1 // dear imgui, v1.61 WIP
2 // (drawing and font code)
3
4 // Contains implementation for
5 // - Default styles
6 // - ImDrawList
7 // - ImDrawData
8 // - ImFontAtlas
9 // - ImFont
10 // - Default font data
11
12 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
13 #define _CRT_SECURE_NO_WARNINGS
14 #endif
15
16 #include "imgui.h"
17 #define IMGUI_DEFINE_MATH_OPERATORS
18 #include "imgui_internal.h"
19
20 #include <stdio.h> // vsnprintf, sscanf, printf
21 #if !defined(alloca)
22 #ifdef _WIN32
23 #include <malloc.h> // alloca
24 #if !defined(alloca)
25 #define alloca _alloca // for clang with MS Codegen
26 #endif
27 #elif defined(__GLIBC__) || defined(__sun)
28 #include <alloca.h> // alloca
29 #else
30 #include <stdlib.h> // alloca
31 #endif
32 #endif
33
34 #ifdef _MSC_VER
35 #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
36 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
37 #endif
38
39 #if defined(__clang__) && !defined(__INTEL_COMPILER)
40 #pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
41 #pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
42 #pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference it.
43 #pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
44 #if __has_warning("-Wcomma")
45 #pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
46 #endif
47 #if __has_warning("-Wreserved-id-macro")
48 #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
49 #endif
50 #if __has_warning("-Wdouble-promotion")
51 #pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
52 #endif
53 #elif defined(__GNUC__)
54 #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
55 #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
56 #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
57 #endif
58
59 //-------------------------------------------------------------------------
60 // STB libraries implementation
61 //-------------------------------------------------------------------------
62
63 // Compile time options:
64 //#define IMGUI_STB_NAMESPACE ImGuiStb
65 //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
66 //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
67 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
68 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
69
70 #ifdef IMGUI_STB_NAMESPACE
71 namespace IMGUI_STB_NAMESPACE
72 {
73 #endif
74
75 #ifdef _MSC_VER
76 #pragma warning (push)
77 #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
78 #endif
79
80 #if defined(__clang__) && !defined(__INTEL_COMPILER)
81 #pragma clang diagnostic push
82 #pragma clang diagnostic ignored "-Wunused-function"
83 #pragma clang diagnostic ignored "-Wmissing-prototypes"
84 #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
85 #pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier //
86 #endif
87
88 #ifdef __GNUC__
89 #pragma GCC diagnostic push
90 #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
91 #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
92 #endif
93
94 #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
95 #define STBRP_STATIC
96 #define STBRP_ASSERT(x) IM_ASSERT(x)
97 #define STB_RECT_PACK_IMPLEMENTATION
98 #endif
99 #ifdef IMGUI_STB_RECT_PACK_FILENAME
100 #include IMGUI_STB_RECT_PACK_FILENAME
101 #else
102 #include "stb_rect_pack.h"
103 #endif
104
105 #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
106 #define STBTT_malloc(x,u) ((void)(u), ImGui::MemAlloc(x))
107 #define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
108 #define STBTT_assert(x) IM_ASSERT(x)
109 #define STBTT_STATIC
110 #define STB_TRUETYPE_IMPLEMENTATION
111 #else
112 #define STBTT_DEF extern
113 #endif
114 #ifdef IMGUI_STB_TRUETYPE_FILENAME
115 #include IMGUI_STB_TRUETYPE_FILENAME
116 #else
117 #include "stb_truetype.h"
118 #endif
119
120 #ifdef __GNUC__
121 #pragma GCC diagnostic pop
122 #endif
123
124 #if defined(__clang__) && !defined(__INTEL_COMPILER)
125 #pragma clang diagnostic pop
126 #endif
127
128 #ifdef _MSC_VER
129 #pragma warning (pop)
130 #endif
131
132 #ifdef IMGUI_STB_NAMESPACE
133 } // namespace ImGuiStb
134 using namespace IMGUI_STB_NAMESPACE;
135 #endif
136
137 //-----------------------------------------------------------------------------
138 // Style functions
139 //-----------------------------------------------------------------------------
140
StyleColorsDark(ImGuiStyle * dst)141 void ImGui::StyleColorsDark(ImGuiStyle* dst)
142 {
143 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
144 ImVec4* colors = style->Colors;
145
146 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
147 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
148 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
149 colors[ImGuiCol_ChildBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.00f);
150 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
151 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
152 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
153 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
154 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
155 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
156 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
157 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
158 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
159 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
160 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
161 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
162 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
163 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
164 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
165 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
166 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
167 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
168 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
169 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
170 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
171 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
172 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
173 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
174 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
175 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
176 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
177 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
178 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
179 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
180 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
181 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
182 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
183 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
184 colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
185 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
186 colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
187 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
188 }
189
StyleColorsClassic(ImGuiStyle * dst)190 void ImGui::StyleColorsClassic(ImGuiStyle* dst)
191 {
192 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
193 ImVec4* colors = style->Colors;
194
195 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
196 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
197 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
198 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
199 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
200 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
201 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
202 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
203 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
204 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
205 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
206 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
207 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
208 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
209 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
210 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
211 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
212 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
213 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
214 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
215 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
216 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
217 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
218 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
219 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
220 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
221 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
222 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
223 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
224 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
225 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f);
226 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
227 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
228 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
229 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
230 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
231 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
232 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
233 colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
234 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
235 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
236 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
237 }
238
239 // Those light colors are better suited with a thicker font than the default one + FrameBorder
StyleColorsLight(ImGuiStyle * dst)240 void ImGui::StyleColorsLight(ImGuiStyle* dst)
241 {
242 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
243 ImVec4* colors = style->Colors;
244
245 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
246 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
247 //colors[ImGuiCol_TextHovered] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
248 //colors[ImGuiCol_TextActive] = ImVec4(1.00f, 1.00f, 0.00f, 1.00f);
249 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
250 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
251 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
252 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
253 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
254 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
255 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
256 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
257 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
258 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
259 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
260 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
261 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
262 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
263 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
264 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
265 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
266 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
267 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
268 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
269 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
270 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
271 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
272 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
273 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
274 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
275 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
276 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
277 colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f);
278 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
279 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
280 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
281 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
282 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
283 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
284 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
285 colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
286 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
287 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
288 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
289 }
290
291 //-----------------------------------------------------------------------------
292 // ImDrawListData
293 //-----------------------------------------------------------------------------
294
ImDrawListSharedData()295 ImDrawListSharedData::ImDrawListSharedData()
296 {
297 Font = NULL;
298 FontSize = 0.0f;
299 CurveTessellationTol = 0.0f;
300 ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f);
301
302 // Const data
303 for (int i = 0; i < IM_ARRAYSIZE(CircleVtx12); i++)
304 {
305 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(CircleVtx12);
306 CircleVtx12[i] = ImVec2(cosf(a), sinf(a));
307 }
308 }
309
310 //-----------------------------------------------------------------------------
311 // ImDrawList
312 //-----------------------------------------------------------------------------
313
Clear()314 void ImDrawList::Clear()
315 {
316 CmdBuffer.resize(0);
317 IdxBuffer.resize(0);
318 VtxBuffer.resize(0);
319 Flags = ImDrawListFlags_AntiAliasedLines | ImDrawListFlags_AntiAliasedFill;
320 _VtxCurrentIdx = 0;
321 _VtxWritePtr = NULL;
322 _IdxWritePtr = NULL;
323 _ClipRectStack.resize(0);
324 _TextureIdStack.resize(0);
325 _Path.resize(0);
326 _ChannelsCurrent = 0;
327 _ChannelsCount = 1;
328 // NB: Do not clear channels so our allocations are re-used after the first frame.
329 }
330
ClearFreeMemory()331 void ImDrawList::ClearFreeMemory()
332 {
333 CmdBuffer.clear();
334 IdxBuffer.clear();
335 VtxBuffer.clear();
336 _VtxCurrentIdx = 0;
337 _VtxWritePtr = NULL;
338 _IdxWritePtr = NULL;
339 _ClipRectStack.clear();
340 _TextureIdStack.clear();
341 _Path.clear();
342 _ChannelsCurrent = 0;
343 _ChannelsCount = 1;
344 for (int i = 0; i < _Channels.Size; i++)
345 {
346 if (i == 0) memset(&_Channels[0], 0, sizeof(_Channels[0])); // channel 0 is a copy of CmdBuffer/IdxBuffer, don't destruct again
347 _Channels[i].CmdBuffer.clear();
348 _Channels[i].IdxBuffer.clear();
349 }
350 _Channels.clear();
351 }
352
CloneOutput() const353 ImDrawList* ImDrawList::CloneOutput() const
354 {
355 ImDrawList* dst = IM_NEW(ImDrawList(NULL));
356 dst->CmdBuffer = CmdBuffer;
357 dst->IdxBuffer = IdxBuffer;
358 dst->VtxBuffer = VtxBuffer;
359 dst->Flags = Flags;
360 return dst;
361 }
362
363 // Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds
364 #define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
365 #define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : NULL)
366
AddDrawCmd()367 void ImDrawList::AddDrawCmd()
368 {
369 ImDrawCmd draw_cmd;
370 draw_cmd.ClipRect = GetCurrentClipRect();
371 draw_cmd.TextureId = GetCurrentTextureId();
372
373 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
374 CmdBuffer.push_back(draw_cmd);
375 }
376
AddCallback(ImDrawCallback callback,void * callback_data)377 void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
378 {
379 ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
380 if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
381 {
382 AddDrawCmd();
383 current_cmd = &CmdBuffer.back();
384 }
385 current_cmd->UserCallback = callback;
386 current_cmd->UserCallbackData = callback_data;
387
388 AddDrawCmd(); // Force a new command after us (see comment below)
389 }
390
391 // 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.
392 // 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()393 void ImDrawList::UpdateClipRect()
394 {
395 // If current command is used with different settings we need to add a new command
396 const ImVec4 curr_clip_rect = GetCurrentClipRect();
397 ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
398 if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
399 {
400 AddDrawCmd();
401 return;
402 }
403
404 // Try to merge with previous command if it matches, else use current command
405 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
406 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)
407 CmdBuffer.pop_back();
408 else
409 curr_cmd->ClipRect = curr_clip_rect;
410 }
411
UpdateTextureID()412 void ImDrawList::UpdateTextureID()
413 {
414 // If current command is used with different settings we need to add a new command
415 const ImTextureID curr_texture_id = GetCurrentTextureId();
416 ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
417 if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
418 {
419 AddDrawCmd();
420 return;
421 }
422
423 // Try to merge with previous command if it matches, else use current command
424 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
425 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)
426 CmdBuffer.pop_back();
427 else
428 curr_cmd->TextureId = curr_texture_id;
429 }
430
431 #undef GetCurrentClipRect
432 #undef GetCurrentTextureId
433
434 // 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)435 void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect)
436 {
437 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
438 if (intersect_with_current_clip_rect && _ClipRectStack.Size)
439 {
440 ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1];
441 if (cr.x < current.x) cr.x = current.x;
442 if (cr.y < current.y) cr.y = current.y;
443 if (cr.z > current.z) cr.z = current.z;
444 if (cr.w > current.w) cr.w = current.w;
445 }
446 cr.z = ImMax(cr.x, cr.z);
447 cr.w = ImMax(cr.y, cr.w);
448
449 _ClipRectStack.push_back(cr);
450 UpdateClipRect();
451 }
452
PushClipRectFullScreen()453 void ImDrawList::PushClipRectFullScreen()
454 {
455 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
456 }
457
PopClipRect()458 void ImDrawList::PopClipRect()
459 {
460 IM_ASSERT(_ClipRectStack.Size > 0);
461 _ClipRectStack.pop_back();
462 UpdateClipRect();
463 }
464
PushTextureID(ImTextureID texture_id)465 void ImDrawList::PushTextureID(ImTextureID texture_id)
466 {
467 _TextureIdStack.push_back(texture_id);
468 UpdateTextureID();
469 }
470
PopTextureID()471 void ImDrawList::PopTextureID()
472 {
473 IM_ASSERT(_TextureIdStack.Size > 0);
474 _TextureIdStack.pop_back();
475 UpdateTextureID();
476 }
477
ChannelsSplit(int channels_count)478 void ImDrawList::ChannelsSplit(int channels_count)
479 {
480 IM_ASSERT(_ChannelsCurrent == 0 && _ChannelsCount == 1);
481 int old_channels_count = _Channels.Size;
482 if (old_channels_count < channels_count)
483 _Channels.resize(channels_count);
484 _ChannelsCount = channels_count;
485
486 // _Channels[] (24/32 bytes each) hold storage that we'll swap with this->_CmdBuffer/_IdxBuffer
487 // 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.
488 // When we switch to the next channel, we'll copy _CmdBuffer/_IdxBuffer into _Channels[0] and then _Channels[1] into _CmdBuffer/_IdxBuffer
489 memset(&_Channels[0], 0, sizeof(ImDrawChannel));
490 for (int i = 1; i < channels_count; i++)
491 {
492 if (i >= old_channels_count)
493 {
494 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
495 }
496 else
497 {
498 _Channels[i].CmdBuffer.resize(0);
499 _Channels[i].IdxBuffer.resize(0);
500 }
501 if (_Channels[i].CmdBuffer.Size == 0)
502 {
503 ImDrawCmd draw_cmd;
504 draw_cmd.ClipRect = _ClipRectStack.back();
505 draw_cmd.TextureId = _TextureIdStack.back();
506 _Channels[i].CmdBuffer.push_back(draw_cmd);
507 }
508 }
509 }
510
ChannelsMerge()511 void ImDrawList::ChannelsMerge()
512 {
513 // 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.
