· 3 months ago · Jun 18, 2025, 03:35 PM
1// dear imgui, v1.91.9 WIP
2// (drawing and font code)
3
4/*
5
6Index of this file:
7
8// [SECTION] STB libraries implementation
9// [SECTION] Style functions
10// [SECTION] ImDrawList
11// [SECTION] ImTriangulator, ImDrawList concave polygon fill
12// [SECTION] ImDrawListSplitter
13// [SECTION] ImDrawData
14// [SECTION] Helpers ShadeVertsXXX functions
15// [SECTION] ImFontConfig
16// [SECTION] ImFontAtlas
17// [SECTION] ImFontAtlas: glyph ranges helpers
18// [SECTION] ImFontGlyphRangesBuilder
19// [SECTION] ImFont
20// [SECTION] ImGui Internal Render Helpers
21// [SECTION] Decompression code
22// [SECTION] Default font data (ProggyClean.ttf)
23
24*/
25
26#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
27#define _CRT_SECURE_NO_WARNINGS
28#endif
29
30#ifndef IMGUI_DEFINE_MATH_OPERATORS
31#define IMGUI_DEFINE_MATH_OPERATORS
32#endif
33
34#include "imgui.h"
35#ifndef IMGUI_DISABLE
36#include "imgui_internal.h"
37#ifdef IMGUI_ENABLE_FREETYPE
38#include "misc/freetype/imgui_freetype.h"
39#endif
40
41#include <stdio.h> // vsnprintf, sscanf, printf
42
43// Visual Studio warnings
44#ifdef _MSC_VER
45#pragma warning (disable: 4127) // condition expression is constant
46#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
47#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
48#pragma warning (disable: 26451) // [Static Analyzer] Arithmetic overflow : Using operator 'xxx' on a 4 byte value and then casting the result to a 8 byte value. Cast the value to the wider type before calling operator 'xxx' to avoid overflow(io.2).
49#pragma warning (disable: 26812) // [Static Analyzer] The enum type 'xxx' is unscoped. Prefer 'enum class' over 'enum' (Enum.3). [MSVC Static Analyzer)
50#endif
51
52// Clang/GCC warnings with -Weverything
53#if defined(__clang__)
54#if __has_warning("-Wunknown-warning-option")
55#pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx' // not all warnings are known by all Clang versions and they tend to be rename-happy.. so ignoring warnings triggers new warnings on some configuration. Great!
56#endif
57#pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx'
58#pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast // yes, they are more terse.
59#pragma clang diagnostic ignored "-Wfloat-equal" // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
60#pragma clang diagnostic ignored "-Wglobal-constructors" // warning: declaration requires a global destructor // similar to above, not sure what the exact difference is.
61#pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness
62#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning: zero as null pointer constant // some standard header variations use #define NULL 0
63#pragma clang diagnostic ignored "-Wcomma" // warning: possible misuse of comma operator here
64#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning: macro name is a reserved identifier
65#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double.
66#pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision
67#pragma clang diagnostic ignored "-Wreserved-identifier" // warning: identifier '_Xxx' is reserved because it starts with '_' followed by a capital letter
68#pragma clang diagnostic ignored "-Wunsafe-buffer-usage" // warning: 'xxx' is an unsafe pointer used for buffer access
69#pragma clang diagnostic ignored "-Wnontrivial-memaccess" // warning: first argument in call to 'memset' is a pointer to non-trivially copyable type
70#pragma clang diagnostic ignored "-Wcast-qual" // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier
71#elif defined(__GNUC__)
72#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind
73#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
74#pragma GCC diagnostic ignored "-Wfloat-equal" // warning: comparing floating-point with '==' or '!=' is unsafe
75#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
76#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
77#pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer
78#pragma GCC diagnostic ignored "-Wstrict-overflow" // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
79#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
80#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
81#endif
82
83//-------------------------------------------------------------------------
84// [SECTION] STB libraries implementation (for stb_truetype and stb_rect_pack)
85//-------------------------------------------------------------------------
86
87// Compile time options:
88//#define IMGUI_STB_NAMESPACE ImStb
89//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
90//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
91//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
92//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
93
94#ifdef IMGUI_STB_NAMESPACE
95namespace IMGUI_STB_NAMESPACE
96{
97#endif
98
99#ifdef _MSC_VER
100#pragma warning (push)
101#pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
102#pragma warning (disable: 6011) // (stb_rectpack) Dereferencing NULL pointer 'cur->next'.
103#pragma warning (disable: 6385) // (stb_truetype) Reading invalid data from 'buffer': the readable size is '_Old_3`kernel_width' bytes, but '3' bytes may be read.
104#pragma warning (disable: 28182) // (stb_rectpack) Dereferencing NULL pointer. 'cur' contains the same NULL value as 'cur->next' did.
105#endif
106
107#if defined(__clang__)
108#pragma clang diagnostic push
109#pragma clang diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
110#pragma clang diagnostic ignored "-Wmissing-prototypes"
111#pragma clang diagnostic ignored "-Wimplicit-fallthrough"
112#endif
113
114#if defined(__GNUC__)
115#pragma GCC diagnostic push
116#pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
117#pragma GCC diagnostic ignored "-Wimplicit-fallthrough" // warning: this statement may fall through
118#endif
119
120#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
121#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in another compilation unit
122#define STBRP_STATIC
123#define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0)
124#define STBRP_SORT ImQsort
125#define STB_RECT_PACK_IMPLEMENTATION
126#endif
127#ifdef IMGUI_STB_RECT_PACK_FILENAME
128#include IMGUI_STB_RECT_PACK_FILENAME
129#else
130#include "imstb_rectpack.h"
131#endif
132#endif
133
134#ifdef IMGUI_ENABLE_STB_TRUETYPE
135#ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
136#ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in another compilation unit
137#define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x))
138#define STBTT_free(x,u) ((void)(u), IM_FREE(x))
139#define STBTT_assert(x) do { IM_ASSERT(x); } while(0)
140#define STBTT_fmod(x,y) ImFmod(x,y)
141#define STBTT_sqrt(x) ImSqrt(x)
142#define STBTT_pow(x,y) ImPow(x,y)
143#define STBTT_fabs(x) ImFabs(x)
144#define STBTT_ifloor(x) ((int)ImFloor(x))
145#define STBTT_iceil(x) ((int)ImCeil(x))
146#define STBTT_STATIC
147#define STB_TRUETYPE_IMPLEMENTATION
148#else
149#define STBTT_DEF extern
150#endif
151#ifdef IMGUI_STB_TRUETYPE_FILENAME
152#include IMGUI_STB_TRUETYPE_FILENAME
153#else
154#include "imstb_truetype.h"
155#endif
156#endif
157#endif // IMGUI_ENABLE_STB_TRUETYPE
158
159#if defined(__GNUC__)
160#pragma GCC diagnostic pop
161#endif
162
163#if defined(__clang__)
164#pragma clang diagnostic pop
165#endif
166
167#if defined(_MSC_VER)
168#pragma warning (pop)
169#endif
170
171#ifdef IMGUI_STB_NAMESPACE
172} // namespace ImStb
173using namespace IMGUI_STB_NAMESPACE;
174#endif
175
176//-----------------------------------------------------------------------------
177// [SECTION] Style functions
178//-----------------------------------------------------------------------------
179
180void ImGui::StyleColorsDark(ImGuiStyle* dst)
181{
182 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
183 ImVec4* colors = style->Colors;
184
185 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
186 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
187 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
188 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
189 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
190 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
191 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
192 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
193 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
194 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
195 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
196 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
197 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
198 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
199 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
200 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
201 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
202 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
203 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
204 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
205 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
206 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
207 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
208 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
209 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
210 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
211 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
212 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
213 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
214 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
215 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.20f);
216 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
217 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
218 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
219 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
220 colors[ImGuiCol_TabSelected] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
221 colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
222 colors[ImGuiCol_TabDimmed] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
223 colors[ImGuiCol_TabDimmedSelected] = ImLerp(colors[ImGuiCol_TabSelected], colors[ImGuiCol_TitleBg], 0.40f);
224 colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.50f, 0.50f, 0.50f, 0.00f);
225 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
226 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
227 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
228 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
229 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f);
230 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f); // Prefer using Alpha=1.0 here
231 colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f); // Prefer using Alpha=1.0 here
232 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
233 colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f);
234 colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
235 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
236 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
237 colors[ImGuiCol_NavCursor] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
238 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
239 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
240 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
241}
242
243void ImGui::StyleColorsClassic(ImGuiStyle* dst)
244{
245 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
246 ImVec4* colors = style->Colors;
247
248 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
249 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
250 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.85f);
251 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
252 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
253 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
254 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
255 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
256 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
257 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
258 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
259 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
260 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
261 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
262 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
263 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
264 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
265 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
266 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
267 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
268 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
269 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
270 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
271 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
272 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
273 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
274 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
275 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f);
276 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
277 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
278 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f);
279 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
280 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
281 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
282 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
283 colors[ImGuiCol_TabSelected] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
284 colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
285 colors[ImGuiCol_TabDimmed] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
286 colors[ImGuiCol_TabDimmedSelected] = ImLerp(colors[ImGuiCol_TabSelected], colors[ImGuiCol_TitleBg], 0.40f);
287 colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.53f, 0.53f, 0.87f, 0.00f);
288 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
289 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
290 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
291 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
292 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.27f, 0.27f, 0.38f, 1.00f);
293 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.45f, 1.00f); // Prefer using Alpha=1.0 here
294 colors[ImGuiCol_TableBorderLight] = ImVec4(0.26f, 0.26f, 0.28f, 1.00f); // Prefer using Alpha=1.0 here
295 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
296 colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f);
297 colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
298 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
299 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
300 colors[ImGuiCol_NavCursor] = colors[ImGuiCol_HeaderHovered];
301 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
302 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
303 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
304}
305
306// Those light colors are better suited with a thicker font than the default one + FrameBorder
307void ImGui::StyleColorsLight(ImGuiStyle* dst)
308{
309 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
310 ImVec4* colors = style->Colors;
311
312 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
313 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
314 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
315 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
316 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
317 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
318 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
319 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
320 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
321 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
322 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
323 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
324 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
325 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
326 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
327 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
328 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
329 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
330 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
331 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
332 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
333 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
334 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
335 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
336 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
337 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
338 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
339 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f);
340 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
341 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
342 colors[ImGuiCol_ResizeGrip] = ImVec4(0.35f, 0.35f, 0.35f, 0.17f);
343 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
344 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
345 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
346 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f);
347 colors[ImGuiCol_TabSelected] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
348 colors[ImGuiCol_TabSelectedOverline] = colors[ImGuiCol_HeaderActive];
349 colors[ImGuiCol_TabDimmed] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
350 colors[ImGuiCol_TabDimmedSelected] = ImLerp(colors[ImGuiCol_TabSelected], colors[ImGuiCol_TitleBg], 0.40f);
351 colors[ImGuiCol_TabDimmedSelectedOverline] = ImVec4(0.26f, 0.59f, 1.00f, 0.00f);
352 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
353 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
354 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
355 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
356 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.78f, 0.87f, 0.98f, 1.00f);
357 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.57f, 0.57f, 0.64f, 1.00f); // Prefer using Alpha=1.0 here
358 colors[ImGuiCol_TableBorderLight] = ImVec4(0.68f, 0.68f, 0.74f, 1.00f); // Prefer using Alpha=1.0 here
359 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
360 colors[ImGuiCol_TableRowBgAlt] = ImVec4(0.30f, 0.30f, 0.30f, 0.09f);
361 colors[ImGuiCol_TextLink] = colors[ImGuiCol_HeaderActive];
362 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
363 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
364 colors[ImGuiCol_NavCursor] = colors[ImGuiCol_HeaderHovered];
365 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
366 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
367 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
368}
369
370//-----------------------------------------------------------------------------
371// [SECTION] ImDrawList
372//-----------------------------------------------------------------------------
373
374ImDrawListSharedData::ImDrawListSharedData()
375{
376 memset(this, 0, sizeof(*this));
377 InitialFringeScale = 1.0f;
378 for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++)
379 {
380 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx);
381 ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a));
382 }
383 ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
384}
385
386void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error)
387{
388 if (CircleSegmentMaxError == max_error)
389 return;
390
391 IM_ASSERT(max_error > 0.0f);
392 CircleSegmentMaxError = max_error;
393 for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++)
394 {
395 const float radius = (float)i;
396 CircleSegmentCounts[i] = (ImU8)((i > 0) ? IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError) : IM_DRAWLIST_ARCFAST_SAMPLE_MAX);
397 }
398 ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError);
399}
400
401ImDrawList::ImDrawList(ImDrawListSharedData* shared_data)
402{
403 memset(this, 0, sizeof(*this));
404 _Data = shared_data;
405}
406
407ImDrawList::~ImDrawList()
408{
409 _ClearFreeMemory();
410}
411
412// Initialize before use in a new frame. We always have a command ready in the buffer.
413// In the majority of cases, you would want to call PushClipRect() and PushTextureID() after this.
414void ImDrawList::_ResetForNewFrame()
415{
416 // Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory.
417 IM_STATIC_ASSERT(offsetof(ImDrawCmd, ClipRect) == 0);
418 IM_STATIC_ASSERT(offsetof(ImDrawCmd, TextureId) == sizeof(ImVec4));
419 IM_STATIC_ASSERT(offsetof(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID));
420 if (_Splitter._Count > 1)
421 _Splitter.Merge(this);
422
423 CmdBuffer.resize(0);
424 IdxBuffer.resize(0);
425 VtxBuffer.resize(0);
426 Flags = _Data->InitialFlags;
427 memset(&_CmdHeader, 0, sizeof(_CmdHeader));
428 _VtxCurrentIdx = 0;
429 _VtxWritePtr = NULL;
430 _IdxWritePtr = NULL;
431 _ClipRectStack.resize(0);
432 _TextureIdStack.resize(0);
433 _CallbacksDataBuf.resize(0);
434 _Path.resize(0);
435 _Splitter.Clear();
436 CmdBuffer.push_back(ImDrawCmd());
437 _FringeScale = _Data->InitialFringeScale;
438}
439
440void ImDrawList::_ClearFreeMemory()
441{
442 CmdBuffer.clear();
443 IdxBuffer.clear();
444 VtxBuffer.clear();
445 Flags = ImDrawListFlags_None;
446 _VtxCurrentIdx = 0;
447 _VtxWritePtr = NULL;
448 _IdxWritePtr = NULL;
449 _ClipRectStack.clear();
450 _TextureIdStack.clear();
451 _CallbacksDataBuf.clear();
452 _Path.clear();
453 _Splitter.ClearFreeMemory();
454}
455
456ImDrawList* ImDrawList::CloneOutput() const
457{
458 ImDrawList* dst = IM_NEW(ImDrawList(_Data));
459 dst->CmdBuffer = CmdBuffer;
460 dst->IdxBuffer = IdxBuffer;
461 dst->VtxBuffer = VtxBuffer;
462 dst->Flags = Flags;
463 return dst;
464}
465
466void ImDrawList::AddDrawCmd()
467{
468 ImDrawCmd draw_cmd;
469 draw_cmd.ClipRect = _CmdHeader.ClipRect; // Same as calling ImDrawCmd_HeaderCopy()
470 draw_cmd.TextureId = _CmdHeader.TextureId;
471 draw_cmd.VtxOffset = _CmdHeader.VtxOffset;
472 draw_cmd.IdxOffset = IdxBuffer.Size;
473
474 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
475 CmdBuffer.push_back(draw_cmd);
476}
477
478// Pop trailing draw command (used before merging or presenting to user)
479// Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL
480void ImDrawList::_PopUnusedDrawCmd()
481{
482 while (CmdBuffer.Size > 0)
483 {
484 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
485 if (curr_cmd->ElemCount != 0 || curr_cmd->UserCallback != NULL)
486 return;// break;
487 CmdBuffer.pop_back();
488 }
489}
490
491void ImDrawList::AddCallback(ImDrawCallback callback, void* userdata, size_t userdata_size)
492{
493 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
494 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
495 IM_ASSERT(curr_cmd->UserCallback == NULL);
496 if (curr_cmd->ElemCount != 0)
497 {
498 AddDrawCmd();
499 curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
500 }
501
502 curr_cmd->UserCallback = callback;
503 if (userdata_size == 0)
504 {
505 // Store user data directly in command (no indirection)
506 curr_cmd->UserCallbackData = userdata;
507 curr_cmd->UserCallbackDataSize = 0;
508 curr_cmd->UserCallbackDataOffset = -1;
509 }
510 else
511 {
512 // Copy and store user data in a buffer
513 IM_ASSERT(userdata != NULL);
514 IM_ASSERT(userdata_size < (1u << 31));
515 curr_cmd->UserCallbackData = NULL; // Will be resolved during Render()
516 curr_cmd->UserCallbackDataSize = (int)userdata_size;
517 curr_cmd->UserCallbackDataOffset = _CallbacksDataBuf.Size;
518 _CallbacksDataBuf.resize(_CallbacksDataBuf.Size + (int)userdata_size);
519 memcpy(_CallbacksDataBuf.Data + (size_t)curr_cmd->UserCallbackDataOffset, userdata, userdata_size);
520 }
521
522 AddDrawCmd(); // Force a new command after us (see comment below)
523}
524
525// Compare ClipRect, TextureId and VtxOffset with a single memcmp()
526#define ImDrawCmd_HeaderSize (offsetof(ImDrawCmd, VtxOffset) + sizeof(unsigned int))
527#define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TextureId, VtxOffset
528#define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TextureId, VtxOffset
529#define ImDrawCmd_AreSequentialIdxOffset(CMD_0, CMD_1) (CMD_0->IdxOffset + CMD_0->ElemCount == CMD_1->IdxOffset)
530
531// Try to merge two last draw commands
532void ImDrawList::_TryMergeDrawCmds()
533{
534 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
535 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
536 ImDrawCmd* prev_cmd = curr_cmd - 1;
537 if (ImDrawCmd_HeaderCompare(curr_cmd, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && curr_cmd->UserCallback == NULL && prev_cmd->UserCallback == NULL)
538 {
539 prev_cmd->ElemCount += curr_cmd->ElemCount;
540 CmdBuffer.pop_back();
541 }
542}
543
544// Our scheme may appears a bit unusual, basically we want the most-common calls AddLine AddRect etc. to not have to perform any check so we always have a command ready in the stack.
545// The cost of figuring out if a new command has to be added or if we can merge is paid in those Update** functions only.
546void ImDrawList::_OnChangedClipRect()
547{
548 // If current command is used with different settings we need to add a new command
549 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
550 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
551 if (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &_CmdHeader.ClipRect, sizeof(ImVec4)) != 0)
552 {
553 AddDrawCmd();
554 return;
555 }
556 IM_ASSERT(curr_cmd->UserCallback == NULL);
557
558 // Try to merge with previous command if it matches, else use current command
559 ImDrawCmd* prev_cmd = curr_cmd - 1;
560 if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL)
561 {
562 CmdBuffer.pop_back();
563 return;
564 }
565 curr_cmd->ClipRect = _CmdHeader.ClipRect;
566}
567
568void ImDrawList::_OnChangedTextureID()
569{
570 // If current command is used with different settings we need to add a new command
571 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
572 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
573 if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId)
574 {
575 AddDrawCmd();
576 return;
577 }
578 IM_ASSERT(curr_cmd->UserCallback == NULL);
579
580 // Try to merge with previous command if it matches, else use current command
581 ImDrawCmd* prev_cmd = curr_cmd - 1;
582 if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL)
583 {
584 CmdBuffer.pop_back();
585 return;
586 }
587 curr_cmd->TextureId = _CmdHeader.TextureId;
588}
589
590void ImDrawList::_OnChangedVtxOffset()
591{
592 // We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this.
593 _VtxCurrentIdx = 0;
594 IM_ASSERT_PARANOID(CmdBuffer.Size > 0);
595 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
596 //IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349
597 if (curr_cmd->ElemCount != 0)
598 {
599 AddDrawCmd();
600 return;
601 }
602 IM_ASSERT(curr_cmd->UserCallback == NULL);
603 curr_cmd->VtxOffset = _CmdHeader.VtxOffset;
604}
605
606int ImDrawList::_CalcCircleAutoSegmentCount(float radius) const
607{
608 // Automatic segment count
609 const int radius_idx = (int)(radius + 0.999999f); // ceil to never reduce accuracy
610 if (radius_idx >= 0 && radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts))
611 return _Data->CircleSegmentCounts[radius_idx]; // Use cached value
612 else
613 return IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError);
614}
615
616// Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling)
617void ImDrawList::PushClipRect(const ImVec2& cr_min, const ImVec2& cr_max, bool intersect_with_current_clip_rect)
618{
619 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
620 if (intersect_with_current_clip_rect)
621 {
622 ImVec4 current = _CmdHeader.ClipRect;
623 if (cr.x < current.x) cr.x = current.x;
624 if (cr.y < current.y) cr.y = current.y;
625 if (cr.z > current.z) cr.z = current.z;
626 if (cr.w > current.w) cr.w = current.w;
627 }
628 cr.z = ImMax(cr.x, cr.z);
629 cr.w = ImMax(cr.y, cr.w);
630
631 _ClipRectStack.push_back(cr);
632 _CmdHeader.ClipRect = cr;
633 _OnChangedClipRect();
634}
635
636void ImDrawList::PushClipRectFullScreen()
637{
638 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
639}
640
641void ImDrawList::PopClipRect()
642{
643 _ClipRectStack.pop_back();
644 _CmdHeader.ClipRect = (_ClipRectStack.Size == 0) ? _Data->ClipRectFullscreen : _ClipRectStack.Data[_ClipRectStack.Size - 1];
645 _OnChangedClipRect();
646}
647
648void ImDrawList::PushTextureID(ImTextureID texture_id)
649{
650 _TextureIdStack.push_back(texture_id);
651 _CmdHeader.TextureId = texture_id;
652 _OnChangedTextureID();
653}
654
655void ImDrawList::PopTextureID()
656{
657 _TextureIdStack.pop_back();
658 _CmdHeader.TextureId = (_TextureIdStack.Size == 0) ? (ImTextureID)NULL : _TextureIdStack.Data[_TextureIdStack.Size - 1];
659 _OnChangedTextureID();
660}
661
662// This is used by ImGui::PushFont()/PopFont(). It works because we never use _TextureIdStack[] elsewhere than in PushTextureID()/PopTextureID().
663void ImDrawList::_SetTextureID(ImTextureID texture_id)
664{
665 if (_CmdHeader.TextureId == texture_id)
666 return;
667 _CmdHeader.TextureId = texture_id;
668 _OnChangedTextureID();
669}
670
671// Reserve space for a number of vertices and indices.
672// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or
673// submit the intermediate results. PrimUnreserve() can be used to release unused allocations.
674void ImDrawList::PrimReserve(int idx_count, int vtx_count)
675{
676 // Large mesh support (when enabled)
677 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
678 if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset))
679 {
680 // FIXME: In theory we should be testing that vtx_count <64k here.
681 // In practice, RenderText() relies on reserving ahead for a worst case scenario so it is currently useful for us
682 // to not make that check until we rework the text functions to handle clipping and large horizontal lines better.
683 _CmdHeader.VtxOffset = VtxBuffer.Size;
684 _OnChangedVtxOffset();
685 }
686
687 ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
688 draw_cmd->ElemCount += idx_count;
689
690 int vtx_buffer_old_size = VtxBuffer.Size;
691 VtxBuffer.resize(vtx_buffer_old_size + vtx_count);
692 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
693
694 int idx_buffer_old_size = IdxBuffer.Size;
695 IdxBuffer.resize(idx_buffer_old_size + idx_count);
696 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
697}
698
699// Release the number of reserved vertices/indices from the end of the last reservation made with PrimReserve().
700void ImDrawList::PrimUnreserve(int idx_count, int vtx_count)
701{
702 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
703
704 ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1];
705 draw_cmd->ElemCount -= idx_count;
706 VtxBuffer.shrink(VtxBuffer.Size - vtx_count);
707 IdxBuffer.shrink(IdxBuffer.Size - idx_count);
708}
709
710// Fully unrolled with inline call to keep our debug builds decently fast.
711void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
712{
713 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
714 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
715 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
716 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
717 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
718 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
719 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
720 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
721 _VtxWritePtr += 4;
722 _VtxCurrentIdx += 4;
723 _IdxWritePtr += 6;
724}
725
726void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
727{
728 ImVec2 b(c.x, a.y), d(a.x, c.y), uv_b(uv_c.x, uv_a.y), uv_d(uv_a.x, uv_c.y);
729 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
730 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
731 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
732 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
733 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
734 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
735 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
736 _VtxWritePtr += 4;
737 _VtxCurrentIdx += 4;
738 _IdxWritePtr += 6;
739}
740
741void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col)
742{
743 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
744 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
745 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
746 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
747 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
748 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
749 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
750 _VtxWritePtr += 4;
751 _VtxCurrentIdx += 4;
752 _IdxWritePtr += 6;
753}
754
755// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superfluous function calls to optimize debug/non-inlined builds.
756// - Those macros expects l-values and need to be used as their own statement.
757// - Those macros are intentionally not surrounded by the 'do {} while (0)' idiom because even that translates to runtime with debug compilers.
758#define IM_NORMALIZE2F_OVER_ZERO(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = ImRsqrt(d2); VX *= inv_len; VY *= inv_len; } } (void)0
759#define IM_FIXNORMAL2F_MAX_INVLEN2 100.0f // 500.0f (see #4053, #3366)
760#define IM_FIXNORMAL2F(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.000001f) { float inv_len2 = 1.0f / d2; if (inv_len2 > IM_FIXNORMAL2F_MAX_INVLEN2) inv_len2 = IM_FIXNORMAL2F_MAX_INVLEN2; VX *= inv_len2; VY *= inv_len2; } } (void)0
761
762// TODO: Thickness anti-aliased lines cap are missing their AA fringe.
763// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds.
764void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, ImDrawFlags flags, float thickness)
765{
766 if (points_count < 2 || (col & IM_COL32_A_MASK) == 0)
767 return;
768
769 const bool closed = (flags & ImDrawFlags_Closed) != 0;
770 const ImVec2 opaque_uv = _Data->TexUvWhitePixel;
771 const int count = closed ? points_count : points_count - 1; // The number of line segments we need to draw
772 const bool thick_line = (thickness > _FringeScale);
773
774 if (Flags & ImDrawListFlags_AntiAliasedLines)
775 {
776 // Anti-aliased stroke
777 const float AA_SIZE = _FringeScale;
778 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
779
780 // Thicknesses <1.0 should behave like thickness 1.0
781 thickness = ImMax(thickness, 1.0f);
782 const int integer_thickness = (int)thickness;
783 const float fractional_thickness = thickness - integer_thickness;
784
785 // Do we want to draw this line using a texture?
786 // - For now, only draw integer-width lines using textures to avoid issues with the way scaling occurs, could be improved.
787 // - If AA_SIZE is not 1.0f we cannot use the texture path.
788 const bool use_texture = (Flags & ImDrawListFlags_AntiAliasedLinesUseTex) && (integer_thickness < IM_DRAWLIST_TEX_LINES_WIDTH_MAX) && (fractional_thickness <= 0.00001f) && (AA_SIZE == 1.0f);
789
790 // We should never hit this, because NewFrame() doesn't set ImDrawListFlags_AntiAliasedLinesUseTex unless ImFontAtlasFlags_NoBakedLines is off
791 IM_ASSERT_PARANOID(!use_texture || !(_Data->Font->ContainerAtlas->Flags & ImFontAtlasFlags_NoBakedLines));
792
793 const int idx_count = use_texture ? (count * 6) : (thick_line ? count * 18 : count * 12);
794 const int vtx_count = use_texture ? (points_count * 2) : (thick_line ? points_count * 4 : points_count * 3);
795 PrimReserve(idx_count, vtx_count);
796
797 // Temporary buffer
798 // The first <points_count> items are normals at each line point, then after that there are either 2 or 4 temp points for each line point
799 _Data->TempBuffer.reserve_discard(points_count * ((use_texture || !thick_line) ? 3 : 5));
800 ImVec2* temp_normals = _Data->TempBuffer.Data;
801 ImVec2* temp_points = temp_normals + points_count;
802
803 // Calculate normals (tangents) for each line segment
804 for (int i1 = 0; i1 < count; i1++)
805 {
806 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1;
807 float dx = points[i2].x - points[i1].x;
808 float dy = points[i2].y - points[i1].y;
809 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
810 temp_normals[i1].x = dy;
811 temp_normals[i1].y = -dx;
812 }
813 if (!closed)
814 temp_normals[points_count - 1] = temp_normals[points_count - 2];
815
816 // If we are drawing a one-pixel-wide line without a texture, or a textured line of any width, we only need 2 or 3 vertices per point
817 if (use_texture || !thick_line)
818 {
819 // [PATH 1] Texture-based lines (thick or non-thick)
820 // [PATH 2] Non texture-based lines (non-thick)
821
822 // The width of the geometry we need to draw - this is essentially <thickness> pixels for the line itself, plus "one pixel" for AA.
823 // - In the texture-based path, we don't use AA_SIZE here because the +1 is tied to the generated texture
824 // (see ImFontAtlasBuildRenderLinesTexData() function), and so alternate values won't work without changes to that code.
825 // - In the non texture-based paths, we would allow AA_SIZE to potentially be != 1.0f with a patch (e.g. fringe_scale patch to
826 // allow scaling geometry while preserving one-screen-pixel AA fringe).
827 const float half_draw_size = use_texture ? ((thickness * 0.5f) + 1) : AA_SIZE;
828
829 // If line is not closed, the first and last points need to be generated differently as there are no normals to blend
830 if (!closed)
831 {
832 temp_points[0] = points[0] + temp_normals[0] * half_draw_size;
833 temp_points[1] = points[0] - temp_normals[0] * half_draw_size;
834 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * half_draw_size;
835 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * half_draw_size;
836 }
837
838 // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges
839 // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps)
840 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
841 unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment
842 for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment
843 {
844 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; // i2 is the second point of the line segment
845 const unsigned int idx2 = ((i1 + 1) == points_count) ? _VtxCurrentIdx : (idx1 + (use_texture ? 2 : 3)); // Vertex index for end of segment
846
847 // Average normals
848 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
849 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
850 IM_FIXNORMAL2F(dm_x, dm_y);
851 dm_x *= half_draw_size; // dm_x, dm_y are offset to the outer edge of the AA area
852 dm_y *= half_draw_size;
853
854 // Add temporary vertexes for the outer edges
855 ImVec2* out_vtx = &temp_points[i2 * 2];
856 out_vtx[0].x = points[i2].x + dm_x;
857 out_vtx[0].y = points[i2].y + dm_y;
858 out_vtx[1].x = points[i2].x - dm_x;
859 out_vtx[1].y = points[i2].y - dm_y;
860
861 if (use_texture)
862 {
863 // Add indices for two triangles
864 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 1); // Right tri
865 _IdxWritePtr[3] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[4] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Left tri
866 _IdxWritePtr += 6;
867 }
868 else
869 {
870 // Add indexes for four triangles
871 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); // Right tri 1
872 _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Right tri 2
873 _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); // Left tri 1
874 _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); // Left tri 2
875 _IdxWritePtr += 12;
876 }
877
878 idx1 = idx2;
879 }
880
881 // Add vertexes for each point on the line
882 if (use_texture)
883 {
884 // If we're using textures we only need to emit the left/right edge vertices
885 ImVec4 tex_uvs = _Data->TexUvLines[integer_thickness];
886 /*if (fractional_thickness != 0.0f) // Currently always zero when use_texture==false!
