imgui_draw.cpp 159 KB

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  1. // dear imgui, v1.67
  2. // (drawing and font code)
  3. /*
  4. Index of this file:
  5. // [SECTION] STB libraries implementation
  6. // [SECTION] Style functions
  7. // [SECTION] ImDrawList
  8. // [SECTION] ImDrawData
  9. // [SECTION] Helpers ShadeVertsXXX functions
  10. // [SECTION] ImFontConfig
  11. // [SECTION] ImFontAtlas
  12. // [SECTION] ImFontAtlas glyph ranges helpers
  13. // [SECTION] ImFontGlyphRangesBuilder
  14. // [SECTION] ImFont
  15. // [SECTION] Internal Render Helpers
  16. // [SECTION] Decompression code
  17. // [SECTION] Default font data (ProggyClean.ttf)
  18. */
  19. #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
  20. #define _CRT_SECURE_NO_WARNINGS
  21. #endif
  22. #include "imgui.h"
  23. #ifndef IMGUI_DEFINE_MATH_OPERATORS
  24. #define IMGUI_DEFINE_MATH_OPERATORS
  25. #endif
  26. #include "imgui_internal.h"
  27. #include <stdio.h> // vsnprintf, sscanf, printf
  28. #if !defined(alloca)
  29. #if defined(__GLIBC__) || defined(__sun) || defined(__CYGWIN__) || defined(__APPLE__)
  30. #include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here)
  31. #elif defined(_WIN32)
  32. #include <malloc.h> // alloca
  33. #if !defined(alloca)
  34. #define alloca _alloca // for clang with MS Codegen
  35. #endif
  36. #else
  37. #include <stdlib.h> // alloca
  38. #endif
  39. #endif
  40. // Visual Studio warnings
  41. #ifdef _MSC_VER
  42. #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
  43. #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
  44. #endif
  45. // Clang/GCC warnings with -Weverything
  46. #ifdef __clang__
  47. #pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
  48. #pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
  49. #pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference it.
  50. #pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
  51. #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0
  52. #if __has_warning("-Wcomma")
  53. #pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
  54. #endif
  55. #if __has_warning("-Wreserved-id-macro")
  56. #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
  57. #endif
  58. #if __has_warning("-Wdouble-promotion")
  59. #pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double.
  60. #endif
  61. #elif defined(__GNUC__)
  62. #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
  63. #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
  64. #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
  65. #if __GNUC__ >= 8
  66. #pragma GCC diagnostic ignored "-Wclass-memaccess" // warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
  67. #endif
  68. #endif
  69. //-------------------------------------------------------------------------
  70. // [SECTION] STB libraries implementation
  71. //-------------------------------------------------------------------------
  72. // Compile time options:
  73. //#define IMGUI_STB_NAMESPACE ImGuiStb
  74. //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
  75. //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
  76. //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
  77. //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
  78. #ifdef IMGUI_STB_NAMESPACE
  79. namespace IMGUI_STB_NAMESPACE
  80. {
  81. #endif
  82. #ifdef _MSC_VER
  83. #pragma warning (push)
  84. #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration
  85. #endif
  86. #ifdef __clang__
  87. #pragma clang diagnostic push
  88. #pragma clang diagnostic ignored "-Wunused-function"
  89. #pragma clang diagnostic ignored "-Wmissing-prototypes"
  90. #pragma clang diagnostic ignored "-Wimplicit-fallthrough"
  91. #pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier //
  92. #endif
  93. #ifdef __GNUC__
  94. #pragma GCC diagnostic push
  95. #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits]
  96. #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
  97. #endif
  98. #ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
  99. #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
  100. #define STBRP_STATIC
  101. #define STBRP_ASSERT(x) IM_ASSERT(x)
  102. #define STBRP_SORT ImQsort
  103. #define STB_RECT_PACK_IMPLEMENTATION
  104. #endif
  105. #ifdef IMGUI_STB_RECT_PACK_FILENAME
  106. #include IMGUI_STB_RECT_PACK_FILENAME
  107. #else
  108. #include "imstb_rectpack.h"
  109. #endif
  110. #endif
  111. #ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
  112. #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
  113. #define STBTT_malloc(x,u) ((void)(u), ImGui::MemAlloc(x))
  114. #define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
  115. #define STBTT_assert(x) IM_ASSERT(x)
  116. #define STBTT_fmod(x,y) ImFmod(x,y)
  117. #define STBTT_sqrt(x) ImSqrt(x)
  118. #define STBTT_pow(x,y) ImPow(x,y)
  119. #define STBTT_fabs(x) ImFabs(x)
  120. #define STBTT_ifloor(x) ((int)ImFloorStd(x))
  121. #define STBTT_iceil(x) ((int)ImCeil(x))
  122. #define STBTT_STATIC
  123. #define STB_TRUETYPE_IMPLEMENTATION
  124. #else
  125. #define STBTT_DEF extern
  126. #endif
  127. #ifdef IMGUI_STB_TRUETYPE_FILENAME
  128. #include IMGUI_STB_TRUETYPE_FILENAME
  129. #else
  130. #include "imstb_truetype.h"
  131. #endif
  132. #endif
  133. #ifdef __GNUC__
  134. #pragma GCC diagnostic pop
  135. #endif
  136. #ifdef __clang__
  137. #pragma clang diagnostic pop
  138. #endif
  139. #ifdef _MSC_VER
  140. #pragma warning (pop)
  141. #endif
  142. #ifdef IMGUI_STB_NAMESPACE
  143. } // namespace ImGuiStb
  144. using namespace IMGUI_STB_NAMESPACE;
  145. #endif
  146. //-----------------------------------------------------------------------------
  147. // [SECTION] Style functions
  148. //-----------------------------------------------------------------------------
  149. void ImGui::StyleColorsDark(ImGuiStyle* dst)
  150. {
  151. ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
  152. ImVec4* colors = style->Colors;
  153. colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
  154. colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
  155. colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f);
  156. colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
  157. colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f);
  158. colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f);
  159. colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
  160. colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f);
  161. colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
  162. colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
  163. colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f);
  164. colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f);
  165. colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f);
  166. colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f);
  167. colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f);
  168. colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f);
  169. colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f);
  170. colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f);
  171. colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  172. colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f);
  173. colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  174. colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
  175. colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  176. colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
  177. colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
  178. colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
  179. colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  180. colors[ImGuiCol_Separator] = colors[ImGuiCol_Border];
  181. colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f);
  182. colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f);
  183. colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f);
  184. colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
  185. colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
  186. colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
  187. colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
  188. colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
  189. colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
  190. colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
  191. colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f);
  192. colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
  193. colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
  194. colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
  195. colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
  196. colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
  197. colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  198. colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
  199. colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
  200. colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f);
  201. }
  202. void ImGui::StyleColorsClassic(ImGuiStyle* dst)
  203. {
  204. ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
  205. ImVec4* colors = style->Colors;
  206. colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
  207. colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
  208. colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f);
  209. colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
  210. colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f);
  211. colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f);
  212. colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
  213. colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f);
  214. colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f);
  215. colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f);
  216. colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f);
  217. colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f);
  218. colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f);
  219. colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f);
  220. colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f);
  221. colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f);
  222. colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f);
  223. colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
  224. colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
  225. colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
  226. colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f);
  227. colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f);
  228. colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f);
  229. colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f);
  230. colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f);
  231. colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f);
  232. colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f);
  233. colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f);
  234. colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f);
  235. colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f);
  236. colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f);
  237. colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f);
  238. colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f);
  239. colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f);
  240. colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
  241. colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
  242. colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
  243. colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
  244. colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
  245. colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
  246. colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
  247. colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
  248. colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
  249. colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f);
  250. colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
  251. colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f);
  252. colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f);
  253. colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
  254. }
  255. // Those light colors are better suited with a thicker font than the default one + FrameBorder
  256. void ImGui::StyleColorsLight(ImGuiStyle* dst)
  257. {
  258. ImGuiStyle* style = dst ? dst : &ImGui::GetStyle();
  259. ImVec4* colors = style->Colors;
  260. colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
  261. colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f);
  262. colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f);
  263. colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
  264. colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f);
  265. colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f);
  266. colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f);
  267. colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
  268. colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
  269. colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
  270. colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f);
  271. colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f);
  272. colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f);
  273. colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f);
  274. colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f);
  275. colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f);
  276. colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f);
  277. colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f);
  278. colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  279. colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f);
  280. colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f);
  281. colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f);
  282. colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  283. colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f);
  284. colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f);
  285. colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f);
  286. colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f);
  287. colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
  288. colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f);
  289. colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f);
  290. colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f);
  291. colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f);
  292. colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
  293. colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f);
  294. colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered];
  295. colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f);
  296. colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f);
  297. colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f);
  298. colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f);
  299. colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f);
  300. colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
  301. colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
  302. colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
  303. colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
  304. colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
  305. colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
  306. colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
  307. colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
  308. }
  309. //-----------------------------------------------------------------------------
  310. // ImDrawList
  311. //-----------------------------------------------------------------------------
  312. ImDrawListSharedData::ImDrawListSharedData()
  313. {
  314. Font = NULL;
  315. FontSize = 0.0f;
  316. CurveTessellationTol = 0.0f;
  317. ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f);
  318. // Const data
  319. for (int i = 0; i < IM_ARRAYSIZE(CircleVtx12); i++)
  320. {
  321. const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(CircleVtx12);
  322. CircleVtx12[i] = ImVec2(ImCos(a), ImSin(a));
  323. }
  324. }
  325. void ImDrawList::Clear()
  326. {
  327. CmdBuffer.resize(0);
  328. IdxBuffer.resize(0);
  329. VtxBuffer.resize(0);
  330. Flags = ImDrawListFlags_AntiAliasedLines | ImDrawListFlags_AntiAliasedFill;
  331. _VtxCurrentIdx = 0;
  332. _VtxWritePtr = NULL;
  333. _IdxWritePtr = NULL;
  334. _ClipRectStack.resize(0);
  335. _TextureIdStack.resize(0);
  336. _Path.resize(0);
  337. _ChannelsCurrent = 0;
  338. _ChannelsCount = 1;
  339. // NB: Do not clear channels so our allocations are re-used after the first frame.