514 if (_ChannelsCount <= 1)
515 return;
516
517 ChannelsSetCurrent(0);
518 if (CmdBuffer.Size && CmdBuffer.back().ElemCount == 0)
519 CmdBuffer.pop_back();
520
521 int new_cmd_buffer_count = 0, new_idx_buffer_count = 0;
522 for (int i = 1; i < _ChannelsCount; i++)
523 {
524 ImDrawChannel& ch = _Channels[i];
525 if (ch.CmdBuffer.Size && ch.CmdBuffer.back().ElemCount == 0)
526 ch.CmdBuffer.pop_back();
527 new_cmd_buffer_count += ch.CmdBuffer.Size;
528 new_idx_buffer_count += ch.IdxBuffer.Size;
529 }
530 CmdBuffer.resize(CmdBuffer.Size + new_cmd_buffer_count);
531 IdxBuffer.resize(IdxBuffer.Size + new_idx_buffer_count);
532
533 ImDrawCmd* cmd_write = CmdBuffer.Data + CmdBuffer.Size - new_cmd_buffer_count;
534 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size - new_idx_buffer_count;
535 for (int i = 1; i < _ChannelsCount; i++)
536 {
537 ImDrawChannel& ch = _Channels[i];
538 if (int sz = ch.CmdBuffer.Size) { memcpy(cmd_write, ch.CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
539 if (int sz = ch.IdxBuffer.Size) { memcpy(_IdxWritePtr, ch.IdxBuffer.Data, sz * sizeof(ImDrawIdx)); _IdxWritePtr += sz; }
540 }
541 UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
542 _ChannelsCount = 1;
543 }
544
ChannelsSetCurrent(int idx)545 void ImDrawList::ChannelsSetCurrent(int idx)
546 {
547 IM_ASSERT(idx < _ChannelsCount);
548 if (_ChannelsCurrent == idx) return;
549 memcpy(&_Channels.Data[_ChannelsCurrent].CmdBuffer, &CmdBuffer, sizeof(CmdBuffer)); // copy 12 bytes, four times
550 memcpy(&_Channels.Data[_ChannelsCurrent].IdxBuffer, &IdxBuffer, sizeof(IdxBuffer));
551 _ChannelsCurrent = idx;
552 memcpy(&CmdBuffer, &_Channels.Data[_ChannelsCurrent].CmdBuffer, sizeof(CmdBuffer));
553 memcpy(&IdxBuffer, &_Channels.Data[_ChannelsCurrent].IdxBuffer, sizeof(IdxBuffer));
554 _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size;
555 }
556
557 // NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
PrimReserve(int idx_count,int vtx_count)558 void ImDrawList::PrimReserve(int idx_count, int vtx_count)
559 {
560 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size-1];
561 draw_cmd.ElemCount += idx_count;
562
563 int vtx_buffer_old_size = VtxBuffer.Size;
564 VtxBuffer.resize(vtx_buffer_old_size + vtx_count);
565 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
566
567 int idx_buffer_old_size = IdxBuffer.Size;
568 IdxBuffer.resize(idx_buffer_old_size + idx_count);
569 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
570 }
571
572 // Fully unrolled with inline call to keep our debug builds decently fast.
PrimRect(const ImVec2 & a,const ImVec2 & c,ImU32 col)573 void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
574 {
575 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
576 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
577 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
578 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
579 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
580 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
581 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
582 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
583 _VtxWritePtr += 4;
584 _VtxCurrentIdx += 4;
585 _IdxWritePtr += 6;
586 }
587
PrimRectUV(const ImVec2 & a,const ImVec2 & c,const ImVec2 & uv_a,const ImVec2 & uv_c,ImU32 col)588 void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
589 {
590 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);
591 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
592 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
593 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
594 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
595 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
596 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
597 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
598 _VtxWritePtr += 4;
599 _VtxCurrentIdx += 4;
600 _IdxWritePtr += 6;
601 }
602
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)603 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)
604 {
605 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
606 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
607 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
608 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
609 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
610 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
611 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
612 _VtxWritePtr += 4;
613 _VtxCurrentIdx += 4;
614 _IdxWritePtr += 6;
615 }
616
617 // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
AddPolyline(const ImVec2 * points,const int points_count,ImU32 col,bool closed,float thickness)618 void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
619 {
620 if (points_count < 2)
621 return;
622
623 const ImVec2 uv = _Data->TexUvWhitePixel;
624
625 int count = points_count;
626 if (!closed)
627 count = points_count-1;
628
629 const bool thick_line = thickness > 1.0f;
630 if (Flags & ImDrawListFlags_AntiAliasedLines)
631 {
632 // Anti-aliased stroke
633 const float AA_SIZE = 1.0f;
634 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
635
636 const int idx_count = thick_line ? count*18 : count*12;
637 const int vtx_count = thick_line ? points_count*4 : points_count*3;
638 PrimReserve(idx_count, vtx_count);
639
640 // Temporary buffer
641 ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2));
642 ImVec2* temp_points = temp_normals + points_count;
643
644 for (int i1 = 0; i1 < count; i1++)
645 {
646 const int i2 = (i1+1) == points_count ? 0 : i1+1;
647 ImVec2 diff = points[i2] - points[i1];
648 diff *= ImInvLength(diff, 1.0f);
649 temp_normals[i1].x = diff.y;
650 temp_normals[i1].y = -diff.x;
651 }
652 if (!closed)
653 temp_normals[points_count-1] = temp_normals[points_count-2];
654
655 if (!thick_line)
656 {
657 if (!closed)
658 {
659 temp_points[0] = points[0] + temp_normals[0] * AA_SIZE;
660 temp_points[1] = points[0] - temp_normals[0] * AA_SIZE;
661 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE;
662 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE;
663 }
664
665 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
666 unsigned int idx1 = _VtxCurrentIdx;
667 for (int i1 = 0; i1 < count; i1++)
668 {
669 const int i2 = (i1+1) == points_count ? 0 : i1+1;
670 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
671
672 // Average normals
673 ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f;
674 float dmr2 = dm.x*dm.x + dm.y*dm.y;
675 if (dmr2 > 0.000001f)
676 {
677 float scale = 1.0f / dmr2;
678 if (scale > 100.0f) scale = 100.0f;
679 dm *= scale;
680 }
681 dm *= AA_SIZE;
682 temp_points[i2*2+0] = points[i2] + dm;
683 temp_points[i2*2+1] = points[i2] - dm;
684
685 // Add indexes
686 _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
687 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0);
688 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
689 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1);
690 _IdxWritePtr += 12;
691
692 idx1 = idx2;
693 }
694
695 // Add vertexes
696 for (int i = 0; i < points_count; i++)
697 {
698 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
699 _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
700 _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
701 _VtxWritePtr += 3;
702 }
703 }
704 else
705 {
706 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
707 if (!closed)
708 {
709 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
710 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
711 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
712 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
713 temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
714 temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
715 temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
716 temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
717 }
718
719 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
720 unsigned int idx1 = _VtxCurrentIdx;
721 for (int i1 = 0; i1 < count; i1++)
722 {
723 const int i2 = (i1+1) == points_count ? 0 : i1+1;
724 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
725
726 // Average normals
727 ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f;
728 float dmr2 = dm.x*dm.x + dm.y*dm.y;
729 if (dmr2 > 0.000001f)
730 {
731 float scale = 1.0f / dmr2;
732 if (scale > 100.0f) scale = 100.0f;
733 dm *= scale;
734 }
735 ImVec2 dm_out = dm * (half_inner_thickness + AA_SIZE);
736 ImVec2 dm_in = dm * half_inner_thickness;
737 temp_points[i2*4+0] = points[i2] + dm_out;
738 temp_points[i2*4+1] = points[i2] + dm_in;
739 temp_points[i2*4+2] = points[i2] - dm_in;
740 temp_points[i2*4+3] = points[i2] - dm_out;
741
742 // Add indexes
743 _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
744 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1);
745 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
746 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1);
747 _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3);
748 _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2);
749 _IdxWritePtr += 18;
750
751 idx1 = idx2;
752 }
753
754 // Add vertexes
755 for (int i = 0; i < points_count; i++)
756 {
757 _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
758 _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
759 _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
760 _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans;
761 _VtxWritePtr += 4;
762 }
763 }
764 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
765 }
766 else
767 {
768 // Non Anti-aliased Stroke
769 const int idx_count = count*6;
770 const int vtx_count = count*4; // FIXME-OPT: Not sharing edges
771 PrimReserve(idx_count, vtx_count);
772
773 for (int i1 = 0; i1 < count; i1++)
774 {
775 const int i2 = (i1+1) == points_count ? 0 : i1+1;
776 const ImVec2& p1 = points[i1];
777 const ImVec2& p2 = points[i2];
778 ImVec2 diff = p2 - p1;
779 diff *= ImInvLength(diff, 1.0f);
780
781 const float dx = diff.x * (thickness * 0.5f);
782 const float dy = diff.y * (thickness * 0.5f);
783 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
784 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
785 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
786 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
787 _VtxWritePtr += 4;
788
789 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2);
790 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3);
791 _IdxWritePtr += 6;
792 _VtxCurrentIdx += 4;
793 }
794 }
795 }
796
AddConvexPolyFilled(const ImVec2 * points,const int points_count,ImU32 col)797 void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
798 {
799 const ImVec2 uv = _Data->TexUvWhitePixel;
800
801 if (Flags & ImDrawListFlags_AntiAliasedFill)
802 {
803 // Anti-aliased Fill
804 const float AA_SIZE = 1.0f;
805 const ImU32 col_trans = col & ~IM_COL32_A_MASK;
806 const int idx_count = (points_count-2)*3 + points_count*6;
807 const int vtx_count = (points_count*2);
808 PrimReserve(idx_count, vtx_count);
809
810 // Add indexes for fill
811 unsigned int vtx_inner_idx = _VtxCurrentIdx;
812 unsigned int vtx_outer_idx = _VtxCurrentIdx+1;
813 for (int i = 2; i < points_count; i++)
814 {
815 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
816 _IdxWritePtr += 3;
817 }
818
819 // Compute normals
820 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2));
821 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
822 {
823 const ImVec2& p0 = points[i0];
824 const ImVec2& p1 = points[i1];
825 ImVec2 diff = p1 - p0;
826 diff *= ImInvLength(diff, 1.0f);
827 temp_normals[i0].x = diff.y;
828 temp_normals[i0].y = -diff.x;
829 }
830
831 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
832 {
833 // Average normals
834 const ImVec2& n0 = temp_normals[i0];
835 const ImVec2& n1 = temp_normals[i1];
836 ImVec2 dm = (n0 + n1) * 0.5f;
837 float dmr2 = dm.x*dm.x + dm.y*dm.y;
838 if (dmr2 > 0.000001f)
839 {
840 float scale = 1.0f / dmr2;
841 if (scale > 100.0f) scale = 100.0f;
842 dm *= scale;
843 }
844 dm *= AA_SIZE * 0.5f;
845
846 // Add vertices
847 _VtxWritePtr[0].pos = (points[i1] - dm); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
848 _VtxWritePtr[1].pos = (points[i1] + dm); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
849 _VtxWritePtr += 2;
850
851 // Add indexes for fringes
852 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1));
853 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1));
854 _IdxWritePtr += 6;
855 }
856 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
857 }
858 else
859 {
860 // Non Anti-aliased Fill
861 const int idx_count = (points_count-2)*3;
862 const int vtx_count = points_count;
863 PrimReserve(idx_count, vtx_count);
864 for (int i = 0; i < vtx_count; i++)
865 {
866 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
867 _VtxWritePtr++;
868 }
869 for (int i = 2; i < points_count; i++)
870 {
871 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i);
872 _IdxWritePtr += 3;
873 }
874 _VtxCurrentIdx += (ImDrawIdx)vtx_count;
875 }
876 }
877
PathArcToFast(const ImVec2 & centre,float radius,int a_min_of_12,int a_max_of_12)878 void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12)
879 {
880 if (radius == 0.0f || a_min_of_12 > a_max_of_12)
881 {
882 _Path.push_back(centre);
883 return;
884 }
885 _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
886 for (int a = a_min_of_12; a <= a_max_of_12; a++)
887 {
888 const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
889 _Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius));
890 }
891 }
892
PathArcTo(const ImVec2 & centre,float radius,float a_min,float a_max,int num_segments)893 void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments)
894 {
895 if (radius == 0.0f)
896 {
897 _Path.push_back(centre);
898 return;
899 }
900 _Path.reserve(_Path.Size + (num_segments + 1));
901 for (int i = 0; i <= num_segments; i++)
902 {
903 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
904 _Path.push_back(ImVec2(centre.x + cosf(a) * radius, centre.y + sinf(a) * radius));
905 }
906 }
907
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)908 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)
909 {
910 float dx = x4 - x1;
911 float dy = y4 - y1;
912 float d2 = ((x2 - x4) * dy - (y2 - y4) * dx);
913 float d3 = ((x3 - x4) * dy - (y3 - y4) * dx);
914 d2 = (d2 >= 0) ? d2 : -d2;
915 d3 = (d3 >= 0) ? d3 : -d3;
916 if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy))
917 {
918 path->push_back(ImVec2(x4, y4));
919 }
920 else if (level < 10)
921 {
922 float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f;
923 float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f;
924 float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f;
925 float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f;
926 float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f;
927 float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f;
928
929 PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1);
930 PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1);
931 }
932 }
933
PathBezierCurveTo(const ImVec2 & p2,const ImVec2 & p3,const ImVec2 & p4,int num_segments)934 void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
935 {
936 ImVec2 p1 = _Path.back();
937 if (num_segments == 0)
938 {
939 // Auto-tessellated
940 PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0);
941 }
942 else
943 {
944 float t_step = 1.0f / (float)num_segments;
945 for (int i_step = 1; i_step <= num_segments; i_step++)
946 {
947 float t = t_step * i_step;
948 float u = 1.0f - t;
949 float w1 = u*u*u;
950 float w2 = 3*u*u*t;
951 float w3 = 3*u*t*t;
952 float w4 = t*t*t;
953 _Path.push_back(ImVec2(w1*p1.x + w2*p2.x + w3*p3.x + w4*p4.x, w1*p1.y + w2*p2.y + w3*p3.y + w4*p4.y));
954 }
955 }
956 }
957
PathRect(const ImVec2 & a,const ImVec2 & b,float rounding,int rounding_corners)958 void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, int rounding_corners)
959 {
960 rounding = ImMin(rounding, fabsf(b.x - a.x) * ( ((rounding_corners & ImDrawCornerFlags_Top) == ImDrawCornerFlags_Top) || ((rounding_corners & ImDrawCornerFlags_Bot) == ImDrawCornerFlags_Bot) ? 0.5f : 1.0f ) - 1.0f);
961 rounding = ImMin(rounding, fabsf(b.y - a.y) * ( ((rounding_corners & ImDrawCornerFlags_Left) == ImDrawCornerFlags_Left) || ((rounding_corners & ImDrawCornerFlags_Right) == ImDrawCornerFlags_Right) ? 0.5f : 1.0f ) - 1.0f);
962
963 if (rounding <= 0.0f || rounding_corners == 0)
964 {
965 PathLineTo(a);
966 PathLineTo(ImVec2(b.x, a.y));
967 PathLineTo(b);
968 PathLineTo(ImVec2(a.x, b.y));
969 }
970 else
971 {
972 const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f;
973 const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f;
974 const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f;
975 const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f;
976 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9);
977 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12);
978 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3);
979 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6);
980 }
981 }
982
AddLine(const ImVec2 & a,const ImVec2 & b,ImU32 col,float thickness)983 void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness)
984 {
985 if ((col & IM_COL32_A_MASK) == 0)
986 return;
987 PathLineTo(a + ImVec2(0.5f,0.5f));
988 PathLineTo(b + ImVec2(0.5f,0.5f));
989 PathStroke(col, false, thickness);
990 }
991
992 // a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly.
