1 // dear imgui, v1.67
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 #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0
61 #if __has_warning("-Wcomma")
62 #pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
63 #endif
64 #if __has_warning("-Wreserved-id-macro")
65 #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
66 #endif
67 #if __has_warning("-Wdouble-promotion")
68 #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.
69 #endif
70 #elif defined(__GNUC__)
71 #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
72 #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
73 #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
74 #if __GNUC__ >= 8
75 #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
76 #endif
77 #endif
78
79 //-------------------------------------------------------------------------
80 // [SECTION] STB libraries implementation
81 //-------------------------------------------------------------------------
82
83 // Compile time options:
84 //#define IMGUI_STB_NAMESPACE ImGuiStb
85 //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
86 //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
87 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
88 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
89
90 #ifdef IMGUI_STB_NAMESPACE
91 namespace IMGUI_STB_NAMESPACE
92 {
93 #endif
94
95 #ifdef _MSC_VER
96 #pragma warning (push)
97 #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
98 #endif
99
100 #ifdef __clang__
101 #pragma clang diagnostic push
102 #pragma clang diagnostic ignored "-Wunused-function"
103 #pragma clang diagnostic ignored "-Wmissing-prototypes"
104 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
105 #pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier //
106 #endif
107
108 #ifdef __GNUC__
109 #pragma GCC diagnostic push
110 #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
111 #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
112 #endif
113
114 #ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
115 #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
116 #define STBRP_STATIC
117 #define STBRP_ASSERT(x) IM_ASSERT(x)
118 #define STBRP_SORT ImQsort
119 #define STB_RECT_PACK_IMPLEMENTATION
120 #endif
121 #ifdef IMGUI_STB_RECT_PACK_FILENAME
122 #include IMGUI_STB_RECT_PACK_FILENAME
123 #else
124 #include "imstb_rectpack.h"
125 #endif
126 #endif
127
128 #ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
129 #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
130 #define STBTT_malloc(x,u) ((void)(u), ImGui::MemAlloc(x))
131 #define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
132 #define STBTT_assert(x) IM_ASSERT(x)
133 #define STBTT_fmod(x,y) ImFmod(x,y)
134 #define STBTT_sqrt(x) ImSqrt(x)
135 #define STBTT_pow(x,y) ImPow(x,y)
136 #define STBTT_fabs(x) ImFabs(x)
137 #define STBTT_ifloor(x) ((int)ImFloorStd(x))
138 #define STBTT_iceil(x) ((int)ImCeil(x))
139 #define STBTT_STATIC
140 #define STB_TRUETYPE_IMPLEMENTATION
141 #else
142 #define STBTT_DEF extern
143 #endif
144 #ifdef IMGUI_STB_TRUETYPE_FILENAME
145 #include IMGUI_STB_TRUETYPE_FILENAME
146 #else
147 #include "imstb_truetype.h"
148 #endif
149 #endif
150
151 #ifdef __GNUC__
152 #pragma GCC diagnostic pop
153 #endif
154
155 #ifdef __clang__
156 #pragma clang diagnostic pop
157 #endif
158
159 #ifdef _MSC_VER
160 #pragma warning (pop)
161 #endif
162
163 #ifdef IMGUI_STB_NAMESPACE
164 } // namespace ImGuiStb
165 using namespace IMGUI_STB_NAMESPACE;
166 #endif
167
168 //-----------------------------------------------------------------------------
169 // [SECTION] Style functions
170 //-----------------------------------------------------------------------------
171
StyleColorsDark(ImGuiStyle * dst)172 void ImGui::StyleColorsDark(ImGuiStyle* dst)
173 {
174 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
175 ImVec4* colors = style->Colors;
176
177 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
178 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
179 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
180 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
181 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
182 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
183 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
184 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
185 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
186 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
187 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
188 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
189 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
190 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
191 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
192 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
193 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
194 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
195 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
196 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
197 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
198 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
199 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
200 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
201 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
202 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
203 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
204 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
205 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
206 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
207 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
208 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
209 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
210 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
211 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
212 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
213 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
214 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
215 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
216 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
217 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
218 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
219 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
220 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
221 colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
222 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
223 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
224 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
225 }
226
StyleColorsClassic(ImGuiStyle * dst)227 void ImGui::StyleColorsClassic(ImGuiStyle* dst)
228 {
229 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
230 ImVec4* colors = style->Colors;
231
232 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
233 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
234 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
235 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
236 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
237 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
238 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
239 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
240 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
241 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
242 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
243 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
244 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
245 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
246 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
247 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
248 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
249 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
250 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
251 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
252 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
253 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
254 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
255 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
256 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
257 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
258 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
259 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
260 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
261 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
262 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f);
263 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
264 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
265 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
266 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
267 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
268 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
269 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
270 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
271 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
272 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
273 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
274 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
275 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
276 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
277 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
278 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
279 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
280 }
281
282 // Those light colors are better suited with a thicker font than the default one + FrameBorder
StyleColorsLight(ImGuiStyle * dst)283 void ImGui::StyleColorsLight(ImGuiStyle* dst)
284 {
285 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
286 ImVec4* colors = style->Colors;
287
288 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
289 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
290 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
291 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
292 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
293 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
294 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
295 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
296 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
297 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
298 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
299 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
300 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
301 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
302 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
303 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
304 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
305 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
306 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
307 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
308 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
309 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
310 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
311 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
312 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
313 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
314 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
315 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
316 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
317 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
318 colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f);
319 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
320 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
321 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f);
322 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
323 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
324 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
325 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
326 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
327 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
328 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
329 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
330 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
331 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
332 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
333 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
334 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
335 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
336 }
337
338 //-----------------------------------------------------------------------------
339 // ImDrawList
340 //-----------------------------------------------------------------------------
341
ImDrawListSharedData()342 ImDrawListSharedData::ImDrawListSharedData()
343 {
344 Font = NULL;
345 FontSize = 0.0f;
346 CurveTessellationTol = 0.0f;
347 ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f);
348
349 // Const data
350 for (int i = 0; i < IM_ARRAYSIZE(CircleVtx12); i++)
351 {
352 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(CircleVtx12);
353 CircleVtx12[i] = ImVec2(ImCos(a), ImSin(a));
354 }
355 }
356
Clear()357 void ImDrawList::Clear()
358 {
359 CmdBuffer.resize(0);
360 IdxBuffer.resize(0);
361 VtxBuffer.resize(0);
362 Flags = ImDrawListFlags_AntiAliasedLines | ImDrawListFlags_AntiAliasedFill;
363 _VtxCurrentIdx = 0;
364 _VtxWritePtr = NULL;
365 _IdxWritePtr = NULL;
366 _ClipRectStack.resize(0);
367 _TextureIdStack.resize(0);
368 _Path.resize(0);
369 _ChannelsCurrent = 0;
370 _ChannelsCount = 1;
371 // NB: Do not clear channels so our allocations are re-used after the first frame.
372 }
373
ClearFreeMemory()374 void ImDrawList::ClearFreeMemory()
375 {
376 CmdBuffer.clear();
377 IdxBuffer.clear();
378 VtxBuffer.clear();
379 _VtxCurrentIdx = 0;
380 _VtxWritePtr = NULL;
381 _IdxWritePtr = NULL;
382 _ClipRectStack.clear();
383 _TextureIdStack.clear();
384 _Path.clear();
385 _ChannelsCurrent = 0;
386 _ChannelsCount = 1;
387 for (int i = 0; i < _Channels.Size; i++)
388 {
389 if (i == 0) memset(&_Channels[0], 0, sizeof(_Channels[0])); // channel 0 is a copy of CmdBuffer/IdxBuffer, don't destruct again
390 _Channels[i].CmdBuffer.clear();
391 _Channels[i].IdxBuffer.clear();
392 }
393 _Channels.clear();
394 }
395
CloneOutput() const396 ImDrawList* ImDrawList::CloneOutput() const
397 {
398 ImDrawList* dst = IM_NEW(ImDrawList(NULL));
399 dst->CmdBuffer = CmdBuffer;
400 dst->IdxBuffer = IdxBuffer;
401 dst->VtxBuffer = VtxBuffer;
402 dst->Flags = Flags;
403 return dst;
404 }
405
406 // Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds
407 #define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
408 #define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : NULL)
409
AddDrawCmd()410 void ImDrawList::AddDrawCmd()
411 {
412 ImDrawCmd draw_cmd;
413 draw_cmd.ClipRect = GetCurrentClipRect();
414 draw_cmd.TextureId = GetCurrentTextureId();
415
416 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
417 CmdBuffer.push_back(draw_cmd);
418 }
419
AddCallback(ImDrawCallback callback,void * callback_data)420 void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
421 {
422 ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
423 if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
424 {
425 AddDrawCmd();
426 current_cmd = &CmdBuffer.back();
427 }
428 current_cmd->UserCallback = callback;
429 current_cmd->UserCallbackData = callback_data;
430
431 AddDrawCmd(); // Force a new command after us (see comment below)
432 }
433
434 // 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.
435 // 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.
UpdateClipRect()436 void ImDrawList::UpdateClipRect()
437 {
438 // If current command is used with different settings we need to add a new command
439 const ImVec4 curr_clip_rect = GetCurrentClipRect();
440 ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
441 if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
442 {
443 AddDrawCmd();
444 return;
445 }
446
447 // Try to merge with previous command if it matches, else use current command
448 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
449 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)
450 CmdBuffer.pop_back();
451 else
452 curr_cmd->ClipRect = curr_clip_rect;
453 }
454
UpdateTextureID()455 void ImDrawList::UpdateTextureID()
456 {
457 // If current command is used with different settings we need to add a new command
458 const ImTextureID curr_texture_id = GetCurrentTextureId();
459 ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
460 if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
461 {
462 AddDrawCmd();
463 return;
464 }
465
466 // Try to merge with previous command if it matches, else use current command
467 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
468 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)
469 CmdBuffer.pop_back();
470 else
471 curr_cmd->TextureId = curr_texture_id;
472 }
473
474 #undef GetCurrentClipRect
475 #undef GetCurrentTextureId
476
477 // 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)
PushClipRect(ImVec2 cr_min,ImVec2 cr_max,bool intersect_with_current_clip_rect)478 void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect)
479 {
480 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
481 if (intersect_with_current_clip_rect && _ClipRectStack.Size)
482 {
483 ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1];
484 if (cr.x < current.x) cr.x = current.x;
485 if (cr.y < current.y) cr.y = current.y;
486 if (cr.z > current.z) cr.z = current.z;
487 if (cr.w > current.w) cr.w = current.w;
488 }
489 cr.z = ImMax(cr.x, cr.z);
490 cr.w = ImMax(cr.y, cr.w);
491
492 _ClipRectStack.push_back(cr);
493 UpdateClipRect();
494 }
495
PushClipRectFullScreen()496 void ImDrawList::PushClipRectFullScreen()
497 {
498 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
499 }
500
PopClipRect()501 void ImDrawList::PopClipRect()
502 {
503 IM_ASSERT(_ClipRectStack.Size > 0);
504 _ClipRectStack.pop_back();
505 UpdateClipRect();
506 }
507
PushTextureID(ImTextureID texture_id)508 void ImDrawList::PushTextureID(ImTextureID texture_id)
509 {
510 _TextureIdStack.push_back(texture_id);
511 UpdateTextureID();
512 }
513
PopTextureID()514 void ImDrawList::PopTextureID()
515 {
516 IM_ASSERT(_TextureIdStack.Size > 0);
517 _TextureIdStack.pop_back();
518 UpdateTextureID();
519 }
520
ChannelsSplit(int channels_count)521 void ImDrawList::ChannelsSplit(int channels_count)
522 {
523 IM_ASSERT(_ChannelsCurrent == 0 && _ChannelsCount == 1);
524 int old_channels_count = _Channels.Size;
525 if (old_channels_count < channels_count)
526 _Channels.resize(channels_count);
527 _ChannelsCount = channels_count;
528
529 // _Channels[] (24/32 bytes each) hold storage that we'll swap with this->_CmdBuffer/_IdxBuffer
530 // 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.