  340. }
  341. void ImDrawList::ClearFreeMemory()
  342. {
  343. CmdBuffer.clear();
  344. IdxBuffer.clear();
  345. VtxBuffer.clear();
  346. _VtxCurrentIdx = 0;
  347. _VtxWritePtr = NULL;
  348. _IdxWritePtr = NULL;
  349. _ClipRectStack.clear();
  350. _TextureIdStack.clear();
  351. _Path.clear();
  352. _ChannelsCurrent = 0;
  353. _ChannelsCount = 1;
  354. for (int i = 0; i < _Channels.Size; i++)
  355. {
  356. if (i == 0) memset(&_Channels[0], 0, sizeof(_Channels[0])); // channel 0 is a copy of CmdBuffer/IdxBuffer, don't destruct again
  357. _Channels[i].CmdBuffer.clear();
  358. _Channels[i].IdxBuffer.clear();
  359. }
  360. _Channels.clear();
  361. }
  362. ImDrawList* ImDrawList::CloneOutput() const
  363. {
  364. ImDrawList* dst = IM_NEW(ImDrawList(NULL));
  365. dst->CmdBuffer = CmdBuffer;
  366. dst->IdxBuffer = IdxBuffer;
  367. dst->VtxBuffer = VtxBuffer;
  368. dst->Flags = Flags;
  369. return dst;
  370. }
  371. // Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds
  372. #define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
  373. #define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : NULL)
  374. void ImDrawList::AddDrawCmd()
  375. {
  376. ImDrawCmd draw_cmd;
  377. draw_cmd.ClipRect = GetCurrentClipRect();
  378. draw_cmd.TextureId = GetCurrentTextureId();
  379. IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
  380. CmdBuffer.push_back(draw_cmd);
  381. }
  382. void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
  383. {
  384. ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
  385. if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
  386. {
  387. AddDrawCmd();
  388. current_cmd = &CmdBuffer.back();
  389. }
  390. current_cmd->UserCallback = callback;
  391. current_cmd->UserCallbackData = callback_data;
  392. AddDrawCmd(); // Force a new command after us (see comment below)
  393. }
  394. // 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.
  395. // 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.
  396. void ImDrawList::UpdateClipRect()
  397. {
  398. // If current command is used with different settings we need to add a new command
  399. const ImVec4 curr_clip_rect = GetCurrentClipRect();
  400. ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
  401. if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
  402. {
  403. AddDrawCmd();
  404. return;
  405. }
  406. // Try to merge with previous command if it matches, else use current command
  407. ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
  408. 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)
  409. CmdBuffer.pop_back();
  410. else
  411. curr_cmd->ClipRect = curr_clip_rect;
  412. }
  413. void ImDrawList::UpdateTextureID()
  414. {
  415. // If current command is used with different settings we need to add a new command
  416. const ImTextureID curr_texture_id = GetCurrentTextureId();
  417. ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
  418. if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
  419. {
  420. AddDrawCmd();
  421. return;
  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. #undef GetCurrentClipRect
  431. #undef GetCurrentTextureId
  432. // 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)
  433. void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect)
  434. {
  435. ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y);
  436. if (intersect_with_current_clip_rect && _ClipRectStack.Size)
  437. {
  438. ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1];
  439. if (cr.x < current.x) cr.x = current.x;
  440. if (cr.y < current.y) cr.y = current.y;
  441. if (cr.z > current.z) cr.z = current.z;
  442. if (cr.w > current.w) cr.w = current.w;
  443. }
  444. cr.z = ImMax(cr.x, cr.z);
  445. cr.w = ImMax(cr.y, cr.w);
  446. _ClipRectStack.push_back(cr);
  447. UpdateClipRect();
  448. }
  449. void ImDrawList::PushClipRectFullScreen()
  450. {
  451. PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
  452. }
  453. void ImDrawList::PopClipRect()
  454. {
  455. IM_ASSERT(_ClipRectStack.Size > 0);
  456. _ClipRectStack.pop_back();
  457. UpdateClipRect();
  458. }
  459. void ImDrawList::PushTextureID(ImTextureID texture_id)
  460. {
  461. _TextureIdStack.push_back(texture_id);
  462. UpdateTextureID();
  463. }
  464. void ImDrawList::PopTextureID()
  465. {
  466. IM_ASSERT(_TextureIdStack.Size > 0);
  467. _TextureIdStack.pop_back();
  468. UpdateTextureID();
  469. }
  470. void ImDrawList::ChannelsSplit(int channels_count)
  471. {
  472. IM_ASSERT(_ChannelsCurrent == 0 && _ChannelsCount == 1);
  473. int old_channels_count = _Channels.Size;
  474. if (old_channels_count < channels_count)
  475. _Channels.resize(channels_count);
  476. _ChannelsCount = channels_count;
  477. // _Channels[] (24/32 bytes each) hold storage that we'll swap with this->_CmdBuffer/_IdxBuffer
  478. // 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.
  479. // When we switch to the next channel, we'll copy _CmdBuffer/_IdxBuffer into _Channels[0] and then _Channels[1] into _CmdBuffer/_IdxBuffer
  480. memset(&_Channels[0], 0, sizeof(ImDrawChannel));
  481. for (int i = 1; i < channels_count; i++)
  482. {
  483. if (i >= old_channels_count)
  484. {
  485. IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel();
  486. }
  487. else
  488. {
  489. _Channels[i].CmdBuffer.resize(0);
  490. _Channels[i].IdxBuffer.resize(0);
  491. }
  492. if (_Channels[i].CmdBuffer.Size == 0)
  493. {
  494. ImDrawCmd draw_cmd;
  495. draw_cmd.ClipRect = _ClipRectStack.back();
  496. draw_cmd.TextureId = _TextureIdStack.back();
  497. _Channels[i].CmdBuffer.push_back(draw_cmd);
  498. }
  499. }
  500. }
  501. void ImDrawList::ChannelsMerge()
  502. {
  503. // 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.