AddRect(const ImVec2 & a,const ImVec2 & b,ImU32 col,float rounding,int rounding_corners_flags,float thickness)993 void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags, float thickness)
994 {
995 if ((col & IM_COL32_A_MASK) == 0)
996 return;
997 if (Flags & ImDrawListFlags_AntiAliasedLines)
998 PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.50f,0.50f), rounding, rounding_corners_flags);
999 else
1000 PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.49f,0.49f), rounding, rounding_corners_flags); // Better looking lower-right corner and rounded non-AA shapes.
1001 PathStroke(col, true, thickness);
1002 }
1003
AddRectFilled(const ImVec2 & a,const ImVec2 & b,ImU32 col,float rounding,int rounding_corners_flags)1004 void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags)
1005 {
1006 if ((col & IM_COL32_A_MASK) == 0)
1007 return;
1008 if (rounding > 0.0f)
1009 {
1010 PathRect(a, b, rounding, rounding_corners_flags);
1011 PathFillConvex(col);
1012 }
1013 else
1014 {
1015 PrimReserve(6, 4);
1016 PrimRect(a, b, col);
1017 }
1018 }
1019
AddRectFilledMultiColor(const ImVec2 & a,const ImVec2 & c,ImU32 col_upr_left,ImU32 col_upr_right,ImU32 col_bot_right,ImU32 col_bot_left)1020 void ImDrawList::AddRectFilledMultiColor(const ImVec2& a, const ImVec2& c, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
1021 {
1022 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
1023 return;
1024
1025 const ImVec2 uv = _Data->TexUvWhitePixel;
1026 PrimReserve(6, 4);
1027 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
1028 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
1029 PrimWriteVtx(a, uv, col_upr_left);
1030 PrimWriteVtx(ImVec2(c.x, a.y), uv, col_upr_right);
1031 PrimWriteVtx(c, uv, col_bot_right);
1032 PrimWriteVtx(ImVec2(a.x, c.y), uv, col_bot_left);
1033 }
1034
AddQuad(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,const ImVec2 & d,ImU32 col,float thickness)1035 void ImDrawList::AddQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col, float thickness)
1036 {
1037 if ((col & IM_COL32_A_MASK) == 0)
1038 return;
1039
1040 PathLineTo(a);
1041 PathLineTo(b);
1042 PathLineTo(c);
1043 PathLineTo(d);
1044 PathStroke(col, true, thickness);
1045 }
1046
AddQuadFilled(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,const ImVec2 & d,ImU32 col)1047 void ImDrawList::AddQuadFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col)
1048 {
1049 if ((col & IM_COL32_A_MASK) == 0)
1050 return;
1051
1052 PathLineTo(a);
1053 PathLineTo(b);
1054 PathLineTo(c);
1055 PathLineTo(d);
1056 PathFillConvex(col);
1057 }
1058
AddTriangle(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,ImU32 col,float thickness)1059 void ImDrawList::AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness)
1060 {
1061 if ((col & IM_COL32_A_MASK) == 0)
1062 return;
1063
1064 PathLineTo(a);
1065 PathLineTo(b);
1066 PathLineTo(c);
1067 PathStroke(col, true, thickness);
1068 }
1069
AddTriangleFilled(const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,ImU32 col)1070 void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
1071 {
1072 if ((col & IM_COL32_A_MASK) == 0)
1073 return;
1074
1075 PathLineTo(a);
1076 PathLineTo(b);
1077 PathLineTo(c);
1078 PathFillConvex(col);
1079 }
1080
AddCircle(const ImVec2 & centre,float radius,ImU32 col,int num_segments,float thickness)1081 void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments, float thickness)
1082 {
1083 if ((col & IM_COL32_A_MASK) == 0)
1084 return;
1085
1086 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1087 PathArcTo(centre, radius-0.5f, 0.0f, a_max, num_segments);
1088 PathStroke(col, true, thickness);
1089 }
1090
AddCircleFilled(const ImVec2 & centre,float radius,ImU32 col,int num_segments)1091 void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments)
1092 {
1093 if ((col & IM_COL32_A_MASK) == 0)
1094 return;
1095
1096 const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
1097 PathArcTo(centre, radius, 0.0f, a_max, num_segments);
1098 PathFillConvex(col);
1099 }
1100
AddBezierCurve(const ImVec2 & pos0,const ImVec2 & cp0,const ImVec2 & cp1,const ImVec2 & pos1,ImU32 col,float thickness,int num_segments)1101 void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
1102 {
1103 if ((col & IM_COL32_A_MASK) == 0)
1104 return;
1105
1106 PathLineTo(pos0);
1107 PathBezierCurveTo(cp0, cp1, pos1, num_segments);
1108 PathStroke(col, false, thickness);
1109 }
1110
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)1111 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)
1112 {
1113 if ((col & IM_COL32_A_MASK) == 0)
1114 return;
1115
1116 if (text_end == NULL)
1117 text_end = text_begin + strlen(text_begin);
1118 if (text_begin == text_end)
1119 return;
1120
1121 // Pull default font/size from the shared ImDrawListSharedData instance
1122 if (font == NULL)
1123 font = _Data->Font;
1124 if (font_size == 0.0f)
1125 font_size = _Data->FontSize;
1126
1127 IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
1128
1129 ImVec4 clip_rect = _ClipRectStack.back();
1130 if (cpu_fine_clip_rect)
1131 {
1132 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
1133 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
1134 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
1135 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
1136 }
1137 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL);
1138 }
1139
AddText(const ImVec2 & pos,ImU32 col,const char * text_begin,const char * text_end)1140 void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
1141 {
1142 AddText(NULL, 0.0f, pos, col, text_begin, text_end);
1143 }
1144
AddImage(ImTextureID user_texture_id,const ImVec2 & a,const ImVec2 & b,const ImVec2 & uv_a,const ImVec2 & uv_b,ImU32 col)1145 void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col)
1146 {
1147 if ((col & IM_COL32_A_MASK) == 0)
1148 return;
1149
1150 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1151 if (push_texture_id)
1152 PushTextureID(user_texture_id);
1153
1154 PrimReserve(6, 4);
1155 PrimRectUV(a, b, uv_a, uv_b, col);
1156
1157 if (push_texture_id)
1158 PopTextureID();
1159 }
1160
AddImageQuad(ImTextureID user_texture_id,const ImVec2 & a,const ImVec2 & b,const ImVec2 & c,const ImVec2 & d,const ImVec2 & uv_a,const ImVec2 & uv_b,const ImVec2 & uv_c,const ImVec2 & uv_d,ImU32 col)1161 void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col)
1162 {
1163 if ((col & IM_COL32_A_MASK) == 0)
1164 return;
1165
1166 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1167 if (push_texture_id)
1168 PushTextureID(user_texture_id);
1169
1170 PrimReserve(6, 4);
1171 PrimQuadUV(a, b, c, d, uv_a, uv_b, uv_c, uv_d, col);
1172
1173 if (push_texture_id)
1174 PopTextureID();
1175 }
1176
AddImageRounded(ImTextureID user_texture_id,const ImVec2 & a,const ImVec2 & b,const ImVec2 & uv_a,const ImVec2 & uv_b,ImU32 col,float rounding,int rounding_corners)1177 void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col, float rounding, int rounding_corners)
1178 {
1179 if ((col & IM_COL32_A_MASK) == 0)
1180 return;
1181
1182 if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
1183 {
1184 AddImage(user_texture_id, a, b, uv_a, uv_b, col);
1185 return;
1186 }
1187
1188 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
1189 if (push_texture_id)
1190 PushTextureID(user_texture_id);
1191
1192 int vert_start_idx = VtxBuffer.Size;
1193 PathRect(a, b, rounding, rounding_corners);
1194 PathFillConvex(col);
1195 int vert_end_idx = VtxBuffer.Size;
1196 ImGui::ShadeVertsLinearUV(VtxBuffer.Data + vert_start_idx, VtxBuffer.Data + vert_end_idx, a, b, uv_a, uv_b, true);
1197
1198 if (push_texture_id)
1199 PopTextureID();
1200 }
1201
1202 //-----------------------------------------------------------------------------
1203 // ImDrawData
1204 //-----------------------------------------------------------------------------
1205
1206 // 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()1207 void ImDrawData::DeIndexAllBuffers()
1208 {
1209 ImVector<ImDrawVert> new_vtx_buffer;
1210 TotalVtxCount = TotalIdxCount = 0;
1211 for (int i = 0; i < CmdListsCount; i++)
1212 {
1213 ImDrawList* cmd_list = CmdLists[i];
1214 if (cmd_list->IdxBuffer.empty())
1215 continue;
1216 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
1217 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
1218 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
1219 cmd_list->VtxBuffer.swap(new_vtx_buffer);
1220 cmd_list->IdxBuffer.resize(0);
1221 TotalVtxCount += cmd_list->VtxBuffer.Size;
1222 }
1223 }
1224
1225 // Helper to scale the ClipRect field of each ImDrawCmd. Use if your final output buffer is at a different scale than ImGui expects, or if there is a difference between your window resolution and framebuffer resolution.
ScaleClipRects(const ImVec2 & scale)1226 void ImDrawData::ScaleClipRects(const ImVec2& scale)
1227 {
1228 for (int i = 0; i < CmdListsCount; i++)
1229 {
1230 ImDrawList* cmd_list = CmdLists[i];
1231 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
1232 {
1233 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i];
1234 cmd->ClipRect = ImVec4(cmd->ClipRect.x * scale.x, cmd->ClipRect.y * scale.y, cmd->ClipRect.z * scale.x, cmd->ClipRect.w * scale.y);
1235 }
1236 }
1237 }
1238
1239 //-----------------------------------------------------------------------------
1240 // Shade functions
1241 //-----------------------------------------------------------------------------
1242
1243 // Generic linear color gradient, write to RGB fields, leave A untouched.
ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert * vert_start,ImDrawVert * vert_end,ImVec2 gradient_p0,ImVec2 gradient_p1,ImU32 col0,ImU32 col1)1244 void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDrawVert* vert_end, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
1245 {
1246 ImVec2 gradient_extent = gradient_p1 - gradient_p0;
1247 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
1248 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
1249 {
1250 float d = ImDot(vert->pos - gradient_p0, gradient_extent);
1251 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
1252 int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t);
1253 int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t);
1254 int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t);
1255 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
1256 }
1257 }
1258
1259 // Scan and shade backward from the end of given vertices. Assume vertices are text only (= vert_start..vert_end going left to right) so we can break as soon as we are out the gradient bounds.
