1 // dear imgui, v1.74 WIP
2 // (drawing and font code)
3
4 /*
5
6 Index of this file:
7
8 // [SECTION] STB libraries implementation
9 // [SECTION] Style functions
10 // [SECTION] ImDrawList
11 // [SECTION] ImDrawListSplitter
12 // [SECTION] ImDrawData
13 // [SECTION] Helpers ShadeVertsXXX functions
14 // [SECTION] ImFontConfig
15 // [SECTION] ImFontAtlas
16 // [SECTION] ImFontAtlas glyph ranges helpers
17 // [SECTION] ImFontGlyphRangesBuilder
18 // [SECTION] ImFont
19 // [SECTION] Internal Render Helpers
20 // [SECTION] Decompression code
21 // [SECTION] Default font data (ProggyClean.ttf)
22
23 */
24
25 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
26 #define _CRT_SECURE_NO_WARNINGS
27 #endif
28
29 #include "imgui.h"
30 #ifndef IMGUI_DEFINE_MATH_OPERATORS
31 #define IMGUI_DEFINE_MATH_OPERATORS
32 #endif
33 #include "imgui_internal.h"
34
35 #include <stdio.h> // vsnprintf, sscanf, printf
36 #if !defined(alloca)
37 #if defined(__GLIBC__) || defined(__sun) || defined(__CYGWIN__) || defined(__APPLE__) || defined(__SWITCH__)
38 #include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here)
39 #elif defined(_WIN32)
40 #include <malloc.h> // alloca
41 #if !defined(alloca)
42 #define alloca _alloca // for clang with MS Codegen
43 #endif
44 #else
45 #include <stdlib.h> // alloca
46 #endif
47 #endif
48
49 // Visual Studio warnings
50 #ifdef _MSC_VER
51 #pragma warning (disable: 4127) // condition expression is constant
52 #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
53 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
54 #endif
55
56 // Clang/GCC warnings with -Weverything
57 #if defined(__clang__)
58 #pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
59 #pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
60 #pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference is.
61 #pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
62 #if __has_warning("-Wzero-as-null-pointer-constant")
63 #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0
64 #endif
65 #if __has_warning("-Wcomma")
66 #pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
67 #endif
68 #if __has_warning("-Wreserved-id-macro")
69 #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
70 #endif
71 #if __has_warning("-Wdouble-promotion")
72 #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.
73 #endif
74 #elif defined(__GNUC__)
75 #pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind
76 #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
77 #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
78 #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
79 #pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer
80 #pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
81 #endif
82
83 //-------------------------------------------------------------------------
84 // [SECTION] STB libraries implementation
85 //-------------------------------------------------------------------------
86
87 // Compile time options:
88 //#define IMGUI_STB_NAMESPACE ImStb
89 //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
90 //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
91 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
92 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
93
94 #ifdef IMGUI_STB_NAMESPACE
95 namespace IMGUI_STB_NAMESPACE
96 {
97 #endif
98
99 #ifdef _MSC_VER
100 #pragma warning (push)
101 #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
102 #endif
103
104 #if defined(__clang__)
105 #pragma clang diagnostic push
106 #pragma clang diagnostic ignored "-Wunused-function"
107 #pragma clang diagnostic ignored "-Wmissing-prototypes"
108 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
109 #pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier //
110 #endif
111
112 #if defined(__GNUC__)
113 #pragma GCC diagnostic push
114 #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
115 #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
116 #endif
117
118 #ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
119 #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
120 #define STBRP_STATIC
121 #define STBRP_ASSERT(x) IM_ASSERT(x)
122 #define STBRP_SORT ImQsort
123 #define STB_RECT_PACK_IMPLEMENTATION
124 #endif
125 #ifdef IMGUI_STB_RECT_PACK_FILENAME
126 #include IMGUI_STB_RECT_PACK_FILENAME
127 #else
128 #include "imstb_rectpack.h"
129 #endif
130 #endif
131
132 #ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
133 #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
134 #define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x))
135 #define STBTT_free(x,u) ((void)(u), IM_FREE(x))
136 #define STBTT_assert(x) IM_ASSERT(x)
137 #define STBTT_fmod(x,y) ImFmod(x,y)
138 #define STBTT_sqrt(x) ImSqrt(x)
139 #define STBTT_pow(x,y) ImPow(x,y)
140 #define STBTT_fabs(x) ImFabs(x)
141 #define STBTT_ifloor(x) ((int)ImFloorStd(x))
142 #define STBTT_iceil(x) ((int)ImCeil(x))
143 #define STBTT_STATIC
144 #define STB_TRUETYPE_IMPLEMENTATION
145 #else
146 #define STBTT_DEF extern
147 #endif
148 #ifdef IMGUI_STB_TRUETYPE_FILENAME
149 #include IMGUI_STB_TRUETYPE_FILENAME
150 #else
151 #include "imstb_truetype.h"
152 #endif
153 #endif
154
155 #if defined(__GNUC__)
156 #pragma GCC diagnostic pop
157 #endif
158
159 #if defined(__clang__)
160 #pragma clang diagnostic pop
161 #endif
162
163 #if defined(_MSC_VER)
164 #pragma warning (pop)
165 #endif
166
167 #ifdef IMGUI_STB_NAMESPACE
168 } // namespace ImStb
169 using namespace IMGUI_STB_NAMESPACE;
170 #endif
171
172 //-----------------------------------------------------------------------------
173 // [SECTION] Style functions
174 //-----------------------------------------------------------------------------
175
StyleColorsDark(ImGuiStyle * dst)176 void ImGui::StyleColorsDark(ImGuiStyle* dst)
177 {
178 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
179 ImVec4* colors = style->Colors;
180
181 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
182 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
183 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
184 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
185 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
186 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
187 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
188 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
189 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
190 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
191 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
192 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
193 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
194 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
195 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
196 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
197 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
198 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
199 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
200 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
201 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
202 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
203 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
204 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
205 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
206 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
207 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
208 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
209 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
210 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
211 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
212 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
213 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
214 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
215 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
216 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
217 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
218 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
219 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
220 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
221 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
222 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
223 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
224 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
225 colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
226 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
227 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
228 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
229 }
230
StyleColorsClassic(ImGuiStyle * dst)231 void ImGui::StyleColorsClassic(ImGuiStyle* dst)
232 {
233 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
234 ImVec4* colors = style->Colors;
235
236 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
237 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
238 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
239 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
240 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
241 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
242 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
243 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
244 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
245 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
246 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
247 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
248 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
249 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
250 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
251 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
252 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
253 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
254 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
255 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
256 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
257 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
258 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
259 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
260 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
261 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
262 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
263 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f);
264 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
265 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
266 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f);
267 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
268 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
269 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
270 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
271 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
272 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
273 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
274 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
275 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
276 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
277 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
278 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
279 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
280 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
281 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
282 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
283 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
284 }
285
286 // Those light colors are better suited with a thicker font than the default one + FrameBorder
StyleColorsLight(ImGuiStyle * dst)287 void ImGui::StyleColorsLight(ImGuiStyle* dst)
288 {
289 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
290 ImVec4* colors = style->Colors;
291
292 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
293 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
294 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
295 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
296 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
297 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
298 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
299 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
300 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
301 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
302 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
303 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
304 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
305 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
306 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
307 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
308 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
309 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
310 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
311 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
312 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
313 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
314 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
315 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
316 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
317 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
318 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
319 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f);
320 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
321 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
322 colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f);
323 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
324 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
325 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f);
326 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
327 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
328 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
329 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
330 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
331 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
332 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
333 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
334 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
335 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
336 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
337 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
338 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
339 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
340 }
341
342 //-----------------------------------------------------------------------------
343 // ImDrawList
344 //-----------------------------------------------------------------------------
345
ImDrawListSharedData()346 ImDrawListSharedData::ImDrawListSharedData()
347 {
348 Font = NULL;
349 FontSize = 0.0f;
350 CurveTessellationTol = 0.0f;
351 ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f);
352 InitialFlags = ImDrawListFlags_None;
353
354 // Const data
355 for (int i = 0; i < IM_ARRAYSIZE(CircleVtx12); i++)
356 {
357 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(CircleVtx12);
358 CircleVtx12[i] = ImVec2(ImCos(a), ImSin(a));
359 }
360 }
361
Clear()362 void ImDrawList::Clear()
363 {
364 CmdBuffer.resize(0);
365 IdxBuffer.resize(0);
366 VtxBuffer.resize(0);
367 Flags = _Data ? _Data->InitialFlags : ImDrawListFlags_None;
368 _VtxCurrentOffset = 0;
369 _VtxCurrentIdx = 0;
370 _VtxWritePtr = NULL;
371 _IdxWritePtr = NULL;
372 _ClipRectStack.resize(0);
373 _TextureIdStack.resize(0);
374 _Path.resize(0);
375 _Splitter.Clear();
376 }
377
ClearFreeMemory()378 void ImDrawList::ClearFreeMemory()
379 {
380 CmdBuffer.clear();
381 IdxBuffer.clear();
382 VtxBuffer.clear();
383 _VtxCurrentIdx = 0;
384 _VtxWritePtr = NULL;
385 _IdxWritePtr = NULL;
386 _ClipRectStack.clear();
387 _TextureIdStack.clear();
388 _Path.clear();
389 _Splitter.ClearFreeMemory();
390 }
391
CloneOutput() const392 ImDrawList* ImDrawList::CloneOutput() const
393 {
394 ImDrawList* dst = IM_NEW(ImDrawList(_Data));
395 dst->CmdBuffer = CmdBuffer;
396 dst->IdxBuffer = IdxBuffer;
397 dst->VtxBuffer = VtxBuffer;
398 dst->Flags = Flags;
399 return dst;
400 }
401
402 // Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds
403 #define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
404 #define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : (ImTextureID)NULL)
405
AddDrawCmd()406 void ImDrawList::AddDrawCmd()
407 {
408 ImDrawCmd draw_cmd;
409 draw_cmd.ClipRect = GetCurrentClipRect();
410 draw_cmd.TextureId = GetCurrentTextureId();
411 draw_cmd.VtxOffset = _VtxCurrentOffset;
412 draw_cmd.IdxOffset = IdxBuffer.Size;
413
414 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
415 CmdBuffer.push_back(draw_cmd);
416 }
417
AddCallback(ImDrawCallback callback,void * callback_data)418 void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
419 {
420 ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
421 if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
422 {
423 AddDrawCmd();
424 current_cmd = &CmdBuffer.back();
425 }
426 current_cmd->UserCallback = callback;
427 current_cmd->UserCallbackData = callback_data;
428
429 AddDrawCmd(); // Force a new command after us (see comment below)
430 }
431
432 // 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.
433 // 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()434 void ImDrawList::UpdateClipRect()
435 {
436 // If current command is used with different settings we need to add a new command
437 const ImVec4 curr_clip_rect = GetCurrentClipRect();
438 ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
439 if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
440 {
441 AddDrawCmd();
442 return;
443 }
444
445 // Try to merge with previous command if it matches, else use current command
446 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
447 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)
448 CmdBuffer.pop_back();
449 else
450 curr_cmd->ClipRect = curr_clip_rect;
451 }
452
UpdateTextureID()453 void ImDrawList::UpdateTextureID()
454 {
455 // If current command is used with different settings we need to add a new command
456 const ImTextureID curr_texture_id = GetCurrentTextureId();
457 ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
458 if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
459 {
460 AddDrawCmd();
461 return;
462 }
463
464 // Try to merge with previous command if it matches, else use current command
465 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
466 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)
467 CmdBuffer.pop_back();
468 else
469 curr_cmd->TextureId = curr_texture_id;
470 }
471
472 #undef GetCurrentClipRect
473 #undef GetCurrentTextureId
474
475 // 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)476 void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect)
477 {
478 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
479 if (intersect_with_current_clip_rect && _ClipRectStack.Size)
480 {
481 ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1];
482 if (cr.x < current.x) cr.x = current.x;
483 if (cr.y < current.y) cr.y = current.y;
484 if (cr.z > current.z) cr.z = current.z;
485 if (cr.w > current.w) cr.w = current.w;
486 }
487 cr.z = ImMax(cr.x, cr.z);
488 cr.w = ImMax(cr.y, cr.w);
489
490 _ClipRectStack.push_back(cr);
491 UpdateClipRect();
492 }
493
PushClipRectFullScreen()494 void ImDrawList::PushClipRectFullScreen()
495 {
496 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
497 }
498
PopClipRect()499 void ImDrawList::PopClipRect()
500 {
501 IM_ASSERT(_ClipRectStack.Size > 0);
502 _ClipRectStack.pop_back();
503 UpdateClipRect();
504 }
505
PushTextureID(ImTextureID texture_id)506 void ImDrawList::PushTextureID(ImTextureID texture_id)
507 {
508 _TextureIdStack.push_back(texture_id);
509 UpdateTextureID();
510 }
511
PopTextureID()512 void ImDrawList::PopTextureID()
513 {
514 IM_ASSERT(_TextureIdStack.Size > 0);
515 _TextureIdStack.pop_back();
516 UpdateTextureID();
517 }
518
519 // 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)520 void ImDrawList::PrimReserve(int idx_count, int vtx_count)
521 {
522 // Large mesh support (when enabled)
523 if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset))
524 {
525 _VtxCurrentOffset = VtxBuffer.Size;
526 _VtxCurrentIdx = 0;
527 AddDrawCmd();
528 }
529
530 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size-1];
531 draw_cmd.ElemCount += idx_count;
532
533 int vtx_buffer_old_size = VtxBuffer.Size;
534 VtxBuffer.resize(vtx_buffer_old_size + vtx_count);
535 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
536
537 int idx_buffer_old_size = IdxBuffer.Size;
538 IdxBuffer.resize(idx_buffer_old_size + idx_count);
539 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
540 }
541
542 // Fully unrolled with inline call to keep our debug builds decently fast.