887 {
888 const ImVec4 tex_uvs_1 = _Data->TexUvLines[integer_thickness + 1];
889 tex_uvs.x = tex_uvs.x + (tex_uvs_1.x - tex_uvs.x) * fractional_thickness; // inlined ImLerp()
890 tex_uvs.y = tex_uvs.y + (tex_uvs_1.y - tex_uvs.y) * fractional_thickness;
891 tex_uvs.z = tex_uvs.z + (tex_uvs_1.z - tex_uvs.z) * fractional_thickness;
892 tex_uvs.w = tex_uvs.w + (tex_uvs_1.w - tex_uvs.w) * fractional_thickness;
893 }*/
894 ImVec2 tex_uv0(tex_uvs.x, tex_uvs.y);
895 ImVec2 tex_uv1(tex_uvs.z, tex_uvs.w);
896 for (int i = 0; i < points_count; i++)
897 {
898 _VtxWritePtr[0].pos = temp_points[i * 2 + 0]; _VtxWritePtr[0].uv = tex_uv0; _VtxWritePtr[0].col = col; // Left-side outer edge
899 _VtxWritePtr[1].pos = temp_points[i * 2 + 1]; _VtxWritePtr[1].uv = tex_uv1; _VtxWritePtr[1].col = col; // Right-side outer edge
900 _VtxWritePtr += 2;
901 }
902 }
903 else
904 {
905 // If we're not using a texture, we need the center vertex as well
906 for (int i = 0; i < points_count; i++)
907 {
908 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; // Center of line
909 _VtxWritePtr[1].pos = temp_points[i * 2 + 0]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col_trans; // Left-side outer edge
910 _VtxWritePtr[2].pos = temp_points[i * 2 + 1]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col_trans; // Right-side outer edge
911 _VtxWritePtr += 3;
912 }
913 }
914 }
915 else
916 {
917 // [PATH 2] Non texture-based lines (thick): we need to draw the solid line core and thus require four vertices per point
918 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
919
920 // If line is not closed, the first and last points need to be generated differently as there are no normals to blend
921 if (!closed)
922 {
923 const int points_last = points_count - 1;
924 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
925 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
926 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
927 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
928 temp_points[points_last * 4 + 0] = points[points_last] + temp_normals[points_last] * (half_inner_thickness + AA_SIZE);
929 temp_points[points_last * 4 + 1] = points[points_last] + temp_normals[points_last] * (half_inner_thickness);
930 temp_points[points_last * 4 + 2] = points[points_last] - temp_normals[points_last] * (half_inner_thickness);
931 temp_points[points_last * 4 + 3] = points[points_last] - temp_normals[points_last] * (half_inner_thickness + AA_SIZE);
932 }
933
934 // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges
935 // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps)
936 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
937 unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment
938 for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment
939 {
940 const int i2 = (i1 + 1) == points_count ? 0 : (i1 + 1); // i2 is the second point of the line segment
941 const unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : (idx1 + 4); // Vertex index for end of segment
942
943 // Average normals
944 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
945 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
946 IM_FIXNORMAL2F(dm_x, dm_y);
947 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
948 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
949 float dm_in_x = dm_x * half_inner_thickness;
950 float dm_in_y = dm_y * half_inner_thickness;
951
952 // Add temporary vertices
953 ImVec2* out_vtx = &temp_points[i2 * 4];
954 out_vtx[0].x = points[i2].x + dm_out_x;
955 out_vtx[0].y = points[i2].y + dm_out_y;
956 out_vtx[1].x = points[i2].x + dm_in_x;
957 out_vtx[1].y = points[i2].y + dm_in_y;
958 out_vtx[2].x = points[i2].x - dm_in_x;
959 out_vtx[2].y = points[i2].y - dm_in_y;
960 out_vtx[3].x = points[i2].x - dm_out_x;
961 out_vtx[3].y = points[i2].y - dm_out_y;
962
963 // Add indexes
964 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2);
965 _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 1);
966 _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0);
967 _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1);
968 _IdxWritePtr[12] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[13] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[14] = (ImDrawIdx)(idx1 + 3);
969 _IdxWritePtr[15] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[16] = (ImDrawIdx)(idx2 + 3); _IdxWritePtr[17] = (ImDrawIdx)(idx2 + 2);
970 _IdxWritePtr += 18;
971
972 idx1 = idx2;
973 }
974
975 // Add vertices
976 for (int i = 0; i < points_count; i++)
977 {
978 _VtxWritePtr[0].pos = temp_points[i * 4 + 0]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col_trans;
979 _VtxWritePtr[1].pos = temp_points[i * 4 + 1]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col;
980 _VtxWritePtr[2].pos = temp_points[i * 4 + 2]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col;
981 _VtxWritePtr[3].pos = temp_points[i * 4 + 3]; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col_trans;
982 _VtxWritePtr += 4;
983 }
984 }
985 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
986 }
987 else
988 {
989 // [PATH 4] Non texture-based, Non anti-aliased lines
990 const int idx_count = count * 6;
991 const int vtx_count = count * 4; // FIXME-OPT: Not sharing edges
992 PrimReserve(idx_count, vtx_count);
993
994 for (int i1 = 0; i1 < count; i1++)
995 {
996 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1;
997 const ImVec2& p1 = points[i1];
998 const ImVec2& p2 = points[i2];
999
1000 float dx = p2.x - p1.x;
1001 float dy = p2.y - p1.y;
1002 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
1003 dx *= (thickness * 0.5f);
1004 dy *= (thickness * 0.5f);
1005
1006 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col;
1007 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col;
1008 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col;
1009 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col;
1010 _VtxWritePtr += 4;
1011
1012 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + 2);
1013 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx + 3);
1014 _IdxWritePtr += 6;
1015 _VtxCurrentIdx += 4;
1016 }
1017 }
1018}
1019
1020// - We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.
1021// - Filled shapes must always use clockwise winding order. The anti-aliasing fringe depends on it. Counter-clockwise shapes will have "inward" anti-aliasing.
1022void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
1023{
1024 if (points_count < 3 || (col & IM_COL32_A_MASK) == 0)
1025 return;
1026
1027 const ImVec2 uv = _Data->TexUvWhitePixel;
1028
1029 if (Flags & ImDrawListFlags_AntiAliasedFill)
1030 {
1031 // Anti-aliased Fill
1032 const float AA_SIZE = _FringeScale;
1033 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
1034 const int idx_count = (points_count - 2)*3 + points_count * 6;
1035 const int vtx_count = (points_count * 2);
1036 PrimReserve(idx_count, vtx_count);
1037
1038 // Add indexes for fill
1039 unsigned int vtx_inner_idx = _VtxCurrentIdx;
1040 unsigned int vtx_outer_idx = _VtxCurrentIdx + 1;
1041 for (int i = 2; i < points_count; i++)
1042 {
1043 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + ((i - 1) << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (i << 1));
1044 _IdxWritePtr += 3;
1045 }
1046
1047 // Compute normals
1048 _Data->TempBuffer.reserve_discard(points_count);
1049 ImVec2* temp_normals = _Data->TempBuffer.Data;
1050 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1051 {
1052 const ImVec2& p0 = points[i0];
1053 const ImVec2& p1 = points[i1];
1054 float dx = p1.x - p0.x;
1055 float dy = p1.y - p0.y;
1056 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
1057 temp_normals[i0].x = dy;
1058 temp_normals[i0].y = -dx;
1059 }
1060
1061 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
1062 {
1063 // Average normals
1064 const ImVec2& n0 = temp_normals[i0];
1065 const ImVec2& n1 = temp_normals[i1];
1066 float dm_x = (n0.x + n1.x) * 0.5f;
1067 float dm_y = (n0.y + n1.y) * 0.5f;
1068 IM_FIXNORMAL2F(dm_x, dm_y);
1069 dm_x *= AA_SIZE * 0.5f;
1070 dm_y *= AA_SIZE * 0.5f;
1071
1072 // Add vertices
1073 _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
1074 _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
1075 _VtxWritePtr += 2;
1076
1077 // Add indexes for fringes
1078 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1));
1079 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1));
1080 _IdxWritePtr += 6;
1081 }
1082 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
1083 }
1084 else
1085 {
1086 // Non Anti-aliased Fill
1087 const int idx_count = (points_count - 2)*3;
1088 const int vtx_count = points_count;
1089 PrimReserve(idx_count, vtx_count);
1090 for (int i = 0; i < vtx_count; i++)
1091 {
1092 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
1093 _VtxWritePtr++;
1094 }
1095 for (int i = 2; i < points_count; i++)
1096 {
1097 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + i - 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + i);
1098 _IdxWritePtr += 3;
1099 }
1100 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
1101 }
1102}
1103
1104void ImDrawList::_PathArcToFastEx(const ImVec2& center, float radius, int a_min_sample, int a_max_sample, int a_step)
1105{
1106 if (radius < 0.5f)
1107 {
1108 _Path.push_back(center);
1109 return;
1110 }
1111
1112 // Calculate arc auto segment step size
1113 if (a_step <= 0)
1114 a_step = IM_DRAWLIST_ARCFAST_SAMPLE_MAX / _CalcCircleAutoSegmentCount(radius);
1115
1116 // Make sure we never do steps larger than one quarter of the circle
1117 a_step = ImClamp(a_step, 1, IM_DRAWLIST_ARCFAST_TABLE_SIZE / 4);
1118
1119 const int sample_range = ImAbs(a_max_sample - a_min_sample);
1120 const int a_next_step = a_step;
1121
1122 int samples = sample_range + 1;
1123 bool extra_max_sample = false;
1124 if (a_step > 1)
1125 {
1126 samples = sample_range / a_step + 1;
1127 const int overstep = sample_range % a_step;
1128
1129 if (overstep > 0)
1130 {
1131 extra_max_sample = true;
1132 samples++;
1133
1134 // When we have overstep to avoid awkwardly looking one long line and one tiny one at the end,
1135 // distribute first step range evenly between them by reducing first step size.
1136 if (sample_range > 0)
1137 a_step -= (a_step - overstep) / 2;
1138 }
1139 }
1140
1141 _Path.resize(_Path.Size + samples);
1142 ImVec2* out_ptr = _Path.Data + (_Path.Size - samples);
1143
1144 int sample_index = a_min_sample;
1145 if (sample_index < 0 || sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX)
1146 {
1147 sample_index = sample_index % IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1148 if (sample_index < 0)
1149 sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1150 }
1151
1152 if (a_max_sample >= a_min_sample)
1153 {
1154 for (int a = a_min_sample; a <= a_max_sample; a += a_step, sample_index += a_step, a_step = a_next_step)
1155 {
1156 // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more
1157 if (sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX)
1158 sample_index -= IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1159
1160 const ImVec2 s = _Data->ArcFastVtx[sample_index];
1161 out_ptr->x = center.x + s.x * radius;
1162 out_ptr->y = center.y + s.y * radius;
1163 out_ptr++;
1164 }
1165 }
1166 else
1167 {
1168 for (int a = a_min_sample; a >= a_max_sample; a -= a_step, sample_index -= a_step, a_step = a_next_step)
1169 {
1170 // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more
1171 if (sample_index < 0)
1172 sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1173
1174 const ImVec2 s = _Data->ArcFastVtx[sample_index];
1175 out_ptr->x = center.x + s.x * radius;
1176 out_ptr->y = center.y + s.y * radius;
1177 out_ptr++;
1178 }
1179 }
1180
1181 if (extra_max_sample)
1182 {
1183 int normalized_max_sample = a_max_sample % IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1184 if (normalized_max_sample < 0)
1185 normalized_max_sample += IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1186
1187 const ImVec2 s = _Data->ArcFastVtx[normalized_max_sample];
1188 out_ptr->x = center.x + s.x * radius;
1189 out_ptr->y = center.y + s.y * radius;
1190 out_ptr++;
1191 }
1192
1193 IM_ASSERT_PARANOID(_Path.Data + _Path.Size == out_ptr);
1194}
1195
1196void ImDrawList::_PathArcToN(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
1197{
1198 if (radius < 0.5f)
1199 {
1200 _Path.push_back(center);
1201 return;
1202 }
1203
1204 // Note that we are adding a point at both a_min and a_max.
1205 // If you are trying to draw a full closed circle you don't want the overlapping points!
1206 _Path.reserve(_Path.Size + (num_segments + 1));
1207 for (int i = 0; i <= num_segments; i++)
1208 {
1209 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
1210 _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius));
1211 }
1212}
1213
1214// 0: East, 3: South, 6: West, 9: North, 12: East
1215void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12)
1216{
1217 if (radius < 0.5f)
1218 {
1219 _Path.push_back(center);
1220 return;
1221 }
1222 _PathArcToFastEx(center, radius, a_min_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, a_max_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, 0);
1223}
1224
1225void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
1226{
1227 if (radius < 0.5f)
1228 {
1229 _Path.push_back(center);
1230 return;
1231 }
1232
1233 if (num_segments > 0)
1234 {
1235 _PathArcToN(center, radius, a_min, a_max, num_segments);
1236 return;
1237 }
1238
1239 // Automatic segment count
1240 if (radius <= _Data->ArcFastRadiusCutoff)
1241 {
1242 const bool a_is_reverse = a_max < a_min;
1243
1244 // We are going to use precomputed values for mid samples.
1245 // Determine first and last sample in lookup table that belong to the arc.
1246 const float a_min_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_min / (IM_PI * 2.0f);
1247 const float a_max_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_max / (IM_PI * 2.0f);
1248
1249 const int a_min_sample = a_is_reverse ? (int)ImFloor(a_min_sample_f) : (int)ImCeil(a_min_sample_f);
1250 const int a_max_sample = a_is_reverse ? (int)ImCeil(a_max_sample_f) : (int)ImFloor(a_max_sample_f);
1251 const int a_mid_samples = a_is_reverse ? ImMax(a_min_sample - a_max_sample, 0) : ImMax(a_max_sample - a_min_sample, 0);
1252
1253 const float a_min_segment_angle = a_min_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1254 const float a_max_segment_angle = a_max_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX;
1255 const bool a_emit_start = ImAbs(a_min_segment_angle - a_min) >= 1e-5f;
1256 const bool a_emit_end = ImAbs(a_max - a_max_segment_angle) >= 1e-5f;
1257
1258 _Path.reserve(_Path.Size + (a_mid_samples + 1 + (a_emit_start ? 1 : 0) + (a_emit_end ? 1 : 0)));
1259 if (a_emit_start)
1260 _Path.push_back(ImVec2(center.x + ImCos(a_min) * radius, center.y + ImSin(a_min) * radius));
1261 if (a_mid_samples > 0)
1262 _PathArcToFastEx(center, radius, a_min_sample, a_max_sample, 0);
1263 if (a_emit_end)
1264 _Path.push_back(ImVec2(center.x + ImCos(a_max) * radius, center.y + ImSin(a_max) * radius));
1265 }
1266 else
1267 {
1268 const float arc_length = ImAbs(a_max - a_min);
1269 const int circle_segment_count = _CalcCircleAutoSegmentCount(radius);
1270 const int arc_segment_count = ImMax((int)ImCeil(circle_segment_count * arc_length / (IM_PI * 2.0f)), (int)(2.0f * IM_PI / arc_length));
1271 _PathArcToN(center, radius, a_min, a_max, arc_segment_count);
1272 }
1273}
1274
1275void ImDrawList::PathEllipticalArcTo(const ImVec2& center, const ImVec2& radius, float rot, float a_min, float a_max, int num_segments)
1276{
1277 if (num_segments <= 0)
1278 num_segments = _CalcCircleAutoSegmentCount(ImMax(radius.x, radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1279
1280 _Path.reserve(_Path.Size + (num_segments + 1));
1281
1282 const float cos_rot = ImCos(rot);
1283 const float sin_rot = ImSin(rot);
1284 for (int i = 0; i <= num_segments; i++)
1285 {
1286 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
1287 ImVec2 point(ImCos(a) * radius.x, ImSin(a) * radius.y);
1288 const ImVec2 rel((point.x * cos_rot) - (point.y * sin_rot), (point.x * sin_rot) + (point.y * cos_rot));
1289 point.x = rel.x + center.x;
1290 point.y = rel.y + center.y;
1291 _Path.push_back(point);
1292 }
1293}
1294
1295ImVec2 ImBezierCubicCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t)
1296{
1297 float u = 1.0f - t;
1298 float w1 = u * u * u;
1299 float w2 = 3 * u * u * t;
1300 float w3 = 3 * u * t * t;
1301 float w4 = t * t * t;
1302 return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x, w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y);
1303}
1304
1305ImVec2 ImBezierQuadraticCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, float t)
1306{
1307 float u = 1.0f - t;
1308 float w1 = u * u;
1309 float w2 = 2 * u * t;
1310 float w3 = t * t;
1311 return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x, w1 * p1.y + w2 * p2.y + w3 * p3.y);
1312}
1313
1314// Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp
1315static void PathBezierCubicCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level)
1316{
1317 float dx = x4 - x1;
1318 float dy = y4 - y1;
1319 float d2 = (x2 - x4) * dy - (y2 - y4) * dx;
1320 float d3 = (x3 - x4) * dy - (y3 - y4) * dx;
1321 d2 = (d2 >= 0) ? d2 : -d2;
1322 d3 = (d3 >= 0) ? d3 : -d3;
1323 if ((d2 + d3) * (d2 + d3) < tess_tol * (dx * dx + dy * dy))
1324 {
1325 path->push_back(ImVec2(x4, y4));
1326 }
1327 else if (level < 10)
1328 {
1329 float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f;
1330 float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f;
1331 float x34 = (x3 + x4) * 0.5f, y34 = (y3 + y4) * 0.5f;
1332 float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f;
1333 float x234 = (x23 + x34) * 0.5f, y234 = (y23 + y34) * 0.5f;
1334 float x1234 = (x123 + x234) * 0.5f, y1234 = (y123 + y234) * 0.5f;
1335 PathBezierCubicCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, x1234, y1234, tess_tol, level + 1);
1336 PathBezierCubicCurveToCasteljau(path, x1234, y1234, x234, y234, x34, y34, x4, y4, tess_tol, level + 1);
1337 }
1338}
1339
1340static void PathBezierQuadraticCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float tess_tol, int level)
1341{
1342 float dx = x3 - x1, dy = y3 - y1;
1343 float det = (x2 - x3) * dy - (y2 - y3) * dx;
1344 if (det * det * 4.0f < tess_tol * (dx * dx + dy * dy))
1345 {
1346 path->push_back(ImVec2(x3, y3));
1347 }
1348 else if (level < 10)
1349 {
1350 float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f;
1351 float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f;
1352 float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f;
1353 PathBezierQuadraticCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, tess_tol, level + 1);
1354 PathBezierQuadraticCurveToCasteljau(path, x123, y123, x23, y23, x3, y3, tess_tol, level + 1);
1355 }
1356}
1357
1358void ImDrawList::PathBezierCubicCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
1359{
1360 ImVec2 p1 = _Path.back();
1361 if (num_segments == 0)
1362 {
1363 IM_ASSERT(_Data->CurveTessellationTol > 0.0f);
1364 PathBezierCubicCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated
1365 }
1366 else
1367 {
1368 float t_step = 1.0f / (float)num_segments;
1369 for (int i_step = 1; i_step <= num_segments; i_step++)
1370 _Path.push_back(ImBezierCubicCalc(p1, p2, p3, p4, t_step * i_step));
1371 }
1372}
1373
1374void ImDrawList::PathBezierQuadraticCurveTo(const ImVec2& p2, const ImVec2& p3, int num_segments)
1375{
1376 ImVec2 p1 = _Path.back();
1377 if (num_segments == 0)
1378 {
1379 IM_ASSERT(_Data->CurveTessellationTol > 0.0f);
1380 PathBezierQuadraticCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, _Data->CurveTessellationTol, 0);// Auto-tessellated
1381 }
1382 else
1383 {
1384 float t_step = 1.0f / (float)num_segments;
1385 for (int i_step = 1; i_step <= num_segments; i_step++)
1386 _Path.push_back(ImBezierQuadraticCalc(p1, p2, p3, t_step * i_step));
1387 }
1388}
1389
1390static inline ImDrawFlags FixRectCornerFlags(ImDrawFlags flags)
1391{
1392 /*
1393 IM_STATIC_ASSERT(ImDrawFlags_RoundCornersTopLeft == (1 << 4));
1394#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
1395 // Obsoleted in 1.82 (from February 2021). This code was stripped/simplified and mostly commented in 1.90 (from September 2023)
1396 // - Legacy Support for hard coded ~0 (used to be a suggested equivalent to ImDrawCornerFlags_All)
1397 if (flags == ~0) { return ImDrawFlags_RoundCornersAll; }
1398 // - Legacy Support for hard coded 0x01 to 0x0F (matching 15 out of 16 old flags combinations). Read details in older version of this code.
1399 if (flags >= 0x01 && flags <= 0x0F) { return (flags << 4); }
1400 // We cannot support hard coded 0x00 with 'float rounding > 0.0f' --> replace with ImDrawFlags_RoundCornersNone or use 'float rounding = 0.0f'
1401#endif
1402 */
1403 // If this assert triggers, please update your code replacing hardcoded values with new ImDrawFlags_RoundCorners* values.
1404 // Note that ImDrawFlags_Closed (== 0x01) is an invalid flag for AddRect(), AddRectFilled(), PathRect() etc. anyway.
1405 // See details in 1.82 Changelog as well as 2021/03/12 and 2023/09/08 entries in "API BREAKING CHANGES" section.
1406 IM_ASSERT((flags & 0x0F) == 0 && "Misuse of legacy hardcoded ImDrawCornerFlags values!");
1407
1408 if ((flags & ImDrawFlags_RoundCornersMask_) == 0)
1409 flags |= ImDrawFlags_RoundCornersAll;
1410
1411 return flags;
1412}
1413
1414void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawFlags flags)
1415{
1416 if (rounding >= 0.5f)
1417 {
1418 flags = FixRectCornerFlags(flags);
1419 rounding = ImMin(rounding, ImFabs(b.x - a.x) * (((flags & ImDrawFlags_RoundCornersTop) == ImDrawFlags_RoundCornersTop) || ((flags & ImDrawFlags_RoundCornersBottom) == ImDrawFlags_RoundCornersBottom) ? 0.5f : 1.0f) - 1.0f);
1420 rounding = ImMin(rounding, ImFabs(b.y - a.y) * (((flags & ImDrawFlags_RoundCornersLeft) == ImDrawFlags_RoundCornersLeft) || ((flags & ImDrawFlags_RoundCornersRight) == ImDrawFlags_RoundCornersRight) ? 0.5f : 1.0f) - 1.0f);
1421 }
1422 if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1423 {
1424 PathLineTo(a);
1425 PathLineTo(ImVec2(b.x, a.y));
1426 PathLineTo(b);
1427 PathLineTo(ImVec2(a.x, b.y));
1428 }
1429 else
1430 {
1431 const float rounding_tl = (flags & ImDrawFlags_RoundCornersTopLeft) ? rounding : 0.0f;
1432 const float rounding_tr = (flags & ImDrawFlags_RoundCornersTopRight) ? rounding : 0.0f;
1433 const float rounding_br = (flags & ImDrawFlags_RoundCornersBottomRight) ? rounding : 0.0f;
1434 const float rounding_bl = (flags & ImDrawFlags_RoundCornersBottomLeft) ? rounding : 0.0f;
1435 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9);
1436 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12);
1437 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3);
1438 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6);
1439 }
1440}
1441
1442void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness)
1443{
1444 if ((col & IM_COL32_A_MASK) == 0)
1445 return;
1446 PathLineTo(p1 + ImVec2(0.5f, 0.5f));
1447 PathLineTo(p2 + ImVec2(0.5f, 0.5f));
1448 PathStroke(col, 0, thickness);
1449}
1450
1451// p_min = upper-left, p_max = lower-right
1452// Note we don't render 1 pixels sized rectangles properly.
1453void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags, float thickness)
1454{
1455 if ((col & IM_COL32_A_MASK) == 0)
1456 return;
1457 if (Flags & ImDrawListFlags_AntiAliasedLines)
1458 PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.50f, 0.50f), rounding, flags);
1459 else
1460 PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.49f, 0.49f), rounding, flags); // Better looking lower-right corner and rounded non-AA shapes.
1461 PathStroke(col, ImDrawFlags_Closed, thickness);
1462}
1463
1464void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags)
1465{
1466 if ((col & IM_COL32_A_MASK) == 0)
1467 return;
1468 if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1469 {
1470 PrimReserve(6, 4);
1471 PrimRect(p_min, p_max, col);
1472 }
1473 else
1474 {
1475 PathRect(p_min, p_max, rounding, flags);
1476 PathFillConvex(col);
1477 }
1478}
1479
1480// p_min = upper-left, p_max = lower-right
1481void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
1482{
1483 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1484 return;
1485
1486 const ImVec2 uv = _Data->TexUvWhitePixel;
1487 PrimReserve(6, 4);
1488 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2));
1489 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 3));
1490 PrimWriteVtx(p_min, uv, col_upr_left);
1491 PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right);
1492 PrimWriteVtx(p_max, uv, col_bot_right);
1493 PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left);
1494}
1495
1496void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness)
1497{
1498 if ((col & IM_COL32_A_MASK) == 0)
1499 return;
1500
1501 PathLineTo(p1);
1502 PathLineTo(p2);
1503 PathLineTo(p3);
1504 PathLineTo(p4);
1505 PathStroke(col, ImDrawFlags_Closed, thickness);
1506}
1507
1508void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col)
1509{
1510 if ((col & IM_COL32_A_MASK) == 0)
1511 return;
1512
1513 PathLineTo(p1);
1514 PathLineTo(p2);
1515 PathLineTo(p3);
1516 PathLineTo(p4);
1517 PathFillConvex(col);
1518}
1519
1520void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness)
1521{
1522 if ((col & IM_COL32_A_MASK) == 0)
1523 return;
1524
1525 PathLineTo(p1);
1526 PathLineTo(p2);
1527 PathLineTo(p3);
1528 PathStroke(col, ImDrawFlags_Closed, thickness);
1529}
1530
1531void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col)
1532{
1533 if ((col & IM_COL32_A_MASK) == 0)
1534 return;
1535
1536 PathLineTo(p1);
1537 PathLineTo(p2);
1538 PathLineTo(p3);
1539 PathFillConvex(col);
1540}
1541
1542void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1543{
1544 if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f)
1545 return;
1546
1547 if (num_segments <= 0)
1548 {
1549 // Use arc with automatic segment count
1550 _PathArcToFastEx(center, radius - 0.5f, 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, 0);
1551 _Path.Size--;
1552 }
1553 else
1554 {
1555 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1556 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1557
1558 // Because we are filling a closed shape we remove 1 from the count of segments/points
1559 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1560 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1);
1561 }
1562
1563 PathStroke(col, ImDrawFlags_Closed, thickness);
1564}
1565
1566void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1567{
1568 if ((col & IM_COL32_A_MASK) == 0 || radius < 0.5f)
1569 return;
1570
1571 if (num_segments <= 0)
1572 {
1573 // Use arc with automatic segment count
1574 _PathArcToFastEx(center, radius, 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, 0);
1575 _Path.Size--;
1576 }
1577 else
1578 {
1579 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1580 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1581
1582 // Because we are filling a closed shape we remove 1 from the count of segments/points
1583 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1584 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1);
1585 }
1586
1587 PathFillConvex(col);
1588}
1589
1590// Guaranteed to honor 'num_segments'
1591void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1592{
1593 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1594 return;
1595
1596 // Because we are filling a closed shape we remove 1 from the count of segments/points
1597 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1598 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1);
1599 PathStroke(col, ImDrawFlags_Closed, thickness);
1600}
1601
1602// Guaranteed to honor 'num_segments'
1603void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1604{
1605 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1606 return;
1607
1608 // Because we are filling a closed shape we remove 1 from the count of segments/points
1609 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1610 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1);
1611 PathFillConvex(col);
1612}
1613
1614// Ellipse
1615void ImDrawList::AddEllipse(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments, float thickness)
1616{
1617 if ((col & IM_COL32_A_MASK) == 0)
1618 return;
1619
1620 if (num_segments <= 0)
1621 num_segments = _CalcCircleAutoSegmentCount(ImMax(radius.x, radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1622
1623 // Because we are filling a closed shape we remove 1 from the count of segments/points
1624 const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1625 PathEllipticalArcTo(center, radius, rot, 0.0f, a_max, num_segments - 1);
1626 PathStroke(col, true, thickness);
1627}
1628
1629void ImDrawList::AddEllipseFilled(const ImVec2& center, const ImVec2& radius, ImU32 col, float rot, int num_segments)
1630{
1631 if ((col & IM_COL32_A_MASK) == 0)
1632 return;
1633
1634 if (num_segments <= 0)
1635 num_segments = _CalcCircleAutoSegmentCount(ImMax(radius.x, radius.y)); // A bit pessimistic, maybe there's a better computation to do here.
1636
1637 // Because we are filling a closed shape we remove 1 from the count of segments/points
1638 const float a_max = IM_PI * 2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1639 PathEllipticalArcTo(center, radius, rot, 0.0f, a_max, num_segments - 1);
1640 PathFillConvex(col);
1641}
1642
1643// Cubic Bezier takes 4 controls points
1644void ImDrawList::AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments)
1645{
1646 if ((col & IM_COL32_A_MASK) == 0)
1647 return;
1648
1649 PathLineTo(p1);
1650 PathBezierCubicCurveTo(p2, p3, p4, num_segments);
1651 PathStroke(col, 0, thickness);
1652}
1653
1654// Quadratic Bezier takes 3 controls points
1655void ImDrawList::AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments)
1656{
1657 if ((col & IM_COL32_A_MASK) == 0)
1658 return;
1659
1660 PathLineTo(p1);
1661 PathBezierQuadraticCurveTo(p2, p3, num_segments);
1662 PathStroke(col, 0, thickness);
1663}
1664
1665void ImDrawList::AddText(ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect)
1666{
1667 if ((col & IM_COL32_A_MASK) == 0)
1668 return;
1669
1670 // Accept null ranges
1671 if (text_begin == text_end || text_begin[0] == 0)
1672 return;
1673 // No need to strlen() here: font->RenderText() will do it and may early out.
