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imgui: bump copy
[mesa.git] / src / imgui / imgui_draw.cpp
1 // dear imgui, v1.68 WIP
2 // (drawing and font code)
3
4 /*
5
6 Index of this file:
7
8 // [SECTION] STB libraries implementation
9 // [SECTION] Style functions
10 // [SECTION] ImDrawList
11 // [SECTION] ImDrawData
12 // [SECTION] Helpers ShadeVertsXXX functions
13 // [SECTION] ImFontConfig
14 // [SECTION] ImFontAtlas
15 // [SECTION] ImFontAtlas glyph ranges helpers
16 // [SECTION] ImFontGlyphRangesBuilder
17 // [SECTION] ImFont
18 // [SECTION] Internal Render Helpers
19 // [SECTION] Decompression code
20 // [SECTION] Default font data (ProggyClean.ttf)
21
22 */
23
24 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
25 #define _CRT_SECURE_NO_WARNINGS
26 #endif
27
28 #include "imgui.h"
29 #ifndef IMGUI_DEFINE_MATH_OPERATORS
30 #define IMGUI_DEFINE_MATH_OPERATORS
31 #endif
32 #include "imgui_internal.h"
33
34 #include <stdio.h> // vsnprintf, sscanf, printf
35 #if !defined(alloca)
36 #if defined(__GLIBC__) || defined(__sun) || defined(__CYGWIN__) || defined(__APPLE__)
37 #include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here)
38 #elif defined(_WIN32)
39 #include <malloc.h> // alloca
40 #if !defined(alloca)
41 #define alloca _alloca // for clang with MS Codegen
42 #endif
43 #else
44 #include <stdlib.h> // alloca
45 #endif
46 #endif
47
48 // Visual Studio warnings
49 #ifdef _MSC_VER
50 #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
51 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
52 #endif
53
54 // Clang/GCC warnings with -Weverything
55 #ifdef __clang__
56 #pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
57 #pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
58 #pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference it.
59 #pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
60 #if __has_warning("-Wzero-as-null-pointer-constant")
61 #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0
62 #endif
63 #if __has_warning("-Wcomma")
64 #pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
65 #endif
66 #if __has_warning("-Wreserved-id-macro")
67 #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
68 #endif
69 #if __has_warning("-Wdouble-promotion")
70 #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.
71 #endif
72 #elif defined(__GNUC__)
73 #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
74 #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
75 #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
76 #if __GNUC__ >= 8
77 #pragma GCC diagnostic ignored "-Wclass-memaccess" // warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
78 #endif
79 #endif
80
81 //-------------------------------------------------------------------------
82 // [SECTION] STB libraries implementation
83 //-------------------------------------------------------------------------
84
85 // Compile time options:
86 //#define IMGUI_STB_NAMESPACE ImGuiStb
87 //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
88 //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
89 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
90 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
91
92 #ifdef IMGUI_STB_NAMESPACE
93 namespace IMGUI_STB_NAMESPACE
94 {
95 #endif
96
97 #ifdef _MSC_VER
98 #pragma warning (push)
99 #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
100 #endif
101
102 #ifdef __clang__
103 #pragma clang diagnostic push
104 #pragma clang diagnostic ignored "-Wunused-function"
105 #pragma clang diagnostic ignored "-Wmissing-prototypes"
106 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
107 #pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier //
108 #endif
109
110 #ifdef __GNUC__
111 #pragma GCC diagnostic push
112 #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
113 #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
114 #endif
115
116 #ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
117 #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
118 #define STBRP_STATIC
119 #define STBRP_ASSERT(x) IM_ASSERT(x)
120 #define STBRP_SORT ImQsort
121 #define STB_RECT_PACK_IMPLEMENTATION
122 #endif
123 #ifdef IMGUI_STB_RECT_PACK_FILENAME
124 #include IMGUI_STB_RECT_PACK_FILENAME
125 #else
126 #include "imstb_rectpack.h"
127 #endif
128 #endif
129
130 #ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
131 #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
132 #define STBTT_malloc(x,u) ((void)(u), ImGui::MemAlloc(x))
133 #define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
134 #define STBTT_assert(x) IM_ASSERT(x)
135 #define STBTT_fmod(x,y) ImFmod(x,y)
136 #define STBTT_sqrt(x) ImSqrt(x)
137 #define STBTT_pow(x,y) ImPow(x,y)
138 #define STBTT_fabs(x) ImFabs(x)
139 #define STBTT_ifloor(x) ((int)ImFloorStd(x))
140 #define STBTT_iceil(x) ((int)ImCeil(x))
141 #define STBTT_STATIC
142 #define STB_TRUETYPE_IMPLEMENTATION
143 #else
144 #define STBTT_DEF extern
145 #endif
146 #ifdef IMGUI_STB_TRUETYPE_FILENAME
147 #include IMGUI_STB_TRUETYPE_FILENAME
148 #else
149 #include "imstb_truetype.h"
150 #endif
151 #endif
152
153 #ifdef __GNUC__
154 #pragma GCC diagnostic pop
155 #endif
156
157 #ifdef __clang__
158 #pragma clang diagnostic pop
159 #endif
160
161 #ifdef _MSC_VER
162 #pragma warning (pop)
163 #endif
164
165 #ifdef IMGUI_STB_NAMESPACE
166 } // namespace ImGuiStb
167 using namespace IMGUI_STB_NAMESPACE;
168 #endif
169
170 //-----------------------------------------------------------------------------
171 // [SECTION] Style functions
172 //-----------------------------------------------------------------------------
173
174 void ImGui::StyleColorsDark(ImGuiStyle* dst)
175 {
176 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
177 ImVec4* colors = style->Colors;
178
179 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
180 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
181 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
182 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
183 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
184 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
185 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
186 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
187 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
188 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
189 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
190 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
191 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
192 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
193 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
194 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
195 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
196 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
197 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
198 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
199 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
200 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
201 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
202 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
203 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
204 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
205 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
206 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
207 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
208 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
209 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
210 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
211 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
212 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
213 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
214 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
215 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
216 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
217 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
218 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
219 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
220 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
221 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
222 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
223 colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
224 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
225 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
226 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
227 }
228
229 void ImGui::StyleColorsClassic(ImGuiStyle* dst)
230 {
231 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
232 ImVec4* colors = style->Colors;
233
234 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
235 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
236 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
237 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
238 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
239 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
240 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
241 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
242 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
243 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
244 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
245 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
246 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
247 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
248 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
249 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
250 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
251 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
252 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
253 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
254 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
255 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
256 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
257 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
258 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
259 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
260 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
261 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
262 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
263 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
264 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f);
265 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
266 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
267 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
268 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
269 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
270 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
271 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
272 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
273 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
274 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
275 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
276 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
277 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
278 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
279 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
280 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
281 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
282 }
283
284 // Those light colors are better suited with a thicker font than the default one + FrameBorder
285 void ImGui::StyleColorsLight(ImGuiStyle* dst)
286 {
287 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
288 ImVec4* colors = style->Colors;
289
290 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
291 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
292 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
293 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
294 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
295 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
296 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
297 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
298 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
299 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
300 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
301 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
302 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
303 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
304 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
305 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
306 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
307 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
308 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
309 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
310 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
311 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
312 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
313 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
314 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
315 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
316 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
317 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
318 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
319 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
320 colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f);
321 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
322 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
323 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f);
324 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
325 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
326 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
327 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
328 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
329 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
330 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
331 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
332 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
333 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
334 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
335 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
336 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
337 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
338 }
339
340 //-----------------------------------------------------------------------------
341 // ImDrawList
342 //-----------------------------------------------------------------------------
343
344 ImDrawListSharedData::ImDrawListSharedData()
345 {
346 Font = NULL;
347 FontSize = 0.0f;
348 CurveTessellationTol = 0.0f;
349 ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f);
350
351 // Const data
352 for (int i = 0; i < IM_ARRAYSIZE(CircleVtx12); i++)
353 {
354 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(CircleVtx12);
355 CircleVtx12[i] = ImVec2(ImCos(a), ImSin(a));
356 }
357 }
358
359 void ImDrawList::Clear()
360 {
361 CmdBuffer.resize(0);
362 IdxBuffer.resize(0);
363 VtxBuffer.resize(0);
364 Flags = ImDrawListFlags_AntiAliasedLines | ImDrawListFlags_AntiAliasedFill;
365 _VtxCurrentIdx = 0;
366 _VtxWritePtr = NULL;
367 _IdxWritePtr = NULL;
368 _ClipRectStack.resize(0);
369 _TextureIdStack.resize(0);
370 _Path.resize(0);
371 _ChannelsCurrent = 0;
372 _ChannelsCount = 1;
373 // NB: Do not clear channels so our allocations are re-used after the first frame.
374 }
375
376 void ImDrawList::ClearFreeMemory()
377 {
378 CmdBuffer.clear();
379 IdxBuffer.clear();
380 VtxBuffer.clear();
381 _VtxCurrentIdx = 0;
382 _VtxWritePtr = NULL;
383 _IdxWritePtr = NULL;
384 _ClipRectStack.clear();
385 _TextureIdStack.clear();
386 _Path.clear();
387 _ChannelsCurrent = 0;
388 _ChannelsCount = 1;
389 for (int i = 0; i < _Channels.Size; i++)
390 {
391 if (i == 0) memset(&_Channels[0], 0, sizeof(_Channels[0])); // channel 0 is a copy of CmdBuffer/IdxBuffer, don't destruct again
392 _Channels[i].CmdBuffer.clear();
393 _Channels[i].IdxBuffer.clear();
394 }
395 _Channels.clear();
396 }
397
398 ImDrawList* ImDrawList::CloneOutput() const
399 {
400 ImDrawList* dst = IM_NEW(ImDrawList(NULL));
401 dst->CmdBuffer = CmdBuffer;
402 dst->IdxBuffer = IdxBuffer;
403 dst->VtxBuffer = VtxBuffer;
404 dst->Flags = Flags;
405 return dst;
406 }
407
408 // Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds
409 #define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
410 #define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : NULL)
411
412 void ImDrawList::AddDrawCmd()
413 {
414 ImDrawCmd draw_cmd;
415 draw_cmd.ClipRect = GetCurrentClipRect();
416 draw_cmd.TextureId = GetCurrentTextureId();
417
418 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
419 CmdBuffer.push_back(draw_cmd);
420 }
421
422 void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
423 {
424 ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
425 if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
426 {
427 AddDrawCmd();
428 current_cmd = &CmdBuffer.back();
429 }
430 current_cmd->UserCallback = callback;
431 current_cmd->UserCallbackData = callback_data;
432
433 AddDrawCmd(); // Force a new command after us (see comment below)
434 }
435
436 // 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.
437 // 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.
438 void ImDrawList::UpdateClipRect()
439 {
440 // If current command is used with different settings we need to add a new command
441 const ImVec4 curr_clip_rect = GetCurrentClipRect();
442 ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
443 if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
444 {
445 AddDrawCmd();
446 return;
447 }
448
449 // Try to merge with previous command if it matches, else use current command
450 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
451 if (curr_cmd->ElemCount == 0 && prev_cmd && memcmp(&prev_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) == 0 && prev_cmd->TextureId == GetCurrentTextureId() && prev_cmd->UserCallback == NULL)
452 CmdBuffer.pop_back();
453 else
454 curr_cmd->ClipRect = curr_clip_rect;
455 }
456
457 void ImDrawList::UpdateTextureID()
458 {
459 // If current command is used with different settings we need to add a new command
460 const ImTextureID curr_texture_id = GetCurrentTextureId();
461 ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
462 if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
463 {
464 AddDrawCmd();
465 return;
466 }
467
468 // Try to merge with previous command if it matches, else use current command
469 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
470 if (curr_cmd->ElemCount == 0 && prev_cmd && prev_cmd->TextureId == curr_texture_id && memcmp(&prev_cmd->ClipRect, &GetCurrentClipRect(), sizeof(ImVec4)) == 0 && prev_cmd->UserCallback == NULL)
471 CmdBuffer.pop_back();
472 else
473 curr_cmd->TextureId = curr_texture_id;
474 }
475
476 #undef GetCurrentClipRect
477 #undef GetCurrentTextureId
478
479 // 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)
480 void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect)
481 {
482 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
483 if (intersect_with_current_clip_rect && _ClipRectStack.Size)
484 {
485 ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1];
486 if (cr.x < current.x) cr.x = current.x;
487 if (cr.y < current.y) cr.y = current.y;
488 if (cr.z > current.z) cr.z = current.z;
489 if (cr.w > current.w) cr.w = current.w;
490 }
491 cr.z = ImMax(cr.x, cr.z);
492 cr.w = ImMax(cr.y, cr.w);
493
494 _ClipRectStack.push_back(cr);
495 UpdateClipRect();
496 }
497
498 void ImDrawList::PushClipRectFullScreen()
499 {
500 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
501 }
502
503 void ImDrawList::PopClipRect()
504 {
505 IM_ASSERT(_ClipRectStack.Size > 0);
506 _ClipRectStack.pop_back();
507 UpdateClipRect();
508 }
509
510 void ImDrawList::PushTextureID(ImTextureID texture_id)
511 {
512 _TextureIdStack.push_back(texture_id);
513 UpdateTextureID();
514 }
515
516 void ImDrawList::PopTextureID()
517 {
518 IM_ASSERT(_TextureIdStack.Size > 0);
519 _TextureIdStack.pop_back();
520 UpdateTextureID();
521 }
522
523 void ImDrawList::ChannelsSplit(int channels_count)
524 {
525 IM_ASSERT(_ChannelsCurrent == 0 && _ChannelsCount == 1);
526 int old_channels_count = _Channels.Size;
527 if (old_channels_count < channels_count)
528 _Channels.resize(channels_count);
529 _ChannelsCount = channels_count;
530
531 // _Channels[] (24/32 bytes each) hold storage that we'll swap with this->_CmdBuffer/_IdxBuffer
532 // 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.
533 // When we switch to the next channel, we'll copy _CmdBuffer/_IdxBuffer into _Channels[0] and then _Channels[1] into _CmdBuffer/_IdxBuffer
534 memset(&_Channels[0], 0, sizeof(ImDrawChannel));
535 for (int i = 1; i < channels_count; i++)
536 {
537 if (i >= old_channels_count)
538 {
539 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
540 }
541 else
542 {
543 _Channels[i].CmdBuffer.resize(0);
544 _Channels[i].IdxBuffer.resize(0);
545 }
546 if (_Channels[i].CmdBuffer.Size == 0)
547 {
548 ImDrawCmd draw_cmd;
549 draw_cmd.ClipRect = _ClipRectStack.back();
550 draw_cmd.TextureId = _TextureIdStack.back();
551 _Channels[i].CmdBuffer.push_back(draw_cmd);
552 }
553 }
554 }
555
556 void ImDrawList::ChannelsMerge()
557 {
558 // 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.
