1 // dear imgui, v1.75
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_DISABLE
31
32 #ifndef IMGUI_DEFINE_MATH_OPERATORS
33 #define IMGUI_DEFINE_MATH_OPERATORS
34 #endif
35 #include "imgui_internal.h"
36 #include "imconfig.h"
37
38 #include <stdio.h> // vsnprintf, sscanf, printf
39 #if !defined(alloca)
40 #if defined(__GLIBC__) || defined(__sun) || defined(__CYGWIN__) || defined(__APPLE__) || defined(__SWITCH__)
41 #include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here)
42 #elif defined(_WIN32)
43 #include <malloc.h> // alloca
44 #if !defined(alloca)
45 #define alloca _alloca // for clang with MS Codegen
46 #endif
47 #else
48 #include <stdlib.h> // alloca
49 #endif
50 #endif
51
52 // Visual Studio warnings
53 #ifdef _MSC_VER
54 #pragma warning (disable: 4127) // condition expression is constant
55 #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
56 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
57 #endif
58
59 // Clang/GCC warnings with -Weverything
60 #if defined(__clang__)
61 #pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
62 #pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
63 #pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference is.
64 #pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
65 #if __has_warning("-Wzero-as-null-pointer-constant")
66 #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0
67 #endif
68 #if __has_warning("-Wcomma")
69 #pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
70 #endif
71 #if __has_warning("-Wreserved-id-macro")
72 #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
73 #endif
74 #if __has_warning("-Wdouble-promotion")
75 #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.
76 #endif
77 #elif defined(__GNUC__)
78 #pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind
79 #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
80 #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
81 #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
82 #pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer
83 #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
84 #endif
85
86 //-------------------------------------------------------------------------
87 // [SECTION] STB libraries implementation
88 //-------------------------------------------------------------------------
89
90 // Compile time options:
91 //#define IMGUI_STB_NAMESPACE ImStb
92 //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
93 //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
94 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
95 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
96
97 #ifdef IMGUI_STB_NAMESPACE
98 namespace IMGUI_STB_NAMESPACE
99 {
100 #endif
101
102 #ifdef _MSC_VER
103 #pragma warning (push)
104 #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
105 #endif
106
107 #if defined(__clang__)
108 #pragma clang diagnostic push
109 #pragma clang diagnostic ignored "-Wunused-function"
110 #pragma clang diagnostic ignored "-Wmissing-prototypes"
111 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
112 #pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier //
113 #endif
114
115 #if defined(__GNUC__)
116 #pragma GCC diagnostic push
117 #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
118 #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
119 #endif
120
121 #ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
122 #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
123 #define STBRP_STATIC
124 #define STBRP_ASSERT(x) IM_ASSERT(x)
125 #define STBRP_SORT ImQsort
126 #define STB_RECT_PACK_IMPLEMENTATION
127 #endif
128 #ifdef IMGUI_STB_RECT_PACK_FILENAME
129 #include IMGUI_STB_RECT_PACK_FILENAME
130 #else
131 #include "imstb_rectpack.h"
132 #endif
133 #endif
134
135 #ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
136 #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
137 #define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x))
138 #define STBTT_free(x,u) ((void)(u), IM_FREE(x))
139 #define STBTT_assert(x) IM_ASSERT(x)
140 #define STBTT_fmod(x,y) ImFmod(x,y)
141 #define STBTT_sqrt(x) ImSqrt(x)
142 #define STBTT_pow(x,y) ImPow(x,y)
143 #define STBTT_fabs(x) ImFabs(x)
144 #define STBTT_ifloor(x) ((int)ImFloorStd(x))
145 #define STBTT_iceil(x) ((int)ImCeil(x))
146 #define STBTT_STATIC
147 #define STB_TRUETYPE_IMPLEMENTATION
148 #else
149 #define STBTT_DEF extern
150 #endif
151 #ifdef IMGUI_STB_TRUETYPE_FILENAME
152 #include IMGUI_STB_TRUETYPE_FILENAME
153 #else
154 #include "imstb_truetype.h"
155 #endif
156 #endif
157
158 #if defined(__GNUC__)
159 #pragma GCC diagnostic pop
160 #endif
161
162 #if defined(__clang__)
163 #pragma clang diagnostic pop
164 #endif
165
166 #if defined(_MSC_VER)
167 #pragma warning (pop)
168 #endif
169
170 #ifdef IMGUI_STB_NAMESPACE
171 } // namespace ImStb
172 using namespace IMGUI_STB_NAMESPACE;
173 #endif
174
175 //-----------------------------------------------------------------------------
176 // [SECTION] Style functions
177 //-----------------------------------------------------------------------------
178
StyleColorsDark(ImGuiStyle * dst)179 void ImGui::StyleColorsDark(ImGuiStyle* dst)
180 {
181 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
182 ImVec4* colors = style->Colors;
183
184 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
185 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
186 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
187 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
188 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
189 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
190 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
191 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
192 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
193 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
194 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
195 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
196 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
197 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
198 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
199 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
200 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
201 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
202 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
203 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
204 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
205 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
206 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
207 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
208 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
209 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
210 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
211 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
212 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
213 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
214 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
215 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
216 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
217 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
218 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
219 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
220 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
221 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
222 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
223 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
224 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
225 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
226 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
227 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
228 colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
229 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
230 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
231 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
232 }
233
StyleColorsClassic(ImGuiStyle * dst)234 void ImGui::StyleColorsClassic(ImGuiStyle* dst)
235 {
236 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
237 ImVec4* colors = style->Colors;
238
239 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
240 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
241 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
242 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
243 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
244 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
245 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
246 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
247 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
248 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
249 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
250 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
251 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
252 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
253 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
254 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
255 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
256 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
257 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
258 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
259 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
260 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
261 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
262 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
263 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
264 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
265 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
266 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f);
267 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
268 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
269 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f);
270 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
271 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
272 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
273 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
274 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
275 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
276 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
277 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
278 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
279 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
280 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
281 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
282 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
283 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
284 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
285 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
286 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
287 }
288
289 // Those light colors are better suited with a thicker font than the default one + FrameBorder
StyleColorsLight(ImGuiStyle * dst)290 void ImGui::StyleColorsLight(ImGuiStyle* dst)
291 {
292 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
293 ImVec4* colors = style->Colors;
294
295 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
296 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
297 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
298 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
299 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
300 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
301 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
302 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
303 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
304 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
305 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
306 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
307 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
308 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
309 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
310 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
311 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
312 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
313 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
314 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
315 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
316 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
317 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
318 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
319 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
320 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
321 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
322 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f);
323 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
324 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
325 colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f);
326 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
327 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
328 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f);
329 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
330 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
331 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
332 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
333 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
334 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
335 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
336 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
337 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
338 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
339 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
340 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
341 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
342 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
343 }
344
345 //-----------------------------------------------------------------------------
346 // ImDrawList
347 //-----------------------------------------------------------------------------
348
ImDrawListSharedData()349 ImDrawListSharedData::ImDrawListSharedData()
350 {
351 Font = NULL;
352 FontSize = 0.0f;
353 CurveTessellationTol = 0.0f;
354 CircleSegmentMaxError = 0.0f;
355 ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f);
356 InitialFlags = ImDrawListFlags_None;
357
358 // Lookup tables
359 for (int i = 0; i < IM_ARRAYSIZE(CircleVtx12); i++)
360 {
361 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(CircleVtx12);
362 CircleVtx12[i] = ImVec2(ImCos(a), ImSin(a));
363 }
364 memset(CircleSegmentCounts, 0, sizeof(CircleSegmentCounts)); // This will be set by SetCircleSegmentMaxError()
365 }
366
SetCircleSegmentMaxError(float max_error)367 void ImDrawListSharedData::SetCircleSegmentMaxError(float max_error)
368 {
369 if (CircleSegmentMaxError == max_error)
370 return;
371 CircleSegmentMaxError = max_error;
372 for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++)
373 {
374 const float radius = i + 1.0f;
375 const int segment_count = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError);
376 CircleSegmentCounts[i] = (ImU8)ImMin(segment_count, 255);
377 }
378 }
379
Clear()380 void ImDrawList::Clear()
381 {
382 CmdBuffer.resize(0);
383 IdxBuffer.resize(0);
384 VtxBuffer.resize(0);
385 Flags = _Data ? _Data->InitialFlags : ImDrawListFlags_None;
386 _VtxCurrentOffset = 0;
387 _VtxCurrentIdx = 0;
388 _VtxWritePtr = NULL;
389 _IdxWritePtr = NULL;
390 _ClipRectStack.resize(0);
391 _TextureIdStack.resize(0);
392 _Path.resize(0);
393 _Splitter.Clear();
394 }
395
ClearFreeMemory()396 void ImDrawList::ClearFreeMemory()
397 {
398 CmdBuffer.clear();
399 IdxBuffer.clear();
400 VtxBuffer.clear();
401 _VtxCurrentIdx = 0;
402 _VtxWritePtr = NULL;
403 _IdxWritePtr = NULL;
404 _ClipRectStack.clear();
405 _TextureIdStack.clear();
406 _Path.clear();
407 _Splitter.ClearFreeMemory();
408 }
409
CloneOutput() const410 ImDrawList* ImDrawList::CloneOutput() const
411 {
412 ImDrawList* dst = IM_NEW(ImDrawList(_Data));
413 dst->CmdBuffer = CmdBuffer;
414 dst->IdxBuffer = IdxBuffer;
415 dst->VtxBuffer = VtxBuffer;
416 dst->Flags = Flags;
417 return dst;
418 }
419
420 // Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds
421 #define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
422 #define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : (ImTextureID)NULL)
423
AddDrawCmd()424 void ImDrawList::AddDrawCmd()
425 {
426 ImDrawCmd draw_cmd;
427 draw_cmd.ClipRect = GetCurrentClipRect();
428 draw_cmd.TextureId = GetCurrentTextureId();
429 draw_cmd.VtxOffset = _VtxCurrentOffset;
430 draw_cmd.IdxOffset = IdxBuffer.Size;
431
432 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
433 CmdBuffer.push_back(draw_cmd);
434 }
435
AddCallback(ImDrawCallback callback,void * callback_data)436 void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
437 {
438 ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
439 if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
440 {
441 AddDrawCmd();
442 current_cmd = &CmdBuffer.back();
443 }
444 current_cmd->UserCallback = callback;
445 current_cmd->UserCallbackData = callback_data;
446
447 AddDrawCmd(); // Force a new command after us (see comment below)
448 }
449
450 // 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.
451 // 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()452 void ImDrawList::UpdateClipRect()
453 {
454 // If current command is used with different settings we need to add a new command
455 const ImVec4 curr_clip_rect = GetCurrentClipRect();
456 ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
457 if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
458 {
459 AddDrawCmd();
460 return;
461 }
462
463 // Try to merge with previous command if it matches, else use current command
464 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
465 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)
466 CmdBuffer.pop_back();
467 else
468 curr_cmd->ClipRect = curr_clip_rect;
469 }
470
UpdateTextureID()471 void ImDrawList::UpdateTextureID()
472 {
473 // If current command is used with different settings we need to add a new command
474 const ImTextureID curr_texture_id = GetCurrentTextureId();
475 ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
476 if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
477 {
478 AddDrawCmd();
479 return;
480 }
481
482 // Try to merge with previous command if it matches, else use current command
483 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
484 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)
485 CmdBuffer.pop_back();
486 else
487 curr_cmd->TextureId = curr_texture_id;
488 }
489
490 #undef GetCurrentClipRect
491 #undef GetCurrentTextureId
492
493 // 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)494 void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect)
495 {
496 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
497 if (intersect_with_current_clip_rect && _ClipRectStack.Size)
498 {
499 ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1];
500 if (cr.x < current.x) cr.x = current.x;
501 if (cr.y < current.y) cr.y = current.y;
502 if (cr.z > current.z) cr.z = current.z;
503 if (cr.w > current.w) cr.w = current.w;
504 }
505 cr.z = ImMax(cr.x, cr.z);
506 cr.w = ImMax(cr.y, cr.w);
507
508 _ClipRectStack.push_back(cr);
509 UpdateClipRect();
510 }
511
PushClipRectFullScreen()512 void ImDrawList::PushClipRectFullScreen()
513 {
514 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
515 }
516
PopClipRect()517 void ImDrawList::PopClipRect()
518 {
519 IM_ASSERT(_ClipRectStack.Size > 0);
520 _ClipRectStack.pop_back();
521 UpdateClipRect();
522 }
523
PushTextureID(ImTextureID texture_id)524 void ImDrawList::PushTextureID(ImTextureID texture_id)
525 {
526 _TextureIdStack.push_back(texture_id);
527 UpdateTextureID();
528 }
529
PopTextureID()530 void ImDrawList::PopTextureID()
531 {
532 IM_ASSERT(_TextureIdStack.Size > 0);
533 _TextureIdStack.pop_back();
534 UpdateTextureID();
535 }
536
537 // Reserve space for a number of vertices and indices.