ShadeVertsLinearAlphaGradientForLeftToRightText(ImDrawVert * vert_start,ImDrawVert * vert_end,float gradient_p0_x,float gradient_p1_x)1260 void ImGui::ShadeVertsLinearAlphaGradientForLeftToRightText(ImDrawVert* vert_start, ImDrawVert* vert_end, float gradient_p0_x, float gradient_p1_x)
1261 {
1262 float gradient_extent_x = gradient_p1_x - gradient_p0_x;
1263 float gradient_inv_length2 = 1.0f / (gradient_extent_x * gradient_extent_x);
1264 int full_alpha_count = 0;
1265 for (ImDrawVert* vert = vert_end - 1; vert >= vert_start; vert--)
1266 {
1267 float d = (vert->pos.x - gradient_p0_x) * (gradient_extent_x);
1268 float alpha_mul = 1.0f - ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
1269 if (alpha_mul >= 1.0f && ++full_alpha_count > 2)
1270 return; // Early out
1271 int a = (int)(((vert->col >> IM_COL32_A_SHIFT) & 0xFF) * alpha_mul);
1272 vert->col = (vert->col & ~IM_COL32_A_MASK) | (a << IM_COL32_A_SHIFT);
1273 }
1274 }
1275
1276 // Distribute UV over (a, b) rectangle
ShadeVertsLinearUV(ImDrawVert * vert_start,ImDrawVert * vert_end,const ImVec2 & a,const ImVec2 & b,const ImVec2 & uv_a,const ImVec2 & uv_b,bool clamp)1277 void ImGui::ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp)
1278 {
1279 const ImVec2 size = b - a;
1280 const ImVec2 uv_size = uv_b - uv_a;
1281 const ImVec2 scale = ImVec2(
1282 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
1283 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
1284
1285 if (clamp)
1286 {
1287 const ImVec2 min = ImMin(uv_a, uv_b);
1288 const ImVec2 max = ImMax(uv_a, uv_b);
1289
1290 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1291 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max);
1292 }
1293 else
1294 {
1295 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
1296 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale);
1297 }
1298 }
1299
1300 //-----------------------------------------------------------------------------
1301 // ImFontConfig
1302 //-----------------------------------------------------------------------------
1303
ImFontConfig()1304 ImFontConfig::ImFontConfig()
1305 {
1306 FontData = NULL;
1307 FontDataSize = 0;
1308 FontDataOwnedByAtlas = true;
1309 FontNo = 0;
1310 SizePixels = 0.0f;
1311 OversampleH = 3;
1312 OversampleV = 1;
1313 PixelSnapH = false;
1314 GlyphExtraSpacing = ImVec2(0.0f, 0.0f);
1315 GlyphOffset = ImVec2(0.0f, 0.0f);
1316 GlyphRanges = NULL;
1317 MergeMode = false;
1318 RasterizerFlags = 0x00;
1319 RasterizerMultiply = 1.0f;
1320 memset(Name, 0, sizeof(Name));
1321 DstFont = NULL;
1322 }
1323
1324 //-----------------------------------------------------------------------------
1325 // ImFontAtlas
1326 //-----------------------------------------------------------------------------
1327
1328 // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
1329 // The white texels on the top left are the ones we'll use everywhere in ImGui to render filled shapes.
1330 const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 90;
1331 const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
1332 const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
1333 static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
1334 {
1335 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX"
1336 "..- -X.....X- X.X - X.X -X.....X - X.....X"
1337 "--- -XXX.XXX- X...X - X...X -X....X - X....X"
1338 "X - X.X - X.....X - X.....X -X...X - X...X"
1339 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X"
1340 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X"
1341 "X..X - X.X - X.X - X.X -XX X.X - X.X XX"
1342 "X...X - X.X - X.X - XX X.X XX - X.X - X.X "
1343 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X "
1344 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X "
1345 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X "
1346 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X "
1347 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X "
1348 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X "
1349 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X "
1350 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X "
1351 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX "
1352 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------"
1353 "X.X X..X - -X.......X- X.......X - XX XX - "
1354 "XX X..X - - X.....X - X.....X - X.X X.X - "
1355 " X..X - X...X - X...X - X..X X..X - "
1356 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - "
1357 "------------ - X - X -X.....................X- "
1358 " ----------------------------------- X...XXXXXXXXXXXXX...X - "
1359 " - X..X X..X - "
1360 " - X.X X.X - "
1361 " - XX XX - "
1362 };
1363
1364 static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
1365 {
1366 // Pos ........ Size ......... Offset ......
1367 { ImVec2(0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
1368 { ImVec2(13,0), ImVec2(7,16), ImVec2( 4, 8) }, // ImGuiMouseCursor_TextInput
1369 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
1370 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 5,11) }, // ImGuiMouseCursor_ResizeNS
1371 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 5) }, // ImGuiMouseCursor_ResizeEW
1372 { ImVec2(73,0), ImVec2(17,17), ImVec2( 9, 9) }, // ImGuiMouseCursor_ResizeNESW
1373 { ImVec2(55,0), ImVec2(17,17), ImVec2( 9, 9) }, // ImGuiMouseCursor_ResizeNWSE
1374 };
1375
ImFontAtlas()1376 ImFontAtlas::ImFontAtlas()
1377 {
1378 Flags = 0x00;
1379 TexID = NULL;
1380 TexDesiredWidth = 0;
1381 TexGlyphPadding = 1;
1382
1383 TexPixelsAlpha8 = NULL;
1384 TexPixelsRGBA32 = NULL;
1385 TexWidth = TexHeight = 0;
1386 TexUvScale = ImVec2(0.0f, 0.0f);
1387 TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1388 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1389 CustomRectIds[n] = -1;
1390 }
1391
~ImFontAtlas()1392 ImFontAtlas::~ImFontAtlas()
1393 {
1394 Clear();
1395 }
1396
ClearInputData()1397 void ImFontAtlas::ClearInputData()
1398 {
1399 for (int i = 0; i < ConfigData.Size; i++)
1400 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas)
1401 {
1402 ImGui::MemFree(ConfigData[i].FontData);
1403 ConfigData[i].FontData = NULL;
1404 }
1405
1406 // When clearing this we lose access to the font name and other information used to build the font.
1407 for (int i = 0; i < Fonts.Size; i++)
1408 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size)
1409 {
1410 Fonts[i]->ConfigData = NULL;
1411 Fonts[i]->ConfigDataCount = 0;
1412 }
1413 ConfigData.clear();
1414 CustomRects.clear();
1415 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
1416 CustomRectIds[n] = -1;
1417 }
1418
ClearTexData()1419 void ImFontAtlas::ClearTexData()
1420 {
1421 if (TexPixelsAlpha8)
1422 ImGui::MemFree(TexPixelsAlpha8);
1423 if (TexPixelsRGBA32)
1424 ImGui::MemFree(TexPixelsRGBA32);
1425 TexPixelsAlpha8 = NULL;
1426 TexPixelsRGBA32 = NULL;
1427 }
1428
ClearFonts()1429 void ImFontAtlas::ClearFonts()
1430 {
1431 for (int i = 0; i < Fonts.Size; i++)
1432 IM_DELETE(Fonts[i]);
1433 Fonts.clear();
1434 }
1435
Clear()1436 void ImFontAtlas::Clear()
1437 {
1438 ClearInputData();
1439 ClearTexData();
1440 ClearFonts();
1441 }
1442
GetTexDataAsAlpha8(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1443 void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1444 {
1445 // Build atlas on demand
1446 if (TexPixelsAlpha8 == NULL)
1447 {
1448 if (ConfigData.empty())
1449 AddFontDefault();
1450 Build();
1451 }
1452
1453 *out_pixels = TexPixelsAlpha8;
1454 if (out_width) *out_width = TexWidth;
1455 if (out_height) *out_height = TexHeight;
1456 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
1457 }
1458
GetTexDataAsRGBA32(unsigned char ** out_pixels,int * out_width,int * out_height,int * out_bytes_per_pixel)1459 void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
1460 {
1461 // Convert to RGBA32 format on demand
1462 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
1463 if (!TexPixelsRGBA32)
1464 {
1465 unsigned char* pixels = NULL;
1466 GetTexDataAsAlpha8(&pixels, NULL, NULL);
1467 if (pixels)
1468 {
1469 TexPixelsRGBA32 = (unsigned int*)ImGui::MemAlloc((size_t)(TexWidth * TexHeight * 4));
1470 const unsigned char* src = pixels;
1471 unsigned int* dst = TexPixelsRGBA32;
1472 for (int n = TexWidth * TexHeight; n > 0; n--)
1473 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
1474 }
1475 }
1476
1477 *out_pixels = (unsigned char*)TexPixelsRGBA32;
1478 if (out_width) *out_width = TexWidth;
1479 if (out_height) *out_height = TexHeight;
1480 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
1481 }
1482
AddFont(const ImFontConfig * font_cfg)1483 ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
1484 {
1485 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
1486 IM_ASSERT(font_cfg->SizePixels > 0.0f);
1487
1488 // Create new font
1489 if (!font_cfg->MergeMode)
1490 Fonts.push_back(IM_NEW(ImFont));
1491 else
1492 IM_ASSERT(!Fonts.empty()); // 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.
1493
1494 ConfigData.push_back(*font_cfg);
1495 ImFontConfig& new_font_cfg = ConfigData.back();
1496 if (!new_font_cfg.DstFont)
1497 new_font_cfg.DstFont = Fonts.back();
1498 if (!new_font_cfg.FontDataOwnedByAtlas)
1499 {
1500 new_font_cfg.FontData = ImGui::MemAlloc(new_font_cfg.FontDataSize);
1501 new_font_cfg.FontDataOwnedByAtlas = true;
1502 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
1503 }
1504
1505 // Invalidate texture
1506 ClearTexData();
1507 return new_font_cfg.DstFont;
1508 }
1509
1510 // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
1511 static unsigned int stb_decompress_length(const unsigned char *input);
1512 static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length);
1513 static const char* GetDefaultCompressedFontDataTTFBase85();
Decode85Byte(char c)1514 static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
Decode85(const unsigned char * src,unsigned char * dst)1515 static void Decode85(const unsigned char* src, unsigned char* dst)
1516 {
1517 while (*src)
1518 {
1519 unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4]))));
1520 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.
1521 src += 5;
1522 dst += 4;
1523 }
1524 }
1525
1526 // Load embedded ProggyClean.ttf at size 13, disable oversampling
AddFontDefault(const ImFontConfig * font_cfg_template)1527 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
1528 {
1529 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1530 if (!font_cfg_template)
1531 {
1532 font_cfg.OversampleH = font_cfg.OversampleV = 1;
1533 font_cfg.PixelSnapH = true;
1534 }
1535 if (font_cfg.Name[0] == '\0') strcpy(font_cfg.Name, "ProggyClean.ttf, 13px");
1536 if (font_cfg.SizePixels <= 0.0f) font_cfg.SizePixels = 13.0f;
1537
1538 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
1539 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, GetGlyphRangesDefault());
1540 font->DisplayOffset.y = 1.0f;
1541 return font;
1542 }
1543
AddFontFromFileTTF(const char * filename,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1544 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1545 {
1546 int data_size = 0;
1547 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
1548 if (!data)
1549 {
1550 IM_ASSERT(0); // Could not load file.
1551 return NULL;
1552 }
1553 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1554 if (font_cfg.Name[0] == '\0')
1555 {
1556 // Store a short copy of filename into into the font name for convenience
1557 const char* p;
1558 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
1559 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels);
1560 }
1561 return AddFontFromMemoryTTF(data, data_size, size_pixels, &font_cfg, glyph_ranges);
1562 }
1563
1564 // 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)1565 ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1566 {
1567 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1568 IM_ASSERT(font_cfg.FontData == NULL);
1569 font_cfg.FontData = ttf_data;
1570 font_cfg.FontDataSize = ttf_size;
1571 font_cfg.SizePixels = size_pixels;
1572 if (glyph_ranges)
1573 font_cfg.GlyphRanges = glyph_ranges;
1574 return AddFont(&font_cfg);
1575 }
1576
AddFontFromMemoryCompressedTTF(const void * compressed_ttf_data,int compressed_ttf_size,float size_pixels,const ImFontConfig * font_cfg_template,const ImWchar * glyph_ranges)1577 ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
1578 {
1579 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data);
1580 unsigned char* buf_decompressed_data = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size);
1581 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
1582
1583 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
1584 IM_ASSERT(font_cfg.FontData == NULL);
1585 font_cfg.FontDataOwnedByAtlas = true;
1586 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
1587 }
1588
AddFontFromMemoryCompressedBase85TTF(const char * compressed_ttf_data_base85,float size_pixels,const ImFontConfig * font_cfg,const ImWchar * glyph_ranges)1589 ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
1590 {
1591 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
1592 void* compressed_ttf = ImGui::MemAlloc((size_t)compressed_ttf_size);
1593 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
1594 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
1595 ImGui::MemFree(compressed_ttf);
1596 return font;
1597 }
1598
AddCustomRectRegular(unsigned int id,int width,int height)1599 int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
1600 {
1601 IM_ASSERT(id >= 0x10000);
1602 IM_ASSERT(width > 0 && width <= 0xFFFF);
1603 IM_ASSERT(height > 0 && height <= 0xFFFF);
1604 CustomRect r;
1605 r.ID = id;
1606 r.Width = (unsigned short)width;
1607 r.Height = (unsigned short)height;
1608 CustomRects.push_back(r);
1609 return CustomRects.Size - 1; // Return index
1610 }
1611
AddCustomRectFontGlyph(ImFont * font,ImWchar id,int width,int height,float advance_x,const ImVec2 & offset)1612 int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
1613 {
1614 IM_ASSERT(font != NULL);
1615 IM_ASSERT(width > 0 && width <= 0xFFFF);
1616 IM_ASSERT(height > 0 && height <= 0xFFFF);
1617 CustomRect r;
1618 r.ID = id;
1619 r.Width = (unsigned short)width;
1620 r.Height = (unsigned short)height;
1621 r.GlyphAdvanceX = advance_x;
1622 r.GlyphOffset = offset;
1623 r.Font = font;
1624 CustomRects.push_back(r);
1625 return CustomRects.Size - 1; // Return index
1626 }
1627
CalcCustomRectUV(const CustomRect * rect,ImVec2 * out_uv_min,ImVec2 * out_uv_max)1628 void ImFontAtlas::CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max)
1629 {
1630 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
1631 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
1632 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
1633 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
1634 }
1635
GetMouseCursorTexData(ImGuiMouseCursor cursor_type,ImVec2 * out_offset,ImVec2 * out_size,ImVec2 out_uv_border[2],ImVec2 out_uv_fill[2])1636 bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
1637 {
1638 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
1639 return false;
1640 if (Flags & ImFontAtlasFlags_NoMouseCursors)
1641 return false;
1642
1643 IM_ASSERT(CustomRectIds[0] != -1);
1644 ImFontAtlas::CustomRect& r = CustomRects[CustomRectIds[0]];
1645 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
1646 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y);
1647 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
1648 *out_size = size;
1649 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
1650 out_uv_border[0] = (pos) * TexUvScale;
1651 out_uv_border[1] = (pos + size) * TexUvScale;
1652 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
1653 out_uv_fill[0] = (pos) * TexUvScale;
1654 out_uv_fill[1] = (pos + size) * TexUvScale;
1655 return true;
1656 }
1657
Build()1658 bool ImFontAtlas::Build()
1659 {
1660 return ImFontAtlasBuildWithStbTruetype(this);
1661 }
1662
ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256],float in_brighten_factor)1663 void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
1664 {
1665 for (unsigned int i = 0; i < 256; i++)
1666 {
1667 unsigned int value = (unsigned int)(i * in_brighten_factor);
1668 out_table[i] = value > 255 ? 255 : (value & 0xFF);
1669 }
1670 }
1671
ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256],unsigned char * pixels,int x,int y,int w,int h,int stride)1672 void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
1673 {
1674 unsigned char* data = pixels + x + y * stride;
1675 for (int j = h; j > 0; j--, data += stride)
1676 for (int i = 0; i < w; i++)
1677 data[i] = table[data[i]];
1678 }
1679
ImFontAtlasBuildWithStbTruetype(ImFontAtlas * atlas)1680 bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
1681 {
1682 IM_ASSERT(atlas->ConfigData.Size > 0);
1683
1684 ImFontAtlasBuildRegisterDefaultCustomRects(atlas);
1685
1686 atlas->TexID = NULL;
1687 atlas->TexWidth = atlas->TexHeight = 0;
1688 atlas->TexUvScale = ImVec2(0.0f, 0.0f);
1689 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
1690 atlas->ClearTexData();
1691
1692 // Count glyphs/ranges
1693 int total_glyphs_count = 0;
1694 int total_ranges_count = 0;
1695 for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
1696 {
1697 ImFontConfig& cfg = atlas->ConfigData[input_i];
1698 if (!cfg.GlyphRanges)
1699 cfg.GlyphRanges = atlas->GetGlyphRangesDefault();
1700 for (const ImWchar* in_range = cfg.GlyphRanges; in_range[0] && in_range[1]; in_range += 2, total_ranges_count++)
1701 total_glyphs_count += (in_range[1] - in_range[0]) + 1;
1702 }
1703
1704 // We need a width for the skyline algorithm. Using a dumb heuristic here to decide of width. User can override TexDesiredWidth and TexGlyphPadding if they wish.