531 // When we switch to the next channel, we'll copy _CmdBuffer/_IdxBuffer into _Channels[0] and then _Channels[1] into _CmdBuffer/_IdxBuffer
532 memset(&_Channels[0], 0, sizeof(ImDrawChannel));
533 for (int i = 1; i < channels_count; i++)
534 {
535 if (i >= old_channels_count)
536 {
537 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
538 }
539 else
540 {
541 _Channels[i].CmdBuffer.resize(0);
542 _Channels[i].IdxBuffer.resize(0);
543 }
544 if (_Channels[i].CmdBuffer.Size == 0)
545 {
546 ImDrawCmd draw_cmd;
547 draw_cmd.ClipRect = _ClipRectStack.back();
548 draw_cmd.TextureId = _TextureIdStack.back();
549 _Channels[i].CmdBuffer.push_back(draw_cmd);
550 }
551 }
552 }
553
ChannelsMerge()554 void ImDrawList::ChannelsMerge()
555 {
556 // 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.
557 if (_ChannelsCount <= 1)
558 return;
559
560 ChannelsSetCurrent(0);
561 if (CmdBuffer.Size && CmdBuffer.back().ElemCount == 0)
562 CmdBuffer.pop_back();
563
564 int new_cmd_buffer_count = 0, new_idx_buffer_count = 0;
565 for (int i = 1; i < _ChannelsCount; i++)
566 {
567 ImDrawChannel& ch = _Channels[i];
568 if (ch.CmdBuffer.Size && ch.CmdBuffer.back().ElemCount == 0)
569 ch.CmdBuffer.pop_back();
570 new_cmd_buffer_count += ch.CmdBuffer.Size;
571 new_idx_buffer_count += ch.IdxBuffer.Size;
572 }
573 CmdBuffer.resize(CmdBuffer.Size + new_cmd_buffer_count);
574 IdxBuffer.resize(IdxBuffer.Size + new_idx_buffer_count);
575
576 ImDrawCmd* cmd_write = CmdBuffer.Data + CmdBuffer.Size - new_cmd_buffer_count;
577 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size - new_idx_buffer_count;
578 for (int i = 1; i < _ChannelsCount; i++)
579 {
580 ImDrawChannel& ch = _Channels[i];
581 if (int sz = ch.CmdBuffer.Size) { memcpy(cmd_write, ch.CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
582 if (int sz = ch.IdxBuffer.Size) { memcpy(_IdxWritePtr, ch.IdxBuffer.Data, sz * sizeof(ImDrawIdx)); _IdxWritePtr += sz; }
583 }
584 UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
585 _ChannelsCount = 1;
586 }
587
ChannelsSetCurrent(int idx)588 void ImDrawList::ChannelsSetCurrent(int idx)
589 {
590 IM_ASSERT(idx < _ChannelsCount);
591 if (_ChannelsCurrent == idx) return;
592 memcpy(&_Channels.Data[_ChannelsCurrent].CmdBuffer, &CmdBuffer, sizeof(CmdBuffer)); // copy 12 bytes, four times
593 memcpy(&_Channels.Data[_ChannelsCurrent].IdxBuffer, &IdxBuffer, sizeof(IdxBuffer));
594 _ChannelsCurrent = idx;
595 memcpy(&CmdBuffer, &_Channels.Data[_ChannelsCurrent].CmdBuffer, sizeof(CmdBuffer));
596 memcpy(&IdxBuffer, &_Channels.Data[_ChannelsCurrent].IdxBuffer, sizeof(IdxBuffer));
597 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size;
598 }
599
600 // NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
PrimReserve(int idx_count,int vtx_count)601 void ImDrawList::PrimReserve(int idx_count, int vtx_count)
602 {
603 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size-1];
604 draw_cmd.ElemCount += idx_count;
605
606 int vtx_buffer_old_size = VtxBuffer.Size;
607 VtxBuffer.resize(vtx_buffer_old_size + vtx_count);
608 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
609
610 int idx_buffer_old_size = IdxBuffer.Size;
611 IdxBuffer.resize(idx_buffer_old_size + idx_count);
612 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
613 }
614
615 // Fully unrolled with inline call to keep our debug builds decently fast.
PrimRect(const ImVec2 & a,const ImVec2 & c,ImU32 col)616 void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
617 {
618 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
619 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
620 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
621 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
622 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
623 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
624 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
625 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
626 _VtxWritePtr += 4;
627 _VtxCurrentIdx += 4;
628 _IdxWritePtr += 6;
629 }
630
PrimRectUV(const ImVec2 & a,const ImVec2 & c,const ImVec2 & uv_a,const ImVec2 & uv_c,ImU32 col)631 void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
632 {
633 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);
634 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
635 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
636 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
637 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
638 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
639 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
640 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
641 _VtxWritePtr += 4;
642 _VtxCurrentIdx += 4;
643 _IdxWritePtr += 6;
644 }
645
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)646 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)
647 {
648 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
649 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
650 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
651 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
652 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
653 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
654 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
655 _VtxWritePtr += 4;
656 _VtxCurrentIdx += 4;
657 _IdxWritePtr += 6;
658 }
659
660 // On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds.
661 // Those macros expects l-values.
662 #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; } }
663 #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; } }
664
665 // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
666 // We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds.
AddPolyline(const ImVec2 * points,const int points_count,ImU32 col,bool closed,float thickness)667 void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
668 {
669 if (points_count < 2)
670 return;
671
672 const ImVec2 uv = _Data->TexUvWhitePixel;
673
674 int count = points_count;
675 if (!closed)
676 count = points_count-1;
677
678 const bool thick_line = thickness > 1.0f;
679 if (Flags & ImDrawListFlags_AntiAliasedLines)
680 {
681 // Anti-aliased stroke
682 const float AA_SIZE = 1.0f;
683 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
684
685 const int idx_count = thick_line ? count*18 : count*12;
686 const int vtx_count = thick_line ? points_count*4 : points_count*3;
687 PrimReserve(idx_count, vtx_count);
688
689 // Temporary buffer
690 ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2));
691 ImVec2* temp_points = temp_normals + points_count;
692
693 for (int i1 = 0; i1 < count; i1++)
694 {
695 const int i2 = (i1+1) == points_count ? 0 : i1+1;
696 float dx = points[i2].x - points[i1].x;
697 float dy = points[i2].y - points[i1].y;
698 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
699 temp_normals[i1].x = dy;
700 temp_normals[i1].y = -dx;
701 }
702 if (!closed)
703 temp_normals[points_count-1] = temp_normals[points_count-2];
704
705 if (!thick_line)
706 {
707 if (!closed)
708 {
709 temp_points[0] = points[0] + temp_normals[0] * AA_SIZE;
710 temp_points[1] = points[0] - temp_normals[0] * AA_SIZE;
711 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE;
712 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE;
713 }
714
715 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
716 unsigned int idx1 = _VtxCurrentIdx;
717 for (int i1 = 0; i1 < count; i1++)
718 {
719 const int i2 = (i1+1) == points_count ? 0 : i1+1;
720 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
721
722 // Average normals
723 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
724 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
725 IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f)
726 dm_x *= AA_SIZE;
727 dm_y *= AA_SIZE;
728
729 // Add temporary vertexes
730 ImVec2* out_vtx = &temp_points[i2*2];
731 out_vtx[0].x = points[i2].x + dm_x;
732 out_vtx[0].y = points[i2].y + dm_y;
733 out_vtx[1].x = points[i2].x - dm_x;
734 out_vtx[1].y = points[i2].y - dm_y;
735
736 // Add indexes
737 _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
738 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0);
739 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
740 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1);
741 _IdxWritePtr += 12;
742
743 idx1 = idx2;
744 }
745
746 // Add vertexes
747 for (int i = 0; i < points_count; i++)
748 {
749 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
750 _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
751 _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
752 _VtxWritePtr += 3;
753 }
754 }
755 else
756 {
757 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
758 if (!closed)
759 {
760 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
761 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
762 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
763 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
764 temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
765 temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
766 temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
767 temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
768 }
769
770 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
771 unsigned int idx1 = _VtxCurrentIdx;
772 for (int i1 = 0; i1 < count; i1++)
773 {
774 const int i2 = (i1+1) == points_count ? 0 : i1+1;
775 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
776
777 // Average normals
778 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
779 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
780 IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
781 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
782 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
783 float dm_in_x = dm_x * half_inner_thickness;
784 float dm_in_y = dm_y * half_inner_thickness;
785
786 // Add temporary vertexes
787 ImVec2* out_vtx = &temp_points[i2*4];
788 out_vtx[0].x = points[i2].x + dm_out_x;
789 out_vtx[0].y = points[i2].y + dm_out_y;
790 out_vtx[1].x = points[i2].x + dm_in_x;
791 out_vtx[1].y = points[i2].y + dm_in_y;
792 out_vtx[2].x = points[i2].x - dm_in_x;
793 out_vtx[2].y = points[i2].y - dm_in_y;
794 out_vtx[3].x = points[i2].x - dm_out_x;
795 out_vtx[3].y = points[i2].y - dm_out_y;
796
797 // Add indexes
798 _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
799 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1);
800 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
801 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1);
802 _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3);
803 _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2);
804 _IdxWritePtr += 18;
805
806 idx1 = idx2;
807 }
808
809 // Add vertexes
810 for (int i = 0; i < points_count; i++)
811 {
812 _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
813 _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
814 _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
815 _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans;
816 _VtxWritePtr += 4;
817 }
818 }
819 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
820 }
821 else
822 {
823 // Non Anti-aliased Stroke
824 const int idx_count = count*6;
825 const int vtx_count = count*4; // FIXME-OPT: Not sharing edges
826 PrimReserve(idx_count, vtx_count);
827
828 for (int i1 = 0; i1 < count; i1++)
829 {
830 const int i2 = (i1+1) == points_count ? 0 : i1+1;
831 const ImVec2& p1 = points[i1];
832 const ImVec2& p2 = points[i2];
833
834 float dx = p2.x - p1.x;
835 float dy = p2.y - p1.y;
836 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
837 dx *= (thickness * 0.5f);
838 dy *= (thickness * 0.5f);
839
840 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
841 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
842 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
843 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
844 _VtxWritePtr += 4;
845
846 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2);
847 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3);
848 _IdxWritePtr += 6;
849 _VtxCurrentIdx += 4;
850 }
851 }
852 }
853
854 // We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.