538 // You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or
539 // submit the intermediate results. PrimUnreserve() can be used to release unused allocations.
PrimReserve(int idx_count,int vtx_count)540 void ImDrawList::PrimReserve(int idx_count, int vtx_count)
541 {
542 // Large mesh support (when enabled)
543 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
544 if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset))
545 {
546 _VtxCurrentOffset = VtxBuffer.Size;
547 _VtxCurrentIdx = 0;
548 AddDrawCmd();
549 }
550
551 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size - 1];
552 draw_cmd.ElemCount += idx_count;
553
554 int vtx_buffer_old_size = VtxBuffer.Size;
555 VtxBuffer.resize(vtx_buffer_old_size + vtx_count);
556 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
557
558 int idx_buffer_old_size = IdxBuffer.Size;
559 IdxBuffer.resize(idx_buffer_old_size + idx_count);
560 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
561 }
562
563 // Release the a number of reserved vertices/indices from the end of the last reservation made with PrimReserve().
PrimUnreserve(int idx_count,int vtx_count)564 void ImDrawList::PrimUnreserve(int idx_count, int vtx_count)
565 {
566 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0);
567
568 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size - 1];
569 draw_cmd.ElemCount -= idx_count;
570 VtxBuffer.shrink(VtxBuffer.Size - vtx_count);
571 IdxBuffer.shrink(IdxBuffer.Size - idx_count);
572 }
573
574 // Fully unrolled with inline call to keep our debug builds decently fast.
PrimRect(const ImVec2 & a,const ImVec2 & c,ImU32 col)575 void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
576 {
577 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
578 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
579 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
580 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
581 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
582 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
583 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
584 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
585 _VtxWritePtr += 4;
586 _VtxCurrentIdx += 4;
587 _IdxWritePtr += 6;
588 }
589
PrimRectUV(const ImVec2 & a,const ImVec2 & c,const ImVec2 & uv_a,const ImVec2 & uv_c,ImU32 col)590 void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
591 {
592 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);
593 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
594 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
595 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
596 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
597 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
598 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
599 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
600 _VtxWritePtr += 4;
601 _VtxCurrentIdx += 4;
602 _IdxWritePtr += 6;
603 }
604
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)605 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)
606 {
607 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
608 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
609 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
610 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
611 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
612 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
613 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
614 _VtxWritePtr += 4;
615 _VtxCurrentIdx += 4;
616 _IdxWritePtr += 6;
617 }
618
619 // On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds.
620 // Those macros expects l-values.
621 #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; } }
622 #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; }
623
624 // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
625 // 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)626 void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
627 {
628 if (points_count < 2)
629 return;
630
631 const ImVec2 uv = _Data->TexUvWhitePixel;
632
633 int count = points_count;
634 if (!closed)
635 count = points_count-1;
636
637 const bool thick_line = thickness > 1.0f;
638 if (Flags & ImDrawListFlags_AntiAliasedLines)
639 {
640 // Anti-aliased stroke
641 const float AA_SIZE = 1.0f;
642 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
643
644 const int idx_count = thick_line ? count*18 : count*12;
645 const int vtx_count = thick_line ? points_count*4 : points_count*3;
646 PrimReserve(idx_count, vtx_count);
647
648 // Temporary buffer
649 ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); //-V630
650 ImVec2* temp_points = temp_normals + points_count;
651
652 for (int i1 = 0; i1 < count; i1++)
653 {
654 const int i2 = (i1+1) == points_count ? 0 : i1+1;
655 float dx = points[i2].x - points[i1].x;
656 float dy = points[i2].y - points[i1].y;
657 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
658 temp_normals[i1].x = dy;
659 temp_normals[i1].y = -dx;
660 }
661 if (!closed)
662 temp_normals[points_count-1] = temp_normals[points_count-2];
663
664 if (!thick_line)
665 {
666 if (!closed)
667 {
668 temp_points[0] = points[0] + temp_normals[0] * AA_SIZE;
669 temp_points[1] = points[0] - temp_normals[0] * AA_SIZE;
670 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE;
671 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE;
672 }
673
674 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
675 unsigned int idx1 = _VtxCurrentIdx;
676 for (int i1 = 0; i1 < count; i1++)
677 {
678 const int i2 = (i1+1) == points_count ? 0 : i1+1;
679 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
680
681 // Average normals
682 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
683 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
684 IM_FIXNORMAL2F(dm_x, dm_y)
685 dm_x *= AA_SIZE;
686 dm_y *= AA_SIZE;
687
688 // Add temporary vertexes
689 ImVec2* out_vtx = &temp_points[i2*2];
690 out_vtx[0].x = points[i2].x + dm_x;
691 out_vtx[0].y = points[i2].y + dm_y;
692 out_vtx[1].x = points[i2].x - dm_x;
693 out_vtx[1].y = points[i2].y - dm_y;
694
695 // Add indexes
696 _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
697 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0);
698 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
699 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1);
700 _IdxWritePtr += 12;
701
702 idx1 = idx2;
703 }
704
705 // Add vertexes
706 for (int i = 0; i < points_count; i++)
707 {
708 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
709 _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
710 _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
711 _VtxWritePtr += 3;
712 }
713 }
714 else
715 {
716 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
717 if (!closed)
718 {
719 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
720 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
721 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
722 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
723 temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
724 temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
725 temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
726 temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
727 }
728
729 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
730 unsigned int idx1 = _VtxCurrentIdx;
731 for (int i1 = 0; i1 < count; i1++)
732 {
733 const int i2 = (i1+1) == points_count ? 0 : i1+1;
734 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
735
736 // Average normals
737 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
738 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
739 IM_FIXNORMAL2F(dm_x, dm_y);
740 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
741 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
742 float dm_in_x = dm_x * half_inner_thickness;
743 float dm_in_y = dm_y * half_inner_thickness;
744
745 // Add temporary vertexes
746 ImVec2* out_vtx = &temp_points[i2*4];
747 out_vtx[0].x = points[i2].x + dm_out_x;
748 out_vtx[0].y = points[i2].y + dm_out_y;
749 out_vtx[1].x = points[i2].x + dm_in_x;
750 out_vtx[1].y = points[i2].y + dm_in_y;
751 out_vtx[2].x = points[i2].x - dm_in_x;
752 out_vtx[2].y = points[i2].y - dm_in_y;
753 out_vtx[3].x = points[i2].x - dm_out_x;
754 out_vtx[3].y = points[i2].y - dm_out_y;
755
756 // Add indexes
757 _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
758 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1);
759 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
760 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1);
761 _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3);
762 _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2);
763 _IdxWritePtr += 18;
764
765 idx1 = idx2;
766 }
767
768 // Add vertexes
769 for (int i = 0; i < points_count; i++)
770 {
771 _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
772 _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
773 _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
774 _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans;
775 _VtxWritePtr += 4;
776 }
777 }
778 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
779 }
780 else
781 {
782 // Non Anti-aliased Stroke
783 const int idx_count = count*6;
784 const int vtx_count = count*4; // FIXME-OPT: Not sharing edges
785 PrimReserve(idx_count, vtx_count);
786
787 for (int i1 = 0; i1 < count; i1++)
788 {
789 const int i2 = (i1+1) == points_count ? 0 : i1+1;
790 const ImVec2& p1 = points[i1];
791 const ImVec2& p2 = points[i2];
792
793 float dx = p2.x - p1.x;
794 float dy = p2.y - p1.y;
795 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
796 dx *= (thickness * 0.5f);
797 dy *= (thickness * 0.5f);
798
799 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
800 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
801 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
802 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
803 _VtxWritePtr += 4;
804
805 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2);
806 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3);
807 _IdxWritePtr += 6;
808 _VtxCurrentIdx += 4;
809 }
810 }
811 }
812
813 // 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)814 void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
815 {
816 if (points_count < 3)
817 return;
818
819 const ImVec2 uv = _Data->TexUvWhitePixel;
820
821 if (Flags & ImDrawListFlags_AntiAliasedFill)
822 {
823 // Anti-aliased Fill
824 const float AA_SIZE = 1.0f;
825 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
826 const int idx_count = (points_count-2)*3 + points_count*6;
827 const int vtx_count = (points_count*2);
828 PrimReserve(idx_count, vtx_count);
829
830 // Add indexes for fill
831 unsigned int vtx_inner_idx = _VtxCurrentIdx;
832 unsigned int vtx_outer_idx = _VtxCurrentIdx+1;
833 for (int i = 2; i < points_count; i++)
834 {
835 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
836 _IdxWritePtr += 3;
837 }
838
839 // Compute normals
840 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630
841 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
842 {
843 const ImVec2& p0 = points[i0];
844 const ImVec2& p1 = points[i1];
845 float dx = p1.x - p0.x;
846 float dy = p1.y - p0.y;
847 IM_NORMALIZE2F_OVER_ZERO(dx, dy);
848 temp_normals[i0].x = dy;
849 temp_normals[i0].y = -dx;
850 }
851
852 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
853 {
854 // Average normals
855 const ImVec2& n0 = temp_normals[i0];
856 const ImVec2& n1 = temp_normals[i1];
857 float dm_x = (n0.x + n1.x) * 0.5f;
858 float dm_y = (n0.y + n1.y) * 0.5f;
859 IM_FIXNORMAL2F(dm_x, dm_y);
860 dm_x *= AA_SIZE * 0.5f;
861 dm_y *= AA_SIZE * 0.5f;
862
863 // Add vertices
864 _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
865 _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
866 _VtxWritePtr += 2;
867
868 // Add indexes for fringes
869 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1));
870 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1));
871 _IdxWritePtr += 6;
872 }
873 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
874 }
875 else
876 {
877 // Non Anti-aliased Fill
878 const int idx_count = (points_count-2)*3;
879 const int vtx_count = points_count;
880 PrimReserve(idx_count, vtx_count);
881 for (int i = 0; i < vtx_count; i++)
882 {
883 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
884 _VtxWritePtr++;
885 }
886 for (int i = 2; i < points_count; i++)
887 {
888 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i);
889 _IdxWritePtr += 3;
890 }
891 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
892 }
893 }
894
PathArcToFast(const ImVec2 & center,float radius,int a_min_of_12,int a_max_of_12)895 void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12)
896 {
897 if (radius == 0.0f || a_min_of_12 > a_max_of_12)
898 {
899 _Path.push_back(center);
900 return;
901 }
902 _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
903 for (int a = a_min_of_12; a <= a_max_of_12; a++)
904 {
905 const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
906 _Path.push_back(ImVec2(center.x + c.x * radius, center.y + c.y * radius));
907 }
908 }
909
PathArcTo(const ImVec2 & center,float radius,float a_min,float a_max,int num_segments)910 void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments)
911 {
912 if (radius == 0.0f)
913 {
914 _Path.push_back(center);
915 return;
916 }
917
918 // Note that we are adding a point at both a_min and a_max.
919 // If you are trying to draw a full closed circle you don't want the overlapping points!