PrimRect(const ImVec2 & a,const ImVec2 & c,ImU32 col)543 void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
544 {
545 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
546 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
547 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
548 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
549 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
550 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
551 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
552 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
553 _VtxWritePtr += 4;
554 _VtxCurrentIdx += 4;
555 _IdxWritePtr += 6;
556 }
557
PrimRectUV(const ImVec2 & a,const ImVec2 & c,const ImVec2 & uv_a,const ImVec2 & uv_c,ImU32 col)558 void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
559 {
560 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);
561 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
562 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
563 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
564 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
565 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
566 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
567 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
568 _VtxWritePtr += 4;
569 _VtxCurrentIdx += 4;
570 _IdxWritePtr += 6;
571 }
572
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)573 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)
574 {
575 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
576 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
577 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
578 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
579 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
580 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
581 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
582 _VtxWritePtr += 4;
583 _VtxCurrentIdx += 4;
584 _IdxWritePtr += 6;
585 }
586
587 // On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds.
588 // Those macros expects l-values.
589 #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; } }
590 #define IM_FIXNORMAL2F(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 < 0.5f) d2 = 0.5f; float inv_lensq = 1.0f / d2; VX *= inv_lensq; VY *= inv_lensq; }
591
592 // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
593 // 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)594 void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
595 {
596 if (points_count < 2)
597 return;
598
599 const ImVec2 uv = _Data->TexUvWhitePixel;
600
601 int count = points_count;
602 if (!closed)
603 count = points_count-1;
604
605 const bool thick_line = thickness > 1.0f;
606 if (Flags & ImDrawListFlags_AntiAliasedLines)
607 {
608 // Anti-aliased stroke
609 const float AA_SIZE = 1.0f;
610 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
611
612 const int idx_count = thick_line ? count*18 : count*12;
613 const int vtx_count = thick_line ? points_count*4 : points_count*3;
614 PrimReserve(idx_count, vtx_count);
615
616 // Temporary buffer
617 ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); //-V630
618 ImVec2* temp_points = temp_normals + points_count;
619
620 for (int i1 = 0; i1 < count; i1++)
621 {
622 const int i2 = (i1+1) == points_count ? 0 : i1+1;
623 float dx = points[i2].x - points[i1].x;
624 float dy = points[i2].y - points[i1].y;
625 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
626 temp_normals[i1].x = dy;
627 temp_normals[i1].y = -dx;
628 }
629 if (!closed)
630 temp_normals[points_count-1] = temp_normals[points_count-2];
631
632 if (!thick_line)
633 {
634 if (!closed)
635 {
636 temp_points[0] = points[0] + temp_normals[0] * AA_SIZE;
637 temp_points[1] = points[0] - temp_normals[0] * AA_SIZE;
638 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE;
639 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE;
640 }
641
642 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
643 unsigned int idx1 = _VtxCurrentIdx;
644 for (int i1 = 0; i1 < count; i1++)
645 {
646 const int i2 = (i1+1) == points_count ? 0 : i1+1;
647 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
648
649 // Average normals
650 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
651 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
652 IM_FIXNORMAL2F(dm_x, dm_y)
653 dm_x *= AA_SIZE;
654 dm_y *= AA_SIZE;
655
656 // Add temporary vertexes
657 ImVec2* out_vtx = &temp_points[i2*2];
658 out_vtx[0].x = points[i2].x + dm_x;
659 out_vtx[0].y = points[i2].y + dm_y;
660 out_vtx[1].x = points[i2].x - dm_x;
661 out_vtx[1].y = points[i2].y - dm_y;
662
663 // Add indexes
664 _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
665 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0);
666 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
667 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1);
668 _IdxWritePtr += 12;
669
670 idx1 = idx2;
671 }
672
673 // Add vertexes
674 for (int i = 0; i < points_count; i++)
675 {
676 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
677 _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
678 _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
679 _VtxWritePtr += 3;
680 }
681 }
682 else
683 {
684 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
685 if (!closed)
686 {
687 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
688 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
689 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
690 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
691 temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
692 temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
693 temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
694 temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
695 }
696
697 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
698 unsigned int idx1 = _VtxCurrentIdx;
699 for (int i1 = 0; i1 < count; i1++)
700 {
701 const int i2 = (i1+1) == points_count ? 0 : i1+1;
702 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
703
704 // Average normals
705 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
706 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
707 IM_FIXNORMAL2F(dm_x, dm_y);
708 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
709 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
710 float dm_in_x = dm_x * half_inner_thickness;
711 float dm_in_y = dm_y * half_inner_thickness;
712
713 // Add temporary vertexes
714 ImVec2* out_vtx = &temp_points[i2*4];
715 out_vtx[0].x = points[i2].x + dm_out_x;
716 out_vtx[0].y = points[i2].y + dm_out_y;
717 out_vtx[1].x = points[i2].x + dm_in_x;
718 out_vtx[1].y = points[i2].y + dm_in_y;
719 out_vtx[2].x = points[i2].x - dm_in_x;
720 out_vtx[2].y = points[i2].y - dm_in_y;
721 out_vtx[3].x = points[i2].x - dm_out_x;
722 out_vtx[3].y = points[i2].y - dm_out_y;
723
724 // Add indexes
725 _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
726 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1);
727 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
728 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1);
729 _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3);
730 _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2);
731 _IdxWritePtr += 18;
732
733 idx1 = idx2;
734 }
735
736 // Add vertexes
737 for (int i = 0; i < points_count; i++)
738 {
739 _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
740 _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
741 _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
742 _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans;
743 _VtxWritePtr += 4;
744 }
745 }
746 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
747 }
748 else
749 {
750 // Non Anti-aliased Stroke
751 const int idx_count = count*6;
752 const int vtx_count = count*4; // FIXME-OPT: Not sharing edges
753 PrimReserve(idx_count, vtx_count);
754
755 for (int i1 = 0; i1 < count; i1++)
756 {
757 const int i2 = (i1+1) == points_count ? 0 : i1+1;
758 const ImVec2& p1 = points[i1];
759 const ImVec2& p2 = points[i2];
760
761 float dx = p2.x - p1.x;
762 float dy = p2.y - p1.y;
763 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
764 dx *= (thickness * 0.5f);
765 dy *= (thickness * 0.5f);
766
767 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
768 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
769 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
770 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
771 _VtxWritePtr += 4;
772
773 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2);
774 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3);
775 _IdxWritePtr += 6;
776 _VtxCurrentIdx += 4;
777 }
778 }
779 }
780
781 // 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)782 void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
783 {
784 if (points_count < 3)
785 return;
786
787 const ImVec2 uv = _Data->TexUvWhitePixel;
788
789 if (Flags & ImDrawListFlags_AntiAliasedFill)
790 {
791 // Anti-aliased Fill
792 const float AA_SIZE = 1.0f;
793 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
794 const int idx_count = ImMax(0, (points_count-2)*3) + points_count*6;
795 const int vtx_count = (points_count*2);
796 PrimReserve(idx_count, vtx_count);
797
798 // Add indexes for fill
799 unsigned int vtx_inner_idx = _VtxCurrentIdx;
800 unsigned int vtx_outer_idx = _VtxCurrentIdx+1;
801 for (int i = 2; i < points_count; i++)
802 {
803 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
804 _IdxWritePtr += 3;
805 }
806
807 // Compute normals
808 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630
809 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
810 {
811 const ImVec2& p0 = points[i0];
812 const ImVec2& p1 = points[i1];
813 float dx = p1.x - p0.x;
814 float dy = p1.y - p0.y;
815 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
816 temp_normals[i0].x = dy;
817 temp_normals[i0].y = -dx;
818 }
819
820 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
821 {
822 // Average normals
823 const ImVec2& n0 = temp_normals[i0];
824 const ImVec2& n1 = temp_normals[i1];
825 float dm_x = (n0.x + n1.x) * 0.5f;
826 float dm_y = (n0.y + n1.y) * 0.5f;
827 IM_FIXNORMAL2F(dm_x, dm_y);
828 dm_x *= AA_SIZE * 0.5f;
829 dm_y *= AA_SIZE * 0.5f;
830
831 // Add vertices
832 _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
833 _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
834 _VtxWritePtr += 2;
835
836 // Add indexes for fringes
837 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1));
838 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1));
839 _IdxWritePtr += 6;
840 }
841 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
842 }
843 else
844 {
845 // Non Anti-aliased Fill
846 const int idx_count = (points_count-2)*3;
847 const int vtx_count = points_count;
848 PrimReserve(idx_count, vtx_count);
849 for (int i = 0; i < vtx_count; i++)
850 {
851 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
852 _VtxWritePtr++;
853 }
854 for (int i = 2; i < points_count; i++)
855 {
856 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i);
857 _IdxWritePtr += 3;
858 }
859 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
860 }
861 }
862
PathArcToFast(const ImVec2 & center,float radius,int a_min_of_12,int a_max_of_12)863 void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12)
864 {
865 if (radius == 0.0f || a_min_of_12 > a_max_of_12)
866 {
867 _Path.push_back(center);
868 return;
869 }
870 _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
871 for (int a = a_min_of_12; a <= a_max_of_12; a++)
872 {
873 const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
874 _Path.push_back(ImVec2(center.x + c.x * radius, center.y + c.y * radius));
875 }
876 }
877
PathArcTo(const ImVec2 & center,float radius,float a_min,float a_max,int num_segments)878 void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
879 {
880 if (radius == 0.0f)
881 {
882 _Path.push_back(center);
883 return;
884 }
885
886 // Note that we are adding a point at both a_min and a_max.
887 // If you are trying to draw a full closed circle you don't want the overlapping points!
888 _Path.reserve(_Path.Size + (num_segments + 1));
889 for (int i = 0; i <= num_segments; i++)
890 {
891 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
892 _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius));
893 }
894 }
895
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)896 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)
897 {
898 float dx = x4 - x1;
899 float dy = y4 - y1;
900 float d2 = ((x2 - x4) * dy - (y2 - y4) * dx);
901 float d3 = ((x3 - x4) * dy - (y3 - y4) * dx);
902 d2 = (d2 >= 0) ? d2 : -d2;
903 d3 = (d3 >= 0) ? d3 : -d3;
904 if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy))
905 {
906 path->push_back(ImVec2(x4, y4));
907 }
908 else if (level < 10)
909 {
910 float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f;
911 float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f;
912 float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f;
913 float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f;
914 float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f;
915 float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f;
916
917 PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1);
918 PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1);
919 }
920 }
921
PathBezierCurveTo(const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,int num_segments)922 void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
923 {
924 ImVec2 p1 = _Path.back();
925 if (num_segments == 0)
926 {
927 // Auto-tessellated
928 PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0);
929 }
930 else
931 {
932 float t_step = 1.0f / (float)num_segments;
933 for (int i_step = 1; i_step <= num_segments; i_step++)
934 {
935 float t = t_step * i_step;
936 float u = 1.0f - t;
937 float w1 = u*u*u;
938 float w2 = 3*u*u*t;
939 float w3 = 3*u*t*t;
940 float w4 = t*t*t;
941 _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));
942 }
943 }
944 }
945
PathRect(const ImVec2 & a,const ImVec2 & b,float rounding,ImDrawCornerFlags rounding_corners)946 void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawCornerFlags rounding_corners)
947 {
948 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);
949 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);
950
951 if (rounding <= 0.0f || rounding_corners == 0)
952 {
953 PathLineTo(a);
954 PathLineTo(ImVec2(b.x, a.y));
955 PathLineTo(b);
956 PathLineTo(ImVec2(a.x, b.y));
957 }
958 else
959 {
960 const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f;
961 const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f;
962 const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f;
963 const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f;
964 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9);
965 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12);
966 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3);
967 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6);
968 }
969 }
970
AddLine(const ImVec2 & p1,const ImVec2 & p2,ImU32 col,float thickness)971 void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness)
972 {
973 if ((col & IM_COL32_A_MASK) == 0)
974 return;
975 PathLineTo(p1 + ImVec2(0.5f, 0.5f));
976 PathLineTo(p2 + ImVec2(0.5f, 0.5f));
977 PathStroke(col, false, thickness);
978 }
979
980 // p_min = upper-left, p_max = lower-right
981 // Note we don't render 1 pixels sized rectangles properly.