1705 // Width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
1706 atlas->TexWidth = (atlas->TexDesiredWidth > 0) ? atlas->TexDesiredWidth : (total_glyphs_count > 4000) ? 4096 : (total_glyphs_count > 2000) ? 2048 : (total_glyphs_count > 1000) ? 1024 : 512;
1707 atlas->TexHeight = 0;
1708
1709 // Start packing
1710 const int max_tex_height = 1024*32;
1711 stbtt_pack_context spc = {};
1712 if (!stbtt_PackBegin(&spc, NULL, atlas->TexWidth, max_tex_height, 0, atlas->TexGlyphPadding, NULL))
1713 return false;
1714 stbtt_PackSetOversampling(&spc, 1, 1);
1715
1716 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
1717 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
1718
1719 // Initialize font information (so we can error without any cleanup)
1720 struct ImFontTempBuildData
1721 {
1722 stbtt_fontinfo FontInfo;
1723 stbrp_rect* Rects;
1724 int RectsCount;
1725 stbtt_pack_range* Ranges;
1726 int RangesCount;
1727 };
1728 ImFontTempBuildData* tmp_array = (ImFontTempBuildData*)ImGui::MemAlloc((size_t)atlas->ConfigData.Size * sizeof(ImFontTempBuildData));
1729 for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
1730 {
1731 ImFontConfig& cfg = atlas->ConfigData[input_i];
1732 ImFontTempBuildData& tmp = tmp_array[input_i];
1733 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
1734
1735 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
1736 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
1737 if (!stbtt_InitFont(&tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
1738 {
1739 atlas->TexWidth = atlas->TexHeight = 0; // Reset output on failure
1740 ImGui::MemFree(tmp_array);
1741 return false;
1742 }
1743 }
1744
1745 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
1746 int buf_packedchars_n = 0, buf_rects_n = 0, buf_ranges_n = 0;
1747 stbtt_packedchar* buf_packedchars = (stbtt_packedchar*)ImGui::MemAlloc(total_glyphs_count * sizeof(stbtt_packedchar));
1748 stbrp_rect* buf_rects = (stbrp_rect*)ImGui::MemAlloc(total_glyphs_count * sizeof(stbrp_rect));
1749 stbtt_pack_range* buf_ranges = (stbtt_pack_range*)ImGui::MemAlloc(total_ranges_count * sizeof(stbtt_pack_range));
1750 memset(buf_packedchars, 0, total_glyphs_count * sizeof(stbtt_packedchar));
1751 memset(buf_rects, 0, total_glyphs_count * sizeof(stbrp_rect)); // Unnecessary but let's clear this for the sake of sanity.
1752 memset(buf_ranges, 0, total_ranges_count * sizeof(stbtt_pack_range));
1753
1754 // First font pass: pack all glyphs (no rendering at this point, we are working with rectangles in an infinitely tall texture at this point)
1755 for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
1756 {
1757 ImFontConfig& cfg = atlas->ConfigData[input_i];
1758 ImFontTempBuildData& tmp = tmp_array[input_i];
1759
1760 // Setup ranges
1761 int font_glyphs_count = 0;
1762 int font_ranges_count = 0;
1763 for (const ImWchar* in_range = cfg.GlyphRanges; in_range[0] && in_range[1]; in_range += 2, font_ranges_count++)
1764 font_glyphs_count += (in_range[1] - in_range[0]) + 1;
1765 tmp.Ranges = buf_ranges + buf_ranges_n;
1766 tmp.RangesCount = font_ranges_count;
1767 buf_ranges_n += font_ranges_count;
1768 for (int i = 0; i < font_ranges_count; i++)
1769 {
1770 const ImWchar* in_range = &cfg.GlyphRanges[i * 2];
1771 stbtt_pack_range& range = tmp.Ranges[i];
1772 range.font_size = cfg.SizePixels;
1773 range.first_unicode_codepoint_in_range = in_range[0];
1774 range.num_chars = (in_range[1] - in_range[0]) + 1;
1775 range.chardata_for_range = buf_packedchars + buf_packedchars_n;
1776 buf_packedchars_n += range.num_chars;
1777 }
1778
1779 // Pack
1780 tmp.Rects = buf_rects + buf_rects_n;
1781 tmp.RectsCount = font_glyphs_count;
1782 buf_rects_n += font_glyphs_count;
1783 stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
1784 int n = stbtt_PackFontRangesGatherRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
1785 IM_ASSERT(n == font_glyphs_count);
1786 stbrp_pack_rects((stbrp_context*)spc.pack_info, tmp.Rects, n);
1787
1788 // Extend texture height
1789 for (int i = 0; i < n; i++)
1790 if (tmp.Rects[i].was_packed)
1791 atlas->TexHeight = ImMax(atlas->TexHeight, tmp.Rects[i].y + tmp.Rects[i].h);
1792 }
1793 IM_ASSERT(buf_rects_n == total_glyphs_count);
1794 IM_ASSERT(buf_packedchars_n == total_glyphs_count);
1795 IM_ASSERT(buf_ranges_n == total_ranges_count);
1796
1797 // Create texture
1798 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
1799 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
1800 atlas->TexPixelsAlpha8 = (unsigned char*)ImGui::MemAlloc(atlas->TexWidth * atlas->TexHeight);
1801 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
1802 spc.pixels = atlas->TexPixelsAlpha8;
1803 spc.height = atlas->TexHeight;
1804
1805 // Second pass: render font characters
1806 for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
1807 {
1808 ImFontConfig& cfg = atlas->ConfigData[input_i];
1809 ImFontTempBuildData& tmp = tmp_array[input_i];
1810 stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
1811 stbtt_PackFontRangesRenderIntoRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
1812 if (cfg.RasterizerMultiply != 1.0f)
1813 {
1814 unsigned char multiply_table[256];
1815 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
1816 for (const stbrp_rect* r = tmp.Rects; r != tmp.Rects + tmp.RectsCount; r++)
1817 if (r->was_packed)
1818 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, spc.pixels, r->x, r->y, r->w, r->h, spc.stride_in_bytes);
1819 }
1820 tmp.Rects = NULL;
1821 }
1822
1823 // End packing
1824 stbtt_PackEnd(&spc);
1825 ImGui::MemFree(buf_rects);
1826 buf_rects = NULL;
1827
1828 // Third pass: setup ImFont and glyphs for runtime
1829 for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
1830 {
1831 ImFontConfig& cfg = atlas->ConfigData[input_i];
1832 ImFontTempBuildData& tmp = tmp_array[input_i];
1833 ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
1834 if (cfg.MergeMode)
1835 dst_font->BuildLookupTable();
1836
1837 const float font_scale = stbtt_ScaleForPixelHeight(&tmp.FontInfo, cfg.SizePixels);
1838 int unscaled_ascent, unscaled_descent, unscaled_line_gap;
1839 stbtt_GetFontVMetrics(&tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
1840
1841 const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1));
1842 const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
1843 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
1844 const float off_x = cfg.GlyphOffset.x;
1845 const float off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
1846
1847 for (int i = 0; i < tmp.RangesCount; i++)
1848 {
1849 stbtt_pack_range& range = tmp.Ranges[i];
1850 for (int char_idx = 0; char_idx < range.num_chars; char_idx += 1)
1851 {
1852 const stbtt_packedchar& pc = range.chardata_for_range[char_idx];
1853 if (!pc.x0 && !pc.x1 && !pc.y0 && !pc.y1)
1854 continue;
1855
1856 const int codepoint = range.first_unicode_codepoint_in_range + char_idx;
1857 if (cfg.MergeMode && dst_font->FindGlyphNoFallback((unsigned short)codepoint))
1858 continue;
1859
1860 stbtt_aligned_quad q;
1861 float dummy_x = 0.0f, dummy_y = 0.0f;
1862 stbtt_GetPackedQuad(range.chardata_for_range, atlas->TexWidth, atlas->TexHeight, char_idx, &dummy_x, &dummy_y, &q, 0);
1863 dst_font->AddGlyph((ImWchar)codepoint, q.x0 + off_x, q.y0 + off_y, q.x1 + off_x, q.y1 + off_y, q.s0, q.t0, q.s1, q.t1, pc.xadvance);
1864 }
1865 }
1866 }
1867
1868 // Cleanup temporaries
1869 ImGui::MemFree(buf_packedchars);
1870 ImGui::MemFree(buf_ranges);
1871 ImGui::MemFree(tmp_array);
1872
1873 ImFontAtlasBuildFinish(atlas);
1874
1875 return true;
1876 }
1877
ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas * atlas)1878 void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas)
1879 {
1880 if (atlas->CustomRectIds[0] >= 0)
1881 return;
1882 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
1883 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);
1884 else
1885 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2);
1886 }
1887
ImFontAtlasBuildSetupFont(ImFontAtlas * atlas,ImFont * font,ImFontConfig * font_config,float ascent,float descent)1888 void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
1889 {
1890 if (!font_config->MergeMode)
1891 {
1892 font->ClearOutputData();
1893 font->FontSize = font_config->SizePixels;
1894 font->ConfigData = font_config;
1895 font->ContainerAtlas = atlas;
1896 font->Ascent = ascent;
1897 font->Descent = descent;
1898 }
1899 font->ConfigDataCount++;
1900 }
1901
ImFontAtlasBuildPackCustomRects(ImFontAtlas * atlas,void * pack_context_opaque)1902 void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* pack_context_opaque)
1903 {
1904 stbrp_context* pack_context = (stbrp_context*)pack_context_opaque;
1905
1906 ImVector<ImFontAtlas::CustomRect>& user_rects = atlas->CustomRects;
1907 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
1908
1909 ImVector<stbrp_rect> pack_rects;
1910 pack_rects.resize(user_rects.Size);
1911 memset(pack_rects.Data, 0, sizeof(stbrp_rect) * user_rects.Size);
1912 for (int i = 0; i < user_rects.Size; i++)
1913 {
1914 pack_rects[i].w = user_rects[i].Width;
1915 pack_rects[i].h = user_rects[i].Height;
1916 }
1917 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
1918 for (int i = 0; i < pack_rects.Size; i++)
1919 if (pack_rects[i].was_packed)
1920 {
1921 user_rects[i].X = pack_rects[i].x;
1922 user_rects[i].Y = pack_rects[i].y;
1923 IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
1924 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
1925 }
1926 }
1927
ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas * atlas)1928 static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
1929 {
1930 IM_ASSERT(atlas->CustomRectIds[0] >= 0);
1931 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL);
1932 ImFontAtlas::CustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]];
1933 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
1934 IM_ASSERT(r.IsPacked());
1935
1936 const int w = atlas->TexWidth;
1937 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
1938 {
1939 // Render/copy pixels
1940 IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
1941 for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++)
1942 for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++)
1943 {
1944 const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w;
1945 const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
1946 atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00;
1947 atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00;
1948 }
1949 }
1950 else
1951 {
1952 IM_ASSERT(r.Width == 2 && r.Height == 2);
1953 const int offset = (int)(r.X) + (int)(r.Y) * w;
1954 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
1955 }
1956 atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y);
1957 }
1958
ImFontAtlasBuildFinish(ImFontAtlas * atlas)1959 void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
1960 {
1961 // Render into our custom data block
1962 ImFontAtlasBuildRenderDefaultTexData(atlas);
1963
1964 // Register custom rectangle glyphs
1965 for (int i = 0; i < atlas->CustomRects.Size; i++)
1966 {
1967 const ImFontAtlas::CustomRect& r = atlas->CustomRects[i];
1968 if (r.Font == NULL || r.ID > 0x10000)
1969 continue;
1970
1971 IM_ASSERT(r.Font->ContainerAtlas == atlas);
1972 ImVec2 uv0, uv1;
1973 atlas->CalcCustomRectUV(&r, &uv0, &uv1);
1974 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);
1975 }
1976
1977 // Build all fonts lookup tables
1978 for (int i = 0; i < atlas->Fonts.Size; i++)
1979 if (atlas->Fonts[i]->DirtyLookupTables)
1980 atlas->Fonts[i]->BuildLookupTable();
1981 }
1982
1983 // Retrieve list of range (2 int per range, values are inclusive)
GetGlyphRangesDefault()1984 const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
1985 {
1986 static const ImWchar ranges[] =
1987 {
1988 0x0020, 0x00FF, // Basic Latin + Latin Supplement
1989 0,
1990 };
1991 return &ranges[0];
1992 }
1993
GetGlyphRangesKorean()1994 const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
1995 {
1996 static const ImWchar ranges[] =
1997 {
1998 0x0020, 0x00FF, // Basic Latin + Latin Supplement
1999 0x3131, 0x3163, // Korean alphabets
2000 0xAC00, 0xD79D, // Korean characters
2001 0,
2002 };
2003 return &ranges[0];
2004 }
2005
GetGlyphRangesChinese()2006 const ImWchar* ImFontAtlas::GetGlyphRangesChinese()
2007 {
2008 static const ImWchar ranges[] =
2009 {
2010 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2011 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
2012 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2013 0xFF00, 0xFFEF, // Half-width characters
2014 0x4e00, 0x9FAF, // CJK Ideograms
2015 0,
2016 };
2017 return &ranges[0];
2018 }
2019
GetGlyphRangesJapanese()2020 const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
2021 {
2022 // Store the 1946 ideograms code points as successive offsets from the initial unicode codepoint 0x4E00. Each offset has an implicit +1.