  504. if (_ChannelsCount <= 1)
  505. return;
  506. ChannelsSetCurrent(0);
  507. if (CmdBuffer.Size && CmdBuffer.back().ElemCount == 0)
  508. CmdBuffer.pop_back();
  509. int new_cmd_buffer_count = 0, new_idx_buffer_count = 0;
  510. for (int i = 1; i < _ChannelsCount; i++)
  511. {
  512. ImDrawChannel& ch = _Channels[i];
  513. if (ch.CmdBuffer.Size && ch.CmdBuffer.back().ElemCount == 0)
  514. ch.CmdBuffer.pop_back();
  515. new_cmd_buffer_count += ch.CmdBuffer.Size;
  516. new_idx_buffer_count += ch.IdxBuffer.Size;
  517. }
  518. CmdBuffer.resize(CmdBuffer.Size + new_cmd_buffer_count);
  519. IdxBuffer.resize(IdxBuffer.Size + new_idx_buffer_count);
  520. ImDrawCmd* cmd_write = CmdBuffer.Data + CmdBuffer.Size - new_cmd_buffer_count;
  521. _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size - new_idx_buffer_count;
  522. for (int i = 1; i < _ChannelsCount; i++)
  523. {
  524. ImDrawChannel& ch = _Channels[i];
  525. if (int sz = ch.CmdBuffer.Size) { memcpy(cmd_write, ch.CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; }
  526. if (int sz = ch.IdxBuffer.Size) { memcpy(_IdxWritePtr, ch.IdxBuffer.Data, sz * sizeof(ImDrawIdx)); _IdxWritePtr += sz; }
  527. }
  528. UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
  529. _ChannelsCount = 1;
  530. }
  531. void ImDrawList::ChannelsSetCurrent(int idx)
  532. {
  533. IM_ASSERT(idx < _ChannelsCount);
  534. if (_ChannelsCurrent == idx) return;
  535. memcpy(&_Channels.Data[_ChannelsCurrent].CmdBuffer, &CmdBuffer, sizeof(CmdBuffer)); // copy 12 bytes, four times
  536. memcpy(&_Channels.Data[_ChannelsCurrent].IdxBuffer, &IdxBuffer, sizeof(IdxBuffer));
  537. _ChannelsCurrent = idx;
  538. memcpy(&CmdBuffer, &_Channels.Data[_ChannelsCurrent].CmdBuffer, sizeof(CmdBuffer));
  539. memcpy(&IdxBuffer, &_Channels.Data[_ChannelsCurrent].IdxBuffer, sizeof(IdxBuffer));
  540. _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size;
  541. }
  542. // NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
  543. void ImDrawList::PrimReserve(int idx_count, int vtx_count)
  544. {
  545. ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size-1];
  546. draw_cmd.ElemCount += idx_count;
  547. int vtx_buffer_old_size = VtxBuffer.Size;
  548. VtxBuffer.resize(vtx_buffer_old_size + vtx_count);
  549. _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size;
  550. int idx_buffer_old_size = IdxBuffer.Size;
  551. IdxBuffer.resize(idx_buffer_old_size + idx_count);
  552. _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size;
  553. }
  554. // Fully unrolled with inline call to keep our debug builds decently fast.
  555. void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
  556. {
  557. ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel);
  558. ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
  559. _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
  560. _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
  561. _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
  562. _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
  563. _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
  564. _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
  565. _VtxWritePtr += 4;
  566. _VtxCurrentIdx += 4;
  567. _IdxWritePtr += 6;
  568. }
  569. void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
  570. {
  571. 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);
  572. ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
  573. _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
  574. _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
  575. _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
  576. _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
  577. _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
  578. _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
  579. _VtxWritePtr += 4;
  580. _VtxCurrentIdx += 4;
  581. _IdxWritePtr += 6;
  582. }
  583. 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)
  584. {
  585. ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx;
  586. _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2);
  587. _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3);
  588. _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col;
  589. _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col;
  590. _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col;
  591. _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col;
  592. _VtxWritePtr += 4;
  593. _VtxCurrentIdx += 4;
  594. _IdxWritePtr += 6;
  595. }
  596. // On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds.
  597. // Those macros expects l-values.
  598. #define IM_NORMALIZE2F_OVER_ZERO(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = 1.0f / ImSqrt(d2); VX *= inv_len; VY *= inv_len; } }
  599. #define IM_NORMALIZE2F_OVER_EPSILON_CLAMP(VX,VY,EPS,INVLENMAX) { float d2 = VX*VX + VY*VY; if (d2 > EPS) { float inv_len = 1.0f / ImSqrt(d2); if (inv_len > INVLENMAX) inv_len = INVLENMAX; VX *= inv_len; VY *= inv_len; } }
  600. // TODO: Thickness anti-aliased lines cap are missing their AA fringe.
  601. // We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds.
  602. void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
  603. {
  604. if (points_count < 2)
  605. return;
  606. const ImVec2 uv = _Data->TexUvWhitePixel;
  607. int count = points_count;
  608. if (!closed)
  609. count = points_count-1;
  610. const bool thick_line = thickness > 1.0f;
  611. if (Flags & ImDrawListFlags_AntiAliasedLines)
  612. {
  613. // Anti-aliased stroke
  614. const float AA_SIZE = 1.0f;
  615. const ImU32 col_trans = col & ~IM_COL32_A_MASK;
  616. const int idx_count = thick_line ? count*18 : count*12;
  617. const int vtx_count = thick_line ? points_count*4 : points_count*3;
  618. PrimReserve(idx_count, vtx_count);
  619. // Temporary buffer
  620. ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2));
  621. ImVec2* temp_points = temp_normals + points_count;
  622. for (int i1 = 0; i1 < count; i1++)
  623. {
  624. const int i2 = (i1+1) == points_count ? 0 : i1+1;
  625. float dx = points[i2].x - points[i1].x;
  626. float dy = points[i2].y - points[i1].y;
  627. IM_NORMALIZE2F_OVER_ZERO(dx, dy);
  628. temp_normals[i1].x = dy;
  629. temp_normals[i1].y = -dx;
  630. }
  631. if (!closed)
  632. temp_normals[points_count-1] = temp_normals[points_count-2];
  633. if (!thick_line)
  634. {
  635. if (!closed)
  636. {
  637. temp_points[0] = points[0] + temp_normals[0] * AA_SIZE;
  638. temp_points[1] = points[0] - temp_normals[0] * AA_SIZE;
  639. temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE;
  640. temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE;
  641. }
  642. // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
  643. unsigned int idx1 = _VtxCurrentIdx;
  644. for (int i1 = 0; i1 < count; i1++)
  645. {
  646. const int i2 = (i1+1) == points_count ? 0 : i1+1;
  647. unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3;
  648. // Average normals
  649. float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
  650. float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
  651. IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f)
  652. dm_x *= AA_SIZE;
  653. dm_y *= AA_SIZE;
  654. // Add temporary vertexes
  655. ImVec2* out_vtx = &temp_points[i2*2];
  656. out_vtx[0].x = points[i2].x + dm_x;
  657. out_vtx[0].y = points[i2].y + dm_y;
  658. out_vtx[1].x = points[i2].x - dm_x;
  659. out_vtx[1].y = points[i2].y - dm_y;
  660. // Add indexes
  661. _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
  662. _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0);
  663. _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
  664. _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1);
  665. _IdxWritePtr += 12;
  666. idx1 = idx2;
  667. }
  668. // Add vertexes
  669. for (int i = 0; i < points_count; i++)
  670. {
  671. _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
  672. _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
  673. _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
  674. _VtxWritePtr += 3;
  675. }
  676. }
  677. else
  678. {
  679. const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
  680. if (!closed)
  681. {
  682. temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE);
  683. temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness);
  684. temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness);
  685. temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE);
  686. temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
  687. temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
  688. temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
  689. temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
  690. }
  691. // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer.