559 if (_ChannelsCount <= 1)
560 return;
561
562 ChannelsSetCurrent(0);
563 if (CmdBuffer.Size && CmdBuffer.back().ElemCount == 0)
564 CmdBuffer.pop_back();
565
566 int new_cmd_buffer_count = 0, new_idx_buffer_count = 0;
567 for (int i = 1; i < _ChannelsCount; i++)
568 {
569 ImDrawChannel& ch = _Channels[i];
570 if (ch.CmdBuffer.Size && ch.CmdBuffer.back().ElemCount == 0)
571 ch.CmdBuffer.pop_back();
572 new_cmd_buffer_count += ch.CmdBuffer.Size;
573 new_idx_buffer_count += ch.IdxBuffer.Size;
574 }
575 CmdBuffer.resize(CmdBuffer.Size + new_cmd_buffer_count);
576 IdxBuffer.resize(IdxBuffer.Size + new_idx_buffer_count);
577
578 ImDrawCmd* cmd_write = CmdBuffer.Data + CmdBuffer.Size - new_cmd_buffer_count;
579 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size - new_idx_buffer_count;
580 for (int i = 1; i < _ChannelsCount; i++)
581 {
582 ImDrawChannel& ch = _Channels[i];
583 if (int sz = ch.CmdBuffer.Size) { memcpy(cmd_write, ch.CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
584 if (int sz = ch.IdxBuffer.Size) { memcpy(_IdxWritePtr, ch.IdxBuffer.Data, sz * sizeof(ImDrawIdx)); _IdxWritePtr += sz; }
585 }
586 UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
587 _ChannelsCount = 1;
588 }
589
590 void ImDrawList::ChannelsSetCurrent(int idx)
591 {
592 IM_ASSERT(idx < _ChannelsCount);
593 if (_ChannelsCurrent == idx) return;
594 memcpy(&_Channels.Data[_ChannelsCurrent].CmdBuffer, &CmdBuffer, sizeof(CmdBuffer)); // copy 12 bytes, four times
595 memcpy(&_Channels.Data[_ChannelsCurrent].IdxBuffer, &IdxBuffer, sizeof(IdxBuffer));
596 _ChannelsCurrent = idx;
597 memcpy(&CmdBuffer, &_Channels.Data[_ChannelsCurrent].CmdBuffer, sizeof(CmdBuffer));
598 memcpy(&IdxBuffer, &_Channels.Data[_ChannelsCurrent].IdxBuffer, sizeof(IdxBuffer));
599 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size;
600 }
601
602 // NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
603 void ImDrawList::PrimReserve(int idx_count, int vtx_count)
604 {
605 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size-1];
606 draw_cmd.ElemCount += idx_count;
607
608 int vtx_buffer_old_size = VtxBuffer.Size;
609 VtxBuffer.resize(vtx_buffer_old_size + vtx_count);
610 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
611
612 int idx_buffer_old_size = IdxBuffer.Size;
613 IdxBuffer.resize(idx_buffer_old_size + idx_count);
614 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
615 }
616
617 // Fully unrolled with inline call to keep our debug builds decently fast.
618 void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
619 {
620 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
621 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
622 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
623 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
624 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
625 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
626 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
627 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
628 _VtxWritePtr += 4;
629 _VtxCurrentIdx += 4;
630 _IdxWritePtr += 6;
631 }
632
633 void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
634 {
635 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);
636 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
637 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
638 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
639 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
640 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
641 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
642 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
643 _VtxWritePtr += 4;
644 _VtxCurrentIdx += 4;
645 _IdxWritePtr += 6;
646 }
647
648 void 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)
649 {
650 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
651 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
652 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
653 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
654 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
655 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
656 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
657 _VtxWritePtr += 4;
658 _VtxCurrentIdx += 4;
659 _IdxWritePtr += 6;
660 }
661
662 // On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds.
663 // Those macros expects l-values.
664 #define IM_NORMALIZE2F_OVER_ZERO(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = 1.0f / ImSqrt(d2); VX *= inv_len; VY *= inv_len; } }
665 #define IM_NORMALIZE2F_OVER_EPSILON_CLAMP(VX,VY,EPS,INVLENMAX) { float d2 = VX*VX + VY*VY; if (d2 > EPS) { float inv_len = 1.0f / ImSqrt(d2); if (inv_len > INVLENMAX) inv_len = INVLENMAX; VX *= inv_len; VY *= inv_len; } }
666
667 // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
668 // We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds.
669 void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
670 {
671 if (points_count < 2)
672 return;
673
674 const ImVec2 uv = _Data->TexUvWhitePixel;
675
676 int count = points_count;
677 if (!closed)
678 count = points_count-1;
679
680 const bool thick_line = thickness > 1.0f;
681 if (Flags & ImDrawListFlags_AntiAliasedLines)
682 {
683 // Anti-aliased stroke
684 const float AA_SIZE = 1.0f;
685 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
686
687 const int idx_count = thick_line ? count*18 : count*12;
688 const int vtx_count = thick_line ? points_count*4 : points_count*3;
689 PrimReserve(idx_count, vtx_count);
690
691 // Temporary buffer
692 ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); //-V630
693 ImVec2* temp_points = temp_normals + points_count;
694
695 for (int i1 = 0; i1 < count; i1++)
696 {
697 const int i2 = (i1+1) == points_count ? 0 : i1+1;
698 float dx = points[i2].x - points[i1].x;
699 float dy = points[i2].y - points[i1].y;
700 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
701 temp_normals[i1].x = dy;
702 temp_normals[i1].y = -dx;
703 }
704 if (!closed)
705 temp_normals[points_count-1] = temp_normals[points_count-2];
706
707 if (!thick_line)
708 {
709 if (!closed)
710 {
711 temp_points[0] = points[0] + temp_normals[0] * AA_SIZE;
712 temp_points[1] = points[0] - temp_normals[0] * AA_SIZE;
713 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE;
714 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE;
715 }
716
717 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
718 unsigned int idx1 = _VtxCurrentIdx;
719 for (int i1 = 0; i1 < count; i1++)
720 {
721 const int i2 = (i1+1) == points_count ? 0 : i1+1;
722 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
723
724 // Average normals
725 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
726 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
727 IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f)
728 dm_x *= AA_SIZE;
729 dm_y *= AA_SIZE;
730
731 // Add temporary vertexes
732 ImVec2* out_vtx = &temp_points[i2*2];
733 out_vtx[0].x = points[i2].x + dm_x;
734 out_vtx[0].y = points[i2].y + dm_y;
735 out_vtx[1].x = points[i2].x - dm_x;
736 out_vtx[1].y = points[i2].y - dm_y;
737
738 // Add indexes
739 _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
740 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0);
741 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
742 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1);
743 _IdxWritePtr += 12;
744
745 idx1 = idx2;
746 }
747
748 // Add vertexes
749 for (int i = 0; i < points_count; i++)
750 {
751 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
752 _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
753 _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
754 _VtxWritePtr += 3;
755 }
756 }
757 else
758 {
759 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
760 if (!closed)
761 {
762 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
763 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
764 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
765 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
766 temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
767 temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
768 temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
769 temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
770 }
771
772 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
773 unsigned int idx1 = _VtxCurrentIdx;
774 for (int i1 = 0; i1 < count; i1++)
775 {
776 const int i2 = (i1+1) == points_count ? 0 : i1+1;
777 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
778
779 // Average normals
780 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
781 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
782 IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
783 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
784 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
785 float dm_in_x = dm_x * half_inner_thickness;
786 float dm_in_y = dm_y * half_inner_thickness;
787
788 // Add temporary vertexes
789 ImVec2* out_vtx = &temp_points[i2*4];
790 out_vtx[0].x = points[i2].x + dm_out_x;
791 out_vtx[0].y = points[i2].y + dm_out_y;
792 out_vtx[1].x = points[i2].x + dm_in_x;
793 out_vtx[1].y = points[i2].y + dm_in_y;
794 out_vtx[2].x = points[i2].x - dm_in_x;
795 out_vtx[2].y = points[i2].y - dm_in_y;
796 out_vtx[3].x = points[i2].x - dm_out_x;
797 out_vtx[3].y = points[i2].y - dm_out_y;
798
799 // Add indexes
800 _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
801 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1);
802 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
803 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1);
804 _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3);
805 _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2);
806 _IdxWritePtr += 18;
807
808 idx1 = idx2;
809 }
810
811 // Add vertexes
812 for (int i = 0; i < points_count; i++)
813 {
814 _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
815 _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
816 _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
817 _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans;
818 _VtxWritePtr += 4;
819 }
820 }
821 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
822 }
823 else
824 {
825 // Non Anti-aliased Stroke
826 const int idx_count = count*6;
827 const int vtx_count = count*4; // FIXME-OPT: Not sharing edges
828 PrimReserve(idx_count, vtx_count);
829
830 for (int i1 = 0; i1 < count; i1++)
831 {
832 const int i2 = (i1+1) == points_count ? 0 : i1+1;
833 const ImVec2& p1 = points[i1];
834 const ImVec2& p2 = points[i2];
835
836 float dx = p2.x - p1.x;
837 float dy = p2.y - p1.y;
838 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
839 dx *= (thickness * 0.5f);
840 dy *= (thickness * 0.5f);
841
842 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
843 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
844 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
845 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
846 _VtxWritePtr += 4;
847
848 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2);
849 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3);
850 _IdxWritePtr += 6;
851 _VtxCurrentIdx += 4;
852 }
853 }
854 }
855
856 // We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.
857 void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
858 {
859 if (points_count < 3)
860 return;
861
862 const ImVec2 uv = _Data->TexUvWhitePixel;
863
864 if (Flags & ImDrawListFlags_AntiAliasedFill)
865 {
866 // Anti-aliased Fill
867 const float AA_SIZE = 1.0f;
868 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
869 const int idx_count = (points_count-2)*3 + points_count*6;
870 const int vtx_count = (points_count*2);
871 PrimReserve(idx_count, vtx_count);
872
873 // Add indexes for fill
874 unsigned int vtx_inner_idx = _VtxCurrentIdx;
875 unsigned int vtx_outer_idx = _VtxCurrentIdx+1;
876 for (int i = 2; i < points_count; i++)
877 {
878 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
879 _IdxWritePtr += 3;
880 }
881
882 // Compute normals
883 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630
884 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
885 {
886 const ImVec2& p0 = points[i0];
887 const ImVec2& p1 = points[i1];
888 float dx = p1.x - p0.x;
889 float dy = p1.y - p0.y;
890 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
891 temp_normals[i0].x = dy;
892 temp_normals[i0].y = -dx;
893 }
894
895 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
896 {
897 // Average normals
898 const ImVec2& n0 = temp_normals[i0];
899 const ImVec2& n1 = temp_normals[i1];
900 float dm_x = (n0.x + n1.x) * 0.5f;
901 float dm_y = (n0.y + n1.y) * 0.5f;
902 IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
903 dm_x *= AA_SIZE * 0.5f;
904 dm_y *= AA_SIZE * 0.5f;
905
906 // Add vertices
907 _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
908 _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
909 _VtxWritePtr += 2;
910
911 // Add indexes for fringes
912 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1));
913 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1));
914 _IdxWritePtr += 6;
915 }
916 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
917 }
918 else
919 {
920 // Non Anti-aliased Fill
921 const int idx_count = (points_count-2)*3;
922 const int vtx_count = points_count;
923 PrimReserve(idx_count, vtx_count);
924 for (int i = 0; i < vtx_count; i++)
925 {
926 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
927 _VtxWritePtr++;
928 }
929 for (int i = 2; i < points_count; i++)
930 {
931 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i);
932 _IdxWritePtr += 3;
933 }
934 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
935 }
936 }
937
938 void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12)
939 {
940 if (radius == 0.0f || a_min_of_12 > a_max_of_12)
941 {
942 _Path.push_back(centre);
943 return;
944 }
945 _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
946 for (int a = a_min_of_12; a <= a_max_of_12; a++)
947 {
948 const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
949 _Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius));
950 }
951 }
952
953 void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments)
954 {
955 if (radius == 0.0f)
956 {
957 _Path.push_back(centre);
958 return;
959 }
960
961 // Note that we are adding a point at both a_min and a_max.
962 // If you are trying to draw a full closed circle you don't want the overlapping points!
963 _Path.reserve(_Path.Size + (num_segments + 1));
964 for (int i = 0; i <= num_segments; i++)
965 {
966 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
967 _Path.push_back(ImVec2(centre.x + ImCos(a) * radius, centre.y + ImSin(a) * radius));
968 }
969 }
970
971 static void PathBezierToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level)
972 {
973 float dx = x4 - x1;
974 float dy = y4 - y1;
975 float d2 = ((x2 - x4) * dy - (y2 - y4) * dx);
976 float d3 = ((x3 - x4) * dy - (y3 - y4) * dx);
977 d2 = (d2 >= 0) ? d2 : -d2;
978 d3 = (d3 >= 0) ? d3 : -d3;
979 if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy))
980 {
981 path->push_back(ImVec2(x4, y4));
982 }
983 else if (level < 10)
984 {
985 float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f;
986 float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f;
987 float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f;
988 float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f;
989 float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f;
990 float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f;
991
992 PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1);
993 PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1);
994 }
995 }
996
997 void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
998 {
999 ImVec2 p1 = _Path.back();
1000 if (num_segments == 0)
1001 {
1002 // Auto-tessellated
1003 PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0);
1004 }
1005 else
1006 {
1007 float t_step = 1.0f / (float)num_segments;
1008 for (int i_step = 1; i_step <= num_segments; i_step++)
1009 {
1010 float t = t_step * i_step;
1011 float u = 1.0f - t;
1012 float w1 = u*u*u;
1013 float w2 = 3*u*u*t;
1014 float w3 = 3*u*t*t;
1015 float w4 = t*t*t;
1016 _Path.push_back(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));
1017 }
1018 }
1019 }
1020
1021 void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, int rounding_corners)
1022 {
1023 rounding = ImMin(rounding, ImFabs(b.x - a.x) * ( ((rounding_corners & ImDrawCornerFlags_Top) == ImDrawCornerFlags_Top) || ((rounding_corners & ImDrawCornerFlags_Bot) == ImDrawCornerFlags_Bot) ? 0.5f : 1.0f ) - 1.0f);
1024 rounding = ImMin(rounding, ImFabs(b.y - a.y) * ( ((rounding_corners & ImDrawCornerFlags_Left) == ImDrawCornerFlags_Left) || ((rounding_corners & ImDrawCornerFlags_Right) == ImDrawCornerFlags_Right) ? 0.5f : 1.0f ) - 1.0f);
1025
1026 if (rounding <= 0.0f || rounding_corners == 0)
1027 {
1028 PathLineTo(a);
1029 PathLineTo(ImVec2(b.x, a.y));
1030 PathLineTo(b);
1031 PathLineTo(ImVec2(a.x, b.y));
1032 }
1033 else
1034 {
1035 const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f;
1036 const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f;
1037 const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f;
1038 const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f;
1039 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9);
1040 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12);
1041 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3);
1042 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6);
1043 }
1044 }
1045
1046 void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness)
1047 {
1048 if ((col & IM_COL32_A_MASK) == 0)
1049 return;
1050 PathLineTo(a + ImVec2(0.5f,0.5f));
1051 PathLineTo(b + ImVec2(0.5f,0.5f));
1052 PathStroke(col, false, thickness);
1053 }
1054
1055 // a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly.
1056 void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags, float thickness)
1057 {
1058 if ((col & IM_COL32_A_MASK) == 0)
1059 return;
1060 if (Flags & ImDrawListFlags_AntiAliasedLines)
1061 PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.50f,0.50f), rounding, rounding_corners_flags);
1062 else
1063 PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.49f,0.49f), rounding, rounding_corners_flags); // Better looking lower-right corner and rounded non-AA shapes.