1674
1675 // Pull default font/size from the shared ImDrawListSharedData instance
1676 if (font == NULL)
1677 font = _Data->Font;
1678 if (font_size == 0.0f)
1679 font_size = _Data->FontSize;
1680
1681 IM_ASSERT(font->ContainerAtlas->TexID == _CmdHeader.TextureId); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1682
1683 ImVec4 clip_rect = _CmdHeader.ClipRect;
1684 if (cpu_fine_clip_rect)
1685 {
1686 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
1687 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
1688 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
1689 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
1690 }
1691 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL);
1692}
1693
1694void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1695{
1696 AddText(_Data->Font, _Data->FontSize, pos, col, text_begin, text_end);
1697}
1698
1699void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col)
1700{
1701 if ((col & IM_COL32_A_MASK) == 0)
1702 return;
1703
1704 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1705 if (push_texture_id)
1706 PushTextureID(user_texture_id);
1707
1708 PrimReserve(6, 4);
1709 PrimRectUV(p_min, p_max, uv_min, uv_max, col);
1710
1711 if (push_texture_id)
1712 PopTextureID();
1713}
1714
1715void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col)
1716{
1717 if ((col & IM_COL32_A_MASK) == 0)
1718 return;
1719
1720 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1721 if (push_texture_id)
1722 PushTextureID(user_texture_id);
1723
1724 PrimReserve(6, 4);
1725 PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col);
1726
1727 if (push_texture_id)
1728 PopTextureID();
1729}
1730
1731void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawFlags flags)
1732{
1733 if ((col & IM_COL32_A_MASK) == 0)
1734 return;
1735
1736 flags = FixRectCornerFlags(flags);
1737 if (rounding < 0.5f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone)
1738 {
1739 AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col);
1740 return;
1741 }
1742
1743 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId;
1744 if (push_texture_id)
1745 PushTextureID(user_texture_id);
1746
1747 int vert_start_idx = VtxBuffer.Size;
1748 PathRect(p_min, p_max, rounding, flags);
1749 PathFillConvex(col);
1750 int vert_end_idx = VtxBuffer.Size;
1751 ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true);
1752
1753 if (push_texture_id)
1754 PopTextureID();
1755}
1756
1757//-----------------------------------------------------------------------------
1758// [SECTION] ImTriangulator, ImDrawList concave polygon fill
1759//-----------------------------------------------------------------------------
1760// Triangulate concave polygons. Based on "Triangulation by Ear Clipping" paper, O(N^2) complexity.
1761// Reference: https://www.geometrictools.com/Documentation/TriangulationByEarClipping.pdf
1762// Provided as a convenience for user but not used by main library.
1763//-----------------------------------------------------------------------------
1764// - ImTriangulator [Internal]
1765// - AddConcavePolyFilled()
1766//-----------------------------------------------------------------------------
1767
1768enum ImTriangulatorNodeType
1769{
1770 ImTriangulatorNodeType_Convex,
1771 ImTriangulatorNodeType_Ear,
1772 ImTriangulatorNodeType_Reflex
1773};
1774
1775struct ImTriangulatorNode
1776{
1777 ImTriangulatorNodeType Type;
1778 int Index;
1779 ImVec2 Pos;
1780 ImTriangulatorNode* Next;
1781 ImTriangulatorNode* Prev;
1782
1783 void Unlink() { Next->Prev = Prev; Prev->Next = Next; }
1784};
1785
1786struct ImTriangulatorNodeSpan
1787{
1788 ImTriangulatorNode** Data = NULL;
1789 int Size = 0;
1790
1791 void push_back(ImTriangulatorNode* node) { Data[Size++] = node; }
1792 void find_erase_unsorted(int idx) { for (int i = Size - 1; i >= 0; i--) if (Data[i]->Index == idx) { Data[i] = Data[Size - 1]; Size--; return; } }
1793};
1794
1795struct ImTriangulator
1796{
1797 static int EstimateTriangleCount(int points_count) { return (points_count < 3) ? 0 : points_count - 2; }
1798 static int EstimateScratchBufferSize(int points_count) { return sizeof(ImTriangulatorNode) * points_count + sizeof(ImTriangulatorNode*) * points_count * 2; }
1799
1800 void Init(const ImVec2* points, int points_count, void* scratch_buffer);
1801 void GetNextTriangle(unsigned int out_triangle[3]); // Return relative indexes for next triangle
1802
1803 // Internal functions
1804 void BuildNodes(const ImVec2* points, int points_count);
1805 void BuildReflexes();
1806 void BuildEars();
1807 void FlipNodeList();
1808 bool IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const;
1809 void ReclassifyNode(ImTriangulatorNode* node);
1810
1811 // Internal members
1812 int _TrianglesLeft = 0;
1813 ImTriangulatorNode* _Nodes = NULL;
1814 ImTriangulatorNodeSpan _Ears;
1815 ImTriangulatorNodeSpan _Reflexes;
1816};
1817
1818// Distribute storage for nodes, ears and reflexes.
1819// FIXME-OPT: if everything is convex, we could report it to caller and let it switch to an convex renderer
1820// (this would require first building reflexes to bail to convex if empty, without even building nodes)
1821void ImTriangulator::Init(const ImVec2* points, int points_count, void* scratch_buffer)
1822{
1823 IM_ASSERT(scratch_buffer != NULL && points_count >= 3);
1824 _TrianglesLeft = EstimateTriangleCount(points_count);
1825 _Nodes = (ImTriangulatorNode*)scratch_buffer; // points_count x Node
1826 _Ears.Data = (ImTriangulatorNode**)(_Nodes + points_count); // points_count x Node*
1827 _Reflexes.Data = (ImTriangulatorNode**)(_Nodes + points_count) + points_count; // points_count x Node*
1828 BuildNodes(points, points_count);
1829 BuildReflexes();
1830 BuildEars();
1831}
1832
1833void ImTriangulator::BuildNodes(const ImVec2* points, int points_count)
1834{
1835 for (int i = 0; i < points_count; i++)
1836 {
1837 _Nodes[i].Type = ImTriangulatorNodeType_Convex;
1838 _Nodes[i].Index = i;
1839 _Nodes[i].Pos = points[i];
1840 _Nodes[i].Next = _Nodes + i + 1;
1841 _Nodes[i].Prev = _Nodes + i - 1;
1842 }
1843 _Nodes[0].Prev = _Nodes + points_count - 1;
1844 _Nodes[points_count - 1].Next = _Nodes;
1845}
1846
1847void ImTriangulator::BuildReflexes()
1848{
1849 ImTriangulatorNode* n1 = _Nodes;
1850 for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next)
1851 {
1852 if (ImTriangleIsClockwise(n1->Prev->Pos, n1->Pos, n1->Next->Pos))
1853 continue;
1854 n1->Type = ImTriangulatorNodeType_Reflex;
1855 _Reflexes.push_back(n1);
1856 }
1857}
1858
1859void ImTriangulator::BuildEars()
1860{
1861 ImTriangulatorNode* n1 = _Nodes;
1862 for (int i = _TrianglesLeft; i >= 0; i--, n1 = n1->Next)
1863 {
1864 if (n1->Type != ImTriangulatorNodeType_Convex)
1865 continue;
1866 if (!IsEar(n1->Prev->Index, n1->Index, n1->Next->Index, n1->Prev->Pos, n1->Pos, n1->Next->Pos))
1867 continue;
1868 n1->Type = ImTriangulatorNodeType_Ear;
1869 _Ears.push_back(n1);
1870 }
1871}
1872
1873void ImTriangulator::GetNextTriangle(unsigned int out_triangle[3])
1874{
1875 if (_Ears.Size == 0)
1876 {
1877 FlipNodeList();
1878
1879 ImTriangulatorNode* node = _Nodes;
1880 for (int i = _TrianglesLeft; i >= 0; i--, node = node->Next)
1881 node->Type = ImTriangulatorNodeType_Convex;
1882 _Reflexes.Size = 0;
1883 BuildReflexes();
1884 BuildEars();
1885
1886 // If we still don't have ears, it means geometry is degenerated.
1887 if (_Ears.Size == 0)
1888 {
1889 // Return first triangle available, mimicking the behavior of convex fill.
1890 IM_ASSERT(_TrianglesLeft > 0); // Geometry is degenerated
1891 _Ears.Data[0] = _Nodes;
1892 _Ears.Size = 1;
1893 }
1894 }
1895
1896 ImTriangulatorNode* ear = _Ears.Data[--_Ears.Size];
1897 out_triangle[0] = ear->Prev->Index;
1898 out_triangle[1] = ear->Index;
1899 out_triangle[2] = ear->Next->Index;
1900
1901 ear->Unlink();
1902 if (ear == _Nodes)
1903 _Nodes = ear->Next;
1904
1905 ReclassifyNode(ear->Prev);
1906 ReclassifyNode(ear->Next);
1907 _TrianglesLeft--;
1908}
1909
1910void ImTriangulator::FlipNodeList()
1911{
1912 ImTriangulatorNode* prev = _Nodes;
1913 ImTriangulatorNode* temp = _Nodes;
1914 ImTriangulatorNode* current = _Nodes->Next;
1915 prev->Next = prev;
1916 prev->Prev = prev;
1917 while (current != _Nodes)
1918 {
1919 temp = current->Next;
1920
1921 current->Next = prev;
1922 prev->Prev = current;
1923 _Nodes->Next = current;
1924 current->Prev = _Nodes;
1925
1926 prev = current;
1927 current = temp;
1928 }
1929 _Nodes = prev;
1930}
1931
1932// A triangle is an ear is no other vertex is inside it. We can test reflexes vertices only (see reference algorithm)
1933bool ImTriangulator::IsEar(int i0, int i1, int i2, const ImVec2& v0, const ImVec2& v1, const ImVec2& v2) const
1934{
1935 ImTriangulatorNode** p_end = _Reflexes.Data + _Reflexes.Size;
1936 for (ImTriangulatorNode** p = _Reflexes.Data; p < p_end; p++)
1937 {
1938 ImTriangulatorNode* reflex = *p;
1939 if (reflex->Index != i0 && reflex->Index != i1 && reflex->Index != i2)
1940 if (ImTriangleContainsPoint(v0, v1, v2, reflex->Pos))
1941 return false;
1942 }
1943 return true;
1944}
1945
1946void ImTriangulator::ReclassifyNode(ImTriangulatorNode* n1)
1947{
1948 // Classify node
1949 ImTriangulatorNodeType type;
1950 const ImTriangulatorNode* n0 = n1->Prev;
1951 const ImTriangulatorNode* n2 = n1->Next;
1952 if (!ImTriangleIsClockwise(n0->Pos, n1->Pos, n2->Pos))
1953 type = ImTriangulatorNodeType_Reflex;
1954 else if (IsEar(n0->Index, n1->Index, n2->Index, n0->Pos, n1->Pos, n2->Pos))
1955 type = ImTriangulatorNodeType_Ear;
1956 else
1957 type = ImTriangulatorNodeType_Convex;
1958
1959 // Update lists when a type changes
1960 if (type == n1->Type)
1961 return;
1962 if (n1->Type == ImTriangulatorNodeType_Reflex)
1963 _Reflexes.find_erase_unsorted(n1->Index);
1964 else if (n1->Type == ImTriangulatorNodeType_Ear)
1965 _Ears.find_erase_unsorted(n1->Index);
1966 if (type == ImTriangulatorNodeType_Reflex)
1967 _Reflexes.push_back(n1);
1968 else if (type == ImTriangulatorNodeType_Ear)
1969 _Ears.push_back(n1);
1970 n1->Type = type;
1971}
1972
1973// Use ear-clipping algorithm to triangulate a simple polygon (no self-interaction, no holes).
1974// (Reminder: we don't perform any coarse clipping/culling in ImDrawList layer!
1975// It is up to caller to ensure not making costly calls that will be outside of visible area.
1976// As concave fill is noticeably more expensive than other primitives, be mindful of this...
1977// Caller can build AABB of points, and avoid filling if 'draw_list->_CmdHeader.ClipRect.Overlays(points_bb) == false')
1978void ImDrawList::AddConcavePolyFilled(const ImVec2* points, const int points_count, ImU32 col)
1979{
1980 if (points_count < 3 || (col & IM_COL32_A_MASK) == 0)
1981 return;
1982
1983 const ImVec2 uv = _Data->TexUvWhitePixel;
1984 ImTriangulator triangulator;
1985 unsigned int triangle[3];
1986 if (Flags & ImDrawListFlags_AntiAliasedFill)
1987 {
1988 // Anti-aliased Fill
1989 const float AA_SIZE = _FringeScale;
1990 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
1991 const int idx_count = (points_count - 2) * 3 + points_count * 6;
1992 const int vtx_count = (points_count * 2);
1993 PrimReserve(idx_count, vtx_count);
1994
1995 // Add indexes for fill
1996 unsigned int vtx_inner_idx = _VtxCurrentIdx;
1997 unsigned int vtx_outer_idx = _VtxCurrentIdx + 1;
1998
1999 _Data->TempBuffer.reserve_discard((ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2));
2000 triangulator.Init(points, points_count, _Data->TempBuffer.Data);
2001 while (triangulator._TrianglesLeft > 0)
2002 {
2003 triangulator.GetNextTriangle(triangle);
2004 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (triangle[0] << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (triangle[1] << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (triangle[2] << 1));
2005 _IdxWritePtr += 3;
2006 }
2007
2008 // Compute normals
2009 _Data->TempBuffer.reserve_discard(points_count);
2010 ImVec2* temp_normals = _Data->TempBuffer.Data;
2011 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
2012 {
2013 const ImVec2& p0 = points[i0];
2014 const ImVec2& p1 = points[i1];
2015 float dx = p1.x - p0.x;
2016 float dy = p1.y - p0.y;
2017 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
2018 temp_normals[i0].x = dy;
2019 temp_normals[i0].y = -dx;
2020 }
2021
2022 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++)
2023 {
2024 // Average normals
2025 const ImVec2& n0 = temp_normals[i0];
2026 const ImVec2& n1 = temp_normals[i1];
2027 float dm_x = (n0.x + n1.x) * 0.5f;
2028 float dm_y = (n0.y + n1.y) * 0.5f;
2029 IM_FIXNORMAL2F(dm_x, dm_y);
2030 dm_x *= AA_SIZE * 0.5f;
2031 dm_y *= AA_SIZE * 0.5f;
2032
2033 // Add vertices
2034 _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
2035 _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
2036 _VtxWritePtr += 2;
2037
2038 // Add indexes for fringes
2039 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1));
2040 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1));
2041 _IdxWritePtr += 6;
2042 }
2043 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
2044 }
2045 else
2046 {
2047 // Non Anti-aliased Fill
2048 const int idx_count = (points_count - 2) * 3;
2049 const int vtx_count = points_count;
2050 PrimReserve(idx_count, vtx_count);
2051 for (int i = 0; i < vtx_count; i++)
2052 {
2053 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
2054 _VtxWritePtr++;
2055 }
2056 _Data->TempBuffer.reserve_discard((ImTriangulator::EstimateScratchBufferSize(points_count) + sizeof(ImVec2)) / sizeof(ImVec2));
2057 triangulator.Init(points, points_count, _Data->TempBuffer.Data);
2058 while (triangulator._TrianglesLeft > 0)
2059 {
2060 triangulator.GetNextTriangle(triangle);
2061 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx + triangle[0]); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + triangle[1]); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + triangle[2]);
2062 _IdxWritePtr += 3;
2063 }
2064 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
2065 }
2066}
2067
2068//-----------------------------------------------------------------------------
2069// [SECTION] ImDrawListSplitter
2070//-----------------------------------------------------------------------------
2071// FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap..
2072//-----------------------------------------------------------------------------
2073
2074void ImDrawListSplitter::ClearFreeMemory()
2075{
2076 for (int i = 0; i < _Channels.Size; i++)
2077 {
2078 if (i == _Current)
2079 memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again
2080 _Channels[i]._CmdBuffer.clear();
2081 _Channels[i]._IdxBuffer.clear();
2082 }
2083 _Current = 0;
2084 _Count = 1;
2085 _Channels.clear();
2086}
2087
2088void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count)
2089{
2090 IM_UNUSED(draw_list);
2091 IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter.");
2092 int old_channels_count = _Channels.Size;
2093 if (old_channels_count < channels_count)
2094 {
2095 _Channels.reserve(channels_count); // Avoid over reserving since this is likely to stay stable
2096 _Channels.resize(channels_count);
2097 }
2098 _Count = channels_count;
2099
2100 // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer
2101 // The content of Channels[0] at this point doesn't matter. We clear it to make state tidy in a debugger but we don't strictly need to.
2102 // When we switch to the next channel, we'll copy draw_list->_CmdBuffer/_IdxBuffer into Channels[0] and then Channels[1] into draw_list->CmdBuffer/_IdxBuffer
2103 memset(&_Channels[0], 0, sizeof(ImDrawChannel));
2104 for (int i = 1; i < channels_count; i++)
2105 {
2106 if (i >= old_channels_count)
2107 {
2108 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
2109 }
2110 else
2111 {
2112 _Channels[i]._CmdBuffer.resize(0);
2113 _Channels[i]._IdxBuffer.resize(0);
2114 }
2115 }
2116}
2117
2118void ImDrawListSplitter::Merge(ImDrawList* draw_list)
2119{
2120 // Note that we never use or rely on _Channels.Size because it is merely a buffer that we never shrink back to 0 to keep all sub-buffers ready for use.
2121 if (_Count <= 1)
2122 return;
2123
2124 SetCurrentChannel(draw_list, 0);
2125 draw_list->_PopUnusedDrawCmd();
2126
2127 // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command.
2128 int new_cmd_buffer_count = 0;
2129 int new_idx_buffer_count = 0;
2130 ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL;
2131 int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0;
2132 for (int i = 1; i < _Count; i++)
2133 {
2134 ImDrawChannel& ch = _Channels[i];
2135 if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0 && ch._CmdBuffer.back().UserCallback == NULL) // Equivalent of PopUnusedDrawCmd()
2136 ch._CmdBuffer.pop_back();
2137
2138 if (ch._CmdBuffer.Size > 0 && last_cmd != NULL)
2139 {
2140 // Do not include ImDrawCmd_AreSequentialIdxOffset() in the compare as we rebuild IdxOffset values ourselves.
2141 // Manipulating IdxOffset (e.g. by reordering draw commands like done by RenderDimmedBackgroundBehindWindow()) is not supported within a splitter.
2142 ImDrawCmd* next_cmd = &ch._CmdBuffer[0];
2143 if (ImDrawCmd_HeaderCompare(last_cmd, next_cmd) == 0 && last_cmd->UserCallback == NULL && next_cmd->UserCallback == NULL)
2144 {
2145 // Merge previous channel last draw command with current channel first draw command if matching.
2146 last_cmd->ElemCount += next_cmd->ElemCount;
2147 idx_offset += next_cmd->ElemCount;
2148 ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges.
2149 }
2150 }
2151 if (ch._CmdBuffer.Size > 0)
2152 last_cmd = &ch._CmdBuffer.back();
2153 new_cmd_buffer_count += ch._CmdBuffer.Size;
2154 new_idx_buffer_count += ch._IdxBuffer.Size;
2155 for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++)
2156 {
2157 ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset;
2158 idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount;
2159 }
2160 }
2161 draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count);
2162 draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count);
2163
2164 // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices)
2165 ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count;
2166 ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count;
2167 for (int i = 1; i < _Count; i++)
2168 {
2169 ImDrawChannel& ch = _Channels[i];
2170 if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
2171 if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; }
2172 }
2173 draw_list->_IdxWritePtr = idx_write;
2174
2175 // Ensure there's always a non-callback draw command trailing the command-buffer
2176 if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL)
2177 draw_list->AddDrawCmd();
2178
2179 // If current command is used with different settings we need to add a new command
2180 ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
2181 if (curr_cmd->ElemCount == 0)
2182 ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
2183 else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
2184 draw_list->AddDrawCmd();
2185
2186 _Count = 1;
2187}
2188
2189void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx)
2190{
2191 IM_ASSERT(idx >= 0 && idx < _Count);
2192 if (_Current == idx)
2193 return;
2194
2195 // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap()
2196 memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer));
2197 memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer));
2198 _Current = idx;
2199 memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer));
2200 memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer));
2201 draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size;
2202
2203 // If current command is used with different settings we need to add a new command
2204 ImDrawCmd* curr_cmd = (draw_list->CmdBuffer.Size == 0) ? NULL : &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1];
2205 if (curr_cmd == NULL)
2206 draw_list->AddDrawCmd();
2207 else if (curr_cmd->ElemCount == 0)
2208 ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset
2209 else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0)
2210 draw_list->AddDrawCmd();
2211}
2212
2213//-----------------------------------------------------------------------------
2214// [SECTION] ImDrawData
2215//-----------------------------------------------------------------------------
2216
2217void ImDrawData::Clear()
2218{
2219 Valid = false;
2220 CmdListsCount = TotalIdxCount = TotalVtxCount = 0;
2221 CmdLists.resize(0); // The ImDrawList are NOT owned by ImDrawData but e.g. by ImGuiContext, so we don't clear them.
2222 DisplayPos = DisplaySize = FramebufferScale = ImVec2(0.0f, 0.0f);
2223 OwnerViewport = NULL;
2224}
2225
2226// Important: 'out_list' is generally going to be draw_data->CmdLists, but may be another temporary list
2227// as long at it is expected that the result will be later merged into draw_data->CmdLists[].
2228void ImGui::AddDrawListToDrawDataEx(ImDrawData* draw_data, ImVector<ImDrawList*>* out_list, ImDrawList* draw_list)
2229{
2230 if (draw_list->CmdBuffer.Size == 0)
2231 return;
2232 if (draw_list->CmdBuffer.Size == 1 && draw_list->CmdBuffer[0].ElemCount == 0 && draw_list->CmdBuffer[0].UserCallback == NULL)
2233 return;
2234
2235 // Draw list sanity check. Detect mismatch between PrimReserve() calls and incrementing _VtxCurrentIdx, _VtxWritePtr etc.
2236 // May trigger for you if you are using PrimXXX functions incorrectly.
2237 IM_ASSERT(draw_list->VtxBuffer.Size == 0 || draw_list->_VtxWritePtr == draw_list->VtxBuffer.Data + draw_list->VtxBuffer.Size);
2238 IM_ASSERT(draw_list->IdxBuffer.Size == 0 || draw_list->_IdxWritePtr == draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size);
2239 if (!(draw_list->Flags & ImDrawListFlags_AllowVtxOffset))
2240 IM_ASSERT((int)draw_list->_VtxCurrentIdx == draw_list->VtxBuffer.Size);
2241
2242 // Check that draw_list doesn't use more vertices than indexable (default ImDrawIdx = unsigned short = 2 bytes = 64K vertices per ImDrawList = per window)
2243 // If this assert triggers because you are drawing lots of stuff manually:
2244 // - First, make sure you are coarse clipping yourself and not trying to draw many things outside visible bounds.
2245 // Be mindful that the lower-level ImDrawList API doesn't filter vertices. Use the Metrics/Debugger window to inspect draw list contents.
2246 // - If you want large meshes with more than 64K vertices, you can either:
2247 // (A) Handle the ImDrawCmd::VtxOffset value in your renderer backend, and set 'io.BackendFlags |= ImGuiBackendFlags_RendererHasVtxOffset'.
2248 // Most example backends already support this from 1.71. Pre-1.71 backends won't.
2249 // Some graphics API such as GL ES 1/2 don't have a way to offset the starting vertex so it is not supported for them.
2250 // (B) Or handle 32-bit indices in your renderer backend, and uncomment '#define ImDrawIdx unsigned int' line in imconfig.h.
2251 // Most example backends already support this. For example, the OpenGL example code detect index size at compile-time:
2252 // glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer_offset);
2253 // Your own engine or render API may use different parameters or function calls to specify index sizes.
2254 // 2 and 4 bytes indices are generally supported by most graphics API.
2255 // - If for some reason neither of those solutions works for you, a workaround is to call BeginChild()/EndChild() before reaching
2256 // the 64K limit to split your draw commands in multiple draw lists.
2257 if (sizeof(ImDrawIdx) == 2)
2258 IM_ASSERT(draw_list->_VtxCurrentIdx < (1 << 16) && "Too many vertices in ImDrawList using 16-bit indices. Read comment above");
2259
2260 // Resolve callback data pointers
2261 if (draw_list->_CallbacksDataBuf.Size > 0)
2262 for (ImDrawCmd& cmd : draw_list->CmdBuffer)
2263 if (cmd.UserCallback != NULL && cmd.UserCallbackDataOffset != -1 && cmd.UserCallbackDataSize > 0)
2264 cmd.UserCallbackData = draw_list->_CallbacksDataBuf.Data + cmd.UserCallbackDataOffset;
2265
2266 // Add to output list + records state in ImDrawData
2267 out_list->push_back(draw_list);
2268 draw_data->CmdListsCount++;
2269 draw_data->TotalVtxCount += draw_list->VtxBuffer.Size;
2270 draw_data->TotalIdxCount += draw_list->IdxBuffer.Size;
2271}
2272
2273void ImDrawData::AddDrawList(ImDrawList* draw_list)
2274{
2275 IM_ASSERT(CmdLists.Size == CmdListsCount);
2276 draw_list->_PopUnusedDrawCmd();
2277 ImGui::AddDrawListToDrawDataEx(this, &CmdLists, draw_list);
2278}
2279
2280// For backward compatibility: convert all buffers from indexed to de-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering!
2281void ImDrawData::DeIndexAllBuffers()
2282{
2283 ImVector<ImDrawVert> new_vtx_buffer;
2284 TotalVtxCount = TotalIdxCount = 0;
2285 for (int i = 0; i < CmdListsCount; i++)
2286 {
2287 ImDrawList* cmd_list = CmdLists[i];
2288 if (cmd_list->IdxBuffer.empty())
2289 continue;
2290 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
2291 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
2292 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
2293 cmd_list->VtxBuffer.swap(new_vtx_buffer);
2294 cmd_list->IdxBuffer.resize(0);
2295 TotalVtxCount += cmd_list->VtxBuffer.Size;
2296 }
2297}
2298
2299// Helper to scale the ClipRect field of each ImDrawCmd.
2300// Use if your final output buffer is at a different scale than draw_data->DisplaySize,
2301// or if there is a difference between your window resolution and framebuffer resolution.
2302void ImDrawData::ScaleClipRects(const ImVec2& fb_scale)
2303{
2304 for (ImDrawList* draw_list : CmdLists)
2305 for (ImDrawCmd& cmd : draw_list->CmdBuffer)
2306 cmd.ClipRect = ImVec4(cmd.ClipRect.x * fb_scale.x, cmd.ClipRect.y * fb_scale.y, cmd.ClipRect.z * fb_scale.x, cmd.ClipRect.w * fb_scale.y);
2307}
2308
2309//-----------------------------------------------------------------------------
2310// [SECTION] Helpers ShadeVertsXXX functions
2311//-----------------------------------------------------------------------------
2312
2313// Generic linear color gradient, write to RGB fields, leave A untouched.
2314void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
2315{
2316 ImVec2 gradient_extent = gradient_p1 - gradient_p0;
2317 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
2318 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2319 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2320 const int col0_r = (int)(col0 >> IM_COL32_R_SHIFT) & 0xFF;
2321 const int col0_g = (int)(col0 >> IM_COL32_G_SHIFT) & 0xFF;
2322 const int col0_b = (int)(col0 >> IM_COL32_B_SHIFT) & 0xFF;
2323 const int col_delta_r = ((int)(col1 >> IM_COL32_R_SHIFT) & 0xFF) - col0_r;
2324 const int col_delta_g = ((int)(col1 >> IM_COL32_G_SHIFT) & 0xFF) - col0_g;
2325 const int col_delta_b = ((int)(col1 >> IM_COL32_B_SHIFT) & 0xFF) - col0_b;
2326 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
2327 {
2328 float d = ImDot(vert->pos - gradient_p0, gradient_extent);
2329 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
2330 int r = (int)(col0_r + col_delta_r * t);
2331 int g = (int)(col0_g + col_delta_g * t);
2332 int b = (int)(col0_b + col_delta_b * t);
2333 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
2334 }
2335}
2336
2337// Distribute UV over (a, b) rectangle
2338void ImGui::ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp)
2339{
2340 const ImVec2 size = b - a;
2341 const ImVec2 uv_size = uv_b - uv_a;
2342 const ImVec2 scale = ImVec2(
2343 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
2344 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
2345
2346 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2347 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2348 if (clamp)
2349 {
2350 const ImVec2 min = ImMin(uv_a, uv_b);
2351 const ImVec2 max = ImMax(uv_a, uv_b);
2352 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2353 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max);
2354 }
2355 else
2356 {
2357 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2358 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale);
2359 }
2360}
2361
2362void ImGui::ShadeVertsTransformPos(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& pivot_in, float cos_a, float sin_a, const ImVec2& pivot_out)
2363{
2364 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
2365 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
2366 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
2367 vertex->pos = ImRotate(vertex->pos- pivot_in, cos_a, sin_a) + pivot_out;
2368}
2369
2370//-----------------------------------------------------------------------------
2371// [SECTION] ImFontConfig
2372//-----------------------------------------------------------------------------
2373
2374ImFontConfig::ImFontConfig()
2375{
2376 memset(this, 0, sizeof(*this));
2377 FontDataOwnedByAtlas = true;
2378 OversampleH = 0; // Auto == 1 or 2 depending on size
2379 OversampleV = 0; // Auto == 1
2380 GlyphMaxAdvanceX = FLT_MAX;
2381 RasterizerMultiply = 1.0f;
2382 RasterizerDensity = 1.0f;
2383 EllipsisChar = 0;
2384}
2385
2386//-----------------------------------------------------------------------------
2387// [SECTION] ImFontAtlas
2388//-----------------------------------------------------------------------------
2389// - Default texture data encoded in ASCII
2390// - ImFontAtlas::ClearInputData()
2391// - ImFontAtlas::ClearTexData()
2392// - ImFontAtlas::ClearFonts()
2393// - ImFontAtlas::Clear()
2394// - ImFontAtlas::GetTexDataAsAlpha8()
2395// - ImFontAtlas::GetTexDataAsRGBA32()
2396// - ImFontAtlas::AddFont()
2397// - ImFontAtlas::AddFontDefault()
2398// - ImFontAtlas::AddFontFromFileTTF()
2399// - ImFontAtlas::AddFontFromMemoryTTF()
2400// - ImFontAtlas::AddFontFromMemoryCompressedTTF()
2401// - ImFontAtlas::AddFontFromMemoryCompressedBase85TTF()
2402// - ImFontAtlas::AddCustomRectRegular()
2403// - ImFontAtlas::AddCustomRectFontGlyph()
2404// - ImFontAtlas::CalcCustomRectUV()
2405// - ImFontAtlasGetMouseCursorTexData()
2406// - ImFontAtlas::Build()
2407// - ImFontAtlasBuildMultiplyCalcLookupTable()
2408// - ImFontAtlasBuildMultiplyRectAlpha8()
2409// - ImFontAtlasBuildWithStbTruetype()
2410// - ImFontAtlasGetBuilderForStbTruetype()
2411// - ImFontAtlasUpdateConfigDataPointers()
2412// - ImFontAtlasBuildSetupFont()
2413// - ImFontAtlasBuildPackCustomRects()
2414// - ImFontAtlasBuildRender8bppRectFromString()
2415// - ImFontAtlasBuildRender32bppRectFromString()
2416// - ImFontAtlasBuildRenderDefaultTexData()
2417// - ImFontAtlasBuildRenderLinesTexData()
2418// - ImFontAtlasBuildInit()
2419// - ImFontAtlasBuildFinish()
2420//-----------------------------------------------------------------------------
2421
2422// A work of art lies ahead! (. = white layer, X = black layer, others are blank)
2423// The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
2424// (This is used when io.MouseDrawCursor = true)
2425const int FONT_ATLAS_DEFAULT_TEX_DATA_W = 122; // Actual texture will be 2 times that + 1 spacing.