920 _Path.reserve(_Path.Size + (num_segments + 1));
921 for (int i = 0; i <= num_segments; i++)
922 {
923 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
924 _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius));
925 }
926 }
927
ImBezierCalc(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,float t)928 ImVec2 ImBezierCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t)
929 {
930 float u = 1.0f - t;
931 float w1 = u*u*u;
932 float w2 = 3*u*u*t;
933 float w3 = 3*u*t*t;
934 float w4 = t*t*t;
935 return ImVec2(w1*p1.x + w2*p2.x + w3*p3.x + w4*p4.x, w1*p1.y + w2*p2.y + w3*p3.y + w4*p4.y);
936 }
937
938 // Closely mimics BezierClosestPointCasteljauStep() in imgui.cpp
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)939 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)
940 {
941 float dx = x4 - x1;
942 float dy = y4 - y1;
943 float d2 = ((x2 - x4) * dy - (y2 - y4) * dx);
944 float d3 = ((x3 - x4) * dy - (y3 - y4) * dx);
945 d2 = (d2 >= 0) ? d2 : -d2;
946 d3 = (d3 >= 0) ? d3 : -d3;
947 if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy))
948 {
949 path->push_back(ImVec2(x4, y4));
950 }
951 else if (level < 10)
952 {
953 float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f;
954 float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f;
955 float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f;
956 float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f;
957 float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f;
958 float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f;
959 PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1);
960 PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1);
961 }
962 }
963
PathBezierCurveTo(const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,int num_segments)964 void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
965 {
966 ImVec2 p1 = _Path.back();
967 if (num_segments == 0)
968 {
969 PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated
970 }
971 else
972 {
973 float t_step = 1.0f / (float)num_segments;
974 for (int i_step = 1; i_step <= num_segments; i_step++)
975 _Path.push_back(ImBezierCalc(p1, p2, p3, p4, t_step * i_step));
976 }
977 }
978
PathRect(const ImVec2 & a,const ImVec2 & b,float rounding,ImDrawCornerFlags rounding_corners)979 void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawCornerFlags rounding_corners)
980 {
981 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);
982 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);
983
984 if (rounding <= 0.0f || rounding_corners == 0)
985 {
986 PathLineTo(a);
987 PathLineTo(ImVec2(b.x, a.y));
988 PathLineTo(b);
989 PathLineTo(ImVec2(a.x, b.y));
990 }
991 else
992 {
993 const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f;
994 const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f;
995 const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f;
996 const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f;
997 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9);
998 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12);
999 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3);
1000 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6);
1001 }
1002 }
1003
AddLine(const ImVec2 & p1,const ImVec2 & p2,ImU32 col,float thickness)1004 void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness)
1005 {
1006 if ((col & IM_COL32_A_MASK) == 0)
1007 return;
1008 PathLineTo(p1 + ImVec2(0.5f, 0.5f));
1009 PathLineTo(p2 + ImVec2(0.5f, 0.5f));
1010 PathStroke(col, false, thickness);
1011 }
1012
1013 // p_min = upper-left, p_max = lower-right
1014 // 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)1015 void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners, float thickness)
1016 {
1017 if ((col & IM_COL32_A_MASK) == 0)
1018 return;
1019 if (Flags & ImDrawListFlags_AntiAliasedLines)
1020 PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.50f,0.50f), rounding, rounding_corners);
1021 else
1022 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.
1023 PathStroke(col, true, thickness);
1024 }
1025
AddRectFilled(const ImVec2 & p_min,const ImVec2 & p_max,ImU32 col,float rounding,ImDrawCornerFlags rounding_corners)1026 void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners)
1027 {
1028 if ((col & IM_COL32_A_MASK) == 0)
1029 return;
1030 if (rounding > 0.0f)
1031 {
1032 PathRect(p_min, p_max, rounding, rounding_corners);
1033 PathFillConvex(col);
1034 }
1035 else
1036 {
1037 PrimReserve(6, 4);
1038 PrimRect(p_min, p_max, col);
1039 }
1040 }
1041
1042 // 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)1043 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)
1044 {
1045 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1046 return;
1047
1048 const ImVec2 uv = _Data->TexUvWhitePixel;
1049 PrimReserve(6, 4);
1050 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
1051 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
1052 PrimWriteVtx(p_min, uv, col_upr_left);
1053 PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right);
1054 PrimWriteVtx(p_max, uv, col_bot_right);
1055 PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left);
1056 }
1057
AddQuad(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,ImU32 col,float thickness)1058 void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness)
1059 {
1060 if ((col & IM_COL32_A_MASK) == 0)
1061 return;
1062
1063 PathLineTo(p1);
1064 PathLineTo(p2);
1065 PathLineTo(p3);
1066 PathLineTo(p4);
1067 PathStroke(col, true, thickness);
1068 }
1069
AddQuadFilled(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,ImU32 col)1070 void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col)
1071 {
1072 if ((col & IM_COL32_A_MASK) == 0)
1073 return;
1074
1075 PathLineTo(p1);
1076 PathLineTo(p2);
1077 PathLineTo(p3);
1078 PathLineTo(p4);
1079 PathFillConvex(col);
1080 }
1081
AddTriangle(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,ImU32 col,float thickness)1082 void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness)
1083 {
1084 if ((col & IM_COL32_A_MASK) == 0)
1085 return;
1086
1087 PathLineTo(p1);
1088 PathLineTo(p2);
1089 PathLineTo(p3);
1090 PathStroke(col, true, thickness);
1091 }
1092
AddTriangleFilled(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,ImU32 col)1093 void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col)
1094 {
1095 if ((col & IM_COL32_A_MASK) == 0)
1096 return;
1097
1098 PathLineTo(p1);
1099 PathLineTo(p2);
1100 PathLineTo(p3);
1101 PathFillConvex(col);
1102 }
1103
AddCircle(const ImVec2 & center,float radius,ImU32 col,int num_segments,float thickness)1104 void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1105 {
1106 if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f)
1107 return;
1108
1109 // Obtain segment count
1110 if (num_segments <= 0)
1111 {
1112 // Automatic segment count
1113 const int radius_idx = (int)radius - 1;
1114 if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts))
1115 num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value
1116 else
1117 num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError);
1118 }
1119 else
1120 {
1121 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1122 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1123 }
1124
1125 // Because we are filling a closed shape we remove 1 from the count of segments/points
1126 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1127 if (num_segments == 12)
1128 PathArcToFast(center, radius - 0.5f, 0, 12);
1129 else
1130 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1);
1131 PathStroke(col, true, thickness);
1132 }
1133
AddCircleFilled(const ImVec2 & center,float radius,ImU32 col,int num_segments)1134 void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1135 {
1136 if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f)
1137 return;
1138
1139 // Obtain segment count
1140 if (num_segments <= 0)
1141 {
1142 // Automatic segment count
1143 const int radius_idx = (int)radius - 1;
1144 if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts))
1145 num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value
1146 else
1147 num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError);
1148 }
1149 else
1150 {
1151 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes)
1152 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX);
1153 }
1154
1155 // Because we are filling a closed shape we remove 1 from the count of segments/points
1156 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1157 if (num_segments == 12)
1158 PathArcToFast(center, radius, 0, 12);
1159 else
1160 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1);
1161 PathFillConvex(col);
1162 }
1163
1164 // Guaranteed to honor 'num_segments'
AddNgon(const ImVec2 & center,float radius,ImU32 col,int num_segments,float thickness)1165 void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness)
1166 {
1167 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1168 return;
1169
1170 // Because we are filling a closed shape we remove 1 from the count of segments/points
1171 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1172 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1);
1173 PathStroke(col, true, thickness);
1174 }
1175
1176 // Guaranteed to honor 'num_segments'
AddNgonFilled(const ImVec2 & center,float radius,ImU32 col,int num_segments)1177 void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments)
1178 {
1179 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2)
1180 return;
1181
1182 // Because we are filling a closed shape we remove 1 from the count of segments/points
1183 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments;
1184 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1);
1185 PathFillConvex(col);
1186 }
1187
1188 // Cubic Bezier takes 4 controls points
AddBezierCurve(const ImVec2 & p1,const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,ImU32 col,float thickness,int num_segments)1189 void ImDrawList::AddBezierCurve(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments)
1190 {
1191 if ((col & IM_COL32_A_MASK) == 0)
1192 return;
1193
1194 PathLineTo(p1);
1195 PathBezierCurveTo(p2, p3, p4, num_segments);
1196 PathStroke(col, false, thickness);
1197 }
1198
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)1199 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)
1200 {
1201 if ((col & IM_COL32_A_MASK) == 0)
1202 return;
1203
1204 if (text_end == NULL)
1205 text_end = text_begin + strlen(text_begin);
1206 if (text_begin == text_end)
1207 return;
1208
1209 // Pull default font/size from the shared ImDrawListSharedData instance
1210 if (font == NULL)
1211 font = _Data->Font;
1212 if (font_size == 0.0f)
1213 font_size = _Data->FontSize;
1214
1215 IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1216
1217 ImVec4 clip_rect = _ClipRectStack.back();
1218 if (cpu_fine_clip_rect)
1219 {
1220 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
1221 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
1222 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
1223 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
1224 }
1225 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL);
1226 }
1227
AddText(const ImVec2 & pos,ImU32 col,const char * text_begin,const char * text_end)1228 void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1229 {
1230 AddText(NULL, 0.0f, pos, col, text_begin, text_end);
1231 }
1232
AddImage(ImTextureID user_texture_id,const ImVec2 & p_min,const ImVec2 & p_max,const ImVec2 & uv_min,const ImVec2 & uv_max,ImU32 col)1233 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)
1234 {
1235 if ((col & IM_COL32_A_MASK) == 0)
1236 return;
1237
1238 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1239 if (push_texture_id)
1240 PushTextureID(user_texture_id);
1241
1242 PrimReserve(6, 4);
1243 PrimRectUV(p_min, p_max, uv_min, uv_max, col);
1244
1245 if (push_texture_id)
1246 PopTextureID();
1247 }
1248
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)1249 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)
1250 {
1251 if ((col & IM_COL32_A_MASK) == 0)
1252 return;
1253
1254 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1255 if (push_texture_id)
1256 PushTextureID(user_texture_id);
1257
1258 PrimReserve(6, 4);
1259 PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col);
1260
1261 if (push_texture_id)
1262 PopTextureID();
1263 }
1264
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)1265 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)
1266 {
1267 if ((col & IM_COL32_A_MASK) == 0)
1268 return;
1269
1270 if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
1271 {
1272 AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col);
1273 return;
1274 }
1275
1276 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1277 if (push_texture_id)
1278 PushTextureID(user_texture_id);
1279
1280 int vert_start_idx = VtxBuffer.Size;
1281 PathRect(p_min, p_max, rounding, rounding_corners);
1282 PathFillConvex(col);
1283 int vert_end_idx = VtxBuffer.Size;
1284 ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true);
1285
1286 if (push_texture_id)
1287 PopTextureID();
1288 }
1289
1290
1291 //-----------------------------------------------------------------------------
1292 // ImDrawListSplitter
1293 //-----------------------------------------------------------------------------
1294 // FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap..
1295 //-----------------------------------------------------------------------------
1296
ClearFreeMemory()1297 void ImDrawListSplitter::ClearFreeMemory()
1298 {
1299 for (int i = 0; i < _Channels.Size; i++)
1300 {
1301 if (i == _Current)
1302 memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again
1303 _Channels[i]._CmdBuffer.clear();
1304 _Channels[i]._IdxBuffer.clear();
1305 }
1306 _Current = 0;
1307 _Count = 1;
1308 _Channels.clear();
1309 }
1310
Split(ImDrawList * draw_list,int channels_count)1311 void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count)
1312 {
1313 IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter.");
1314 int old_channels_count = _Channels.Size;
1315 if (old_channels_count < channels_count)
1316 _Channels.resize(channels_count);
1317 _Count = channels_count;
1318
1319 // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer
1320 // 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.
1321 // 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
1322 memset(&_Channels[0], 0, sizeof(ImDrawChannel));
1323 for (int i = 1; i < channels_count; i++)
1324 {
1325 if (i >= old_channels_count)
1326 {
1327 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
1328 }
1329 else
1330 {
1331 _Channels[i]._CmdBuffer.resize(0);
1332 _Channels[i]._IdxBuffer.resize(0);
1333 }
1334 if (_Channels[i]._CmdBuffer.Size == 0)
1335 {
1336 ImDrawCmd draw_cmd;
1337 draw_cmd.ClipRect = draw_list->_ClipRectStack.back();
1338 draw_cmd.TextureId = draw_list->_TextureIdStack.back();
1339 _Channels[i]._CmdBuffer.push_back(draw_cmd);
1340 }
1341 }
1342 }
1343
CanMergeDrawCommands(ImDrawCmd * a,ImDrawCmd * b)1344 static inline bool CanMergeDrawCommands(ImDrawCmd* a, ImDrawCmd* b)
1345 {
1346 return memcmp(&a->ClipRect, &b->ClipRect, sizeof(a->ClipRect)) == 0 && a->TextureId == b->TextureId && a->VtxOffset == b->VtxOffset && !a->UserCallback && !b->UserCallback;
1347 }
1348
Merge(ImDrawList * draw_list)1349 void ImDrawListSplitter::Merge(ImDrawList* draw_list)
1350 {
1351 // 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.
1352 if (_Count <= 1)
1353 return;
1354
1355 SetCurrentChannel(draw_list, 0);
1356 if (draw_list->CmdBuffer.Size != 0 && draw_list->CmdBuffer.back().ElemCount == 0)
1357 draw_list->CmdBuffer.pop_back();
1358
1359 // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command.
1360 int new_cmd_buffer_count = 0;
1361 int new_idx_buffer_count = 0;
1362 ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL;
1363 int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0;
1364 for (int i = 1; i < _Count; i++)
1365 {
1366 ImDrawChannel& ch = _Channels[i];
1367 if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0)
1368 ch._CmdBuffer.pop_back();
1369 if (ch._CmdBuffer.Size > 0 && last_cmd != NULL && CanMergeDrawCommands(last_cmd, &ch._CmdBuffer[0]))
1370 {
1371 // Merge previous channel last draw command with current channel first draw command if matching.