1064 PathStroke(col, true, thickness);
1065 }
1066
1067 void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags)
1068 {
1069 if ((col & IM_COL32_A_MASK) == 0)
1070 return;
1071 if (rounding > 0.0f)
1072 {
1073 PathRect(a, b, rounding, rounding_corners_flags);
1074 PathFillConvex(col);
1075 }
1076 else
1077 {
1078 PrimReserve(6, 4);
1079 PrimRect(a, b, col);
1080 }
1081 }
1082
1083 void ImDrawList::AddRectFilledMultiColor(const ImVec2& a, const ImVec2& c, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
1084 {
1085 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1086 return;
1087
1088 const ImVec2 uv = _Data->TexUvWhitePixel;
1089 PrimReserve(6, 4);
1090 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
1091 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
1092 PrimWriteVtx(a, uv, col_upr_left);
1093 PrimWriteVtx(ImVec2(c.x, a.y), uv, col_upr_right);
1094 PrimWriteVtx(c, uv, col_bot_right);
1095 PrimWriteVtx(ImVec2(a.x, c.y), uv, col_bot_left);
1096 }
1097
1098 void ImDrawList::AddQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col, float thickness)
1099 {
1100 if ((col & IM_COL32_A_MASK) == 0)
1101 return;
1102
1103 PathLineTo(a);
1104 PathLineTo(b);
1105 PathLineTo(c);
1106 PathLineTo(d);
1107 PathStroke(col, true, thickness);
1108 }
1109
1110 void ImDrawList::AddQuadFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col)
1111 {
1112 if ((col & IM_COL32_A_MASK) == 0)
1113 return;
1114
1115 PathLineTo(a);
1116 PathLineTo(b);
1117 PathLineTo(c);
1118 PathLineTo(d);
1119 PathFillConvex(col);
1120 }
1121
1122 void ImDrawList::AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness)
1123 {
1124 if ((col & IM_COL32_A_MASK) == 0)
1125 return;
1126
1127 PathLineTo(a);
1128 PathLineTo(b);
1129 PathLineTo(c);
1130 PathStroke(col, true, thickness);
1131 }
1132
1133 void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
1134 {
1135 if ((col & IM_COL32_A_MASK) == 0)
1136 return;
1137
1138 PathLineTo(a);
1139 PathLineTo(b);
1140 PathLineTo(c);
1141 PathFillConvex(col);
1142 }
1143
1144 void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments, float thickness)
1145 {
1146 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1147 return;
1148
1149 // Because we are filling a closed shape we remove 1 from the count of segments/points
1150 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1151 PathArcTo(centre, radius-0.5f, 0.0f, a_max, num_segments - 1);
1152 PathStroke(col, true, thickness);
1153 }
1154
1155 void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments)
1156 {
1157 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1158 return;
1159
1160 // Because we are filling a closed shape we remove 1 from the count of segments/points
1161 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1162 PathArcTo(centre, radius, 0.0f, a_max, num_segments - 1);
1163 PathFillConvex(col);
1164 }
1165
1166 void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
1167 {
1168 if ((col & IM_COL32_A_MASK) == 0)
1169 return;
1170
1171 PathLineTo(pos0);
1172 PathBezierCurveTo(cp0, cp1, pos1, num_segments);
1173 PathStroke(col, false, thickness);
1174 }
1175
1176 void ImDrawList::AddText(const 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)
1177 {
1178 if ((col & IM_COL32_A_MASK) == 0)
1179 return;
1180
1181 if (text_end == NULL)
1182 text_end = text_begin + strlen(text_begin);
1183 if (text_begin == text_end)
1184 return;
1185
1186 // Pull default font/size from the shared ImDrawListSharedData instance
1187 if (font == NULL)
1188 font = _Data->Font;
1189 if (font_size == 0.0f)
1190 font_size = _Data->FontSize;
1191
1192 IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1193
1194 ImVec4 clip_rect = _ClipRectStack.back();
1195 if (cpu_fine_clip_rect)
1196 {
1197 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
1198 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
1199 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
1200 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
1201 }
1202 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL);
1203 }
1204
1205 void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1206 {
1207 AddText(NULL, 0.0f, pos, col, text_begin, text_end);
1208 }
1209
1210 void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col)
1211 {
1212 if ((col & IM_COL32_A_MASK) == 0)
1213 return;
1214
1215 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1216 if (push_texture_id)
1217 PushTextureID(user_texture_id);
1218
1219 PrimReserve(6, 4);
1220 PrimRectUV(a, b, uv_a, uv_b, col);
1221
1222 if (push_texture_id)
1223 PopTextureID();
1224 }
1225
1226 void ImDrawList::AddImageQuad(ImTextureID user_texture_id, 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)
1227 {
1228 if ((col & IM_COL32_A_MASK) == 0)
1229 return;
1230
1231 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1232 if (push_texture_id)
1233 PushTextureID(user_texture_id);
1234
1235 PrimReserve(6, 4);
1236 PrimQuadUV(a, b, c, d, uv_a, uv_b, uv_c, uv_d, col);
1237
1238 if (push_texture_id)
1239 PopTextureID();
1240 }
1241
1242 void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col, float rounding, int rounding_corners)
1243 {
1244 if ((col & IM_COL32_A_MASK) == 0)
1245 return;
1246
1247 if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
1248 {
1249 AddImage(user_texture_id, a, b, uv_a, uv_b, col);
1250 return;
1251 }
1252
1253 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1254 if (push_texture_id)
1255 PushTextureID(user_texture_id);
1256
1257 int vert_start_idx = VtxBuffer.Size;
1258 PathRect(a, b, rounding, rounding_corners);
1259 PathFillConvex(col);
1260 int vert_end_idx = VtxBuffer.Size;
1261 ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, a, b, uv_a, uv_b, true);
1262
1263 if (push_texture_id)
1264 PopTextureID();
1265 }
1266
1267 //-----------------------------------------------------------------------------
1268 // [SECTION] ImDrawData
1269 //-----------------------------------------------------------------------------
1270
1271 // 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!
1272 void ImDrawData::DeIndexAllBuffers()
1273 {
1274 ImVector<ImDrawVert> new_vtx_buffer;
1275 TotalVtxCount = TotalIdxCount = 0;
1276 for (int i = 0; i < CmdListsCount; i++)
1277 {
1278 ImDrawList* cmd_list = CmdLists[i];
1279 if (cmd_list->IdxBuffer.empty())
1280 continue;
1281 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
1282 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
1283 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
1284 cmd_list->VtxBuffer.swap(new_vtx_buffer);
1285 cmd_list->IdxBuffer.resize(0);
1286 TotalVtxCount += cmd_list->VtxBuffer.Size;
1287 }
1288 }
1289
1290 // Helper to scale the ClipRect field of each ImDrawCmd.
1291 // Use if your final output buffer is at a different scale than draw_data->DisplaySize,
1292 // or if there is a difference between your window resolution and framebuffer resolution.
1293 void ImDrawData::ScaleClipRects(const ImVec2& fb_scale)
1294 {
1295 for (int i = 0; i < CmdListsCount; i++)
1296 {
1297 ImDrawList* cmd_list = CmdLists[i];
1298 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
1299 {
1300 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i];
1301 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);
1302 }
1303 }
1304 }
1305
1306 //-----------------------------------------------------------------------------
1307 // [SECTION] Helpers ShadeVertsXXX functions
1308 //-----------------------------------------------------------------------------
1309
1310 // Generic linear color gradient, write to RGB fields, leave A untouched.
1311 void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
1312 {
1313 ImVec2 gradient_extent = gradient_p1 - gradient_p0;
1314 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
1315 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1316 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1317 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
1318 {
1319 float d = ImDot(vert->pos - gradient_p0, gradient_extent);
1320 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
1321 int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t);
1322 int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t);
1323 int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t);
1324 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
1325 }
1326 }
1327
1328 // Distribute UV over (a, b) rectangle
1329 void 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)
1330 {
1331 const ImVec2 size = b - a;
1332 const ImVec2 uv_size = uv_b - uv_a;
1333 const ImVec2 scale = ImVec2(
1334 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
1335 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
1336
1337 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1338 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1339 if (clamp)
1340 {
1341 const ImVec2 min = ImMin(uv_a, uv_b);
1342 const ImVec2 max = ImMax(uv_a, uv_b);
1343 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1344 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max);
1345 }
1346 else
1347 {
1348 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1349 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale);
1350 }
1351 }
1352
1353 //-----------------------------------------------------------------------------
1354 // [SECTION] ImFontConfig
1355 //-----------------------------------------------------------------------------
1356
1357 ImFontConfig::ImFontConfig()
1358 {
1359 FontData = NULL;
1360 FontDataSize = 0;
1361 FontDataOwnedByAtlas = true;
1362 FontNo = 0;
1363 SizePixels = 0.0f;
1364 OversampleH = 3; // FIXME: 2 may be a better default?
1365 OversampleV = 1;
1366 PixelSnapH = false;
1367 GlyphExtraSpacing = ImVec2(0.0f, 0.0f);
1368 GlyphOffset = ImVec2(0.0f, 0.0f);
1369 GlyphRanges = NULL;
1370 GlyphMinAdvanceX = 0.0f;
1371 GlyphMaxAdvanceX = FLT_MAX;
1372 MergeMode = false;
1373 RasterizerFlags = 0x00;
1374 RasterizerMultiply = 1.0f;
1375 memset(Name, 0, sizeof(Name));
1376 DstFont = NULL;
1377 }
1378
1379 //-----------------------------------------------------------------------------
1380 // [SECTION] ImFontAtlas
1381 //-----------------------------------------------------------------------------
1382
1383 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
1384 // The white texels on the top left are the ones we'll use everywhere in ImGui to render filled shapes.
1385 const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
1386 const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
1387 const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
1388 static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
1389 {
1390 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX "
1391 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X "
1392 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X "
1393 "X - X.X - X.....X - X.....X -X...X - X...X- X..X "
1394 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X "
1395 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX "
1396 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX "
1397 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX "
1398 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X "
1399 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X"
1400 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X"
1401 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X"
1402 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X"
1403 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X"
1404 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X"
1405 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X"
1406 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X "
1407 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X "
1408 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X "
1409 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X "
1410 " X..X - X...X - X...X - X..X X..X - - X........X "
1411 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX "
1412 "------------ - X - X -X.....................X- ------------------"
1413 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
1414 " - X..X X..X - "
1415 " - X.X X.X - "
1416 " - XX XX - "
1417 };
1418
1419 static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
1420 {
1421 // Pos ........ Size ......... Offset ......
1422 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
1423 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
1424 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
1425 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
1426 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
1427 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
1428 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
1429 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
1430 };
1431
1432 ImFontAtlas::ImFontAtlas()
1433 {
1434 Locked = false;
1435 Flags = ImFontAtlasFlags_None;
1436 TexID = (ImTextureID)NULL;
1437 TexDesiredWidth = 0;
1438 TexGlyphPadding = 1;
1439
1440 TexPixelsAlpha8 = NULL;
1441 TexPixelsRGBA32 = NULL;
1442 TexWidth = TexHeight = 0;
1443 TexUvScale = ImVec2(0.0f, 0.0f);
1444 TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1445 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1446 CustomRectIds[n] = -1;
1447 }
1448
1449 ImFontAtlas::~ImFontAtlas()
1450 {
1451 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1452 Clear();
1453 }
1454
1455 void ImFontAtlas::ClearInputData()
1456 {
1457 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1458 for (int i = 0; i < ConfigData.Size; i++)
1459 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas)
1460 {
1461 ImGui::MemFree(ConfigData[i].FontData);
1462 ConfigData[i].FontData = NULL;
1463 }
1464
1465 // When clearing this we lose access to the font name and other information used to build the font.
1466 for (int i = 0; i < Fonts.Size; i++)
1467 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size)
1468 {
1469 Fonts[i]->ConfigData = NULL;
1470 Fonts[i]->ConfigDataCount = 0;
1471 }
1472 ConfigData.clear();
1473 CustomRects.clear();
1474 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1475 CustomRectIds[n] = -1;
1476 }
1477
1478 void ImFontAtlas::ClearTexData()
1479 {
1480 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1481 if (TexPixelsAlpha8)
1482 ImGui::MemFree(TexPixelsAlpha8);
1483 if (TexPixelsRGBA32)
1484 ImGui::MemFree(TexPixelsRGBA32);
1485 TexPixelsAlpha8 = NULL;
1486 TexPixelsRGBA32 = NULL;
1487 }
1488
1489 void ImFontAtlas::ClearFonts()
1490 {
1491 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1492 for (int i = 0; i < Fonts.Size; i++)
1493 IM_DELETE(Fonts[i]);
1494 Fonts.clear();
1495 }
1496
1497 void ImFontAtlas::Clear()
1498 {
1499 ClearInputData();
1500 ClearTexData();
1501 ClearFonts();
1502 }
1503
1504 void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1505 {
1506 // Build atlas on demand
1507 if (TexPixelsAlpha8 == NULL)
1508 {
1509 if (ConfigData.empty())
1510 AddFontDefault();
1511 Build();
1512 }
1513
1514 *out_pixels = TexPixelsAlpha8;
1515 if (out_width) *out_width = TexWidth;
1516 if (out_height) *out_height = TexHeight;
1517 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
1518 }
1519
1520 void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1521 {
1522 // Convert to RGBA32 format on demand
1523 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
1524 if (!TexPixelsRGBA32)
1525 {
1526 unsigned char* pixels = NULL;
1527 GetTexDataAsAlpha8(&pixels, NULL, NULL);
1528 if (pixels)
1529 {
1530 TexPixelsRGBA32 = (unsigned int*)ImGui::MemAlloc((size_t)TexWidth * (size_t)TexHeight * 4);
1531 const unsigned char* src = pixels;
1532 unsigned int* dst = TexPixelsRGBA32;
1533 for (int n = TexWidth * TexHeight; n > 0; n--)
1534 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
1535 }
1536 }
1537
1538 *out_pixels = (unsigned char*)TexPixelsRGBA32;
1539 if (out_width) *out_width = TexWidth;
1540 if (out_height) *out_height = TexHeight;
1541 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
1542 }
1543
1544 ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
1545 {
1546 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1547 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
1548 IM_ASSERT(font_cfg->SizePixels > 0.0f);
1549
1550 // Create new font
1551 if (!font_cfg->MergeMode)
1552 Fonts.push_back(IM_NEW(ImFont));
1553 else
1554 IM_ASSERT(!Fonts.empty() && "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.
1555
1556 ConfigData.push_back(*font_cfg);
1557 ImFontConfig& new_font_cfg = ConfigData.back();
1558 if (new_font_cfg.DstFont == NULL)
1559 new_font_cfg.DstFont = Fonts.back();
1560 if (!new_font_cfg.FontDataOwnedByAtlas)
1561 {
1562 new_font_cfg.FontData = ImGui::MemAlloc(new_font_cfg.FontDataSize);
1563 new_font_cfg.FontDataOwnedByAtlas = true;
1564 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
1565 }
1566
1567 // Invalidate texture
1568 ClearTexData();
1569 return new_font_cfg.DstFont;
1570 }
1571
1572 // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
1573 static unsigned int stb_decompress_length(const unsigned char *input);
1574 static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length);
1575 static const char* GetDefaultCompressedFontDataTTFBase85();
1576 static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
1577 static void Decode85(const unsigned char* src, unsigned char* dst)
1578 {
1579 while (*src)
1580 {
1581 unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4]))));
1582 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.