AddConvexPolyFilled(const ImVec2 * points,const int points_count,ImU32 col)855 void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
856 {
857 if (points_count < 3)
858 return;
859
860 const ImVec2 uv = _Data->TexUvWhitePixel;
861
862 if (Flags & ImDrawListFlags_AntiAliasedFill)
863 {
864 // Anti-aliased Fill
865 const float AA_SIZE = 1.0f;
866 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
867 const int idx_count = (points_count-2)*3 + points_count*6;
868 const int vtx_count = (points_count*2);
869 PrimReserve(idx_count, vtx_count);
870
871 // Add indexes for fill
872 unsigned int vtx_inner_idx = _VtxCurrentIdx;
873 unsigned int vtx_outer_idx = _VtxCurrentIdx+1;
874 for (int i = 2; i < points_count; i++)
875 {
876 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
877 _IdxWritePtr += 3;
878 }
879
880 // Compute normals
881 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2));
882 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
883 {
884 const ImVec2& p0 = points[i0];
885 const ImVec2& p1 = points[i1];
886 float dx = p1.x - p0.x;
887 float dy = p1.y - p0.y;
888 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
889 temp_normals[i0].x = dy;
890 temp_normals[i0].y = -dx;
891 }
892
893 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
894 {
895 // Average normals
896 const ImVec2& n0 = temp_normals[i0];
897 const ImVec2& n1 = temp_normals[i1];
898 float dm_x = (n0.x + n1.x) * 0.5f;
899 float dm_y = (n0.y + n1.y) * 0.5f;
900 IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
901 dm_x *= AA_SIZE * 0.5f;
902 dm_y *= AA_SIZE * 0.5f;
903
904 // Add vertices
905 _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
906 _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
907 _VtxWritePtr += 2;
908
909 // Add indexes for fringes
910 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1));
911 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1));
912 _IdxWritePtr += 6;
913 }
914 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
915 }
916 else
917 {
918 // Non Anti-aliased Fill
919 const int idx_count = (points_count-2)*3;
920 const int vtx_count = points_count;
921 PrimReserve(idx_count, vtx_count);
922 for (int i = 0; i < vtx_count; i++)
923 {
924 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
925 _VtxWritePtr++;
926 }
927 for (int i = 2; i < points_count; i++)
928 {
929 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i);
930 _IdxWritePtr += 3;
931 }
932 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
933 }
934 }
935
PathArcToFast(const ImVec2 & centre,float radius,int a_min_of_12,int a_max_of_12)936 void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12)
937 {
938 if (radius == 0.0f || a_min_of_12 > a_max_of_12)
939 {
940 _Path.push_back(centre);
941 return;
942 }
943 _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
944 for (int a = a_min_of_12; a <= a_max_of_12; a++)
945 {
946 const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
947 _Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius));
948 }
949 }
950
PathArcTo(const ImVec2 & centre,float radius,float a_min,float a_max,int num_segments)951 void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments)
952 {
953 if (radius == 0.0f)
954 {
955 _Path.push_back(centre);
956 return;
957 }
958 _Path.reserve(_Path.Size + (num_segments + 1));
959 for (int i = 0; i <= num_segments; i++)
960 {
961 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
962 _Path.push_back(ImVec2(centre.x + ImCos(a) * radius, centre.y + ImSin(a) * radius));
963 }
964 }
965
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)966 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)
967 {
968 float dx = x4 - x1;
969 float dy = y4 - y1;
970 float d2 = ((x2 - x4) * dy - (y2 - y4) * dx);
971 float d3 = ((x3 - x4) * dy - (y3 - y4) * dx);
972 d2 = (d2 >= 0) ? d2 : -d2;
973 d3 = (d3 >= 0) ? d3 : -d3;
974 if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy))
975 {
976 path->push_back(ImVec2(x4, y4));
977 }
978 else if (level < 10)
979 {
980 float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f;
981 float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f;
982 float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f;
983 float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f;
984 float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f;
985 float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f;
986
987 PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1);
988 PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1);
989 }
990 }
991
PathBezierCurveTo(const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,int num_segments)992 void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
993 {
994 ImVec2 p1 = _Path.back();
995 if (num_segments == 0)
996 {
997 // Auto-tessellated
998 PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0);
999 }
1000 else
1001 {
1002 float t_step = 1.0f / (float)num_segments;
1003 for (int i_step = 1; i_step <= num_segments; i_step++)
1004 {
1005 float t = t_step * i_step;
1006 float u = 1.0f - t;
1007 float w1 = u*u*u;
1008 float w2 = 3*u*u*t;
1009 float w3 = 3*u*t*t;
1010 float w4 = t*t*t;
1011 _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));
1012 }
1013 }
1014 }
1015
PathRect(const ImVec2 & a,const ImVec2 & b,float rounding,int rounding_corners)1016 void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, int rounding_corners)
1017 {
1018 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);
1019 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);
1020
1021 if (rounding <= 0.0f || rounding_corners == 0)
1022 {
1023 PathLineTo(a);
1024 PathLineTo(ImVec2(b.x, a.y));
1025 PathLineTo(b);
1026 PathLineTo(ImVec2(a.x, b.y));
1027 }
1028 else
1029 {
1030 const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f;
1031 const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f;
1032 const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f;
1033 const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f;
1034 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9);
1035 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12);
1036 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3);
1037 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6);
1038 }
1039 }
1040
AddLine(const ImVec2 & a,const ImVec2 & b,ImU32 col,float thickness)1041 void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness)
1042 {
1043 if ((col & IM_COL32_A_MASK) == 0)
1044 return;
1045 PathLineTo(a + ImVec2(0.5f,0.5f));
1046 PathLineTo(b + ImVec2(0.5f,0.5f));
1047 PathStroke(col, false, thickness);
1048 }
1049
1050 // a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly.
AddRect(const ImVec2 & a,const ImVec2 & b,ImU32 col,float rounding,int rounding_corners_flags,float thickness)1051 void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags, float thickness)
1052 {
1053 if ((col & IM_COL32_A_MASK) == 0)
1054 return;
1055 if (Flags & ImDrawListFlags_AntiAliasedLines)
1056 PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.50f,0.50f), rounding, rounding_corners_flags);
1057 else
1058 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.
1059 PathStroke(col, true, thickness);
1060 }
1061
AddRectFilled(const ImVec2 & a,const ImVec2 & b,ImU32 col,float rounding,int rounding_corners_flags)1062 void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags)
1063 {
1064 if ((col & IM_COL32_A_MASK) == 0)
1065 return;
1066 if (rounding > 0.0f)
1067 {
1068 PathRect(a, b, rounding, rounding_corners_flags);
1069 PathFillConvex(col);
1070 }
1071 else
1072 {
1073 PrimReserve(6, 4);
1074 PrimRect(a, b, col);
1075 }
1076 }
1077
AddRectFilledMultiColor(const ImVec2 & a,const ImVec2 & c,ImU32 col_upr_left,ImU32 col_upr_right,ImU32 col_bot_right,ImU32 col_bot_left)1078 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)
1079 {
1080 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1081 return;
1082
1083 const ImVec2 uv = _Data->TexUvWhitePixel;
1084 PrimReserve(6, 4);
1085 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
1086 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
1087 PrimWriteVtx(a, uv, col_upr_left);
1088 PrimWriteVtx(ImVec2(c.x, a.y), uv, col_upr_right);
1089 PrimWriteVtx(c, uv, col_bot_right);
1090 PrimWriteVtx(ImVec2(a.x, c.y), uv, col_bot_left);
1091 }
1092
AddQuad(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,const ImVec2 & d,ImU32 col,float thickness)1093 void ImDrawList::AddQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col, float thickness)
1094 {
1095 if ((col & IM_COL32_A_MASK) == 0)
1096 return;
1097
1098 PathLineTo(a);
1099 PathLineTo(b);
1100 PathLineTo(c);
1101 PathLineTo(d);
1102 PathStroke(col, true, thickness);
1103 }
1104
AddQuadFilled(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,const ImVec2 & d,ImU32 col)1105 void ImDrawList::AddQuadFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col)
1106 {
1107 if ((col & IM_COL32_A_MASK) == 0)
1108 return;
1109
1110 PathLineTo(a);
1111 PathLineTo(b);
1112 PathLineTo(c);
1113 PathLineTo(d);
1114 PathFillConvex(col);
1115 }
1116
AddTriangle(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,ImU32 col,float thickness)1117 void ImDrawList::AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness)
1118 {
1119 if ((col & IM_COL32_A_MASK) == 0)
1120 return;
1121
1122 PathLineTo(a);
1123 PathLineTo(b);
1124 PathLineTo(c);
1125 PathStroke(col, true, thickness);
1126 }
1127
AddTriangleFilled(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,ImU32 col)1128 void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
1129 {
1130 if ((col & IM_COL32_A_MASK) == 0)
1131 return;
1132
1133 PathLineTo(a);
1134 PathLineTo(b);
1135 PathLineTo(c);
1136 PathFillConvex(col);
1137 }
1138
AddCircle(const ImVec2 & centre,float radius,ImU32 col,int num_segments,float thickness)1139 void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments, float thickness)
1140 {
1141 if ((col & IM_COL32_A_MASK) == 0)
1142 return;
1143
1144 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1145 PathArcTo(centre, radius-0.5f, 0.0f, a_max, num_segments);
1146 PathStroke(col, true, thickness);
1147 }
1148
AddCircleFilled(const ImVec2 & centre,float radius,ImU32 col,int num_segments)1149 void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments)
1150 {
1151 if ((col & IM_COL32_A_MASK) == 0)
1152 return;
1153
1154 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1155 PathArcTo(centre, radius, 0.0f, a_max, num_segments);
1156 PathFillConvex(col);
1157 }
1158
AddBezierCurve(const ImVec2 & pos0,const ImVec2 & cp0,const ImVec2 & cp1,const ImVec2 & pos1,ImU32 col,float thickness,int num_segments)1159 void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
1160 {
1161 if ((col & IM_COL32_A_MASK) == 0)
1162 return;
1163
1164 PathLineTo(pos0);
1165 PathBezierCurveTo(cp0, cp1, pos1, num_segments);
1166 PathStroke(col, false, thickness);
1167 }
1168
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)1169 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)
1170 {
1171 if ((col & IM_COL32_A_MASK) == 0)
1172 return;
1173
1174 if (text_end == NULL)
1175 text_end = text_begin + strlen(text_begin);
1176 if (text_begin == text_end)
1177 return;
1178
1179 // Pull default font/size from the shared ImDrawListSharedData instance
1180 if (font == NULL)
1181 font = _Data->Font;
1182 if (font_size == 0.0f)
1183 font_size = _Data->FontSize;
1184
1185 IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1186
1187 ImVec4 clip_rect = _ClipRectStack.back();
1188 if (cpu_fine_clip_rect)
1189 {
1190 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
1191 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
1192 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
1193 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
1194 }
1195 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL);
1196 }
1197
AddText(const ImVec2 & pos,ImU32 col,const char * text_begin,const char * text_end)1198 void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1199 {
1200 AddText(NULL, 0.0f, pos, col, text_begin, text_end);
1201 }
1202
AddImage(ImTextureID user_texture_id,const ImVec2 & a,const ImVec2 & b,const ImVec2 & uv_a,const ImVec2 & uv_b,ImU32 col)1203 void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col)
1204 {
1205 if ((col & IM_COL32_A_MASK) == 0)
1206 return;
1207
1208 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1209 if (push_texture_id)
1210 PushTextureID(user_texture_id);
1211
1212 PrimReserve(6, 4);
1213 PrimRectUV(a, b, uv_a, uv_b, col);
1214
1215 if (push_texture_id)
1216 PopTextureID();
1217 }
1218
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)1219 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)
1220 {
1221 if ((col & IM_COL32_A_MASK) == 0)
1222 return;
1223
1224 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1225 if (push_texture_id)
1226 PushTextureID(user_texture_id);
1227
1228 PrimReserve(6, 4);
1229 PrimQuadUV(a, b, c, d, uv_a, uv_b, uv_c, uv_d, col);
1230
1231 if (push_texture_id)
1232 PopTextureID();
1233 }
1234
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)1235 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)
1236 {
1237 if ((col & IM_COL32_A_MASK) == 0)
1238 return;
1239
1240 if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
1241 {
1242 AddImage(user_texture_id, a, b, uv_a, uv_b, col);
1243 return;
1244 }
1245
1246 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1247 if (push_texture_id)
1248 PushTextureID(user_texture_id);
1249
1250 int vert_start_idx = VtxBuffer.Size;
1251 PathRect(a, b, rounding, rounding_corners);
1252 PathFillConvex(col);
1253 int vert_end_idx = VtxBuffer.Size;
1254 ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, a, b, uv_a, uv_b, true);
1255
1256 if (push_texture_id)
1257 PopTextureID();
1258 }
1259
1260 //-----------------------------------------------------------------------------
1261 // [SECTION] ImDrawData
1262 //-----------------------------------------------------------------------------
1263
1264 // 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!
DeIndexAllBuffers()1265 void ImDrawData::DeIndexAllBuffers()
1266 {
1267 ImVector<ImDrawVert> new_vtx_buffer;
1268 TotalVtxCount = TotalIdxCount = 0;
1269 for (int i = 0; i < CmdListsCount; i++)
1270 {
1271 ImDrawList* cmd_list = CmdLists[i];
1272 if (cmd_list->IdxBuffer.empty())
1273 continue;
1274 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
1275 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
1276 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
1277 cmd_list->VtxBuffer.swap(new_vtx_buffer);
1278 cmd_list->IdxBuffer.resize(0);
1279 TotalVtxCount += cmd_list->VtxBuffer.Size;
1280 }
1281 }
1282
1283 // Helper to scale the ClipRect field of each ImDrawCmd. Use if your final output buffer is at a different scale than ImGui expects, or if there is a difference between your window resolution and framebuffer resolution.
ScaleClipRects(const ImVec2 & scale)1284 void ImDrawData::ScaleClipRects(const ImVec2& scale)
1285 {
1286 for (int i = 0; i < CmdListsCount; i++)
1287 {
1288 ImDrawList* cmd_list = CmdLists[i];
1289 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
1290 {
1291 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i];
1292 cmd->ClipRect = ImVec4(cmd->ClipRect.x * scale.x, cmd->ClipRect.y * scale.y, cmd->ClipRect.z * scale.x, cmd->ClipRect.w * scale.y);
1293 }
1294 }
1295 }
1296
1297 //-----------------------------------------------------------------------------
1298 // [SECTION] Helpers ShadeVertsXXX functions
1299 //-----------------------------------------------------------------------------
1300
1301 // Generic linear color gradient, write to RGB fields, leave A untouched.