1372 last_cmd->ElemCount += ch._CmdBuffer[0].ElemCount;
1373 idx_offset += ch._CmdBuffer[0].ElemCount;
1374 ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges.
1375 }
1376 if (ch._CmdBuffer.Size > 0)
1377 last_cmd = &ch._CmdBuffer.back();
1378 new_cmd_buffer_count += ch._CmdBuffer.Size;
1379 new_idx_buffer_count += ch._IdxBuffer.Size;
1380 for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++)
1381 {
1382 ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset;
1383 idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount;
1384 }
1385 }
1386 draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count);
1387 draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count);
1388
1389 // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices)
1390 ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count;
1391 ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count;
1392 for (int i = 1; i < _Count; i++)
1393 {
1394 ImDrawChannel& ch = _Channels[i];
1395 if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
1396 if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; }
1397 }
1398 draw_list->_IdxWritePtr = idx_write;
1399 draw_list->UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
1400 draw_list->UpdateTextureID();
1401 _Count = 1;
1402 }
1403
SetCurrentChannel(ImDrawList * draw_list,int idx)1404 void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx)
1405 {
1406 IM_ASSERT(idx >= 0 && idx < _Count);
1407 if (_Current == idx)
1408 return;
1409 // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap()
1410 memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer));
1411 memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer));
1412 _Current = idx;
1413 memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer));
1414 memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer));
1415 draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size;
1416 }
1417
1418 //-----------------------------------------------------------------------------
1419 // [SECTION] ImDrawData
1420 //-----------------------------------------------------------------------------
1421
1422 // 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()1423 void ImDrawData::DeIndexAllBuffers()
1424 {
1425 ImVector<ImDrawVert> new_vtx_buffer;
1426 TotalVtxCount = TotalIdxCount = 0;
1427 for (int i = 0; i < CmdListsCount; i++)
1428 {
1429 ImDrawList* cmd_list = CmdLists[i];
1430 if (cmd_list->IdxBuffer.empty())
1431 continue;
1432 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
1433 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
1434 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
1435 cmd_list->VtxBuffer.swap(new_vtx_buffer);
1436 cmd_list->IdxBuffer.resize(0);
1437 TotalVtxCount += cmd_list->VtxBuffer.Size;
1438 }
1439 }
1440
1441 // Helper to scale the ClipRect field of each ImDrawCmd.
1442 // Use if your final output buffer is at a different scale than draw_data->DisplaySize,
1443 // or if there is a difference between your window resolution and framebuffer resolution.
ScaleClipRects(const ImVec2 & fb_scale)1444 void ImDrawData::ScaleClipRects(const ImVec2& fb_scale)
1445 {
1446 for (int i = 0; i < CmdListsCount; i++)
1447 {
1448 ImDrawList* cmd_list = CmdLists[i];
1449 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
1450 {
1451 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i];
1452 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);
1453 }
1454 }
1455 }
1456
1457 //-----------------------------------------------------------------------------
1458 // [SECTION] Helpers ShadeVertsXXX functions
1459 //-----------------------------------------------------------------------------
1460
1461 // 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)1462 void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
1463 {
1464 ImVec2 gradient_extent = gradient_p1 - gradient_p0;
1465 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
1466 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1467 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1468 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
1469 {
1470 float d = ImDot(vert->pos - gradient_p0, gradient_extent);
1471 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
1472 int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t);
1473 int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t);
1474 int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t);
1475 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
1476 }
1477 }
1478
1479 // 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)1480 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)
1481 {
1482 const ImVec2 size = b - a;
1483 const ImVec2 uv_size = uv_b - uv_a;
1484 const ImVec2 scale = ImVec2(
1485 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
1486 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
1487
1488 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
1489 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
1490 if (clamp)
1491 {
1492 const ImVec2 min = ImMin(uv_a, uv_b);
1493 const ImVec2 max = ImMax(uv_a, uv_b);
1494 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1495 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max);
1496 }
1497 else
1498 {
1499 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1500 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale);
1501 }
1502 }
1503
1504 //-----------------------------------------------------------------------------
1505 // [SECTION] ImFontConfig
1506 //-----------------------------------------------------------------------------
1507
ImFontConfig()1508 ImFontConfig::ImFontConfig()
1509 {
1510 FontData = NULL;
1511 FontDataSize = 0;
1512 FontDataOwnedByAtlas = true;
1513 FontNo = 0;
1514 SizePixels = 0.0f;
1515 OversampleH = 3; // FIXME: 2 may be a better default?
1516 OversampleV = 1;
1517 PixelSnapH = false;
1518 GlyphExtraSpacing = ImVec2(0.0f, 0.0f);
1519 GlyphOffset = ImVec2(0.0f, 0.0f);
1520 GlyphRanges = NULL;
1521 GlyphMinAdvanceX = 0.0f;
1522 GlyphMaxAdvanceX = FLT_MAX;
1523 MergeMode = false;
1524 RasterizerFlags = 0x00;
1525 RasterizerMultiply = 1.0f;
1526 EllipsisChar = (ImWchar)-1;
1527 memset(Name, 0, sizeof(Name));
1528 DstFont = NULL;
1529 }
1530
1531 //-----------------------------------------------------------------------------
1532 // [SECTION] ImFontAtlas
1533 //-----------------------------------------------------------------------------
1534
1535 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
1536 // The white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes.
1537 const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
1538 const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
1539 const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
1540 static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
1541 {
1542 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX "
1543 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X "
1544 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X "
1545 "X - X.X - X.....X - X.....X -X...X - X...X- X..X "
1546 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X "
1547 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX "
1548 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX "
1549 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX "
1550 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X "
1551 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X"
1552 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X"
1553 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X"
1554 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X"
1555 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X"
1556 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X"
1557 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X"
1558 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X "
1559 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X "
1560 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X "
1561 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X "
1562 " X..X - X...X - X...X - X..X X..X - - X........X "
1563 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX "
1564 "------------ - X - X -X.....................X- ------------------"
1565 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
1566 " - X..X X..X - "
1567 " - X.X X.X - "
1568 " - XX XX - "
1569 };
1570
1571 static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
1572 {
1573 // Pos ........ Size ......... Offset ......
1574 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
1575 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
1576 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
1577 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
1578 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
1579 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
1580 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
1581 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
1582 };
1583
ImFontAtlas()1584 ImFontAtlas::ImFontAtlas()
1585 {
1586 Locked = false;
1587 Flags = ImFontAtlasFlags_None;
1588 TexID = (ImTextureID)NULL;
1589 TexDesiredWidth = 0;
1590 TexGlyphPadding = 1;
1591
1592 TexPixelsAlpha8 = NULL;
1593 TexPixelsRGBA32 = NULL;
1594 TexWidth = TexHeight = 0;
1595 TexUvScale = ImVec2(0.0f, 0.0f);
1596 TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1597 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1598 CustomRectIds[n] = -1;
1599 }
1600
~ImFontAtlas()1601 ImFontAtlas::~ImFontAtlas()
1602 {
1603 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1604 Clear();
1605 }
1606
ClearInputData()1607 void ImFontAtlas::ClearInputData()
1608 {
1609 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1610 for (int i = 0; i < ConfigData.Size; i++)
1611 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas)
1612 {
1613 IM_FREE(ConfigData[i].FontData);
1614 ConfigData[i].FontData = NULL;
1615 }
1616
1617 // When clearing this we lose access to the font name and other information used to build the font.
1618 for (int i = 0; i < Fonts.Size; i++)
1619 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size)
1620 {
1621 Fonts[i]->ConfigData = NULL;
1622 Fonts[i]->ConfigDataCount = 0;
1623 }
1624 ConfigData.clear();
1625 CustomRects.clear();
1626 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1627 CustomRectIds[n] = -1;
1628 }
1629
ClearTexData()1630 void ImFontAtlas::ClearTexData()
1631 {
1632 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1633 if (TexPixelsAlpha8)
1634 IM_FREE(TexPixelsAlpha8);
1635 if (TexPixelsRGBA32)
1636 IM_FREE(TexPixelsRGBA32);
1637 TexPixelsAlpha8 = NULL;
1638 TexPixelsRGBA32 = NULL;
1639 }
1640
ClearFonts()1641 void ImFontAtlas::ClearFonts()
1642 {
1643 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1644 for (int i = 0; i < Fonts.Size; i++)
1645 IM_DELETE(Fonts[i]);
1646 Fonts.clear();
1647 }
1648
Clear()1649 void ImFontAtlas::Clear()
1650 {
1651 ClearInputData();
1652 ClearTexData();
1653 ClearFonts();
1654 }
1655
GetTexDataAsAlpha8(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1656 void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1657 {
1658 // Build atlas on demand
1659 if (TexPixelsAlpha8 == NULL)
1660 {
1661 if (ConfigData.empty())
1662 AddFontDefault();
1663 Build();
1664 }
1665
1666 *out_pixels = TexPixelsAlpha8;
1667 if (out_width) *out_width = TexWidth;
1668 if (out_height) *out_height = TexHeight;
1669 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
1670 }
1671
GetTexDataAsRGBA32(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1672 void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1673 {
1674 // Convert to RGBA32 format on demand
1675 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
1676 if (!TexPixelsRGBA32)
1677 {
1678 unsigned char* pixels = NULL;
1679 GetTexDataAsAlpha8(&pixels, NULL, NULL);
1680 if (pixels)
1681 {
1682 TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4);
1683 const unsigned char* src = pixels;
1684 unsigned int* dst = TexPixelsRGBA32;
1685 for (int n = TexWidth * TexHeight; n > 0; n--)
1686 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
1687 }
1688 }
1689
1690 *out_pixels = (unsigned char*)TexPixelsRGBA32;
1691 if (out_width) *out_width = TexWidth;
1692 if (out_height) *out_height = TexHeight;
1693 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
1694 }
1695
AddFont(const ImFontConfig * font_cfg)1696 ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
1697 {
1698 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1699 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
1700 IM_ASSERT(font_cfg->SizePixels > 0.0f);
1701
1702 // Create new font
1703 if (!font_cfg->MergeMode)
1704 Fonts.push_back(IM_NEW(ImFont));
1705 else
1706 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.
1707
1708 ConfigData.push_back(*font_cfg);
1709 ImFontConfig& new_font_cfg = ConfigData.back();
1710 if (new_font_cfg.DstFont == NULL)
1711 new_font_cfg.DstFont = Fonts.back();
1712 if (!new_font_cfg.FontDataOwnedByAtlas)
1713 {
1714 new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize);
1715 new_font_cfg.FontDataOwnedByAtlas = true;
1716 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
1717 }
1718
1719 if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1)
1720 new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar;
1721
1722 // Invalidate texture
1723 ClearTexData();
1724 return new_font_cfg.DstFont;
1725 }
1726
1727 // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
1728 static unsigned int stb_decompress_length(const unsigned char *input);
1729 static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length);
1730 static const char* GetDefaultCompressedFontDataTTFBase85();
Decode85Byte(char c)1731 static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
Decode85(const unsigned char * src,unsigned char * dst)1732 static void Decode85(const unsigned char* src, unsigned char* dst)
1733 {
1734 while (*src)
1735 {
1736 unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4]))));
1737 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.