AddRect(const ImVec2 & p_min,const ImVec2 & p_max,ImU32 col,float rounding,ImDrawCornerFlags rounding_corners,float thickness)982 void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners, float thickness)
983 {
984 if ((col & IM_COL32_A_MASK) == 0)
985 return;
986 if (Flags & ImDrawListFlags_AntiAliasedLines)
987 PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.50f,0.50f), rounding, rounding_corners);
988 else
989 PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.49f,0.49f), rounding, rounding_corners); // Better looking lower-right corner and rounded non-AA shapes.
990 PathStroke(col, true, thickness);
991 }
992
AddRectFilled(const ImVec2 & p_min,const ImVec2 & p_max,ImU32 col,float rounding,ImDrawCornerFlags rounding_corners)993 void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners)
994 {
995 if ((col & IM_COL32_A_MASK) == 0)
996 return;
997 if (rounding > 0.0f)
998 {
999 PathRect(p_min, p_max, rounding, rounding_corners);
1000 PathFillConvex(col);
1001 }
1002 else
1003 {
1004 PrimReserve(6, 4);
1005 PrimRect(p_min, p_max, col);
1006 }
1007 }
1008
1009 // p_min = upper-left, p_max = lower-right
AddRectFilledMultiColor(const ImVec2 & p_min,const ImVec2 & p_max,ImU32 col_upr_left,ImU32 col_upr_right,ImU32 col_bot_right,ImU32 col_bot_left)1010 void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
1011 {
1012 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1013 return;
1014
1015 const ImVec2 uv = _Data->TexUvWhitePixel;
1016 PrimReserve(6, 4);
1017 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
1018 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
1019 PrimWriteVtx(p_min, uv, col_upr_left);
1020 PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right);
1021 PrimWriteVtx(p_max, uv, col_bot_right);
1022 PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left);
1023 }
1024
AddQuad(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,ImU32 col,float thickness)1025 void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness)
1026 {
1027 if ((col & IM_COL32_A_MASK) == 0)
1028 return;
1029
1030 PathLineTo(p1);
1031 PathLineTo(p2);
1032 PathLineTo(p3);
1033 PathLineTo(p4);
1034 PathStroke(col, true, thickness);
1035 }
1036
AddQuadFilled(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,ImU32 col)1037 void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col)
1038 {
1039 if ((col & IM_COL32_A_MASK) == 0)
1040 return;
1041
1042 PathLineTo(p1);
1043 PathLineTo(p2);
1044 PathLineTo(p3);
1045 PathLineTo(p4);
1046 PathFillConvex(col);
1047 }
1048
AddTriangle(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,ImU32 col,float thickness)1049 void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness)
1050 {
1051 if ((col & IM_COL32_A_MASK) == 0)
1052 return;
1053
1054 PathLineTo(p1);
1055 PathLineTo(p2);
1056 PathLineTo(p3);
1057 PathStroke(col, true, thickness);
1058 }
1059
AddTriangleFilled(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,ImU32 col)1060 void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col)
1061 {
1062 if ((col & IM_COL32_A_MASK) == 0)
1063 return;
1064
1065 PathLineTo(p1);
1066 PathLineTo(p2);
1067 PathLineTo(p3);
1068 PathFillConvex(col);
1069 }
1070
AddCircle(const ImVec2 & center,float radius,ImU32 col,int num_segments,float thickness)1071 void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1072 {
1073 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1074 return;
1075
1076 // Because we are filling a closed shape we remove 1 from the count of segments/points
1077 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1078 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1);
1079 PathStroke(col, true, thickness);
1080 }
1081
AddCircleFilled(const ImVec2 & center,float radius,ImU32 col,int num_segments)1082 void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1083 {
1084 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1085 return;
1086
1087 // Because we are filling a closed shape we remove 1 from the count of segments/points
1088 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1089 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1);
1090 PathFillConvex(col);
1091 }
1092
AddBezierCurve(const ImVec2 & pos0,const ImVec2 & cp0,const ImVec2 & cp1,const ImVec2 & pos1,ImU32 col,float thickness,int num_segments)1093 void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
1094 {
1095 if ((col & IM_COL32_A_MASK) == 0)
1096 return;
1097
1098 PathLineTo(pos0);
1099 PathBezierCurveTo(cp0, cp1, pos1, num_segments);
1100 PathStroke(col, false, thickness);
1101 }
1102
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)1103 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)
1104 {
1105 if ((col & IM_COL32_A_MASK) == 0)
1106 return;
1107
1108 if (text_end == NULL)
1109 text_end = text_begin + strlen(text_begin);
1110 if (text_begin == text_end)
1111 return;
1112
1113 // Pull default font/size from the shared ImDrawListSharedData instance
1114 if (font == NULL)
1115 font = _Data->Font;
1116 if (font_size == 0.0f)
1117 font_size = _Data->FontSize;
1118
1119 IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1120
1121 ImVec4 clip_rect = _ClipRectStack.back();
1122 if (cpu_fine_clip_rect)
1123 {
1124 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
1125 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
1126 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
1127 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
1128 }
1129 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL);
1130 }
1131
AddText(const ImVec2 & pos,ImU32 col,const char * text_begin,const char * text_end)1132 void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1133 {
1134 AddText(NULL, 0.0f, pos, col, text_begin, text_end);
1135 }
1136
AddImage(ImTextureID user_texture_id,const ImVec2 & p_min,const ImVec2 & p_max,const ImVec2 & uv_min,const ImVec2 & uv_max,ImU32 col)1137 void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col)
1138 {
1139 if ((col & IM_COL32_A_MASK) == 0)
1140 return;
1141
1142 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1143 if (push_texture_id)
1144 PushTextureID(user_texture_id);
1145
1146 PrimReserve(6, 4);
1147 PrimRectUV(p_min, p_max, uv_min, uv_max, col);
1148
1149 if (push_texture_id)
1150 PopTextureID();
1151 }
1152
AddImageQuad(ImTextureID user_texture_id,const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,const ImVec2 & uv1,const ImVec2 & uv2,const ImVec2 & uv3,const ImVec2 & uv4,ImU32 col)1153 void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col)
1154 {
1155 if ((col & IM_COL32_A_MASK) == 0)
1156 return;
1157
1158 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1159 if (push_texture_id)
1160 PushTextureID(user_texture_id);
1161
1162 PrimReserve(6, 4);
1163 PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col);
1164
1165 if (push_texture_id)
1166 PopTextureID();
1167 }
1168
AddImageRounded(ImTextureID user_texture_id,const ImVec2 & p_min,const ImVec2 & p_max,const ImVec2 & uv_min,const ImVec2 & uv_max,ImU32 col,float rounding,ImDrawCornerFlags rounding_corners)1169 void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners)
1170 {
1171 if ((col & IM_COL32_A_MASK) == 0)
1172 return;
1173
1174 if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
1175 {
1176 AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col);
1177 return;
1178 }
1179
1180 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1181 if (push_texture_id)
1182 PushTextureID(user_texture_id);
1183
1184 int vert_start_idx = VtxBuffer.Size;
1185 PathRect(p_min, p_max, rounding, rounding_corners);
1186 PathFillConvex(col);
1187 int vert_end_idx = VtxBuffer.Size;
1188 ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true);
1189
1190 if (push_texture_id)
1191 PopTextureID();
1192 }
1193
1194
1195 //-----------------------------------------------------------------------------
1196 // ImDrawListSplitter
1197 //-----------------------------------------------------------------------------
1198 // FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap..
1199 //-----------------------------------------------------------------------------
1200
ClearFreeMemory()1201 void ImDrawListSplitter::ClearFreeMemory()
1202 {
1203 for (int i = 0; i < _Channels.Size; i++)
1204 {
1205 if (i == _Current)
1206 memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again
1207 _Channels[i]._CmdBuffer.clear();
1208 _Channels[i]._IdxBuffer.clear();
1209 }
1210 _Current = 0;
1211 _Count = 1;
1212 _Channels.clear();
1213 }
1214
Split(ImDrawList * draw_list,int channels_count)1215 void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count)
1216 {
1217 IM_ASSERT(_Current == 0 && _Count <= 1);
1218 int old_channels_count = _Channels.Size;
1219 if (old_channels_count < channels_count)
1220 _Channels.resize(channels_count);
1221 _Count = channels_count;
1222
1223 // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer
1224 // 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.
1225 // When we switch to the next channel, we'll copy draw_list->_CmdBuffer/_IdxBuffer into Channels[0] and then Channels[1] into draw_list->CmdBuffer/_IdxBuffer
1226 memset(&_Channels[0], 0, sizeof(ImDrawChannel));
1227 for (int i = 1; i < channels_count; i++)
1228 {
1229 if (i >= old_channels_count)
1230 {
1231 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
1232 }
1233 else
1234 {
1235 _Channels[i]._CmdBuffer.resize(0);
1236 _Channels[i]._IdxBuffer.resize(0);
1237 }
1238 if (_Channels[i]._CmdBuffer.Size == 0)
1239 {
1240 ImDrawCmd draw_cmd;
1241 draw_cmd.ClipRect = draw_list->_ClipRectStack.back();
1242 draw_cmd.TextureId = draw_list->_TextureIdStack.back();
1243 _Channels[i]._CmdBuffer.push_back(draw_cmd);
1244 }
1245 }
1246 }
1247
CanMergeDrawCommands(ImDrawCmd * a,ImDrawCmd * b)1248 static inline bool CanMergeDrawCommands(ImDrawCmd* a, ImDrawCmd* b)
1249 {
1250 return memcmp(&a->ClipRect, &b->ClipRect, sizeof(a->ClipRect)) == 0 && a->TextureId == b->TextureId && a->VtxOffset == b->VtxOffset && !a->UserCallback && !b->UserCallback;
1251 }
1252
Merge(ImDrawList * draw_list)1253 void ImDrawListSplitter::Merge(ImDrawList* draw_list)
1254 {
1255 // 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.
1256 if (_Count <= 1)
1257 return;
1258
1259 SetCurrentChannel(draw_list, 0);
1260 if (draw_list->CmdBuffer.Size != 0 && draw_list->CmdBuffer.back().ElemCount == 0)
1261 draw_list->CmdBuffer.pop_back();
1262
1263 // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command.
1264 int new_cmd_buffer_count = 0;
1265 int new_idx_buffer_count = 0;
1266 ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL;
1267 int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0;
1268 for (int i = 1; i < _Count; i++)
1269 {
1270 ImDrawChannel& ch = _Channels[i];
1271 if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0)
1272 ch._CmdBuffer.pop_back();
1273 if (ch._CmdBuffer.Size > 0 && last_cmd != NULL && CanMergeDrawCommands(last_cmd, &ch._CmdBuffer[0]))
1274 {
1275 // Merge previous channel last draw command with current channel first draw command if matching.