1583 src += 5;
1584 dst += 4;
1585 }
1586 }
1587
1588 // Load embedded ProggyClean.ttf at size 13, disable oversampling
1589 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
1590 {
1591 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1592 if (!font_cfg_template)
1593 {
1594 font_cfg.OversampleH = font_cfg.OversampleV = 1;
1595 font_cfg.PixelSnapH = true;
1596 }
1597 if (font_cfg.SizePixels <= 0.0f)
1598 font_cfg.SizePixels = 13.0f * 1.0f;
1599 if (font_cfg.Name[0] == '\0')
1600 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
1601
1602 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
1603 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
1604 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
1605 font->DisplayOffset.y = 1.0f;
1606 return font;
1607 }
1608
1609 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1610 {
1611 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1612 size_t data_size = 0;
1613 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
1614 if (!data)
1615 {
1616 IM_ASSERT(0); // Could not load file.
1617 return NULL;
1618 }
1619 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1620 if (font_cfg.Name[0] == '\0')
1621 {
1622 // Store a short copy of filename into into the font name for convenience
1623 const char* p;
1624 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
1625 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels);
1626 }
1627 return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges);
1628 }
1629
1630 // NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build().
1631 ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1632 {
1633 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1634 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1635 IM_ASSERT(font_cfg.FontData == NULL);
1636 font_cfg.FontData = ttf_data;
1637 font_cfg.FontDataSize = ttf_size;
1638 font_cfg.SizePixels = size_pixels;
1639 if (glyph_ranges)
1640 font_cfg.GlyphRanges = glyph_ranges;
1641 return AddFont(&font_cfg);
1642 }
1643
1644 ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1645 {
1646 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data);
1647 unsigned char* buf_decompressed_data = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size);
1648 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
1649
1650 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1651 IM_ASSERT(font_cfg.FontData == NULL);
1652 font_cfg.FontDataOwnedByAtlas = true;
1653 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
1654 }
1655
1656 ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
1657 {
1658 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
1659 void* compressed_ttf = ImGui::MemAlloc((size_t)compressed_ttf_size);
1660 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
1661 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
1662 ImGui::MemFree(compressed_ttf);
1663 return font;
1664 }
1665
1666 int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
1667 {
1668 IM_ASSERT(id >= 0x10000);
1669 IM_ASSERT(width > 0 && width <= 0xFFFF);
1670 IM_ASSERT(height > 0 && height <= 0xFFFF);
1671 CustomRect r;
1672 r.ID = id;
1673 r.Width = (unsigned short)width;
1674 r.Height = (unsigned short)height;
1675 CustomRects.push_back(r);
1676 return CustomRects.Size - 1; // Return index
1677 }
1678
1679 int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
1680 {
1681 IM_ASSERT(font != NULL);
1682 IM_ASSERT(width > 0 && width <= 0xFFFF);
1683 IM_ASSERT(height > 0 && height <= 0xFFFF);
1684 CustomRect r;
1685 r.ID = id;
1686 r.Width = (unsigned short)width;
1687 r.Height = (unsigned short)height;
1688 r.GlyphAdvanceX = advance_x;
1689 r.GlyphOffset = offset;
1690 r.Font = font;
1691 CustomRects.push_back(r);
1692 return CustomRects.Size - 1; // Return index
1693 }
1694
1695 void ImFontAtlas::CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max)
1696 {
1697 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
1698 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
1699 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
1700 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
1701 }
1702
1703 bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
1704 {
1705 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
1706 return false;
1707 if (Flags & ImFontAtlasFlags_NoMouseCursors)
1708 return false;
1709
1710 IM_ASSERT(CustomRectIds[0] != -1);
1711 ImFontAtlas::CustomRect& r = CustomRects[CustomRectIds[0]];
1712 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
1713 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y);
1714 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
1715 *out_size = size;
1716 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
1717 out_uv_border[0] = (pos) * TexUvScale;
1718 out_uv_border[1] = (pos + size) * TexUvScale;
1719 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
1720 out_uv_fill[0] = (pos) * TexUvScale;
1721 out_uv_fill[1] = (pos + size) * TexUvScale;
1722 return true;
1723 }
1724
1725 bool ImFontAtlas::Build()
1726 {
1727 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1728 return ImFontAtlasBuildWithStbTruetype(this);
1729 }
1730
1731 void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
1732 {
1733 for (unsigned int i = 0; i < 256; i++)
1734 {
1735 unsigned int value = (unsigned int)(i * in_brighten_factor);
1736 out_table[i] = value > 255 ? 255 : (value & 0xFF);
1737 }
1738 }
1739
1740 void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
1741 {
1742 unsigned char* data = pixels + x + y * stride;
1743 for (int j = h; j > 0; j--, data += stride)
1744 for (int i = 0; i < w; i++)
1745 data[i] = table[data[i]];
1746 }
1747
1748 // Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
1749 // (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
1750 struct ImFontBuildSrcData
1751 {
1752 stbtt_fontinfo FontInfo;
1753 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
1754 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
1755 stbtt_packedchar* PackedChars; // Output glyphs
1756 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
1757 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
1758 int GlyphsHighest; // Highest requested codepoint
1759 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
1760 ImBoolVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
1761 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap)
1762 };
1763
1764 // Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
1765 struct ImFontBuildDstData
1766 {
1767 int SrcCount; // Number of source fonts targeting this destination font.
1768 int GlyphsHighest;
1769 int GlyphsCount;
1770 ImBoolVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
1771 };
1772
1773 static void UnpackBoolVectorToFlatIndexList(const ImBoolVector* in, ImVector<int>* out)
1774 {
1775 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
1776 const int* it_begin = in->Storage.begin();
1777 const int* it_end = in->Storage.end();
1778 for (const int* it = it_begin; it < it_end; it++)
1779 if (int entries_32 = *it)
1780 for (int bit_n = 0; bit_n < 32; bit_n++)
1781 if (entries_32 & (1 << bit_n))
1782 out->push_back((int)((it - it_begin) << 5) + bit_n);
1783 }
1784
1785 bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
1786 {
1787 IM_ASSERT(atlas->ConfigData.Size > 0);
1788
1789 ImFontAtlasBuildRegisterDefaultCustomRects(atlas);
1790
1791 // Clear atlas
1792 atlas->TexID = (ImTextureID)NULL;
1793 atlas->TexWidth = atlas->TexHeight = 0;
1794 atlas->TexUvScale = ImVec2(0.0f, 0.0f);
1795 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1796 atlas->ClearTexData();
1797
1798 // Temporary storage for building
1799 ImVector<ImFontBuildSrcData> src_tmp_array;
1800 ImVector<ImFontBuildDstData> dst_tmp_array;
1801 src_tmp_array.resize(atlas->ConfigData.Size);
1802 dst_tmp_array.resize(atlas->Fonts.Size);
1803 memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes());
1804 memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes());
1805
1806 // 1. Initialize font loading structure, check font data validity
1807 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
1808 {
1809 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1810 ImFontConfig& cfg = atlas->ConfigData[src_i];
1811 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
1812
1813 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
1814 src_tmp.DstIndex = -1;
1815 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
1816 if (cfg.DstFont == atlas->Fonts[output_i])
1817 src_tmp.DstIndex = output_i;
1818 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
1819 if (src_tmp.DstIndex == -1)
1820 return false;
1821
1822 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct
1823 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
1824 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
1825 if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
1826 return false;
1827
1828 // Measure highest codepoints
1829 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
1830 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
1831 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
1832 src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
1833 dst_tmp.SrcCount++;
1834 dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest);
1835 }
1836
1837 // 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.
1838 int total_glyphs_count = 0;
1839 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1840 {
1841 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1842 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
1843 ImFontConfig& cfg = atlas->ConfigData[src_i];
1844 src_tmp.GlyphsSet.Resize(src_tmp.GlyphsHighest + 1);
1845 if (dst_tmp.SrcCount > 1 && dst_tmp.GlyphsSet.Storage.empty())
1846 dst_tmp.GlyphsSet.Resize(dst_tmp.GlyphsHighest + 1);
1847
1848 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
1849 for (int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
1850 {
1851 if (cfg.MergeMode && dst_tmp.GlyphsSet.GetBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option (e.g. MergeOverwrite)
1852 continue;
1853 if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font?
1854 continue;
1855
1856 // Add to avail set/counters
1857 src_tmp.GlyphsCount++;
1858 dst_tmp.GlyphsCount++;
1859 src_tmp.GlyphsSet.SetBit(codepoint, true);
1860 if (dst_tmp.SrcCount > 1)
1861 dst_tmp.GlyphsSet.SetBit(codepoint, true);
1862 total_glyphs_count++;
1863 }
1864 }
1865
1866 // 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)
1867 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1868 {
1869 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1870 src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount);
1871 UnpackBoolVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList);
1872 src_tmp.GlyphsSet.Clear();
1873 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
1874 }
1875 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
1876 dst_tmp_array[dst_i].GlyphsSet.Clear();
1877 dst_tmp_array.clear();
1878
1879 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
1880 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
1881 ImVector<stbrp_rect> buf_rects;
1882 ImVector<stbtt_packedchar> buf_packedchars;
1883 buf_rects.resize(total_glyphs_count);
1884 buf_packedchars.resize(total_glyphs_count);
1885 memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes());
1886 memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes());
1887
1888 // 4. Gather glyphs sizes so we can pack them in our virtual canvas.
1889 int total_surface = 0;
1890 int buf_rects_out_n = 0;
1891 int buf_packedchars_out_n = 0;
1892 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1893 {
1894 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1895 if (src_tmp.GlyphsCount == 0)
1896 continue;
1897
1898 src_tmp.Rects = &buf_rects[buf_rects_out_n];
1899 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
1900 buf_rects_out_n += src_tmp.GlyphsCount;
1901 buf_packedchars_out_n += src_tmp.GlyphsCount;
1902
1903 // Convert our ranges in the format stb_truetype wants
1904 ImFontConfig& cfg = atlas->ConfigData[src_i];
1905 src_tmp.PackRange.font_size = cfg.SizePixels;
1906 src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
1907 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
1908 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
1909 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
1910 src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH;
1911 src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV;
1912
1913 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
1914 const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels);
1915 const int padding = atlas->TexGlyphPadding;
1916 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
1917 {
1918 int x0, y0, x1, y1;
1919 const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]);
1920 IM_ASSERT(glyph_index_in_font != 0);
1921 stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1);
1922 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1);
1923 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1);
1924 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
1925 }
1926 }
1927
1928 // We need a width for the skyline algorithm, any width!
1929 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
1930 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
1931 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
1932 atlas->TexHeight = 0;
1933 if (atlas->TexDesiredWidth > 0)
1934 atlas->TexWidth = atlas->TexDesiredWidth;
1935 else
1936 atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512;
1937
1938 // 5. Start packing
1939 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
1940 const int TEX_HEIGHT_MAX = 1024 * 32;
1941 stbtt_pack_context spc = {};
1942 stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL);
1943 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
1944
1945 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
1946 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1947 {
1948 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1949 if (src_tmp.GlyphsCount == 0)
1950 continue;
1951
1952 stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount);
1953
1954 // Extend texture height and mark missing glyphs as non-packed so we won't render them.
1955 // 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?)
1956 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
1957 if (src_tmp.Rects[glyph_i].was_packed)
1958 atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
1959 }
1960
1961 // 7. Allocate texture
1962 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
1963 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
1964 atlas->TexPixelsAlpha8 = (unsigned char*)ImGui::MemAlloc(atlas->TexWidth * atlas->TexHeight);
1965 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
1966 spc.pixels = atlas->TexPixelsAlpha8;
1967 spc.height = atlas->TexHeight;
1968
1969 // 8. Render/rasterize font characters into the texture
1970 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1971 {
1972 ImFontConfig& cfg = atlas->ConfigData[src_i];
1973 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1974 if (src_tmp.GlyphsCount == 0)
1975 continue;
1976
1977 stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects);
1978
1979 // Apply multiply operator
1980 if (cfg.RasterizerMultiply != 1.0f)
1981 {
1982 unsigned char multiply_table[256];
1983 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
1984 stbrp_rect* r = &src_tmp.Rects[0];
1985 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
1986 if (r->was_packed)
1987 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1);
1988 }
1989 src_tmp.Rects = NULL;
1990 }
1991
1992 // End packing
1993 stbtt_PackEnd(&spc);
1994 buf_rects.clear();
1995
1996 // 9. Setup ImFont and glyphs for runtime
1997 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1998 {
1999 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2000 if (src_tmp.GlyphsCount == 0)
2001 continue;
2002
2003 ImFontConfig& cfg = atlas->ConfigData[src_i];
2004 ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
2005
2006 const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels);
2007 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
2008 stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
2009
2010 const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1));
2011 const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
2012 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
2013 const float font_off_x = cfg.GlyphOffset.x;
2014 const float font_off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
2015
2016 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
2017 {
2018 const int codepoint = src_tmp.GlyphsList[glyph_i];
2019 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
2020
2021 const float char_advance_x_org = pc.xadvance;
2022 const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX);
2023 float char_off_x = font_off_x;
2024 if (char_advance_x_org != char_advance_x_mod)
2025 char_off_x += cfg.PixelSnapH ? (float)(int)((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
2026
2027 // Register glyph
2028 stbtt_aligned_quad q;
2029 float dummy_x = 0.0f, dummy_y = 0.0f;
2030 stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0);
2031 dst_font->AddGlyph((ImWchar)codepoint, q.x0 + char_off_x, q.y0 + font_off_y, q.x1 + char_off_x, q.y1 + font_off_y, q.s0, q.t0, q.s1, q.t1, char_advance_x_mod);
2032 }
2033 }
2034
2035 // Cleanup temporary (ImVector doesn't honor destructor)
2036 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2037 src_tmp_array[src_i].~ImFontBuildSrcData();
2038
2039 ImFontAtlasBuildFinish(atlas);
2040 return true;
2041 }
2042
2043 void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas)
2044 {
2045 if (atlas->CustomRectIds[0] >= 0)
2046 return;
2047 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2048 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF*2+1, FONT_ATLAS_DEFAULT_TEX_DATA_H);
2049 else
2050 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2);
2051 }
2052
2053 void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
2054 {
2055 if (!font_config->MergeMode)
2056 {
2057 font->ClearOutputData();
2058 font->FontSize = font_config->SizePixels;
2059 font->ConfigData = font_config;
2060 font->ContainerAtlas = atlas;
2061 font->Ascent = ascent;
2062 font->Descent = descent;
2063 }
2064 font->ConfigDataCount++;
2065 }
2066
2067 void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
2068 {
2069 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
2070 IM_ASSERT(pack_context != NULL);
2071
2072 ImVector<ImFontAtlas::CustomRect>& user_rects = atlas->CustomRects;
2073 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
2074
2075 ImVector<stbrp_rect> pack_rects;
2076 pack_rects.resize(user_rects.Size);
2077 memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes());
2078 for (int i = 0; i < user_rects.Size; i++)
2079 {
2080 pack_rects[i].w = user_rects[i].Width;
2081 pack_rects[i].h = user_rects[i].Height;
2082 }
2083 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
2084 for (int i = 0; i < pack_rects.Size; i++)
2085 if (pack_rects[i].was_packed)
2086 {
2087 user_rects[i].X = pack_rects[i].x;
2088 user_rects[i].Y = pack_rects[i].y;
2089 IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
2090 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
2091 }
2092 }
2093
2094 static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
2095 {
2096 IM_ASSERT(atlas->CustomRectIds[0] >= 0);
2097 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL);
2098 ImFontAtlas::CustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]];
2099 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
2100 IM_ASSERT(r.IsPacked());
2101
2102 const int w = atlas->TexWidth;
2103 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2104 {
2105 // Render/copy pixels
2106 IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
2107 for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++)
2108 for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++)
2109 {
2110 const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w;
2111 const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
2112 atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00;
2113 atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00;
2114 }
2115 }
2116 else
2117 {
2118 IM_ASSERT(r.Width == 2 && r.Height == 2);
2119 const int offset = (int)(r.X) + (int)(r.Y) * w;
2120 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
2121 }
2122 atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y);
2123 }
2124
2125 void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
2126 {
2127 // Render into our custom data block
2128 ImFontAtlasBuildRenderDefaultTexData(atlas);
2129
2130 // Register custom rectangle glyphs
2131 for (int i = 0; i < atlas->CustomRects.Size; i++)
2132 {
2133 const ImFontAtlas::CustomRect& r = atlas->CustomRects[i];
2134 if (r.Font == NULL || r.ID > 0x10000)
2135 continue;
2136
2137 IM_ASSERT(r.Font->ContainerAtlas == atlas);
2138 ImVec2 uv0, uv1;
2139 atlas->CalcCustomRectUV(&r, &uv0, &uv1);
2140 r.Font->AddGlyph((ImWchar)r.ID, 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);
2141 }
2142
2143 // Build all fonts lookup tables
2144 for (int i = 0; i < atlas->Fonts.Size; i++)
2145 if (atlas->Fonts[i]->DirtyLookupTables)
2146 atlas->Fonts[i]->BuildLookupTable();
2147 }
2148
2149 // Retrieve list of range (2 int per range, values are inclusive)
2150 const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
2151 {
2152 static const ImWchar ranges[] =
2153 {
2154 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2155 0,
2156 };
2157 return &ranges[0];
2158 }
2159
2160 const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
2161 {
2162 static const ImWchar ranges[] =
2163 {
2164 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2165 0x3131, 0x3163, // Korean alphabets
2166 0xAC00, 0xD79D, // Korean characters
2167 0,
2168 };
2169 return &ranges[0];
2170 }
2171
2172 const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
2173 {
2174 static const ImWchar ranges[] =
2175 {
2176 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2177 0x2000, 0x206F, // General Punctuation
2178 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2179 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2180 0xFF00, 0xFFEF, // Half-width characters
2181 0x4e00, 0x9FAF, // CJK Ideograms
2182 0,
2183 };
2184 return &ranges[0];
2185 }
2186
2187 static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
2188 {
2189 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
2190 {
2191 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
2192 base_codepoint += accumulative_offsets[n];
2193 }
2194 out_ranges[0] = 0;
2195 }
2196
2197 //-------------------------------------------------------------------------
2198 // [SECTION] ImFontAtlas glyph ranges helpers
2199 //-------------------------------------------------------------------------
2200
2201 const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
2202 {
2203 // Store 2500 regularly used characters for Simplified Chinese.