  692. unsigned int idx1 = _VtxCurrentIdx;
  693. for (int i1 = 0; i1 < count; i1++)
  694. {
  695. const int i2 = (i1+1) == points_count ? 0 : i1+1;
  696. unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
  697. // Average normals
  698. float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f;
  699. float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f;
  700. IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
  701. float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE);
  702. float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE);
  703. float dm_in_x = dm_x * half_inner_thickness;
  704. float dm_in_y = dm_y * half_inner_thickness;
  705. // Add temporary vertexes
  706. ImVec2* out_vtx = &temp_points[i2*4];
  707. out_vtx[0].x = points[i2].x + dm_out_x;
  708. out_vtx[0].y = points[i2].y + dm_out_y;
  709. out_vtx[1].x = points[i2].x + dm_in_x;
  710. out_vtx[1].y = points[i2].y + dm_in_y;
  711. out_vtx[2].x = points[i2].x - dm_in_x;
  712. out_vtx[2].y = points[i2].y - dm_in_y;
  713. out_vtx[3].x = points[i2].x - dm_out_x;
  714. out_vtx[3].y = points[i2].y - dm_out_y;
  715. // Add indexes
  716. _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2);
  717. _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1);
  718. _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0);
  719. _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1);
  720. _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3);
  721. _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2);
  722. _IdxWritePtr += 18;
  723. idx1 = idx2;
  724. }
  725. // Add vertexes
  726. for (int i = 0; i < points_count; i++)
  727. {
  728. _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
  729. _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
  730. _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
  731. _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans;
  732. _VtxWritePtr += 4;
  733. }
  734. }
  735. _VtxCurrentIdx += (ImDrawIdx)vtx_count;
  736. }
  737. else
  738. {
  739. // Non Anti-aliased Stroke
  740. const int idx_count = count*6;
  741. const int vtx_count = count*4; // FIXME-OPT: Not sharing edges
  742. PrimReserve(idx_count, vtx_count);
  743. for (int i1 = 0; i1 < count; i1++)
  744. {
  745. const int i2 = (i1+1) == points_count ? 0 : i1+1;
  746. const ImVec2& p1 = points[i1];
  747. const ImVec2& p2 = points[i2];
  748. float dx = p2.x - p1.x;
  749. float dy = p2.y - p1.y;
  750. IM_NORMALIZE2F_OVER_ZERO(dx, dy);
  751. dx *= (thickness * 0.5f);
  752. dy *= (thickness * 0.5f);
  753. _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
  754. _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
  755. _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
  756. _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col;
  757. _VtxWritePtr += 4;
  758. _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2);
  759. _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3);
  760. _IdxWritePtr += 6;
  761. _VtxCurrentIdx += 4;
  762. }
  763. }
  764. }
  765. // We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds.
  766. void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
  767. {
  768. if (points_count < 3)
  769. return;
  770. const ImVec2 uv = _Data->TexUvWhitePixel;
  771. if (Flags & ImDrawListFlags_AntiAliasedFill)
  772. {
  773. // Anti-aliased Fill
  774. const float AA_SIZE = 1.0f;
  775. const ImU32 col_trans = col & ~IM_COL32_A_MASK;
  776. const int idx_count = (points_count-2)*3 + points_count*6;
  777. const int vtx_count = (points_count*2);
  778. PrimReserve(idx_count, vtx_count);
  779. // Add indexes for fill
  780. unsigned int vtx_inner_idx = _VtxCurrentIdx;
  781. unsigned int vtx_outer_idx = _VtxCurrentIdx+1;
  782. for (int i = 2; i < points_count; i++)
  783. {
  784. _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
  785. _IdxWritePtr += 3;
  786. }
  787. // Compute normals
  788. ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2));
  789. for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
  790. {
  791. const ImVec2& p0 = points[i0];
  792. const ImVec2& p1 = points[i1];
  793. float dx = p1.x - p0.x;
  794. float dy = p1.y - p0.y;
  795. IM_NORMALIZE2F_OVER_ZERO(dx, dy);
  796. temp_normals[i0].x = dy;
  797. temp_normals[i0].y = -dx;
  798. }
  799. for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
  800. {
  801. // Average normals
  802. const ImVec2& n0 = temp_normals[i0];
  803. const ImVec2& n1 = temp_normals[i1];
  804. float dm_x = (n0.x + n1.x) * 0.5f;
  805. float dm_y = (n0.y + n1.y) * 0.5f;
  806. IM_NORMALIZE2F_OVER_EPSILON_CLAMP(dm_x, dm_y, 0.000001f, 100.0f);
  807. dm_x *= AA_SIZE * 0.5f;
  808. dm_y *= AA_SIZE * 0.5f;
  809. // Add vertices
  810. _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
  811. _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer
  812. _VtxWritePtr += 2;
  813. // Add indexes for fringes
  814. _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1));
  815. _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1));
  816. _IdxWritePtr += 6;
  817. }
  818. _VtxCurrentIdx += (ImDrawIdx)vtx_count;
  819. }
  820. else
  821. {
  822. // Non Anti-aliased Fill
  823. const int idx_count = (points_count-2)*3;
  824. const int vtx_count = points_count;
  825. PrimReserve(idx_count, vtx_count);
  826. for (int i = 0; i < vtx_count; i++)
  827. {
  828. _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
  829. _VtxWritePtr++;
  830. }
  831. for (int i = 2; i < points_count; i++)
  832. {
  833. _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i);
  834. _IdxWritePtr += 3;
  835. }
  836. _VtxCurrentIdx += (ImDrawIdx)vtx_count;
  837. }
  838. }
  839. void ImDrawList::PathArcToFast(const ImVec2& centre, float radius, int a_min_of_12, int a_max_of_12)
  840. {
  841. if (radius == 0.0f || a_min_of_12 > a_max_of_12)
  842. {
  843. _Path.push_back(centre);
  844. return;
  845. }
  846. _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1));
  847. for (int a = a_min_of_12; a <= a_max_of_12; a++)
  848. {
  849. const ImVec2& c = _Data->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
  850. _Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius));
  851. }
  852. }
  853. void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments)
  854. {
  855. if (radius == 0.0f)
  856. {
  857. _Path.push_back(centre);
  858. return;
  859. }
  860. _Path.reserve(_Path.Size + (num_segments + 1));
  861. for (int i = 0; i <= num_segments; i++)
  862. {
  863. const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min);
  864. _Path.push_back(ImVec2(centre.x + ImCos(a) * radius, centre.y + ImSin(a) * radius));
  865. }
  866. }
  867. 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)
  868. {
  869. float dx = x4 - x1;
  870. float dy = y4 - y1;
  871. float d2 = ((x2 - x4) * dy - (y2 - y4) * dx);
  872. float d3 = ((x3 - x4) * dy - (y3 - y4) * dx);
  873. d2 = (d2 >= 0) ? d2 : -d2;
  874. d3 = (d3 >= 0) ? d3 : -d3;
  875. if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy))
  876. {
  877. path->push_back(ImVec2(x4, y4));
  878. }
  879. else if (level < 10)
  880. {
  881. float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f;
  882. float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f;
  883. float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f;
  884. float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f;
  885. float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f;
  886. float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f;
  887. PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1);
  888. PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1);
  889. }
  890. }
  891. void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments)
  892. {
  893. ImVec2 p1 = _Path.back();
  894. if (num_segments == 0)
  895. {
  896. // Auto-tessellated
  897. PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0);
  898. }
  899. else
  900. {
  901. float t_step = 1.0f / (float)num_segments;
  902. for (int i_step = 1; i_step <= num_segments; i_step++)
  903. {
  904. float t = t_step * i_step;
  905. float u = 1.0f - t;
  906. float w1 = u*u*u;
  907. float w2 = 3*u*u*t;
  908. float w3 = 3*u*t*t;
  909. float w4 = t*t*t;
  910. _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));
  911. }
  912. }
  913. }
  914. void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, int rounding_corners)
  915. {
  916. rounding = ImMin(rounding, ImFabs(b.x - a.x) * ( ((rounding_corners & ImDrawCornerFlags_Top) == ImDrawCornerFlags_Top) || ((rounding_corners & ImDrawCornerFlags_Bot) == ImDrawCornerFlags_Bot) ? 0.5f : 1.0f ) - 1.0f);
  917. rounding = ImMin(rounding, ImFabs(b.y - a.y) * ( ((rounding_corners & ImDrawCornerFlags_Left) == ImDrawCornerFlags_Left) || ((rounding_corners & ImDrawCornerFlags_Right) == ImDrawCornerFlags_Right) ? 0.5f : 1.0f ) - 1.0f);
  918. if (rounding <= 0.0f || rounding_corners == 0)
  919. {
  920. PathLineTo(a);
  921. PathLineTo(ImVec2(b.x, a.y));
  922. PathLineTo(b);
  923. PathLineTo(ImVec2(a.x, b.y));
  924. }
  925. else
  926. {
  927. const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f;
  928. const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f;
  929. const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f;
  930. const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f;
  931. PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9);
  932. PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12);
  933. PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3);
  934. PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6);
  935. }
  936. }
  937. void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thickness)
  938. {
  939. if ((col & IM_COL32_A_MASK) == 0)
  940. return;
  941. PathLineTo(a + ImVec2(0.5f,0.5f));
  942. PathLineTo(b + ImVec2(0.5f,0.5f));
  943. PathStroke(col, false, thickness);
  944. }
  945. // a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly.