1276 last_cmd->ElemCount += ch._CmdBuffer[0].ElemCount;
1277 idx_offset += ch._CmdBuffer[0].ElemCount;
1278 ch._CmdBuffer.erase(ch._CmdBuffer.Data);
1279 }
1280 if (ch._CmdBuffer.Size > 0)
1281 last_cmd = &ch._CmdBuffer.back();
1282 new_cmd_buffer_count += ch._CmdBuffer.Size;
1283 new_idx_buffer_count += ch._IdxBuffer.Size;
1284 for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++)
1285 {
1286 ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset;
1287 idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount;
1288 }
1289 }
1290 draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count);
1291 draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count);
1292
1293 // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices)
1294 ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count;
1295 ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count;
1296 for (int i = 1; i < _Count; i++)
1297 {
1298 ImDrawChannel& ch = _Channels[i];
1299 if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
1300 if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; }
1301 }
1302 draw_list->_IdxWritePtr = idx_write;
1303 draw_list->UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
1304 draw_list->UpdateTextureID();
1305 _Count = 1;
1306 }
1307
SetCurrentChannel(ImDrawList * draw_list,int idx)1308 void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx)
1309 {
1310 IM_ASSERT(idx >= 0 && idx < _Count);
1311 if (_Current == idx)
1312 return;
1313 // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap()
1314 memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer));
1315 memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer));
1316 _Current = idx;
1317 memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer));
1318 memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer));
1319 draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size;
1320 }
1321
1322 //-----------------------------------------------------------------------------
1323 // [SECTION] ImDrawData
1324 //-----------------------------------------------------------------------------
1325
1326 // 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()1327 void ImDrawData::DeIndexAllBuffers()
1328 {
1329 ImVector<ImDrawVert> new_vtx_buffer;
1330 TotalVtxCount = TotalIdxCount = 0;
1331 for (int i = 0; i < CmdListsCount; i++)
1332 {
1333 ImDrawList* cmd_list = CmdLists[i];
1334 if (cmd_list->IdxBuffer.empty())
1335 continue;
1336 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
1337 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
1338 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
1339 cmd_list->VtxBuffer.swap(new_vtx_buffer);
1340 cmd_list->IdxBuffer.resize(0);
1341 TotalVtxCount += cmd_list->VtxBuffer.Size;
1342 }
1343 }
1344
1345 // Helper to scale the ClipRect field of each ImDrawCmd.
1346 // Use if your final output buffer is at a different scale than draw_data->DisplaySize,
1347 // or if there is a difference between your window resolution and framebuffer resolution.
ScaleClipRects(const ImVec2 & fb_scale)1348 void ImDrawData::ScaleClipRects(const ImVec2& fb_scale)
1349 {
1350 for (int i = 0; i < CmdListsCount; i++)
1351 {
1352 ImDrawList* cmd_list = CmdLists[i];
1353 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
1354 {
1355 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i];
1356 cmd->ClipRect = ImVec4(cmd->ClipRect.x * fb_scale.x, cmd->ClipRect.y * fb_scale.y, cmd->ClipRect.z * fb_scale.x, cmd->ClipRect.w * fb_scale.y);
1357 }
1358 }
1359 }
1360
1361 //-----------------------------------------------------------------------------
1362 // [SECTION] Helpers ShadeVertsXXX functions
1363 //-----------------------------------------------------------------------------
1364
1365 // 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)1366 void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
1367 {
1368 ImVec2 gradient_extent = gradient_p1 - gradient_p0;
1369 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
1370 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1371 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1372 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
1373 {
1374 float d = ImDot(vert->pos - gradient_p0, gradient_extent);
1375 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
1376 int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t);
1377 int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t);
1378 int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t);
1379 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
1380 }
1381 }
1382
1383 // 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)1384 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)
1385 {
1386 const ImVec2 size = b - a;
1387 const ImVec2 uv_size = uv_b - uv_a;
1388 const ImVec2 scale = ImVec2(
1389 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
1390 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
1391
1392 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1393 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1394 if (clamp)
1395 {
1396 const ImVec2 min = ImMin(uv_a, uv_b);
1397 const ImVec2 max = ImMax(uv_a, uv_b);
1398 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1399 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max);
1400 }
1401 else
1402 {
1403 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1404 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale);
1405 }
1406 }
1407
1408 //-----------------------------------------------------------------------------
1409 // [SECTION] ImFontConfig
1410 //-----------------------------------------------------------------------------
1411
ImFontConfig()1412 ImFontConfig::ImFontConfig()
1413 {
1414 FontData = NULL;
1415 FontDataSize = 0;
1416 FontDataOwnedByAtlas = true;
1417 FontNo = 0;
1418 SizePixels = 0.0f;
1419 OversampleH = 3; // FIXME: 2 may be a better default?
1420 OversampleV = 1;
1421 PixelSnapH = false;
1422 GlyphExtraSpacing = ImVec2(0.0f, 0.0f);
1423 GlyphOffset = ImVec2(0.0f, 0.0f);
1424 GlyphRanges = NULL;
1425 GlyphMinAdvanceX = 0.0f;
1426 GlyphMaxAdvanceX = FLT_MAX;
1427 MergeMode = false;
1428 RasterizerFlags = 0x00;
1429 RasterizerMultiply = 1.0f;
1430 EllipsisChar = (ImWchar)-1;
1431 memset(Name, 0, sizeof(Name));
1432 DstFont = NULL;
1433 }
1434
1435 //-----------------------------------------------------------------------------
1436 // [SECTION] ImFontAtlas
1437 //-----------------------------------------------------------------------------
1438
1439 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
1440 // The white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
1441 const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
1442 const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
1443 const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
1444 static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
1445 {
1446 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX "
1447 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X "
1448 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X "
1449 "X - X.X - X.....X - X.....X -X...X - X...X- X..X "
1450 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X "
1451 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX "
1452 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX "
1453 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX "
1454 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X "
1455 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X"
1456 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X"
1457 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X"
1458 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X"
1459 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X"
1460 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X"
1461 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X"
1462 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X "
1463 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X "
1464 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X "
1465 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X "
1466 " X..X - X...X - X...X - X..X X..X - - X........X "
1467 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX "
1468 "------------ - X - X -X.....................X- ------------------"
1469 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
1470 " - X..X X..X - "
1471 " - X.X X.X - "
1472 " - XX XX - "
1473 };
1474
1475 static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
1476 {
1477 // Pos ........ Size ......... Offset ......
1478 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
1479 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
1480 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
1481 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
1482 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
1483 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
1484 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
1485 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
1486 };
1487
ImFontAtlas()1488 ImFontAtlas::ImFontAtlas()
1489 {
1490 Locked = false;
1491 Flags = ImFontAtlasFlags_None;
1492 TexID = (ImTextureID)NULL;
1493 TexDesiredWidth = 0;
1494 TexGlyphPadding = 1;
1495
1496 TexPixelsAlpha8 = NULL;
1497 TexPixelsRGBA32 = NULL;
1498 TexWidth = TexHeight = 0;
1499 TexUvScale = ImVec2(0.0f, 0.0f);
1500 TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1501 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1502 CustomRectIds[n] = -1;
1503 }
1504
~ImFontAtlas()1505 ImFontAtlas::~ImFontAtlas()
1506 {
1507 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1508 Clear();
1509 }
1510
ClearInputData()1511 void ImFontAtlas::ClearInputData()
1512 {
1513 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1514 for (int i = 0; i < ConfigData.Size; i++)
1515 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas)
1516 {
1517 IM_FREE(ConfigData[i].FontData);
1518 ConfigData[i].FontData = NULL;
1519 }
1520
1521 // When clearing this we lose access to the font name and other information used to build the font.
1522 for (int i = 0; i < Fonts.Size; i++)
1523 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size)
1524 {
1525 Fonts[i]->ConfigData = NULL;
1526 Fonts[i]->ConfigDataCount = 0;
1527 }
1528 ConfigData.clear();
1529 CustomRects.clear();
1530 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1531 CustomRectIds[n] = -1;
1532 }
1533
ClearTexData()1534 void ImFontAtlas::ClearTexData()
1535 {
1536 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1537 if (TexPixelsAlpha8)
1538 IM_FREE(TexPixelsAlpha8);
1539 if (TexPixelsRGBA32)
1540 IM_FREE(TexPixelsRGBA32);
1541 TexPixelsAlpha8 = NULL;
1542 TexPixelsRGBA32 = NULL;
1543 }
1544
ClearFonts()1545 void ImFontAtlas::ClearFonts()
1546 {
1547 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1548 for (int i = 0; i < Fonts.Size; i++)
1549 IM_DELETE(Fonts[i]);
1550 Fonts.clear();
1551 }
1552
Clear()1553 void ImFontAtlas::Clear()
1554 {
1555 ClearInputData();
1556 ClearTexData();
1557 ClearFonts();
1558 }
1559
GetTexDataAsAlpha8(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1560 void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1561 {
1562 // Build atlas on demand
1563 if (TexPixelsAlpha8 == NULL)
1564 {
1565 if (ConfigData.empty())
1566 AddFontDefault();
1567 Build();
1568 }
1569
1570 *out_pixels = TexPixelsAlpha8;
1571 if (out_width) *out_width = TexWidth;
1572 if (out_height) *out_height = TexHeight;
1573 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
1574 }
1575
GetTexDataAsRGBA32(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1576 void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1577 {
1578 // Convert to RGBA32 format on demand
1579 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
1580 if (!TexPixelsRGBA32)
1581 {
1582 unsigned char* pixels = NULL;
1583 GetTexDataAsAlpha8(&pixels, NULL, NULL);
1584 if (pixels)
1585 {
1586 TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4);
1587 const unsigned char* src = pixels;
1588 unsigned int* dst = TexPixelsRGBA32;
1589 for (int n = TexWidth * TexHeight; n > 0; n--)
1590 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
1591 }
1592 }
1593
1594 *out_pixels = (unsigned char*)TexPixelsRGBA32;
1595 if (out_width) *out_width = TexWidth;
1596 if (out_height) *out_height = TexHeight;
1597 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
1598 }
1599
AddFont(const ImFontConfig * font_cfg)1600 ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
1601 {
1602 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1603 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
1604 IM_ASSERT(font_cfg->SizePixels > 0.0f);
1605
1606 // Create new font
1607 if (!font_cfg->MergeMode)
1608 Fonts.push_back(IM_NEW(ImFont));
1609 else
1610 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.
1611
1612 ConfigData.push_back(*font_cfg);
1613 ImFontConfig& new_font_cfg = ConfigData.back();
1614 if (new_font_cfg.DstFont == NULL)
1615 new_font_cfg.DstFont = Fonts.back();
1616 if (!new_font_cfg.FontDataOwnedByAtlas)
1617 {
1618 new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize);
1619 new_font_cfg.FontDataOwnedByAtlas = true;
1620 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
1621 }
1622
1623 if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1)
1624 new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar;
1625
1626 // Invalidate texture
1627 ClearTexData();
1628 return new_font_cfg.DstFont;
1629 }
1630
1631 // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
1632 static unsigned int stb_decompress_length(const unsigned char *input);
1633 static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length);
1634 static const char* GetDefaultCompressedFontDataTTFBase85();
Decode85Byte(char c)1635 static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
Decode85(const unsigned char * src,unsigned char * dst)1636 static void Decode85(const unsigned char* src, unsigned char* dst)
1637 {
1638 while (*src)
1639 {
1640 unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4]))));
1641 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.