1738 src += 5;
1739 dst += 4;
1740 }
1741 }
1742
1743 // Load embedded ProggyClean.ttf at size 13, disable oversampling
AddFontDefault(const ImFontConfig * font_cfg_template)1744 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
1745 {
1746 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1747 if (!font_cfg_template)
1748 {
1749 font_cfg.OversampleH = font_cfg.OversampleV = 1;
1750 font_cfg.PixelSnapH = true;
1751 }
1752 if (font_cfg.SizePixels <= 0.0f)
1753 font_cfg.SizePixels = 13.0f * 1.0f;
1754 if (font_cfg.Name[0] == '\0')
1755 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels);
1756 font_cfg.EllipsisChar = (ImWchar)0x0085;
1757
1758 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
1759 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
1760 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
1761 font->DisplayOffset.y = 1.0f;
1762 return font;
1763 }
1764
AddFontFromFileTTF(const char * filename,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1765 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1766 {
1767 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1768 size_t data_size = 0;
1769 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
1770 if (!data)
1771 {
1772 IM_ASSERT_USER_ERROR(0, "Could not load font file!");
1773 return NULL;
1774 }
1775 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1776 if (font_cfg.Name[0] == '\0')
1777 {
1778 // Store a short copy of filename into into the font name for convenience
1779 const char* p;
1780 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
1781 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels);
1782 }
1783 return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges);
1784 }
1785
1786 // 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)1787 ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1788 {
1789 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1790 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1791 IM_ASSERT(font_cfg.FontData == NULL);
1792 font_cfg.FontData = ttf_data;
1793 font_cfg.FontDataSize = ttf_size;
1794 font_cfg.SizePixels = size_pixels;
1795 if (glyph_ranges)
1796 font_cfg.GlyphRanges = glyph_ranges;
1797 return AddFont(&font_cfg);
1798 }
1799
AddFontFromMemoryCompressedTTF(const void * compressed_ttf_data,int compressed_ttf_size,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1800 ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1801 {
1802 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data);
1803 unsigned char* buf_decompressed_data = (unsigned char *)IM_ALLOC(buf_decompressed_size);
1804 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
1805
1806 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1807 IM_ASSERT(font_cfg.FontData == NULL);
1808 font_cfg.FontDataOwnedByAtlas = true;
1809 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
1810 }
1811
AddFontFromMemoryCompressedBase85TTF(const char * compressed_ttf_data_base85,float size_pixels,const ImFontConfig * font_cfg,const ImWchar * glyph_ranges)1812 ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
1813 {
1814 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
1815 void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size);
1816 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
1817 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
1818 IM_FREE(compressed_ttf);
1819 return font;
1820 }
1821
AddCustomRectRegular(unsigned int id,int width,int height)1822 int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
1823 {
1824 // Breaking change on 2019/11/21 (1.74): ImFontAtlas::AddCustomRectRegular() now requires an ID >= 0x110000 (instead of >= 0x10000)
1825 IM_ASSERT(id >= 0x110000);
1826 IM_ASSERT(width > 0 && width <= 0xFFFF);
1827 IM_ASSERT(height > 0 && height <= 0xFFFF);
1828 ImFontAtlasCustomRect r;
1829 r.ID = id;
1830 r.Width = (unsigned short)width;
1831 r.Height = (unsigned short)height;
1832 CustomRects.push_back(r);
1833 return CustomRects.Size - 1; // Return index
1834 }
1835
AddCustomRectFontGlyph(ImFont * font,ImWchar id,int width,int height,float advance_x,const ImVec2 & offset)1836 int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
1837 {
1838 IM_ASSERT(font != NULL);
1839 IM_ASSERT(width > 0 && width <= 0xFFFF);
1840 IM_ASSERT(height > 0 && height <= 0xFFFF);
1841 ImFontAtlasCustomRect r;
1842 r.ID = id;
1843 r.Width = (unsigned short)width;
1844 r.Height = (unsigned short)height;
1845 r.GlyphAdvanceX = advance_x;
1846 r.GlyphOffset = offset;
1847 r.Font = font;
1848 CustomRects.push_back(r);
1849 return CustomRects.Size - 1; // Return index
1850 }
1851
CalcCustomRectUV(const ImFontAtlasCustomRect * rect,ImVec2 * out_uv_min,ImVec2 * out_uv_max) const1852 void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const
1853 {
1854 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
1855 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
1856 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
1857 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
1858 }
1859
GetMouseCursorTexData(ImGuiMouseCursor cursor_type,ImVec2 * out_offset,ImVec2 * out_size,ImVec2 out_uv_border[2],ImVec2 out_uv_fill[2])1860 bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
1861 {
1862 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
1863 return false;
1864 if (Flags & ImFontAtlasFlags_NoMouseCursors)
1865 return false;
1866
1867 IM_ASSERT(CustomRectIds[0] != -1);
1868 ImFontAtlasCustomRect& r = CustomRects[CustomRectIds[0]];
1869 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
1870 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y);
1871 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
1872 *out_size = size;
1873 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
1874 out_uv_border[0] = (pos) * TexUvScale;
1875 out_uv_border[1] = (pos + size) * TexUvScale;
1876 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
1877 out_uv_fill[0] = (pos) * TexUvScale;
1878 out_uv_fill[1] = (pos + size) * TexUvScale;
1879 return true;
1880 }
1881
Build()1882 bool ImFontAtlas::Build()
1883 {
1884 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
1885 return ImFontAtlasBuildWithStbTruetype(this);
1886 }
1887
ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256],float in_brighten_factor)1888 void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
1889 {
1890 for (unsigned int i = 0; i < 256; i++)
1891 {
1892 unsigned int value = (unsigned int)(i * in_brighten_factor);
1893 out_table[i] = value > 255 ? 255 : (value & 0xFF);
1894 }
1895 }
1896
ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256],unsigned char * pixels,int x,int y,int w,int h,int stride)1897 void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
1898 {
1899 unsigned char* data = pixels + x + y * stride;
1900 for (int j = h; j > 0; j--, data += stride)
1901 for (int i = 0; i < w; i++)
1902 data[i] = table[data[i]];
1903 }
1904
1905 // Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
1906 // (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
1907 struct ImFontBuildSrcData
1908 {
1909 stbtt_fontinfo FontInfo;
1910 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
1911 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
1912 stbtt_packedchar* PackedChars; // Output glyphs
1913 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
1914 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
1915 int GlyphsHighest; // Highest requested codepoint
1916 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
1917 ImBoolVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
1918 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap)
1919 };
1920
1921 // Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
1922 struct ImFontBuildDstData
1923 {
1924 int SrcCount; // Number of source fonts targeting this destination font.
1925 int GlyphsHighest;
1926 int GlyphsCount;
1927 ImBoolVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
1928 };
1929
UnpackBoolVectorToFlatIndexList(const ImBoolVector * in,ImVector<int> * out)1930 static void UnpackBoolVectorToFlatIndexList(const ImBoolVector* in, ImVector<int>* out)
1931 {
1932 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
1933 const int* it_begin = in->Storage.begin();
1934 const int* it_end = in->Storage.end();
1935 for (const int* it = it_begin; it < it_end; it++)
1936 if (int entries_32 = *it)
1937 for (int bit_n = 0; bit_n < 32; bit_n++)
1938 if (entries_32 & (1u << bit_n))
1939 out->push_back((int)((it - it_begin) << 5) + bit_n);
1940 }
1941
ImFontAtlasBuildWithStbTruetype(ImFontAtlas * atlas)1942 bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
1943 {
1944 IM_ASSERT(atlas->ConfigData.Size > 0);
1945
1946 ImFontAtlasBuildRegisterDefaultCustomRects(atlas);
1947
1948 // Clear atlas
1949 atlas->TexID = (ImTextureID)NULL;
1950 atlas->TexWidth = atlas->TexHeight = 0;
1951 atlas->TexUvScale = ImVec2(0.0f, 0.0f);
1952 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1953 atlas->ClearTexData();
1954
1955 // Temporary storage for building
1956 ImVector<ImFontBuildSrcData> src_tmp_array;
1957 ImVector<ImFontBuildDstData> dst_tmp_array;
1958 src_tmp_array.resize(atlas->ConfigData.Size);
1959 dst_tmp_array.resize(atlas->Fonts.Size);
1960 memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes());
1961 memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes());
1962
1963 // 1. Initialize font loading structure, check font data validity
1964 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
1965 {
1966 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1967 ImFontConfig& cfg = atlas->ConfigData[src_i];
1968 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
1969
1970 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
1971 src_tmp.DstIndex = -1;
1972 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
1973 if (cfg.DstFont == atlas->Fonts[output_i])
1974 src_tmp.DstIndex = output_i;
1975 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
1976 if (src_tmp.DstIndex == -1)
1977 return false;
1978
1979 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct
1980 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
1981 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
1982 if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
1983 return false;
1984
1985 // Measure highest codepoints
1986 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
1987 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
1988 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
1989 src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
1990 dst_tmp.SrcCount++;
1991 dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest);
1992 }
1993
1994 // 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.
1995 int total_glyphs_count = 0;
1996 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
1997 {
1998 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
1999 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
2000 src_tmp.GlyphsSet.Resize(src_tmp.GlyphsHighest + 1);
2001 if (dst_tmp.GlyphsSet.Storage.empty())
2002 dst_tmp.GlyphsSet.Resize(dst_tmp.GlyphsHighest + 1);
2003
2004 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
2005 for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
2006 {
2007 if (dst_tmp.GlyphsSet.GetBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true)
2008 continue;
2009 if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font?
2010 continue;
2011
2012 // Add to avail set/counters
2013 src_tmp.GlyphsCount++;
2014 dst_tmp.GlyphsCount++;
2015 src_tmp.GlyphsSet.SetBit(codepoint, true);
2016 dst_tmp.GlyphsSet.SetBit(codepoint, true);
2017 total_glyphs_count++;
2018 }
2019 }
2020
2021 // 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)
2022 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2023 {
2024 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2025 src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount);
2026 UnpackBoolVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList);
2027 src_tmp.GlyphsSet.Clear();
2028 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
2029 }
2030 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
2031 dst_tmp_array[dst_i].GlyphsSet.Clear();
2032 dst_tmp_array.clear();
2033
2034 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
2035 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
2036 ImVector<stbrp_rect> buf_rects;
2037 ImVector<stbtt_packedchar> buf_packedchars;
2038 buf_rects.resize(total_glyphs_count);
2039 buf_packedchars.resize(total_glyphs_count);
2040 memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes());
2041 memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes());
2042
2043 // 4. Gather glyphs sizes so we can pack them in our virtual canvas.
2044 int total_surface = 0;
2045 int buf_rects_out_n = 0;
2046 int buf_packedchars_out_n = 0;
2047 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2048 {
2049 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2050 if (src_tmp.GlyphsCount == 0)
2051 continue;
2052
2053 src_tmp.Rects = &buf_rects[buf_rects_out_n];
2054 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
2055 buf_rects_out_n += src_tmp.GlyphsCount;
2056 buf_packedchars_out_n += src_tmp.GlyphsCount;
2057
2058 // Convert our ranges in the format stb_truetype wants
2059 ImFontConfig& cfg = atlas->ConfigData[src_i];
2060 src_tmp.PackRange.font_size = cfg.SizePixels;
2061 src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
2062 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
2063 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
2064 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
2065 src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH;
2066 src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV;
2067
2068 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
2069 const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels);
2070 const int padding = atlas->TexGlyphPadding;
2071 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
2072 {
2073 int x0, y0, x1, y1;
2074 const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]);
2075 IM_ASSERT(glyph_index_in_font != 0);
2076 stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1);
2077 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1);
2078 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1);
2079 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
2080 }
2081 }
2082
2083 // We need a width for the skyline algorithm, any width!
2084 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
2085 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
2086 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
2087 atlas->TexHeight = 0;
2088 if (atlas->TexDesiredWidth > 0)
2089 atlas->TexWidth = atlas->TexDesiredWidth;
2090 else
2091 atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512;
2092
2093 // 5. Start packing
2094 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
2095 const int TEX_HEIGHT_MAX = 1024 * 32;
2096 stbtt_pack_context spc = {};
2097 stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL);
2098 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
2099
2100 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
2101 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2102 {
2103 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2104 if (src_tmp.GlyphsCount == 0)
2105 continue;
2106
2107 stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount);
2108
2109 // Extend texture height and mark missing glyphs as non-packed so we won't render them.
2110 // 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?)