ShadeVertsLinearColorGradientKeepAlpha(ImDrawList * draw_list,int vert_start_idx,int vert_end_idx,ImVec2 gradient_p0,ImVec2 gradient_p1,ImU32 col0,ImU32 col1)1302 void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
1303 {
1304 ImVec2 gradient_extent = gradient_p1 - gradient_p0;
1305 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
1306 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1307 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1308 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
1309 {
1310 float d = ImDot(vert->pos - gradient_p0, gradient_extent);
1311 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
1312 int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t);
1313 int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t);
1314 int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t);
1315 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
1316 }
1317 }
1318
1319 // Distribute UV over (a, b) rectangle
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)1320 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)
1321 {
1322 const ImVec2 size = b - a;
1323 const ImVec2 uv_size = uv_b - uv_a;
1324 const ImVec2 scale = ImVec2(
1325 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
1326 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
1327
1328 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1329 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1330 if (clamp)
1331 {
1332 const ImVec2 min = ImMin(uv_a, uv_b);
1333 const ImVec2 max = ImMax(uv_a, uv_b);
1334 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1335 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max);
1336 }
1337 else
1338 {
1339 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1340 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale);
1341 }
1342 }
1343
1344 //-----------------------------------------------------------------------------
1345 // [SECTION] ImFontConfig
1346 //-----------------------------------------------------------------------------
1347
ImFontConfig()1348 ImFontConfig::ImFontConfig()
1349 {
1350 FontData = NULL;
1351 FontDataSize = 0;
1352 FontDataOwnedByAtlas = true;
1353 FontNo = 0;
1354 SizePixels = 0.0f;
1355 OversampleH = 3;
1356 OversampleV = 1;
1357 PixelSnapH = false;
1358 GlyphExtraSpacing = ImVec2(0.0f, 0.0f);
1359 GlyphOffset = ImVec2(0.0f, 0.0f);
1360 GlyphRanges = NULL;
1361 GlyphMinAdvanceX = 0.0f;
1362 GlyphMaxAdvanceX = FLT_MAX;
1363 MergeMode = false;
1364 RasterizerFlags = 0x00;
1365 RasterizerMultiply = 1.0f;
1366 memset(Name, 0, sizeof(Name));
1367 DstFont = NULL;
1368 }
1369
1370 //-----------------------------------------------------------------------------
1371 // [SECTION] ImFontAtlas
1372 //-----------------------------------------------------------------------------
1373
1374 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
1375 // The white texels on the top left are the ones we'll use everywhere in ImGui to render filled shapes.
1376 const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
1377 const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
1378 const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
1379 static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
1380 {
1381 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX "
1382 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X "
1383 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X "
1384 "X - X.X - X.....X - X.....X -X...X - X...X- X..X "
1385 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X "
1386 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX "
1387 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX "
1388 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX "
1389 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X "
1390 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X"
1391 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X"
1392 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X"
1393 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X"
1394 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X"
1395 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X"
1396 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X"
1397 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X "
1398 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X "
1399 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X "
1400 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X "
1401 " X..X - X...X - X...X - X..X X..X - - X........X "
1402 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX "
1403 "------------ - X - X -X.....................X- ------------------"
1404 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
1405 " - X..X X..X - "
1406 " - X.X X.X - "
1407 " - XX XX - "
1408 };
1409
1410 static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
1411 {
1412 // Pos ........ Size ......... Offset ......
1413 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
1414 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
1415 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
1416 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
1417 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
1418 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
1419 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
1420 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
1421 };
1422
ImFontAtlas()1423 ImFontAtlas::ImFontAtlas()
1424 {
1425 Locked = false;
1426 Flags = ImFontAtlasFlags_None;
1427 TexID = (ImTextureID)NULL;
1428 TexDesiredWidth = 0;
1429 TexGlyphPadding = 1;
1430
1431 TexPixelsAlpha8 = NULL;
1432 TexPixelsRGBA32 = NULL;
1433 TexWidth = TexHeight = 0;
1434 TexUvScale = ImVec2(0.0f, 0.0f);
1435 TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1436 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1437 CustomRectIds[n] = -1;
1438 }
1439
~ImFontAtlas()1440 ImFontAtlas::~ImFontAtlas()
1441 {
1442 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1443 Clear();
1444 }
1445
ClearInputData()1446 void ImFontAtlas::ClearInputData()
1447 {
1448 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1449 for (int i = 0; i < ConfigData.Size; i++)
1450 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas)
1451 {
1452 ImGui::MemFree(ConfigData[i].FontData);
1453 ConfigData[i].FontData = NULL;
1454 }
1455
1456 // When clearing this we lose access to the font name and other information used to build the font.
1457 for (int i = 0; i < Fonts.Size; i++)
1458 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size)
1459 {
1460 Fonts[i]->ConfigData = NULL;
1461 Fonts[i]->ConfigDataCount = 0;
1462 }
1463 ConfigData.clear();
1464 CustomRects.clear();
1465 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1466 CustomRectIds[n] = -1;
1467 }
1468
ClearTexData()1469 void ImFontAtlas::ClearTexData()
1470 {
1471 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1472 if (TexPixelsAlpha8)
1473 ImGui::MemFree(TexPixelsAlpha8);
1474 if (TexPixelsRGBA32)
1475 ImGui::MemFree(TexPixelsRGBA32);
1476 TexPixelsAlpha8 = NULL;
1477 TexPixelsRGBA32 = NULL;
1478 }
1479
ClearFonts()1480 void ImFontAtlas::ClearFonts()
1481 {
1482 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1483 for (int i = 0; i < Fonts.Size; i++)
1484 IM_DELETE(Fonts[i]);
1485 Fonts.clear();
1486 }
1487
Clear()1488 void ImFontAtlas::Clear()
1489 {
1490 ClearInputData();
1491 ClearTexData();
1492 ClearFonts();
1493 }
1494
GetTexDataAsAlpha8(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1495 void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1496 {
1497 // Build atlas on demand
1498 if (TexPixelsAlpha8 == NULL)
1499 {
1500 if (ConfigData.empty())
1501 AddFontDefault();
1502 Build();
1503 }
1504
1505 *out_pixels = TexPixelsAlpha8;
1506 if (out_width) *out_width = TexWidth;
1507 if (out_height) *out_height = TexHeight;
1508 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
1509 }
1510
GetTexDataAsRGBA32(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1511 void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1512 {
1513 // Convert to RGBA32 format on demand
1514 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
1515 if (!TexPixelsRGBA32)
1516 {
1517 unsigned char* pixels = NULL;
1518 GetTexDataAsAlpha8(&pixels, NULL, NULL);
1519 if (pixels)
1520 {
1521 TexPixelsRGBA32 = (unsigned int*)ImGui::MemAlloc((size_t)(TexWidth * TexHeight * 4));
1522 const unsigned char* src = pixels;
1523 unsigned int* dst = TexPixelsRGBA32;
1524 for (int n = TexWidth * TexHeight; n > 0; n--)
1525 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
1526 }
1527 }
1528
1529 *out_pixels = (unsigned char*)TexPixelsRGBA32;
1530 if (out_width) *out_width = TexWidth;
1531 if (out_height) *out_height = TexHeight;
1532 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
1533 }
1534
AddFont(const ImFontConfig * font_cfg)1535 ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
1536 {
1537 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1538 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
1539 IM_ASSERT(font_cfg->SizePixels > 0.0f);
1540
1541 // Create new font
1542 if (!font_cfg->MergeMode)
1543 Fonts.push_back(IM_NEW(ImFont));
1544 else
1545 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.
1546
1547 ConfigData.push_back(*font_cfg);
1548 ImFontConfig& new_font_cfg = ConfigData.back();
1549 if (new_font_cfg.DstFont == NULL)
1550 new_font_cfg.DstFont = Fonts.back();
1551 if (!new_font_cfg.FontDataOwnedByAtlas)
1552 {
1553 new_font_cfg.FontData = ImGui::MemAlloc(new_font_cfg.FontDataSize);
1554 new_font_cfg.FontDataOwnedByAtlas = true;
1555 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
1556 }
1557
1558 // Invalidate texture
1559 ClearTexData();
1560 return new_font_cfg.DstFont;
1561 }
1562
1563 // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
1564 static unsigned int stb_decompress_length(const unsigned char *input);
1565 static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length);
1566 static const char* GetDefaultCompressedFontDataTTFBase85();
Decode85Byte(char c)1567 static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
Decode85(const unsigned char * src,unsigned char * dst)1568 static void Decode85(const unsigned char* src, unsigned char* dst)
1569 {
1570 while (*src)
1571 {
1572 unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4]))));
1573 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.
1574 src += 5;
1575 dst += 4;
1576 }
1577 }
1578
1579 // Load embedded ProggyClean.ttf at size 13, disable oversampling
AddFontDefault(const ImFontConfig * font_cfg_template)1580 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
1581 {
1582 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1583 if (!font_cfg_template)
1584 {
1585 font_cfg.OversampleH = font_cfg.OversampleV = 1;
1586 font_cfg.PixelSnapH = true;
1587 }
1588 if (font_cfg.Name[0] == '\0') strcpy(font_cfg.Name, "ProggyClean.ttf, 13px");
1589 if (font_cfg.SizePixels <= 0.0f) font_cfg.SizePixels = 13.0f;
1590
1591 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
1592 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
1593 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
1594 font->DisplayOffset.y = 1.0f;
1595 return font;
1596 }
1597
AddFontFromFileTTF(const char * filename,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1598 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1599 {
1600 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1601 size_t data_size = 0;
1602 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
1603 if (!data)
1604 {
1605 IM_ASSERT(0); // Could not load file.
1606 return NULL;
1607 }
1608 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1609 if (font_cfg.Name[0] == '\0')
1610 {
1611 // Store a short copy of filename into into the font name for convenience
1612 const char* p;
1613 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
1614 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels);
1615 }
1616 return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges);
1617 }
1618
1619 // NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build().