2204 // 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
2205 // This table covers 97.97% of all characters used during the month in July, 1987.
2206 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2207 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2208 static const short accumulative_offsets_from_0x4E00[] =
2209 {
2210 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,
2211 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,
2212 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,
2213 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,
2214 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,
2215 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,
2216 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,
2217 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,
2218 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,
2219 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,
2220 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,
2221 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,
2222 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,
2223 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,
2224 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,
2225 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,
2226 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,
2227 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,
2228 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,
2229 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,
2230 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,
2231 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,
2232 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,
2233 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,
2234 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,
2235 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,
2236 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,
2237 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,
2238 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,
2239 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,
2240 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,
2241 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,
2242 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,
2243 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,
2244 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,
2245 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,
2246 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,
2247 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,
2248 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,
2249 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
2250 };
2251 static ImWchar base_ranges[] = // not zero-terminated
2252 {
2253 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2254 0x2000, 0x206F, // General Punctuation
2255 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2256 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2257 0xFF00, 0xFFEF // Half-width characters
2258 };
2259 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
2260 if (!full_ranges[0])
2261 {
2262 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2263 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2264 }
2265 return &full_ranges[0];
2266 }
2267
2268 const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
2269 {
2270 // 1946 common ideograms code points for Japanese
2271 // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering
2272 // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this.
2273 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2274 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2275 static const short accumulative_offsets_from_0x4E00[] =
2276 {
2277 0,1,2,4,1,1,1,1,2,1,6,2,2,1,8,5,7,11,1,2,10,10,8,2,4,20,2,11,8,2,1,2,1,6,2,1,7,5,3,7,1,1,13,7,9,1,4,6,1,2,1,10,1,1,9,2,2,4,5,6,14,1,1,9,3,18,
2278 5,4,2,2,10,7,1,1,1,3,2,4,3,23,2,10,12,2,14,2,4,13,1,6,10,3,1,7,13,6,4,13,5,2,3,17,2,2,5,7,6,4,1,7,14,16,6,13,9,15,1,1,7,16,4,7,1,19,9,2,7,15,
2279 2,6,5,13,25,4,14,13,11,25,1,1,1,2,1,2,2,3,10,11,3,3,1,1,4,4,2,1,4,9,1,4,3,5,5,2,7,12,11,15,7,16,4,5,16,2,1,1,6,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1,
2280 2,1,12,3,3,9,5,8,1,11,1,2,3,18,20,4,1,3,6,1,7,3,5,5,7,2,2,12,3,1,4,2,3,2,3,11,8,7,4,17,1,9,25,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,6,16,1,2,1,1,3,12,
2281 20,2,5,20,8,7,6,2,1,1,1,1,6,2,1,2,10,1,1,6,1,3,1,2,1,4,1,12,4,1,3,1,1,1,1,1,10,4,7,5,13,1,15,1,1,30,11,9,1,15,38,14,1,32,17,20,1,9,31,2,21,9,
2282 4,49,22,2,1,13,1,11,45,35,43,55,12,19,83,1,3,2,3,13,2,1,7,3,18,3,13,8,1,8,18,5,3,7,25,24,9,24,40,3,17,24,2,1,6,2,3,16,15,6,7,3,12,1,9,7,3,3,
2283 3,15,21,5,16,4,5,12,11,11,3,6,3,2,31,3,2,1,1,23,6,6,1,4,2,6,5,2,1,1,3,3,22,2,6,2,3,17,3,2,4,5,1,9,5,1,1,6,15,12,3,17,2,14,2,8,1,23,16,4,2,23,
2284 8,15,23,20,12,25,19,47,11,21,65,46,4,3,1,5,6,1,2,5,26,2,1,1,3,11,1,1,1,2,1,2,3,1,1,10,2,3,1,1,1,3,6,3,2,2,6,6,9,2,2,2,6,2,5,10,2,4,1,2,1,2,2,
2285 3,1,1,3,1,2,9,23,9,2,1,1,1,1,5,3,2,1,10,9,6,1,10,2,31,25,3,7,5,40,1,15,6,17,7,27,180,1,3,2,2,1,1,1,6,3,10,7,1,3,6,17,8,6,2,2,1,3,5,5,8,16,14,
2286 15,1,1,4,1,2,1,1,1,3,2,7,5,6,2,5,10,1,4,2,9,1,1,11,6,1,44,1,3,7,9,5,1,3,1,1,10,7,1,10,4,2,7,21,15,7,2,5,1,8,3,4,1,3,1,6,1,4,2,1,4,10,8,1,4,5,
2287 1,5,10,2,7,1,10,1,1,3,4,11,10,29,4,7,3,5,2,3,33,5,2,19,3,1,4,2,6,31,11,1,3,3,3,1,8,10,9,12,11,12,8,3,14,8,6,11,1,4,41,3,1,2,7,13,1,5,6,2,6,12,
2288 12,22,5,9,4,8,9,9,34,6,24,1,1,20,9,9,3,4,1,7,2,2,2,6,2,28,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,8,8,3,2,1,5,1,2,2,3,1,11,11,7,3,6,10,8,6,16,16,
2289 22,7,12,6,21,5,4,6,6,3,6,1,3,2,1,2,8,29,1,10,1,6,13,6,6,19,31,1,13,4,4,22,17,26,33,10,4,15,12,25,6,67,10,2,3,1,6,10,2,6,2,9,1,9,4,4,1,2,16,2,
2290 5,9,2,3,8,1,8,3,9,4,8,6,4,8,11,3,2,1,1,3,26,1,7,5,1,11,1,5,3,5,2,13,6,39,5,1,5,2,11,6,10,5,1,15,5,3,6,19,21,22,2,4,1,6,1,8,1,4,8,2,4,2,2,9,2,
2291 1,1,1,4,3,6,3,12,7,1,14,2,4,10,2,13,1,17,7,3,2,1,3,2,13,7,14,12,3,1,29,2,8,9,15,14,9,14,1,3,1,6,5,9,11,3,38,43,20,7,7,8,5,15,12,19,15,81,8,7,
2292 1,5,73,13,37,28,8,8,1,15,18,20,165,28,1,6,11,8,4,14,7,15,1,3,3,6,4,1,7,14,1,1,11,30,1,5,1,4,14,1,4,2,7,52,2,6,29,3,1,9,1,21,3,5,1,26,3,11,14,
2293 11,1,17,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,7,7,5,17,3,3,3,1,23,10,4,4,6,3,1,16,17,22,3,10,21,16,16,6,4,10,2,1,1,2,8,8,6,5,3,3,3,39,25,
2294 15,1,1,16,6,7,25,15,6,6,12,1,22,13,1,4,9,5,12,2,9,1,12,28,8,3,5,10,22,60,1,2,40,4,61,63,4,1,13,12,1,4,31,12,1,14,89,5,16,6,29,14,2,5,49,18,18,
2295 5,29,33,47,1,17,1,19,12,2,9,7,39,12,3,7,12,39,3,1,46,4,12,3,8,9,5,31,15,18,3,2,2,66,19,13,17,5,3,46,124,13,57,34,2,5,4,5,8,1,1,1,4,3,1,17,5,
2296 3,5,3,1,8,5,6,3,27,3,26,7,12,7,2,17,3,7,18,78,16,4,36,1,2,1,6,2,1,39,17,7,4,13,4,4,4,1,10,4,2,4,6,3,10,1,19,1,26,2,4,33,2,73,47,7,3,8,2,4,15,
2297 18,1,29,2,41,14,1,21,16,41,7,39,25,13,44,2,2,10,1,13,7,1,7,3,5,20,4,8,2,49,1,10,6,1,6,7,10,7,11,16,3,12,20,4,10,3,1,2,11,2,28,9,2,4,7,2,15,1,
2298 27,1,28,17,4,5,10,7,3,24,10,11,6,26,3,2,7,2,2,49,16,10,16,15,4,5,27,61,30,14,38,22,2,7,5,1,3,12,23,24,17,17,3,3,2,4,1,6,2,7,5,1,1,5,1,1,9,4,
2299 1,3,6,1,8,2,8,4,14,3,5,11,4,1,3,32,1,19,4,1,13,11,5,2,1,8,6,8,1,6,5,13,3,23,11,5,3,16,3,9,10,1,24,3,198,52,4,2,2,5,14,5,4,22,5,20,4,11,6,41,
2300 1,5,2,2,11,5,2,28,35,8,22,3,18,3,10,7,5,3,4,1,5,3,8,9,3,6,2,16,22,4,5,5,3,3,18,23,2,6,23,5,27,8,1,33,2,12,43,16,5,2,3,6,1,20,4,2,9,7,1,11,2,
2301 10,3,14,31,9,3,25,18,20,2,5,5,26,14,1,11,17,12,40,19,9,6,31,83,2,7,9,19,78,12,14,21,76,12,113,79,34,4,1,1,61,18,85,10,2,2,13,31,11,50,6,33,159,
2302 179,6,6,7,4,4,2,4,2,5,8,7,20,32,22,1,3,10,6,7,28,5,10,9,2,77,19,13,2,5,1,4,4,7,4,13,3,9,31,17,3,26,2,6,6,5,4,1,7,11,3,4,2,1,6,2,20,4,1,9,2,6,
2303 3,7,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,5,13,8,4,11,23,1,10,6,2,1,3,21,2,2,4,24,31,4,10,10,2,5,192,15,4,16,7,9,51,1,2,1,1,5,1,1,2,1,3,5,3,1,3,4,1,
2304 3,1,3,3,9,8,1,2,2,2,4,4,18,12,92,2,10,4,3,14,5,25,16,42,4,14,4,2,21,5,126,30,31,2,1,5,13,3,22,5,6,6,20,12,1,14,12,87,3,19,1,8,2,9,9,3,3,23,2,
2305 3,7,6,3,1,2,3,9,1,3,1,6,3,2,1,3,11,3,1,6,10,3,2,3,1,2,1,5,1,1,11,3,6,4,1,7,2,1,2,5,5,34,4,14,18,4,19,7,5,8,2,6,79,1,5,2,14,8,2,9,2,1,36,28,16,
2306 4,1,1,1,2,12,6,42,39,16,23,7,15,15,3,2,12,7,21,64,6,9,28,8,12,3,3,41,59,24,51,55,57,294,9,9,2,6,2,15,1,2,13,38,90,9,9,9,3,11,7,1,1,1,5,6,3,2,
2307 1,2,2,3,8,1,4,4,1,5,7,1,4,3,20,4,9,1,1,1,5,5,17,1,5,2,6,2,4,1,4,5,7,3,18,11,11,32,7,5,4,7,11,127,8,4,3,3,1,10,1,1,6,21,14,1,16,1,7,1,3,6,9,65,
2308 51,4,3,13,3,10,1,1,12,9,21,110,3,19,24,1,1,10,62,4,1,29,42,78,28,20,18,82,6,3,15,6,84,58,253,15,155,264,15,21,9,14,7,58,40,39,
2309 };
2310 static ImWchar base_ranges[] = // not zero-terminated
2311 {
2312 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2313 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2314 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2315 0xFF00, 0xFFEF // Half-width characters
2316 };
2317 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
2318 if (!full_ranges[0])
2319 {
2320 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2321 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2322 }
2323 return &full_ranges[0];
2324 }
2325
2326 const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
2327 {
2328 static const ImWchar ranges[] =
2329 {
2330 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2331 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
2332 0x2DE0, 0x2DFF, // Cyrillic Extended-A
2333 0xA640, 0xA69F, // Cyrillic Extended-B
2334 0,
2335 };
2336 return &ranges[0];
2337 }
2338
2339 const ImWchar* ImFontAtlas::GetGlyphRangesThai()
2340 {
2341 static const ImWchar ranges[] =
2342 {
2343 0x0020, 0x00FF, // Basic Latin
2344 0x2010, 0x205E, // Punctuations
2345 0x0E00, 0x0E7F, // Thai
2346 0,
2347 };
2348 return &ranges[0];
2349 }
2350
2351 //-----------------------------------------------------------------------------
2352 // [SECTION] ImFontGlyphRangesBuilder
2353 //-----------------------------------------------------------------------------
2354
2355 void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
2356 {
2357 while (text_end ? (text < text_end) : *text)
2358 {
2359 unsigned int c = 0;
2360 int c_len = ImTextCharFromUtf8(&c, text, text_end);
2361 text += c_len;
2362 if (c_len == 0)
2363 break;
2364 if (c < 0x10000)
2365 AddChar((ImWchar)c);
2366 }
2367 }
2368
2369 void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
2370 {
2371 for (; ranges[0]; ranges += 2)
2372 for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
2373 AddChar(c);
2374 }
2375
2376 void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
2377 {
2378 for (int n = 0; n < 0x10000; n++)
2379 if (GetBit(n))
2380 {
2381 out_ranges->push_back((ImWchar)n);
2382 while (n < 0x10000 && GetBit(n + 1))
2383 n++;
2384 out_ranges->push_back((ImWchar)n);
2385 }
2386 out_ranges->push_back(0);
2387 }
2388
2389 //-----------------------------------------------------------------------------
2390 // [SECTION] ImFont
2391 //-----------------------------------------------------------------------------
2392
2393 ImFont::ImFont()
2394 {
2395 FontSize = 0.0f;
2396 FallbackAdvanceX = 0.0f;
2397 FallbackChar = (ImWchar)'?';
2398 DisplayOffset = ImVec2(0.0f, 0.0f);
2399 FallbackGlyph = NULL;
2400 ContainerAtlas = NULL;
2401 ConfigData = NULL;
2402 ConfigDataCount = 0;
2403 DirtyLookupTables = false;
2404 Scale = 1.0f;
2405 Ascent = Descent = 0.0f;
2406 MetricsTotalSurface = 0;
2407 }
2408
2409 ImFont::~ImFont()
2410 {
2411 ClearOutputData();
2412 }
2413
2414 void ImFont::ClearOutputData()
2415 {
2416 FontSize = 0.0f;
2417 FallbackAdvanceX = 0.0f;
2418 Glyphs.clear();
2419 IndexAdvanceX.clear();
2420 IndexLookup.clear();
2421 FallbackGlyph = NULL;
2422 ContainerAtlas = NULL;
2423 DirtyLookupTables = true;
2424 Ascent = Descent = 0.0f;
2425 MetricsTotalSurface = 0;
2426 }
2427
2428 void ImFont::BuildLookupTable()
2429 {
2430 int max_codepoint = 0;
2431 for (int i = 0; i != Glyphs.Size; i++)
2432 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
2433
2434 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
2435 IndexAdvanceX.clear();
2436 IndexLookup.clear();
2437 DirtyLookupTables = false;
2438 GrowIndex(max_codepoint + 1);
2439 for (int i = 0; i < Glyphs.Size; i++)
2440 {
2441 int codepoint = (int)Glyphs[i].Codepoint;
2442 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
2443 IndexLookup[codepoint] = (ImWchar)i;
2444 }
2445
2446 // Create a glyph to handle TAB
2447 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
2448 if (FindGlyph((ImWchar)' '))
2449 {
2450 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
2451 Glyphs.resize(Glyphs.Size + 1);
2452 ImFontGlyph& tab_glyph = Glyphs.back();
2453 tab_glyph = *FindGlyph((ImWchar)' ');
2454 tab_glyph.Codepoint = '\t';
2455 tab_glyph.AdvanceX *= 4;
2456 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
2457 IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1);
2458 }
2459
2460 FallbackGlyph = FindGlyphNoFallback(FallbackChar);
2461 FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f;
2462 for (int i = 0; i < max_codepoint + 1; i++)
2463 if (IndexAdvanceX[i] < 0.0f)
2464 IndexAdvanceX[i] = FallbackAdvanceX;
2465 }
2466
2467 void ImFont::SetFallbackChar(ImWchar c)
2468 {
2469 FallbackChar = c;
2470 BuildLookupTable();
2471 }
2472
2473 void ImFont::GrowIndex(int new_size)
2474 {
2475 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
2476 if (new_size <= IndexLookup.Size)
2477 return;
2478 IndexAdvanceX.resize(new_size, -1.0f);
2479 IndexLookup.resize(new_size, (ImWchar)-1);
2480 }
2481
2482 // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
2483 // 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).