  946. void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags, float thickness)
  947. {
  948. if ((col & IM_COL32_A_MASK) == 0)
  949. return;
  950. if (Flags & ImDrawListFlags_AntiAliasedLines)
  951. PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.50f,0.50f), rounding, rounding_corners_flags);
  952. else
  953. 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.
  954. PathStroke(col, true, thickness);
  955. }
  956. void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags)
  957. {
  958. if ((col & IM_COL32_A_MASK) == 0)
  959. return;
  960. if (rounding > 0.0f)
  961. {
  962. PathRect(a, b, rounding, rounding_corners_flags);
  963. PathFillConvex(col);
  964. }
  965. else
  966. {
  967. PrimReserve(6, 4);
  968. PrimRect(a, b, col);
  969. }
  970. }
  971. 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)
  972. {
  973. if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0)
  974. return;
  975. const ImVec2 uv = _Data->TexUvWhitePixel;
  976. PrimReserve(6, 4);
  977. PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2));
  978. PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3));
  979. PrimWriteVtx(a, uv, col_upr_left);
  980. PrimWriteVtx(ImVec2(c.x, a.y), uv, col_upr_right);
  981. PrimWriteVtx(c, uv, col_bot_right);
  982. PrimWriteVtx(ImVec2(a.x, c.y), uv, col_bot_left);
  983. }
  984. void ImDrawList::AddQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col, float thickness)
  985. {
  986. if ((col & IM_COL32_A_MASK) == 0)
  987. return;
  988. PathLineTo(a);
  989. PathLineTo(b);
  990. PathLineTo(c);
  991. PathLineTo(d);
  992. PathStroke(col, true, thickness);
  993. }
  994. void ImDrawList::AddQuadFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col)
  995. {
  996. if ((col & IM_COL32_A_MASK) == 0)
  997. return;
  998. PathLineTo(a);
  999. PathLineTo(b);
  1000. PathLineTo(c);
  1001. PathLineTo(d);
  1002. PathFillConvex(col);
  1003. }
  1004. void ImDrawList::AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness)
  1005. {
  1006. if ((col & IM_COL32_A_MASK) == 0)
  1007. return;
  1008. PathLineTo(a);
  1009. PathLineTo(b);
  1010. PathLineTo(c);
  1011. PathStroke(col, true, thickness);
  1012. }
  1013. void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
  1014. {
  1015. if ((col & IM_COL32_A_MASK) == 0)
  1016. return;
  1017. PathLineTo(a);
  1018. PathLineTo(b);
  1019. PathLineTo(c);
  1020. PathFillConvex(col);
  1021. }
  1022. void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments, float thickness)
  1023. {
  1024. if ((col & IM_COL32_A_MASK) == 0)
  1025. return;
  1026. const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
  1027. PathArcTo(centre, radius-0.5f, 0.0f, a_max, num_segments);
  1028. PathStroke(col, true, thickness);
  1029. }
  1030. void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments)
  1031. {
  1032. if ((col & IM_COL32_A_MASK) == 0)
  1033. return;
  1034. const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
  1035. PathArcTo(centre, radius, 0.0f, a_max, num_segments);
  1036. PathFillConvex(col);
  1037. }
  1038. void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
  1039. {
  1040. if ((col & IM_COL32_A_MASK) == 0)
  1041. return;
  1042. PathLineTo(pos0);
  1043. PathBezierCurveTo(cp0, cp1, pos1, num_segments);
  1044. PathStroke(col, false, thickness);
  1045. }
  1046. 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)
  1047. {
  1048. if ((col & IM_COL32_A_MASK) == 0)
  1049. return;
  1050. if (text_end == NULL)
  1051. text_end = text_begin + strlen(text_begin);
  1052. if (text_begin == text_end)
  1053. return;
  1054. // Pull default font/size from the shared ImDrawListSharedData instance
  1055. if (font == NULL)
  1056. font = _Data->Font;
  1057. if (font_size == 0.0f)
  1058. font_size = _Data->FontSize;
  1059. IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
  1060. ImVec4 clip_rect = _ClipRectStack.back();
  1061. if (cpu_fine_clip_rect)
  1062. {
  1063. clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x);
  1064. clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y);
  1065. clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z);
  1066. clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w);
  1067. }
  1068. font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL);
  1069. }
  1070. void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end)
  1071. {
  1072. AddText(NULL, 0.0f, pos, col, text_begin, text_end);
  1073. }
  1074. void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col)
  1075. {
  1076. if ((col & IM_COL32_A_MASK) == 0)
  1077. return;
  1078. const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
  1079. if (push_texture_id)
  1080. PushTextureID(user_texture_id);
  1081. PrimReserve(6, 4);
  1082. PrimRectUV(a, b, uv_a, uv_b, col);
  1083. if (push_texture_id)
  1084. PopTextureID();
  1085. }
  1086. 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)
  1087. {
  1088. if ((col & IM_COL32_A_MASK) == 0)
  1089. return;
  1090. const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
  1091. if (push_texture_id)
  1092. PushTextureID(user_texture_id);
  1093. PrimReserve(6, 4);
  1094. PrimQuadUV(a, b, c, d, uv_a, uv_b, uv_c, uv_d, col);
  1095. if (push_texture_id)
  1096. PopTextureID();
  1097. }
  1098. 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)
  1099. {
  1100. if ((col & IM_COL32_A_MASK) == 0)
  1101. return;
  1102. if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
  1103. {
  1104. AddImage(user_texture_id, a, b, uv_a, uv_b, col);
  1105. return;
  1106. }
  1107. const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
  1108. if (push_texture_id)
  1109. PushTextureID(user_texture_id);
  1110. int vert_start_idx = VtxBuffer.Size;
  1111. PathRect(a, b, rounding, rounding_corners);
  1112. PathFillConvex(col);
  1113. int vert_end_idx = VtxBuffer.Size;
  1114. ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, a, b, uv_a, uv_b, true);
  1115. if (push_texture_id)
  1116. PopTextureID();
  1117. }
  1118. //-----------------------------------------------------------------------------
  1119. // [SECTION] ImDrawData
  1120. //-----------------------------------------------------------------------------
  1121. // 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!
  1122. void ImDrawData::DeIndexAllBuffers()
  1123. {
  1124. ImVector<ImDrawVert> new_vtx_buffer;
  1125. TotalVtxCount = TotalIdxCount = 0;
  1126. for (int i = 0; i < CmdListsCount; i++)
  1127. {
  1128. ImDrawList* cmd_list = CmdLists[i];
  1129. if (cmd_list->IdxBuffer.empty())
  1130. continue;
  1131. new_vtx_buffer.resize(cmd_list->IdxBuffer.Size);
  1132. for (int j = 0; j < cmd_list->IdxBuffer.Size; j++)
  1133. new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]];
  1134. cmd_list->VtxBuffer.swap(new_vtx_buffer);
  1135. cmd_list->IdxBuffer.resize(0);
  1136. TotalVtxCount += cmd_list->VtxBuffer.Size;
  1137. }
  1138. }
  1139. // 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.
  1140. void ImDrawData::ScaleClipRects(const ImVec2& scale)
  1141. {
  1142. for (int i = 0; i < CmdListsCount; i++)
  1143. {
  1144. ImDrawList* cmd_list = CmdLists[i];
  1145. for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
  1146. {
  1147. ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i];
  1148. cmd->ClipRect = ImVec4(cmd->ClipRect.x * scale.x, cmd->ClipRect.y * scale.y, cmd->ClipRect.z * scale.x, cmd->ClipRect.w * scale.y);
  1149. }
  1150. }
  1151. }
  1152. //-----------------------------------------------------------------------------
  1153. // [SECTION] Helpers ShadeVertsXXX functions
  1154. //-----------------------------------------------------------------------------
  1155. // Generic linear color gradient, write to RGB fields, leave A untouched.