2111 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
2112 if (src_tmp.Rects[glyph_i].was_packed)
2113 atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
2114 }
2115
2116 // 7. Allocate texture
2117 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
2118 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
2119 atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight);
2120 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
2121 spc.pixels = atlas->TexPixelsAlpha8;
2122 spc.height = atlas->TexHeight;
2123
2124 // 8. Render/rasterize font characters into the texture
2125 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2126 {
2127 ImFontConfig& cfg = atlas->ConfigData[src_i];
2128 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2129 if (src_tmp.GlyphsCount == 0)
2130 continue;
2131
2132 stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects);
2133
2134 // Apply multiply operator
2135 if (cfg.RasterizerMultiply != 1.0f)
2136 {
2137 unsigned char multiply_table[256];
2138 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
2139 stbrp_rect* r = &src_tmp.Rects[0];
2140 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
2141 if (r->was_packed)
2142 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1);
2143 }
2144 src_tmp.Rects = NULL;
2145 }
2146
2147 // End packing
2148 stbtt_PackEnd(&spc);
2149 buf_rects.clear();
2150
2151 // 9. Setup ImFont and glyphs for runtime
2152 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2153 {
2154 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
2155 if (src_tmp.GlyphsCount == 0)
2156 continue;
2157
2158 ImFontConfig& cfg = atlas->ConfigData[src_i];
2159 ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
2160
2161 const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels);
2162 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
2163 stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
2164
2165 const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1));
2166 const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
2167 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
2168 const float font_off_x = cfg.GlyphOffset.x;
2169 const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent);
2170
2171 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
2172 {
2173 const int codepoint = src_tmp.GlyphsList[glyph_i];
2174 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
2175
2176 const float char_advance_x_org = pc.xadvance;
2177 const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX);
2178 float char_off_x = font_off_x;
2179 if (char_advance_x_org != char_advance_x_mod)
2180 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;
2181
2182 // Register glyph
2183 stbtt_aligned_quad q;
2184 float dummy_x = 0.0f, dummy_y = 0.0f;
2185 stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0);
2186 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);
2187 }
2188 }
2189
2190 // Cleanup temporary (ImVector doesn't honor destructor)
2191 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
2192 src_tmp_array[src_i].~ImFontBuildSrcData();
2193
2194 ImFontAtlasBuildFinish(atlas);
2195 return true;
2196 }
2197
ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas * atlas)2198 void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas)
2199 {
2200 if (atlas->CustomRectIds[0] >= 0)
2201 return;
2202 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2203 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);
2204 else
2205 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2);
2206 }
2207
ImFontAtlasBuildSetupFont(ImFontAtlas * atlas,ImFont * font,ImFontConfig * font_config,float ascent,float descent)2208 void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
2209 {
2210 if (!font_config->MergeMode)
2211 {
2212 font->ClearOutputData();
2213 font->FontSize = font_config->SizePixels;
2214 font->ConfigData = font_config;
2215 font->ContainerAtlas = atlas;
2216 font->Ascent = ascent;
2217 font->Descent = descent;
2218 }
2219 font->ConfigDataCount++;
2220 }
2221
ImFontAtlasBuildPackCustomRects(ImFontAtlas * atlas,void * stbrp_context_opaque)2222 void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
2223 {
2224 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
2225 IM_ASSERT(pack_context != NULL);
2226
2227 ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects;
2228 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
2229
2230 ImVector<stbrp_rect> pack_rects;
2231 pack_rects.resize(user_rects.Size);
2232 memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes());
2233 for (int i = 0; i < user_rects.Size; i++)
2234 {
2235 pack_rects[i].w = user_rects[i].Width;
2236 pack_rects[i].h = user_rects[i].Height;
2237 }
2238 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
2239 for (int i = 0; i < pack_rects.Size; i++)
2240 if (pack_rects[i].was_packed)
2241 {
2242 user_rects[i].X = pack_rects[i].x;
2243 user_rects[i].Y = pack_rects[i].y;
2244 IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
2245 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
2246 }
2247 }
2248
ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas * atlas)2249 static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
2250 {
2251 IM_ASSERT(atlas->CustomRectIds[0] >= 0);
2252 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL);
2253 ImFontAtlasCustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]];
2254 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
2255 IM_ASSERT(r.IsPacked());
2256
2257 const int w = atlas->TexWidth;
2258 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
2259 {
2260 // Render/copy pixels
2261 IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
2262 for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++)
2263 for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++)
2264 {
2265 const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w;
2266 const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
2267 atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00;
2268 atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00;
2269 }
2270 }
2271 else
2272 {
2273 IM_ASSERT(r.Width == 2 && r.Height == 2);
2274 const int offset = (int)(r.X) + (int)(r.Y) * w;
2275 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
2276 }
2277 atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y);
2278 }
2279
ImFontAtlasBuildFinish(ImFontAtlas * atlas)2280 void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
2281 {
2282 // Render into our custom data block
2283 ImFontAtlasBuildRenderDefaultTexData(atlas);
2284
2285 // Register custom rectangle glyphs
2286 for (int i = 0; i < atlas->CustomRects.Size; i++)
2287 {
2288 const ImFontAtlasCustomRect& r = atlas->CustomRects[i];
2289 if (r.Font == NULL || r.ID >= 0x110000)
2290 continue;
2291
2292 IM_ASSERT(r.Font->ContainerAtlas == atlas);
2293 ImVec2 uv0, uv1;
2294 atlas->CalcCustomRectUV(&r, &uv0, &uv1);
2295 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);
2296 }
2297
2298 // Build all fonts lookup tables
2299 for (int i = 0; i < atlas->Fonts.Size; i++)
2300 if (atlas->Fonts[i]->DirtyLookupTables)
2301 atlas->Fonts[i]->BuildLookupTable();
2302
2303 // Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis).
2304 // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character.
2305 // 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.
2306 for (int i = 0; i < atlas->Fonts.size(); i++)
2307 {
2308 ImFont* font = atlas->Fonts[i];
2309 if (font->EllipsisChar != (ImWchar)-1)
2310 continue;
2311 const ImWchar ellipsis_variants[] = { (ImWchar)0x2026, (ImWchar)0x0085 };
2312 for (int j = 0; j < IM_ARRAYSIZE(ellipsis_variants); j++)
2313 if (font->FindGlyphNoFallback(ellipsis_variants[j]) != NULL) // Verify glyph exists
2314 {
2315 font->EllipsisChar = ellipsis_variants[j];
2316 break;
2317 }
2318 }
2319 }
2320
2321 // Retrieve list of range (2 int per range, values are inclusive)
GetGlyphRangesDefault()2322 const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
2323 {
2324 static const ImWchar ranges[] =
2325 {
2326 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2327 0,
2328 };
2329 return &ranges[0];
2330 }
2331
GetGlyphRangesKorean()2332 const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
2333 {
2334 static const ImWchar ranges[] =
2335 {
2336 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2337 0x3131, 0x3163, // Korean alphabets
2338 0xAC00, 0xD79D, // Korean characters
2339 0,
2340 };
2341 return &ranges[0];
2342 }
2343
GetGlyphRangesChineseFull()2344 const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
2345 {
2346 static const ImWchar ranges[] =
2347 {
2348 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2349 0x2000, 0x206F, // General Punctuation
2350 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2351 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2352 0xFF00, 0xFFEF, // Half-width characters
2353 0x4e00, 0x9FAF, // CJK Ideograms
2354 0,
2355 };
2356 return &ranges[0];
2357 }
2358
UnpackAccumulativeOffsetsIntoRanges(int base_codepoint,const short * accumulative_offsets,int accumulative_offsets_count,ImWchar * out_ranges)2359 static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
2360 {
2361 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
2362 {
2363 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
2364 base_codepoint += accumulative_offsets[n];
2365 }
2366 out_ranges[0] = 0;
2367 }
2368
2369 //-------------------------------------------------------------------------
2370 // [SECTION] ImFontAtlas glyph ranges helpers
2371 //-------------------------------------------------------------------------
2372
GetGlyphRangesChineseSimplifiedCommon()2373 const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
2374 {
2375 // Store 2500 regularly used characters for Simplified Chinese.
2376 // 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
2377 // This table covers 97.97% of all characters used during the month in July, 1987.
2378 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2379 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2380 static const short accumulative_offsets_from_0x4E00[] =
2381 {
2382 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,
2383 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,
2384 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,
2385 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,
2386 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,
2387 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,
2388 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,
2389 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,
2390 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,
2391 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,
2392 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,
2393 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,
2394 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,
2395 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,
2396 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,
2397 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,
2398 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,
2399 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,
2400 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,
2401 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,
2402 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,
2403 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,
2404 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,
2405 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,
2406 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,
2407 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,
2408 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,
2409 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,
2410 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,
2411 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,
2412 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,
2413 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,
2414 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,
2415 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,
2416 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,
2417 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,
2418 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,
2419 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,
2420 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,
2421 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
2422 };
2423 static ImWchar base_ranges[] = // not zero-terminated
2424 {
2425 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2426 0x2000, 0x206F, // General Punctuation
2427 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2428 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2429 0xFF00, 0xFFEF // Half-width characters
2430 };
2431 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
2432 if (!full_ranges[0])
2433 {
2434 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2435 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2436 }
2437 return &full_ranges[0];
2438 }
2439
GetGlyphRangesJapanese()2440 const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
2441 {
2442 // 1946 common ideograms code points for Japanese
2443 // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering
2444 // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this.
2445 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
2446 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
2447 static const short accumulative_offsets_from_0x4E00[] =
2448 {
2449 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,
2450 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,
2451 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,
2452 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,
2453 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,
2454 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,
2455 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,
2456 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,
2457 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,
2458 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,
2459 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,
2460 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,
2461 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,
2462 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,
2463 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,
2464 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,
2465 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,
2466 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,
2467 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,
2468 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,
2469 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,
2470 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,
2471 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,
2472 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,
2473 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,
2474 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,
2475 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,
2476 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,
2477 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,
2478 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,
2479 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,
2480 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,
2481 };
2482 static ImWchar base_ranges[] = // not zero-terminated
2483 {
2484 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2485 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana
2486 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2487 0xFF00, 0xFFEF // Half-width characters
2488 };
2489 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
2490 if (!full_ranges[0])
2491 {