AddFontFromMemoryTTF(void * ttf_data,int ttf_size,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1620 ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1621 {
1622 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1623 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1624 IM_ASSERT(font_cfg.FontData == NULL);
1625 font_cfg.FontData = ttf_data;
1626 font_cfg.FontDataSize = ttf_size;
1627 font_cfg.SizePixels = size_pixels;
1628 if (glyph_ranges)
1629 font_cfg.GlyphRanges = glyph_ranges;
1630 return AddFont(&font_cfg);
1631 }
1632
AddFontFromMemoryCompressedTTF(const void * compressed_ttf_data,int compressed_ttf_size,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1633 ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1634 {
1635 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data);
1636 unsigned char* buf_decompressed_data = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size);
1637 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
1638
1639 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1640 IM_ASSERT(font_cfg.FontData == NULL);
1641 font_cfg.FontDataOwnedByAtlas = true;
1642 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
1643 }
1644
AddFontFromMemoryCompressedBase85TTF(const char * compressed_ttf_data_base85,float size_pixels,const ImFontConfig * font_cfg,const ImWchar * glyph_ranges)1645 ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
1646 {
1647 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
1648 void* compressed_ttf = ImGui::MemAlloc((size_t)compressed_ttf_size);
1649 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
1650 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
1651 ImGui::MemFree(compressed_ttf);
1652 return font;
1653 }
1654
AddCustomRectRegular(unsigned int id,int width,int height)1655 int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
1656 {
1657 IM_ASSERT(id >= 0x10000);
1658 IM_ASSERT(width > 0 && width <= 0xFFFF);
1659 IM_ASSERT(height > 0 && height <= 0xFFFF);
1660 CustomRect r;
1661 r.ID = id;
1662 r.Width = (unsigned short)width;
1663 r.Height = (unsigned short)height;
1664 CustomRects.push_back(r);
1665 return CustomRects.Size - 1; // Return index
1666 }
1667
AddCustomRectFontGlyph(ImFont * font,ImWchar id,int width,int height,float advance_x,const ImVec2 & offset)1668 int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
1669 {
1670 IM_ASSERT(font != NULL);
1671 IM_ASSERT(width > 0 && width <= 0xFFFF);
1672 IM_ASSERT(height > 0 && height <= 0xFFFF);
1673 CustomRect r;
1674 r.ID = id;
1675 r.Width = (unsigned short)width;
1676 r.Height = (unsigned short)height;
1677 r.GlyphAdvanceX = advance_x;
1678 r.GlyphOffset = offset;
1679 r.Font = font;
1680 CustomRects.push_back(r);
1681 return CustomRects.Size - 1; // Return index
1682 }
1683
CalcCustomRectUV(const CustomRect * rect,ImVec2 * out_uv_min,ImVec2 * out_uv_max)1684 void ImFontAtlas::CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max)
1685 {
1686 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
1687 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
1688 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
1689 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
1690 }
1691
GetMouseCursorTexData(ImGuiMouseCursor cursor_type,ImVec2 * out_offset,ImVec2 * out_size,ImVec2 out_uv_border[2],ImVec2 out_uv_fill[2])1692 bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
1693 {
1694 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
1695 return false;
1696 if (Flags & ImFontAtlasFlags_NoMouseCursors)
1697 return false;
1698
1699 IM_ASSERT(CustomRectIds[0] != -1);
1700 ImFontAtlas::CustomRect& r = CustomRects[CustomRectIds[0]];
1701 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
1702 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y);
1703 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
1704 *out_size = size;
1705 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
1706 out_uv_border[0] = (pos) * TexUvScale;
1707 out_uv_border[1] = (pos + size) * TexUvScale;
1708 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
1709 out_uv_fill[0] = (pos) * TexUvScale;
1710 out_uv_fill[1] = (pos + size) * TexUvScale;
1711 return true;
1712 }
1713
Build()1714 bool ImFontAtlas::Build()
1715 {
1716 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1717 return ImFontAtlasBuildWithStbTruetype(this);
1718 }
1719
ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256],float in_brighten_factor)1720 void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
1721 {
1722 for (unsigned int i = 0; i < 256; i++)
1723 {
1724 unsigned int value = (unsigned int)(i * in_brighten_factor);
1725 out_table[i] = value > 255 ? 255 : (value & 0xFF);
1726 }
1727 }
1728
ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256],unsigned char * pixels,int x,int y,int w,int h,int stride)1729 void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
1730 {
1731 unsigned char* data = pixels + x + y * stride;
1732 for (int j = h; j > 0; j--, data += stride)
1733 for (int i = 0; i < w; i++)
1734 data[i] = table[data[i]];
1735 }
1736
1737 // Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
1738 // (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
1739 struct ImFontBuildSrcData
1740 {
1741 stbtt_fontinfo FontInfo;
1742 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
1743 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
1744 stbtt_packedchar* PackedChars; // Output glyphs
1745 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
1746 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
1747 int GlyphsHighest; // Highest requested codepoint
1748 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
1749 ImBoolVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
1750 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap)
1751 };
1752
1753 // Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
1754 struct ImFontBuildDstData
1755 {
1756 int SrcCount; // Number of source fonts targeting this destination font.
1757 int GlyphsHighest;
1758 int GlyphsCount;
1759 ImBoolVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
1760 };
1761
UnpackBoolVectorToFlatIndexList(const ImBoolVector * in,ImVector<int> * out)1762 static void UnpackBoolVectorToFlatIndexList(const ImBoolVector* in, ImVector<int>* out)
1763 {
1764 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
1765 const int* it_begin = in->Storage.begin();
1766 const int* it_end = in->Storage.end();
1767 for (const int* it = it_begin; it < it_end; it++)
1768 if (int entries_32 = *it)
1769 for (int bit_n = 0; bit_n < 32; bit_n++)
1770 if (entries_32 & (1 << bit_n))
1771 out->push_back((int)((it - it_begin) << 5) + bit_n);
1772 }
1773
ImFontAtlasBuildWithStbTruetype(ImFontAtlas * atlas)1774 bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
1775 {
1776 IM_ASSERT(atlas->ConfigData.Size > 0);
1777
1778 ImFontAtlasBuildRegisterDefaultCustomRects(atlas);
1779
1780 // Clear atlas
1781 atlas->TexID = (ImTextureID)NULL;
1782 atlas->TexWidth = atlas->TexHeight = 0;
1783 atlas->TexUvScale = ImVec2(0.0f, 0.0f);
1784 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1785 atlas->ClearTexData();
1786
1787 // Temporary storage for building
1788 ImVector<ImFontBuildSrcData> src_tmp_array;
1789 ImVector<ImFontBuildDstData> dst_tmp_array;
1790 src_tmp_array.resize(atlas->ConfigData.Size);
1791 dst_tmp_array.resize(atlas->Fonts.Size);
1792 memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes());
1793 memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes());
1794
1795 // 1. Initialize font loading structure, check font data validity
1796 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
1797 {
1798 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1799 ImFontConfig& cfg = atlas->ConfigData[src_i];
1800 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
1801
1802 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
1803 src_tmp.DstIndex = -1;
1804 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
1805 if (cfg.DstFont == atlas->Fonts[output_i])
1806 src_tmp.DstIndex = output_i;
1807 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
1808 if (src_tmp.DstIndex == -1)
1809 return false;
1810
1811 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct
1812 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
1813 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
1814 if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
1815 return false;
1816
1817 // Measure highest codepoints
1818 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
1819 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
1820 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
1821 src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
1822 dst_tmp.SrcCount++;
1823 dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest);
1824 }
1825
1826 // 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.
1827 int total_glyphs_count = 0;
1828 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1829 {
1830 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1831 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
1832 ImFontConfig& cfg = atlas->ConfigData[src_i];
1833 src_tmp.GlyphsSet.Resize(src_tmp.GlyphsHighest + 1);
1834 if (dst_tmp.SrcCount > 1 && dst_tmp.GlyphsSet.Storage.empty())
1835 dst_tmp.GlyphsSet.Resize(dst_tmp.GlyphsHighest + 1);
1836
1837 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
1838 for (int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
1839 {
1840 if (cfg.MergeMode && dst_tmp.GlyphsSet.GetBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option (e.g. MergeOverwrite)
1841 continue;
1842 if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font?
1843 continue;
1844
1845 // Add to avail set/counters
1846 src_tmp.GlyphsCount++;
1847 dst_tmp.GlyphsCount++;
1848 src_tmp.GlyphsSet.SetBit(codepoint, true);
1849 if (dst_tmp.SrcCount > 1)
1850 dst_tmp.GlyphsSet.SetBit(codepoint, true);
1851 total_glyphs_count++;
1852 }
1853 }
1854
1855 // 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)
1856 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1857 {
1858 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1859 src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount);
1860 UnpackBoolVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList);
1861 src_tmp.GlyphsSet.Clear();
1862 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
1863 }
1864 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
1865 dst_tmp_array[dst_i].GlyphsSet.Clear();
1866 dst_tmp_array.clear();
1867
1868 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
1869 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
1870 ImVector<stbrp_rect> buf_rects;
1871 ImVector<stbtt_packedchar> buf_packedchars;
1872 buf_rects.resize(total_glyphs_count);
1873 buf_packedchars.resize(total_glyphs_count);
1874 memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes());
1875 memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes());
1876
1877 // 4. Gather glyphs sizes so we can pack them in our virtual canvas.
1878 int total_surface = 0;
1879 int buf_rects_out_n = 0;
1880 int buf_packedchars_out_n = 0;
1881 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1882 {
1883 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1884 if (src_tmp.GlyphsCount == 0)
1885 continue;
1886
1887 src_tmp.Rects = &buf_rects[buf_rects_out_n];
1888 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
1889 buf_rects_out_n += src_tmp.GlyphsCount;
1890 buf_packedchars_out_n += src_tmp.GlyphsCount;
1891
1892 // Convert our ranges in the format stb_truetype wants
1893 ImFontConfig& cfg = atlas->ConfigData[src_i];
1894 src_tmp.PackRange.font_size = cfg.SizePixels;
1895 src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
1896 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
1897 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
1898 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
1899 src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH;
1900 src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV;
1901
1902 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
1903 const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels);
1904 const int padding = atlas->TexGlyphPadding;
1905 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
1906 {
1907 int x0, y0, x1, y1;
1908 const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]);
1909 IM_ASSERT(glyph_index_in_font != 0);
1910 stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1);
1911 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1);
1912 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1);
1913 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
1914 }
1915 }
1916
1917 // We need a width for the skyline algorithm, any width!
1918 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
1919 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
1920 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
1921 atlas->TexHeight = 0;
1922 if (atlas->TexDesiredWidth > 0)
1923 atlas->TexWidth = atlas->TexDesiredWidth;
1924 else
1925 atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512;
1926
1927 // 5. Start packing
1928 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
1929 const int TEX_HEIGHT_MAX = 1024 * 32;
1930 stbtt_pack_context spc = {};
1931 stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL);
1932 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
1933
1934 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
1935 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1936 {
1937 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1938 if (src_tmp.GlyphsCount == 0)
1939 continue;
1940
1941 stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount);
1942
1943 // Extend texture height and mark missing glyphs as non-packed so we won't render them.
1944 // 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?)