2426const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
2427static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
2428{
2429 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX - XX XX "
2430 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X -X..X X..X"
2431 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X -X...X X...X"
2432 "X - X.X - X.....X - X.....X -X...X - X...X- X..X - X...X X...X "
2433 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X - X...X...X "
2434 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX - X.....X "
2435 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX - X...X "
2436 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX - X.X "
2437 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X - X...X "
2438 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X- X.....X "
2439 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X- X...X...X "
2440 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X- X...X X...X "
2441 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X-X...X X...X"
2442 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X-X..X X..X"
2443 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X- XX XX "
2444 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X--------------"
2445 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X - "
2446 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X - "
2447 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X - "
2448 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X - "
2449 " X..X - - X...X - X...X - X..X X..X - - X........X - "
2450 " XX - - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX - "
2451 "------------- - X - X -X.....................X- ------------------- "
2452 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
2453 " - X..X X..X - "
2454 " - X.X X.X - "
2455 " - XX XX - "
2456};
2457
2458static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
2459{
2460 // Pos ........ Size ......... Offset ......
2461 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
2462 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
2463 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
2464 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
2465 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
2466 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
2467 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
2468 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
2469 { ImVec2(0,3), ImVec2(12,19), ImVec2(0, 0) }, // ImGuiMouseCursor_Wait // Arrow + custom code in ImGui::RenderMouseCursor()
2470 { ImVec2(0,3), ImVec2(12,19), ImVec2(0, 0) }, // ImGuiMouseCursor_Progress // Arrow + custom code in ImGui::RenderMouseCursor()
2471 { ImVec2(109,0),ImVec2(13,15), ImVec2( 6, 7) }, // ImGuiMouseCursor_NotAllowed
2472};
2473
2474ImFontAtlas::ImFontAtlas()
2475{
2476 memset(this, 0, sizeof(*this));
2477 TexGlyphPadding = 1;
2478 PackIdMouseCursors = PackIdLines = -1;
2479}
2480
2481ImFontAtlas::~ImFontAtlas()
2482{
2483 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2484 Clear();
2485}
2486
2487void ImFontAtlas::ClearInputData()
2488{
2489 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2490 for (ImFontConfig& font_cfg : ConfigData)
2491 if (font_cfg.FontData && font_cfg.FontDataOwnedByAtlas)
2492 {
2493 IM_FREE(font_cfg.FontData);
2494 font_cfg.FontData = NULL;
2495 }
2496
2497 // When clearing this we lose access to the font name and other information used to build the font.
2498 for (ImFont* font : Fonts)
2499 if (font->ConfigData >= ConfigData.Data && font->ConfigData < ConfigData.Data + ConfigData.Size)
2500 {
2501 font->ConfigData = NULL;
2502 font->ConfigDataCount = 0;
2503 }
2504 ConfigData.clear();
2505 CustomRects.clear();
2506 PackIdMouseCursors = PackIdLines = -1;
2507 // Important: we leave TexReady untouched
2508}
2509
2510void ImFontAtlas::ClearTexData()
2511{
2512 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2513 if (TexPixelsAlpha8)
2514 IM_FREE(TexPixelsAlpha8);
2515 if (TexPixelsRGBA32)
2516 IM_FREE(TexPixelsRGBA32);
2517 TexPixelsAlpha8 = NULL;
2518 TexPixelsRGBA32 = NULL;
2519 TexPixelsUseColors = false;
2520 // Important: we leave TexReady untouched
2521}
2522
2523void ImFontAtlas::ClearFonts()
2524{
2525 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2526 ClearInputData();
2527 Fonts.clear_delete();
2528 TexReady = false;
2529}
2530
2531void ImFontAtlas::Clear()
2532{
2533 ClearInputData();
2534 ClearTexData();
2535 ClearFonts();
2536}
2537
2538void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
2539{
2540 // Build atlas on demand
2541 if (TexPixelsAlpha8 == NULL)
2542 Build();
2543
2544 *out_pixels = TexPixelsAlpha8;
2545 if (out_width) *out_width = TexWidth;
2546 if (out_height) *out_height = TexHeight;
2547 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
2548}
2549
2550void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
2551{
2552 // Convert to RGBA32 format on demand
2553 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
2554 if (!TexPixelsRGBA32)
2555 {
2556 unsigned char* pixels = NULL;
2557 GetTexDataAsAlpha8(&pixels, NULL, NULL);
2558 if (pixels)
2559 {
2560 TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4);
2561 const unsigned char* src = pixels;
2562 unsigned int* dst = TexPixelsRGBA32;
2563 for (int n = TexWidth * TexHeight; n > 0; n--)
2564 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
2565 }
2566 }
2567
2568 *out_pixels = (unsigned char*)TexPixelsRGBA32;
2569 if (out_width) *out_width = TexWidth;
2570 if (out_height) *out_height = TexHeight;
2571 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
2572}
2573
2574ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
2575{
2576 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2577 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
2578 IM_ASSERT(font_cfg->SizePixels > 0.0f && "Is ImFontConfig struct correctly initialized?");
2579 IM_ASSERT(font_cfg->RasterizerDensity > 0.0f && "Is ImFontConfig struct correctly initialized?");
2580
2581 // Create new font
2582 if (!font_cfg->MergeMode)
2583 Fonts.push_back(IM_NEW(ImFont));
2584 else
2585 IM_ASSERT(Fonts.Size > 0 && "Cannot use MergeMode for the first font"); // When using MergeMode make sure that a font has already been added before. You can use ImGui::GetIO().Fonts->AddFontDefault() to add the default imgui font.
2586
2587 ConfigData.push_back(*font_cfg);
2588 ImFontConfig& new_font_cfg = ConfigData.back();
2589 if (new_font_cfg.DstFont == NULL)
2590 new_font_cfg.DstFont = Fonts.back();
2591 if (!new_font_cfg.FontDataOwnedByAtlas)
2592 {
2593 new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize);
2594 new_font_cfg.FontDataOwnedByAtlas = true;
2595 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
2596 }
2597
2598 // Round font size
2599 // - We started rounding in 1.90 WIP (18991) as our layout system currently doesn't support non-rounded font size well yet.
2600 // - Note that using io.FontGlobalScale or SetWindowFontScale(), with are legacy-ish, partially supported features, can still lead to unrounded sizes.
2601 // - We may support it better later and remove this rounding.
2602 new_font_cfg.SizePixels = ImTrunc(new_font_cfg.SizePixels);
2603
2604 // Pointers to ConfigData and BuilderData are otherwise dangling
2605 ImFontAtlasUpdateConfigDataPointers(this);
2606
2607 // Invalidate texture
2608 TexReady = false;
2609 ClearTexData();
2610 return new_font_cfg.DstFont;
2611}
2612
2613// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
2614static unsigned int stb_decompress_length(const unsigned char* input);
2615static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length);
2616static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
2617static void Decode85(const unsigned char* src, unsigned char* dst)
2618{
2619 while (*src)
2620 {
2621 unsigned int tmp = Decode85Byte(src[0]) + 85 * (Decode85Byte(src[1]) + 85 * (Decode85Byte(src[2]) + 85 * (Decode85Byte(src[3]) + 85 * Decode85Byte(src[4]))));
2622 dst[0] = ((tmp >> 0) & 0xFF); dst[1] = ((tmp >> 8) & 0xFF); dst[2] = ((tmp >> 16) & 0xFF); dst[3] = ((tmp >> 24) & 0xFF); // We can't assume little-endianness.
2623 src += 5;
2624 dst += 4;
2625 }
2626}
2627#ifndef IMGUI_DISABLE_DEFAULT_FONT
2628static const char* GetDefaultCompressedFontDataTTF(int* out_size);
2629#endif
2630
2631// Load embedded ProggyClean.ttf at size 13, disable oversampling
2632ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
2633{
2634#ifndef IMGUI_DISABLE_DEFAULT_FONT
2635 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2636 if (!font_cfg_template)
2637 {
2638 font_cfg.OversampleH = font_cfg.OversampleV = 1;
2639 font_cfg.PixelSnapH = true;
2640 }
2641 if (font_cfg.SizePixels <= 0.0f)
2642 font_cfg.SizePixels = 13.0f * 1.0f;
2643 if (font_cfg.Name[0] == '\0')
2644 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
2645 font_cfg.EllipsisChar = (ImWchar)0x0085;
2646 font_cfg.GlyphOffset.y = 1.0f * IM_TRUNC(font_cfg.SizePixels / 13.0f); // Add +1 offset per 13 units
2647
2648 int ttf_compressed_size = 0;
2649 const char* ttf_compressed = GetDefaultCompressedFontDataTTF(&ttf_compressed_size);
2650 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
2651 ImFont* font = AddFontFromMemoryCompressedTTF(ttf_compressed, ttf_compressed_size, font_cfg.SizePixels, &font_cfg, glyph_ranges);
2652 return font;
2653#else
2654 IM_ASSERT(0 && "AddFontDefault() disabled in this build.");
2655 IM_UNUSED(font_cfg_template);
2656 return NULL;
2657#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
2658}
2659
2660ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2661{
2662 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2663 size_t data_size = 0;
2664 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
2665 if (!data)
2666 {
2667 IM_ASSERT_USER_ERROR(0, "Could not load font file!");
2668 return NULL;
2669 }
2670 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2671 if (font_cfg.Name[0] == '\0')
2672 {
2673 // Store a short copy of filename into into the font name for convenience
2674 const char* p;
2675 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
2676 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels);
2677 }
2678 return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges);
2679}
2680
2681// NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build().
2682ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* font_data, int font_data_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2683{
2684 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2685 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2686 IM_ASSERT(font_cfg.FontData == NULL);
2687 IM_ASSERT(font_data_size > 100 && "Incorrect value for font_data_size!"); // Heuristic to prevent accidentally passing a wrong value to font_data_size.
2688 font_cfg.FontData = font_data;
2689 font_cfg.FontDataSize = font_data_size;
2690 font_cfg.SizePixels = size_pixels > 0.0f ? size_pixels : font_cfg.SizePixels;
2691 if (glyph_ranges)
2692 font_cfg.GlyphRanges = glyph_ranges;
2693 return AddFont(&font_cfg);
2694}
2695
2696ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
2697{
2698 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data);
2699 unsigned char* buf_decompressed_data = (unsigned char*)IM_ALLOC(buf_decompressed_size);
2700 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
2701
2702 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
2703 IM_ASSERT(font_cfg.FontData == NULL);
2704 font_cfg.FontDataOwnedByAtlas = true;
2705 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
2706}
2707
2708ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
2709{
2710 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
2711 void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size);
2712 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
2713 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
2714 IM_FREE(compressed_ttf);
2715 return font;
2716}
2717
2718int ImFontAtlas::AddCustomRectRegular(int width, int height)
2719{
2720 IM_ASSERT(width > 0 && width <= 0xFFFF);
2721 IM_ASSERT(height > 0 && height <= 0xFFFF);
2722 ImFontAtlasCustomRect r;
2723 r.Width = (unsigned short)width;
2724 r.Height = (unsigned short)height;
2725 CustomRects.push_back(r);
2726 return CustomRects.Size - 1; // Return index
2727}
2728
2729int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
2730{
2731#ifdef IMGUI_USE_WCHAR32
2732 IM_ASSERT(id <= IM_UNICODE_CODEPOINT_MAX);
2733#endif
2734 IM_ASSERT(font != NULL);
2735 IM_ASSERT(width > 0 && width <= 0xFFFF);
2736 IM_ASSERT(height > 0 && height <= 0xFFFF);
2737 ImFontAtlasCustomRect r;
2738 r.Width = (unsigned short)width;
2739 r.Height = (unsigned short)height;
2740 r.GlyphID = id;
2741 r.GlyphColored = 0; // Set to 1 manually to mark glyph as colored // FIXME: No official API for that (#8133)
2742 r.GlyphAdvanceX = advance_x;
2743 r.GlyphOffset = offset;
2744 r.Font = font;
2745 CustomRects.push_back(r);
2746 return CustomRects.Size - 1; // Return index
2747}
2748
2749void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const
2750{
2751 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
2752 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
2753 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
2754 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
2755}
2756
2757bool ImFontAtlasGetMouseCursorTexData(ImFontAtlas* atlas, ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
2758{
2759 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
2760 return false;
2761 if (atlas->Flags & ImFontAtlasFlags_NoMouseCursors)
2762 return false;
2763
2764 IM_ASSERT(atlas->PackIdMouseCursors != -1);
2765 ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdMouseCursors);
2766 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r->X, (float)r->Y);
2767 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
2768 *out_size = size;
2769 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
2770 out_uv_border[0] = (pos) * atlas->TexUvScale;
2771 out_uv_border[1] = (pos + size) * atlas->TexUvScale;
2772 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
2773 out_uv_fill[0] = (pos) * atlas->TexUvScale;
2774 out_uv_fill[1] = (pos + size) * atlas->TexUvScale;
2775 return true;
2776}
2777
2778bool ImFontAtlas::Build()
2779{
2780 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
2781
2782 // Default font is none are specified
2783 if (ConfigData.Size == 0)
2784 AddFontDefault();
2785
2786 // Select builder
2787 // - Note that we do not reassign to atlas->FontBuilderIO, since it is likely to point to static data which
2788 // may mess with some hot-reloading schemes. If you need to assign to this (for dynamic selection) AND are
2789 // using a hot-reloading scheme that messes up static data, store your own instance of ImFontBuilderIO somewhere
2790 // and point to it instead of pointing directly to return value of the GetBuilderXXX functions.
2791 const ImFontBuilderIO* builder_io = FontBuilderIO;
2792 if (builder_io == NULL)
2793 {
2794#ifdef IMGUI_ENABLE_FREETYPE
2795 builder_io = ImGuiFreeType::GetBuilderForFreeType();
2796#elif defined(IMGUI_ENABLE_STB_TRUETYPE)
2797 builder_io = ImFontAtlasGetBuilderForStbTruetype();
2798#else
2799 IM_ASSERT(0); // Invalid Build function
2800#endif
2801 }
2802
2803 // Build
2804 return builder_io->FontBuilder_Build(this);
2805}
2806
2807void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
2808{
2809 for (unsigned int i = 0; i < 256; i++)
2810 {
2811 unsigned int value = (unsigned int)(i * in_brighten_factor);
2812 out_table[i] = value > 255 ? 255 : (value & 0xFF);
2813 }
2814}
2815
2816void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
2817{
2818 IM_ASSERT_PARANOID(w <= stride);
2819 unsigned char* data = pixels + x + y * stride;
2820 for (int j = h; j > 0; j--, data += stride - w)
2821 for (int i = w; i > 0; i--, data++)
2822 *data = table[*data];
2823}
2824
2825void ImFontAtlasBuildGetOversampleFactors(const ImFontConfig* cfg, int* out_oversample_h, int* out_oversample_v)
2826{
2827 // Automatically disable horizontal oversampling over size 36
2828 *out_oversample_h = (cfg->OversampleH != 0) ? cfg->OversampleH : (cfg->SizePixels * cfg->RasterizerDensity > 36.0f || cfg->PixelSnapH) ? 1 : 2;
2829 *out_oversample_v = (cfg->OversampleV != 0) ? cfg->OversampleV : 1;
2830}
2831
2832#ifdef IMGUI_ENABLE_STB_TRUETYPE
2833// Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
2834// (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
2835struct ImFontBuildSrcData
2836{
2837 stbtt_fontinfo FontInfo;
2838 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
2839 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
2840 stbtt_packedchar* PackedChars; // Output glyphs
2841 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
2842 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
2843 int GlyphsHighest; // Highest requested codepoint
2844 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
2845 ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
2846 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsSet)
2847};
2848
2849// Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
2850struct ImFontBuildDstData
2851{
2852 int SrcCount; // Number of source fonts targeting this destination font.
2853 int GlyphsHighest;
2854 int GlyphsCount;
2855 ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
2856};
2857
2858static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector<int>* out)
2859{
2860 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
2861 const ImU32* it_begin = in->Storage.begin();
2862 const ImU32* it_end = in->Storage.end();
2863 for (const ImU32* it = it_begin; it < it_end; it++)
2864 if (ImU32 entries_32 = *it)
2865 for (ImU32 bit_n = 0; bit_n < 32; bit_n++)
2866 if (entries_32 & ((ImU32)1 << bit_n))
2867 out->push_back((int)(((it - it_begin) << 5) + bit_n));
2868}
2869
2870static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
2871{
2872 IM_ASSERT(atlas->ConfigData.Size > 0);
2873
2874 ImFontAtlasBuildInit(atlas);
2875
2876 // Clear atlas
2877 atlas->TexID = (ImTextureID)NULL;
2878 atlas->TexWidth = atlas->TexHeight = 0;
2879 atlas->TexUvScale = ImVec2(0.0f, 0.0f);
2880 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
2881 atlas->ClearTexData();
2882
2883 // Temporary storage for building
2884 ImVector<ImFontBuildSrcData> src_tmp_array;
2885 ImVector<ImFontBuildDstData> dst_tmp_array;
2886 src_tmp_array.resize(atlas->ConfigData.Size);
2887 dst_tmp_array.resize(atlas->Fonts.Size);
2888 memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes());
2889 memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes());
2890
2891 // 1. Initialize font loading structure, check font data validity
2892 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
2893 {
2894 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2895 ImFontConfig& cfg = atlas->ConfigData[src_i];
2896 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
2897
2898 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
2899 src_tmp.DstIndex = -1;
2900 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
2901 if (cfg.DstFont == atlas->Fonts[output_i])
2902 src_tmp.DstIndex = output_i;
2903 if (src_tmp.DstIndex == -1)
2904 {
2905 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
2906 return false;
2907 }
2908 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct
2909 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
2910 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
2911 if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
2912 {
2913 IM_ASSERT(0 && "stbtt_InitFont(): failed to parse FontData. It is correct and complete? Check FontDataSize.");
2914 return false;
2915 }
2916
2917 // Measure highest codepoints
2918 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
2919 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
2920 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
2921 {
2922 // Check for valid range. This may also help detect *some* dangling pointers, because a common
2923 // user error is to setup ImFontConfig::GlyphRanges with a pointer to data that isn't persistent,
2924 // or to forget to zero-terminate the glyph range array.
2925 IM_ASSERT(src_range[0] <= src_range[1] && "Invalid range: is your glyph range array persistent? it is zero-terminated?");
2926 src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
2927 }
2928 dst_tmp.SrcCount++;
2929 dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest);
2930 }
2931
2932 // 2. For every requested codepoint, check for their presence in the font data, and handle redundancy or overlaps between source fonts to avoid unused glyphs.
2933 int total_glyphs_count = 0;
2934 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2935 {
2936 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2937 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
2938 src_tmp.GlyphsSet.Create(src_tmp.GlyphsHighest + 1);
2939 if (dst_tmp.GlyphsSet.Storage.empty())
2940 dst_tmp.GlyphsSet.Create(dst_tmp.GlyphsHighest + 1);
2941
2942 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
2943 for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
2944 {
2945 if (dst_tmp.GlyphsSet.TestBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true)
2946 continue;
2947 if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font?
2948 continue;
2949
2950 // Add to avail set/counters
2951 src_tmp.GlyphsCount++;
2952 dst_tmp.GlyphsCount++;
2953 src_tmp.GlyphsSet.SetBit(codepoint);
2954 dst_tmp.GlyphsSet.SetBit(codepoint);
2955 total_glyphs_count++;
2956 }
2957 }
2958
2959 // 3. Unpack our bit map into a flat list (we now have all the Unicode points that we know are requested _and_ available _and_ not overlapping another)
2960 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2961 {
2962 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2963 src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount);
2964 UnpackBitVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList);
2965 src_tmp.GlyphsSet.Clear();
2966 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
2967 }
2968 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
2969 dst_tmp_array[dst_i].GlyphsSet.Clear();
2970 dst_tmp_array.clear();
2971
2972 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
2973 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
2974 ImVector<stbrp_rect> buf_rects;
2975 ImVector<stbtt_packedchar> buf_packedchars;
2976 buf_rects.resize(total_glyphs_count);
2977 buf_packedchars.resize(total_glyphs_count);
2978 memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes());
2979 memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes());
2980
2981 // 4. Gather glyphs sizes so we can pack them in our virtual canvas.
2982 int total_surface = 0;
2983 int buf_rects_out_n = 0;
2984 int buf_packedchars_out_n = 0;
2985 const int pack_padding = atlas->TexGlyphPadding;
2986 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2987 {
2988 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2989 if (src_tmp.GlyphsCount == 0)
2990 continue;
2991
2992 src_tmp.Rects = &buf_rects[buf_rects_out_n];
2993 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
2994 buf_rects_out_n += src_tmp.GlyphsCount;
2995 buf_packedchars_out_n += src_tmp.GlyphsCount;
2996
2997 // Automatic selection of oversampling parameters
2998 ImFontConfig& cfg = atlas->ConfigData[src_i];
2999 int oversample_h, oversample_v;
3000 ImFontAtlasBuildGetOversampleFactors(&cfg, &oversample_h, &oversample_v);
3001
3002 // Convert our ranges in the format stb_truetype wants
3003 src_tmp.PackRange.font_size = cfg.SizePixels * cfg.RasterizerDensity;
3004 src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
3005 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
3006 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
3007 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
3008 src_tmp.PackRange.h_oversample = (unsigned char)oversample_h;
3009 src_tmp.PackRange.v_oversample = (unsigned char)oversample_v;
3010
3011 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
3012 const float scale = (cfg.SizePixels > 0.0f) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels * cfg.RasterizerDensity) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels * cfg.RasterizerDensity);
3013 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
3014 {
3015 int x0, y0, x1, y1;
3016 const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]);
3017 IM_ASSERT(glyph_index_in_font != 0);
3018 stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * oversample_h, scale * oversample_v, 0, 0, &x0, &y0, &x1, &y1);
3019 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + pack_padding + oversample_h - 1);
3020 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + pack_padding + oversample_v - 1);
3021 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
3022 }
3023 }
3024 for (int i = 0; i < atlas->CustomRects.Size; i++)
3025 total_surface += (atlas->CustomRects[i].Width + pack_padding) * (atlas->CustomRects[i].Height + pack_padding);
3026
3027 // We need a width for the skyline algorithm, any width!
3028 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
3029 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
3030 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
3031 atlas->TexHeight = 0;
3032 if (atlas->TexDesiredWidth > 0)
3033 atlas->TexWidth = atlas->TexDesiredWidth;
3034 else
3035 atlas->TexWidth = (surface_sqrt >= 4096 * 0.7f) ? 4096 : (surface_sqrt >= 2048 * 0.7f) ? 2048 : (surface_sqrt >= 1024 * 0.7f) ? 1024 : 512;
3036
3037 // 5. Start packing
3038 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
3039 const int TEX_HEIGHT_MAX = 1024 * 32;
3040 stbtt_pack_context spc = {};
3041 stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, 0, NULL);
3042 spc.padding = atlas->TexGlyphPadding; // Because we mixup stbtt_PackXXX and stbrp_PackXXX there's a bit of a hack here, not passing the value to stbtt_PackBegin() allows us to still pack a TexWidth-1 wide item. (#8107)
3043 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
3044
3045 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
3046 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
3047 {
3048 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
3049 if (src_tmp.GlyphsCount == 0)
3050 continue;
3051
3052 stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount);
3053
3054 // Extend texture height and mark missing glyphs as non-packed so we won't render them.
3055 // FIXME: We are not handling packing failure here (would happen if we got off TEX_HEIGHT_MAX or if a single if larger than TexWidth?)
3056 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
3057 if (src_tmp.Rects[glyph_i].was_packed)
3058 atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
3059 }
3060
3061 // 7. Allocate texture
3062 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
3063 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
3064 atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight);
3065 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
3066 spc.pixels = atlas->TexPixelsAlpha8;
3067 spc.height = atlas->TexHeight;
3068
3069 // 8. Render/rasterize font characters into the texture
3070 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
3071 {
3072 ImFontConfig& cfg = atlas->ConfigData[src_i];
3073 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
3074 if (src_tmp.GlyphsCount == 0)
3075 continue;
3076
3077 stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects);
3078
3079 // Apply multiply operator
3080 if (cfg.RasterizerMultiply != 1.0f)
3081 {
3082 unsigned char multiply_table[256];
3083 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
3084 stbrp_rect* r = &src_tmp.Rects[0];
3085 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
3086 if (r->was_packed)
3087 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1);
3088 }
3089 src_tmp.Rects = NULL;
3090 }
3091
3092 // End packing
3093 stbtt_PackEnd(&spc);
3094 buf_rects.clear();
3095
3096 // 9. Setup ImFont and glyphs for runtime
3097 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
3098 {
3099 // When merging fonts with MergeMode=true:
3100 // - We can have multiple input fonts writing into a same destination font.
3101 // - dst_font->ConfigData is != from cfg which is our source configuration.
3102 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
3103 ImFontConfig& cfg = atlas->ConfigData[src_i];
3104 ImFont* dst_font = cfg.DstFont;
3105
3106 const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels);
3107 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
3108 stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
3109
3110 const float ascent = ImCeil(unscaled_ascent * font_scale);
3111 const float descent = ImFloor(unscaled_descent * font_scale);
3112 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
3113 const float font_off_x = cfg.GlyphOffset.x;
3114 const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
3115
3116 const float inv_rasterization_scale = 1.0f / cfg.RasterizerDensity;
3117
3118 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
3119 {
3120 // Register glyph
3121 const int codepoint = src_tmp.GlyphsList[glyph_i];
3122 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
3123 stbtt_aligned_quad q;
3124 float unused_x = 0.0f, unused_y = 0.0f;
3125 stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &unused_x, &unused_y, &q, 0);
3126 float x0 = q.x0 * inv_rasterization_scale + font_off_x;
3127 float y0 = q.y0 * inv_rasterization_scale + font_off_y;
3128 float x1 = q.x1 * inv_rasterization_scale + font_off_x;
3129 float y1 = q.y1 * inv_rasterization_scale + font_off_y;
3130 dst_font->AddGlyph(&cfg, (ImWchar)codepoint, x0, y0, x1, y1, q.s0, q.t0, q.s1, q.t1, pc.xadvance * inv_rasterization_scale);
3131 }
3132 }
3133
3134 // Cleanup
3135 src_tmp_array.clear_destruct();
3136
3137 ImFontAtlasBuildFinish(atlas);
3138 return true;
3139}
3140
3141const ImFontBuilderIO* ImFontAtlasGetBuilderForStbTruetype()
3142{
3143 static ImFontBuilderIO io;
3144 io.FontBuilder_Build = ImFontAtlasBuildWithStbTruetype;
3145 return &io;
3146}
3147
3148#endif // IMGUI_ENABLE_STB_TRUETYPE
3149
3150void ImFontAtlasUpdateConfigDataPointers(ImFontAtlas* atlas)
3151{
3152 for (ImFontConfig& font_cfg : atlas->ConfigData)
3153 {
3154 ImFont* font = font_cfg.DstFont;
3155 if (!font_cfg.MergeMode)
3156 {
3157 font->ConfigData = &font_cfg;
3158 font->ConfigDataCount = 0;
3159 }
3160 font->ConfigDataCount++;
3161 }
3162}
3163
3164void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
3165{
3166 if (!font_config->MergeMode)
3167 {
3168 font->ClearOutputData();
3169 font->FontSize = font_config->SizePixels;
3170 IM_ASSERT(font->ConfigData == font_config);
3171 font->ContainerAtlas = atlas;
3172 font->Ascent = ascent;
3173 font->Descent = descent;
3174 }
3175}
3176
3177void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
3178{
3179 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
3180 IM_ASSERT(pack_context != NULL);
3181
3182 ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects;
3183 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
3184#ifdef __GNUC__
3185 if (user_rects.Size < 1) { __builtin_unreachable(); } // Workaround for GCC bug if IM_ASSERT() is defined to conditionally throw (see #5343)
3186#endif
3187
3188 const int pack_padding = atlas->TexGlyphPadding;
3189 ImVector<stbrp_rect> pack_rects;
3190 pack_rects.resize(user_rects.Size);
3191 memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes());
3192 for (int i = 0; i < user_rects.Size; i++)
3193 {
3194 pack_rects[i].w = user_rects[i].Width + pack_padding;
3195 pack_rects[i].h = user_rects[i].Height + pack_padding;
3196 }
3197 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
3198 for (int i = 0; i < pack_rects.Size; i++)
3199 if (pack_rects[i].was_packed)
3200 {
3201 user_rects[i].X = (unsigned short)pack_rects[i].x;
3202 user_rects[i].Y = (unsigned short)pack_rects[i].y;
3203 IM_ASSERT(pack_rects[i].w == user_rects[i].Width + pack_padding && pack_rects[i].h == user_rects[i].Height + pack_padding);
3204 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
3205 }
3206}
3207
3208void ImFontAtlasBuildRender8bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value)
3209{
3210 IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
3211 IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
3212 unsigned char* out_pixel = atlas->TexPixelsAlpha8 + x + (y * atlas->TexWidth);
3213 for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w)
3214 for (int off_x = 0; off_x < w; off_x++)
3215 out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : 0x00;
3216}
3217
3218void ImFontAtlasBuildRender32bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned int in_marker_pixel_value)
3219{
3220 IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth);
3221 IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight);
3222 unsigned int* out_pixel = atlas->TexPixelsRGBA32 + x + (y * atlas->TexWidth);
3223 for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w)
3224 for (int off_x = 0; off_x < w; off_x++)
3225 out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : IM_COL32_BLACK_TRANS;
3226}
3227
3228static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
3229{
3230 ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdMouseCursors);
3231 IM_ASSERT(r->IsPacked());
3232
3233 const int w = atlas->TexWidth;
3234 if (atlas->Flags & ImFontAtlasFlags_NoMouseCursors)
3235 {
3236 // White pixels only
3237 IM_ASSERT(r->Width == 2 && r->Height == 2);
3238 const int offset = (int)r->X + (int)r->Y * w;
3239 if (atlas->TexPixelsAlpha8 != NULL)
3240 {
3241 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
3242 }
3243 else
3244 {
3245 atlas->TexPixelsRGBA32[offset] = atlas->TexPixelsRGBA32[offset + 1] = atlas->TexPixelsRGBA32[offset + w] = atlas->TexPixelsRGBA32[offset + w + 1] = IM_COL32_WHITE;
3246 }
3247 }
3248 else
3249 {
3250 // White pixels and mouse cursor
3251 IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
3252 const int x_for_white = r->X;
3253 const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1;
3254 if (atlas->TexPixelsAlpha8 != NULL)
3255 {
3256 ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', 0xFF);
3257 ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', 0xFF);
3258 }
3259 else
3260 {
3261 ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', IM_COL32_WHITE);
3262 ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', IM_COL32_WHITE);
3263 }
3264 }
3265 atlas->TexUvWhitePixel = ImVec2((r->X + 0.5f) * atlas->TexUvScale.x, (r->Y + 0.5f) * atlas->TexUvScale.y);
3266}
3267
3268static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas)
3269{
3270 if (atlas->Flags & ImFontAtlasFlags_NoBakedLines)
3271 return;
3272
3273 // This generates a triangular shape in the texture, with the various line widths stacked on top of each other to allow interpolation between them
3274 ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdLines);
3275 IM_ASSERT(r->IsPacked());
3276 for (int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row
3277 {
3278 // Each line consists of at least two empty pixels at the ends, with a line of solid pixels in the middle
3279 int y = n;
3280 int line_width = n;
3281 int pad_left = (r->Width - line_width) / 2;
3282 int pad_right = r->Width - (pad_left + line_width);
3283
3284 // Write each slice
3285 IM_ASSERT(pad_left + line_width + pad_right == r->Width && y < r->Height); // Make sure we're inside the texture bounds before we start writing pixels
3286 if (atlas->TexPixelsAlpha8 != NULL)
3287 {
3288 unsigned char* write_ptr = &atlas->TexPixelsAlpha8[r->X + ((r->Y + y) * atlas->TexWidth)];
3289 for (int i = 0; i < pad_left; i++)
3290 *(write_ptr + i) = 0x00;
3291
3292 for (int i = 0; i < line_width; i++)
3293 *(write_ptr + pad_left + i) = 0xFF;
3294
3295 for (int i = 0; i < pad_right; i++)
3296 *(write_ptr + pad_left + line_width + i) = 0x00;
3297 }
3298 else
3299 {
3300 unsigned int* write_ptr = &atlas->TexPixelsRGBA32[r->X + ((r->Y + y) * atlas->TexWidth)];
3301 for (int i = 0; i < pad_left; i++)
3302 *(write_ptr + i) = IM_COL32(255, 255, 255, 0);
3303
3304 for (int i = 0; i < line_width; i++)
3305 *(write_ptr + pad_left + i) = IM_COL32_WHITE;
3306
3307 for (int i = 0; i < pad_right; i++)
3308 *(write_ptr + pad_left + line_width + i) = IM_COL32(255, 255, 255, 0);
3309 }
3310
3311 // Calculate UVs for this line
3312 ImVec2 uv0 = ImVec2((float)(r->X + pad_left - 1), (float)(r->Y + y)) * atlas->TexUvScale;
3313 ImVec2 uv1 = ImVec2((float)(r->X + pad_left + line_width + 1), (float)(r->Y + y + 1)) * atlas->TexUvScale;
3314 float half_v = (uv0.y + uv1.y) * 0.5f; // Calculate a constant V in the middle of the row to avoid sampling artifacts
3315 atlas->TexUvLines[n] = ImVec4(uv0.x, half_v, uv1.x, half_v);
3316 }
3317}
3318
3319// Note: this is called / shared by both the stb_truetype and the FreeType builder
3320void ImFontAtlasBuildInit(ImFontAtlas* atlas)
3321{
3322 // Register texture region for mouse cursors or standard white pixels
3323 if (atlas->PackIdMouseCursors < 0)
3324 {
3325 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
3326 atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H);
3327 else
3328 atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(2, 2);
3329 }
3330
3331 // Register texture region for thick lines
3332 // The +2 here is to give space for the end caps, whilst height +1 is to accommodate the fact we have a zero-width row
3333 if (atlas->PackIdLines < 0)
3334 {
3335 if (!(atlas->Flags & ImFontAtlasFlags_NoBakedLines))
3336 atlas->PackIdLines = atlas->AddCustomRectRegular(IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 2, IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1);
3337 }
3338}
3339
3340// This is called/shared by both the stb_truetype and the FreeType builder.