2023 // This encoding is designed to helps us reduce the source code size.
2024 // FIXME: Source a list of the revised 2136 joyo kanji list from 2010 and rebuild this.
2025 // The current list was sourced from http://theinstructionlimit.com/author/renaudbedardrenaudbedard/page/3
2026 // Note that you may use ImFontAtlas::GlyphRangesBuilder to create your own ranges, by merging existing ranges or adding new characters.
2027 static const short offsets_from_0x4E00[] =
2028 {
2029 -1,0,1,3,0,0,0,0,1,0,5,1,1,0,7,4,6,10,0,1,9,9,7,1,3,19,1,10,7,1,0,1,0,5,1,0,6,4,2,6,0,0,12,6,8,0,3,5,0,1,0,9,0,0,8,1,1,3,4,5,13,0,0,8,2,17,
2030 4,3,1,1,9,6,0,0,0,2,1,3,2,22,1,9,11,1,13,1,3,12,0,5,9,2,0,6,12,5,3,12,4,1,2,16,1,1,4,6,5,3,0,6,13,15,5,12,8,14,0,0,6,15,3,6,0,18,8,1,6,14,1,
2031 5,4,12,24,3,13,12,10,24,0,0,0,1,0,1,1,2,9,10,2,2,0,0,3,3,1,0,3,8,0,3,2,4,4,1,6,11,10,14,6,15,3,4,15,1,0,0,5,2,2,0,0,1,6,5,5,6,0,3,6,5,0,0,1,0,
2032 11,2,2,8,4,7,0,10,0,1,2,17,19,3,0,2,5,0,6,2,4,4,6,1,1,11,2,0,3,1,2,1,2,10,7,6,3,16,0,8,24,0,0,3,1,1,3,0,1,6,0,0,0,2,0,1,5,15,0,1,0,0,2,11,19,
2033 1,4,19,7,6,5,1,0,0,0,0,5,1,0,1,9,0,0,5,0,2,0,1,0,3,0,11,3,0,2,0,0,0,0,0,9,3,6,4,12,0,14,0,0,29,10,8,0,14,37,13,0,31,16,19,0,8,30,1,20,8,3,48,
2034 21,1,0,12,0,10,44,34,42,54,11,18,82,0,2,1,2,12,1,0,6,2,17,2,12,7,0,7,17,4,2,6,24,23,8,23,39,2,16,23,1,0,5,1,2,15,14,5,6,2,11,0,8,6,2,2,2,14,
2035 20,4,15,3,4,11,10,10,2,5,2,1,30,2,1,0,0,22,5,5,0,3,1,5,4,1,0,0,2,2,21,1,5,1,2,16,2,1,3,4,0,8,4,0,0,5,14,11,2,16,1,13,1,7,0,22,15,3,1,22,7,14,
2036 22,19,11,24,18,46,10,20,64,45,3,2,0,4,5,0,1,4,25,1,0,0,2,10,0,0,0,1,0,1,2,0,0,9,1,2,0,0,0,2,5,2,1,1,5,5,8,1,1,1,5,1,4,9,1,3,0,1,0,1,1,2,0,0,
2037 2,0,1,8,22,8,1,0,0,0,0,4,2,1,0,9,8,5,0,9,1,30,24,2,6,4,39,0,14,5,16,6,26,179,0,2,1,1,0,0,0,5,2,9,6,0,2,5,16,7,5,1,1,0,2,4,4,7,15,13,14,0,0,
2038 3,0,1,0,0,0,2,1,6,4,5,1,4,9,0,3,1,8,0,0,10,5,0,43,0,2,6,8,4,0,2,0,0,9,6,0,9,3,1,6,20,14,6,1,4,0,7,2,3,0,2,0,5,0,3,1,0,3,9,7,0,3,4,0,4,9,1,6,0,
2039 9,0,0,2,3,10,9,28,3,6,2,4,1,2,32,4,1,18,2,0,3,1,5,30,10,0,2,2,2,0,7,9,8,11,10,11,7,2,13,7,5,10,0,3,40,2,0,1,6,12,0,4,5,1,5,11,11,21,4,8,3,7,
2040 8,8,33,5,23,0,0,19,8,8,2,3,0,6,1,1,1,5,1,27,4,2,5,0,3,5,6,3,1,0,3,1,12,5,3,3,2,0,7,7,2,1,0,4,0,1,1,2,0,10,10,6,2,5,9,7,5,15,15,21,6,11,5,20,
2041 4,3,5,5,2,5,0,2,1,0,1,7,28,0,9,0,5,12,5,5,18,30,0,12,3,3,21,16,25,32,9,3,14,11,24,5,66,9,1,2,0,5,9,1,5,1,8,0,8,3,3,0,1,15,1,4,8,1,2,7,0,7,2,
2042 8,3,7,5,3,7,10,2,1,0,0,2,25,0,6,4,0,10,0,4,2,4,1,12,5,38,4,0,4,1,10,5,9,4,0,14,4,2,5,18,20,21,1,3,0,5,0,7,0,3,7,1,3,1,1,8,1,0,0,0,3,2,5,2,11,
2043 6,0,13,1,3,9,1,12,0,16,6,2,1,0,2,1,12,6,13,11,2,0,28,1,7,8,14,13,8,13,0,2,0,5,4,8,10,2,37,42,19,6,6,7,4,14,11,18,14,80,7,6,0,4,72,12,36,27,
2044 7,7,0,14,17,19,164,27,0,5,10,7,3,13,6,14,0,2,2,5,3,0,6,13,0,0,10,29,0,4,0,3,13,0,3,1,6,51,1,5,28,2,0,8,0,20,2,4,0,25,2,10,13,10,0,16,4,0,1,0,
2045 2,1,7,0,1,8,11,0,0,1,2,7,2,23,11,6,6,4,16,2,2,2,0,22,9,3,3,5,2,0,15,16,21,2,9,20,15,15,5,3,9,1,0,0,1,7,7,5,4,2,2,2,38,24,14,0,0,15,5,6,24,14,
2046 5,5,11,0,21,12,0,3,8,4,11,1,8,0,11,27,7,2,4,9,21,59,0,1,39,3,60,62,3,0,12,11,0,3,30,11,0,13,88,4,15,5,28,13,1,4,48,17,17,4,28,32,46,0,16,0,
2047 18,11,1,8,6,38,11,2,6,11,38,2,0,45,3,11,2,7,8,4,30,14,17,2,1,1,65,18,12,16,4,2,45,123,12,56,33,1,4,3,4,7,0,0,0,3,2,0,16,4,2,4,2,0,7,4,5,2,26,
2048 2,25,6,11,6,1,16,2,6,17,77,15,3,35,0,1,0,5,1,0,38,16,6,3,12,3,3,3,0,9,3,1,3,5,2,9,0,18,0,25,1,3,32,1,72,46,6,2,7,1,3,14,17,0,28,1,40,13,0,20,
2049 15,40,6,38,24,12,43,1,1,9,0,12,6,0,6,2,4,19,3,7,1,48,0,9,5,0,5,6,9,6,10,15,2,11,19,3,9,2,0,1,10,1,27,8,1,3,6,1,14,0,26,0,27,16,3,4,9,6,2,23,
2050 9,10,5,25,2,1,6,1,1,48,15,9,15,14,3,4,26,60,29,13,37,21,1,6,4,0,2,11,22,23,16,16,2,2,1,3,0,5,1,6,4,0,0,4,0,0,8,3,0,2,5,0,7,1,7,3,13,2,4,10,
2051 3,0,2,31,0,18,3,0,12,10,4,1,0,7,5,7,0,5,4,12,2,22,10,4,2,15,2,8,9,0,23,2,197,51,3,1,1,4,13,4,3,21,4,19,3,10,5,40,0,4,1,1,10,4,1,27,34,7,21,
2052 2,17,2,9,6,4,2,3,0,4,2,7,8,2,5,1,15,21,3,4,4,2,2,17,22,1,5,22,4,26,7,0,32,1,11,42,15,4,1,2,5,0,19,3,1,8,6,0,10,1,9,2,13,30,8,2,24,17,19,1,4,
2053 4,25,13,0,10,16,11,39,18,8,5,30,82,1,6,8,18,77,11,13,20,75,11,112,78,33,3,0,0,60,17,84,9,1,1,12,30,10,49,5,32,158,178,5,5,6,3,3,1,3,1,4,7,6,
2054 19,31,21,0,2,9,5,6,27,4,9,8,1,76,18,12,1,4,0,3,3,6,3,12,2,8,30,16,2,25,1,5,5,4,3,0,6,10,2,3,1,0,5,1,19,3,0,8,1,5,2,6,0,0,0,19,1,2,0,5,1,2,5,
2055 1,3,7,0,4,12,7,3,10,22,0,9,5,1,0,2,20,1,1,3,23,30,3,9,9,1,4,191,14,3,15,6,8,50,0,1,0,0,4,0,0,1,0,2,4,2,0,2,3,0,2,0,2,2,8,7,0,1,1,1,3,3,17,11,
2056 91,1,9,3,2,13,4,24,15,41,3,13,3,1,20,4,125,29,30,1,0,4,12,2,21,4,5,5,19,11,0,13,11,86,2,18,0,7,1,8,8,2,2,22,1,2,6,5,2,0,1,2,8,0,2,0,5,2,1,0,
2057 2,10,2,0,5,9,2,1,2,0,1,0,4,0,0,10,2,5,3,0,6,1,0,1,4,4,33,3,13,17,3,18,6,4,7,1,5,78,0,4,1,13,7,1,8,1,0,35,27,15,3,0,0,0,1,11,5,41,38,15,22,6,
2058 14,14,2,1,11,6,20,63,5,8,27,7,11,2,2,40,58,23,50,54,56,293,8,8,1,5,1,14,0,1,12,37,89,8,8,8,2,10,6,0,0,0,4,5,2,1,0,1,1,2,7,0,3,3,0,4,6,0,3,2,
2059 19,3,8,0,0,0,4,4,16,0,4,1,5,1,3,0,3,4,6,2,17,10,10,31,6,4,3,6,10,126,7,3,2,2,0,9,0,0,5,20,13,0,15,0,6,0,2,5,8,64,50,3,2,12,2,9,0,0,11,8,20,
2060 109,2,18,23,0,0,9,61,3,0,28,41,77,27,19,17,81,5,2,14,5,83,57,252,14,154,263,14,20,8,13,6,57,39,38,
2061 };
2062 static ImWchar base_ranges[] =
2063 {
2064 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2065 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
2066 0x31F0, 0x31FF, // Katakana Phonetic Extensions
2067 0xFF00, 0xFFEF, // Half-width characters
2068 };
2069 static bool full_ranges_unpacked = false;
2070 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(offsets_from_0x4E00)*2 + 1];
2071 if (!full_ranges_unpacked)
2072 {
2073 // Unpack
2074 int codepoint = 0x4e00;
2075 memcpy(full_ranges, base_ranges, sizeof(base_ranges));
2076 ImWchar* dst = full_ranges + IM_ARRAYSIZE(base_ranges);
2077 for (int n = 0; n < IM_ARRAYSIZE(offsets_from_0x4E00); n++, dst += 2)
2078 dst[0] = dst[1] = (ImWchar)(codepoint += (offsets_from_0x4E00[n] + 1));
2079 dst[0] = 0;
2080 full_ranges_unpacked = true;
2081 }
2082 return &full_ranges[0];
2083 }
2084
GetGlyphRangesCyrillic()2085 const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
2086 {
2087 static const ImWchar ranges[] =
2088 {
2089 0x0020, 0x00FF, // Basic Latin + Latin Supplement
2090 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
2091 0x2DE0, 0x2DFF, // Cyrillic Extended-A
2092 0xA640, 0xA69F, // Cyrillic Extended-B
2093 0,
2094 };
2095 return &ranges[0];
2096 }
2097
GetGlyphRangesThai()2098 const ImWchar* ImFontAtlas::GetGlyphRangesThai()
2099 {
2100 static const ImWchar ranges[] =
2101 {
2102 0x0020, 0x00FF, // Basic Latin
2103 0x2010, 0x205E, // Punctuations
2104 0x0E00, 0x0E7F, // Thai
2105 0,
2106 };
2107 return &ranges[0];
2108 }
2109
2110 //-----------------------------------------------------------------------------
2111 // ImFontAtlas::GlyphRangesBuilder
2112 //-----------------------------------------------------------------------------
2113
AddText(const char * text,const char * text_end)2114 void ImFontAtlas::GlyphRangesBuilder::AddText(const char* text, const char* text_end)
2115 {
2116 while (text_end ? (text < text_end) : *text)
2117 {
2118 unsigned int c = 0;
2119 int c_len = ImTextCharFromUtf8(&c, text, text_end);
2120 text += c_len;
2121 if (c_len == 0)
2122 break;
2123 if (c < 0x10000)
2124 AddChar((ImWchar)c);
2125 }
2126 }
2127
AddRanges(const ImWchar * ranges)2128 void ImFontAtlas::GlyphRangesBuilder::AddRanges(const ImWchar* ranges)
2129 {
2130 for (; ranges[0]; ranges += 2)
2131 for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
2132 AddChar(c);
2133 }
2134
BuildRanges(ImVector<ImWchar> * out_ranges)2135 void ImFontAtlas::GlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
2136 {
2137 for (int n = 0; n < 0x10000; n++)
2138 if (GetBit(n))
2139 {
2140 out_ranges->push_back((ImWchar)n);
2141 while (n < 0x10000 && GetBit(n + 1))
2142 n++;
2143 out_ranges->push_back((ImWchar)n);
2144 }
2145 out_ranges->push_back(0);
2146 }
2147
2148 //-----------------------------------------------------------------------------
2149 // ImFont
2150 //-----------------------------------------------------------------------------
2151
ImFont()2152 ImFont::ImFont()
2153 {
2154 Scale = 1.0f;
2155 FallbackChar = (ImWchar)'?';
2156 DisplayOffset = ImVec2(0.0f, 0.0f);
2157 ClearOutputData();
2158 }
2159
~ImFont()2160 ImFont::~ImFont()
2161 {
2162 // Invalidate active font so that the user gets a clear crash instead of a dangling pointer.