1945 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
1946 if (src_tmp.Rects[glyph_i].was_packed)
1947 atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
1948 }
1949
1950 // 7. Allocate texture
1951 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
1952 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
1953 atlas->TexPixelsAlpha8 = (unsigned char*)ImGui::MemAlloc(atlas->TexWidth * atlas->TexHeight);
1954 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
1955 spc.pixels = atlas->TexPixelsAlpha8;
1956 spc.height = atlas->TexHeight;
1957
1958 // 8. Render/rasterize font characters into the texture
1959 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1960 {
1961 ImFontConfig& cfg = atlas->ConfigData[src_i];
1962 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1963 if (src_tmp.GlyphsCount == 0)
1964 continue;
1965
1966 stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects);
1967
1968 // Apply multiply operator
1969 if (cfg.RasterizerMultiply != 1.0f)
1970 {
1971 unsigned char multiply_table[256];
1972 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
1973 stbrp_rect* r = &src_tmp.Rects[0];
1974 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
1975 if (r->was_packed)
1976 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1);
1977 }
1978 src_tmp.Rects = NULL;
1979 }
1980
1981 // End packing
1982 stbtt_PackEnd(&spc);
1983 buf_rects.clear();
1984
1985 // 9. Setup ImFont and glyphs for runtime
1986 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1987 {
1988 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1989 if (src_tmp.GlyphsCount == 0)
1990 continue;
1991
1992 ImFontConfig& cfg = atlas->ConfigData[src_i];
1993 ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
1994
1995 const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels);
1996 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
1997 stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
1998
1999 const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1));
2000 const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
2001 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
2002 const float font_off_x = cfg.GlyphOffset.x;
2003 const float font_off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
2004
2005 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
2006 {
2007 const int codepoint = src_tmp.GlyphsList[glyph_i];
2008 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
2009
2010 const float char_advance_x_org = pc.xadvance;
2011 const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX);
2012 float char_off_x = font_off_x;
2013 if (char_advance_x_org != char_advance_x_mod)
2014 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;
2015
2016 // Register glyph
2017 stbtt_aligned_quad q;
2018 float dummy_x = 0.0f, dummy_y = 0.0f;
2019 stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0);
2020 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);
2021 }
2022 }
2023
2024 // Cleanup temporary (ImVector doesn't honor destructor)
2025 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2026 src_tmp_array[src_i].~ImFontBuildSrcData();
2027
2028 ImFontAtlasBuildFinish(atlas);
2029 return true;
2030 }
2031
ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas * atlas)2032 void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas)
2033 {
2034 if (atlas->CustomRectIds[0] >= 0)
2035 return;
2036 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2037 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);
2038 else
2039 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2);
2040 }
2041
ImFontAtlasBuildSetupFont(ImFontAtlas * atlas,ImFont * font,ImFontConfig * font_config,float ascent,float descent)2042 void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
2043 {
2044 if (!font_config->MergeMode)
2045 {
2046 font->ClearOutputData();
2047 font->FontSize = font_config->SizePixels;
2048 font->ConfigData = font_config;
2049 font->ContainerAtlas = atlas;
2050 font->Ascent = ascent;
2051 font->Descent = descent;
2052 }
2053 font->ConfigDataCount++;
2054 }
2055
ImFontAtlasBuildPackCustomRects(ImFontAtlas * atlas,void * stbrp_context_opaque)2056 void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
2057 {
2058 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
2059
2060 ImVector<ImFontAtlas::CustomRect>& user_rects = atlas->CustomRects;
2061 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
2062
2063 ImVector<stbrp_rect> pack_rects;
2064 pack_rects.resize(user_rects.Size);
2065 memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes());
2066 for (int i = 0; i < user_rects.Size; i++)
2067 {
2068 pack_rects[i].w = user_rects[i].Width;
2069 pack_rects[i].h = user_rects[i].Height;
2070 }
2071 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
2072 for (int i = 0; i < pack_rects.Size; i++)
2073 if (pack_rects[i].was_packed)
2074 {
2075 user_rects[i].X = pack_rects[i].x;
2076 user_rects[i].Y = pack_rects[i].y;
2077 IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
2078 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
2079 }
2080 }
2081
ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas * atlas)2082 static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
2083 {
2084 IM_ASSERT(atlas->CustomRectIds[0] >= 0);
2085 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL);
2086 ImFontAtlas::CustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]];
2087 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
2088 IM_ASSERT(r.IsPacked());
2089
2090 const int w = atlas->TexWidth;
2091 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2092 {
2093 // Render/copy pixels
2094 IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
2095 for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++)
2096 for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++)
2097 {
2098 const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w;
2099 const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
2100 atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00;
2101 atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00;
2102 }
2103 }
2104 else
2105 {
2106 IM_ASSERT(r.Width == 2 && r.Height == 2);
2107 const int offset = (int)(r.X) + (int)(r.Y) * w;
2108 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
2109 }
2110 atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y);
2111 }
2112
ImFontAtlasBuildFinish(ImFontAtlas * atlas)2113 void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
2114 {
2115 // Render into our custom data block
2116 ImFontAtlasBuildRenderDefaultTexData(atlas);
2117
2118 // Register custom rectangle glyphs
2119 for (int i = 0; i < atlas->CustomRects.Size; i++)
2120 {
2121 const ImFontAtlas::CustomRect& r = atlas->CustomRects[i];
2122 if (r.Font == NULL || r.ID > 0x10000)
2123 continue;
2124
2125 IM_ASSERT(r.Font->ContainerAtlas == atlas);
2126 ImVec2 uv0, uv1;
2127 atlas->CalcCustomRectUV(&r, &uv0, &uv1);
2128 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);
2129 }
2130
2131 // Build all fonts lookup tables
2132 for (int i = 0; i < atlas->Fonts.Size; i++)
2133 if (atlas->Fonts[i]->DirtyLookupTables)
2134 atlas->Fonts[i]->BuildLookupTable();
2135 }
2136
2137 // Retrieve list of range (2 int per range, values are inclusive)
GetGlyphRangesDefault()2138 const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
2139 {
2140 static const ImWchar ranges[] =
2141 {
2142 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2143 0,
2144 };
2145 return &ranges[0];
2146 }
2147
GetGlyphRangesKorean()2148 const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
2149 {
2150 static const ImWchar ranges[] =
2151 {
2152 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2153 0x3131, 0x3163, // Korean alphabets
2154 0xAC00, 0xD79D, // Korean characters
2155 0,
2156 };
2157 return &ranges[0];
2158 }
2159
GetGlyphRangesChineseFull()2160 const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
2161 {
2162 static const ImWchar ranges[] =
2163 {
2164 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2165 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
2166 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2167 0xFF00, 0xFFEF, // Half-width characters
2168 0x4e00, 0x9FAF, // CJK Ideograms
2169 0,
2170 };
2171 return &ranges[0];
2172 }
2173
UnpackAccumulativeOffsetsIntoRanges(int base_codepoint,const short * accumulative_offsets,int accumulative_offsets_count,ImWchar * out_ranges)2174 static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
2175 {
2176 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
2177 {
2178 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
2179 base_codepoint += accumulative_offsets[n];
2180 }
2181 out_ranges[0] = 0;
2182 }
2183
2184 //-------------------------------------------------------------------------
2185 // [SECTION] ImFontAtlas glyph ranges helpers
2186 //-------------------------------------------------------------------------
2187
GetGlyphRangesChineseSimplifiedCommon()2188 const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
2189 {
2190 // Store 2500 regularly used characters for Simplified Chinese.
2191 // 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
2192 // This table covers 97.97% of all characters used during the month in July, 1987.
2193 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2194 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2195 static const short accumulative_offsets_from_0x4E00[] =
2196 {
2197 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,
2198 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,
2199 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,
2200 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,
2201 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,
2202 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,
2203 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,
2204 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,
2205 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,
2206 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,
2207 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,
2208 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,
2209 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,
2210 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,
2211 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,
2212 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,
2213 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,
2214 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,
2215 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,
2216 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,
2217 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,
2218 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,
2219 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,
2220 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,
2221 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,
2222 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,
2223 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,
2224 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,
2225 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,
2226 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,
2227 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,
2228 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,
2229 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,
2230 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,
2231 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,
2232 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,
2233 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,
2234 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,
2235 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,
2236 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
2237 };
2238 static ImWchar base_ranges[] = // not zero-terminated
2239 {
2240 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2241 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
2242 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2243 0xFF00, 0xFFEF, // Half-width characters
2244 };
2245 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
2246 if (!full_ranges[0])
2247 {
2248 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2249 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2250 }
2251 return &full_ranges[0];
2252 }
2253
GetGlyphRangesJapanese()2254 const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
2255 {
2256 // 1946 common ideograms code points for Japanese
2257 // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering
2258 // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this.
2259 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2260 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2261 static const short accumulative_offsets_from_0x4E00[] =
2262 {
2263 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,
2264 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,
2265 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,
2266 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,
2267 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,
2268 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,
2269 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,
2270 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,
2271 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,
2272 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,
2273 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,
2274 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,
2275 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,
2276 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,
2277 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,
2278 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,
2279 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,
2280 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,
2281 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,
2282 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,
2283 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,
2284 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,
2285 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,
2286 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,
2287 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,
2288 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,
2289 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,
2290 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,
2291 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,
2292 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,
2293 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,
2294 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,
2295 };
2296 static ImWchar base_ranges[] = // not zero-terminated
2297 {
2298 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2299 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
2300 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2301 0xFF00, 0xFFEF, // Half-width characters
2302 };
2303 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
2304 if (!full_ranges[0])
2305 {
2306 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2307 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2308 }
2309 return &full_ranges[0];
2310 }
2311
GetGlyphRangesCyrillic()2312 const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
2313 {
2314 static const ImWchar ranges[] =
2315 {
2316 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2317 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
2318 0x2DE0, 0x2DFF, // Cyrillic Extended-A
2319 0xA640, 0xA69F, // Cyrillic Extended-B
2320 0,
2321 };
2322 return &ranges[0];
2323 }
2324
GetGlyphRangesThai()2325 const ImWchar* ImFontAtlas::GetGlyphRangesThai()
2326 {
2327 static const ImWchar ranges[] =
2328 {
2329 0x0020, 0x00FF, // Basic Latin
2330 0x2010, 0x205E, // Punctuations
2331 0x0E00, 0x0E7F, // Thai
2332 0,
2333 };
2334 return &ranges[0];
2335 }
2336
2337 //-----------------------------------------------------------------------------
2338 // [SECTION] ImFontGlyphRangesBuilder
2339 //-----------------------------------------------------------------------------
2340
AddText(const char * text,const char * text_end)2341 void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
2342 {
2343 while (text_end ? (text < text_end) : *text)
2344 {
2345 unsigned int c = 0;
2346 int c_len = ImTextCharFromUtf8(&c, text, text_end);
2347 text += c_len;
2348 if (c_len == 0)
2349 break;
2350 if (c < 0x10000)
2351 AddChar((ImWchar)c);
2352 }
2353 }
2354
AddRanges(const ImWchar * ranges)2355 void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
2356 {
2357 for (; ranges[0]; ranges += 2)
2358 for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
2359 AddChar(c);
2360 }
2361
BuildRanges(ImVector<ImWchar> * out_ranges)2362 void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
2363 {
2364 for (int n = 0; n < 0x10000; n++)
2365 if (GetBit(n))
2366 {
2367 out_ranges->push_back((ImWchar)n);
2368 while (n < 0x10000 && GetBit(n + 1))
2369 n++;
2370 out_ranges->push_back((ImWchar)n);
2371 }
2372 out_ranges->push_back(0);
2373 }
2374
2375 //-----------------------------------------------------------------------------
2376 // [SECTION] ImFont
2377 //-----------------------------------------------------------------------------
2378
ImFont()2379 ImFont::ImFont()
2380 {
2381 Scale = 1.0f;
2382 FallbackChar = (ImWchar)'?';
2383 DisplayOffset = ImVec2(0.0f, 0.0f);
2384 ClearOutputData();
2385 }
2386
~ImFont()2387 ImFont::~ImFont()
2388 {
2389 // Invalidate active font so that the user gets a clear crash instead of a dangling pointer.
2390 // If you want to delete fonts you need to do it between Render() and NewFrame().
2391 // FIXME-CLEANUP
2392 /*
2393 ImGuiContext& g = *GImGui;
2394 if (g.Font == this)
2395 g.Font = NULL;
2396 */
2397 ClearOutputData();
2398 }
2399
ClearOutputData()2400 void ImFont::ClearOutputData()
2401 {
2402 FontSize = 0.0f;
2403 Glyphs.clear();
2404 IndexAdvanceX.clear();
2405 IndexLookup.clear();
2406 FallbackGlyph = NULL;
2407 FallbackAdvanceX = 0.0f;
2408 ConfigDataCount = 0;
2409 ConfigData = NULL;
2410 ContainerAtlas = NULL;
2411 Ascent = Descent = 0.0f;
2412 DirtyLookupTables = true;
2413 MetricsTotalSurface = 0;
2414 }
2415
BuildLookupTable()2416 void ImFont::BuildLookupTable()
2417 {
2418 int max_codepoint = 0;
2419 for (int i = 0; i != Glyphs.Size; i++)
2420 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
2421
2422 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
2423 IndexAdvanceX.clear();
2424 IndexLookup.clear();
2425 DirtyLookupTables = false;
2426 GrowIndex(max_codepoint + 1);
2427 for (int i = 0; i < Glyphs.Size; i++)
2428 {
2429 int codepoint = (int)Glyphs[i].Codepoint;
2430 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
2431 IndexLookup[codepoint] = (ImWchar)i;
2432 }
2433
2434 // Create a glyph to handle TAB
2435 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
2436 if (FindGlyph((ImWchar)' '))
2437 {
2438 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
2439 Glyphs.resize(Glyphs.Size + 1);
2440 ImFontGlyph& tab_glyph = Glyphs.back();
2441 tab_glyph = *FindGlyph((ImWchar)' ');
2442 tab_glyph.Codepoint = '\t';
2443 tab_glyph.AdvanceX *= 4;
2444 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
2445 IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1);
2446 }
2447
2448 FallbackGlyph = FindGlyphNoFallback(FallbackChar);
2449 FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f;
2450 for (int i = 0; i < max_codepoint + 1; i++)
2451 if (IndexAdvanceX[i] < 0.0f)
2452 IndexAdvanceX[i] = FallbackAdvanceX;
2453 }
2454
SetFallbackChar(ImWchar c)2455 void ImFont::SetFallbackChar(ImWchar c)
2456 {
2457 FallbackChar = c;
2458 BuildLookupTable();
2459 }
2460
GrowIndex(int new_size)2461 void ImFont::GrowIndex(int new_size)
2462 {
2463 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
2464 if (new_size <= IndexLookup.Size)
2465 return;
2466 IndexAdvanceX.resize(new_size, -1.0f);
2467 IndexLookup.resize(new_size, (ImWchar)-1);
2468 }
2469
2470 // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
2471 // 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).