  1156. void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
  1157. {
  1158. ImVec2 gradient_extent = gradient_p1 - gradient_p0;
  1159. float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
  1160. ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
  1161. ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
  1162. for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
  1163. {
  1164. float d = ImDot(vert->pos - gradient_p0, gradient_extent);
  1165. float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
  1166. int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t);
  1167. int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t);
  1168. int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t);
  1169. vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK);
  1170. }
  1171. }
  1172. // Distribute UV over (a, b) rectangle
  1173. void ImGui::ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp)
  1174. {
  1175. const ImVec2 size = b - a;
  1176. const ImVec2 uv_size = uv_b - uv_a;
  1177. const ImVec2 scale = ImVec2(
  1178. size.x != 0.0f ? (uv_size.x / size.x) : 0.0f,
  1179. size.y != 0.0f ? (uv_size.y / size.y) : 0.0f);
  1180. ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
  1181. ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
  1182. if (clamp)
  1183. {
  1184. const ImVec2 min = ImMin(uv_a, uv_b);
  1185. const ImVec2 max = ImMax(uv_a, uv_b);
  1186. for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
  1187. vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max);
  1188. }
  1189. else
  1190. {
  1191. for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex)
  1192. vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale);
  1193. }
  1194. }
  1195. //-----------------------------------------------------------------------------
  1196. // [SECTION] ImFontConfig
  1197. //-----------------------------------------------------------------------------
  1198. ImFontConfig::ImFontConfig()
  1199. {
  1200. FontData = NULL;
  1201. FontDataSize = 0;
  1202. FontDataOwnedByAtlas = true;
  1203. FontNo = 0;
  1204. SizePixels = 0.0f;
  1205. OversampleH = 3;
  1206. OversampleV = 1;
  1207. PixelSnapH = false;
  1208. GlyphExtraSpacing = ImVec2(0.0f, 0.0f);
  1209. GlyphOffset = ImVec2(0.0f, 0.0f);
  1210. GlyphRanges = NULL;
  1211. GlyphMinAdvanceX = 0.0f;
  1212. GlyphMaxAdvanceX = FLT_MAX;
  1213. MergeMode = false;
  1214. RasterizerFlags = 0x00;
  1215. RasterizerMultiply = 1.0f;
  1216. memset(Name, 0, sizeof(Name));
  1217. DstFont = NULL;
  1218. }
  1219. //-----------------------------------------------------------------------------
  1220. // [SECTION] ImFontAtlas
  1221. //-----------------------------------------------------------------------------
  1222. // A work of art lies ahead! (. = white layer, X = black layer, others are blank)
  1223. // The white texels on the top left are the ones we'll use everywhere in ImGui to render filled shapes.
  1224. const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
  1225. const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
  1226. const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
  1227. static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
  1228. {
  1229. "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX "
  1230. "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X "
  1231. "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X "
  1232. "X - X.X - X.....X - X.....X -X...X - X...X- X..X "
  1233. "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X "
  1234. "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX "
  1235. "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX "
  1236. "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX "
  1237. "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X "
  1238. "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X"
  1239. "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X"
  1240. "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X"
  1241. "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X"
  1242. "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X"
  1243. "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X"
  1244. "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X"
  1245. "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X "
  1246. "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X "
  1247. "X.X X..X - -X.......X- X.......X - XX XX - - X..........X "
  1248. "XX X..X - - X.....X - X.....X - X.X X.X - - X........X "
  1249. " X..X - X...X - X...X - X..X X..X - - X........X "
  1250. " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX "
  1251. "------------ - X - X -X.....................X- ------------------"
  1252. " ----------------------------------- X...XXXXXXXXXXXXX...X - "
  1253. " - X..X X..X - "
  1254. " - X.X X.X - "
  1255. " - XX XX - "
  1256. };
  1257. static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
  1258. {
  1259. // Pos ........ Size ......... Offset ......
  1260. { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
  1261. { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput
  1262. { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll
  1263. { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
  1264. { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
  1265. { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
  1266. { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
  1267. { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
  1268. };
  1269. ImFontAtlas::ImFontAtlas()
  1270. {
  1271. Locked = false;
  1272. Flags = ImFontAtlasFlags_None;
  1273. TexID = (ImTextureID)NULL;
  1274. TexDesiredWidth = 0;
  1275. TexGlyphPadding = 1;
  1276. TexPixelsAlpha8 = NULL;
  1277. TexPixelsRGBA32 = NULL;
  1278. TexWidth = TexHeight = 0;
  1279. TexUvScale = ImVec2(0.0f, 0.0f);
  1280. TexUvWhitePixel = ImVec2(0.0f, 0.0f);
  1281. for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
  1282. CustomRectIds[n] = -1;
  1283. }
  1284. ImFontAtlas::~ImFontAtlas()
  1285. {
  1286. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1287. Clear();
  1288. }
  1289. void ImFontAtlas::ClearInputData()
  1290. {
  1291. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1292. for (int i = 0; i < ConfigData.Size; i++)
  1293. if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas)
  1294. {
  1295. ImGui::MemFree(ConfigData[i].FontData);
  1296. ConfigData[i].FontData = NULL;
  1297. }
  1298. // When clearing this we lose access to the font name and other information used to build the font.
  1299. for (int i = 0; i < Fonts.Size; i++)
  1300. if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size)
  1301. {
  1302. Fonts[i]->ConfigData = NULL;
  1303. Fonts[i]->ConfigDataCount = 0;
  1304. }
  1305. ConfigData.clear();
  1306. CustomRects.clear();
  1307. for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++)
  1308. CustomRectIds[n] = -1;
  1309. }
  1310. void ImFontAtlas::ClearTexData()
  1311. {
  1312. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1313. if (TexPixelsAlpha8)
  1314. ImGui::MemFree(TexPixelsAlpha8);
  1315. if (TexPixelsRGBA32)
  1316. ImGui::MemFree(TexPixelsRGBA32);
  1317. TexPixelsAlpha8 = NULL;
  1318. TexPixelsRGBA32 = NULL;
  1319. }
  1320. void ImFontAtlas::ClearFonts()
  1321. {
  1322. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1323. for (int i = 0; i < Fonts.Size; i++)
  1324. IM_DELETE(Fonts[i]);
  1325. Fonts.clear();
  1326. }
  1327. void ImFontAtlas::Clear()
  1328. {
  1329. ClearInputData();
  1330. ClearTexData();
  1331. ClearFonts();
  1332. }
  1333. void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
  1334. {
  1335. // Build atlas on demand
  1336. if (TexPixelsAlpha8 == NULL)
  1337. {
  1338. if (ConfigData.empty())
  1339. AddFontDefault();
  1340. Build();
  1341. }
  1342. *out_pixels = TexPixelsAlpha8;
  1343. if (out_width) *out_width = TexWidth;
  1344. if (out_height) *out_height = TexHeight;
  1345. if (out_bytes_per_pixel) *out_bytes_per_pixel = 1;
  1346. }
  1347. void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel)
  1348. {
  1349. // Convert to RGBA32 format on demand
  1350. // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp
  1351. if (!TexPixelsRGBA32)
  1352. {
  1353. unsigned char* pixels = NULL;
  1354. GetTexDataAsAlpha8(&pixels, NULL, NULL);
  1355. if (pixels)
  1356. {
  1357. TexPixelsRGBA32 = (unsigned int*)ImGui::MemAlloc((size_t)(TexWidth * TexHeight * 4));
  1358. const unsigned char* src = pixels;
  1359. unsigned int* dst = TexPixelsRGBA32;
  1360. for (int n = TexWidth * TexHeight; n > 0; n--)
  1361. *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++));
  1362. }
  1363. }
  1364. *out_pixels = (unsigned char*)TexPixelsRGBA32;
  1365. if (out_width) *out_width = TexWidth;
  1366. if (out_height) *out_height = TexHeight;
  1367. if (out_bytes_per_pixel) *out_bytes_per_pixel = 4;
  1368. }
  1369. ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
  1370. {
  1371. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1372. IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0);
  1373. IM_ASSERT(font_cfg->SizePixels > 0.0f);
  1374. // Create new font
  1375. if (!font_cfg->MergeMode)
  1376. Fonts.push_back(IM_NEW(ImFont));
  1377. else
  1378. IM_ASSERT(!Fonts.empty() && "Cannot use MergeMode for the first font"); // When using MergeMode make sure that a font has already been added before. You can use ImGui::GetIO().Fonts->AddFontDefault() to add the default imgui font.