2484 void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
2485 {
2486 Glyphs.resize(Glyphs.Size + 1);
2487 ImFontGlyph& glyph = Glyphs.back();
2488 glyph.Codepoint = (ImWchar)codepoint;
2489 glyph.X0 = x0;
2490 glyph.Y0 = y0;
2491 glyph.X1 = x1;
2492 glyph.Y1 = y1;
2493 glyph.U0 = u0;
2494 glyph.V0 = v0;
2495 glyph.U1 = u1;
2496 glyph.V1 = v1;
2497 glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
2498
2499 if (ConfigData->PixelSnapH)
2500 glyph.AdvanceX = (float)(int)(glyph.AdvanceX + 0.5f);
2501
2502 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
2503 DirtyLookupTables = true;
2504 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f);
2505 }
2506
2507 void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
2508 {
2509 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
2510 int index_size = IndexLookup.Size;
2511
2512 if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
2513 return;
2514 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
2515 return;
2516
2517 GrowIndex(dst + 1);
2518 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1;
2519 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
2520 }
2521
2522 const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
2523 {
2524 if (c >= IndexLookup.Size)
2525 return FallbackGlyph;
2526 const ImWchar i = IndexLookup.Data[c];
2527 if (i == (ImWchar)-1)
2528 return FallbackGlyph;
2529 return &Glyphs.Data[i];
2530 }
2531
2532 const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
2533 {
2534 if (c >= IndexLookup.Size)
2535 return NULL;
2536 const ImWchar i = IndexLookup.Data[c];
2537 if (i == (ImWchar)-1)
2538 return NULL;
2539 return &Glyphs.Data[i];
2540 }
2541
2542 const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
2543 {
2544 // Simple word-wrapping for English, not full-featured. Please submit failing cases!
2545 // 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.)
2546
2547 // For references, possible wrap point marked with ^
2548 // "aaa bbb, ccc,ddd. eee fff. ggg!"
2549 // ^ ^ ^ ^ ^__ ^ ^
2550
2551 // List of hardcoded separators: .,;!?'"
2552
2553 // Skip extra blanks after a line returns (that includes not counting them in width computation)
2554 // e.g. "Hello world" --> "Hello" "World"
2555
2556 // Cut words that cannot possibly fit within one line.
2557 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
2558
2559 float line_width = 0.0f;
2560 float word_width = 0.0f;
2561 float blank_width = 0.0f;
2562 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
2563
2564 const char* word_end = text;
2565 const char* prev_word_end = NULL;
2566 bool inside_word = true;
2567
2568 const char* s = text;
2569 while (s < text_end)
2570 {
2571 unsigned int c = (unsigned int)*s;
2572 const char* next_s;
2573 if (c < 0x80)
2574 next_s = s + 1;
2575 else
2576 next_s = s + ImTextCharFromUtf8(&c, s, text_end);
2577 if (c == 0)
2578 break;
2579
2580 if (c < 32)
2581 {
2582 if (c == '\n')
2583 {
2584 line_width = word_width = blank_width = 0.0f;
2585 inside_word = true;
2586 s = next_s;
2587 continue;
2588 }
2589 if (c == '\r')
2590 {
2591 s = next_s;
2592 continue;
2593 }
2594 }
2595
2596 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
2597 if (ImCharIsBlankW(c))
2598 {
2599 if (inside_word)
2600 {
2601 line_width += blank_width;
2602 blank_width = 0.0f;
2603 word_end = s;
2604 }
2605 blank_width += char_width;
2606 inside_word = false;
2607 }
2608 else
2609 {
2610 word_width += char_width;
2611 if (inside_word)
2612 {
2613 word_end = next_s;
2614 }
2615 else
2616 {
2617 prev_word_end = word_end;
2618 line_width += word_width + blank_width;
2619 word_width = blank_width = 0.0f;
2620 }
2621
2622 // Allow wrapping after punctuation.
2623 inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"');
2624 }
2625
2626 // We ignore blank width at the end of the line (they can be skipped)
2627 if (line_width + word_width >= wrap_width)
2628 {
2629 // Words that cannot possibly fit within an entire line will be cut anywhere.
2630 if (word_width < wrap_width)
2631 s = prev_word_end ? prev_word_end : word_end;
2632 break;
2633 }
2634
2635 s = next_s;
2636 }
2637
2638 return s;
2639 }
2640
2641 ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
2642 {
2643 if (!text_end)
2644 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
2645
2646 const float line_height = size;
2647 const float scale = size / FontSize;
2648
2649 ImVec2 text_size = ImVec2(0,0);
2650 float line_width = 0.0f;
2651
2652 const bool word_wrap_enabled = (wrap_width > 0.0f);
2653 const char* word_wrap_eol = NULL;
2654
2655 const char* s = text_begin;
2656 while (s < text_end)
2657 {
2658 if (word_wrap_enabled)
2659 {
2660 // 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.
2661 if (!word_wrap_eol)
2662 {
2663 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
2664 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2665 word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below
2666 }
2667
2668 if (s >= word_wrap_eol)
2669 {
2670 if (text_size.x < line_width)
2671 text_size.x = line_width;
2672 text_size.y += line_height;
2673 line_width = 0.0f;
2674 word_wrap_eol = NULL;
2675
2676 // Wrapping skips upcoming blanks
2677 while (s < text_end)
2678 {
2679 const char c = *s;
2680 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2681 }
2682 continue;
2683 }
2684 }
2685
2686 // Decode and advance source
2687 const char* prev_s = s;
2688 unsigned int c = (unsigned int)*s;
2689 if (c < 0x80)
2690 {
2691 s += 1;
2692 }
2693 else
2694 {
2695 s += ImTextCharFromUtf8(&c, s, text_end);
2696 if (c == 0) // Malformed UTF-8?
2697 break;
2698 }
2699
2700 if (c < 32)
2701 {
2702 if (c == '\n')
2703 {
2704 text_size.x = ImMax(text_size.x, line_width);
2705 text_size.y += line_height;
2706 line_width = 0.0f;
2707 continue;
2708 }
2709 if (c == '\r')
2710 continue;
2711 }
2712
2713 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
2714 if (line_width + char_width >= max_width)
2715 {
2716 s = prev_s;
2717 break;
2718 }
2719
2720 line_width += char_width;
2721 }
2722
2723 if (text_size.x < line_width)
2724 text_size.x = line_width;
2725
2726 if (line_width > 0 || text_size.y == 0.0f)
2727 text_size.y += line_height;
2728
2729 if (remaining)
2730 *remaining = s;
2731
2732 return text_size;
2733 }
2734
2735 void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const
2736 {
2737 if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.
2738 return;
2739 if (const ImFontGlyph* glyph = FindGlyph(c))
2740 {
2741 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
2742 pos.x = (float)(int)pos.x + DisplayOffset.x;
2743 pos.y = (float)(int)pos.y + DisplayOffset.y;
2744 draw_list->PrimReserve(6, 4);
2745 draw_list->PrimRectUV(ImVec2(pos.x + glyph->X0 * scale, pos.y + glyph->Y0 * scale), ImVec2(pos.x + glyph->X1 * scale, pos.y + glyph->Y1 * scale), ImVec2(glyph->U0, glyph->V0), ImVec2(glyph->U1, glyph->V1), col);
2746 }
2747 }
2748
2749 void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip) const
2750 {
2751 if (!text_end)
2752 text_end = text_begin + strlen(text_begin); // ImGui functions generally already provides a valid text_end, so this is merely to handle direct calls.
2753
2754 // Align to be pixel perfect
2755 pos.x = (float)(int)pos.x + DisplayOffset.x;
2756 pos.y = (float)(int)pos.y + DisplayOffset.y;
2757 float x = pos.x;
2758 float y = pos.y;
2759 if (y > clip_rect.w)
2760 return;
2761
2762 const float scale = size / FontSize;
2763 const float line_height = FontSize * scale;
2764 const bool word_wrap_enabled = (wrap_width > 0.0f);
2765 const char* word_wrap_eol = NULL;
2766
2767 // Fast-forward to first visible line
2768 const char* s = text_begin;
2769 if (y + line_height < clip_rect.y && !word_wrap_enabled)
2770 while (y + line_height < clip_rect.y && s < text_end)
2771 {
2772 s = (const char*)memchr(s, '\n', text_end - s);
2773 s = s ? s + 1 : text_end;
2774 y += line_height;
2775 }
2776
2777 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
2778 // 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)
2779 if (text_end - s > 10000 && !word_wrap_enabled)
2780 {
2781 const char* s_end = s;
2782 float y_end = y;
2783 while (y_end < clip_rect.w && s_end < text_end)
2784 {
2785 s_end = (const char*)memchr(s_end, '\n', text_end - s_end);
2786 s_end = s_end ? s_end + 1 : text_end;
2787 y_end += line_height;
2788 }
2789 text_end = s_end;
2790 }
2791 if (s == text_end)
2792 return;
2793
2794 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
2795 const int vtx_count_max = (int)(text_end - s) * 4;
2796 const int idx_count_max = (int)(text_end - s) * 6;
2797 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
2798 draw_list->PrimReserve(idx_count_max, vtx_count_max);
2799
2800 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
2801 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
2802 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx;
2803
2804 while (s < text_end)
2805 {
2806 if (word_wrap_enabled)
2807 {
2808 // 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.
2809 if (!word_wrap_eol)
2810 {
2811 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x));
2812 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2813 word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below
2814 }
2815
2816 if (s >= word_wrap_eol)
2817 {
2818 x = pos.x;
2819 y += line_height;
2820 word_wrap_eol = NULL;
2821
2822 // Wrapping skips upcoming blanks
2823 while (s < text_end)
2824 {
2825 const char c = *s;
2826 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2827 }
2828 continue;
2829 }
2830 }
2831
2832 // Decode and advance source
2833 unsigned int c = (unsigned int)*s;
2834 if (c < 0x80)
2835 {
2836 s += 1;
2837 }
2838 else
2839 {
2840 s += ImTextCharFromUtf8(&c, s, text_end);
2841 if (c == 0) // Malformed UTF-8?