AddGlyph(ImWchar codepoint,float x0,float y0,float x1,float y1,float u0,float v0,float u1,float v1,float advance_x)2472 void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
2473 {
2474 Glyphs.resize(Glyphs.Size + 1);
2475 ImFontGlyph& glyph = Glyphs.back();
2476 glyph.Codepoint = (ImWchar)codepoint;
2477 glyph.X0 = x0;
2478 glyph.Y0 = y0;
2479 glyph.X1 = x1;
2480 glyph.Y1 = y1;
2481 glyph.U0 = u0;
2482 glyph.V0 = v0;
2483 glyph.U1 = u1;
2484 glyph.V1 = v1;
2485 glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
2486
2487 if (ConfigData->PixelSnapH)
2488 glyph.AdvanceX = (float)(int)(glyph.AdvanceX + 0.5f);
2489
2490 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
2491 DirtyLookupTables = true;
2492 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f);
2493 }
2494
AddRemapChar(ImWchar dst,ImWchar src,bool overwrite_dst)2495 void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
2496 {
2497 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
2498 int index_size = IndexLookup.Size;
2499
2500 if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
2501 return;
2502 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
2503 return;
2504
2505 GrowIndex(dst + 1);
2506 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1;
2507 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
2508 }
2509
FindGlyph(ImWchar c) const2510 const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
2511 {
2512 if (c >= IndexLookup.Size)
2513 return FallbackGlyph;
2514 const ImWchar i = IndexLookup.Data[c];
2515 if (i == (ImWchar)-1)
2516 return FallbackGlyph;
2517 return &Glyphs.Data[i];
2518 }
2519
FindGlyphNoFallback(ImWchar c) const2520 const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
2521 {
2522 if (c >= IndexLookup.Size)
2523 return NULL;
2524 const ImWchar i = IndexLookup.Data[c];
2525 if (i == (ImWchar)-1)
2526 return NULL;
2527 return &Glyphs.Data[i];
2528 }
2529
CalcWordWrapPositionA(float scale,const char * text,const char * text_end,float wrap_width) const2530 const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
2531 {
2532 // Simple word-wrapping for English, not full-featured. Please submit failing cases!
2533 // 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.)
2534
2535 // For references, possible wrap point marked with ^
2536 // "aaa bbb, ccc,ddd. eee fff. ggg!"
2537 // ^ ^ ^ ^ ^__ ^ ^
2538
2539 // List of hardcoded separators: .,;!?'"
2540
2541 // Skip extra blanks after a line returns (that includes not counting them in width computation)
2542 // e.g. "Hello world" --> "Hello" "World"
2543
2544 // Cut words that cannot possibly fit within one line.
2545 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
2546
2547 float line_width = 0.0f;
2548 float word_width = 0.0f;
2549 float blank_width = 0.0f;
2550 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
2551
2552 const char* word_end = text;
2553 const char* prev_word_end = NULL;
2554 bool inside_word = true;
2555
2556 const char* s = text;
2557 while (s < text_end)
2558 {
2559 unsigned int c = (unsigned int)*s;
2560 const char* next_s;
2561 if (c < 0x80)
2562 next_s = s + 1;
2563 else
2564 next_s = s + ImTextCharFromUtf8(&c, s, text_end);
2565 if (c == 0)
2566 break;
2567
2568 if (c < 32)
2569 {
2570 if (c == '\n')
2571 {
2572 line_width = word_width = blank_width = 0.0f;
2573 inside_word = true;
2574 s = next_s;
2575 continue;
2576 }
2577 if (c == '\r')
2578 {
2579 s = next_s;
2580 continue;
2581 }
2582 }
2583
2584 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
2585 if (ImCharIsBlankW(c))
2586 {
2587 if (inside_word)
2588 {
2589 line_width += blank_width;
2590 blank_width = 0.0f;
2591 word_end = s;
2592 }
2593 blank_width += char_width;
2594 inside_word = false;
2595 }
2596 else
2597 {
2598 word_width += char_width;
2599 if (inside_word)
2600 {
2601 word_end = next_s;
2602 }
2603 else
2604 {
2605 prev_word_end = word_end;
2606 line_width += word_width + blank_width;
2607 word_width = blank_width = 0.0f;
2608 }
2609
2610 // Allow wrapping after punctuation.
2611 inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"');
2612 }
2613
2614 // We ignore blank width at the end of the line (they can be skipped)
2615 if (line_width + word_width >= wrap_width)
2616 {
2617 // Words that cannot possibly fit within an entire line will be cut anywhere.
2618 if (word_width < wrap_width)
2619 s = prev_word_end ? prev_word_end : word_end;
2620 break;
2621 }
2622
2623 s = next_s;
2624 }
2625
2626 return s;
2627 }
2628
CalcTextSizeA(float size,float max_width,float wrap_width,const char * text_begin,const char * text_end,const char ** remaining) const2629 ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
2630 {
2631 if (!text_end)
2632 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
2633
2634 const float line_height = size;
2635 const float scale = size / FontSize;
2636
2637 ImVec2 text_size = ImVec2(0,0);
2638 float line_width = 0.0f;
2639
2640 const bool word_wrap_enabled = (wrap_width > 0.0f);
2641 const char* word_wrap_eol = NULL;
2642
2643 const char* s = text_begin;
2644 while (s < text_end)
2645 {
2646 if (word_wrap_enabled)
2647 {
2648 // 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.
2649 if (!word_wrap_eol)
2650 {
2651 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
2652 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2653 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
2654 }
2655
2656 if (s >= word_wrap_eol)
2657 {
2658 if (text_size.x < line_width)
2659 text_size.x = line_width;
2660 text_size.y += line_height;
2661 line_width = 0.0f;
2662 word_wrap_eol = NULL;
2663
2664 // Wrapping skips upcoming blanks
2665 while (s < text_end)
2666 {
2667 const char c = *s;
2668 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2669 }
2670 continue;
2671 }
2672 }
2673
2674 // Decode and advance source
2675 const char* prev_s = s;
2676 unsigned int c = (unsigned int)*s;
2677 if (c < 0x80)
2678 {
2679 s += 1;
2680 }
2681 else
2682 {
2683 s += ImTextCharFromUtf8(&c, s, text_end);
2684 if (c == 0) // Malformed UTF-8?
2685 break;
2686 }
2687
2688 if (c < 32)
2689 {
2690 if (c == '\n')
2691 {
2692 text_size.x = ImMax(text_size.x, line_width);
2693 text_size.y += line_height;
2694 line_width = 0.0f;
2695 continue;
2696 }
2697 if (c == '\r')
2698 continue;
2699 }
2700
2701 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
2702 if (line_width + char_width >= max_width)
2703 {
2704 s = prev_s;
2705 break;
2706 }
2707
2708 line_width += char_width;
2709 }
2710
2711 if (text_size.x < line_width)
2712 text_size.x = line_width;
2713
2714 if (line_width > 0 || text_size.y == 0.0f)
2715 text_size.y += line_height;
2716
2717 if (remaining)
2718 *remaining = s;
2719
2720 return text_size;
2721 }
2722
RenderChar(ImDrawList * draw_list,float size,ImVec2 pos,ImU32 col,ImWchar c) const2723 void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const
2724 {
2725 if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.
2726 return;
2727 if (const ImFontGlyph* glyph = FindGlyph(c))
2728 {
2729 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
2730 pos.x = (float)(int)pos.x + DisplayOffset.x;
2731 pos.y = (float)(int)pos.y + DisplayOffset.y;
2732 draw_list->PrimReserve(6, 4);
2733 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);
2734 }
2735 }
2736
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) const2737 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
2738 {
2739 if (!text_end)
2740 text_end = text_begin + strlen(text_begin); // ImGui functions generally already provides a valid text_end, so this is merely to handle direct calls.
2741
2742 // Align to be pixel perfect
2743 pos.x = (float)(int)pos.x + DisplayOffset.x;
2744 pos.y = (float)(int)pos.y + DisplayOffset.y;
2745 float x = pos.x;
2746 float y = pos.y;
2747 if (y > clip_rect.w)
2748 return;
2749
2750 const float scale = size / FontSize;
2751 const float line_height = FontSize * scale;
2752 const bool word_wrap_enabled = (wrap_width > 0.0f);
2753 const char* word_wrap_eol = NULL;
2754
2755 // Fast-forward to first visible line
2756 const char* s = text_begin;
2757 if (y + line_height < clip_rect.y && !word_wrap_enabled)
2758 while (y + line_height < clip_rect.y && s < text_end)
2759 {
2760 s = (const char*)memchr(s, '\n', text_end - s);
2761 s = s ? s + 1 : text_end;
2762 y += line_height;
2763 }
2764
2765 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
2766 // 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)
2767 if (text_end - s > 10000 && !word_wrap_enabled)
2768 {
2769 const char* s_end = s;
2770 float y_end = y;
2771 while (y_end < clip_rect.w && s_end < text_end)
2772 {
2773 s_end = (const char*)memchr(s_end, '\n', text_end - s_end);
2774 s_end = s_end ? s_end + 1 : text_end;
2775 y_end += line_height;
2776 }
2777 text_end = s_end;
2778 }
2779 if (s == text_end)
2780 return;
2781
2782 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
2783 const int vtx_count_max = (int)(text_end - s) * 4;
2784 const int idx_count_max = (int)(text_end - s) * 6;
2785 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
2786 draw_list->PrimReserve(idx_count_max, vtx_count_max);
2787
2788 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
2789 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
2790 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx;
2791
2792 while (s < text_end)
2793 {
2794 if (word_wrap_enabled)
2795 {
2796 // 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.
2797 if (!word_wrap_eol)
2798 {
2799 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x));
2800 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2801 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
2802 }
2803
2804 if (s >= word_wrap_eol)
2805 {
2806 x = pos.x;
2807 y += line_height;
2808 word_wrap_eol = NULL;
2809
2810 // Wrapping skips upcoming blanks
2811 while (s < text_end)
2812 {
2813 const char c = *s;
2814 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2815 }
2816 continue;
2817 }
2818 }
2819
2820 // Decode and advance source
2821 unsigned int c = (unsigned int)*s;
2822 if (c < 0x80)
2823 {
2824 s += 1;
2825 }
2826 else
2827 {
2828 s += ImTextCharFromUtf8(&c, s, text_end);
2829 if (c == 0) // Malformed UTF-8?
2830 break;
2831 }
2832
2833 if (c < 32)
2834 {
2835 if (c == '\n')
2836 {
2837 x = pos.x;
2838 y += line_height;
2839 if (y > clip_rect.w)
2840 break; // break out of main loop
2841 continue;
2842 }
2843 if (c == '\r')
2844 continue;
2845 }
2846
2847 float char_width = 0.0f;
2848 if (const ImFontGlyph* glyph = FindGlyph((ImWchar)c))
2849 {
2850 char_width = glyph->AdvanceX * scale;
2851
2852 // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
2853 if (c != ' ' && c != '\t')
2854 {
2855 // 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
2856 float x1 = x + glyph->X0 * scale;
2857 float x2 = x + glyph->X1 * scale;
2858 float y1 = y + glyph->Y0 * scale;
2859 float y2 = y + glyph->Y1 * scale;
2860 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
2861 {
2862 // Render a character
2863 float u1 = glyph->U0;
2864 float v1 = glyph->V0;
2865 float u2 = glyph->U1;
2866 float v2 = glyph->V1;
2867
2868 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
2869 if (cpu_fine_clip)
2870 {
2871 if (x1 < clip_rect.x)
2872 {
2873 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
2874 x1 = clip_rect.x;
2875 }
2876 if (y1 < clip_rect.y)
2877 {
2878 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
2879 y1 = clip_rect.y;
2880 }
2881 if (x2 > clip_rect.z)
2882 {
2883 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
2884 x2 = clip_rect.z;
2885 }
2886 if (y2 > clip_rect.w)
2887 {
2888 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
2889 y2 = clip_rect.w;
2890 }
2891 if (y1 >= y2)
2892 {
2893 x += char_width;
2894 continue;
2895 }
2896 }
2897
2898 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
2899 {
2900 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
2901 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
2902 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;
2903 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;
2904 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;
2905 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;
2906 vtx_write += 4;
2907 vtx_current_idx += 4;
2908 idx_write += 6;
2909 }
2910 }
2911 }
2912 }
2913
2914 x += char_width;
2915 }
2916
2917 // Give back unused vertices
2918 draw_list->VtxBuffer.resize((int)(vtx_write - draw_list->VtxBuffer.Data));
2919 draw_list->IdxBuffer.resize((int)(idx_write - draw_list->IdxBuffer.Data));
2920 draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
2921 draw_list->_VtxWritePtr = vtx_write;
2922 draw_list->_IdxWritePtr = idx_write;
2923 draw_list->_VtxCurrentIdx = (unsigned int)draw_list->VtxBuffer.Size;
2924 }
2925
2926 //-----------------------------------------------------------------------------
2927 // [SECTION] Internal Render Helpers
2928 // (progressively moved from imgui.cpp to here when they are redesigned to stop accessing ImGui global state)
2929 //-----------------------------------------------------------------------------
2930 // - RenderMouseCursor()
2931 // - RenderArrowPointingAt()
2932 // - RenderRectFilledRangeH()
2933 // - RenderPixelEllipsis()
2934 //-----------------------------------------------------------------------------
2935
RenderMouseCursor(ImDrawList * draw_list,ImVec2 pos,float scale,ImGuiMouseCursor mouse_cursor)2936 void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor)
2937 {
2938 if (mouse_cursor == ImGuiMouseCursor_None)
2939 return;
2940 IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
2941
2942 const ImU32 col_shadow = IM_COL32(0, 0, 0, 48);
2943 const ImU32 col_border = IM_COL32(0, 0, 0, 255); // Black
2944 const ImU32 col_fill = IM_COL32(255, 255, 255, 255); // White
2945
2946 ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
2947 ImVec2 offset, size, uv[4];
2948 if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
2949 {
2950 pos -= offset;
2951 const ImTextureID tex_id = font_atlas->TexID;
2952 draw_list->PushTextureID(tex_id);
2953 draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow);
2954 draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow);
2955 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border);
2956 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill);
2957 draw_list->PopTextureID();
2958 }
2959 }
2960
2961 // 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.