  1379. ConfigData.push_back(*font_cfg);
  1380. ImFontConfig& new_font_cfg = ConfigData.back();
  1381. if (new_font_cfg.DstFont == NULL)
  1382. new_font_cfg.DstFont = Fonts.back();
  1383. if (!new_font_cfg.FontDataOwnedByAtlas)
  1384. {
  1385. new_font_cfg.FontData = ImGui::MemAlloc(new_font_cfg.FontDataSize);
  1386. new_font_cfg.FontDataOwnedByAtlas = true;
  1387. memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
  1388. }
  1389. // Invalidate texture
  1390. ClearTexData();
  1391. return new_font_cfg.DstFont;
  1392. }
  1393. // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
  1394. static unsigned int stb_decompress_length(const unsigned char *input);
  1395. static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length);
  1396. static const char* GetDefaultCompressedFontDataTTFBase85();
  1397. static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
  1398. static void Decode85(const unsigned char* src, unsigned char* dst)
  1399. {
  1400. while (*src)
  1401. {
  1402. unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4]))));
  1403. 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.
  1404. src += 5;
  1405. dst += 4;
  1406. }
  1407. }
  1408. // Load embedded ProggyClean.ttf at size 13, disable oversampling
  1409. ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
  1410. {
  1411. ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
  1412. if (!font_cfg_template)
  1413. {
  1414. font_cfg.OversampleH = font_cfg.OversampleV = 1;
  1415. font_cfg.PixelSnapH = true;
  1416. }
  1417. if (font_cfg.Name[0] == '\0') strcpy(font_cfg.Name, "ProggyClean.ttf, 13px");
  1418. if (font_cfg.SizePixels <= 0.0f) font_cfg.SizePixels = 13.0f;
  1419. const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
  1420. const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
  1421. ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
  1422. font->DisplayOffset.y = 1.0f;
  1423. return font;
  1424. }
  1425. ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
  1426. {
  1427. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1428. size_t data_size = 0;
  1429. void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
  1430. if (!data)
  1431. {
  1432. IM_ASSERT(0); // Could not load file.
  1433. return NULL;
  1434. }
  1435. ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
  1436. if (font_cfg.Name[0] == '\0')
  1437. {
  1438. // Store a short copy of filename into into the font name for convenience
  1439. const char* p;
  1440. for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {}
  1441. ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels);
  1442. }
  1443. return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges);
  1444. }
  1445. // NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build().
  1446. ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
  1447. {
  1448. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1449. ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
  1450. IM_ASSERT(font_cfg.FontData == NULL);
  1451. font_cfg.FontData = ttf_data;
  1452. font_cfg.FontDataSize = ttf_size;
  1453. font_cfg.SizePixels = size_pixels;
  1454. if (glyph_ranges)
  1455. font_cfg.GlyphRanges = glyph_ranges;
  1456. return AddFont(&font_cfg);
  1457. }
  1458. ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
  1459. {
  1460. const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data);
  1461. unsigned char* buf_decompressed_data = (unsigned char *)ImGui::MemAlloc(buf_decompressed_size);
  1462. stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size);
  1463. ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
  1464. IM_ASSERT(font_cfg.FontData == NULL);
  1465. font_cfg.FontDataOwnedByAtlas = true;
  1466. return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges);
  1467. }
  1468. ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges)
  1469. {
  1470. int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4;
  1471. void* compressed_ttf = ImGui::MemAlloc((size_t)compressed_ttf_size);
  1472. Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf);
  1473. ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges);
  1474. ImGui::MemFree(compressed_ttf);
  1475. return font;
  1476. }
  1477. int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
  1478. {
  1479. IM_ASSERT(id >= 0x10000);
  1480. IM_ASSERT(width > 0 && width <= 0xFFFF);
  1481. IM_ASSERT(height > 0 && height <= 0xFFFF);
  1482. CustomRect r;
  1483. r.ID = id;
  1484. r.Width = (unsigned short)width;
  1485. r.Height = (unsigned short)height;
  1486. CustomRects.push_back(r);
  1487. return CustomRects.Size - 1; // Return index
  1488. }
  1489. int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset)
  1490. {
  1491. IM_ASSERT(font != NULL);
  1492. IM_ASSERT(width > 0 && width <= 0xFFFF);
  1493. IM_ASSERT(height > 0 && height <= 0xFFFF);
  1494. CustomRect r;
  1495. r.ID = id;
  1496. r.Width = (unsigned short)width;
  1497. r.Height = (unsigned short)height;
  1498. r.GlyphAdvanceX = advance_x;
  1499. r.GlyphOffset = offset;
  1500. r.Font = font;
  1501. CustomRects.push_back(r);
  1502. return CustomRects.Size - 1; // Return index
  1503. }
  1504. void ImFontAtlas::CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max)
  1505. {
  1506. IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates
  1507. IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed
  1508. *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y);
  1509. *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y);
  1510. }
  1511. bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2])
  1512. {
  1513. if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT)
  1514. return false;
  1515. if (Flags & ImFontAtlasFlags_NoMouseCursors)
  1516. return false;
  1517. IM_ASSERT(CustomRectIds[0] != -1);
  1518. ImFontAtlas::CustomRect& r = CustomRects[CustomRectIds[0]];
  1519. IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
  1520. ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y);
  1521. ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1];
  1522. *out_size = size;
  1523. *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2];
  1524. out_uv_border[0] = (pos) * TexUvScale;
  1525. out_uv_border[1] = (pos + size) * TexUvScale;
  1526. pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
  1527. out_uv_fill[0] = (pos) * TexUvScale;
  1528. out_uv_fill[1] = (pos + size) * TexUvScale;
  1529. return true;
  1530. }
  1531. bool ImFontAtlas::Build()
  1532. {
  1533. IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
  1534. return ImFontAtlasBuildWithStbTruetype(this);
  1535. }
  1536. void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor)
  1537. {
  1538. for (unsigned int i = 0; i < 256; i++)
  1539. {
  1540. unsigned int value = (unsigned int)(i * in_brighten_factor);
  1541. out_table[i] = value > 255 ? 255 : (value & 0xFF);
  1542. }
  1543. }
  1544. void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride)
  1545. {
  1546. unsigned char* data = pixels + x + y * stride;
  1547. for (int j = h; j > 0; j--, data += stride)
  1548. for (int i = 0; i < w; i++)
  1549. data[i] = table[data[i]];
  1550. }
  1551. // Temporary data for one source font (multiple source fonts can be merged into one destination ImFont)
  1552. // (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.)
  1553. struct ImFontBuildSrcData
  1554. {
  1555. stbtt_fontinfo FontInfo;
  1556. stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data)
  1557. stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position.
  1558. stbtt_packedchar* PackedChars; // Output glyphs
  1559. const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF)
  1560. int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[]
  1561. int GlyphsHighest; // Highest requested codepoint
  1562. int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font)
  1563. ImBoolVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB)
  1564. ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap)
  1565. };
  1566. // Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont)
  1567. struct ImFontBuildDstData
  1568. {
  1569. int SrcCount; // Number of source fonts targeting this destination font.
  1570. int GlyphsHighest;
  1571. int GlyphsCount;
  1572. ImBoolVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font.
  1573. };
  1574. static void UnpackBoolVectorToFlatIndexList(const ImBoolVector* in, ImVector<int>* out)
  1575. {
  1576. IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int));
  1577. const int* it_begin = in->Storage.begin();
  1578. const int* it_end = in->Storage.end();
  1579. for (const int* it = it_begin; it < it_end; it++)
  1580. if (int entries_32 = *it)
  1581. for (int bit_n = 0; bit_n < 32; bit_n++)
  1582. if (entries_32 & (1 << bit_n))
  1583. out->push_back((int)((it - it_begin) << 5) + bit_n);
  1584. }
  1585. bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
  1586. {
  1587. IM_ASSERT(atlas->ConfigData.Size > 0);
  1588. ImFontAtlasBuildRegisterDefaultCustomRects(atlas);
  1589. // Clear atlas
  1590. atlas->TexID = (ImTextureID)NULL;
  1591. atlas->TexWidth = atlas->TexHeight = 0;
  1592. atlas->TexUvScale = ImVec2(0.0f, 0.0f);
  1593. atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
  1594. atlas->ClearTexData();
  1595. // Temporary storage for building
  1596. ImVector<ImFontBuildSrcData> src_tmp_array;
  1597. ImVector<ImFontBuildDstData> dst_tmp_array;
  1598. src_tmp_array.resize(atlas->ConfigData.Size);
  1599. dst_tmp_array.resize(atlas->Fonts.Size);
  1600. memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes());
  1601. memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes());
  1602. // 1. Initialize font loading structure, check font data validity
  1603. for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++)
  1604. {
  1605. ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
  1606. ImFontConfig& cfg = atlas->ConfigData[src_i];
  1607. IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
  1608. // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices)
  1609. src_tmp.DstIndex = -1;
  1610. for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++)
  1611. if (cfg.DstFont == atlas->Fonts[output_i])
  1612. src_tmp.DstIndex = output_i;
  1613. IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array?
  1614. if (src_tmp.DstIndex == -1)
  1615. return false;
  1616. // Initialize helper structure for font loading and verify that the TTF/OTF data is correct
  1617. const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo);
  1618. IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found.");
  1619. if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
  1620. return false;
  1621. // Measure highest codepoints
  1622. ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
  1623. src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault();
  1624. for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
  1625. src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]);
  1626. dst_tmp.SrcCount++;
  1627. dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest);
  1628. }
  1629. // 2. For every requested codepoint, check for their presence in the font data, and handle redundancy or overlaps between source fonts to avoid unused glyphs.