2492 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2493 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
2494 }
2495 return &full_ranges[0];
2496 }
2497
GetGlyphRangesCyrillic()2498 const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
2499 {
2500 static const ImWchar ranges[] =
2501 {
2502 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2503 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
2504 0x2DE0, 0x2DFF, // Cyrillic Extended-A
2505 0xA640, 0xA69F, // Cyrillic Extended-B
2506 0,
2507 };
2508 return &ranges[0];
2509 }
2510
GetGlyphRangesThai()2511 const ImWchar* ImFontAtlas::GetGlyphRangesThai()
2512 {
2513 static const ImWchar ranges[] =
2514 {
2515 0x0020, 0x00FF, // Basic Latin
2516 0x2010, 0x205E, // Punctuations
2517 0x0E00, 0x0E7F, // Thai
2518 0,
2519 };
2520 return &ranges[0];
2521 }
2522
GetGlyphRangesVietnamese()2523 const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese()
2524 {
2525 static const ImWchar ranges[] =
2526 {
2527 0x0020, 0x00FF, // Basic Latin
2528 0x0102, 0x0103,
2529 0x0110, 0x0111,
2530 0x0128, 0x0129,
2531 0x0168, 0x0169,
2532 0x01A0, 0x01A1,
2533 0x01AF, 0x01B0,
2534 0x1EA0, 0x1EF9,
2535 0,
2536 };
2537 return &ranges[0];
2538 }
2539
2540 //-----------------------------------------------------------------------------
2541 // [SECTION] ImFontGlyphRangesBuilder
2542 //-----------------------------------------------------------------------------
2543
AddText(const char * text,const char * text_end)2544 void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
2545 {
2546 while (text_end ? (text < text_end) : *text)
2547 {
2548 unsigned int c = 0;
2549 int c_len = ImTextCharFromUtf8(&c, text, text_end);
2550 text += c_len;
2551 if (c_len == 0)
2552 break;
2553 if (c <= IM_UNICODE_CODEPOINT_MAX)
2554 AddChar((ImWchar)c);
2555 }
2556 }
2557
AddRanges(const ImWchar * ranges)2558 void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
2559 {
2560 for (; ranges[0]; ranges += 2)
2561 for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
2562 AddChar(c);
2563 }
2564
BuildRanges(ImVector<ImWchar> * out_ranges)2565 void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
2566 {
2567 const int max_codepoint = IM_UNICODE_CODEPOINT_MAX;
2568 for (int n = 0; n <= max_codepoint; n++)
2569 if (GetBit(n))
2570 {
2571 out_ranges->push_back((ImWchar)n);
2572 while (n < max_codepoint && GetBit(n + 1))
2573 n++;
2574 out_ranges->push_back((ImWchar)n);
2575 }
2576 out_ranges->push_back(0);
2577 }
2578
2579 //-----------------------------------------------------------------------------
2580 // [SECTION] ImFont
2581 //-----------------------------------------------------------------------------
2582
ImFont()2583 ImFont::ImFont()
2584 {
2585 FontSize = 0.0f;
2586 FallbackAdvanceX = 0.0f;
2587 FallbackChar = (ImWchar)'?';
2588 EllipsisChar = (ImWchar)-1;
2589 DisplayOffset = ImVec2(0.0f, 0.0f);
2590 FallbackGlyph = NULL;
2591 ContainerAtlas = NULL;
2592 ConfigData = NULL;
2593 ConfigDataCount = 0;
2594 DirtyLookupTables = false;
2595 Scale = 1.0f;
2596 Ascent = Descent = 0.0f;
2597 MetricsTotalSurface = 0;
2598 }
2599
~ImFont()2600 ImFont::~ImFont()
2601 {
2602 ClearOutputData();
2603 }
2604
ClearOutputData()2605 void ImFont::ClearOutputData()
2606 {
2607 FontSize = 0.0f;
2608 FallbackAdvanceX = 0.0f;
2609 Glyphs.clear();
2610 IndexAdvanceX.clear();
2611 IndexLookup.clear();
2612 FallbackGlyph = NULL;
2613 ContainerAtlas = NULL;
2614 DirtyLookupTables = true;
2615 Ascent = Descent = 0.0f;
2616 MetricsTotalSurface = 0;
2617 }
2618
BuildLookupTable()2619 void ImFont::BuildLookupTable()
2620 {
2621 int max_codepoint = 0;
2622 for (int i = 0; i != Glyphs.Size; i++)
2623 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
2624
2625 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
2626 IndexAdvanceX.clear();
2627 IndexLookup.clear();
2628 DirtyLookupTables = false;
2629 GrowIndex(max_codepoint + 1);
2630 for (int i = 0; i < Glyphs.Size; i++)
2631 {
2632 int codepoint = (int)Glyphs[i].Codepoint;
2633 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
2634 IndexLookup[codepoint] = (ImWchar)i;
2635 }
2636
2637 // Create a glyph to handle TAB
2638 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
2639 if (FindGlyph((ImWchar)' '))
2640 {
2641 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
2642 Glyphs.resize(Glyphs.Size + 1);
2643 ImFontGlyph& tab_glyph = Glyphs.back();
2644 tab_glyph = *FindGlyph((ImWchar)' ');
2645 tab_glyph.Codepoint = '\t';
2646 tab_glyph.AdvanceX *= IM_TABSIZE;
2647 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
2648 IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1);
2649 }
2650
2651 FallbackGlyph = FindGlyphNoFallback(FallbackChar);
2652 FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f;
2653 for (int i = 0; i < max_codepoint + 1; i++)
2654 if (IndexAdvanceX[i] < 0.0f)
2655 IndexAdvanceX[i] = FallbackAdvanceX;
2656 }
2657
SetFallbackChar(ImWchar c)2658 void ImFont::SetFallbackChar(ImWchar c)
2659 {
2660 FallbackChar = c;
2661 BuildLookupTable();
2662 }
2663
GrowIndex(int new_size)2664 void ImFont::GrowIndex(int new_size)
2665 {
2666 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
2667 if (new_size <= IndexLookup.Size)
2668 return;
2669 IndexAdvanceX.resize(new_size, -1.0f);
2670 IndexLookup.resize(new_size, (ImWchar)-1);
2671 }
2672
2673 // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
2674 // 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)2675 void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
2676 {
2677 Glyphs.resize(Glyphs.Size + 1);
2678 ImFontGlyph& glyph = Glyphs.back();
2679 glyph.Codepoint = (ImWchar)codepoint;
2680 glyph.X0 = x0;
2681 glyph.Y0 = y0;
2682 glyph.X1 = x1;
2683 glyph.Y1 = y1;
2684 glyph.U0 = u0;
2685 glyph.V0 = v0;
2686 glyph.U1 = u1;
2687 glyph.V1 = v1;
2688 glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
2689
2690 if (ConfigData->PixelSnapH)
2691 glyph.AdvanceX = IM_ROUND(glyph.AdvanceX);
2692
2693 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
2694 DirtyLookupTables = true;
2695 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f);
2696 }
2697
AddRemapChar(ImWchar dst,ImWchar src,bool overwrite_dst)2698 void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
2699 {
2700 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
2701 unsigned int index_size = (unsigned int)IndexLookup.Size;
2702
2703 if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
2704 return;
2705 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
2706 return;
2707
2708 GrowIndex(dst + 1);
2709 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1;
2710 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
2711 }
2712
FindGlyph(ImWchar c) const2713 const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
2714 {
2715 if (c >= IndexLookup.Size)
2716 return FallbackGlyph;
2717 const ImWchar i = IndexLookup.Data[c];
2718 if (i == (ImWchar)-1)
2719 return FallbackGlyph;
2720 return &Glyphs.Data[i];
2721 }
2722
FindGlyphNoFallback(ImWchar c) const2723 const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
2724 {
2725 if (c >= IndexLookup.Size)
2726 return NULL;
2727 const ImWchar i = IndexLookup.Data[c];
2728 if (i == (ImWchar)-1)
2729 return NULL;
2730 return &Glyphs.Data[i];
2731 }
2732
CalcWordWrapPositionA(float scale,const char * text,const char * text_end,float wrap_width) const2733 const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
2734 {
2735 // Simple word-wrapping for English, not full-featured. Please submit failing cases!
2736 // 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.)
2737
2738 // For references, possible wrap point marked with ^
2739 // "aaa bbb, ccc,ddd. eee fff. ggg!"
2740 // ^ ^ ^ ^ ^__ ^ ^
2741
2742 // List of hardcoded separators: .,;!?'"
2743
2744 // Skip extra blanks after a line returns (that includes not counting them in width computation)
2745 // e.g. "Hello world" --> "Hello" "World"
2746
2747 // Cut words that cannot possibly fit within one line.
2748 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
2749
2750 float line_width = 0.0f;
2751 float word_width = 0.0f;
2752 float blank_width = 0.0f;
2753 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
2754
2755 const char* word_end = text;
2756 const char* prev_word_end = NULL;
2757 bool inside_word = true;
2758
2759 const char* s = text;
2760 while (s < text_end)
2761 {
2762 unsigned int c = (unsigned int)*s;
2763 const char* next_s;
2764 if (c < 0x80)
2765 next_s = s + 1;
2766 else
2767 next_s = s + ImTextCharFromUtf8(&c, s, text_end);
2768 if (c == 0)
2769 break;
2770
2771 if (c < 32)
2772 {
2773 if (c == '\n')
2774 {
2775 line_width = word_width = blank_width = 0.0f;
2776 inside_word = true;
2777 s = next_s;
2778 continue;
2779 }
2780 if (c == '\r')
2781 {
2782 s = next_s;
2783 continue;
2784 }
2785 }
2786
2787 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
2788 if (ImCharIsBlankW(c))
2789 {
2790 if (inside_word)
2791 {
2792 line_width += blank_width;
2793 blank_width = 0.0f;
2794 word_end = s;
2795 }
2796 blank_width += char_width;
2797 inside_word = false;
2798 }
2799 else
2800 {
2801 word_width += char_width;
2802 if (inside_word)
2803 {
2804 word_end = next_s;
2805 }
2806 else
2807 {
2808 prev_word_end = word_end;
2809 line_width += word_width + blank_width;
2810 word_width = blank_width = 0.0f;
2811 }
2812
2813 // Allow wrapping after punctuation.
2814 inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"');
2815 }
2816
2817 // We ignore blank width at the end of the line (they can be skipped)
2818 if (line_width + word_width > wrap_width)
2819 {
2820 // Words that cannot possibly fit within an entire line will be cut anywhere.
2821 if (word_width < wrap_width)
2822 s = prev_word_end ? prev_word_end : word_end;
2823 break;
2824 }
2825
2826 s = next_s;
2827 }
2828
2829 return s;
2830 }
2831
CalcTextSizeA(float size,float max_width,float wrap_width,const char * text_begin,const char * text_end,const char ** remaining) const2832 ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
2833 {
2834 if (!text_end)
2835 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
2836
2837 const float line_height = size;
2838 const float scale = size / FontSize;
2839
2840 ImVec2 text_size = ImVec2(0,0);
2841 float line_width = 0.0f;
2842
2843 const bool word_wrap_enabled = (wrap_width > 0.0f);
2844 const char* word_wrap_eol = NULL;
2845
2846 const char* s = text_begin;
2847 while (s < text_end)
2848 {
2849 if (word_wrap_enabled)
2850 {
2851 // 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.
2852 if (!word_wrap_eol)
2853 {
2854 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
2855 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2856 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
2857 }
2858
2859 if (s >= word_wrap_eol)
2860 {
2861 if (text_size.x < line_width)
2862 text_size.x = line_width;
2863 text_size.y += line_height;
2864 line_width = 0.0f;
2865 word_wrap_eol = NULL;
2866
2867 // Wrapping skips upcoming blanks
2868 while (s < text_end)
2869 {
2870 const char c = *s;
2871 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2872 }
2873 continue;
2874 }
2875 }
2876
2877 // Decode and advance source
2878 const char* prev_s = s;
2879 unsigned int c = (unsigned int)*s;
2880 if (c < 0x80)
2881 {
2882 s += 1;
2883 }
2884 else
2885 {
2886 s += ImTextCharFromUtf8(&c, s, text_end);
2887 if (c == 0) // Malformed UTF-8?
2888 break;
2889 }
2890
2891 if (c < 32)
2892 {
2893 if (c == '\n')
2894 {
2895 text_size.x = ImMax(text_size.x, line_width);
2896 text_size.y += line_height;
2897 line_width = 0.0f;
2898 continue;
2899 }
2900 if (c == '\r')
2901 continue;
2902 }
2903
2904 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
2905 if (line_width + char_width >= max_width)
2906 {
2907 s = prev_s;
2908 break;
2909 }
2910
2911 line_width += char_width;
2912 }
2913
2914 if (text_size.x < line_width)
2915 text_size.x = line_width;
2916
2917 if (line_width > 0 || text_size.y == 0.0f)
2918 text_size.y += line_height;
2919
2920 if (remaining)
2921 *remaining = s;
2922
2923 return text_size;
2924 }
2925
RenderChar(ImDrawList * draw_list,float size,ImVec2 pos,ImU32 col,ImWchar c) const2926 void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const
2927 {
2928 if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.
2929 return;
2930 if (const ImFontGlyph* glyph = FindGlyph(c))
2931 {
2932 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
2933 pos.x = IM_FLOOR(pos.x + DisplayOffset.x);
2934 pos.y = IM_FLOOR(pos.y + DisplayOffset.y);
2935 draw_list->PrimReserve(6, 4);
2936 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);
2937 }
2938 }
2939
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) const2940 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
2941 {
2942 if (!text_end)
2943 text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls.
2944
2945 // Align to be pixel perfect
2946 pos.x = IM_FLOOR(pos.x + DisplayOffset.x);
2947 pos.y = IM_FLOOR(pos.y + DisplayOffset.y);
2948 float x = pos.x;
2949 float y = pos.y;
2950 if (y > clip_rect.w)
2951 return;
2952
2953 const float scale = size / FontSize;
2954 const float line_height = FontSize * scale;
2955 const bool word_wrap_enabled = (wrap_width > 0.0f);
2956 const char* word_wrap_eol = NULL;
2957
2958 // Fast-forward to first visible line
2959 const char* s = text_begin;
2960 if (y + line_height < clip_rect.y && !word_wrap_enabled)
2961 while (y + line_height < clip_rect.y && s < text_end)
2962 {
2963 s = (const char*)memchr(s, '\n', text_end - s);
2964 s = s ? s + 1 : text_end;
2965 y += line_height;
2966 }
2967
2968 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
2969 // 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)
2970 if (text_end - s > 10000 && !word_wrap_enabled)
2971 {
2972 const char* s_end = s;
2973 float y_end = y;
2974 while (y_end < clip_rect.w && s_end < text_end)
2975 {
2976 s_end = (const char*)memchr(s_end, '\n', text_end - s_end);
2977 s_end = s_end ? s_end + 1 : text_end;
2978 y_end += line_height;
2979 }
2980 text_end = s_end;
2981 }
2982 if (s == text_end)
2983 return;
2984
2985 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
2986 const int vtx_count_max = (int)(text_end - s) * 4;
2987 const int idx_count_max = (int)(text_end - s) * 6;
2988 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
2989 draw_list->PrimReserve(idx_count_max, vtx_count_max);
2990
2991 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
2992 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
2993 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx;
2994
2995 ImU32 defaultCol = col;
2996 ImU32 highlighCol = ImGui::GetColorU32(ImGuiCol_ButtonHovered);
2997
2998 // if text is started with ColorMarkerHovered symbol, we should use another color for a highlighting
2999 if (*s == ImGui::ColorMarkerHovered) {
3000 highlighCol = ImGui::GetColorU32(ImGuiCol_FrameBg);
3001 s += 1;
3002 }
3003
3004 while (s < text_end)
3005 {
3006 if (word_wrap_enabled)
3007 {
3008 // 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.
3009 if (!word_wrap_eol)
3010 {
3011 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x));
3012 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
3013 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
3014 }
3015
3016 if (s >= word_wrap_eol)
3017 {
3018 x = pos.x;
3019 y += line_height;
3020 word_wrap_eol = NULL;
3021
3022 // Wrapping skips upcoming blanks
3023 while (s < text_end)
3024 {
3025 const char c = *s;
3026 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
3027 }
3028 continue;
3029 }
3030 }
3031
3032 if (*s == ImGui::ColorMarkerStart) {
3033 col = highlighCol;
3034 s += 1;
3035 }
3036 else if (*s == ImGui::ColorMarkerEnd) {
3037 col = defaultCol;
3038 s += 1;
3039 if (s == text_end)
3040 break;
3041 }
3042
3043 // Decode and advance source
3044 unsigned int c = (unsigned int)*s;
3045 if (c < 0x80)
3046 {
3047 s += 1;
3048 }
3049 else
3050 {
3051 s += ImTextCharFromUtf8(&c, s, text_end);
3052 if (c == 0) // Malformed UTF-8?