3341void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
3342{
3343 // Render into our custom data blocks
3344 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL || atlas->TexPixelsRGBA32 != NULL);
3345 ImFontAtlasBuildRenderDefaultTexData(atlas);
3346 ImFontAtlasBuildRenderLinesTexData(atlas);
3347
3348 // Register custom rectangle glyphs
3349 for (int i = 0; i < atlas->CustomRects.Size; i++)
3350 {
3351 const ImFontAtlasCustomRect* r = &atlas->CustomRects[i];
3352 if (r->Font == NULL || r->GlyphID == 0)
3353 continue;
3354
3355 // Will ignore ImFontConfig settings: GlyphMinAdvanceX, GlyphMinAdvanceY, PixelSnapH
3356 IM_ASSERT(r->Font->ContainerAtlas == atlas);
3357 ImVec2 uv0, uv1;
3358 atlas->CalcCustomRectUV(r, &uv0, &uv1);
3359 r->Font->AddGlyph(NULL, (ImWchar)r->GlyphID, r->GlyphOffset.x, r->GlyphOffset.y, r->GlyphOffset.x + r->Width, r->GlyphOffset.y + r->Height, uv0.x, uv0.y, uv1.x, uv1.y, r->GlyphAdvanceX);
3360 if (r->GlyphColored)
3361 r->Font->Glyphs.back().Colored = 1;
3362 }
3363
3364 // Build all fonts lookup tables
3365 for (ImFont* font : atlas->Fonts)
3366 if (font->DirtyLookupTables)
3367 font->BuildLookupTable();
3368
3369 atlas->TexReady = true;
3370}
3371
3372//-------------------------------------------------------------------------
3373// [SECTION] ImFontAtlas: glyph ranges helpers
3374//-------------------------------------------------------------------------
3375// - GetGlyphRangesDefault()
3376// - GetGlyphRangesGreek()
3377// - GetGlyphRangesKorean()
3378// - GetGlyphRangesChineseFull()
3379// - GetGlyphRangesChineseSimplifiedCommon()
3380// - GetGlyphRangesJapanese()
3381// - GetGlyphRangesCyrillic()
3382// - GetGlyphRangesThai()
3383// - GetGlyphRangesVietnamese()
3384//-----------------------------------------------------------------------------
3385
3386// Retrieve list of range (2 int per range, values are inclusive)
3387const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
3388{
3389 static const ImWchar ranges[] =
3390 {
3391 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3392 0,
3393 };
3394 return &ranges[0];
3395}
3396
3397const ImWchar* ImFontAtlas::GetGlyphRangesGreek()
3398{
3399 static const ImWchar ranges[] =
3400 {
3401 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3402 0x0370, 0x03FF, // Greek and Coptic
3403 0,
3404 };
3405 return &ranges[0];
3406}
3407
3408const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
3409{
3410 static const ImWchar ranges[] =
3411 {
3412 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3413 0x3131, 0x3163, // Korean alphabets
3414 0xAC00, 0xD7A3, // Korean characters
3415 0xFFFD, 0xFFFD, // Invalid
3416 0,
3417 };
3418 return &ranges[0];
3419}
3420
3421const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
3422{
3423 static const ImWchar ranges[] =
3424 {
3425 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3426 0x2000, 0x206F, // General Punctuation
3427 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3428 0x31F0, 0x31FF, // Katakana Phonetic Extensions
3429 0xFF00, 0xFFEF, // Half-width characters
3430 0xFFFD, 0xFFFD, // Invalid
3431 0x4e00, 0x9FAF, // CJK Ideograms
3432 0,
3433 };
3434 return &ranges[0];
3435}
3436
3437static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
3438{
3439 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
3440 {
3441 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
3442 base_codepoint += accumulative_offsets[n];
3443 }
3444 out_ranges[0] = 0;
3445}
3446
3447const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
3448{
3449 // Store 2500 regularly used characters for Simplified Chinese.
3450 // Sourced from https://zh.wiktionary.org/wiki/%E9%99%84%E5%BD%95:%E7%8E%B0%E4%BB%A3%E6%B1%89%E8%AF%AD%E5%B8%B8%E7%94%A8%E5%AD%97%E8%A1%A8
3451 // This table covers 97.97% of all characters used during the month in July, 1987.
3452 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
3453 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
3454 static const short accumulative_offsets_from_0x4E00[] =
3455 {
3456 0,1,2,4,1,1,1,1,2,1,3,2,1,2,2,1,1,1,1,1,5,2,1,2,3,3,3,2,2,4,1,1,1,2,1,5,2,3,1,2,1,2,1,1,2,1,1,2,2,1,4,1,1,1,1,5,10,1,2,19,2,1,2,1,2,1,2,1,2,
3457 1,5,1,6,3,2,1,2,2,1,1,1,4,8,5,1,1,4,1,1,3,1,2,1,5,1,2,1,1,1,10,1,1,5,2,4,6,1,4,2,2,2,12,2,1,1,6,1,1,1,4,1,1,4,6,5,1,4,2,2,4,10,7,1,1,4,2,4,
3458 2,1,4,3,6,10,12,5,7,2,14,2,9,1,1,6,7,10,4,7,13,1,5,4,8,4,1,1,2,28,5,6,1,1,5,2,5,20,2,2,9,8,11,2,9,17,1,8,6,8,27,4,6,9,20,11,27,6,68,2,2,1,1,
3459 1,2,1,2,2,7,6,11,3,3,1,1,3,1,2,1,1,1,1,1,3,1,1,8,3,4,1,5,7,2,1,4,4,8,4,2,1,2,1,1,4,5,6,3,6,2,12,3,1,3,9,2,4,3,4,1,5,3,3,1,3,7,1,5,1,1,1,1,2,
3460 3,4,5,2,3,2,6,1,1,2,1,7,1,7,3,4,5,15,2,2,1,5,3,22,19,2,1,1,1,1,2,5,1,1,1,6,1,1,12,8,2,9,18,22,4,1,1,5,1,16,1,2,7,10,15,1,1,6,2,4,1,2,4,1,6,
3461 1,1,3,2,4,1,6,4,5,1,2,1,1,2,1,10,3,1,3,2,1,9,3,2,5,7,2,19,4,3,6,1,1,1,1,1,4,3,2,1,1,1,2,5,3,1,1,1,2,2,1,1,2,1,1,2,1,3,1,1,1,3,7,1,4,1,1,2,1,
3462 1,2,1,2,4,4,3,8,1,1,1,2,1,3,5,1,3,1,3,4,6,2,2,14,4,6,6,11,9,1,15,3,1,28,5,2,5,5,3,1,3,4,5,4,6,14,3,2,3,5,21,2,7,20,10,1,2,19,2,4,28,28,2,3,
3463 2,1,14,4,1,26,28,42,12,40,3,52,79,5,14,17,3,2,2,11,3,4,6,3,1,8,2,23,4,5,8,10,4,2,7,3,5,1,1,6,3,1,2,2,2,5,28,1,1,7,7,20,5,3,29,3,17,26,1,8,4,
3464 27,3,6,11,23,5,3,4,6,13,24,16,6,5,10,25,35,7,3,2,3,3,14,3,6,2,6,1,4,2,3,8,2,1,1,3,3,3,4,1,1,13,2,2,4,5,2,1,14,14,1,2,2,1,4,5,2,3,1,14,3,12,
3465 3,17,2,16,5,1,2,1,8,9,3,19,4,2,2,4,17,25,21,20,28,75,1,10,29,103,4,1,2,1,1,4,2,4,1,2,3,24,2,2,2,1,1,2,1,3,8,1,1,1,2,1,1,3,1,1,1,6,1,5,3,1,1,
3466 1,3,4,1,1,5,2,1,5,6,13,9,16,1,1,1,1,3,2,3,2,4,5,2,5,2,2,3,7,13,7,2,2,1,1,1,1,2,3,3,2,1,6,4,9,2,1,14,2,14,2,1,18,3,4,14,4,11,41,15,23,15,23,
3467 176,1,3,4,1,1,1,1,5,3,1,2,3,7,3,1,1,2,1,2,4,4,6,2,4,1,9,7,1,10,5,8,16,29,1,1,2,2,3,1,3,5,2,4,5,4,1,1,2,2,3,3,7,1,6,10,1,17,1,44,4,6,2,1,1,6,
3468 5,4,2,10,1,6,9,2,8,1,24,1,2,13,7,8,8,2,1,4,1,3,1,3,3,5,2,5,10,9,4,9,12,2,1,6,1,10,1,1,7,7,4,10,8,3,1,13,4,3,1,6,1,3,5,2,1,2,17,16,5,2,16,6,
3469 1,4,2,1,3,3,6,8,5,11,11,1,3,3,2,4,6,10,9,5,7,4,7,4,7,1,1,4,2,1,3,6,8,7,1,6,11,5,5,3,24,9,4,2,7,13,5,1,8,82,16,61,1,1,1,4,2,2,16,10,3,8,1,1,
3470 6,4,2,1,3,1,1,1,4,3,8,4,2,2,1,1,1,1,1,6,3,5,1,1,4,6,9,2,1,1,1,2,1,7,2,1,6,1,5,4,4,3,1,8,1,3,3,1,3,2,2,2,2,3,1,6,1,2,1,2,1,3,7,1,8,2,1,2,1,5,
3471 2,5,3,5,10,1,2,1,1,3,2,5,11,3,9,3,5,1,1,5,9,1,2,1,5,7,9,9,8,1,3,3,3,6,8,2,3,2,1,1,32,6,1,2,15,9,3,7,13,1,3,10,13,2,14,1,13,10,2,1,3,10,4,15,
3472 2,15,15,10,1,3,9,6,9,32,25,26,47,7,3,2,3,1,6,3,4,3,2,8,5,4,1,9,4,2,2,19,10,6,2,3,8,1,2,2,4,2,1,9,4,4,4,6,4,8,9,2,3,1,1,1,1,3,5,5,1,3,8,4,6,
3473 2,1,4,12,1,5,3,7,13,2,5,8,1,6,1,2,5,14,6,1,5,2,4,8,15,5,1,23,6,62,2,10,1,1,8,1,2,2,10,4,2,2,9,2,1,1,3,2,3,1,5,3,3,2,1,3,8,1,1,1,11,3,1,1,4,
3474 3,7,1,14,1,2,3,12,5,2,5,1,6,7,5,7,14,11,1,3,1,8,9,12,2,1,11,8,4,4,2,6,10,9,13,1,1,3,1,5,1,3,2,4,4,1,18,2,3,14,11,4,29,4,2,7,1,3,13,9,2,2,5,
3475 3,5,20,7,16,8,5,72,34,6,4,22,12,12,28,45,36,9,7,39,9,191,1,1,1,4,11,8,4,9,2,3,22,1,1,1,1,4,17,1,7,7,1,11,31,10,2,4,8,2,3,2,1,4,2,16,4,32,2,
3476 3,19,13,4,9,1,5,2,14,8,1,1,3,6,19,6,5,1,16,6,2,10,8,5,1,2,3,1,5,5,1,11,6,6,1,3,3,2,6,3,8,1,1,4,10,7,5,7,7,5,8,9,2,1,3,4,1,1,3,1,3,3,2,6,16,
3477 1,4,6,3,1,10,6,1,3,15,2,9,2,10,25,13,9,16,6,2,2,10,11,4,3,9,1,2,6,6,5,4,30,40,1,10,7,12,14,33,6,3,6,7,3,1,3,1,11,14,4,9,5,12,11,49,18,51,31,
3478 140,31,2,2,1,5,1,8,1,10,1,4,4,3,24,1,10,1,3,6,6,16,3,4,5,2,1,4,2,57,10,6,22,2,22,3,7,22,6,10,11,36,18,16,33,36,2,5,5,1,1,1,4,10,1,4,13,2,7,
3479 5,2,9,3,4,1,7,43,3,7,3,9,14,7,9,1,11,1,1,3,7,4,18,13,1,14,1,3,6,10,73,2,2,30,6,1,11,18,19,13,22,3,46,42,37,89,7,3,16,34,2,2,3,9,1,7,1,1,1,2,
3480 2,4,10,7,3,10,3,9,5,28,9,2,6,13,7,3,1,3,10,2,7,2,11,3,6,21,54,85,2,1,4,2,2,1,39,3,21,2,2,5,1,1,1,4,1,1,3,4,15,1,3,2,4,4,2,3,8,2,20,1,8,7,13,
3481 4,1,26,6,2,9,34,4,21,52,10,4,4,1,5,12,2,11,1,7,2,30,12,44,2,30,1,1,3,6,16,9,17,39,82,2,2,24,7,1,7,3,16,9,14,44,2,1,2,1,2,3,5,2,4,1,6,7,5,3,
3482 2,6,1,11,5,11,2,1,18,19,8,1,3,24,29,2,1,3,5,2,2,1,13,6,5,1,46,11,3,5,1,1,5,8,2,10,6,12,6,3,7,11,2,4,16,13,2,5,1,1,2,2,5,2,28,5,2,23,10,8,4,
3483 4,22,39,95,38,8,14,9,5,1,13,5,4,3,13,12,11,1,9,1,27,37,2,5,4,4,63,211,95,2,2,2,1,3,5,2,1,1,2,2,1,1,1,3,2,4,1,2,1,1,5,2,2,1,1,2,3,1,3,1,1,1,
3484 3,1,4,2,1,3,6,1,1,3,7,15,5,3,2,5,3,9,11,4,2,22,1,6,3,8,7,1,4,28,4,16,3,3,25,4,4,27,27,1,4,1,2,2,7,1,3,5,2,28,8,2,14,1,8,6,16,25,3,3,3,14,3,
3485 3,1,1,2,1,4,6,3,8,4,1,1,1,2,3,6,10,6,2,3,18,3,2,5,5,4,3,1,5,2,5,4,23,7,6,12,6,4,17,11,9,5,1,1,10,5,12,1,1,11,26,33,7,3,6,1,17,7,1,5,12,1,11,
3486 2,4,1,8,14,17,23,1,2,1,7,8,16,11,9,6,5,2,6,4,16,2,8,14,1,11,8,9,1,1,1,9,25,4,11,19,7,2,15,2,12,8,52,7,5,19,2,16,4,36,8,1,16,8,24,26,4,6,2,9,
3487 5,4,36,3,28,12,25,15,37,27,17,12,59,38,5,32,127,1,2,9,17,14,4,1,2,1,1,8,11,50,4,14,2,19,16,4,17,5,4,5,26,12,45,2,23,45,104,30,12,8,3,10,2,2,
3488 3,3,1,4,20,7,2,9,6,15,2,20,1,3,16,4,11,15,6,134,2,5,59,1,2,2,2,1,9,17,3,26,137,10,211,59,1,2,4,1,4,1,1,1,2,6,2,3,1,1,2,3,2,3,1,3,4,4,2,3,3,
3489 1,4,3,1,7,2,2,3,1,2,1,3,3,3,2,2,3,2,1,3,14,6,1,3,2,9,6,15,27,9,34,145,1,1,2,1,1,1,1,2,1,1,1,1,2,2,2,3,1,2,1,1,1,2,3,5,8,3,5,2,4,1,3,2,2,2,12,
3490 4,1,1,1,10,4,5,1,20,4,16,1,15,9,5,12,2,9,2,5,4,2,26,19,7,1,26,4,30,12,15,42,1,6,8,172,1,1,4,2,1,1,11,2,2,4,2,1,2,1,10,8,1,2,1,4,5,1,2,5,1,8,
3491 4,1,3,4,2,1,6,2,1,3,4,1,2,1,1,1,1,12,5,7,2,4,3,1,1,1,3,3,6,1,2,2,3,3,3,2,1,2,12,14,11,6,6,4,12,2,8,1,7,10,1,35,7,4,13,15,4,3,23,21,28,52,5,
3492 26,5,6,1,7,10,2,7,53,3,2,1,1,1,2,163,532,1,10,11,1,3,3,4,8,2,8,6,2,2,23,22,4,2,2,4,2,1,3,1,3,3,5,9,8,2,1,2,8,1,10,2,12,21,20,15,105,2,3,1,1,
3493 3,2,3,1,1,2,5,1,4,15,11,19,1,1,1,1,5,4,5,1,1,2,5,3,5,12,1,2,5,1,11,1,1,15,9,1,4,5,3,26,8,2,1,3,1,1,15,19,2,12,1,2,5,2,7,2,19,2,20,6,26,7,5,
3494 2,2,7,34,21,13,70,2,128,1,1,2,1,1,2,1,1,3,2,2,2,15,1,4,1,3,4,42,10,6,1,49,85,8,1,2,1,1,4,4,2,3,6,1,5,7,4,3,211,4,1,2,1,2,5,1,2,4,2,2,6,5,6,
3495 10,3,4,48,100,6,2,16,296,5,27,387,2,2,3,7,16,8,5,38,15,39,21,9,10,3,7,59,13,27,21,47,5,21,6
3496 };
3497 static ImWchar base_ranges[] = // not zero-terminated
3498 {
3499 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3500 0x2000, 0x206F, // General Punctuation
3501 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3502 0x31F0, 0x31FF, // Katakana Phonetic Extensions
3503 0xFF00, 0xFFEF, // Half-width characters
3504 0xFFFD, 0xFFFD // Invalid
3505 };
3506 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
3507 if (!full_ranges[0])
3508 {
3509 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
3510 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
3511 }
3512 return &full_ranges[0];
3513}
3514
3515const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
3516{
3517 // 2999 ideograms code points for Japanese
3518 // - 2136 Joyo (meaning "for regular use" or "for common use") Kanji code points
3519 // - 863 Jinmeiyo (meaning "for personal name") Kanji code points
3520 // - Sourced from official information provided by the government agencies of Japan:
3521 // - List of Joyo Kanji by the Agency for Cultural Affairs
3522 // - https://www.bunka.go.jp/kokugo_nihongo/sisaku/joho/joho/kijun/naikaku/kanji/
3523 // - List of Jinmeiyo Kanji by the Ministry of Justice
3524 // - http://www.moj.go.jp/MINJI/minji86.html
3525 // - Available under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0).
3526 // - https://creativecommons.org/licenses/by/4.0/legalcode
3527 // - You can generate this code by the script at:
3528 // - https://github.com/vaiorabbit/everyday_use_kanji
3529 // - References:
3530 // - List of Joyo Kanji
3531 // - (Wikipedia) https://en.wikipedia.org/wiki/List_of_j%C5%8Dy%C5%8D_kanji
3532 // - List of Jinmeiyo Kanji
3533 // - (Wikipedia) https://en.wikipedia.org/wiki/Jinmeiy%C5%8D_kanji
3534 // - Missing 1 Joyo Kanji: U+20B9F (Kun'yomi: Shikaru, On'yomi: Shitsu,shichi), see https://github.com/ocornut/imgui/pull/3627 for details.