RenderArrowPointingAt(ImDrawList * draw_list,ImVec2 pos,ImVec2 half_sz,ImGuiDir direction,ImU32 col)2962 void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
2963 {
2964 switch (direction)
2965 {
2966 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;
2967 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;
2968 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;
2969 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;
2970 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
2971 }
2972 }
2973
ImAcos01(float x)2974 static inline float ImAcos01(float x)
2975 {
2976 if (x <= 0.0f) return IM_PI * 0.5f;
2977 if (x >= 1.0f) return 0.0f;
2978 return ImAcos(x);
2979 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
2980 }
2981
2982 // FIXME: Cleanup and move code to ImDrawList.
RenderRectFilledRangeH(ImDrawList * draw_list,const ImRect & rect,ImU32 col,float x_start_norm,float x_end_norm,float rounding)2983 void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
2984 {
2985 if (x_end_norm == x_start_norm)
2986 return;
2987 if (x_start_norm > x_end_norm)
2988 ImSwap(x_start_norm, x_end_norm);
2989
2990 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y);
2991 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y);
2992 if (rounding == 0.0f)
2993 {
2994 draw_list->AddRectFilled(p0, p1, col, 0.0f);
2995 return;
2996 }
2997
2998 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding);
2999 const float inv_rounding = 1.0f / rounding;
3000 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
3001 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
3002 const float x0 = ImMax(p0.x, rect.Min.x + rounding);
3003 if (arc0_b == arc0_e)
3004 {
3005 draw_list->PathLineTo(ImVec2(x0, p1.y));
3006 draw_list->PathLineTo(ImVec2(x0, p0.y));
3007 }
3008 else if (arc0_b == 0.0f && arc0_e == IM_PI*0.5f)
3009 {
3010 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
3011 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
3012 }
3013 else
3014 {
3015 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL
3016 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR
3017 }
3018 if (p1.x > rect.Min.x + rounding)
3019 {
3020 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding);
3021 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding);
3022 const float x1 = ImMin(p1.x, rect.Max.x - rounding);
3023 if (arc1_b == arc1_e)
3024 {
3025 draw_list->PathLineTo(ImVec2(x1, p0.y));
3026 draw_list->PathLineTo(ImVec2(x1, p1.y));
3027 }
3028 else if (arc1_b == 0.0f && arc1_e == IM_PI*0.5f)
3029 {
3030 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
3031 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR
3032 }
3033 else
3034 {
3035 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR
3036 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR
3037 }
3038 }
3039 draw_list->PathFillConvex(col);
3040 }
3041
3042 // FIXME: Rendering an ellipsis "..." is a surprisingly tricky problem for us... we cannot rely on font glyph having it,
3043 // and regular dot are typically too wide. If we render a dot/shape ourselves it comes with the risk that it wouldn't match
3044 // the boldness or positioning of what the font uses...
RenderPixelEllipsis(ImDrawList * draw_list,ImVec2 pos,int count,ImU32 col)3045 void ImGui::RenderPixelEllipsis(ImDrawList* draw_list, ImVec2 pos, int count, ImU32 col)
3046 {
3047 ImFont* font = draw_list->_Data->Font;
3048 pos.y += (float)(int)(font->DisplayOffset.y + font->Ascent + 0.5f - 1.0f);
3049 for (int dot_n = 0; dot_n < count; dot_n++)
3050 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);
3051 }
3052
3053 //-----------------------------------------------------------------------------
3054 // [SECTION] Decompression code
3055 //-----------------------------------------------------------------------------
3056 // Compressed with stb_compress() then converted to a C array and encoded as base85.
3057 // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
3058 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3059 // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
3060 //-----------------------------------------------------------------------------
3061
stb_decompress_length(const unsigned char * input)3062 static unsigned int stb_decompress_length(const unsigned char *input)
3063 {
3064 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
3065 }
3066
3067 static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
3068 static const unsigned char *stb__barrier_in_b;
3069 static unsigned char *stb__dout;
stb__match(const unsigned char * data,unsigned int length)3070 static void stb__match(const unsigned char *data, unsigned int length)
3071 {
3072 // INVERSE of memmove... write each byte before copying the next...
3073 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3074 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3075 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
3076 while (length--) *stb__dout++ = *data++;
3077 }
3078
stb__lit(const unsigned char * data,unsigned int length)3079 static void stb__lit(const unsigned char *data, unsigned int length)
3080 {
3081 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3082 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3083 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
3084 memcpy(stb__dout, data, length);
3085 stb__dout += length;
3086 }
3087
3088 #define stb__in2(x) ((i[x] << 8) + i[(x)+1])
3089 #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
3090 #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
3091
stb_decompress_token(const unsigned char * i)3092 static const unsigned char *stb_decompress_token(const unsigned char *i)
3093 {
3094 if (*i >= 0x20) { // use fewer if's for cases that expand small
3095 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
3096 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
3097 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
3098 } else { // more ifs for cases that expand large, since overhead is amortized
3099 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
3100 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
3101 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
3102 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
3103 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
3104 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
3105 }
3106 return i;
3107 }
3108
stb_adler32(unsigned int adler32,unsigned char * buffer,unsigned int buflen)3109 static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
3110 {
3111 const unsigned long ADLER_MOD = 65521;
3112 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
3113 unsigned long blocklen, i;
3114
3115 blocklen = buflen % 5552;
3116 while (buflen) {
3117 for (i=0; i + 7 < blocklen; i += 8) {
3118 s1 += buffer[0], s2 += s1;
3119 s1 += buffer[1], s2 += s1;
3120 s1 += buffer[2], s2 += s1;
3121 s1 += buffer[3], s2 += s1;
3122 s1 += buffer[4], s2 += s1;
3123 s1 += buffer[5], s2 += s1;
3124 s1 += buffer[6], s2 += s1;
3125 s1 += buffer[7], s2 += s1;
3126
3127 buffer += 8;
3128 }
3129
3130 for (; i < blocklen; ++i)
3131 s1 += *buffer++, s2 += s1;
3132
3133 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
3134 buflen -= blocklen;
3135 blocklen = 5552;
3136 }
3137 return (unsigned int)(s2 << 16) + (unsigned int)s1;
3138 }
3139
stb_decompress(unsigned char * output,const unsigned char * i,unsigned int)3140 static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
3141 {
3142 unsigned int olen;
3143 if (stb__in4(0) != 0x57bC0000) return 0;
3144 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
3145 olen = stb_decompress_length(i);
3146 stb__barrier_in_b = i;
3147 stb__barrier_out_e = output + olen;
3148 stb__barrier_out_b = output;
3149 i += 16;
3150
3151 stb__dout = output;
3152 for (;;) {
3153 const unsigned char *old_i = i;
3154 i = stb_decompress_token(i);
3155 if (i == old_i) {
3156 if (*i == 0x05 && i[1] == 0xfa) {
3157 IM_ASSERT(stb__dout == output + olen);
3158 if (stb__dout != output + olen) return 0;
3159 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
3160 return 0;
3161 return olen;
3162 } else {
3163 IM_ASSERT(0); /* NOTREACHED */
3164 return 0;
3165 }
3166 }
3167 IM_ASSERT(stb__dout <= output + olen);
3168 if (stb__dout > output + olen)
3169 return 0;
3170 }
3171 }
3172
3173 //-----------------------------------------------------------------------------
3174 // [SECTION] Default font data (ProggyClean.ttf)
3175 //-----------------------------------------------------------------------------
3176 // ProggyClean.ttf
3177 // Copyright (c) 2004, 2005 Tristan Grimmer
3178 // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
3179 // Download and more information at http://upperbounds.net
3180 //-----------------------------------------------------------------------------
3181 // File: 'ProggyClean.ttf' (41208 bytes)
3182 // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
3183 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3184 //-----------------------------------------------------------------------------
3185 static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
3186 "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
3187 "2*>]b(MC;$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#"
3188 "`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"
3189 "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"
3190 "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+`�j@'DbG&#^$PG.Ll+DNa<XCMKEV*N)LN/N"
3191 "*b=%Q6pia-Xg8I$<MR&,VdJe$<(7G;Ckl'&hF;;$<_=X(b.RS%%)###MPBuuE1V:v&cXm#(&cV]`k9OhLMbn%s$G2,B$BfD3X*sp5#l,$R#]x_X1xKX%b5U*[r5iMfUo9U`N99hG)"
3192 "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"
3193 "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."
3194 "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"
3195 "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(,)"
3196 "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#"
3197 "'/###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"
3198 "_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"
3199 "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/"
3200 "/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"
3201 "%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&#"
3202 "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)("
3203 "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"
3204 "o;#2:;%d	v68C5g?ntX0X)pT`;%pB3q7mgGN)3%(P8nTd5L7GeA-GL@+%J3u2:(Yf>et`e;)f#Km8&+DC$I46>#Kr]]u-[=99tts1.qb#q72g1WJO81q+eN'03'eM>&1XxY-caEnO"
3205 "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^-"
3206 "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-"
3207 "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"
3208 "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%"
3209 "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]"
3210 "%(?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"
3211 "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:"
3212 "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("
3213 "$/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<"
3214 "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'?"
3215 "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/;"
3216 ")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"
3217 "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("
3218 "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"
3219 "bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTGT5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
3220 "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<-"
3221 "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"
3222 "sZ88+dKQ)W6>J%CL<KE>`.d*(B`-n8D9oK<Up]c$X$(,)M8Zt7/[rdkqTgl-0cuGMv'?>-XV1q['-5k'cAZ69e;D_?$ZPP&s^+7])$*$#@QYi9,5P	r+$%CE=68>K8r0=dSC%%(@p7"
3223 ".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@@"
3224 "$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
3225 "hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
3226 "@-W$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&#"
3227 "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#"
3228 "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"
3229 "d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoFDoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
3230 "6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
3231 "b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
3232 ":k$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+"
3233 "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*"
3234 "$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
3235 ":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
3236 "7aQC[K8d-(v6GI$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"
3237 "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"
3238 "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
3239 ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
3240 "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
3241 "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
3242 "^V'9;jY@;)br#q^YQpx:X#Te$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:"
3243 "+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%"
3244 "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
3245 "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
3246 "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
3247 "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
3248 "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
3249 "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
3250 "+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"
3251 "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"
3252 "?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"
3253 "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"
3254 ">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-$.QN'>"
3255 "[%$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"
3256 "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#"
3257 "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$"
3258 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
3259 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
3260 "1*c-(aY168o<`JsSbk-,1N;$>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"
3261 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
3262 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
3263 ";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&>"
3264 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
3265 "d<F&#*;G##.GY##2Sl##6`($#:l:$#>xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4"
3266 "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$C#+E6C#"
3267 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
3268 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
3269 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
3270 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
3271 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
3272
GetDefaultCompressedFontDataTTFBase85()3273 static const char* GetDefaultCompressedFontDataTTFBase85()
3274 {
3275 return proggy_clean_ttf_compressed_data_base85;
3276 }
3277