1642 src += 5;
1643 dst += 4;
1644 }
1645 }
1646
1647 // Load embedded ProggyClean.ttf at size 13, disable oversampling
AddFontDefault(const ImFontConfig * font_cfg_template)1648 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
1649 {
1650 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1651 if (!font_cfg_template)
1652 {
1653 font_cfg.OversampleH = font_cfg.OversampleV = 1;
1654 font_cfg.PixelSnapH = true;
1655 }
1656 if (font_cfg.SizePixels <= 0.0f)
1657 font_cfg.SizePixels = 13.0f * 1.0f;
1658 if (font_cfg.Name[0] == '\0')
1659 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
1660 font_cfg.EllipsisChar = (ImWchar)0x0085;
1661
1662 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
1663 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
1664 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
1665 font->DisplayOffset.y = 1.0f;
1666 return font;
1667 }
1668
AddFontFromFileTTF(const char * filename,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1669 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1670 {
1671 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1672 size_t data_size = 0;
1673 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
1674 if (!data)
1675 {
1676 IM_ASSERT(0); // Could not load file.
1677 return NULL;
1678 }
1679 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1680 if (font_cfg.Name[0] == '\0')
1681 {
1682 // Store a short copy of filename into into the font name for convenience
1683 const char* p;
1684 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
1685 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels);
1686 }
1687 return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges);
1688 }
1689
1690 // 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)1691 ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1692 {
1693 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1694 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1695 IM_ASSERT(font_cfg.FontData == NULL);
1696 font_cfg.FontData = ttf_data;
1697 font_cfg.FontDataSize = ttf_size;
1698 font_cfg.SizePixels = size_pixels;
1699 if (glyph_ranges)
1700 font_cfg.GlyphRanges = glyph_ranges;
1701 return AddFont(&font_cfg);
1702 }
1703
AddFontFromMemoryCompressedTTF(const void * compressed_ttf_data,int compressed_ttf_size,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1704 ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1705 {
1706 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data);
1707 unsigned char* buf_decompressed_data = (unsigned char *)IM_ALLOC(buf_decompressed_size);
1708 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
1709
1710 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1711 IM_ASSERT(font_cfg.FontData == NULL);
1712 font_cfg.FontDataOwnedByAtlas = true;
1713 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
1714 }
1715
AddFontFromMemoryCompressedBase85TTF(const char * compressed_ttf_data_base85,float size_pixels,const ImFontConfig * font_cfg,const ImWchar * glyph_ranges)1716 ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
1717 {
1718 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
1719 void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size);
1720 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
1721 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
1722 IM_FREE(compressed_ttf);
1723 return font;
1724 }
1725
AddCustomRectRegular(unsigned int id,int width,int height)1726 int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
1727 {
1728 IM_ASSERT(id >= 0x10000);
1729 IM_ASSERT(width > 0 && width <= 0xFFFF);
1730 IM_ASSERT(height > 0 && height <= 0xFFFF);
1731 ImFontAtlasCustomRect r;
1732 r.ID = id;
1733 r.Width = (unsigned short)width;
1734 r.Height = (unsigned short)height;
1735 CustomRects.push_back(r);
1736 return CustomRects.Size - 1; // Return index
1737 }
1738
AddCustomRectFontGlyph(ImFont * font,ImWchar id,int width,int height,float advance_x,const ImVec2 & offset)1739 int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
1740 {
1741 IM_ASSERT(font != NULL);
1742 IM_ASSERT(width > 0 && width <= 0xFFFF);
1743 IM_ASSERT(height > 0 && height <= 0xFFFF);
1744 ImFontAtlasCustomRect r;
1745 r.ID = id;
1746 r.Width = (unsigned short)width;
1747 r.Height = (unsigned short)height;
1748 r.GlyphAdvanceX = advance_x;
1749 r.GlyphOffset = offset;
1750 r.Font = font;
1751 CustomRects.push_back(r);
1752 return CustomRects.Size - 1; // Return index
1753 }
1754
CalcCustomRectUV(const ImFontAtlasCustomRect * rect,ImVec2 * out_uv_min,ImVec2 * out_uv_max) const1755 void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const
1756 {
1757 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
1758 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
1759 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
1760 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
1761 }
1762
GetMouseCursorTexData(ImGuiMouseCursor cursor_type,ImVec2 * out_offset,ImVec2 * out_size,ImVec2 out_uv_border[2],ImVec2 out_uv_fill[2])1763 bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
1764 {
1765 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
1766 return false;
1767 if (Flags & ImFontAtlasFlags_NoMouseCursors)
1768 return false;
1769
1770 IM_ASSERT(CustomRectIds[0] != -1);
1771 ImFontAtlasCustomRect& r = CustomRects[CustomRectIds[0]];
1772 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
1773 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y);
1774 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
1775 *out_size = size;
1776 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
1777 out_uv_border[0] = (pos) * TexUvScale;
1778 out_uv_border[1] = (pos + size) * TexUvScale;
1779 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
1780 out_uv_fill[0] = (pos) * TexUvScale;
1781 out_uv_fill[1] = (pos + size) * TexUvScale;
1782 return true;
1783 }
1784
Build()1785 bool ImFontAtlas::Build()
1786 {
1787 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1788 return ImFontAtlasBuildWithStbTruetype(this);
1789 }
1790
ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256],float in_brighten_factor)1791 void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
1792 {
1793 for (unsigned int i = 0; i < 256; i++)
1794 {
1795 unsigned int value = (unsigned int)(i * in_brighten_factor);
1796 out_table[i] = value > 255 ? 255 : (value & 0xFF);
1797 }
1798 }
1799
ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256],unsigned char * pixels,int x,int y,int w,int h,int stride)1800 void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
1801 {
1802 unsigned char* data = pixels + x + y * stride;
1803 for (int j = h; j > 0; j--, data += stride)
1804 for (int i = 0; i < w; i++)
1805 data[i] = table[data[i]];
1806 }
1807
1808 // Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
1809 // (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
1810 struct ImFontBuildSrcData
1811 {
1812 stbtt_fontinfo FontInfo;
1813 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
1814 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
1815 stbtt_packedchar* PackedChars; // Output glyphs
1816 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
1817 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
1818 int GlyphsHighest; // Highest requested codepoint
1819 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
1820 ImBoolVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
1821 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap)
1822 };
1823
1824 // Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
1825 struct ImFontBuildDstData
1826 {
1827 int SrcCount; // Number of source fonts targeting this destination font.
1828 int GlyphsHighest;
1829 int GlyphsCount;
1830 ImBoolVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
1831 };
1832
UnpackBoolVectorToFlatIndexList(const ImBoolVector * in,ImVector<int> * out)1833 static void UnpackBoolVectorToFlatIndexList(const ImBoolVector* in, ImVector<int>* out)
1834 {
1835 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
1836 const int* it_begin = in->Storage.begin();
1837 const int* it_end = in->Storage.end();
1838 for (const int* it = it_begin; it < it_end; it++)
1839 if (int entries_32 = *it)
1840 for (int bit_n = 0; bit_n < 32; bit_n++)
1841 if (entries_32 & (1u << bit_n))
1842 out->push_back((int)((it - it_begin) << 5) + bit_n);
1843 }
1844
ImFontAtlasBuildWithStbTruetype(ImFontAtlas * atlas)1845 bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
1846 {
1847 IM_ASSERT(atlas->ConfigData.Size > 0);
1848
1849 ImFontAtlasBuildRegisterDefaultCustomRects(atlas);
1850
1851 // Clear atlas
1852 atlas->TexID = (ImTextureID)NULL;
1853 atlas->TexWidth = atlas->TexHeight = 0;
1854 atlas->TexUvScale = ImVec2(0.0f, 0.0f);
1855 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1856 atlas->ClearTexData();
1857
1858 // Temporary storage for building
1859 ImVector<ImFontBuildSrcData> src_tmp_array;
1860 ImVector<ImFontBuildDstData> dst_tmp_array;
1861 src_tmp_array.resize(atlas->ConfigData.Size);
1862 dst_tmp_array.resize(atlas->Fonts.Size);
1863 memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes());
1864 memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes());
1865
1866 // 1. Initialize font loading structure, check font data validity
1867 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
1868 {
1869 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1870 ImFontConfig& cfg = atlas->ConfigData[src_i];
1871 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
1872
1873 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
1874 src_tmp.DstIndex = -1;
1875 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
1876 if (cfg.DstFont == atlas->Fonts[output_i])
1877 src_tmp.DstIndex = output_i;
1878 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
1879 if (src_tmp.DstIndex == -1)
1880 return false;
1881
1882 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct
1883 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
1884 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
1885 if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
1886 return false;
1887
1888 // Measure highest codepoints
1889 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
1890 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
1891 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
1892 src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
1893 dst_tmp.SrcCount++;
1894 dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest);
1895 }
1896
1897 // 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.
1898 int total_glyphs_count = 0;
1899 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1900 {
1901 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1902 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
1903 src_tmp.GlyphsSet.Resize(src_tmp.GlyphsHighest + 1);
1904 if (dst_tmp.GlyphsSet.Storage.empty())
1905 dst_tmp.GlyphsSet.Resize(dst_tmp.GlyphsHighest + 1);
1906
1907 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
1908 for (int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
1909 {
1910 if (dst_tmp.GlyphsSet.GetBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true)
1911 continue;
1912 if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font?
1913 continue;
1914
1915 // Add to avail set/counters
1916 src_tmp.GlyphsCount++;
1917 dst_tmp.GlyphsCount++;
1918 src_tmp.GlyphsSet.SetBit(codepoint, true);
1919 dst_tmp.GlyphsSet.SetBit(codepoint, true);
1920 total_glyphs_count++;
1921 }
1922 }
1923
1924 // 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)
1925 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1926 {
1927 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1928 src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount);
1929 UnpackBoolVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList);
1930 src_tmp.GlyphsSet.Clear();
1931 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
1932 }
1933 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
1934 dst_tmp_array[dst_i].GlyphsSet.Clear();
1935 dst_tmp_array.clear();
1936
1937 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
1938 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
1939 ImVector<stbrp_rect> buf_rects;
1940 ImVector<stbtt_packedchar> buf_packedchars;
1941 buf_rects.resize(total_glyphs_count);
1942 buf_packedchars.resize(total_glyphs_count);
1943 memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes());
1944 memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes());
1945
1946 // 4. Gather glyphs sizes so we can pack them in our virtual canvas.
1947 int total_surface = 0;
1948 int buf_rects_out_n = 0;
1949 int buf_packedchars_out_n = 0;
1950 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1951 {
1952 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1953 if (src_tmp.GlyphsCount == 0)
1954 continue;
1955
1956 src_tmp.Rects = &buf_rects[buf_rects_out_n];
1957 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
1958 buf_rects_out_n += src_tmp.GlyphsCount;
1959 buf_packedchars_out_n += src_tmp.GlyphsCount;
1960
1961 // Convert our ranges in the format stb_truetype wants
1962 ImFontConfig& cfg = atlas->ConfigData[src_i];
1963 src_tmp.PackRange.font_size = cfg.SizePixels;
1964 src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
1965 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
1966 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
1967 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
1968 src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH;
1969 src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV;
1970
1971 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
1972 const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels);
1973 const int padding = atlas->TexGlyphPadding;
1974 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
1975 {
1976 int x0, y0, x1, y1;
1977 const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]);
1978 IM_ASSERT(glyph_index_in_font != 0);
1979 stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1);
1980 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1);
1981 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1);
1982 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
1983 }
1984 }
1985
1986 // We need a width for the skyline algorithm, any width!
1987 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
1988 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
1989 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
1990 atlas->TexHeight = 0;
1991 if (atlas->TexDesiredWidth > 0)
1992 atlas->TexWidth = atlas->TexDesiredWidth;
1993 else
1994 atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512;
1995
1996 // 5. Start packing
1997 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
1998 const int TEX_HEIGHT_MAX = 1024 * 32;
1999 stbtt_pack_context spc = {};
2000 stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL);
2001 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
2002
2003 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
2004 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2005 {
2006 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2007 if (src_tmp.GlyphsCount == 0)
2008 continue;
2009
2010 stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount);
2011
2012 // Extend texture height and mark missing glyphs as non-packed so we won't render them.
2013 // 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?)