2842 break;
2843 }
2844
2845 if (c < 32)
2846 {
2847 if (c == '\n')
2848 {
2849 x = pos.x;
2850 y += line_height;
2851 if (y > clip_rect.w)
2852 break; // break out of main loop
2853 continue;
2854 }
2855 if (c == '\r')
2856 continue;
2857 }
2858
2859 float char_width = 0.0f;
2860 if (const ImFontGlyph* glyph = FindGlyph((ImWchar)c))
2861 {
2862 char_width = glyph->AdvanceX * scale;
2863
2864 // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
2865 if (c != ' ' && c != '\t')
2866 {
2867 // 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
2868 float x1 = x + glyph->X0 * scale;
2869 float x2 = x + glyph->X1 * scale;
2870 float y1 = y + glyph->Y0 * scale;
2871 float y2 = y + glyph->Y1 * scale;
2872 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
2873 {
2874 // Render a character
2875 float u1 = glyph->U0;
2876 float v1 = glyph->V0;
2877 float u2 = glyph->U1;
2878 float v2 = glyph->V1;
2879
2880 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
2881 if (cpu_fine_clip)
2882 {
2883 if (x1 < clip_rect.x)
2884 {
2885 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
2886 x1 = clip_rect.x;
2887 }
2888 if (y1 < clip_rect.y)
2889 {
2890 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
2891 y1 = clip_rect.y;
2892 }
2893 if (x2 > clip_rect.z)
2894 {
2895 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
2896 x2 = clip_rect.z;
2897 }
2898 if (y2 > clip_rect.w)
2899 {
2900 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
2901 y2 = clip_rect.w;
2902 }
2903 if (y1 >= y2)
2904 {
2905 x += char_width;
2906 continue;
2907 }
2908 }
2909
2910 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
2911 {
2912 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
2913 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
2914 vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1;
2915 vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1;
2916 vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2;
2917 vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2;
2918 vtx_write += 4;
2919 vtx_current_idx += 4;
2920 idx_write += 6;
2921 }
2922 }
2923 }
2924 }
2925
2926 x += char_width;
2927 }
2928
2929 // Give back unused vertices
2930 draw_list->VtxBuffer.resize((int)(vtx_write - draw_list->VtxBuffer.Data));
2931 draw_list->IdxBuffer.resize((int)(idx_write - draw_list->IdxBuffer.Data));
2932 draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
2933 draw_list->_VtxWritePtr = vtx_write;
2934 draw_list->_IdxWritePtr = idx_write;
2935 draw_list->_VtxCurrentIdx = (unsigned int)draw_list->VtxBuffer.Size;
2936 }
2937
2938 //-----------------------------------------------------------------------------
2939 // [SECTION] Internal Render Helpers
2940 // (progressively moved from imgui.cpp to here when they are redesigned to stop accessing ImGui global state)
2941 //-----------------------------------------------------------------------------
2942 // - RenderMouseCursor()
2943 // - RenderArrowPointingAt()
2944 // - RenderRectFilledRangeH()
2945 // - RenderPixelEllipsis()
2946 //-----------------------------------------------------------------------------
2947
2948 void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor)
2949 {
2950 if (mouse_cursor == ImGuiMouseCursor_None)
2951 return;
2952 IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
2953
2954 const ImU32 col_shadow = IM_COL32(0, 0, 0, 48);
2955 const ImU32 col_border = IM_COL32(0, 0, 0, 255); // Black
2956 const ImU32 col_fill = IM_COL32(255, 255, 255, 255); // White
2957
2958 ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
2959 ImVec2 offset, size, uv[4];
2960 if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
2961 {
2962 pos -= offset;
2963 const ImTextureID tex_id = font_atlas->TexID;
2964 draw_list->PushTextureID(tex_id);
2965 draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow);
2966 draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow);
2967 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border);
2968 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill);
2969 draw_list->PopTextureID();
2970 }
2971 }
2972
2973 // 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.
2974 void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
2975 {
2976 switch (direction)
2977 {
2978 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;
2979 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;
2980 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;
2981 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;
2982 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
2983 }
2984 }
2985
2986 static inline float ImAcos01(float x)
2987 {
2988 if (x <= 0.0f) return IM_PI * 0.5f;
2989 if (x >= 1.0f) return 0.0f;
2990 return ImAcos(x);
2991 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
2992 }
2993
2994 // FIXME: Cleanup and move code to ImDrawList.
2995 void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
2996 {
2997 if (x_end_norm == x_start_norm)
2998 return;
2999 if (x_start_norm > x_end_norm)
3000 ImSwap(x_start_norm, x_end_norm);
3001
3002 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y);
3003 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y);
3004 if (rounding == 0.0f)
3005 {
3006 draw_list->AddRectFilled(p0, p1, col, 0.0f);
3007 return;
3008 }
3009
3010 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding);
3011 const float inv_rounding = 1.0f / rounding;
3012 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
3013 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
3014 const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return.
3015 const float x0 = ImMax(p0.x, rect.Min.x + rounding);
3016 if (arc0_b == arc0_e)
3017 {
3018 draw_list->PathLineTo(ImVec2(x0, p1.y));
3019 draw_list->PathLineTo(ImVec2(x0, p0.y));
3020 }
3021 else if (arc0_b == 0.0f && arc0_e == half_pi)
3022 {
3023 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
3024 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
3025 }
3026 else
3027 {
3028 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL
3029 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR
3030 }
3031 if (p1.x > rect.Min.x + rounding)
3032 {
3033 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding);
3034 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding);
3035 const float x1 = ImMin(p1.x, rect.Max.x - rounding);
3036 if (arc1_b == arc1_e)
3037 {
3038 draw_list->PathLineTo(ImVec2(x1, p0.y));
3039 draw_list->PathLineTo(ImVec2(x1, p1.y));
3040 }
3041 else if (arc1_b == 0.0f && arc1_e == half_pi)
3042 {
3043 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
3044 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR
3045 }
3046 else
3047 {
3048 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR
3049 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR
3050 }
3051 }
3052 draw_list->PathFillConvex(col);
3053 }
3054
3055 // FIXME: Rendering an ellipsis "..." is a surprisingly tricky problem for us... we cannot rely on font glyph having it,
3056 // and regular dot are typically too wide. If we render a dot/shape ourselves it comes with the risk that it wouldn't match
3057 // the boldness or positioning of what the font uses...
3058 void ImGui::RenderPixelEllipsis(ImDrawList* draw_list, ImVec2 pos, int count, ImU32 col)
3059 {
3060 ImFont* font = draw_list->_Data->Font;
3061 const float font_scale = draw_list->_Data->FontSize / font->FontSize;
3062 pos.y += (float)(int)(font->DisplayOffset.y + font->Ascent * font_scale + 0.5f - 1.0f);
3063 for (int dot_n = 0; dot_n < count; dot_n++)
3064 draw_list->AddRectFilled(ImVec2(pos.x + dot_n * 2.0f, pos.y), ImVec2(pos.x + dot_n * 2.0f + 1.0f, pos.y + 1.0f), col);
3065 }
3066
3067 //-----------------------------------------------------------------------------
3068 // [SECTION] Decompression code
3069 //-----------------------------------------------------------------------------
3070 // Compressed with stb_compress() then converted to a C array and encoded as base85.
3071 // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
3072 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3073 // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
3074 //-----------------------------------------------------------------------------
3075
3076 static unsigned int stb_decompress_length(const unsigned char *input)
3077 {
3078 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
3079 }
3080
3081 static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
3082 static const unsigned char *stb__barrier_in_b;
3083 static unsigned char *stb__dout;
3084 static void stb__match(const unsigned char *data, unsigned int length)
3085 {
3086 // INVERSE of memmove... write each byte before copying the next...
3087 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3088 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3089 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
3090 while (length--) *stb__dout++ = *data++;
3091 }
3092
3093 static void stb__lit(const unsigned char *data, unsigned int length)
3094 {
3095 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3096 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3097 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
3098 memcpy(stb__dout, data, length);
3099 stb__dout += length;
3100 }
3101
3102 #define stb__in2(x) ((i[x] << 8) + i[(x)+1])
3103 #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
3104 #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
3105
3106 static const unsigned char *stb_decompress_token(const unsigned char *i)
3107 {
3108 if (*i >= 0x20) { // use fewer if's for cases that expand small
3109 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
3110 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
3111 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
3112 } else { // more ifs for cases that expand large, since overhead is amortized
3113 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
3114 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
3115 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
3116 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
3117 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
3118 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
3119 }
3120 return i;
3121 }
3122
3123 static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
3124 {
3125 const unsigned long ADLER_MOD = 65521;
3126 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
3127 unsigned long blocklen, i;
3128
3129 blocklen = buflen % 5552;
3130 while (buflen) {
3131 for (i=0; i + 7 < blocklen; i += 8) {
3132 s1 += buffer[0], s2 += s1;
3133 s1 += buffer[1], s2 += s1;
3134 s1 += buffer[2], s2 += s1;
3135 s1 += buffer[3], s2 += s1;
3136 s1 += buffer[4], s2 += s1;
3137 s1 += buffer[5], s2 += s1;
3138 s1 += buffer[6], s2 += s1;
3139 s1 += buffer[7], s2 += s1;
3140
3141 buffer += 8;
3142 }
3143
3144 for (; i < blocklen; ++i)
3145 s1 += *buffer++, s2 += s1;
3146
3147 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
3148 buflen -= blocklen;
3149 blocklen = 5552;
3150 }
3151 return (unsigned int)(s2 << 16) + (unsigned int)s1;
3152 }
3153
3154 static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
3155 {
3156 unsigned int olen;
3157 if (stb__in4(0) != 0x57bC0000) return 0;
3158 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
3159 olen = stb_decompress_length(i);
3160 stb__barrier_in_b = i;
3161 stb__barrier_out_e = output + olen;
3162 stb__barrier_out_b = output;
3163 i += 16;
3164
3165 stb__dout = output;
3166 for (;;) {
3167 const unsigned char *old_i = i;
3168 i = stb_decompress_token(i);
3169 if (i == old_i) {
3170 if (*i == 0x05 && i[1] == 0xfa) {
3171 IM_ASSERT(stb__dout == output + olen);
3172 if (stb__dout != output + olen) return 0;
3173 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
3174 return 0;
3175 return olen;
3176 } else {
3177 IM_ASSERT(0); /* NOTREACHED */
3178 return 0;
3179 }
3180 }
3181 IM_ASSERT(stb__dout <= output + olen);
3182 if (stb__dout > output + olen)
3183 return 0;
3184 }
3185 }
3186
3187 //-----------------------------------------------------------------------------
3188 // [SECTION] Default font data (ProggyClean.ttf)
3189 //-----------------------------------------------------------------------------
3190 // ProggyClean.ttf
3191 // Copyright (c) 2004, 2005 Tristan Grimmer
3192 // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
3193 // Download and more information at http://upperbounds.net
3194 //-----------------------------------------------------------------------------
3195 // File: 'ProggyClean.ttf' (41208 bytes)
3196 // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
3197 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3198 //-----------------------------------------------------------------------------
3199 static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
3200 "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
3201 "2*>]b(MC;$jPfY.;h^`IWM9<Lh2TlS+f-s$o6Q<BWH`YiU.xfLq$N;$0iR/GX:U(jcW2p/W*q?-qmnUCI;jHSAiFWM.R*kU@C=GH?a9wp8f$e.-4^Qg1)Q-GL(lf(r/7GrRgwV%MS=C#"
3202 "`8ND>Qo#t'X#(v#Y9w0#1D$CIf;W'#pWUPXOuxXuU(H9M(1<q-UE31#^-V'8IRUo7Qf./L>=Ke$$'5F%)]0^#0X@U.a<r:QLtFsLcL6##lOj)#.Y5<-R&KgLwqJfLgN&;Q?gI^#DY2uL"
3203 "i@^rMl9t=cWq6##weg>$FBjVQTSDgEKnIS7EM9>ZY9w0#L;>>#Mx&4Mvt//L[MkA#W@lK.N'[0#7RL_&#w+F%HtG9M#XL`N&.,GM4Pg;-<nLENhvx>-VsM.M0rJfLH2eTM`*oJMHRC`N"
3204 "kfimM2J,W-jXS:)r0wK#@Fge$U>`w'N7G#$#fB#$E^$#:9:hk+eOe--6x)F7*E%?76%^GMHePW-Z5l'&GiF#$956:rS?dA#fiK:)Yr+`&#0j@'DbG&#^$PG.Ll+DNa<XCMKEV*N)LN/N"
3205 "*b=%Q6pia-Xg8I$<MR&,VdJe$<(7G;Ckl'&hF;;$<_=X(b.RS%%)###MPBuuE1V:v&cX&#2m#(&cV]`k9OhLMbn%s$G2,B$BfD3X*sp5#l,$R#]x_X1xKX%b5U*[r5iMfUo9U`N99hG)"
3206 "tm+/Us9pG)XPu`<0s-)WTt(gCRxIg(%6sfh=ktMKn3j)<6<b5Sk_/0(^]AaN#(p/L>&VZ>1i%h1S9u5o@YaaW$e+b<TWFn/Z:Oh(Cx2$lNEoN^e)#CFY@@I;BOQ*sRwZtZxRcU7uW6CX"
3207 "ow0i(?$Q[cjOd[P4d)]>ROPOpxTO7Stwi1::iB1q)C_=dV26J;2,]7op$]uQr@_V7$q^%lQwtuHY]=DX,n3L#0PHDO4f9>dC@O>HBuKPpP*E,N+b3L#lpR/MrTEH.IAQk.a>D[.e;mc."