3535 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
3536 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
3537 static const short accumulative_offsets_from_0x4E00[] =
3538 {
3539 0,1,2,4,1,1,1,1,2,1,3,3,2,2,1,5,3,5,7,5,6,1,2,1,7,2,6,3,1,8,1,1,4,1,1,18,2,11,2,6,2,1,2,1,5,1,2,1,3,1,2,1,2,3,3,1,1,2,3,1,1,1,12,7,9,1,4,5,1,
3540 1,2,1,10,1,1,9,2,2,4,5,6,9,3,1,1,1,1,9,3,18,5,2,2,2,2,1,6,3,7,1,1,1,1,2,2,4,2,1,23,2,10,4,3,5,2,4,10,2,4,13,1,6,1,9,3,1,1,6,6,7,6,3,1,2,11,3,
3541 2,2,3,2,15,2,2,5,4,3,6,4,1,2,5,2,12,16,6,13,9,13,2,1,1,7,16,4,7,1,19,1,5,1,2,2,7,7,8,2,6,5,4,9,18,7,4,5,9,13,11,8,15,2,1,1,1,2,1,2,2,1,2,2,8,
3542 2,9,3,3,1,1,4,4,1,1,1,4,9,1,4,3,5,5,2,7,5,3,4,8,2,1,13,2,3,3,1,14,1,1,4,5,1,3,6,1,5,2,1,1,3,3,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1,1,1,1,12,3,3,9,5,
3543 2,6,1,5,6,1,2,3,18,2,4,14,4,1,3,6,1,1,6,3,5,5,3,2,2,2,2,12,3,1,4,2,3,2,3,11,1,7,4,1,2,1,3,17,1,9,1,24,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,2,4,15,1,
3544 1,2,1,1,2,1,5,2,5,20,2,5,9,1,10,8,7,6,1,1,1,1,1,1,6,2,1,2,8,1,1,1,1,5,1,1,3,1,1,1,1,3,1,1,12,4,1,3,1,1,1,1,1,10,3,1,7,5,13,1,2,3,4,6,1,1,30,
3545 2,9,9,1,15,38,11,3,1,8,24,7,1,9,8,10,2,1,9,31,2,13,6,2,9,4,49,5,2,15,2,1,10,2,1,1,1,2,2,6,15,30,35,3,14,18,8,1,16,10,28,12,19,45,38,1,3,2,3,
3546 13,2,1,7,3,6,5,3,4,3,1,5,7,8,1,5,3,18,5,3,6,1,21,4,24,9,24,40,3,14,3,21,3,2,1,2,4,2,3,1,15,15,6,5,1,1,3,1,5,6,1,9,7,3,3,2,1,4,3,8,21,5,16,4,
3547 5,2,10,11,11,3,6,3,2,9,3,6,13,1,2,1,1,1,1,11,12,6,6,1,4,2,6,5,2,1,1,3,3,6,13,3,1,1,5,1,2,3,3,14,2,1,2,2,2,5,1,9,5,1,1,6,12,3,12,3,4,13,2,14,
3548 2,8,1,17,5,1,16,4,2,2,21,8,9,6,23,20,12,25,19,9,38,8,3,21,40,25,33,13,4,3,1,4,1,2,4,1,2,5,26,2,1,1,2,1,3,6,2,1,1,1,1,1,1,2,3,1,1,1,9,2,3,1,1,
3549 1,3,6,3,2,1,1,6,6,1,8,2,2,2,1,4,1,2,3,2,7,3,2,4,1,2,1,2,2,1,1,1,1,1,3,1,2,5,4,10,9,4,9,1,1,1,1,1,1,5,3,2,1,6,4,9,6,1,10,2,31,17,8,3,7,5,40,1,
3550 7,7,1,6,5,2,10,7,8,4,15,39,25,6,28,47,18,10,7,1,3,1,1,2,1,1,1,3,3,3,1,1,1,3,4,2,1,4,1,3,6,10,7,8,6,2,2,1,3,3,2,5,8,7,9,12,2,15,1,1,4,1,2,1,1,
3551 1,3,2,1,3,3,5,6,2,3,2,10,1,4,2,8,1,1,1,11,6,1,21,4,16,3,1,3,1,4,2,3,6,5,1,3,1,1,3,3,4,6,1,1,10,4,2,7,10,4,7,4,2,9,4,3,1,1,1,4,1,8,3,4,1,3,1,
3552 6,1,4,2,1,4,7,2,1,8,1,4,5,1,1,2,2,4,6,2,7,1,10,1,1,3,4,11,10,8,21,4,6,1,3,5,2,1,2,28,5,5,2,3,13,1,2,3,1,4,2,1,5,20,3,8,11,1,3,3,3,1,8,10,9,2,
3553 10,9,2,3,1,1,2,4,1,8,3,6,1,7,8,6,11,1,4,29,8,4,3,1,2,7,13,1,4,1,6,2,6,12,12,2,20,3,2,3,6,4,8,9,2,7,34,5,1,18,6,1,1,4,4,5,7,9,1,2,2,4,3,4,1,7,
3554 2,2,2,6,2,3,25,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,5,3,4,4,3,2,1,1,4,1,2,1,1,3,1,11,1,6,3,1,7,3,6,2,8,8,6,9,3,4,11,3,2,10,12,2,5,11,1,6,4,5,
3555 3,1,8,5,4,6,6,3,5,1,1,3,2,1,2,2,6,17,12,1,10,1,6,12,1,6,6,19,9,6,16,1,13,4,4,15,7,17,6,11,9,15,12,6,7,2,1,2,2,15,9,3,21,4,6,49,18,7,3,2,3,1,
3556 6,8,2,2,6,2,9,1,3,6,4,4,1,2,16,2,5,2,1,6,2,3,5,3,1,2,5,1,2,1,9,3,1,8,6,4,8,11,3,1,1,1,1,3,1,13,8,4,1,3,2,2,1,4,1,11,1,5,2,1,5,2,5,8,6,1,1,7,
3557 4,3,8,3,2,7,2,1,5,1,5,2,4,7,6,2,8,5,1,11,4,5,3,6,18,1,2,13,3,3,1,21,1,1,4,1,4,1,1,1,8,1,2,2,7,1,2,4,2,2,9,2,1,1,1,4,3,6,3,12,5,1,1,1,5,6,3,2,
3558 4,8,2,2,4,2,7,1,8,9,5,2,3,2,1,3,2,13,7,14,6,5,1,1,2,1,4,2,23,2,1,1,6,3,1,4,1,15,3,1,7,3,9,14,1,3,1,4,1,1,5,8,1,3,8,3,8,15,11,4,14,4,4,2,5,5,
3559 1,7,1,6,14,7,7,8,5,15,4,8,6,5,6,2,1,13,1,20,15,11,9,2,5,6,2,11,2,6,2,5,1,5,8,4,13,19,25,4,1,1,11,1,34,2,5,9,14,6,2,2,6,1,1,14,1,3,14,13,1,6,
3560 12,21,14,14,6,32,17,8,32,9,28,1,2,4,11,8,3,1,14,2,5,15,1,1,1,1,3,6,4,1,3,4,11,3,1,1,11,30,1,5,1,4,1,5,8,1,1,3,2,4,3,17,35,2,6,12,17,3,1,6,2,
3561 1,1,12,2,7,3,3,2,1,16,2,8,3,6,5,4,7,3,3,8,1,9,8,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,4,3,7,5,8,3,3,3,3,3,3,1,23,10,3,1,2,2,6,3,1,16,1,16,
3562 22,3,10,4,11,6,9,7,7,3,6,2,2,2,4,10,2,1,1,2,8,7,1,6,4,1,3,3,3,5,10,12,12,2,3,12,8,15,1,1,16,6,6,1,5,9,11,4,11,4,2,6,12,1,17,5,13,1,4,9,5,1,11,
3563 2,1,8,1,5,7,28,8,3,5,10,2,17,3,38,22,1,2,18,12,10,4,38,18,1,4,44,19,4,1,8,4,1,12,1,4,31,12,1,14,7,75,7,5,10,6,6,13,3,2,11,11,3,2,5,28,15,6,18,
3564 18,5,6,4,3,16,1,7,18,7,36,3,5,3,1,7,1,9,1,10,7,2,4,2,6,2,9,7,4,3,32,12,3,7,10,2,23,16,3,1,12,3,31,4,11,1,3,8,9,5,1,30,15,6,12,3,2,2,11,19,9,
3565 14,2,6,2,3,19,13,17,5,3,3,25,3,14,1,1,1,36,1,3,2,19,3,13,36,9,13,31,6,4,16,34,2,5,4,2,3,3,5,1,1,1,4,3,1,17,3,2,3,5,3,1,3,2,3,5,6,3,12,11,1,3,
3566 1,2,26,7,12,7,2,14,3,3,7,7,11,25,25,28,16,4,36,1,2,1,6,2,1,9,3,27,17,4,3,4,13,4,1,3,2,2,1,10,4,2,4,6,3,8,2,1,18,1,1,24,2,2,4,33,2,3,63,7,1,6,
3567 40,7,3,4,4,2,4,15,18,1,16,1,1,11,2,41,14,1,3,18,13,3,2,4,16,2,17,7,15,24,7,18,13,44,2,2,3,6,1,1,7,5,1,7,1,4,3,3,5,10,8,2,3,1,8,1,1,27,4,2,1,
3568 12,1,2,1,10,6,1,6,7,5,2,3,7,11,5,11,3,6,6,2,3,15,4,9,1,1,2,1,2,11,2,8,12,8,5,4,2,3,1,5,2,2,1,14,1,12,11,4,1,11,17,17,4,3,2,5,5,7,3,1,5,9,9,8,
3569 2,5,6,6,13,13,2,1,2,6,1,2,2,49,4,9,1,2,10,16,7,8,4,3,2,23,4,58,3,29,1,14,19,19,11,11,2,7,5,1,3,4,6,2,18,5,12,12,17,17,3,3,2,4,1,6,2,3,4,3,1,
3570 1,1,1,5,1,1,9,1,3,1,3,6,1,8,1,1,2,6,4,14,3,1,4,11,4,1,3,32,1,2,4,13,4,1,2,4,2,1,3,1,11,1,4,2,1,4,4,6,3,5,1,6,5,7,6,3,23,3,5,3,5,3,3,13,3,9,10,
3571 1,12,10,2,3,18,13,7,160,52,4,2,2,3,2,14,5,4,12,4,6,4,1,20,4,11,6,2,12,27,1,4,1,2,2,7,4,5,2,28,3,7,25,8,3,19,3,6,10,2,2,1,10,2,5,4,1,3,4,1,5,
3572 3,2,6,9,3,6,2,16,3,3,16,4,5,5,3,2,1,2,16,15,8,2,6,21,2,4,1,22,5,8,1,1,21,11,2,1,11,11,19,13,12,4,2,3,2,3,6,1,8,11,1,4,2,9,5,2,1,11,2,9,1,1,2,
3573 14,31,9,3,4,21,14,4,8,1,7,2,2,2,5,1,4,20,3,3,4,10,1,11,9,8,2,1,4,5,14,12,14,2,17,9,6,31,4,14,1,20,13,26,5,2,7,3,6,13,2,4,2,19,6,2,2,18,9,3,5,
3574 12,12,14,4,6,2,3,6,9,5,22,4,5,25,6,4,8,5,2,6,27,2,35,2,16,3,7,8,8,6,6,5,9,17,2,20,6,19,2,13,3,1,1,1,4,17,12,2,14,7,1,4,18,12,38,33,2,10,1,1,
3575 2,13,14,17,11,50,6,33,20,26,74,16,23,45,50,13,38,33,6,6,7,4,4,2,1,3,2,5,8,7,8,9,3,11,21,9,13,1,3,10,6,7,1,2,2,18,5,5,1,9,9,2,68,9,19,13,2,5,
3576 1,4,4,7,4,13,3,9,10,21,17,3,26,2,1,5,2,4,5,4,1,7,4,7,3,4,2,1,6,1,1,20,4,1,9,2,2,1,3,3,2,3,2,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,3,2,10,3,5,3,4,4,
3577 3,4,16,1,6,1,10,2,4,2,1,1,2,10,11,2,2,3,1,24,31,4,10,10,2,5,12,16,164,15,4,16,7,9,15,19,17,1,2,1,1,5,1,1,1,1,1,3,1,4,3,1,3,1,3,1,2,1,1,3,3,7,
3578 2,8,1,2,2,2,1,3,4,3,7,8,12,92,2,10,3,1,3,14,5,25,16,42,4,7,7,4,2,21,5,27,26,27,21,25,30,31,2,1,5,13,3,22,5,6,6,11,9,12,1,5,9,7,5,5,22,60,3,5,
3579 13,1,1,8,1,1,3,3,2,1,9,3,3,18,4,1,2,3,7,6,3,1,2,3,9,1,3,1,3,2,1,3,1,1,1,2,1,11,3,1,6,9,1,3,2,3,1,2,1,5,1,1,4,3,4,1,2,2,4,4,1,7,2,1,2,2,3,5,13,
3580 18,3,4,14,9,9,4,16,3,7,5,8,2,6,48,28,3,1,1,4,2,14,8,2,9,2,1,15,2,4,3,2,10,16,12,8,7,1,1,3,1,1,1,2,7,4,1,6,4,38,39,16,23,7,15,15,3,2,12,7,21,
3581 37,27,6,5,4,8,2,10,8,8,6,5,1,2,1,3,24,1,16,17,9,23,10,17,6,1,51,55,44,13,294,9,3,6,2,4,2,2,15,1,1,1,13,21,17,68,14,8,9,4,1,4,9,3,11,7,1,1,1,
3582 5,6,3,2,1,1,1,2,3,8,1,2,2,4,1,5,5,2,1,4,3,7,13,4,1,4,1,3,1,1,1,5,5,10,1,6,1,5,2,1,5,2,4,1,4,5,7,3,18,2,9,11,32,4,3,3,2,4,7,11,16,9,11,8,13,38,
3583 32,8,4,2,1,1,2,1,2,4,4,1,1,1,4,1,21,3,11,1,16,1,1,6,1,3,2,4,9,8,57,7,44,1,3,3,13,3,10,1,1,7,5,2,7,21,47,63,3,15,4,7,1,16,1,1,2,8,2,3,42,15,4,
3584 1,29,7,22,10,3,78,16,12,20,18,4,67,11,5,1,3,15,6,21,31,32,27,18,13,71,35,5,142,4,10,1,2,50,19,33,16,35,37,16,19,27,7,1,133,19,1,4,8,7,20,1,4,
3585 4,1,10,3,1,6,1,2,51,5,40,15,24,43,22928,11,1,13,154,70,3,1,1,7,4,10,1,2,1,1,2,1,2,1,2,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,
3586 3,2,1,1,1,1,2,1,1,
3587 };
3588 static ImWchar base_ranges[] = // not zero-terminated
3589 {
3590 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3591 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
3592 0x31F0, 0x31FF, // Katakana Phonetic Extensions
3593 0xFF00, 0xFFEF, // Half-width characters
3594 0xFFFD, 0xFFFD // Invalid
3595 };
3596 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
3597 if (!full_ranges[0])
3598 {
3599 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
3600 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
3601 }
3602 return &full_ranges[0];
3603}
3604
3605const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
3606{
3607 static const ImWchar ranges[] =
3608 {
3609 0x0020, 0x00FF, // Basic Latin + Latin Supplement
3610 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
3611 0x2DE0, 0x2DFF, // Cyrillic Extended-A
3612 0xA640, 0xA69F, // Cyrillic Extended-B
3613 0,
3614 };
3615 return &ranges[0];
3616}
3617
3618const ImWchar* ImFontAtlas::GetGlyphRangesThai()
3619{
3620 static const ImWchar ranges[] =
3621 {
3622 0x0020, 0x00FF, // Basic Latin
3623 0x2010, 0x205E, // Punctuations
3624 0x0E00, 0x0E7F, // Thai
3625 0,
3626 };
3627 return &ranges[0];
3628}
3629
3630const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese()
3631{
3632 static const ImWchar ranges[] =
3633 {
3634 0x0020, 0x00FF, // Basic Latin
3635 0x0102, 0x0103,
3636 0x0110, 0x0111,
3637 0x0128, 0x0129,
3638 0x0168, 0x0169,
3639 0x01A0, 0x01A1,
3640 0x01AF, 0x01B0,
3641 0x1EA0, 0x1EF9,
3642 0,
3643 };
3644 return &ranges[0];
3645}
3646
3647//-----------------------------------------------------------------------------
3648// [SECTION] ImFontGlyphRangesBuilder
3649//-----------------------------------------------------------------------------
3650
3651void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
3652{
3653 while (text_end ? (text < text_end) : *text)
3654 {
3655 unsigned int c = 0;
3656 int c_len = ImTextCharFromUtf8(&c, text, text_end);
3657 text += c_len;
3658 if (c_len == 0)
3659 break;
3660 AddChar((ImWchar)c);
3661 }
3662}
3663
3664void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
3665{
3666 for (; ranges[0]; ranges += 2)
3667 for (unsigned int c = ranges[0]; c <= ranges[1] && c <= IM_UNICODE_CODEPOINT_MAX; c++) //-V560
3668 AddChar((ImWchar)c);
3669}
3670
3671void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
3672{
3673 const int max_codepoint = IM_UNICODE_CODEPOINT_MAX;
3674 for (int n = 0; n <= max_codepoint; n++)
3675 if (GetBit(n))
3676 {
3677 out_ranges->push_back((ImWchar)n);
3678 while (n < max_codepoint && GetBit(n + 1))
3679 n++;
3680 out_ranges->push_back((ImWchar)n);
3681 }
3682 out_ranges->push_back(0);
3683}
3684
3685//-----------------------------------------------------------------------------
3686// [SECTION] ImFont
3687//-----------------------------------------------------------------------------
3688
3689ImFont::ImFont()
3690{
3691 memset(this, 0, sizeof(*this));
3692 Scale = 1.0f;
3693}
3694
3695ImFont::~ImFont()
3696{
3697 ClearOutputData();
3698}
3699
3700void ImFont::ClearOutputData()
3701{
3702 FontSize = 0.0f;
3703 FallbackAdvanceX = 0.0f;
3704 Glyphs.clear();
3705 IndexAdvanceX.clear();
3706 IndexLookup.clear();
3707 FallbackGlyph = NULL;
3708 ContainerAtlas = NULL;
3709 DirtyLookupTables = true;
3710 Ascent = Descent = 0.0f;
3711 MetricsTotalSurface = 0;
3712 memset(Used8kPagesMap, 0, sizeof(Used8kPagesMap));
3713}
3714
3715static ImWchar FindFirstExistingGlyph(ImFont* font, const ImWchar* candidate_chars, int candidate_chars_count)
3716{
3717 for (int n = 0; n < candidate_chars_count; n++)
3718 if (font->FindGlyphNoFallback(candidate_chars[n]) != NULL)
3719 return candidate_chars[n];
3720 return 0;
3721}
3722
3723void ImFont::BuildLookupTable()
3724{
3725 int max_codepoint = 0;
3726 for (int i = 0; i != Glyphs.Size; i++)
3727 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
3728
3729 // Build lookup table
3730 IM_ASSERT(Glyphs.Size > 0 && "Font has not loaded glyph!");
3731 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
3732 IndexAdvanceX.clear();
3733 IndexLookup.clear();
3734 DirtyLookupTables = false;
3735 memset(Used8kPagesMap, 0, sizeof(Used8kPagesMap));
3736 GrowIndex(max_codepoint + 1);
3737 for (int i = 0; i < Glyphs.Size; i++)
3738 {
3739 int codepoint = (int)Glyphs[i].Codepoint;
3740 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
3741 IndexLookup[codepoint] = (ImU16)i;
3742
3743 // Mark 4K page as used
3744 const int page_n = codepoint / 8192;
3745 Used8kPagesMap[page_n >> 3] |= 1 << (page_n & 7);
3746 }
3747
3748 // Create a glyph to handle TAB
3749 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
3750 if (FindGlyph((ImWchar)' '))
3751 {
3752 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky)
3753 Glyphs.resize(Glyphs.Size + 1);
3754 ImFontGlyph& tab_glyph = Glyphs.back();
3755 tab_glyph = *FindGlyph((ImWchar)' ');
3756 tab_glyph.Codepoint = '\t';
3757 tab_glyph.AdvanceX *= IM_TABSIZE;
3758 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
3759 IndexLookup[(int)tab_glyph.Codepoint] = (ImU16)(Glyphs.Size - 1);
3760 }
3761
3762 // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons)
3763 if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)' '))
3764 glyph->Visible = false;
3765 if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)'\t'))
3766 glyph->Visible = false;
3767
3768 // Setup Fallback character
3769 const ImWchar fallback_chars[] = { (ImWchar)IM_UNICODE_CODEPOINT_INVALID, (ImWchar)'?', (ImWchar)' ' };
3770 FallbackGlyph = FindGlyphNoFallback(FallbackChar);
3771 if (FallbackGlyph == NULL)
3772 {
3773 FallbackChar = FindFirstExistingGlyph(this, fallback_chars, IM_ARRAYSIZE(fallback_chars));
3774 FallbackGlyph = FindGlyphNoFallback(FallbackChar);
3775 if (FallbackGlyph == NULL)
3776 {
3777 FallbackGlyph = &Glyphs.back();
3778 FallbackChar = (ImWchar)FallbackGlyph->Codepoint;
3779 }
3780 }
3781 FallbackAdvanceX = FallbackGlyph->AdvanceX;
3782 for (int i = 0; i < max_codepoint + 1; i++)
3783 if (IndexAdvanceX[i] < 0.0f)
3784 IndexAdvanceX[i] = FallbackAdvanceX;
3785
3786 // Setup Ellipsis character. It is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis).
3787 // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character.
3788 // FIXME: Note that 0x2026 is rarely included in our font ranges. Because of this we are more likely to use three individual dots.
3789 const ImWchar ellipsis_chars[] = { ConfigData->EllipsisChar, (ImWchar)0x2026, (ImWchar)0x0085 };
3790 const ImWchar dots_chars[] = { (ImWchar)'.', (ImWchar)0xFF0E };
3791 if (EllipsisChar == 0)
3792 EllipsisChar = FindFirstExistingGlyph(this, ellipsis_chars, IM_ARRAYSIZE(ellipsis_chars));
3793 const ImWchar dot_char = FindFirstExistingGlyph(this, dots_chars, IM_ARRAYSIZE(dots_chars));
3794 if (EllipsisChar != 0)
3795 {
3796 EllipsisCharCount = 1;
3797 EllipsisWidth = EllipsisCharStep = FindGlyph(EllipsisChar)->X1;
3798 }
3799 else if (dot_char != 0)
3800 {
3801 const ImFontGlyph* dot_glyph = FindGlyph(dot_char);
3802 EllipsisChar = dot_char;
3803 EllipsisCharCount = 3;
3804 EllipsisCharStep = (float)(int)(dot_glyph->X1 - dot_glyph->X0) + 1.0f;
3805 EllipsisWidth = ImMax(dot_glyph->AdvanceX, dot_glyph->X0 + EllipsisCharStep * 3.0f - 1.0f); // FIXME: Slightly odd for normally mono-space fonts but since this is used for trailing contents.
3806 }
3807}
3808
3809// API is designed this way to avoid exposing the 8K page size
3810// e.g. use with IsGlyphRangeUnused(0, 255)
3811bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last)
3812{
3813 unsigned int page_begin = (c_begin / 8192);
3814 unsigned int page_last = (c_last / 8192);
3815 for (unsigned int page_n = page_begin; page_n <= page_last; page_n++)
3816 if ((page_n >> 3) < sizeof(Used8kPagesMap))
3817 if (Used8kPagesMap[page_n >> 3] & (1 << (page_n & 7)))
3818 return false;
3819 return true;
3820}
3821
3822void ImFont::GrowIndex(int new_size)
3823{
3824 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
3825 if (new_size <= IndexLookup.Size)
3826 return;
3827 IndexAdvanceX.resize(new_size, -1.0f);
3828 IndexLookup.resize(new_size, (ImU16)-1);
3829}
3830
3831// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
3832// Not to be mistaken with texture coordinates, which are held by u0/v0/u1/v1 in normalized format (0.0..1.0 on each texture axis).
3833// 'cfg' is not necessarily == 'this->ConfigData' because multiple source fonts+configs can be used to build one target font.
3834void ImFont::AddGlyph(const ImFontConfig* cfg, ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
3835{
3836 if (cfg != NULL)
3837 {
3838 // Clamp & recenter if needed
3839 const float advance_x_original = advance_x;
3840 advance_x = ImClamp(advance_x, cfg->GlyphMinAdvanceX, cfg->GlyphMaxAdvanceX);
3841 if (advance_x != advance_x_original)
3842 {
3843 float char_off_x = cfg->PixelSnapH ? ImTrunc((advance_x - advance_x_original) * 0.5f) : (advance_x - advance_x_original) * 0.5f;
3844 x0 += char_off_x;
3845 x1 += char_off_x;
3846 }
3847
3848 // Snap to pixel
3849 if (cfg->PixelSnapH)
3850 advance_x = IM_ROUND(advance_x);
3851
3852 // Bake extra spacing
3853 advance_x += cfg->GlyphExtraAdvanceX;
3854 }
3855
3856 int glyph_idx = Glyphs.Size;
3857 Glyphs.resize(Glyphs.Size + 1);
3858 ImFontGlyph& glyph = Glyphs[glyph_idx];
3859 glyph.Codepoint = (unsigned int)codepoint;
3860 glyph.Visible = (x0 != x1) && (y0 != y1);
3861 glyph.Colored = false;
3862 glyph.X0 = x0;
3863 glyph.Y0 = y0;
3864 glyph.X1 = x1;
3865 glyph.Y1 = y1;
3866 glyph.U0 = u0;
3867 glyph.V0 = v0;
3868 glyph.U1 = u1;
3869 glyph.V1 = v1;
3870 glyph.AdvanceX = advance_x;
3871 IM_ASSERT(Glyphs.Size < 0xFFFF); // IndexLookup[] hold 16-bit values and -1 is reserved.
3872
3873 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
3874 // We use (U1-U0)*TexWidth instead of X1-X0 to account for oversampling.
3875 float pad = ContainerAtlas->TexGlyphPadding + 0.99f;
3876 DirtyLookupTables = true;
3877 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + pad) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + pad);
3878}
3879
3880void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
3881{
3882 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
3883 unsigned int index_size = (unsigned int)IndexLookup.Size;
3884
3885 if (dst < index_size && IndexLookup.Data[dst] == (ImU16)-1 && !overwrite_dst) // 'dst' already exists
3886 return;
3887 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
3888 return;
3889
3890 GrowIndex(dst + 1);
3891 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImU16)-1;
3892 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
3893}
3894
3895// Find glyph, return fallback if missing
3896ImFontGlyph* ImFont::FindGlyph(ImWchar c)
3897{
3898 if (c >= (size_t)IndexLookup.Size)
3899 return FallbackGlyph;
3900 const ImU16 i = IndexLookup.Data[c];
3901 if (i == (ImU16)-1)
3902 return FallbackGlyph;
3903 return &Glyphs.Data[i];
3904}
3905
3906ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c)
3907{
3908 if (c >= (size_t)IndexLookup.Size)
3909 return NULL;
3910 const ImU16 i = IndexLookup.Data[c];
3911 if (i == (ImU16)-1)
3912 return NULL;
3913 return &Glyphs.Data[i];
3914}
3915
3916// Trim trailing space and find beginning of next line
3917static inline const char* CalcWordWrapNextLineStartA(const char* text, const char* text_end)
3918{
3919 while (text < text_end && ImCharIsBlankA(*text))
3920 text++;
3921 if (*text == '\n')
3922 text++;
3923 return text;
3924}
3925
3926#define ImFontGetCharAdvanceX(_FONT, _CH) ((int)(_CH) < (_FONT)->IndexAdvanceX.Size ? (_FONT)->IndexAdvanceX.Data[_CH] : (_FONT)->FallbackAdvanceX)
3927
3928// Simple word-wrapping for English, not full-featured. Please submit failing cases!
3929// This will return the next location to wrap from. If no wrapping if necessary, this will fast-forward to e.g. text_end.
3930// FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.)
3931const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width)
3932{
3933 // For references, possible wrap point marked with ^
3934 // "aaa bbb, ccc,ddd. eee fff. ggg!"
3935 // ^ ^ ^ ^ ^__ ^ ^
3936
3937 // List of hardcoded separators: .,;!?'"
3938
3939 // Skip extra blanks after a line returns (that includes not counting them in width computation)
3940 // e.g. "Hello world" --> "Hello" "World"
3941
3942 // Cut words that cannot possibly fit within one line.
3943 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
3944 float line_width = 0.0f;
3945 float word_width = 0.0f;
3946 float blank_width = 0.0f;
3947 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
3948
3949 const char* word_end = text;
3950 const char* prev_word_end = NULL;
3951 bool inside_word = true;
3952
3953 const char* s = text;
3954 IM_ASSERT(text_end != NULL);
3955 while (s < text_end)
3956 {
3957 unsigned int c = (unsigned int)*s;
3958 const char* next_s;
3959 if (c < 0x80)
3960 next_s = s + 1;
3961 else
3962 next_s = s + ImTextCharFromUtf8(&c, s, text_end);
3963
3964 if (c < 32)
3965 {
3966 if (c == '\n')
3967 {
3968 line_width = word_width = blank_width = 0.0f;
3969 inside_word = true;
3970 s = next_s;
3971 continue;
3972 }
3973 if (c == '\r')
3974 {
3975 s = next_s;
3976 continue;
3977 }
3978 }
3979
3980 const float char_width = ImFontGetCharAdvanceX(this, c);
3981 if (ImCharIsBlankW(c))
3982 {
3983 if (inside_word)
3984 {
3985 line_width += blank_width;
3986 blank_width = 0.0f;
3987 word_end = s;
3988 }
3989 blank_width += char_width;
3990 inside_word = false;
3991 }
3992 else
3993 {
3994 word_width += char_width;
3995 if (inside_word)
3996 {
3997 word_end = next_s;
3998 }
3999 else
4000 {
4001 prev_word_end = word_end;
4002 line_width += word_width + blank_width;
4003 word_width = blank_width = 0.0f;
4004 }
4005
4006 // Allow wrapping after punctuation.
4007 inside_word = (c != '.' && c != ',' && c != ';' && c != '!' && c != '?' && c != '\"');
4008 }
4009
4010 // We ignore blank width at the end of the line (they can be skipped)
4011 if (line_width + word_width > wrap_width)
4012 {
4013 // Words that cannot possibly fit within an entire line will be cut anywhere.
4014 if (word_width < wrap_width)
4015 s = prev_word_end ? prev_word_end : word_end;
4016 break;
4017 }
4018
4019 s = next_s;
4020 }
4021
4022 // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
4023 // +1 may not be a character start point in UTF-8 but it's ok because caller loops use (text >= word_wrap_eol).
4024 if (s == text && text < text_end)
4025 return s + 1;
4026 return s;
4027}
4028
4029ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining)
4030{
4031 if (!text_end)
4032 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
4033
4034 const float line_height = size;
4035 const float scale = size / FontSize;
4036
4037 ImVec2 text_size = ImVec2(0, 0);
4038 float line_width = 0.0f;
4039
4040 const bool word_wrap_enabled = (wrap_width > 0.0f);
4041 const char* word_wrap_eol = NULL;
4042
4043 const char* s = text_begin;
4044 while (s < text_end)
4045 {
4046 if (word_wrap_enabled)
4047 {
4048 // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
4049 if (!word_wrap_eol)
4050 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
4051
4052 if (s >= word_wrap_eol)
4053 {
4054 if (text_size.x < line_width)
4055 text_size.x = line_width;
4056 text_size.y += line_height;
4057 line_width = 0.0f;
4058 word_wrap_eol = NULL;
4059 s = CalcWordWrapNextLineStartA(s, text_end); // Wrapping skips upcoming blanks
4060 continue;
4061 }
4062 }
4063
4064 // Decode and advance source
4065 const char* prev_s = s;
4066 unsigned int c = (unsigned int)*s;
4067 if (c < 0x80)
4068 s += 1;
4069 else
4070 s += ImTextCharFromUtf8(&c, s, text_end);
4071
4072 if (c < 32)
4073 {
4074 if (c == '\n')
4075 {
4076 text_size.x = ImMax(text_size.x, line_width);
4077 text_size.y += line_height;
4078 line_width = 0.0f;
4079 continue;
4080 }
4081 if (c == '\r')
4082 continue;
4083 }
4084
4085 const float char_width = ImFontGetCharAdvanceX(this, c) * scale;
4086 if (line_width + char_width >= max_width)
4087 {
4088 s = prev_s;
4089 break;
4090 }
4091
4092 line_width += char_width;
4093 }
4094
4095 if (text_size.x < line_width)
4096 text_size.x = line_width;
4097
4098 if (line_width > 0 || text_size.y == 0.0f)
4099 text_size.y += line_height;
4100
4101 if (remaining)
4102 *remaining = s;
4103
4104 return text_size;
4105}
4106
4107// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
4108void ImFont::RenderChar(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, ImWchar c)
4109{
4110 const ImFontGlyph* glyph = FindGlyph(c);
4111 if (!glyph || !glyph->Visible)
4112 return;
4113 if (glyph->Colored)
4114 col |= ~IM_COL32_A_MASK;
4115 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
4116 float x = IM_TRUNC(pos.x);
4117 float y = IM_TRUNC(pos.y);
4118 draw_list->PrimReserve(6, 4);
4119 draw_list->PrimRectUV(ImVec2(x + glyph->X0 * scale, y + glyph->Y0 * scale), ImVec2(x + glyph->X1 * scale, y + glyph->Y1 * scale), ImVec2(glyph->U0, glyph->V0), ImVec2(glyph->U1, glyph->V1), col);
4120}
4121
4122// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound.
4123void ImFont::RenderText(ImDrawList* draw_list, float size, const ImVec2& pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip)
4124{
4125 // Align to be pixel perfect
4126 float x = IM_TRUNC(pos.x);
4127 float y = IM_TRUNC(pos.y);
4128 if (y > clip_rect.w)
4129 return;
4130
4131 if (!text_end)
4132 text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls.
4133
4134 const float scale = size / FontSize;
4135 const float line_height = FontSize * scale;
4136 const float origin_x = x;
4137 const bool word_wrap_enabled = (wrap_width > 0.0f);
4138
4139 // Fast-forward to first visible line
4140 const char* s = text_begin;
4141 if (y + line_height < clip_rect.y)
4142 while (y + line_height < clip_rect.y && s < text_end)
4143 {
4144 const char* line_end = (const char*)memchr(s, '\n', text_end - s);
4145 if (word_wrap_enabled)
4146 {
4147 // FIXME-OPT: This is not optimal as do first do a search for \n before calling CalcWordWrapPositionA().
4148 // If the specs for CalcWordWrapPositionA() were reworked to optionally return on \n we could combine both.
4149 // However it is still better than nothing performing the fast-forward!
4150 s = CalcWordWrapPositionA(scale, s, line_end ? line_end : text_end, wrap_width);
4151 s = CalcWordWrapNextLineStartA(s, text_end);
4152 }
4153 else
4154 {
4155 s = line_end ? line_end + 1 : text_end;
4156 }
4157 y += line_height;
4158 }
4159
4160 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
4161 // Note that very large horizontal line will still be affected by the issue (e.g. a one megabyte string buffer without a newline will likely crash atm)
4162 if (text_end - s > 10000 && !word_wrap_enabled)
4163 {
4164 const char* s_end = s;
4165 float y_end = y;
4166 while (y_end < clip_rect.w && s_end < text_end)
4167 {
4168 s_end = (const char*)memchr(s_end, '\n', text_end - s_end);
4169 s_end = s_end ? s_end + 1 : text_end;
4170 y_end += line_height;
4171 }
4172 text_end = s_end;
4173 }
4174 if (s == text_end)
4175 return;
4176
4177 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
4178 const int vtx_count_max = (int)(text_end - s) * 4;
4179 const int idx_count_max = (int)(text_end - s) * 6;
4180 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
4181 draw_list->PrimReserve(idx_count_max, vtx_count_max);
4182 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
4183 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
4184 unsigned int vtx_index = draw_list->_VtxCurrentIdx;
4185
4186 const ImU32 col_untinted = col | ~IM_COL32_A_MASK;
4187 const char* word_wrap_eol = NULL;
4188
4189 while (s < text_end)
4190 {
4191 if (word_wrap_enabled)
4192 {
4193 // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature.
4194 if (!word_wrap_eol)
4195 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - origin_x));
4196
4197 if (s >= word_wrap_eol)
4198 {
4199 x = origin_x;
4200 y += line_height;
4201 if (y > clip_rect.w)
4202 break; // break out of main loop
4203 word_wrap_eol = NULL;
4204 s = CalcWordWrapNextLineStartA(s, text_end); // Wrapping skips upcoming blanks
4205 continue;
4206 }
4207 }
4208
4209 // Decode and advance source
4210 unsigned int c = (unsigned int)*s;
4211 if (c < 0x80)
4212 s += 1;
4213 else
4214 s += ImTextCharFromUtf8(&c, s, text_end);
4215
4216 if (c < 32)
4217 {
4218 if (c == '\n')
4219 {
4220 x = origin_x;
4221 y += line_height;
4222 if (y > clip_rect.w)
4223 break; // break out of main loop
4224 continue;
4225 }
4226 if (c == '\r')
4227 continue;
4228 }
4229
4230 const ImFontGlyph* glyph = FindGlyph((ImWchar)c);
4231 if (glyph == NULL)
4232 continue;
4233
4234 float char_width = glyph->AdvanceX * scale;
4235 if (glyph->Visible)
4236 {
4237 // We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w
4238 float x1 = x + glyph->X0 * scale;
4239 float x2 = x + glyph->X1 * scale;
4240 float y1 = y + glyph->Y0 * scale;
4241 float y2 = y + glyph->Y1 * scale;
4242 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
4243 {
4244 // Render a character
4245 float u1 = glyph->U0;
4246 float v1 = glyph->V0;
4247 float u2 = glyph->U1;
4248 float v2 = glyph->V1;
4249
4250 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
4251 if (cpu_fine_clip)
4252 {
4253 if (x1 < clip_rect.x)
4254 {
4255 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
4256 x1 = clip_rect.x;
4257 }
4258 if (y1 < clip_rect.y)
4259 {
4260 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
4261 y1 = clip_rect.y;
4262 }
4263 if (x2 > clip_rect.z)
4264 {
4265 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
4266 x2 = clip_rect.z;
4267 }
4268 if (y2 > clip_rect.w)
4269 {
4270 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
4271 y2 = clip_rect.w;
4272 }
4273 if (y1 >= y2)
4274 {
4275 x += char_width;
4276 continue;
4277 }
4278 }
4279
4280 // Support for untinted glyphs
4281 ImU32 glyph_col = glyph->Colored ? col_untinted : col;
4282
4283 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
4284 {
4285 vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = glyph_col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1;
4286 vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = glyph_col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1;
4287 vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = glyph_col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2;
4288 vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = glyph_col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2;
4289 idx_write[0] = (ImDrawIdx)(vtx_index); idx_write[1] = (ImDrawIdx)(vtx_index + 1); idx_write[2] = (ImDrawIdx)(vtx_index + 2);
4290 idx_write[3] = (ImDrawIdx)(vtx_index); idx_write[4] = (ImDrawIdx)(vtx_index + 2); idx_write[5] = (ImDrawIdx)(vtx_index + 3);
4291 vtx_write += 4;
4292 vtx_index += 4;
4293 idx_write += 6;
4294 }
4295 }
4296 }
4297 x += char_width;
4298 }
4299
4300 // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action.