3053 break;
3054 }
3055
3056 if (c < 32)
3057 {
3058 if (c == '\n')
3059 {
3060 x = pos.x;
3061 y += line_height;
3062 if (y > clip_rect.w)
3063 break; // break out of main loop
3064 continue;
3065 }
3066 if (c == '\r')
3067 continue;
3068 }
3069
3070 float char_width = 0.0f;
3071 if (const ImFontGlyph* glyph = FindGlyph((ImWchar)c))
3072 {
3073 char_width = glyph->AdvanceX * scale;
3074
3075 // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
3076 if (c != ' ' && c != '\t')
3077 {
3078 // 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
3079 float x1 = x + glyph->X0 * scale;
3080 float x2 = x + glyph->X1 * scale;
3081 float y1 = y + glyph->Y0 * scale;
3082 float y2 = y + glyph->Y1 * scale;
3083 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
3084 {
3085 // Render a character
3086 float u1 = glyph->U0;
3087 float v1 = glyph->V0;
3088 float u2 = glyph->U1;
3089 float v2 = glyph->V1;
3090
3091 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
3092 if (cpu_fine_clip)
3093 {
3094 if (x1 < clip_rect.x)
3095 {
3096 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
3097 x1 = clip_rect.x;
3098 }
3099 if (y1 < clip_rect.y)
3100 {
3101 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
3102 y1 = clip_rect.y;
3103 }
3104 if (x2 > clip_rect.z)
3105 {
3106 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
3107 x2 = clip_rect.z;
3108 }
3109 if (y2 > clip_rect.w)
3110 {
3111 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
3112 y2 = clip_rect.w;
3113 }
3114 if (y1 >= y2)
3115 {
3116 x += char_width;
3117 continue;
3118 }
3119 }
3120
3121 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
3122 {
3123 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
3124 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
3125 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;
3126 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;
3127 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;
3128 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;
3129 vtx_write += 4;
3130 vtx_current_idx += 4;
3131 idx_write += 6;
3132 }
3133 }
3134 }
3135 }
3136
3137 x += char_width;
3138 }
3139
3140 // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action.
3141 draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink()
3142 draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data);
3143 draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
3144 draw_list->_VtxWritePtr = vtx_write;
3145 draw_list->_IdxWritePtr = idx_write;
3146 draw_list->_VtxCurrentIdx = vtx_current_idx;
3147 }
3148
3149 //-----------------------------------------------------------------------------
3150 // [SECTION] Internal Render Helpers
3151 // (progressively moved from imgui.cpp to here when they are redesigned to stop accessing ImGui global state)
3152 //-----------------------------------------------------------------------------
3153 // - RenderMouseCursor()
3154 // - RenderArrowPointingAt()
3155 // - RenderRectFilledRangeH()
3156 //-----------------------------------------------------------------------------
3157
RenderMouseCursor(ImDrawList * draw_list,ImVec2 pos,float scale,ImGuiMouseCursor mouse_cursor,ImU32 col_fill,ImU32 col_border,ImU32 col_shadow)3158 void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow)
3159 {
3160 if (mouse_cursor == ImGuiMouseCursor_None)
3161 return;
3162 IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
3163
3164 ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
3165 ImVec2 offset, size, uv[4];
3166 if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
3167 {
3168 pos -= offset;
3169 const ImTextureID tex_id = font_atlas->TexID;
3170 draw_list->PushTextureID(tex_id);
3171 draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow);
3172 draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow);
3173 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border);
3174 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill);
3175 draw_list->PopTextureID();
3176 }
3177 }
3178
3179 // 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)3180 void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
3181 {
3182 switch (direction)
3183 {
3184 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;
3185 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;
3186 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;
3187 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;
3188 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
3189 }
3190 }
3191
ImAcos01(float x)3192 static inline float ImAcos01(float x)
3193 {
3194 if (x <= 0.0f) return IM_PI * 0.5f;
3195 if (x >= 1.0f) return 0.0f;
3196 return ImAcos(x);
3197 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
3198 }
3199
3200 // 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)3201 void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
3202 {
3203 if (x_end_norm == x_start_norm)
3204 return;
3205 if (x_start_norm > x_end_norm)
3206 ImSwap(x_start_norm, x_end_norm);
3207
3208 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y);
3209 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y);
3210 if (rounding == 0.0f)
3211 {
3212 draw_list->AddRectFilled(p0, p1, col, 0.0f);
3213 return;
3214 }
3215
3216 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding);
3217 const float inv_rounding = 1.0f / rounding;
3218 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
3219 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
3220 const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return.
3221 const float x0 = ImMax(p0.x, rect.Min.x + rounding);
3222 if (arc0_b == arc0_e)
3223 {
3224 draw_list->PathLineTo(ImVec2(x0, p1.y));
3225 draw_list->PathLineTo(ImVec2(x0, p0.y));
3226 }
3227 else if (arc0_b == 0.0f && arc0_e == half_pi)
3228 {
3229 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
3230 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
3231 }
3232 else
3233 {
3234 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL
3235 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR
3236 }
3237 if (p1.x > rect.Min.x + rounding)
3238 {
3239 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding);
3240 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding);
3241 const float x1 = ImMin(p1.x, rect.Max.x - rounding);
3242 if (arc1_b == arc1_e)
3243 {
3244 draw_list->PathLineTo(ImVec2(x1, p0.y));
3245 draw_list->PathLineTo(ImVec2(x1, p1.y));
3246 }
3247 else if (arc1_b == 0.0f && arc1_e == half_pi)
3248 {
3249 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
3250 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR
3251 }
3252 else
3253 {
3254 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR
3255 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR
3256 }
3257 }
3258 draw_list->PathFillConvex(col);
3259 }
3260
3261 //-----------------------------------------------------------------------------
3262 // [SECTION] Decompression code
3263 //-----------------------------------------------------------------------------
3264 // Compressed with stb_compress() then converted to a C array and encoded as base85.
3265 // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
3266 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3267 // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
3268 //-----------------------------------------------------------------------------
3269
stb_decompress_length(const unsigned char * input)3270 static unsigned int stb_decompress_length(const unsigned char *input)
3271 {
3272 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
3273 }
3274
3275 static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
3276 static const unsigned char *stb__barrier_in_b;
3277 static unsigned char *stb__dout;
stb__match(const unsigned char * data,unsigned int length)3278 static void stb__match(const unsigned char *data, unsigned int length)
3279 {
3280 // INVERSE of memmove... write each byte before copying the next...
3281 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3282 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3283 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
3284 while (length--) *stb__dout++ = *data++;
3285 }
3286
stb__lit(const unsigned char * data,unsigned int length)3287 static void stb__lit(const unsigned char *data, unsigned int length)
3288 {
3289 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
3290 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
3291 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
3292 memcpy(stb__dout, data, length);
3293 stb__dout += length;
3294 }
3295
3296 #define stb__in2(x) ((i[x] << 8) + i[(x)+1])
3297 #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
3298 #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
3299
stb_decompress_token(const unsigned char * i)3300 static const unsigned char *stb_decompress_token(const unsigned char *i)
3301 {
3302 if (*i >= 0x20) { // use fewer if's for cases that expand small
3303 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
3304 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
3305 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
3306 } else { // more ifs for cases that expand large, since overhead is amortized
3307 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
3308 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
3309 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
3310 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
3311 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
3312 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
3313 }
3314 return i;
3315 }
3316
stb_adler32(unsigned int adler32,unsigned char * buffer,unsigned int buflen)3317 static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
3318 {
3319 const unsigned long ADLER_MOD = 65521;
3320 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
3321 unsigned long blocklen = buflen % 5552;
3322
3323 unsigned long i;
3324 while (buflen) {
3325 for (i=0; i + 7 < blocklen; i += 8) {
3326 s1 += buffer[0], s2 += s1;
3327 s1 += buffer[1], s2 += s1;
3328 s1 += buffer[2], s2 += s1;
3329 s1 += buffer[3], s2 += s1;
3330 s1 += buffer[4], s2 += s1;
3331 s1 += buffer[5], s2 += s1;
3332 s1 += buffer[6], s2 += s1;
3333 s1 += buffer[7], s2 += s1;
3334
3335 buffer += 8;
3336 }
3337
3338 for (; i < blocklen; ++i)
3339 s1 += *buffer++, s2 += s1;
3340
3341 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
3342 buflen -= blocklen;
3343 blocklen = 5552;
3344 }
3345 return (unsigned int)(s2 << 16) + (unsigned int)s1;
3346 }
3347
stb_decompress(unsigned char * output,const unsigned char * i,unsigned int)3348 static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
3349 {
3350 if (stb__in4(0) != 0x57bC0000) return 0;
3351 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
3352 const unsigned int olen = stb_decompress_length(i);
3353 stb__barrier_in_b = i;
3354 stb__barrier_out_e = output + olen;
3355 stb__barrier_out_b = output;
3356 i += 16;
3357
3358 stb__dout = output;
3359 for (;;) {
3360 const unsigned char *old_i = i;
3361 i = stb_decompress_token(i);
3362 if (i == old_i) {
3363 if (*i == 0x05 && i[1] == 0xfa) {
3364 IM_ASSERT(stb__dout == output + olen);
3365 if (stb__dout != output + olen) return 0;
3366 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
3367 return 0;
3368 return olen;
3369 } else {
3370 IM_ASSERT(0); /* NOTREACHED */
3371 return 0;
3372 }
3373 }
3374 IM_ASSERT(stb__dout <= output + olen);
3375 if (stb__dout > output + olen)
3376 return 0;
3377 }
3378 }
3379
3380 //-----------------------------------------------------------------------------
3381 // [SECTION] Default font data (ProggyClean.ttf)
3382 //-----------------------------------------------------------------------------
3383 // ProggyClean.ttf
3384 // Copyright (c) 2004, 2005 Tristan Grimmer
3385 // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
3386 // Download and more information at http://upperbounds.net
3387 //-----------------------------------------------------------------------------
3388 // File: 'ProggyClean.ttf' (41208 bytes)
3389 // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
3390 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
3391 //-----------------------------------------------------------------------------
3392 static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
3393 "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
3394 "2*>]b(MC;$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#"
3395 "`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"
3396 "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"
3397 "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"
3398 "*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)"
3399 "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"
3400 "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."
3401 "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"
3402 "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(,)"
3403 "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#"
3404 "'/###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"
3405 "_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"
3406 "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/"
3407 "/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"
3408 "%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&#"
3409 "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)("
3410 "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"
3411 "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"
3412 "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^-"
3413 "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-"
3414 "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"
3415 "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%"
3416 "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]"
3417 "%(?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"
3418 "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:"
3419 "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("
3420 "$/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<"
3421 "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'?"
3422 "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/;"
3423 ")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"
3424 "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("
3425 "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"
3426 "bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTGT5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
3427 "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<-"
3428 "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"
3429 "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"
3430 ".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@@"
3431 "$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
3432 "hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
3433 "@-W$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&#"
3434 "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#"
3435 "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"
3436 "d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoFDoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
3437 "6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
3438 "b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
3439 ":k$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+"
3440 "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*"
3441 "$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
3442 ":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
3443 "7aQC[K8d-(v6GI$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"
3444 "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"
3445 "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
3446 ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
3447 "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
3448 "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
3449 "^V'9;jY@;)br#q^YQpx:X#Te$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:"
3450 "+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%"
3451 "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
3452 "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
3453 "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
3454 "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
3455 "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
3456 "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
3457 "+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"
3458 "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"
3459 "?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"
3460 "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"
3461 ">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-$.QN'>"
3462 "[%$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"
3463 "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#"
3464 "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$"
3465 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
3466 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
3467 "1*c-(aY168o<`JsSbk-,1N;$>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"
3468 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
3469 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
3470 ";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&>"
3471 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
3472 "d<F&#*;G##.GY##2Sl##6`($#: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"
3473 "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$C#+E6C#"
3474 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
3475 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
3476 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
3477 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
3478 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
3479
GetDefaultCompressedFontDataTTFBase85()3480 static const char* GetDefaultCompressedFontDataTTFBase85()
3481 {
3482 return proggy_clean_ttf_compressed_data_base85;
3483 }
3484
3485 #endif // #ifndef IMGUI_DISABLE
3486