2014 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
2015 if (src_tmp.Rects[glyph_i].was_packed)
2016 atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
2017 }
2018
2019 // 7. Allocate texture
2020 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
2021 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
2022 atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight);
2023 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
2024 spc.pixels = atlas->TexPixelsAlpha8;
2025 spc.height = atlas->TexHeight;
2026
2027 // 8. Render/rasterize font characters into the texture
2028 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2029 {
2030 ImFontConfig& cfg = atlas->ConfigData[src_i];
2031 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2032 if (src_tmp.GlyphsCount == 0)
2033 continue;
2034
2035 stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects);
2036
2037 // Apply multiply operator
2038 if (cfg.RasterizerMultiply != 1.0f)
2039 {
2040 unsigned char multiply_table[256];
2041 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
2042 stbrp_rect* r = &src_tmp.Rects[0];
2043 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
2044 if (r->was_packed)
2045 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1);
2046 }
2047 src_tmp.Rects = NULL;
2048 }
2049
2050 // End packing
2051 stbtt_PackEnd(&spc);
2052 buf_rects.clear();
2053
2054 // 9. Setup ImFont and glyphs for runtime
2055 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2056 {
2057 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2058 if (src_tmp.GlyphsCount == 0)
2059 continue;
2060
2061 ImFontConfig& cfg = atlas->ConfigData[src_i];
2062 ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
2063
2064 const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels);
2065 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
2066 stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
2067
2068 const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1));
2069 const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
2070 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
2071 const float font_off_x = cfg.GlyphOffset.x;
2072 const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
2073
2074 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
2075 {
2076 const int codepoint = src_tmp.GlyphsList[glyph_i];
2077 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
2078
2079 const float char_advance_x_org = pc.xadvance;
2080 const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX);
2081 float char_off_x = font_off_x;
2082 if (char_advance_x_org != char_advance_x_mod)
2083 char_off_x += cfg.PixelSnapH ? ImFloor((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
2084
2085 // Register glyph
2086 stbtt_aligned_quad q;
2087 float dummy_x = 0.0f, dummy_y = 0.0f;
2088 stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0);
2089 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);
2090 }
2091 }
2092
2093 // Cleanup temporary (ImVector doesn't honor destructor)
2094 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2095 src_tmp_array[src_i].~ImFontBuildSrcData();
2096
2097 ImFontAtlasBuildFinish(atlas);
2098 return true;
2099 }
2100
ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas * atlas)2101 void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas)
2102 {
2103 if (atlas->CustomRectIds[0] >= 0)
2104 return;
2105 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2106 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);
2107 else
2108 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2);
2109 }
2110
ImFontAtlasBuildSetupFont(ImFontAtlas * atlas,ImFont * font,ImFontConfig * font_config,float ascent,float descent)2111 void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
2112 {
2113 if (!font_config->MergeMode)
2114 {
2115 font->ClearOutputData();
2116 font->FontSize = font_config->SizePixels;
2117 font->ConfigData = font_config;
2118 font->ContainerAtlas = atlas;
2119 font->Ascent = ascent;
2120 font->Descent = descent;
2121 }
2122 font->ConfigDataCount++;
2123 }
2124
ImFontAtlasBuildPackCustomRects(ImFontAtlas * atlas,void * stbrp_context_opaque)2125 void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
2126 {
2127 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
2128 IM_ASSERT(pack_context != NULL);
2129
2130 ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects;
2131 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
2132
2133 ImVector<stbrp_rect> pack_rects;
2134 pack_rects.resize(user_rects.Size);
2135 memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes());
2136 for (int i = 0; i < user_rects.Size; i++)
2137 {
2138 pack_rects[i].w = user_rects[i].Width;
2139 pack_rects[i].h = user_rects[i].Height;
2140 }
2141 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
2142 for (int i = 0; i < pack_rects.Size; i++)
2143 if (pack_rects[i].was_packed)
2144 {
2145 user_rects[i].X = pack_rects[i].x;
2146 user_rects[i].Y = pack_rects[i].y;
2147 IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
2148 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
2149 }
2150 }
2151
ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas * atlas)2152 static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
2153 {
2154 IM_ASSERT(atlas->CustomRectIds[0] >= 0);
2155 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL);
2156 ImFontAtlasCustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]];
2157 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
2158 IM_ASSERT(r.IsPacked());
2159
2160 const int w = atlas->TexWidth;
2161 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2162 {
2163 // Render/copy pixels
2164 IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
2165 for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++)
2166 for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++)
2167 {
2168 const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w;
2169 const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
2170 atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00;
2171 atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00;
2172 }
2173 }
2174 else
2175 {
2176 IM_ASSERT(r.Width == 2 && r.Height == 2);
2177 const int offset = (int)(r.X) + (int)(r.Y) * w;
2178 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
2179 }
2180 atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y);
2181 }
2182
ImFontAtlasBuildFinish(ImFontAtlas * atlas)2183 void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
2184 {
2185 // Render into our custom data block
2186 ImFontAtlasBuildRenderDefaultTexData(atlas);
2187
2188 // Register custom rectangle glyphs
2189 for (int i = 0; i < atlas->CustomRects.Size; i++)
2190 {
2191 const ImFontAtlasCustomRect& r = atlas->CustomRects[i];
2192 if (r.Font == NULL || r.ID > 0x10000)
2193 continue;
2194
2195 IM_ASSERT(r.Font->ContainerAtlas == atlas);
2196 ImVec2 uv0, uv1;
2197 atlas->CalcCustomRectUV(&r, &uv0, &uv1);
2198 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);
2199 }
2200
2201 // Build all fonts lookup tables
2202 for (int i = 0; i < atlas->Fonts.Size; i++)
2203 if (atlas->Fonts[i]->DirtyLookupTables)
2204 atlas->Fonts[i]->BuildLookupTable();
2205
2206 // Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis).
2207 // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character.
2208 // FIXME: Also note that 0x2026 is currently seldomly included in our font ranges. Because of this we are more likely to use three individual dots.
2209 for (int i = 0; i < atlas->Fonts.size(); i++)
2210 {
2211 ImFont* font = atlas->Fonts[i];
2212 if (font->EllipsisChar != (ImWchar)-1)
2213 continue;
2214 const ImWchar ellipsis_variants[] = { (ImWchar)0x2026, (ImWchar)0x0085 };
2215 for (int j = 0; j < IM_ARRAYSIZE(ellipsis_variants); j++)
2216 if (font->FindGlyphNoFallback(ellipsis_variants[j]) != NULL) // Verify glyph exists
2217 {
2218 font->EllipsisChar = ellipsis_variants[j];
2219 break;
2220 }
2221 }
2222 }
2223
2224 // Retrieve list of range (2 int per range, values are inclusive)
GetGlyphRangesDefault()2225 const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
2226 {
2227 static const ImWchar ranges[] =
2228 {
2229 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2230 0,
2231 };
2232 return &ranges[0];
2233 }
2234
GetGlyphRangesKorean()2235 const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
2236 {
2237 static const ImWchar ranges[] =
2238 {
2239 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2240 0x3131, 0x3163, // Korean alphabets
2241 0xAC00, 0xD79D, // Korean characters
2242 0,
2243 };
2244 return &ranges[0];
2245 }
2246
GetGlyphRangesChineseFull()2247 const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
2248 {
2249 static const ImWchar ranges[] =
2250 {
2251 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2252 0x2000, 0x206F, // General Punctuation
2253 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2254 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2255 0xFF00, 0xFFEF, // Half-width characters
2256 0x4e00, 0x9FAF, // CJK Ideograms
2257 0,
2258 };
2259 return &ranges[0];
2260 }
2261
UnpackAccumulativeOffsetsIntoRanges(int base_codepoint,const short * accumulative_offsets,int accumulative_offsets_count,ImWchar * out_ranges)2262 static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
2263 {
2264 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
2265 {
2266 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
2267 base_codepoint += accumulative_offsets[n];
2268 }
2269 out_ranges[0] = 0;
2270 }
2271
2272 //-------------------------------------------------------------------------
2273 // [SECTION] ImFontAtlas glyph ranges helpers
2274 //-------------------------------------------------------------------------
2275
GetGlyphRangesChineseSimplifiedCommon()2276 const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
2277 {
2278 // Store 2500 regularly used characters for Simplified Chinese.
2279 // 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
2280 // This table covers 97.97% of all characters used during the month in July, 1987.
2281 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2282 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2283 static const short accumulative_offsets_from_0x4E00[] =
2284 {
2285 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,
2286 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,
2287 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,
2288 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,
2289 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,
2290 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,
2291 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,
2292 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,
2293 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,
2294 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,
2295 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,
2296 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,
2297 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,
2298 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,
2299 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,
2300 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,
2301 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,
2302 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,
2303 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,
2304 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,
2305 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,
2306 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,
2307 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,
2308 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,
2309 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,
2310 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,
2311 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,
2312 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,
2313 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,
2314 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,
2315 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,
2316 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,
2317 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,
2318 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,
2319 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,
2320 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,
2321 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,
2322 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,
2323 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,
2324 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
2325 };
2326 static ImWchar base_ranges[] = // not zero-terminated
2327 {
2328 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2329 0x2000, 0x206F, // General Punctuation
2330 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2331 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2332 0xFF00, 0xFFEF // Half-width characters
2333 };
2334 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
2335 if (!full_ranges[0])
2336 {
2337 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2338 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2339 }
2340 return &full_ranges[0];
2341 }
2342
GetGlyphRangesJapanese()2343 const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
2344 {
2345 // 1946 common ideograms code points for Japanese
2346 // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering
2347 // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this.
2348 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2349 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2350 static const short accumulative_offsets_from_0x4E00[] =
2351 {
2352 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,
2353 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,
2354 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,
2355 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,
2356 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,
2357 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,
2358 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,
2359 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,
2360 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,
2361 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,
2362 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,
2363 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,
2364 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,
2365 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,
2366 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,
2367 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,
2368 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,
2369 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,
2370 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,
2371 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,
2372 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,
2373 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,
2374 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,
2375 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,
2376 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,
2377 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,
2378 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,
2379 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,
2380 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,
2381 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,
2382 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,
2383 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,
2384 };
2385 static ImWchar base_ranges[] = // not zero-terminated
2386 {