4301 draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink()
4302 draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data);
4303 draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
4304 draw_list->_VtxWritePtr = vtx_write;
4305 draw_list->_IdxWritePtr = idx_write;
4306 draw_list->_VtxCurrentIdx = vtx_index;
4307}
4308
4309//-----------------------------------------------------------------------------
4310// [SECTION] ImGui Internal Render Helpers
4311//-----------------------------------------------------------------------------
4312// Vaguely redesigned to stop accessing ImGui global state:
4313// - RenderArrow()
4314// - RenderBullet()
4315// - RenderCheckMark()
4316// - RenderArrowPointingAt()
4317// - RenderRectFilledRangeH()
4318// - RenderRectFilledWithHole()
4319//-----------------------------------------------------------------------------
4320// Function in need of a redesign (legacy mess)
4321// - RenderColorRectWithAlphaCheckerboard()
4322//-----------------------------------------------------------------------------
4323
4324// Render an arrow aimed to be aligned with text (p_min is a position in the same space text would be positioned). To e.g. denote expanded/collapsed state
4325void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale)
4326{
4327 const float h = draw_list->_Data->FontSize * 1.00f;
4328 float r = h * 0.40f * scale;
4329 ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale);
4330
4331 ImVec2 a, b, c;
4332 switch (dir)
4333 {
4334 case ImGuiDir_Up:
4335 case ImGuiDir_Down:
4336 if (dir == ImGuiDir_Up) r = -r;
4337 a = ImVec2(+0.000f, +0.750f) * r;
4338 b = ImVec2(-0.866f, -0.750f) * r;
4339 c = ImVec2(+0.866f, -0.750f) * r;
4340 break;
4341 case ImGuiDir_Left:
4342 case ImGuiDir_Right:
4343 if (dir == ImGuiDir_Left) r = -r;
4344 a = ImVec2(+0.750f, +0.000f) * r;
4345 b = ImVec2(-0.750f, +0.866f) * r;
4346 c = ImVec2(-0.750f, -0.866f) * r;
4347 break;
4348 case ImGuiDir_None:
4349 case ImGuiDir_COUNT:
4350 IM_ASSERT(0);
4351 break;
4352 }
4353 draw_list->AddTriangleFilled(center + a, center + b, center + c, col);
4354}
4355
4356void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col)
4357{
4358 // FIXME-OPT: This should be baked in font.
4359 draw_list->AddCircleFilled(pos, draw_list->_Data->FontSize * 0.20f, col, 8);
4360}
4361
4362void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz)
4363{
4364 float thickness = ImMax(sz / 5.0f, 1.0f);
4365 sz -= thickness * 0.5f;
4366 pos += ImVec2(thickness * 0.25f, thickness * 0.25f);
4367
4368 float third = sz / 3.0f;
4369 float bx = pos.x + third;
4370 float by = pos.y + sz - third * 0.5f;
4371 draw_list->PathLineTo(ImVec2(bx - third, by - third));
4372 draw_list->PathLineTo(ImVec2(bx, by));
4373 draw_list->PathLineTo(ImVec2(bx + third * 2.0f, by - third * 2.0f));
4374 draw_list->PathStroke(col, 0, thickness);
4375}
4376
4377// Render an arrow. 'pos' is position of the arrow tip. half_sz.x is length from base to tip. half_sz.y is length on each side.
4378void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
4379{
4380 switch (direction)
4381 {
4382 case ImGuiDir_Left: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), pos, col); return;
4383 case ImGuiDir_Right: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), pos, col); return;
4384 case ImGuiDir_Up: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), pos, col); return;
4385 case ImGuiDir_Down: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), pos, col); return;
4386 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
4387 }
4388}
4389
4390static inline float ImAcos01(float x)
4391{
4392 if (x <= 0.0f) return IM_PI * 0.5f;
4393 if (x >= 1.0f) return 0.0f;
4394 return ImAcos(x);
4395 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
4396}
4397
4398// FIXME: Cleanup and move code to ImDrawList.
4399void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
4400{
4401 if (x_end_norm == x_start_norm)
4402 return;
4403 if (x_start_norm > x_end_norm)
4404 ImSwap(x_start_norm, x_end_norm);
4405
4406 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y);
4407 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y);
4408 if (rounding == 0.0f)
4409 {
4410 draw_list->AddRectFilled(p0, p1, col, 0.0f);
4411 return;
4412 }
4413
4414 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding);
4415 const float inv_rounding = 1.0f / rounding;
4416 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
4417 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
4418 const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return.
4419 const float x0 = ImMax(p0.x, rect.Min.x + rounding);
4420 if (arc0_b == arc0_e)
4421 {
4422 draw_list->PathLineTo(ImVec2(x0, p1.y));
4423 draw_list->PathLineTo(ImVec2(x0, p0.y));
4424 }
4425 else if (arc0_b == 0.0f && arc0_e == half_pi)
4426 {
4427 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
4428 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
4429 }
4430 else
4431 {
4432 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b); // BL
4433 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e); // TR
4434 }
4435 if (p1.x > rect.Min.x + rounding)
4436 {
4437 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding);
4438 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding);
4439 const float x1 = ImMin(p1.x, rect.Max.x - rounding);
4440 if (arc1_b == arc1_e)
4441 {
4442 draw_list->PathLineTo(ImVec2(x1, p0.y));
4443 draw_list->PathLineTo(ImVec2(x1, p1.y));
4444 }
4445 else if (arc1_b == 0.0f && arc1_e == half_pi)
4446 {
4447 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
4448 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR
4449 }
4450 else
4451 {
4452 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b); // TR
4453 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e); // BR
4454 }
4455 }
4456 draw_list->PathFillConvex(col);
4457}
4458
4459void ImGui::RenderRectFilledWithHole(ImDrawList* draw_list, const ImRect& outer, const ImRect& inner, ImU32 col, float rounding)
4460{
4461 const bool fill_L = (inner.Min.x > outer.Min.x);
4462 const bool fill_R = (inner.Max.x < outer.Max.x);
4463 const bool fill_U = (inner.Min.y > outer.Min.y);
4464 const bool fill_D = (inner.Max.y < outer.Max.y);
4465 if (fill_L) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Min.y), ImVec2(inner.Min.x, inner.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomLeft));
4466 if (fill_R) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Min.y), ImVec2(outer.Max.x, inner.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopRight) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomRight));
4467 if (fill_U) draw_list->AddRectFilled(ImVec2(inner.Min.x, outer.Min.y), ImVec2(inner.Max.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersTopRight));
4468 if (fill_D) draw_list->AddRectFilled(ImVec2(inner.Min.x, inner.Max.y), ImVec2(inner.Max.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersBottomLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersBottomRight));
4469 if (fill_L && fill_U) draw_list->AddRectFilled(ImVec2(outer.Min.x, outer.Min.y), ImVec2(inner.Min.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopLeft);
4470 if (fill_R && fill_U) draw_list->AddRectFilled(ImVec2(inner.Max.x, outer.Min.y), ImVec2(outer.Max.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopRight);
4471 if (fill_L && fill_D) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Max.y), ImVec2(inner.Min.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomLeft);
4472 if (fill_R && fill_D) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Max.y), ImVec2(outer.Max.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomRight);
4473}
4474
4475// Helper for ColorPicker4()
4476// NB: This is rather brittle and will show artifact when rounding this enabled if rounded corners overlap multiple cells. Caller currently responsible for avoiding that.
4477// Spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding altogether.
4478// FIXME: uses ImGui::GetColorU32
4479void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, ImDrawFlags flags)
4480{
4481 if ((flags & ImDrawFlags_RoundCornersMask_) == 0)
4482 flags = ImDrawFlags_RoundCornersDefault_;
4483 if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF)
4484 {
4485 ImU32 col_bg1 = GetColorU32(ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col));
4486 ImU32 col_bg2 = GetColorU32(ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col));
4487 draw_list->AddRectFilled(p_min, p_max, col_bg1, rounding, flags);
4488
4489 int yi = 0;
4490 for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++)
4491 {
4492 float y1 = ImClamp(y, p_min.y, p_max.y), y2 = ImMin(y + grid_step, p_max.y);
4493 if (y2 <= y1)
4494 continue;
4495 for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f)
4496 {
4497 float x1 = ImClamp(x, p_min.x, p_max.x), x2 = ImMin(x + grid_step, p_max.x);
4498 if (x2 <= x1)
4499 continue;
4500 ImDrawFlags cell_flags = ImDrawFlags_RoundCornersNone;
4501 if (y1 <= p_min.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersTopLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersTopRight; }
4502 if (y2 >= p_max.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersBottomLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersBottomRight; }
4503
4504 // Combine flags
4505 cell_flags = (flags == ImDrawFlags_RoundCornersNone || cell_flags == ImDrawFlags_RoundCornersNone) ? ImDrawFlags_RoundCornersNone : (cell_flags & flags);
4506 draw_list->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), col_bg2, rounding, cell_flags);
4507 }
4508 }
4509 }
4510 else
4511 {
4512 draw_list->AddRectFilled(p_min, p_max, col, rounding, flags);
4513 }
4514}
4515
4516//-----------------------------------------------------------------------------
4517// [SECTION] Decompression code
4518//-----------------------------------------------------------------------------
4519// Compressed with stb_compress() then converted to a C array and encoded as base85.
4520// Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
4521// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
4522// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
4523//-----------------------------------------------------------------------------
4524
4525static unsigned int stb_decompress_length(const unsigned char *input)
4526{
4527 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
4528}
4529
4530static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
4531static const unsigned char *stb__barrier_in_b;
4532static unsigned char *stb__dout;
4533static void stb__match(const unsigned char *data, unsigned int length)
4534{
4535 // INVERSE of memmove... write each byte before copying the next...
4536 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
4537 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
4538 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
4539 while (length--) *stb__dout++ = *data++;
4540}
4541
4542static void stb__lit(const unsigned char *data, unsigned int length)
4543{
4544 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
4545 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
4546 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
4547 memcpy(stb__dout, data, length);
4548 stb__dout += length;
4549}
4550
4551#define stb__in2(x) ((i[x] << 8) + i[(x)+1])
4552#define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
4553#define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
4554
4555static const unsigned char *stb_decompress_token(const unsigned char *i)
4556{
4557 if (*i >= 0x20) { // use fewer if's for cases that expand small
4558 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
4559 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
4560 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
4561 } else { // more ifs for cases that expand large, since overhead is amortized
4562 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
4563 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
4564 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
4565 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
4566 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
4567 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
4568 }
4569 return i;
4570}
4571
4572static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
4573{
4574 const unsigned long ADLER_MOD = 65521;
4575 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
4576 unsigned long blocklen = buflen % 5552;
4577
4578 unsigned long i;
4579 while (buflen) {
4580 for (i=0; i + 7 < blocklen; i += 8) {
4581 s1 += buffer[0], s2 += s1;
4582 s1 += buffer[1], s2 += s1;
4583 s1 += buffer[2], s2 += s1;
4584 s1 += buffer[3], s2 += s1;
4585 s1 += buffer[4], s2 += s1;
4586 s1 += buffer[5], s2 += s1;
4587 s1 += buffer[6], s2 += s1;
4588 s1 += buffer[7], s2 += s1;
4589
4590 buffer += 8;
4591 }
4592
4593 for (; i < blocklen; ++i)
4594 s1 += *buffer++, s2 += s1;
4595
4596 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
4597 buflen -= blocklen;
4598 blocklen = 5552;
4599 }
4600 return (unsigned int)(s2 << 16) + (unsigned int)s1;
4601}
4602
4603static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
4604{
4605 if (stb__in4(0) != 0x57bC0000) return 0;
4606 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
4607 const unsigned int olen = stb_decompress_length(i);
4608 stb__barrier_in_b = i;
4609 stb__barrier_out_e = output + olen;
4610 stb__barrier_out_b = output;
4611 i += 16;
4612
4613 stb__dout = output;
4614 for (;;) {
4615 const unsigned char *old_i = i;
4616 i = stb_decompress_token(i);
4617 if (i == old_i) {
4618 if (*i == 0x05 && i[1] == 0xfa) {
4619 IM_ASSERT(stb__dout == output + olen);
4620 if (stb__dout != output + olen) return 0;
4621 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
4622 return 0;
4623 return olen;
4624 } else {
4625 IM_ASSERT(0); /* NOTREACHED */
4626 return 0;
4627 }
4628 }
4629 IM_ASSERT(stb__dout <= output + olen);
4630 if (stb__dout > output + olen)
4631 return 0;
4632 }
4633}
4634
4635//-----------------------------------------------------------------------------
4636// [SECTION] Default font data (ProggyClean.ttf)
4637//-----------------------------------------------------------------------------
4638// ProggyClean.ttf
4639// Copyright (c) 2004, 2005 Tristan Grimmer
4640// MIT license (see License.txt in http://www.proggyfonts.net/index.php?menu=download)
4641// Download and more information at http://www.proggyfonts.net or http://upperboundsinteractive.com/fonts.php
4642//-----------------------------------------------------------------------------
4643
4644#ifndef IMGUI_DISABLE_DEFAULT_FONT
4645
4646// File: 'ProggyClean.ttf' (41208 bytes)
4647// Exported using binary_to_compressed_c.exe -u8 "ProggyClean.ttf" proggy_clean_ttf
4648static const unsigned int proggy_clean_ttf_compressed_size = 9583;
4649static const unsigned char proggy_clean_ttf_compressed_data[9583] =
4650{
4651 87,188,0,0,0,0,0,0,0,0,160,248,0,4,0,0,55,0,1,0,0,0,12,0,128,0,3,0,64,79,83,47,50,136,235,116,144,0,0,1,72,130,21,44,78,99,109,97,112,2,18,35,117,0,0,3,160,130,19,36,82,99,118,116,
4652 32,130,23,130,2,33,4,252,130,4,56,2,103,108,121,102,18,175,137,86,0,0,7,4,0,0,146,128,104,101,97,100,215,145,102,211,130,27,32,204,130,3,33,54,104,130,16,39,8,66,1,195,0,0,1,4,130,
4653 15,59,36,104,109,116,120,138,0,126,128,0,0,1,152,0,0,2,6,108,111,99,97,140,115,176,216,0,0,5,130,30,41,2,4,109,97,120,112,1,174,0,218,130,31,32,40,130,16,44,32,110,97,109,101,37,89,
4654 187,150,0,0,153,132,130,19,44,158,112,111,115,116,166,172,131,239,0,0,155,36,130,51,44,210,112,114,101,112,105,2,1,18,0,0,4,244,130,47,32,8,132,203,46,1,0,0,60,85,233,213,95,15,60,
4655 245,0,3,8,0,131,0,34,183,103,119,130,63,43,0,0,189,146,166,215,0,0,254,128,3,128,131,111,130,241,33,2,0,133,0,32,1,130,65,38,192,254,64,0,0,3,128,131,16,130,5,32,1,131,7,138,3,33,2,
4656 0,130,17,36,1,1,0,144,0,130,121,130,23,38,2,0,8,0,64,0,10,130,9,32,118,130,9,130,6,32,0,130,59,33,1,144,131,200,35,2,188,2,138,130,16,32,143,133,7,37,1,197,0,50,2,0,131,0,33,4,9,131,
4657 5,145,3,43,65,108,116,115,0,64,0,0,32,172,8,0,131,0,35,5,0,1,128,131,77,131,3,33,3,128,191,1,33,1,128,130,184,35,0,0,128,0,130,3,131,11,32,1,130,7,33,0,128,131,1,32,1,136,9,32,0,132,
4658 15,135,5,32,1,131,13,135,27,144,35,32,1,149,25,131,21,32,0,130,0,32,128,132,103,130,35,132,39,32,0,136,45,136,97,133,17,130,5,33,0,0,136,19,34,0,128,1,133,13,133,5,32,128,130,15,132,
4659 131,32,3,130,5,32,3,132,27,144,71,32,0,133,27,130,29,130,31,136,29,131,63,131,3,65,63,5,132,5,132,205,130,9,33,0,0,131,9,137,119,32,3,132,19,138,243,130,55,32,1,132,35,135,19,131,201,
4660 136,11,132,143,137,13,130,41,32,0,131,3,144,35,33,128,0,135,1,131,223,131,3,141,17,134,13,136,63,134,15,136,53,143,15,130,96,33,0,3,131,4,130,3,34,28,0,1,130,5,34,0,0,76,130,17,131,
4661 9,36,28,0,4,0,48,130,17,46,8,0,8,0,2,0,0,0,127,0,255,32,172,255,255,130,9,34,0,0,129,132,9,130,102,33,223,213,134,53,132,22,33,1,6,132,6,64,4,215,32,129,165,216,39,177,0,1,141,184,
4662 1,255,133,134,45,33,198,0,193,1,8,190,244,1,28,1,158,2,20,2,136,2,252,3,20,3,88,3,156,3,222,4,20,4,50,4,80,4,98,4,162,5,22,5,102,5,188,6,18,6,116,6,214,7,56,7,126,7,236,8,78,8,108,
4663 8,150,8,208,9,16,9,74,9,136,10,22,10,128,11,4,11,86,11,200,12,46,12,130,12,234,13,94,13,164,13,234,14,80,14,150,15,40,15,176,16,18,16,116,16,224,17,82,17,182,18,4,18,110,18,196,19,
4664 76,19,172,19,246,20,88,20,174,20,234,21,64,21,128,21,166,21,184,22,18,22,126,22,198,23,52,23,142,23,224,24,86,24,186,24,238,25,54,25,150,25,212,26,72,26,156,26,240,27,92,27,200,28,
4665 4,28,76,28,150,28,234,29,42,29,146,29,210,30,64,30,142,30,224,31,36,31,118,31,166,31,166,32,16,130,1,52,46,32,138,32,178,32,200,33,20,33,116,33,152,33,238,34,98,34,134,35,12,130,1,
4666 33,128,35,131,1,60,152,35,176,35,216,36,0,36,74,36,104,36,144,36,174,37,6,37,96,37,130,37,248,37,248,38,88,38,170,130,1,8,190,216,39,64,39,154,40,10,40,104,40,168,41,14,41,32,41,184,
4667 41,248,42,54,42,96,42,96,43,2,43,42,43,94,43,172,43,230,44,32,44,52,44,154,45,40,45,92,45,120,45,170,45,232,46,38,46,166,47,38,47,182,47,244,48,94,48,200,49,62,49,180,50,30,50,158,
4668 51,30,51,130,51,238,52,92,52,206,53,58,53,134,53,212,54,38,54,114,54,230,55,118,55,216,56,58,56,166,57,18,57,116,57,174,58,46,58,154,59,6,59,124,59,232,60,58,60,150,61,34,61,134,61,
4669 236,62,86,62,198,63,42,63,154,64,18,64,106,64,208,65,54,65,162,66,8,66,64,66,122,66,184,66,240,67,98,67,204,68,42,68,138,68,238,69,88,69,182,69,226,70,84,70,180,71,20,71,122,71,218,
4670 72,84,72,198,73,64,0,36,70,21,8,8,77,3,0,7,0,11,0,15,0,19,0,23,0,27,0,31,0,35,0,39,0,43,0,47,0,51,0,55,0,59,0,63,0,67,0,71,0,75,0,79,0,83,0,87,0,91,0,95,0,99,0,103,0,107,0,111,0,115,
4671 0,119,0,123,0,127,0,131,0,135,0,139,0,143,0,0,17,53,51,21,49,150,3,32,5,130,23,32,33,130,3,211,7,151,115,32,128,133,0,37,252,128,128,2,128,128,190,5,133,74,32,4,133,6,206,5,42,0,7,
4672 1,128,0,0,2,0,4,0,0,65,139,13,37,0,1,53,51,21,7,146,3,32,3,130,19,32,1,141,133,32,3,141,14,131,13,38,255,0,128,128,0,6,1,130,84,35,2,128,4,128,140,91,132,89,32,51,65,143,6,139,7,33,
4673 1,0,130,57,32,254,130,3,32,128,132,4,32,4,131,14,138,89,35,0,0,24,0,130,0,33,3,128,144,171,66,55,33,148,115,65,187,19,32,5,130,151,143,155,163,39,32,1,136,182,32,253,134,178,132,7,
4674 132,200,145,17,32,3,65,48,17,165,17,39,0,0,21,0,128,255,128,3,65,175,17,65,3,27,132,253,131,217,139,201,155,233,155,27,131,67,131,31,130,241,33,255,0,131,181,137,232,132,15,132,4,138,
4675 247,34,255,0,128,179,238,32,0,130,0,32,20,65,239,48,33,0,19,67,235,10,32,51,65,203,14,65,215,11,32,7,154,27,135,39,32,33,130,35,33,128,128,130,231,32,253,132,231,32,128,132,232,34,
4676 128,128,254,133,13,136,8,32,253,65,186,5,130,36,130,42,176,234,133,231,34,128,0,0,66,215,44,33,0,1,68,235,6,68,211,19,32,49,68,239,14,139,207,139,47,66,13,7,32,51,130,47,33,1,0,130,
4677 207,35,128,128,1,0,131,222,131,5,130,212,130,6,131,212,32,0,130,10,133,220,130,233,130,226,32,254,133,255,178,233,39,3,1,128,3,0,2,0,4,68,15,7,68,99,12,130,89,130,104,33,128,4,133,
4678 93,130,10,38,0,0,11,1,0,255,0,68,63,16,70,39,9,66,215,8,32,7,68,77,6,68,175,14,32,29,68,195,6,132,7,35,2,0,128,255,131,91,132,4,65,178,5,141,111,67,129,23,165,135,140,107,142,135,33,
4679 21,5,69,71,6,131,7,33,1,0,140,104,132,142,130,4,137,247,140,30,68,255,12,39,11,0,128,0,128,3,0,3,69,171,15,67,251,7,65,15,8,66,249,11,65,229,7,67,211,7,66,13,7,35,1,128,128,254,133,
4680 93,32,254,131,145,132,4,132,18,32,2,151,128,130,23,34,0,0,9,154,131,65,207,8,68,107,15,68,51,7,32,7,70,59,7,135,121,130,82,32,128,151,111,41,0,0,4,0,128,255,0,1,128,1,137,239,33,0,
4681 37,70,145,10,65,77,10,65,212,14,37,0,0,0,5,0,128,66,109,5,70,123,10,33,0,19,72,33,18,133,237,70,209,11,33,0,2,130,113,137,119,136,115,33,1,0,133,43,130,5,34,0,0,10,69,135,6,70,219,
4682 13,66,155,7,65,9,12,66,157,11,66,9,11,32,7,130,141,132,252,66,151,9,137,9,66,15,30,36,0,20,0,128,0,130,218,71,11,42,68,51,8,65,141,7,73,19,15,69,47,23,143,39,66,81,7,32,1,66,55,6,34,
4683 1,128,128,68,25,5,69,32,6,137,6,136,25,32,254,131,42,32,3,66,88,26,148,26,32,0,130,0,32,14,164,231,70,225,12,66,233,7,67,133,19,71,203,15,130,161,32,255,130,155,32,254,139,127,134,
4684 12,164,174,33,0,15,164,159,33,59,0,65,125,20,66,25,7,32,5,68,191,6,66,29,7,144,165,65,105,9,35,128,128,255,0,137,2,133,182,164,169,33,128,128,197,171,130,155,68,235,7,32,21,70,77,19,
4685 66,21,10,68,97,8,66,30,5,66,4,43,34,0,17,0,71,19,41,65,253,20,71,25,23,65,91,15,65,115,7,34,2,128,128,66,9,8,130,169,33,1,0,66,212,13,132,28,72,201,43,35,0,0,0,18,66,27,38,76,231,5,
4686 68,157,20,135,157,32,7,68,185,13,65,129,28,66,20,5,32,253,66,210,11,65,128,49,133,61,32,0,65,135,6,74,111,37,72,149,12,66,203,19,65,147,19,68,93,7,68,85,8,76,4,5,33,255,0,133,129,34,
4687 254,0,128,68,69,8,181,197,34,0,0,12,65,135,32,65,123,20,69,183,27,133,156,66,50,5,72,87,10,67,137,32,33,0,19,160,139,78,251,13,68,55,20,67,119,19,65,91,36,69,177,15,32,254,143,16,65,
4688 98,53,32,128,130,0,32,0,66,43,54,70,141,23,66,23,15,131,39,69,47,11,131,15,70,129,19,74,161,9,36,128,255,0,128,254,130,153,65,148,32,67,41,9,34,0,0,4,79,15,5,73,99,10,71,203,8,32,3,
4689 72,123,6,72,43,8,32,2,133,56,131,99,130,9,34,0,0,6,72,175,5,73,159,14,144,63,135,197,132,189,133,66,33,255,0,73,6,7,70,137,12,35,0,0,0,10,130,3,73,243,25,67,113,12,65,73,7,69,161,7,
4690 138,7,37,21,2,0,128,128,254,134,3,73,116,27,33,128,128,130,111,39,12,0,128,1,0,3,128,2,72,219,21,35,43,0,47,0,67,47,20,130,111,33,21,1,68,167,13,81,147,8,133,230,32,128,77,73,6,32,
4691 128,131,142,134,18,130,6,32,255,75,18,12,131,243,37,128,0,128,3,128,3,74,231,21,135,123,32,29,134,107,135,7,32,21,74,117,7,135,7,134,96,135,246,74,103,23,132,242,33,0,10,67,151,28,
4692 67,133,20,66,141,11,131,11,32,3,77,71,6,32,128,130,113,32,1,81,4,6,134,218,66,130,24,131,31,34,0,26,0,130,0,77,255,44,83,15,11,148,155,68,13,7,32,49,78,231,18,79,7,11,73,243,11,32,
4693 33,65,187,10,130,63,65,87,8,73,239,19,35,0,128,1,0,131,226,32,252,65,100,6,32,128,139,8,33,1,0,130,21,32,253,72,155,44,73,255,20,32,128,71,67,8,81,243,39,67,15,20,74,191,23,68,121,