3208 "x]Ip.PH^'/aqUO/$1WxLoW0[iLA<QT;5HKD+@qQ'NQ(3_PLhE48R.qAPSwQ0/WK?Z,[x?-J;jQTWA0X@KJ(_Y8N-:/M74:/-ZpKrUss?d#dZq]DAbkU*JqkL+nwX@@47`5>w=4h(9.`G"
3209 "CRUxHPeR`5Mjol(dUWxZa(>STrPkrJiWx`5U7F#.g*jrohGg`cg:lSTvEY/EV_7H4Q9[Z%cnv;JQYZ5q.l7Zeas:HOIZOB?G<Nald$qs]@]L<J7bR*>gv:[7MI2k).'2($5FNP&EQ(,)"
3210 "U]W]+fh18.vsai00);D3@4ku5P?DP8aJt+;qUM]=+b'8@;mViBKx0DE[-auGl8:PJ&Dj+M6OC]O^((##]`0i)drT;-7X`=-H3[igUnPG-NZlo.#k@h#=Ork$m>a>$-?Tm$UV(?#P6YY#"
3211 "'/###xe7q.73rI3*pP/$1>s9)W,JrM7SN]'/4C#v$U`0#V.[0>xQsH$fEmPMgY2u7Kh(G%siIfLSoS+MK2eTM$=5,M8p`A.;_R%#u[K#$x4AG8.kK/HSB==-'Ie/QTtG?-.*^N-4B/ZM"
3212 "_3YlQC7(p7q)&](`6_c)$/*JL(L-^(]$wIM`dPtOdGA,U3:w2M-0<q-]L_?^)1vw'.,MRsqVr.L;aN&#/EgJ)PBc[-f>+WomX2u7lqM2iEumMTcsF?-aT=Z-97UEnXglEn1K-bnEO`gu"
3213 "Ft(c%=;Am_Qs@jLooI&NX;]0#j4#F14;gl8-GQpgwhrq8'=l_f-b49'UOqkLu7-##oDY2L(te+Mch&gLYtJ,MEtJfLh'x'M=$CS-ZZ%P]8bZ>#S?YY#%Q&q'3^Fw&?D)UDNrocM3A76/"
3214 "/oL?#h7gl85[qW/NDOk%16ij;+:1a'iNIdb-ou8.P*w,v5#EI$TWS>Pot-R*H'-SEpA:g)f+O$%%`kA#G=8RMmG1&O`>to8bC]T&$,n.LoO>29sp3dt-52U%VM#q7'DHpg+#Z9%H[K<L"
3215 "%a2E-grWVM3@2=-k22tL]4$##6We'8UJCKE[d_=%wI;'6X-GsLX4j^SgJ$##R*w,vP3wK#iiW&#*h^D&R?jp7+/u&#(AP##XU8c$fSYW-J95_-Dp[g9wcO&#M-h1OcJlc-*vpw0xUX&#"
3216 "OQFKNX@QI'IoPp7nb,QU//MQ&ZDkKP)X<WSVL(68uVl&#c'[0#(s1X&xm$Y%B7*K:eDA323j998GXbA#pwMs-jgD$9QISB-A_(aN4xoFM^@C58D0+Q+q3n0#3U1InDjF682-SjMXJK)("
3217 "h$hxua_K]ul92%'BOU&#BRRh-slg8KDlr:%L71Ka:.A;%YULjDPmL<LYs8i#XwJOYaKPKc1h:'9Ke,g)b),78=I39B;xiY$bgGw-&.Zi9InXDuYa%G*f2Bq7mn9^#p1vv%#(Wi-;/Z5h"
3218 "o;#2:;%d&#x9v68C5g?ntX0X)pT`;%pB3q7mgGN)3%(P8nTd5L7GeA-GL@+%J3u2:(Yf>et`e;)f#Km8&+DC$I46>#Kr]]u-[=99tts1.qb#q72g1WJO81q+eN'03'eM>&1XxY-caEnO"
3219 "j%2n8)),?ILR5^.Ibn<-X-Mq7[a82Lq:F&#ce+S9wsCK*x`569E8ew'He]h:sI[2LM$[guka3ZRd6:t%IG:;$%YiJ:Nq=?eAw;/:nnDq0(CYcMpG)qLN4$##&J<j$UpK<Q4a1]MupW^-"
3220 "sj_$%[HK%'F####QRZJ::Y3EGl4'@%FkiAOg#p[##O`gukTfBHagL<LHw%q&OV0##F=6/:chIm0@eCP8X]:kFI%hl8hgO@RcBhS-@Qb$%+m=hPDLg*%K8ln(wcf3/'DW-$.lR?n[nCH-"
3221 "eXOONTJlh:.RYF%3'p6sq:UIMA945&^HFS87@$EP2iG<-lCO$%c`uKGD3rC$x0BL8aFn--`ke%#HMP'vh1/R&O_J9'um,.<tx[@%wsJk&bUT2`0uMv7gg#qp/ij.L56'hl;.s5CUrxjO"
3222 "M7-##.l+Au'A&O:-T72L]P`&=;ctp'XScX*rU.>-XTt,%OVU4)S1+R-#dg0/Nn?Ku1^0f$B*P:Rowwm-`0PKjYDDM'3]d39VZHEl4,.j']Pk-M.h^&:0FACm$maq-&sgw0t7/6(^xtk%"
3223 "LuH88Fj-ekm>GA#_>568x6(OFRl-IZp`&b,_P'$M<Jnq79VsJW/mWS*PUiq76;]/NM_>hLbxfc$mj`,O;&%W2m`Zh:/)Uetw:aJ%]K9h:TcF]u_-Sj9,VK3M.*'&0D[Ca]J9gp8,kAW]"
3224 "%(?A%R$f<->Zts'^kn=-^@c4%-pY6qI%J%1IGxfLU9CP8cbPlXv);C=b),<2mOvP8up,UVf3839acAWAW-W?#ao/^#%KYo8fRULNd2.>%m]UK:n%r$'sw]J;5pAoO_#2mO3n,'=H5(et"
3225 "Hg*`+RLgv>=4U8guD$I%D:W>-r5V*%j*W:Kvej.Lp$<M-SGZ':+Q_k+uvOSLiEo(<aD/K<CCc`'Lx>'?;++O'>()jLR-^u68PHm8ZFWe+ej8h:9r6L*0//c&iH&R8pRbA#Kjm%upV1g:"
3226 "a_#Ur7FuA#(tRh#.Y5K+@?3<-8m0$PEn;J:rh6?I6uG<-`wMU'ircp0LaE_OtlMb&1#6T.#FDKu#1Lw%u%+GM+X'e?YLfjM[VO0MbuFp7;>Q&#WIo)0@F%q7c#4XAXN-U&VB<HFF*qL("
3227 "$/V,;(kXZejWO`<[5?\?ewY(*9=%wDc;,u<'9t3W-(H1th3+G]ucQ]kLs7df($/*JL]@*t7Bu_G3_7mp7<iaQjO@.kLg;x3B0lqp7Hf,^Ze7-##@/c58Mo(3;knp0%)A7?-W+eI'o8)b<"
3228 "nKnw'Ho8C=Y>pqB>0ie&jhZ[?iLR@@_AvA-iQC(=ksRZRVp7`.=+NpBC%rh&3]R:8XDmE5^V8O(x<<aG/1N$#FX$0V5Y6x'aErI3I$7x%E`v<-BY,)%-?Psf*l?%C3.mM(=/M0:JxG'?"
3229 "7WhH%o'a<-80g0NBxoO(GH<dM]n.+%q@jH?f.UsJ2Ggs&4<-e47&Kl+f//9@`b+?.TeN_&B8Ss?v;^Trk;f#YvJkl&w$]>-+k?'(<S:68tq*WoDfZu';mM?8X[ma8W%*`-=;D.(nc7/;"
3230 ")g:T1=^J$&BRV(-lTmNB6xqB[@0*o.erM*<SWF]u2=st-*(6v>^](H.aREZSi,#1:[IXaZFOm<-ui#qUq2$##Ri;u75OK#(RtaW-K-F`S+cF]uN`-KMQ%rP/Xri.LRcB##=YL3BgM/3M"
3231 "D?@f&1'BW-)Ju<L25gl8uhVm1hL$##*8###'A3/LkKW+(^rWX?5W_8g)a(m&K8P>#bmmWCMkk&#TR`C,5d>g)F;t,4:@_l8G/5h4vUd%&%950:VXD'QdWoY-F$BtUwmfe$YqL'8(PWX("
3232 "P?^@Po3$##`MSs?DWBZ/S>+4%>fX,VWv/w'KD`LP5IbH;rTV>n3cEK8U#bX]l-/V+^lj3;vlMb&[5YQ8#pekX9JP3XUC72L,,?+Ni&co7ApnO*5NK,((W-i:$,kp'UDAO(G0Sq7MVjJs"
3233 "bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTG&#1T5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
3234 "h4CB/5OvmA&,Q&QbUoi$a_%3M01H)4x7I^&KQVgtFnV+;[Pc>[m4k//,]1?#`VY[Jr*3&&slRfLiVZJ:]?=K3Sw=[$=uRB?3xk48@aeg<Z'<$#4H)6,>e0jT6'N#(q%.O=?2S]u*(m<-"
3235 "V8J'(1)G][68hW$5'q[GC&5j`TE?m'esFGNRM)j,ffZ?-qx8;->g4t*:CIP/[Qap7/9'#(1sao7w-.qNUdkJ)tCF&#B^;xGvn2r9FEPFFFcL@.iFNkTve$m%#QvQS8U@)2Z+3K:AKM5i"
3236 "sZ88+dKQ)W6>J%CL<KE>`.d*(B`-n8D9oK<Up]c$X$(,)M8Zt7/[rdkqTgl-0cuGMv'?>-XV1q['-5k'cAZ69e;D_?$ZPP&s^+7])$*$#@QYi9,5P&#9r+$%CE=68>K8r0=dSC%%(@p7"
3237 ".m7jilQ02'0-VWAg<a/''3u.=4L$Y)6k/K:_[3=&jvL<L0C/2'v:^;-DIBW,B4E68:kZ;%?8(Q8BH=kO65BW?xSG&#@uU,DS*,?.+(o(#1vCS8#CHF>TlGW'b)Tq7VT9q^*^$$.:&N@@"
3238 "$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
3239 "hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
3240 "@-W$U%VEQ/,,>>#)D<h#`)h0:<Q6909ua+&VU%n2:cG3FJ-%@Bj-DgLr`Hw&HAKjKjseK</xKT*)B,N9X3]krc12t'pgTV(Lv-tL[xg_%=M_q7a^x?7Ubd>#%8cY#YZ?=,`Wdxu/ae&#"
3241 "w6)R89tI#6@s'(6Bf7a&?S=^ZI_kS&ai`&=tE72L_D,;^R)7[$s<Eh#c&)q.MXI%#v9ROa5FZO%sF7q7Nwb&#ptUJ:aqJe$Sl68%.D###EC><?-aF&#RNQv>o8lKN%5/$(vdfq7+ebA#"
3242 "u1p]ovUKW&Y%q]'>$1@-[xfn$7ZTp7mM,G,Ko7a&Gu%G[RMxJs[0MM%wci.LFDK)(<c`Q8N)jEIF*+?P2a8g%)$q]o2aH8C&<SibC/q,(e:v;-b#6[$NtDZ84Je2KNvB#$P5?tQ3nt(0"
3243 "d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoF&#4DoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
3244 "6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
3245 "b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
3246 ":k$YUWsbn8ogh6rxZ2Z9]%nd+>V#*8U_72Lh+2Q8Cj0i:6hp&$C/:p(HK>T8Y[gHQ4`4)'$Ab(Nof%V'8hL&#<NEdtg(n'=S1A(Q1/I&4([%dM`,Iu'1:_hL>SfD07&6D<fp8dHM7/g+"
3247 "tlPN9J*rKaPct&?'uBCem^jn%9_K)<,C5K3s=5g&GmJb*[SYq7K;TRLGCsM-$$;S%:Y@r7AK0pprpL<Lrh,q7e/%KWK:50I^+m'vi`3?%Zp+<-d+$L-Sv:@.o19n$s0&39;kn;S%BSq*"
3248 "$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
3249 ":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
3250 "7aQC[K8d-(v6GI$x:T<&'Gp5Uf>@M.*J:;$-rv29'M]8qMv-tLp,'886iaC=Hb*YJoKJ,(j%K=H`K.v9HggqBIiZu'QvBT.#=)0ukruV&.)3=(^1`o*Pj4<-<aN((^7('#Z0wK#5GX@7"
3251 "u][`*S^43933A4rl][`*O4CgLEl]v$1Q3AeF37dbXk,.)vj#x'd`;qgbQR%FW,2(?LO=s%Sc68%NP'##Aotl8x=BE#j1UD([3$M(]UI2LX3RpKN@;/#f'f/&_mt&F)XdF<9t4)Qa.*kT"
3252 "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
3253 ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
3254 "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
3255 "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
3256 "^V'9;jY@;)br#q^YQpx:X#Te$Z^'=-=bGhLf:D6&bNwZ9-ZD#n^9HhLMr5G;']d&6'wYmTFmL<LD)F^%[tC'8;+9E#C$g%#5Y>q9wI>P(9mI[>kC-ekLC/R&CH+s'B;K-M6$EB%is00:"
3257 "+A4[7xks.LrNk0&E)wILYF@2L'0Nb$+pv<(2.768/FrY&h$^3i&@+G%JT'<-,v`3;_)I9M^AE]CN?Cl2AZg+%4iTpT3<n-&%H%b<FDj2M<hH=&Eh<2Len$b*aTX=-8QxN)k11IM1c^j%"
3258 "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
3259 "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
3260 "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
3261 "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
3262 "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
3263 "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
3264 "+fsd;l#SafT/f*W]0=O'$(Tb<[)*@e775R-:Yob%g*>l*:xP?Yb.5)%w_I?7uk5JC+FS(m#i'k.'a0i)9<7b'fs'59hq$*5Uhv##pi^8+hIEBF`nvo`;'l0.^S1<-wUK2/Coh58KKhLj"
3265 "M=SO*rfO`+qC`W-On.=AJ56>>i2@2LH6A:&5q`?9I3@@'04&p2/LVa*T-4<-i3;M9UvZd+N7>b*eIwg:CC)c<>nO&#<IGe;__.thjZl<%w(Wk2xmp4Q@I#I9,DF]u7-P=.-_:YJ]aS@V"
3266 "?6*C()dOp7:WL,b&3Rg/.cmM9&r^>$(>.Z-I&J(Q0Hd5Q%7Co-b`-c<N(6r@ip+AurK<m86QIth*#v;-OBqi+L7wDE-Ir8K['m+DDSLwK&/.?-V%U_%3:qKNu$_b*B-kp7NaD'QdWQPK"
3267 "Yq[@>P)hI;*_F]u`Rb[.j8_Q/<&>uu+VsH$sM9TA%?)(vmJ80),P7E>)tjD%2L=-t#fK[%`v=Q8<FfNkgg^oIbah*#8/Qt$F&:K*-(N/'+1vMB,u()-a.VUU*#[e%gAAO(S>WlA2);Sa"
3268 ">gXm8YB`1d@K#n]76-a$U,mF<fX]idqd)<3,]J7JmW4`6]uks=4-72L(jEk+:bJ0M^q-8Dm_Z?0olP1C9Sa&H[d&c$ooQUj]Exd*3ZM@-WGW2%s',B-_M%>%Ul:#/'xoFM9QX-$.QN'>"
3269 "[%$Z$uF6pA6Ki2O5:8w*vP1<-1`[G,)-m#>0`P&#eb#.3i)rtB61(o'$?X3B</R90;eZ]%Ncq;-Tl]#F>2Qft^ae_5tKL9MUe9b*sLEQ95C&`=G?@Mj=wh*'3E>=-<)Gt*Iw)'QG:`@I"
3270 "wOf7&]1i'S01B+Ev/Nac#9S;=;YQpg_6U`*kVY39xK,[/6Aj7:'1Bm-_1EYfa1+o&o4hp7KN_Q(OlIo@S%;jVdn0'1<Vc52=u`3^o-n1'g4v58Hj&6_t7$##?M)c<$bgQ_'SY((-xkA#"
3271 "Y(,p'H9rIVY-b,'%bCPF7.J<Up^,(dU1VY*5#WkTU>h19w,WQhLI)3S#f$2(eb,jr*b;3Vw]*7NH%$c4Vs,eD9>XW8?N]o+(*pgC%/72LV-u<Hp,3@e^9UB1J+ak9-TN/mhKPg+AJYd$"
3272 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
3273 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
3274 "1*c-(aY168o<`JsSbk-,1N;$>0:OUas(3:8Z972LSfF8eb=c-;>SPw7.6hn3m`9^Xkn(r.qS[0;T%&Qc=+STRxX'q1BNk3&*eu2;&8q$&x>Q#Q7^Tf+6<(d%ZVmj2bDi%.3L2n+4W'$P"
3275 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
3276 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
3277 ";u.T%fAr%4tJ8&><1=GHZ_+m9/#H1F^R#SC#*N=BA9(D?v[UiFY>>^8p,KKF.W]L29uLkLlu/+4T<XoIB&hx=T1PcDaB&;HH+-AFr?(m9HZV)FKS8JCw;SD=6[^/DZUL`EUDf]GGlG&>"
3278 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
3279 "d<F&#*;G##.GY##2Sl##6`($#:l:$#>xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4&#3^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4"
3280 "A1OY5EI0;6Ibgr6M$HS7Q<)58C5w,;WoA*#[%T*#`1g*#d=#+#hI5+#lUG+#pbY+#tnl+#x$),#&1;,#*=M,#.I`,#2Ur,#6b.-#;w[H#iQtA#m^0B#qjBB#uvTB##-hB#'9$C#+E6C#"
3281 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
3282 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
3283 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
3284 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
3285 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
3286
3287 static const char* GetDefaultCompressedFontDataTTFBase85()
3288 {
3289 return proggy_clean_ttf_compressed_data_base85;
3290 }