2163 // If you want to delete fonts you need to do it between Render() and NewFrame().
2164 // FIXME-CLEANUP
2165 /*
2166 ImGuiContext& g = *GImGui;
2167 if (g.Font == this)
2168 g.Font = NULL;
2169 */
2170 ClearOutputData();
2171 }
2172
ClearOutputData()2173 void ImFont::ClearOutputData()
2174 {
2175 FontSize = 0.0f;
2176 Glyphs.clear();
2177 IndexAdvanceX.clear();
2178 IndexLookup.clear();
2179 FallbackGlyph = NULL;
2180 FallbackAdvanceX = 0.0f;
2181 ConfigDataCount = 0;
2182 ConfigData = NULL;
2183 ContainerAtlas = NULL;
2184 Ascent = Descent = 0.0f;
2185 DirtyLookupTables = true;
2186 MetricsTotalSurface = 0;
2187 }
2188
BuildLookupTable()2189 void ImFont::BuildLookupTable()
2190 {
2191 int max_codepoint = 0;
2192 for (int i = 0; i != Glyphs.Size; i++)
2193 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
2194
2195 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
2196 IndexAdvanceX.clear();
2197 IndexLookup.clear();
2198 DirtyLookupTables = false;
2199 GrowIndex(max_codepoint + 1);
2200 for (int i = 0; i < Glyphs.Size; i++)
2201 {
2202 int codepoint = (int)Glyphs[i].Codepoint;
2203 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
2204 IndexLookup[codepoint] = (unsigned short)i;
2205 }
2206
2207 // Create a glyph to handle TAB
2208 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
2209 if (FindGlyph((unsigned short)' '))
2210 {
2211 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
2212 Glyphs.resize(Glyphs.Size + 1);
2213 ImFontGlyph& tab_glyph = Glyphs.back();
2214 tab_glyph = *FindGlyph((unsigned short)' ');
2215 tab_glyph.Codepoint = '\t';
2216 tab_glyph.AdvanceX *= 4;
2217 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
2218 IndexLookup[(int)tab_glyph.Codepoint] = (unsigned short)(Glyphs.Size-1);
2219 }
2220
2221 FallbackGlyph = FindGlyphNoFallback(FallbackChar);
2222 FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f;
2223 for (int i = 0; i < max_codepoint + 1; i++)
2224 if (IndexAdvanceX[i] < 0.0f)
2225 IndexAdvanceX[i] = FallbackAdvanceX;
2226 }
2227
SetFallbackChar(ImWchar c)2228 void ImFont::SetFallbackChar(ImWchar c)
2229 {
2230 FallbackChar = c;
2231 BuildLookupTable();
2232 }
2233
GrowIndex(int new_size)2234 void ImFont::GrowIndex(int new_size)
2235 {
2236 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
2237 if (new_size <= IndexLookup.Size)
2238 return;
2239 IndexAdvanceX.resize(new_size, -1.0f);
2240 IndexLookup.resize(new_size, (unsigned short)-1);
2241 }
2242
AddGlyph(ImWchar codepoint,float x0,float y0,float x1,float y1,float u0,float v0,float u1,float v1,float advance_x)2243 void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
2244 {
2245 Glyphs.resize(Glyphs.Size + 1);
2246 ImFontGlyph& glyph = Glyphs.back();
2247 glyph.Codepoint = (ImWchar)codepoint;
2248 glyph.X0 = x0;
2249 glyph.Y0 = y0;
2250 glyph.X1 = x1;
2251 glyph.Y1 = y1;
2252 glyph.U0 = u0;
2253 glyph.V0 = v0;
2254 glyph.U1 = u1;
2255 glyph.V1 = v1;
2256 glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
2257
2258 if (ConfigData->PixelSnapH)
2259 glyph.AdvanceX = (float)(int)(glyph.AdvanceX + 0.5f);
2260
2261 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
2262 DirtyLookupTables = true;
2263 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f);
2264 }
2265
AddRemapChar(ImWchar dst,ImWchar src,bool overwrite_dst)2266 void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
2267 {
2268 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
2269 int index_size = IndexLookup.Size;
2270
2271 if (dst < index_size && IndexLookup.Data[dst] == (unsigned short)-1 && !overwrite_dst) // 'dst' already exists
2272 return;
2273 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
2274 return;
2275
2276 GrowIndex(dst + 1);
2277 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (unsigned short)-1;
2278 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
2279 }
2280
FindGlyph(ImWchar c) const2281 const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
2282 {
2283 if (c >= IndexLookup.Size)
2284 return FallbackGlyph;
2285 const unsigned short i = IndexLookup[c];
2286 if (i == (unsigned short)-1)
2287 return FallbackGlyph;
2288 return &Glyphs.Data[i];
2289 }
2290
FindGlyphNoFallback(ImWchar c) const2291 const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
2292 {
2293 if (c >= IndexLookup.Size)
2294 return NULL;
2295 const unsigned short i = IndexLookup[c];
2296 if (i == (unsigned short)-1)
2297 return NULL;
2298 return &Glyphs.Data[i];
2299 }
2300
CalcWordWrapPositionA(float scale,const char * text,const char * text_end,float wrap_width) const2301 const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
2302 {
2303 // Simple word-wrapping for English, not full-featured. Please submit failing cases!
2304 // 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.)
2305
2306 // For references, possible wrap point marked with ^
2307 // "aaa bbb, ccc,ddd. eee fff. ggg!"
2308 // ^ ^ ^ ^ ^__ ^ ^
2309
2310 // List of hardcoded separators: .,;!?'"
2311
2312 // Skip extra blanks after a line returns (that includes not counting them in width computation)
2313 // e.g. "Hello world" --> "Hello" "World"
2314
2315 // Cut words that cannot possibly fit within one line.
2316 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
2317
2318 float line_width = 0.0f;
2319 float word_width = 0.0f;
2320 float blank_width = 0.0f;
2321 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
2322
2323 const char* word_end = text;
2324 const char* prev_word_end = NULL;
2325 bool inside_word = true;
2326
2327 const char* s = text;
2328 while (s < text_end)
2329 {
2330 unsigned int c = (unsigned int)*s;
2331 const char* next_s;
2332 if (c < 0x80)
2333 next_s = s + 1;
2334 else
2335 next_s = s + ImTextCharFromUtf8(&c, s, text_end);
2336 if (c == 0)
2337 break;
2338
2339 if (c < 32)
2340 {
2341 if (c == '\n')
2342 {
2343 line_width = word_width = blank_width = 0.0f;
2344 inside_word = true;
2345 s = next_s;
2346 continue;
2347 }
2348 if (c == '\r')
2349 {
2350 s = next_s;
2351 continue;
2352 }
2353 }
2354
2355 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX[(int)c] : FallbackAdvanceX);
2356 if (ImCharIsSpace(c))
2357 {
2358 if (inside_word)
2359 {
2360 line_width += blank_width;
2361 blank_width = 0.0f;
2362 word_end = s;
2363 }
2364 blank_width += char_width;
2365 inside_word = false;
2366 }
2367 else
2368 {
2369 word_width += char_width;
2370 if (inside_word)
2371 {
2372 word_end = next_s;
2373 }
2374 else
2375 {
2376 prev_word_end = word_end;
2377 line_width += word_width + blank_width;
2378 word_width = blank_width = 0.0f;
2379 }
2380
2381 // Allow wrapping after punctuation.
2382 inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"');
2383 }
2384
2385 // We ignore blank width at the end of the line (they can be skipped)
2386 if (line_width + word_width >= wrap_width)
2387 {
2388 // Words that cannot possibly fit within an entire line will be cut anywhere.
2389 if (word_width < wrap_width)
2390 s = prev_word_end ? prev_word_end : word_end;
2391 break;
2392 }
2393
2394 s = next_s;
2395 }
2396
2397 return s;
2398 }
2399
CalcTextSizeA(float size,float max_width,float wrap_width,const char * text_begin,const char * text_end,const char ** remaining) const2400 ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
2401 {
2402 if (!text_end)
2403 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
2404
2405 const float line_height = size;
2406 const float scale = size / FontSize;
2407
2408 ImVec2 text_size = ImVec2(0,0);
2409 float line_width = 0.0f;
2410
2411 const bool word_wrap_enabled = (wrap_width > 0.0f);
2412 const char* word_wrap_eol = NULL;
2413
2414 const char* s = text_begin;
2415 while (s < text_end)
2416 {
2417 if (word_wrap_enabled)
2418 {
2419 // 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.
2420 if (!word_wrap_eol)
2421 {
2422 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
2423 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2424 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
2425 }
2426
2427 if (s >= word_wrap_eol)
2428 {
2429 if (text_size.x < line_width)
2430 text_size.x = line_width;
2431 text_size.y += line_height;
2432 line_width = 0.0f;
2433 word_wrap_eol = NULL;
2434
2435 // Wrapping skips upcoming blanks
2436 while (s < text_end)
2437 {
2438 const char c = *s;
2439 if (ImCharIsSpace((unsigned int)c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2440 }
2441 continue;
2442 }
2443 }
2444
2445 // Decode and advance source
2446 const char* prev_s = s;
2447 unsigned int c = (unsigned int)*s;
2448 if (c < 0x80)
2449 {
2450 s += 1;
2451 }
2452 else
2453 {
2454 s += ImTextCharFromUtf8(&c, s, text_end);
2455 if (c == 0) // Malformed UTF-8?
2456 break;
2457 }
2458
2459 if (c < 32)
2460 {
2461 if (c == '\n')
2462 {
2463 text_size.x = ImMax(text_size.x, line_width);
2464 text_size.y += line_height;
2465 line_width = 0.0f;
2466 continue;
2467 }
2468 if (c == '\r')
2469 continue;
2470 }
2471
2472 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX[(int)c] : FallbackAdvanceX) * scale;
2473 if (line_width + char_width >= max_width)
2474 {
2475 s = prev_s;
2476 break;
2477 }
2478
2479 line_width += char_width;
2480 }
2481
2482 if (text_size.x < line_width)
2483 text_size.x = line_width;
2484
2485 if (line_width > 0 || text_size.y == 0.0f)
2486 text_size.y += line_height;
2487
2488 if (remaining)
2489 *remaining = s;
2490
2491 return text_size;
2492 }
2493
RenderChar(ImDrawList * draw_list,float size,ImVec2 pos,ImU32 col,unsigned short c) const2494 void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, unsigned short c) const
2495 {
2496 if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.