2387 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2388 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2389 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2390 0xFF00, 0xFFEF // Half-width characters
2391 };
2392 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
2393 if (!full_ranges[0])
2394 {
2395 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2396 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2397 }
2398 return &full_ranges[0];
2399 }
2400
GetGlyphRangesCyrillic()2401 const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
2402 {
2403 static const ImWchar ranges[] =
2404 {
2405 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2406 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
2407 0x2DE0, 0x2DFF, // Cyrillic Extended-A
2408 0xA640, 0xA69F, // Cyrillic Extended-B
2409 0,
2410 };
2411 return &ranges[0];
2412 }
2413
GetGlyphRangesThai()2414 const ImWchar* ImFontAtlas::GetGlyphRangesThai()
2415 {
2416 static const ImWchar ranges[] =
2417 {
2418 0x0020, 0x00FF, // Basic Latin
2419 0x2010, 0x205E, // Punctuations
2420 0x0E00, 0x0E7F, // Thai
2421 0,
2422 };
2423 return &ranges[0];
2424 }
2425
GetGlyphRangesVietnamese()2426 const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese()
2427 {
2428 static const ImWchar ranges[] =
2429 {
2430 0x0020, 0x00FF, // Basic Latin
2431 0x0102, 0x0103,
2432 0x0110, 0x0111,
2433 0x0128, 0x0129,
2434 0x0168, 0x0169,
2435 0x01A0, 0x01A1,
2436 0x01AF, 0x01B0,
2437 0x1EA0, 0x1EF9,
2438 0,
2439 };
2440 return &ranges[0];
2441 }
2442
2443 //-----------------------------------------------------------------------------
2444 // [SECTION] ImFontGlyphRangesBuilder
2445 //-----------------------------------------------------------------------------
2446
AddText(const char * text,const char * text_end)2447 void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
2448 {
2449 while (text_end ? (text < text_end) : *text)
2450 {
2451 unsigned int c = 0;
2452 int c_len = ImTextCharFromUtf8(&c, text, text_end);
2453 text += c_len;
2454 if (c_len == 0)
2455 break;
2456 if (c < 0x10000)
2457 AddChar((ImWchar)c);
2458 }
2459 }
2460
AddRanges(const ImWchar * ranges)2461 void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
2462 {
2463 for (; ranges[0]; ranges += 2)
2464 for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
2465 AddChar(c);
2466 }
2467
BuildRanges(ImVector<ImWchar> * out_ranges)2468 void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
2469 {
2470 int max_codepoint = 0x10000;
2471 for (int n = 0; n < max_codepoint; n++)
2472 if (GetBit(n))
2473 {
2474 out_ranges->push_back((ImWchar)n);
2475 while (n < max_codepoint - 1 && GetBit(n + 1))
2476 n++;
2477 out_ranges->push_back((ImWchar)n);
2478 }
2479 out_ranges->push_back(0);
2480 }
2481
2482 //-----------------------------------------------------------------------------
2483 // [SECTION] ImFont
2484 //-----------------------------------------------------------------------------
2485
ImFont()2486 ImFont::ImFont()
2487 {
2488 FontSize = 0.0f;
2489 FallbackAdvanceX = 0.0f;
2490 FallbackChar = (ImWchar)'?';
2491 EllipsisChar = (ImWchar)-1;
2492 DisplayOffset = ImVec2(0.0f, 0.0f);
2493 FallbackGlyph = NULL;
2494 ContainerAtlas = NULL;
2495 ConfigData = NULL;
2496 ConfigDataCount = 0;
2497 DirtyLookupTables = false;
2498 Scale = 1.0f;
2499 Ascent = Descent = 0.0f;
2500 MetricsTotalSurface = 0;
2501 }
2502
~ImFont()2503 ImFont::~ImFont()
2504 {
2505 ClearOutputData();
2506 }
2507
ClearOutputData()2508 void ImFont::ClearOutputData()
2509 {
2510 FontSize = 0.0f;
2511 FallbackAdvanceX = 0.0f;
2512 Glyphs.clear();
2513 IndexAdvanceX.clear();
2514 IndexLookup.clear();
2515 FallbackGlyph = NULL;
2516 ContainerAtlas = NULL;
2517 DirtyLookupTables = true;
2518 Ascent = Descent = 0.0f;
2519 MetricsTotalSurface = 0;
2520 }
2521
BuildLookupTable()2522 void ImFont::BuildLookupTable()
2523 {
2524 int max_codepoint = 0;
2525 for (int i = 0; i != Glyphs.Size; i++)
2526 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
2527
2528 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
2529 IndexAdvanceX.clear();
2530 IndexLookup.clear();
2531 DirtyLookupTables = false;
2532 GrowIndex(max_codepoint + 1);
2533 for (int i = 0; i < Glyphs.Size; i++)
2534 {
2535 int codepoint = (int)Glyphs[i].Codepoint;
2536 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
2537 IndexLookup[codepoint] = (ImWchar)i;
2538 }
2539
2540 // Create a glyph to handle TAB
2541 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
2542 if (FindGlyph((ImWchar)' '))
2543 {
2544 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
2545 Glyphs.resize(Glyphs.Size + 1);
2546 ImFontGlyph& tab_glyph = Glyphs.back();
2547 tab_glyph = *FindGlyph((ImWchar)' ');
2548 tab_glyph.Codepoint = '\t';
2549 tab_glyph.AdvanceX *= IM_TABSIZE;
2550 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
2551 IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1);
2552 }
2553
2554 FallbackGlyph = FindGlyphNoFallback(FallbackChar);
2555 FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f;
2556 for (int i = 0; i < max_codepoint + 1; i++)
2557 if (IndexAdvanceX[i] < 0.0f)
2558 IndexAdvanceX[i] = FallbackAdvanceX;
2559 }
2560
SetFallbackChar(ImWchar c)2561 void ImFont::SetFallbackChar(ImWchar c)
2562 {
2563 FallbackChar = c;
2564 BuildLookupTable();
2565 }
2566
GrowIndex(int new_size)2567 void ImFont::GrowIndex(int new_size)
2568 {
2569 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
2570 if (new_size <= IndexLookup.Size)
2571 return;
2572 IndexAdvanceX.resize(new_size, -1.0f);
2573 IndexLookup.resize(new_size, (ImWchar)-1);
2574 }
2575
2576 // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
2577 // 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)2578 void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
2579 {
2580 Glyphs.resize(Glyphs.Size + 1);
2581 ImFontGlyph& glyph = Glyphs.back();
2582 glyph.Codepoint = (ImWchar)codepoint;
2583 glyph.X0 = x0;
2584 glyph.Y0 = y0;
2585 glyph.X1 = x1;
2586 glyph.Y1 = y1;
2587 glyph.U0 = u0;
2588 glyph.V0 = v0;
2589 glyph.U1 = u1;
2590 glyph.V1 = v1;
2591 glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
2592
2593 if (ConfigData->PixelSnapH)
2594 glyph.AdvanceX = IM_ROUND(glyph.AdvanceX);
2595
2596 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
2597 DirtyLookupTables = true;
2598 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f);
2599 }
2600
AddRemapChar(ImWchar dst,ImWchar src,bool overwrite_dst)2601 void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
2602 {
2603 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
2604 int index_size = IndexLookup.Size;
2605
2606 if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
2607 return;
2608 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
2609 return;
2610
2611 GrowIndex(dst + 1);
2612 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1;
2613 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
2614 }
2615
FindGlyph(ImWchar c) const2616 const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
2617 {
2618 if (c >= IndexLookup.Size)
2619 return FallbackGlyph;
2620 const ImWchar i = IndexLookup.Data[c];
2621 if (i == (ImWchar)-1)
2622 return FallbackGlyph;
2623 return &Glyphs.Data[i];
2624 }
2625
FindGlyphNoFallback(ImWchar c) const2626 const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
2627 {
2628 if (c >= IndexLookup.Size)
2629 return NULL;
2630 const ImWchar i = IndexLookup.Data[c];
2631 if (i == (ImWchar)-1)
2632 return NULL;
2633 return &Glyphs.Data[i];
2634 }
2635
CalcWordWrapPositionA(float scale,const char * text,const char * text_end,float wrap_width) const2636 const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
2637 {
2638 // Simple word-wrapping for English, not full-featured. Please submit failing cases!
2639 // 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.)
2640
2641 // For references, possible wrap point marked with ^
2642 // "aaa bbb, ccc,ddd. eee fff. ggg!"
2643 // ^ ^ ^ ^ ^__ ^ ^
2644
2645 // List of hardcoded separators: .,;!?'"
2646
2647 // Skip extra blanks after a line returns (that includes not counting them in width computation)
2648 // e.g. "Hello world" --> "Hello" "World"
2649
2650 // Cut words that cannot possibly fit within one line.
2651 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
2652
2653 float line_width = 0.0f;
2654 float word_width = 0.0f;
2655 float blank_width = 0.0f;
2656 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
2657
2658 const char* word_end = text;
2659 const char* prev_word_end = NULL;
2660 bool inside_word = true;
2661
2662 const char* s = text;
2663 while (s < text_end)
2664 {
2665 unsigned int c = (unsigned int)*s;
2666 const char* next_s;
2667 if (c < 0x80)
2668 next_s = s + 1;
2669 else
2670 next_s = s + ImTextCharFromUtf8(&c, s, text_end);
2671 if (c == 0)
2672 break;
2673
2674 if (c < 32)
2675 {
2676 if (c == '\n')
2677 {
2678 line_width = word_width = blank_width = 0.0f;
2679 inside_word = true;
2680 s = next_s;
2681 continue;
2682 }
2683 if (c == '\r')
2684 {
2685 s = next_s;
2686 continue;
2687 }
2688 }
2689
2690 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
2691 if (ImCharIsBlankW(c))
2692 {
2693 if (inside_word)
2694 {
2695 line_width += blank_width;
2696 blank_width = 0.0f;
2697 word_end = s;
2698 }
2699 blank_width += char_width;
2700 inside_word = false;
2701 }
2702 else
2703 {
2704 word_width += char_width;
2705 if (inside_word)
2706 {
2707 word_end = next_s;
2708 }
2709 else
2710 {
2711 prev_word_end = word_end;
2712 line_width += word_width + blank_width;
2713 word_width = blank_width = 0.0f;
2714 }
2715
2716 // Allow wrapping after punctuation.
2717 inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"');
2718 }
2719
2720 // We ignore blank width at the end of the line (they can be skipped)
2721 if (line_width + word_width > wrap_width)
2722 {
2723 // Words that cannot possibly fit within an entire line will be cut anywhere.
2724 if (word_width < wrap_width)
2725 s = prev_word_end ? prev_word_end : word_end;
2726 break;
2727 }
2728
2729 s = next_s;
2730 }
2731
2732 return s;
2733 }
2734
CalcTextSizeA(float size,float max_width,float wrap_width,const char * text_begin,const char * text_end,const char ** remaining) const2735 ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
2736 {
2737 if (!text_end)
2738 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
2739
2740 const float line_height = size;
2741 const float scale = size / FontSize;
2742
2743 ImVec2 text_size = ImVec2(0,0);
2744 float line_width = 0.0f;
2745
2746 const bool word_wrap_enabled = (wrap_width > 0.0f);
2747 const char* word_wrap_eol = NULL;
2748
2749 const char* s = text_begin;
2750 while (s < text_end)
2751 {
2752 if (word_wrap_enabled)
2753 {
2754 // 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.
2755 if (!word_wrap_eol)
2756 {
2757 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
2758 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2759 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
2760 }
2761
2762 if (s >= word_wrap_eol)
2763 {
2764 if (text_size.x < line_width)
2765 text_size.x = line_width;
2766 text_size.y += line_height;
2767 line_width = 0.0f;
2768 word_wrap_eol = NULL;
2769
2770 // Wrapping skips upcoming blanks
2771 while (s < text_end)
2772 {
2773 const char c = *s;
2774 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2775 }
2776 continue;
2777 }
2778 }
2779
2780 // Decode and advance source
2781 const char* prev_s = s;
2782 unsigned int c = (unsigned int)*s;
2783 if (c < 0x80)
2784 {
2785 s += 1;
2786 }
2787 else
2788 {
2789 s += ImTextCharFromUtf8(&c, s, text_end);
2790 if (c == 0) // Malformed UTF-8?
2791 break;
2792 }
2793
2794 if (c < 32)
2795 {
2796 if (c == '\n')
2797 {
2798 text_size.x = ImMax(text_size.x, line_width);
2799 text_size.y += line_height;
2800 line_width = 0.0f;
2801 continue;
2802 }
2803 if (c == '\r')
2804 continue;
2805 }
2806
2807 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
2808 if (line_width + char_width >= max_width)
2809 {
2810 s = prev_s;
2811 break;
2812 }
2813
2814 line_width += char_width;
2815 }
2816
2817 if (text_size.x < line_width)
2818 text_size.x = line_width;
2819
2820 if (line_width > 0 || text_size.y == 0.0f)
2821 text_size.y += line_height;
2822
2823 if (remaining)
2824 *remaining = s;
2825
2826 return text_size;
2827 }
2828
RenderChar(ImDrawList * draw_list,float size,ImVec2 pos,ImU32 col,ImWchar c) const2829 void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const
2830 {
2831 if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.
2832 return;
2833 if (const ImFontGlyph* glyph = FindGlyph(c))
2834 {
2835 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
2836 pos.x = IM_FLOOR(pos.x + DisplayOffset.x);
2837 pos.y = IM_FLOOR(pos.y + DisplayOffset.y);
2838 draw_list->PrimReserve(6, 4);
2839 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);
2840 }
2841 }
2842
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) const2843 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
2844 {
2845 if (!text_end)
2846 text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls.
2847
2848 // Align to be pixel perfect
2849 pos.x = IM_FLOOR(pos.x + DisplayOffset.x);
2850 pos.y = IM_FLOOR(pos.y + DisplayOffset.y);
2851 float x = pos.x;
2852 float y = pos.y;
2853 if (y > clip_rect.w)
2854 return;
2855
2856 const float scale = size / FontSize;
2857 const float line_height = FontSize * scale;
2858 const bool word_wrap_enabled = (wrap_width > 0.0f);
2859 const char* word_wrap_eol = NULL;
2860
2861 // Fast-forward to first visible line
2862 const char* s = text_begin;
2863 if (y + line_height < clip_rect.y && !word_wrap_enabled)
2864 while (y + line_height < clip_rect.y && s < text_end)
2865 {
2866 s = (const char*)memchr(s, '\n', text_end - s);
2867 s = s ? s + 1 : text_end;
2868 y += line_height;
2869 }
2870
2871 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
2872 // 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)
2873 if (text_end - s > 10000 && !word_wrap_enabled)
2874 {
2875 const char* s_end = s;
2876 float y_end = y;
2877 while (y_end < clip_rect.w && s_end < text_end)
2878 {
2879 s_end = (const char*)memchr(s_end, '\n', text_end - s_end);
2880 s_end = s_end ? s_end + 1 : text_end;
2881 y_end += line_height;
2882 }
2883 text_end = s_end;
2884 }
2885 if (s == text_end)
2886 return;
2887
2888 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
2889 const int vtx_count_max = (int)(text_end - s) * 4;
2890 const int idx_count_max = (int)(text_end - s) * 6;
2891 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
2892 draw_list->PrimReserve(idx_count_max, vtx_count_max);
2893
2894 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
2895 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
2896 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx;
2897
2898 while (s < text_end)
2899 {
2900 if (word_wrap_enabled)
2901 {
2902 // 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.
2903 if (!word_wrap_eol)
2904 {
2905 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x));
2906 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2907 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
2908 }
2909
2910 if (s >= word_wrap_eol)
2911 {
2912 x = pos.x;
2913 y += line_height;
2914 word_wrap_eol = NULL;
2915
2916 // Wrapping skips upcoming blanks
2917 while (s < text_end)
2918 {
2919 const char c = *s;
2920 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2921 }
2922 continue;
2923 }
2924 }
2925
2926 // Decode and advance source
2927 unsigned int c = (unsigned int)*s;
2928 if (c < 0x80)
2929 {
2930 s += 1;
2931 }
2932 else
2933 {
2934 s += ImTextCharFromUtf8(&c, s, text_end);
2935 if (c == 0) // Malformed UTF-8?