4694 27,32,1,66,150,6,32,254,79,19,11,131,214,32,128,130,215,37,2,0,128,253,0,128,136,5,65,220,24,147,212,130,210,33,0,24,72,219,42,84,255,13,67,119,16,69,245,19,72,225,19,65,3,15,69,93,
4695 19,131,55,132,178,71,115,14,81,228,6,142,245,33,253,0,132,43,172,252,65,16,11,75,219,8,65,219,31,66,223,24,75,223,10,33,29,1,80,243,10,66,175,8,131,110,134,203,133,172,130,16,70,30,
4696 7,164,183,130,163,32,20,65,171,48,65,163,36,65,143,23,65,151,19,65,147,13,65,134,17,133,17,130,216,67,114,5,164,217,65,137,12,72,147,48,79,71,19,74,169,22,80,251,8,65,173,7,66,157,
4697 15,74,173,15,32,254,65,170,8,71,186,45,72,131,6,77,143,40,187,195,152,179,65,123,38,68,215,57,68,179,15,65,85,7,69,187,14,32,21,66,95,15,67,19,25,32,1,83,223,6,32,2,76,240,7,77,166,
4698 43,65,8,5,130,206,32,0,67,39,54,143,167,66,255,19,82,193,11,151,47,85,171,5,67,27,17,132,160,69,172,11,69,184,56,66,95,6,33,12,1,130,237,32,2,68,179,27,68,175,16,80,135,15,72,55,7,
4699 71,87,12,73,3,12,132,12,66,75,32,76,215,5,169,139,147,135,148,139,81,12,12,81,185,36,75,251,7,65,23,27,76,215,9,87,165,12,65,209,15,72,157,7,65,245,31,32,128,71,128,6,32,1,82,125,5,
4700 34,0,128,254,131,169,32,254,131,187,71,180,9,132,27,32,2,88,129,44,32,0,78,47,40,65,79,23,79,171,14,32,21,71,87,8,72,15,14,65,224,33,130,139,74,27,62,93,23,7,68,31,7,75,27,7,139,15,
4701 74,3,7,74,23,27,65,165,11,65,177,15,67,123,5,32,1,130,221,32,252,71,96,5,74,12,12,133,244,130,25,34,1,0,128,130,2,139,8,93,26,8,65,9,32,65,57,14,140,14,32,0,73,79,67,68,119,11,135,
4702 11,32,51,90,75,14,139,247,65,43,7,131,19,139,11,69,159,11,65,247,6,36,1,128,128,253,0,90,71,9,33,1,0,132,14,32,128,89,93,14,69,133,6,130,44,131,30,131,6,65,20,56,33,0,16,72,179,40,
4703 75,47,12,65,215,19,74,95,19,65,43,11,131,168,67,110,5,75,23,17,69,106,6,75,65,5,71,204,43,32,0,80,75,47,71,203,15,159,181,68,91,11,67,197,7,73,101,13,68,85,6,33,128,128,130,214,130,
4704 25,32,254,74,236,48,130,194,37,0,18,0,128,255,128,77,215,40,65,139,64,32,51,80,159,10,65,147,39,130,219,84,212,43,130,46,75,19,97,74,33,11,65,201,23,65,173,31,33,1,0,79,133,6,66,150,
4705 5,67,75,48,85,187,6,70,207,37,32,71,87,221,13,73,163,14,80,167,15,132,15,83,193,19,82,209,8,78,99,9,72,190,11,77,110,49,89,63,5,80,91,35,99,63,32,70,235,23,81,99,10,69,148,10,65,110,
4706 36,32,0,65,99,47,95,219,11,68,171,51,66,87,7,72,57,7,74,45,17,143,17,65,114,50,33,14,0,65,111,40,159,195,98,135,15,35,7,53,51,21,100,78,9,95,146,16,32,254,82,114,6,32,128,67,208,37,
4707 130,166,99,79,58,32,17,96,99,14,72,31,19,72,87,31,82,155,7,67,47,14,32,21,131,75,134,231,72,51,17,72,78,8,133,8,80,133,6,33,253,128,88,37,9,66,124,36,72,65,12,134,12,71,55,43,66,139,
4708 27,85,135,10,91,33,12,65,35,11,66,131,11,71,32,8,90,127,6,130,244,71,76,11,168,207,33,0,12,66,123,32,32,0,65,183,15,68,135,11,66,111,7,67,235,11,66,111,15,32,254,97,66,12,160,154,67,
4709 227,52,80,33,15,87,249,15,93,45,31,75,111,12,93,45,11,77,99,9,160,184,81,31,12,32,15,98,135,30,104,175,7,77,249,36,69,73,15,78,5,12,32,254,66,151,19,34,128,128,4,87,32,12,149,35,133,
4710 21,96,151,31,32,19,72,35,5,98,173,15,143,15,32,21,143,99,158,129,33,0,0,65,35,52,65,11,15,147,15,98,75,11,33,1,0,143,151,132,15,32,254,99,200,37,132,43,130,4,39,0,10,0,128,1,128,3,
4711 0,104,151,14,97,187,20,69,131,15,67,195,11,87,227,7,33,128,128,132,128,33,254,0,68,131,9,65,46,26,42,0,0,0,7,0,0,255,128,3,128,0,88,223,15,33,0,21,89,61,22,66,209,12,65,2,12,37,0,2,
4712 1,0,3,128,101,83,8,36,0,1,53,51,29,130,3,34,21,1,0,66,53,8,32,0,68,215,6,100,55,25,107,111,9,66,193,11,72,167,8,73,143,31,139,31,33,1,0,131,158,32,254,132,5,33,253,128,65,16,9,133,
4713 17,89,130,25,141,212,33,0,0,93,39,8,90,131,25,93,39,14,66,217,6,106,179,8,159,181,71,125,15,139,47,138,141,87,11,14,76,23,14,65,231,26,140,209,66,122,8,81,179,5,101,195,26,32,47,74,
4714 75,13,69,159,11,83,235,11,67,21,16,136,167,131,106,130,165,130,15,32,128,101,90,24,134,142,32,0,65,103,51,108,23,11,101,231,15,75,173,23,74,237,23,66,15,6,66,46,17,66,58,17,65,105,
4715 49,66,247,55,71,179,12,70,139,15,86,229,7,84,167,15,32,1,95,72,12,89,49,6,33,128,128,65,136,38,66,30,9,32,0,100,239,7,66,247,29,70,105,20,65,141,19,69,81,15,130,144,32,128,83,41,5,
4716 32,255,131,177,68,185,5,133,126,65,97,37,32,0,130,0,33,21,0,130,55,66,195,28,67,155,13,34,79,0,83,66,213,13,73,241,19,66,59,19,65,125,11,135,201,66,249,16,32,128,66,44,11,66,56,17,
4717 68,143,8,68,124,38,67,183,12,96,211,9,65,143,29,112,171,5,32,0,68,131,63,34,33,53,51,71,121,11,32,254,98,251,16,32,253,74,231,10,65,175,37,133,206,37,0,0,8,1,0,0,107,123,11,113,115,
4718 9,33,0,1,130,117,131,3,73,103,7,66,51,18,66,44,5,133,75,70,88,5,32,254,65,39,12,68,80,9,34,12,0,128,107,179,28,68,223,6,155,111,86,147,15,32,2,131,82,141,110,33,254,0,130,15,32,4,103,
4719 184,15,141,35,87,176,5,83,11,5,71,235,23,114,107,11,65,189,16,70,33,15,86,153,31,135,126,86,145,30,65,183,41,32,0,130,0,32,10,65,183,24,34,35,0,39,67,85,9,65,179,15,143,15,33,1,0,65,
4720 28,17,157,136,130,123,32,20,130,3,32,0,97,135,24,115,167,19,80,71,12,32,51,110,163,14,78,35,19,131,19,155,23,77,229,8,78,9,17,151,17,67,231,46,94,135,8,73,31,31,93,215,56,82,171,25,
4721 72,77,8,162,179,169,167,99,131,11,69,85,19,66,215,15,76,129,13,68,115,22,72,79,35,67,113,5,34,0,0,19,70,31,46,65,89,52,73,223,15,85,199,33,95,33,8,132,203,73,29,32,67,48,16,177,215,
4722 101,13,15,65,141,43,69,141,15,75,89,5,70,0,11,70,235,21,178,215,36,10,0,128,0,0,71,207,24,33,0,19,100,67,6,80,215,11,66,67,7,80,43,12,71,106,7,80,192,5,65,63,5,66,217,26,33,0,13,156,
4723 119,68,95,5,72,233,12,134,129,85,81,11,76,165,20,65,43,8,73,136,8,75,10,31,38,128,128,0,0,0,13,1,130,4,32,3,106,235,29,114,179,12,66,131,23,32,7,77,133,6,67,89,12,131,139,116,60,9,
4724 89,15,37,32,0,74,15,7,103,11,22,65,35,5,33,55,0,93,81,28,67,239,23,78,85,5,107,93,14,66,84,17,65,193,26,74,183,10,66,67,34,143,135,79,91,15,32,7,117,111,8,75,56,9,84,212,9,154,134,
4725 32,0,130,0,32,18,130,3,70,171,41,83,7,16,70,131,19,84,191,15,84,175,19,84,167,30,84,158,12,154,193,68,107,15,33,0,0,65,79,42,65,71,7,73,55,7,118,191,16,83,180,9,32,255,76,166,9,154,
4726 141,32,0,130,0,69,195,52,65,225,15,151,15,75,215,31,80,56,10,68,240,17,100,32,9,70,147,39,65,93,12,71,71,41,92,85,15,84,135,23,78,35,15,110,27,10,84,125,8,107,115,29,136,160,38,0,0,
4727 14,0,128,255,0,82,155,24,67,239,8,119,255,11,69,131,11,77,29,6,112,31,8,134,27,105,203,8,32,2,75,51,11,75,195,12,74,13,29,136,161,37,128,0,0,0,11,1,130,163,82,115,8,125,191,17,69,35,
4728 12,74,137,15,143,15,32,1,65,157,12,136,12,161,142,65,43,40,65,199,6,65,19,24,102,185,11,76,123,11,99,6,12,135,12,32,254,130,8,161,155,101,23,9,39,8,0,0,1,128,3,128,2,78,63,17,72,245,
4729 12,67,41,11,90,167,9,32,128,97,49,9,32,128,109,51,14,132,97,81,191,8,130,97,125,99,12,121,35,9,127,75,15,71,79,12,81,151,23,87,97,7,70,223,15,80,245,16,105,97,15,32,254,113,17,6,32,
4730 128,130,8,105,105,8,76,122,18,65,243,21,74,63,7,38,4,1,0,255,0,2,0,119,247,28,133,65,32,255,141,91,35,0,0,0,16,67,63,36,34,59,0,63,77,59,9,119,147,11,143,241,66,173,15,66,31,11,67,
4731 75,8,81,74,16,32,128,131,255,87,181,42,127,43,5,34,255,128,2,120,235,11,37,19,0,23,0,0,37,109,191,14,118,219,7,127,43,14,65,79,14,35,0,0,0,3,73,91,5,130,5,38,3,0,7,0,11,0,0,70,205,
4732 11,88,221,12,32,0,73,135,7,87,15,22,73,135,10,79,153,15,97,71,19,65,49,11,32,1,131,104,121,235,11,80,65,11,142,179,144,14,81,123,46,32,1,88,217,5,112,5,8,65,201,15,83,29,15,122,147,
4733 11,135,179,142,175,143,185,67,247,39,66,199,7,35,5,0,128,3,69,203,15,123,163,12,67,127,7,130,119,71,153,10,141,102,70,175,8,32,128,121,235,30,136,89,100,191,11,116,195,11,111,235,15,
4734 72,39,7,32,2,97,43,5,132,5,94,67,8,131,8,125,253,10,32,3,65,158,16,146,16,130,170,40,0,21,0,128,0,0,3,128,5,88,219,15,24,64,159,32,135,141,65,167,15,68,163,10,97,73,49,32,255,82,58,
4735 7,93,80,8,97,81,16,24,67,87,52,34,0,0,5,130,231,33,128,2,80,51,13,65,129,8,113,61,6,132,175,65,219,5,130,136,77,152,17,32,0,95,131,61,70,215,6,33,21,51,90,53,10,78,97,23,105,77,31,
4736 65,117,7,139,75,24,68,195,9,24,64,22,9,33,0,128,130,11,33,128,128,66,25,5,121,38,5,134,5,134,45,66,40,36,66,59,18,34,128,0,0,66,59,81,135,245,123,103,19,120,159,19,77,175,12,33,255,
4737 0,87,29,10,94,70,21,66,59,54,39,3,1,128,3,0,2,128,4,24,65,7,15,66,47,7,72,98,12,37,0,0,0,3,1,0,24,65,55,21,131,195,32,1,67,178,6,33,4,0,77,141,8,32,6,131,47,74,67,16,24,69,3,20,24,
4738 65,251,7,133,234,130,229,94,108,17,35,0,0,6,0,141,175,86,59,5,162,79,85,166,8,70,112,13,32,13,24,64,67,26,24,71,255,7,123,211,12,80,121,11,69,215,15,66,217,11,69,71,10,131,113,132,
4739 126,119,90,9,66,117,19,132,19,32,0,130,0,24,64,47,59,33,7,0,73,227,5,68,243,15,85,13,12,76,37,22,74,254,15,130,138,33,0,4,65,111,6,137,79,65,107,16,32,1,77,200,6,34,128,128,3,75,154,
4740 12,37,0,16,0,0,2,0,104,115,36,140,157,68,67,19,68,51,15,106,243,15,134,120,70,37,10,68,27,10,140,152,65,121,24,32,128,94,155,7,67,11,8,24,74,11,25,65,3,12,83,89,18,82,21,37,67,200,
4741 5,130,144,24,64,172,12,33,4,0,134,162,74,80,14,145,184,32,0,130,0,69,251,20,32,19,81,243,5,82,143,8,33,5,53,89,203,5,133,112,79,109,15,33,0,21,130,71,80,175,41,36,75,0,79,0,83,121,
4742 117,9,87,89,27,66,103,11,70,13,15,75,191,11,135,67,87,97,20,109,203,5,69,246,8,108,171,5,78,195,38,65,51,13,107,203,11,77,3,17,24,75,239,17,65,229,28,79,129,39,130,175,32,128,123,253,
4743 7,132,142,24,65,51,15,65,239,41,36,128,128,0,0,13,65,171,5,66,163,28,136,183,118,137,11,80,255,15,67,65,7,74,111,8,32,0,130,157,32,253,24,76,35,10,103,212,5,81,175,9,69,141,7,66,150,
4744 29,131,158,24,75,199,28,124,185,7,76,205,15,68,124,14,32,3,123,139,16,130,16,33,128,128,108,199,6,33,0,3,65,191,35,107,11,6,73,197,11,24,70,121,15,83,247,15,24,70,173,23,69,205,14,
4745 32,253,131,140,32,254,136,4,94,198,9,32,3,78,4,13,66,127,13,143,13,32,0,130,0,33,16,0,24,69,59,39,109,147,12,76,253,19,24,69,207,15,69,229,15,130,195,71,90,10,139,10,130,152,73,43,
4746 40,91,139,10,65,131,37,35,75,0,79,0,84,227,12,143,151,68,25,15,80,9,23,95,169,11,34,128,2,128,112,186,5,130,6,83,161,19,76,50,6,130,37,65,145,44,110,83,5,32,16,67,99,6,71,67,15,76,
4747 55,17,140,215,67,97,23,76,69,15,77,237,11,104,211,23,77,238,11,65,154,43,33,0,10,83,15,28,83,13,20,67,145,19,67,141,14,97,149,21,68,9,15,86,251,5,66,207,5,66,27,37,82,1,23,127,71,12,
4748 94,235,10,110,175,24,98,243,15,132,154,132,4,24,66,69,10,32,4,67,156,43,130,198,35,2,1,0,4,75,27,9,69,85,9,95,240,7,32,128,130,35,32,28,66,43,40,24,82,63,23,83,123,12,72,231,15,127,
4749 59,23,116,23,19,117,71,7,24,77,99,15,67,111,15,71,101,8,36,2,128,128,252,128,127,60,11,32,1,132,16,130,18,141,24,67,107,9,32,3,68,194,15,175,15,38,0,11,0,128,1,128,2,80,63,25,32,0,
4750 24,65,73,11,69,185,15,83,243,16,32,0,24,81,165,8,130,86,77,35,6,155,163,88,203,5,24,66,195,30,70,19,19,24,80,133,15,32,1,75,211,8,32,254,108,133,8,79,87,20,65,32,9,41,0,0,7,0,128,0,
4751 0,2,128,2,68,87,15,66,1,16,92,201,16,24,76,24,17,133,17,34,128,0,30,66,127,64,34,115,0,119,73,205,9,66,43,11,109,143,15,24,79,203,11,90,143,15,131,15,155,31,65,185,15,86,87,11,35,128,
4752 128,253,0,69,7,6,130,213,33,1,0,119,178,15,142,17,66,141,74,83,28,6,36,7,0,0,4,128,82,39,18,76,149,12,67,69,21,32,128,79,118,15,32,0,130,0,32,8,131,206,32,2,79,83,9,100,223,14,102,
4753 113,23,115,115,7,24,65,231,12,130,162,32,4,68,182,19,130,102,93,143,8,69,107,29,24,77,255,12,143,197,72,51,7,76,195,15,132,139,85,49,15,130,152,131,18,71,81,23,70,14,11,36,0,10,0,128,
4754 2,69,59,9,89,151,15,66,241,11,76,165,12,71,43,15,75,49,13,65,12,23,132,37,32,0,179,115,130,231,95,181,16,132,77,32,254,67,224,8,65,126,20,79,171,8,32,2,89,81,5,75,143,6,80,41,8,34,
4755 2,0,128,24,81,72,9,32,0,130,0,35,17,0,0,255,77,99,39,95,65,36,67,109,15,24,69,93,11,77,239,5,95,77,23,35,128,1,0,128,24,86,7,8,132,167,32,2,69,198,41,130,202,33,0,26,120,75,44,24,89,
4756 51,15,71,243,12,70,239,11,24,84,3,11,66,7,11,71,255,10,32,21,69,155,35,88,151,12,32,128,74,38,10,65,210,8,74,251,5,65,226,5,75,201,13,32,3,65,9,41,146,41,40,0,0,0,9,1,0,1,0,2,91,99,
4757 19,32,35,106,119,13,70,219,15,83,239,12,137,154,32,2,67,252,19,36,128,0,0,4,1,130,196,32,2,130,8,91,107,8,32,0,135,81,24,73,211,8,132,161,73,164,13,36,0,8,0,128,2,105,123,26,139,67,
4758 76,99,15,34,1,0,128,135,76,83,156,20,92,104,8,67,251,30,24,86,47,27,123,207,12,24,86,7,15,71,227,8,32,4,65,20,20,131,127,32,0,130,123,32,0,71,223,26,32,19,90,195,22,71,223,15,84,200,
4759 6,32,128,133,241,24,84,149,9,67,41,25,36,0,0,0,22,0,88,111,49,32,87,66,21,5,77,3,27,123,75,7,71,143,19,135,183,71,183,19,130,171,74,252,5,131,5,89,87,17,32,1,132,18,130,232,68,11,10,
4760 33,1,128,70,208,16,66,230,18,147,18,130,254,223,255,75,27,23,65,59,15,135,39,155,255,34,128,128,254,104,92,8,33,0,128,65,32,11,65,1,58,33,26,0,130,0,72,71,18,78,55,17,76,11,19,86,101,
4761 12,75,223,11,89,15,11,24,76,87,15,75,235,15,131,15,72,95,7,85,71,11,72,115,11,73,64,6,34,1,128,128,66,215,9,34,128,254,128,134,14,33,128,255,67,102,5,32,0,130,16,70,38,11,66,26,57,
4762 88,11,8,24,76,215,34,78,139,7,95,245,7,32,7,24,73,75,23,32,128,131,167,130,170,101,158,9,82,49,22,118,139,6,32,18,67,155,44,116,187,9,108,55,14,80,155,23,66,131,15,93,77,10,131,168,
4763 32,128,73,211,12,24,75,187,22,32,4,96,71,20,67,108,19,132,19,120,207,8,32,5,76,79,15,66,111,21,66,95,8,32,3,190,211,111,3,8,211,212,32,20,65,167,44,34,75,0,79,97,59,13,32,33,112,63,
4764 10,65,147,19,69,39,19,143,39,24,66,71,9,130,224,65,185,43,94,176,12,65,183,24,71,38,8,24,72,167,7,65,191,38,136,235,24,96,167,12,65,203,62,115,131,13,65,208,42,175,235,67,127,6,32,
4765 4,76,171,29,114,187,5,32,71,65,211,5,65,203,68,72,51,8,164,219,32,0,172,214,71,239,58,78,3,27,66,143,15,77,19,15,147,31,35,33,53,51,21,66,183,10,173,245,66,170,30,150,30,34,0,0,23,
4766 80,123,54,76,1,16,73,125,15,82,245,11,167,253,24,76,85,12,70,184,5,32,254,131,185,37,254,0,128,1,0,128,133,16,117,158,18,92,27,38,65,3,17,130,251,35,17,0,128,254,24,69,83,39,140,243,
4767 121,73,19,109,167,7,81,41,15,24,95,175,12,102,227,15,121,96,11,24,95,189,7,32,3,145,171,154,17,24,77,47,9,33,0,5,70,71,37,68,135,7,32,29,117,171,11,69,87,15,24,79,97,19,24,79,149,23,
4768 131,59,32,1,75,235,5,72,115,11,72,143,7,132,188,71,27,46,131,51,32,0,69,95,6,175,215,32,21,131,167,81,15,19,151,191,151,23,131,215,71,43,5,32,254,24,79,164,24,74,109,8,77,166,13,65,
4769 176,26,88,162,5,98,159,6,171,219,120,247,6,79,29,8,99,169,10,103,59,19,65,209,35,131,35,91,25,19,112,94,15,83,36,8,173,229,33,20,0,88,75,43,71,31,12,65,191,71,33,1,0,130,203,32,254,
4770 131,4,68,66,7,67,130,6,104,61,13,173,215,38,13,1,0,0,0,2,128,67,111,28,74,129,16,104,35,19,79,161,16,87,14,7,138,143,132,10,67,62,36,114,115,5,162,151,67,33,16,108,181,15,143,151,67,
4771 5,5,24,100,242,15,170,153,34,0,0,14,65,51,34,32,55,79,75,9,32,51,74,7,10,65,57,38,132,142,32,254,72,0,14,139,163,32,128,80,254,8,67,158,21,65,63,7,32,4,72,227,27,95,155,12,67,119,19,
4772 124,91,24,149,154,72,177,34,97,223,8,155,151,24,108,227,15,88,147,16,72,117,19,68,35,11,92,253,15,70,199,15,24,87,209,17,32,2,87,233,7,32,1,24,88,195,10,119,24,8,32,3,81,227,24,65,
4773 125,21,35,128,128,0,25,76,59,48,24,90,187,9,97,235,12,66,61,11,91,105,19,24,79,141,11,24,79,117,15,24,79,129,27,90,53,13,130,13,32,253,131,228,24,79,133,40,69,70,8,66,137,31,65,33,
4774 19,96,107,8,68,119,29,66,7,5,68,125,16,65,253,19,65,241,27,24,90,179,13,24,79,143,18,33,128,128,130,246,32,254,130,168,68,154,36,77,51,9,97,47,5,167,195,32,21,131,183,78,239,27,155,
4775 195,78,231,14,201,196,77,11,6,32,5,73,111,37,97,247,12,77,19,31,155,207,78,215,19,162,212,69,17,14,66,91,19,80,143,57,78,203,39,159,215,32,128,93,134,8,24,80,109,24,66,113,15,169,215,
4776 66,115,6,32,4,69,63,33,32,0,101,113,7,86,227,35,143,211,36,49,53,51,21,1,77,185,14,65,159,28,69,251,34,67,56,8,33,9,0,24,107,175,25,90,111,12,110,251,11,119,189,24,119,187,34,87,15,
4777 9,32,4,66,231,37,90,39,7,66,239,8,84,219,15,69,105,23,24,85,27,27,87,31,11,33,1,128,76,94,6,32,1,85,241,7,33,128,128,106,48,10,33,128,128,69,136,11,133,13,24,79,116,49,84,236,8,24,
4778 91,87,9,32,5,165,255,69,115,12,66,27,15,159,15,24,72,247,12,74,178,5,24,80,64,15,33,0,128,143,17,77,89,51,130,214,24,81,43,7,170,215,74,49,8,159,199,143,31,139,215,69,143,5,32,254,
4779 24,81,50,35,181,217,84,123,70,143,195,159,15,65,187,16,66,123,7,65,175,15,65,193,29,68,207,39,79,27,5,70,131,6,32,4,68,211,33,33,67,0,83,143,14,159,207,143,31,140,223,33,0,128,24,80,
4780 82,14,24,93,16,23,32,253,65,195,5,68,227,40,133,214,107,31,7,32,5,67,115,27,87,9,8,107,31,43,66,125,6,32,0,103,177,23,131,127,72,203,36,32,0,110,103,8,155,163,73,135,6,32,19,24,112,
4781 99,10,65,71,11,73,143,19,143,31,126,195,5,24,85,21,9,24,76,47,14,32,254,24,93,77,36,68,207,11,39,25,0,0,255,128,3,128,4,66,51,37,95,247,13,82,255,24,76,39,19,147,221,66,85,27,24,118,
4782 7,8,24,74,249,12,76,74,8,91,234,8,67,80,17,131,222,33,253,0,121,30,44,73,0,16,69,15,6,32,0,65,23,38,69,231,12,65,179,6,98,131,16,86,31,27,24,108,157,14,80,160,8,24,65,46,17,33,4,0,
4783 96,2,18,144,191,65,226,8,68,19,5,171,199,80,9,15,180,199,67,89,5,32,255,24,79,173,28,174,201,24,79,179,50,32,1,24,122,5,10,82,61,10,180,209,83,19,8,32,128,24,80,129,27,111,248,43,131,
4784 71,24,115,103,8,67,127,41,78,213,24,100,247,19,66,115,39,75,107,5,32,254,165,219,78,170,40,24,112,163,49,32,1,97,203,6,65,173,64,32,0,83,54,7,133,217,88,37,12,32,254,131,28,33,128,
4785 3,67,71,44,84,183,6,32,5,69,223,33,96,7,7,123,137,16,192,211,24,112,14,9,32,255,67,88,29,68,14,10,84,197,38,33,0,22,116,47,50,32,87,106,99,9,116,49,15,89,225,15,97,231,23,70,41,19,
4786 82,85,8,93,167,6,32,253,132,236,108,190,7,89,251,5,116,49,58,33,128,128,131,234,32,15,24,74,67,38,70,227,24,24,83,45,23,89,219,12,70,187,12,89,216,19,32,2,69,185,24,141,24,70,143,66,
4787 24,82,119,56,78,24,10,32,253,133,149,132,6,24,106,233,7,69,198,48,178,203,81,243,12,68,211,15,106,255,23,66,91,15,69,193,7,100,39,10,24,83,72,16,176,204,33,19,0,88,207,45,68,21,12,
4788 68,17,10,65,157,53,68,17,6,32,254,92,67,10,65,161,25,69,182,43,24,118,91,47,69,183,18,181,209,111,253,12,89,159,8,66,112,12,69,184,45,35,0,0,0,9,24,80,227,26,73,185,16,118,195,15,131,
4789 15,33,1,0,65,59,15,66,39,27,160,111,66,205,12,148,111,143,110,33,128,128,156,112,24,81,199,8,75,199,23,66,117,20,155,121,32,254,68,126,12,72,213,29,134,239,149,123,89,27,16,148,117,
4790 65,245,8,24,71,159,14,141,134,134,28,73,51,55,109,77,15,105,131,11,68,67,11,76,169,27,107,209,12,102,174,8,32,128,72,100,18,116,163,56,79,203,11,75,183,44,85,119,19,71,119,23,151,227,
4791 32,1,93,27,8,65,122,5,77,102,8,110,120,20,66,23,8,66,175,17,66,63,12,133,12,79,35,8,74,235,33,67,149,16,69,243,15,78,57,15,69,235,16,67,177,7,151,192,130,23,67,84,29,141,192,174,187,
4792 77,67,15,69,11,12,159,187,77,59,10,199,189,24,70,235,50,96,83,19,66,53,23,105,65,19,77,47,12,163,199,66,67,37,78,207,50,67,23,23,174,205,67,228,6,71,107,13,67,22,14,66,85,11,83,187,
4793 38,124,47,49,95,7,19,66,83,23,67,23,19,24,96,78,17,80,101,16,71,98,40,33,0,7,88,131,22,24,89,245,12,84,45,12,102,213,5,123,12,9,32,2,126,21,14,43,255,0,128,128,0,0,20,0,128,255,128,
4794 3,126,19,39,32,75,106,51,7,113,129,15,24,110,135,19,126,47,15,115,117,11,69,47,11,32,2,109,76,9,102,109,9,32,128,75,2,10,130,21,32,254,69,47,6,32,3,94,217,47,32,0,65,247,10,69,15,46,
4795 65,235,31,65,243,15,101,139,10,66,174,14,65,247,16,72,102,28,69,17,14,84,243,9,165,191,88,47,48,66,53,12,32,128,71,108,6,203,193,32,17,75,187,42,73,65,16,65,133,52,114,123,9,167,199,
4796 69,21,37,86,127,44,75,171,11,180,197,78,213,12,148,200,81,97,46,24,95,243,9,32,4,66,75,33,113,103,9,87,243,36,143,225,24,84,27,31,90,145,8,148,216,67,49,5,24,84,34,14,75,155,27,67,
4797 52,13,140,13,36,0,20,0,128,255,24,135,99,46,88,59,43,155,249,80,165,7,136,144,71,161,23,32,253,132,33,32,254,88,87,44,136,84,35,128,0,0,21,81,103,5,94,47,44,76,51,12,143,197,151,15,
4798 65,215,31,24,64,77,13,65,220,20,65,214,14,71,4,40,65,213,13,32,0,130,0,35,21,1,2,0,135,0,34,36,0,72,134,10,36,1,0,26,0,130,134,11,36,2,0,14,0,108,134,11,32,3,138,23,32,4,138,11,34,
4799 5,0,20,134,33,34,0,0,6,132,23,32,1,134,15,32,18,130,25,133,11,37,1,0,13,0,49,0,133,11,36,2,0,7,0,38,134,11,36,3,0,17,0,45,134,11,32,4,138,35,36,5,0,10,0,62,134,23,32,6,132,23,36,3,
4800 0,1,4,9,130,87,131,167,133,11,133,167,133,11,133,167,133,11,37,3,0,34,0,122,0,133,11,133,167,133,11,133,167,133,11,133,167,34,50,0,48,130,1,34,52,0,47,134,5,8,49,49,0,53,98,121,32,
4801 84,114,105,115,116,97,110,32,71,114,105,109,109,101,114,82,101,103,117,108,97,114,84,84,88,32,80,114,111,103,103,121,67,108,101,97,110,84,84,50,48,48,52,47,130,2,53,49,53,0,98,0,121,
4802 0,32,0,84,0,114,0,105,0,115,0,116,0,97,0,110,130,15,32,71,132,15,36,109,0,109,0,101,130,9,32,82,130,5,36,103,0,117,0,108,130,29,32,114,130,43,34,84,0,88,130,35,32,80,130,25,34,111,
4803 0,103,130,1,34,121,0,67,130,27,32,101,132,59,32,84,130,31,33,0,0,65,155,9,34,20,0,0,65,11,6,130,8,135,2,33,1,1,130,9,8,120,1,1,2,1,3,1,4,1,5,1,6,1,7,1,8,1,9,1,10,1,11,1,12,1,13,1,14,
4804 1,15,1,16,1,17,1,18,1,19,1,20,1,21,1,22,1,23,1,24,1,25,1,26,1,27,1,28,1,29,1,30,1,31,1,32,0,3,0,4,0,5,0,6,0,7,0,8,0,9,0,10,0,11,0,12,0,13,0,14,0,15,0,16,0,17,0,18,0,19,0,20,0,21,0,
4805 22,0,23,0,24,0,25,0,26,0,27,0,28,0,29,0,30,0,31,130,187,8,66,33,0,34,0,35,0,36,0,37,0,38,0,39,0,40,0,41,0,42,0,43,0,44,0,45,0,46,0,47,0,48,0,49,0,50,0,51,0,52,0,53,0,54,0,55,0,56,0,
4806 57,0,58,0,59,0,60,0,61,0,62,0,63,0,64,0,65,0,66,130,243,9,75,68,0,69,0,70,0,71,0,72,0,73,0,74,0,75,0,76,0,77,0,78,0,79,0,80,0,81,0,82,0,83,0,84,0,85,0,86,0,87,0,88,0,89,0,90,0,91,0,
4807 92,0,93,0,94,0,95,0,96,0,97,1,33,1,34,1,35,1,36,1,37,1,38,1,39,1,40,1,41,1,42,1,43,1,44,1,45,1,46,1,47,1,48,1,49,1,50,1,51,1,52,1,53,1,54,1,55,1,56,1,57,1,58,1,59,1,60,1,61,1,62,1,
4808 63,1,64,1,65,0,172,0,163,0,132,0,133,0,189,0,150,0,232,0,134,0,142,0,139,0,157,0,169,0,164,0,239,0,138,0,218,0,131,0,147,0,242,0,243,0,141,0,151,0,136,0,195,0,222,0,241,0,158,0,170,
4809 0,245,0,244,0,246,0,162,0,173,0,201,0,199,0,174,0,98,0,99,0,144,0,100,0,203,0,101,0,200,0,202,0,207,0,204,0,205,0,206,0,233,0,102,0,211,0,208,0,209,0,175,0,103,0,240,0,145,0,214,0,
4810 212,0,213,0,104,0,235,0,237,0,137,0,106,0,105,0,107,0,109,0,108,0,110,0,160,0,111,0,113,0,112,0,114,0,115,0,117,0,116,0,118,0,119,0,234,0,120,0,122,0,121,0,123,0,125,0,124,0,184,0,
4811 161,0,127,0,126,0,128,0,129,0,236,0,238,0,186,14,117,110,105,99,111,100,101,35,48,120,48,48,48,49,141,14,32,50,141,14,32,51,141,14,32,52,141,14,32,53,141,14,32,54,141,14,32,55,141,
4812 14,32,56,141,14,32,57,141,14,32,97,141,14,32,98,141,14,32,99,141,14,32,100,141,14,32,101,141,14,32,102,140,14,33,49,48,141,14,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,
4813 141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,32,49,141,239,45,49,102,6,100,101,108,101,116,101,4,69,117,114,
4814 111,140,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,32,56,141,236,
4815 32,56,141,236,32,56,141,236,32,56,65,220,13,32,57,65,220,13,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,
4816 239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,32,57,141,239,35,57,102,0,0,5,250,72,249,98,247,
4817};
4818
4819static const char* GetDefaultCompressedFontDataTTF(int* out_size)
4820{
4821 *out_size = proggy_clean_ttf_compressed_size;
4822 return (const char*)proggy_clean_ttf_compressed_data;
4823}
4824#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
4825
4826#endif // #ifndef IMGUI_DISABLE
4827