2497 return;
2498 if (const ImFontGlyph* glyph = FindGlyph(c))
2499 {
2500 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
2501 pos.x = (float)(int)pos.x + DisplayOffset.x;
2502 pos.y = (float)(int)pos.y + DisplayOffset.y;
2503 draw_list->PrimReserve(6, 4);
2504 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);
2505 }
2506 }
2507
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) const2508 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
2509 {
2510 if (!text_end)
2511 text_end = text_begin + strlen(text_begin); // ImGui functions generally already provides a valid text_end, so this is merely to handle direct calls.
2512
2513 // Align to be pixel perfect
2514 pos.x = (float)(int)pos.x + DisplayOffset.x;
2515 pos.y = (float)(int)pos.y + DisplayOffset.y;
2516 float x = pos.x;
2517 float y = pos.y;
2518 if (y > clip_rect.w)
2519 return;
2520
2521 const float scale = size / FontSize;
2522 const float line_height = FontSize * scale;
2523 const bool word_wrap_enabled = (wrap_width > 0.0f);
2524 const char* word_wrap_eol = NULL;
2525
2526 // Skip non-visible lines
2527 const char* s = text_begin;
2528 if (!word_wrap_enabled && y + line_height < clip_rect.y)
2529 while (s < text_end && *s != '\n') // Fast-forward to next line
2530 s++;
2531
2532 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
2533 const int vtx_count_max = (int)(text_end - s) * 4;
2534 const int idx_count_max = (int)(text_end - s) * 6;
2535 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
2536 draw_list->PrimReserve(idx_count_max, vtx_count_max);
2537
2538 ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
2539 ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
2540 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx;
2541
2542 while (s < text_end)
2543 {
2544 if (word_wrap_enabled)
2545 {
2546 // 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.
2547 if (!word_wrap_eol)
2548 {
2549 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x));
2550 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
2551 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
2552 }
2553
2554 if (s >= word_wrap_eol)
2555 {
2556 x = pos.x;
2557 y += line_height;
2558 word_wrap_eol = NULL;
2559
2560 // Wrapping skips upcoming blanks
2561 while (s < text_end)
2562 {
2563 const char c = *s;
2564 if (ImCharIsSpace((unsigned int)c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
2565 }
2566 continue;
2567 }
2568 }
2569
2570 // Decode and advance source
2571 unsigned int c = (unsigned int)*s;
2572 if (c < 0x80)
2573 {
2574 s += 1;
2575 }
2576 else
2577 {
2578 s += ImTextCharFromUtf8(&c, s, text_end);
2579 if (c == 0) // Malformed UTF-8?
2580 break;
2581 }
2582
2583 if (c < 32)
2584 {
2585 if (c == '\n')
2586 {
2587 x = pos.x;
2588 y += line_height;
2589
2590 if (y > clip_rect.w)
2591 break;
2592 if (!word_wrap_enabled && y + line_height < clip_rect.y)
2593 while (s < text_end && *s != '\n') // Fast-forward to next line
2594 s++;
2595 continue;
2596 }
2597 if (c == '\r')
2598 continue;
2599 }
2600
2601 float char_width = 0.0f;
2602 if (const ImFontGlyph* glyph = FindGlyph((unsigned short)c))
2603 {
2604 char_width = glyph->AdvanceX * scale;
2605
2606 // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
2607 if (c != ' ' && c != '\t')
2608 {
2609 // 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
2610 float x1 = x + glyph->X0 * scale;
2611 float x2 = x + glyph->X1 * scale;
2612 float y1 = y + glyph->Y0 * scale;
2613 float y2 = y + glyph->Y1 * scale;
2614 if (x1 <= clip_rect.z && x2 >= clip_rect.x)
2615 {
2616 // Render a character
2617 float u1 = glyph->U0;
2618 float v1 = glyph->V0;
2619 float u2 = glyph->U1;
2620 float v2 = glyph->V1;
2621
2622 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
2623 if (cpu_fine_clip)
2624 {
2625 if (x1 < clip_rect.x)
2626 {
2627 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
2628 x1 = clip_rect.x;
2629 }
2630 if (y1 < clip_rect.y)
2631 {
2632 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
2633 y1 = clip_rect.y;
2634 }
2635 if (x2 > clip_rect.z)
2636 {
2637 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
2638 x2 = clip_rect.z;
2639 }
2640 if (y2 > clip_rect.w)
2641 {
2642 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
2643 y2 = clip_rect.w;
2644 }
2645 if (y1 >= y2)
2646 {
2647 x += char_width;
2648 continue;
2649 }
2650 }
2651
2652 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
2653 {
2654 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
2655 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
2656 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;
2657 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;
2658 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;
2659 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;
2660 vtx_write += 4;
2661 vtx_current_idx += 4;
2662 idx_write += 6;
2663 }
2664 }
2665 }
2666 }
2667
2668 x += char_width;
2669 }
2670
2671 // Give back unused vertices
2672 draw_list->VtxBuffer.resize((int)(vtx_write - draw_list->VtxBuffer.Data));
2673 draw_list->IdxBuffer.resize((int)(idx_write - draw_list->IdxBuffer.Data));
2674 draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
2675 draw_list->_VtxWritePtr = vtx_write;
2676 draw_list->_IdxWritePtr = idx_write;
2677 draw_list->_VtxCurrentIdx = (unsigned int)draw_list->VtxBuffer.Size;
2678 }
2679
2680 //-----------------------------------------------------------------------------
2681 // Internals Drawing Helpers
2682 //-----------------------------------------------------------------------------
2683
ImAcos01(float x)2684 static inline float ImAcos01(float x)
2685 {
2686 if (x <= 0.0f) return IM_PI * 0.5f;
2687 if (x >= 1.0f) return 0.0f;
2688 return acosf(x);
2689 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
2690 }
2691
2692 // 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)2693 void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
2694 {
2695 if (x_end_norm == x_start_norm)
2696 return;
2697 if (x_start_norm > x_end_norm)
2698 ImSwap(x_start_norm, x_end_norm);
2699
2700 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y);
2701 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y);
2702 if (rounding == 0.0f)
2703 {
2704 draw_list->AddRectFilled(p0, p1, col, 0.0f);
2705 return;
2706 }
2707
2708 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding);
2709 const float inv_rounding = 1.0f / rounding;
2710 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
2711 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
2712 const float x0 = ImMax(p0.x, rect.Min.x + rounding);
2713 if (arc0_b == arc0_e)
2714 {
2715 draw_list->PathLineTo(ImVec2(x0, p1.y));
2716 draw_list->PathLineTo(ImVec2(x0, p0.y));
2717 }
2718 else if (arc0_b == 0.0f && arc0_e == IM_PI*0.5f)
2719 {
2720 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
2721 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
2722 }
2723 else
2724 {
2725 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL
2726 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR
2727 }
2728 if (p1.x > rect.Min.x + rounding)
2729 {
2730 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding);
2731 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding);
2732 const float x1 = ImMin(p1.x, rect.Max.x - rounding);
2733 if (arc1_b == arc1_e)
2734 {
2735 draw_list->PathLineTo(ImVec2(x1, p0.y));
2736 draw_list->PathLineTo(ImVec2(x1, p1.y));
2737 }
2738 else if (arc1_b == 0.0f && arc1_e == IM_PI*0.5f)
2739 {
2740 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
2741 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR
2742 }
2743 else
2744 {
2745 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR
2746 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR
2747 }
2748 }
2749 draw_list->PathFillConvex(col);
2750 }
2751
2752 //-----------------------------------------------------------------------------
2753 // DEFAULT FONT DATA
2754 //-----------------------------------------------------------------------------
2755 // Compressed with stb_compress() then converted to a C array.
2756 // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
2757 // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
2758 //-----------------------------------------------------------------------------
2759
stb_decompress_length(const unsigned char * input)2760 static unsigned int stb_decompress_length(const unsigned char *input)
2761 {
2762 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
2763 }
2764
2765 static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
2766 static const unsigned char *stb__barrier_in_b;
2767 static unsigned char *stb__dout;
stb__match(const unsigned char * data,unsigned int length)2768 static void stb__match(const unsigned char *data, unsigned int length)
2769 {
2770 // INVERSE of memmove... write each byte before copying the next...
2771 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
2772 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
2773 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
2774 while (length--) *stb__dout++ = *data++;
2775 }
2776
stb__lit(const unsigned char * data,unsigned int length)2777 static void stb__lit(const unsigned char *data, unsigned int length)
2778 {
2779 IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
2780 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
2781 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
2782 memcpy(stb__dout, data, length);
2783 stb__dout += length;
2784 }
2785
2786 #define stb__in2(x) ((i[x] << 8) + i[(x)+1])
2787 #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
2788 #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
2789
stb_decompress_token(const unsigned char * i)2790 static const unsigned char *stb_decompress_token(const unsigned char *i)
2791 {
2792 if (*i >= 0x20) { // use fewer if's for cases that expand small
2793 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
2794 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
2795 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
2796 } else { // more ifs for cases that expand large, since overhead is amortized
2797 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
2798 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
2799 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
2800 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
2801 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
2802 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
2803 }
2804 return i;
2805 }
2806
stb_adler32(unsigned int adler32,unsigned char * buffer,unsigned int buflen)2807 static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
2808 {
2809 const unsigned long ADLER_MOD = 65521;
2810 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
2811 unsigned long blocklen, i;
2812
2813 blocklen = buflen % 5552;
2814 while (buflen) {
2815 for (i=0; i + 7 < blocklen; i += 8) {
2816 s1 += buffer[0], s2 += s1;
2817 s1 += buffer[1], s2 += s1;
2818 s1 += buffer[2], s2 += s1;
2819 s1 += buffer[3], s2 += s1;
2820 s1 += buffer[4], s2 += s1;
2821 s1 += buffer[5], s2 += s1;
2822 s1 += buffer[6], s2 += s1;
2823 s1 += buffer[7], s2 += s1;
2824
2825 buffer += 8;
2826 }
2827
2828 for (; i < blocklen; ++i)
2829 s1 += *buffer++, s2 += s1;
2830
2831 s1 %= ADLER_MOD, s2 %= ADLER_MOD;
2832 buflen -= blocklen;
2833 blocklen = 5552;
2834 }
2835 return (unsigned int)(s2 << 16) + (unsigned int)s1;
2836 }
2837
stb_decompress(unsigned char * output,const unsigned char * i,unsigned int)2838 static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
2839 {
2840 unsigned int olen;
2841 if (stb__in4(0) != 0x57bC0000) return 0;
2842 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
2843 olen = stb_decompress_length(i);
2844 stb__barrier_in_b = i;
2845 stb__barrier_out_e = output + olen;
2846 stb__barrier_out_b = output;
2847 i += 16;
2848
2849 stb__dout = output;
2850 for (;;) {
2851 const unsigned char *old_i = i;
2852 i = stb_decompress_token(i);
2853 if (i == old_i) {
2854 if (*i == 0x05 && i[1] == 0xfa) {
2855 IM_ASSERT(stb__dout == output + olen);
2856 if (stb__dout != output + olen) return 0;
2857 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
2858 return 0;
2859 return olen;
2860 } else {
2861 IM_ASSERT(0); /* NOTREACHED */
2862 return 0;
2863 }
2864 }
2865 IM_ASSERT(stb__dout <= output + olen);
2866 if (stb__dout > output + olen)
2867 return 0;
2868 }
2869 }
2870
2871 //-----------------------------------------------------------------------------
2872 // ProggyClean.ttf
2873 // Copyright (c) 2004, 2005 Tristan Grimmer
2874 // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
2875 // Download and more information at http://upperbounds.net
2876 //-----------------------------------------------------------------------------
2877 // File: 'ProggyClean.ttf' (41208 bytes)
2878 // Exported using binary_to_compressed_c.cpp
2879 //-----------------------------------------------------------------------------
2880 static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
2881 "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
2882 "2*>]b(MC;$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#"
2883 "`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"
2884 "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"
2885 "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"
2886 "*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)"
2887 "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"
2888 "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."
2889 "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"
2890 "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(,)"
2891 "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#"
2892 "'/###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"
2893 "_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"
2894 "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/"
2895 "/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"
2896 "%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&#"
2897 "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)("
2898 "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"
2899 "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"
2900 "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^-"
2901 "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-"
2902 "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"
2903 "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%"
2904 "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]"
2905 "%(?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"
2906 "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:"
2907 "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("
2908 "$/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<"
2909 "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'?"
2910 "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/;"
2911 ")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"
2912 "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("
2913 "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"
2914 "bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTGT5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
2915 "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<-"
2916 "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"
2917 "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"
2918 ".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@@"
2919 "$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
2920 "hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
2921 "@-W$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&#"
2922 "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#"
2923 "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"
2924 "d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoFDoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
2925 "6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
2926 "b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
2927 ":k$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+"
2928 "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*"
2929 "$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
2930 ":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
2931 "7aQC[K8d-(v6GI$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"
2932 "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"
2933 "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
2934 ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
2935 "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
2936 "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
2937 "^V'9;jY@;)br#q^YQpx:X#Te$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:"
2938 "+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%"
2939 "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
2940 "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
2941 "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
2942 "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
2943 "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
2944 "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
2945 "+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"
2946 "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"
2947 "?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"
2948 "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"
2949 ">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-$.QN'>"
2950 "[%$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"
2951 "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#"
2952 "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$"
2953 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
2954 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
2955 "1*c-(aY168o<`JsSbk-,1N;$>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"
2956 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
2957 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
2958 ";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&>"
2959 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
2960 "d<F&#*;G##.GY##2Sl##6`($#: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"
2961 "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$C#+E6C#"
2962 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
2963 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
2964 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
2965 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
2966 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
2967
GetDefaultCompressedFontDataTTFBase85()2968 static const char* GetDefaultCompressedFontDataTTFBase85()
2969 {
2970 return proggy_clean_ttf_compressed_data_base85;
2971 }
2972