2936 break;
2937 }
2938
2939 if (c < 32)
2940 {
2941 if (c == '\n')
2942 {
2943 x = pos.x;
2944 y += line_height;
2945 if (y > clip_rect.w)
2946 break; // break out of main loop
2947 continue;
2948 }
2949 if (c == '\r')
2950 continue;
2951 }
2952
2953 float char_width = 0.0f;
2954 if (const ImFontGlyph* glyph = FindGlyph((ImWchar)c))
2955 {
2956 char_width = glyph->AdvanceX * scale;
2957
2958 // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
2959 if (c != ' ' && c != '\t')
2960 {
2961 // 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
2962 float x1 = x + glyph->X0 * scale;
2963 float x2 = x + glyph->X1 * scale;
2964 float y1 = y + glyph->Y0 * scale;
2965 float y2 = y + glyph->Y1 * scale;
2966 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
2967 {
2968 // Render a character
2969 float u1 = glyph->U0;
2970 float v1 = glyph->V0;
2971 float u2 = glyph->U1;
2972 float v2 = glyph->V1;
2973
2974 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
2975 if (cpu_fine_clip)
2976 {
2977 if (x1 < clip_rect.x)
2978 {
2979 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
2980 x1 = clip_rect.x;
2981 }
2982 if (y1 < clip_rect.y)
2983 {
2984 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
2985 y1 = clip_rect.y;
2986 }
2987 if (x2 > clip_rect.z)
2988 {
2989 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
2990 x2 = clip_rect.z;
2991 }
2992 if (y2 > clip_rect.w)
2993 {
2994 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
2995 y2 = clip_rect.w;
2996 }
2997 if (y1 >= y2)
2998 {
2999 x += char_width;
3000 continue;
3001 }
3002 }
3003
3004 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
3005 {
3006 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
3007 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
3008 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;
3009 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;
3010 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;
3011 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;
3012 vtx_write += 4;
3013 vtx_current_idx += 4;
3014 idx_write += 6;
3015 }
3016 }
3017 }
3018 }
3019
3020 x += char_width;
3021 }
3022
3023 // Give back unused vertices
3024 draw_list->VtxBuffer.resize((int)(vtx_write - draw_list->VtxBuffer.Data));
3025 draw_list->IdxBuffer.resize((int)(idx_write - draw_list->IdxBuffer.Data));
3026 draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
3027 draw_list->_VtxWritePtr = vtx_write;
3028 draw_list->_IdxWritePtr = idx_write;
3029 draw_list->_VtxCurrentIdx = vtx_current_idx;
3030 }
3031
3032 //-----------------------------------------------------------------------------
3033 // [SECTION] Internal Render Helpers
3034 // (progressively moved from imgui.cpp to here when they are redesigned to stop accessing ImGui global state)
3035 //-----------------------------------------------------------------------------
3036 // - RenderMouseCursor()
3037 // - RenderArrowPointingAt()
3038 // - RenderRectFilledRangeH()
3039 //-----------------------------------------------------------------------------
3040
RenderMouseCursor(ImDrawList * draw_list,ImVec2 pos,float scale,ImGuiMouseCursor mouse_cursor,ImU32 col_fill,ImU32 col_border,ImU32 col_shadow)3041 void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow)
3042 {
3043 if (mouse_cursor == ImGuiMouseCursor_None)
3044 return;
3045 IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
3046
3047 ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
3048 ImVec2 offset, size, uv[4];
3049 if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
3050 {
3051 pos -= offset;
3052 const ImTextureID tex_id = font_atlas->TexID;
3053 draw_list->PushTextureID(tex_id);
3054 draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow);
3055 draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow);
3056 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border);
3057 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill);
3058 draw_list->PopTextureID();
3059 }
3060 }
3061
3062 // 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)3063 void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
3064 {
3065 switch (direction)
3066 {
3067 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;
3068 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;
3069 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;
3070 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;
3071 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
3072 }
3073 }
3074
ImAcos01(float x)3075 static inline float ImAcos01(float x)
3076 {
3077 if (x <= 0.0f) return IM_PI * 0.5f;
3078 if (x >= 1.0f) return 0.0f;
3079 return ImAcos(x);
3080 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
3081 }
3082
3083 // 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)3084 void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
3085 {
3086 if (x_end_norm == x_start_norm)
3087 return;
3088 if (x_start_norm > x_end_norm)
3089 ImSwap(x_start_norm, x_end_norm);
3090
3091 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y);
3092 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y);
3093 if (rounding == 0.0f)
3094 {
3095 draw_list->AddRectFilled(p0, p1, col, 0.0f);
3096 return;
3097 }
3098
3099 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding);
3100 const float inv_rounding = 1.0f / rounding;
3101 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
3102 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
3103 const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return.
3104 const float x0 = ImMax(p0.x, rect.Min.x + rounding);
3105 if (arc0_b == arc0_e)
3106 {
3107 draw_list->PathLineTo(ImVec2(x0, p1.y));
3108 draw_list->PathLineTo(ImVec2(x0, p0.y));
3109 }
3110 else if (arc0_b == 0.0f && arc0_e == half_pi)
3111 {
3112 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
3113 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
3114 }
3115 else
3116 {
3117 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL
3118 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR
3119 }
3120 if (p1.x > rect.Min.x + rounding)
3121 {
3122 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding);
3123 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding);
3124 const float x1 = ImMin(p1.x, rect.Max.x - rounding);
3125 if (arc1_b == arc1_e)
3126 {
3127 draw_list->PathLineTo(ImVec2(x1, p0.y));
3128 draw_list->PathLineTo(ImVec2(x1, p1.y));
3129 }
3130 else if (arc1_b == 0.0f && arc1_e == half_pi)
3131 {
3132 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
3133 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR
3134 }
3135 else
3136 {
3137 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR
3138 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR
3139 }
3140 }
3141 draw_list->PathFillConvex(col);
3142 }
3143
3144 //-----------------------------------------------------------------------------
3145 // [SECTION] Decompression code
3146 //-----------------------------------------------------------------------------
3147 // Compressed with stb_compress() then converted to a C array and encoded as base85.
3148 // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
3149 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3150 // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
3151 //-----------------------------------------------------------------------------
3152
stb_decompress_length(const unsigned char * input)3153 static unsigned int stb_decompress_length(const unsigned char *input)
3154 {
3155 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
3156 }
3157
3158 static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
3159 static const unsigned char *stb__barrier_in_b;
3160 static unsigned char *stb__dout;
stb__match(const unsigned char * data,unsigned int length)3161 static void stb__match(const unsigned char *data, unsigned int length)
3162 {
3163 // INVERSE of memmove... write each byte before copying the next...
3164 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3165 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3166 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
3167 while (length--) *stb__dout++ = *data++;
3168 }
3169
stb__lit(const unsigned char * data,unsigned int length)3170 static void stb__lit(const unsigned char *data, unsigned int length)
3171 {
3172 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3173 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3174 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
3175 memcpy(stb__dout, data, length);
3176 stb__dout += length;
3177 }
3178
3179 #define stb__in2(x) ((i[x] << 8) + i[(x)+1])
3180 #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
3181 #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
3182
stb_decompress_token(const unsigned char * i)3183 static const unsigned char *stb_decompress_token(const unsigned char *i)
3184 {
3185 if (*i >= 0x20) { // use fewer if's for cases that expand small
3186 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
3187 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
3188 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
3189 } else { // more ifs for cases that expand large, since overhead is amortized
3190 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
3191 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
3192 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
3193 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
3194 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
3195 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
3196 }
3197 return i;
3198 }
3199
stb_adler32(unsigned int adler32,unsigned char * buffer,unsigned int buflen)3200 static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
3201 {
3202 const unsigned long ADLER_MOD = 65521;
3203 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
3204 unsigned long blocklen = buflen % 5552;
3205
3206 unsigned long i;
3207 while (buflen) {
3208 for (i=0; i + 7 < blocklen; i += 8) {
3209 s1 += buffer[0], s2 += s1;
3210 s1 += buffer[1], s2 += s1;
3211 s1 += buffer[2], s2 += s1;
3212 s1 += buffer[3], s2 += s1;
3213 s1 += buffer[4], s2 += s1;
3214 s1 += buffer[5], s2 += s1;
3215 s1 += buffer[6], s2 += s1;
3216 s1 += buffer[7], s2 += s1;
3217
3218 buffer += 8;
3219 }
3220
3221 for (; i < blocklen; ++i)
3222 s1 += *buffer++, s2 += s1;
3223
3224 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
3225 buflen -= blocklen;
3226 blocklen = 5552;
3227 }
3228 return (unsigned int)(s2 << 16) + (unsigned int)s1;
3229 }
3230
stb_decompress(unsigned char * output,const unsigned char * i,unsigned int)3231 static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
3232 {
3233 if (stb__in4(0) != 0x57bC0000) return 0;
3234 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
3235 const unsigned int olen = stb_decompress_length(i);
3236 stb__barrier_in_b = i;
3237 stb__barrier_out_e = output + olen;
3238 stb__barrier_out_b = output;
3239 i += 16;
3240
3241 stb__dout = output;
3242 for (;;) {
3243 const unsigned char *old_i = i;
3244 i = stb_decompress_token(i);
3245 if (i == old_i) {
3246 if (*i == 0x05 && i[1] == 0xfa) {
3247 IM_ASSERT(stb__dout == output + olen);
3248 if (stb__dout != output + olen) return 0;
3249 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
3250 return 0;
3251 return olen;
3252 } else {
3253 IM_ASSERT(0); /* NOTREACHED */
3254 return 0;
3255 }
3256 }
3257 IM_ASSERT(stb__dout <= output + olen);
3258 if (stb__dout > output + olen)
3259 return 0;
3260 }
3261 }
3262
3263 //-----------------------------------------------------------------------------
3264 // [SECTION] Default font data (ProggyClean.ttf)
3265 //-----------------------------------------------------------------------------
3266 // ProggyClean.ttf
3267 // Copyright (c) 2004, 2005 Tristan Grimmer
3268 // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
3269 // Download and more information at http://upperbounds.net
3270 //-----------------------------------------------------------------------------
3271 // File: 'ProggyClean.ttf' (41208 bytes)
3272 // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
3273 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3274 //-----------------------------------------------------------------------------
3275 static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
3276 "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
3277 "2*>]b(MC;$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#"
3278 "`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"
3279 "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"
3280 "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"
3281 "*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)"
3282 "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"
3283 "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."
3284 "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"
3285 "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(,)"
3286 "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#"
3287 "'/###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"
3288 "_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"
3289 "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/"
3290 "/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"
3291 "%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&#"
3292 "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)("
3293 "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"
3294 "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"
3295 "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^-"
3296 "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-"
3297 "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"
3298 "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%"
3299 "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]"
3300 "%(?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"
3301 "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:"
3302 "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("
3303 "$/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<"
3304 "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'?"
3305 "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/;"
3306 ")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"
3307 "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("
3308 "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"
3309 "bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTGT5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
3310 "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<-"
3311 "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"
3312 "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"
3313 ".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@@"
3314 "$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
3315 "hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
3316 "@-W$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&#"
3317 "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#"
3318 "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"
3319 "d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoFDoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
3320 "6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
3321 "b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
3322 ":k$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+"
3323 "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*"
3324 "$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
3325 ":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
3326 "7aQC[K8d-(v6GI$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"
3327 "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"
3328 "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
3329 ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
3330 "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
3331 "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
3332 "^V'9;jY@;)br#q^YQpx:X#Te$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:"
3333 "+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%"
3334 "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
3335 "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
3336 "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
3337 "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
3338 "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
3339 "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
3340 "+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"
3341 "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"
3342 "?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"
3343 "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"
3344 ">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-$.QN'>"
3345 "[%$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"
3346 "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#"
3347 "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$"
3348 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
3349 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
3350 "1*c-(aY168o<`JsSbk-,1N;$>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"
3351 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
3352 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
3353 ";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&>"
3354 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
3355 "d<F&#*;G##.GY##2Sl##6`($#: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"
3356 "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$C#+E6C#"
3357 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
3358 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
3359 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
3360 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
3361 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
3362
GetDefaultCompressedFontDataTTFBase85()3363 static const char* GetDefaultCompressedFontDataTTFBase85()
3364 {
3365 return proggy_clean_ttf_compressed_data_base85;
3366 }
3367