  1630. int total_glyphs_count = 0;
  1631. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
  1632. {
  1633. ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
  1634. ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex];
  1635. ImFontConfig& cfg = atlas->ConfigData[src_i];
  1636. src_tmp.GlyphsSet.Resize(src_tmp.GlyphsHighest + 1);
  1637. if (dst_tmp.SrcCount > 1 && dst_tmp.GlyphsSet.Storage.empty())
  1638. dst_tmp.GlyphsSet.Resize(dst_tmp.GlyphsHighest + 1);
  1639. for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2)
  1640. for (int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++)
  1641. {
  1642. if (cfg.MergeMode && dst_tmp.GlyphsSet.GetBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option (e.g. MergeOverwrite)
  1643. continue;
  1644. if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font?
  1645. continue;
  1646. // Add to avail set/counters
  1647. src_tmp.GlyphsCount++;
  1648. dst_tmp.GlyphsCount++;
  1649. src_tmp.GlyphsSet.SetBit(codepoint, true);
  1650. if (dst_tmp.SrcCount > 1)
  1651. dst_tmp.GlyphsSet.SetBit(codepoint, true);
  1652. total_glyphs_count++;
  1653. }
  1654. }
  1655. // 3. Unpack our bit map into a flat list (we now have all the Unicode points that we know are requested _and_ available _and_ not overlapping another)
  1656. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
  1657. {
  1658. ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
  1659. src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount);
  1660. UnpackBoolVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList);
  1661. src_tmp.GlyphsSet.Clear();
  1662. IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount);
  1663. }
  1664. for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++)
  1665. dst_tmp_array[dst_i].GlyphsSet.Clear();
  1666. dst_tmp_array.clear();
  1667. // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
  1668. // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity)
  1669. ImVector<stbrp_rect> buf_rects;
  1670. ImVector<stbtt_packedchar> buf_packedchars;
  1671. buf_rects.resize(total_glyphs_count);
  1672. buf_packedchars.resize(total_glyphs_count);
  1673. memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes());
  1674. memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes());
  1675. // 4. Gather glyphs sizes so we can pack them in our virtual canvas.
  1676. int total_surface = 0;
  1677. int buf_rects_out_n = 0;
  1678. int buf_packedchars_out_n = 0;
  1679. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
  1680. {
  1681. ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
  1682. if (src_tmp.GlyphsCount == 0)
  1683. continue;
  1684. src_tmp.Rects = &buf_rects[buf_rects_out_n];
  1685. src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n];
  1686. buf_rects_out_n += src_tmp.GlyphsCount;
  1687. buf_packedchars_out_n += src_tmp.GlyphsCount;
  1688. // Convert our ranges in the format stb_truetype wants
  1689. ImFontConfig& cfg = atlas->ConfigData[src_i];
  1690. src_tmp.PackRange.font_size = cfg.SizePixels;
  1691. src_tmp.PackRange.first_unicode_codepoint_in_range = 0;
  1692. src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data;
  1693. src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size;
  1694. src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars;
  1695. src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH;
  1696. src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV;
  1697. // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects)
  1698. const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels);
  1699. const int padding = atlas->TexGlyphPadding;
  1700. for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++)
  1701. {
  1702. int x0, y0, x1, y1;
  1703. const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]);
  1704. IM_ASSERT(glyph_index_in_font != 0);
  1705. stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1);
  1706. src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1);
  1707. src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1);
  1708. total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h;
  1709. }
  1710. }
  1711. // We need a width for the skyline algorithm, any width!
  1712. // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
  1713. // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface.
  1714. const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1;
  1715. atlas->TexHeight = 0;
  1716. if (atlas->TexDesiredWidth > 0)
  1717. atlas->TexWidth = atlas->TexDesiredWidth;
  1718. else
  1719. atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512;
  1720. // 5. Start packing
  1721. // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
  1722. const int TEX_HEIGHT_MAX = 1024 * 32;
  1723. stbtt_pack_context spc = {};
  1724. stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL);
  1725. ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
  1726. // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point.
  1727. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
  1728. {
  1729. ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
  1730. if (src_tmp.GlyphsCount == 0)
  1731. continue;
  1732. stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount);
  1733. // Extend texture height and mark missing glyphs as non-packed so we won't render them.
  1734. // FIXME: We are not handling packing failure here (would happen if we got off TEX_HEIGHT_MAX or if a single if larger than TexWidth?)
  1735. for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
  1736. if (src_tmp.Rects[glyph_i].was_packed)
  1737. atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h);
  1738. }
  1739. // 7. Allocate texture
  1740. atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight);
  1741. atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight);
  1742. atlas->TexPixelsAlpha8 = (unsigned char*)ImGui::MemAlloc(atlas->TexWidth * atlas->TexHeight);
  1743. memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
  1744. spc.pixels = atlas->TexPixelsAlpha8;
  1745. spc.height = atlas->TexHeight;
  1746. // 8. Render/rasterize font characters into the texture
  1747. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
  1748. {
  1749. ImFontConfig& cfg = atlas->ConfigData[src_i];
  1750. ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
  1751. if (src_tmp.GlyphsCount == 0)
  1752. continue;
  1753. stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects);
  1754. // Apply multiply operator
  1755. if (cfg.RasterizerMultiply != 1.0f)
  1756. {
  1757. unsigned char multiply_table[256];
  1758. ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
  1759. stbrp_rect* r = &src_tmp.Rects[0];
  1760. for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++)
  1761. if (r->was_packed)
  1762. ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1);
  1763. }
  1764. src_tmp.Rects = NULL;
  1765. }
  1766. // End packing
  1767. stbtt_PackEnd(&spc);
  1768. buf_rects.clear();
  1769. // 9. Setup ImFont and glyphs for runtime
  1770. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
  1771. {
  1772. ImFontBuildSrcData& src_tmp = src_tmp_array[src_i];
  1773. if (src_tmp.GlyphsCount == 0)
  1774. continue;
  1775. ImFontConfig& cfg = atlas->ConfigData[src_i];
  1776. ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
  1777. const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels);
  1778. int unscaled_ascent, unscaled_descent, unscaled_line_gap;
  1779. stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap);
  1780. const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1));
  1781. const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1));
  1782. ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent);
  1783. const float font_off_x = cfg.GlyphOffset.x;
  1784. const float font_off_y = cfg.GlyphOffset.y + (float)(int)(dst_font->Ascent + 0.5f);
  1785. for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++)
  1786. {
  1787. const int codepoint = src_tmp.GlyphsList[glyph_i];
  1788. const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i];
  1789. const float char_advance_x_org = pc.xadvance;
  1790. const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX);
  1791. float char_off_x = font_off_x;
  1792. if (char_advance_x_org != char_advance_x_mod)
  1793. char_off_x += cfg.PixelSnapH ? (float)(int)((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
  1794. // Register glyph
  1795. stbtt_aligned_quad q;
  1796. float dummy_x = 0.0f, dummy_y = 0.0f;
  1797. stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0);
  1798. dst_font->AddGlyph((ImWchar)codepoint, q.x0 + char_off_x, q.y0 + font_off_y, q.x1 + char_off_x, q.y1 + font_off_y, q.s0, q.t0, q.s1, q.t1, char_advance_x_mod);
  1799. }
  1800. }
  1801. // Cleanup temporary (ImVector doesn't honor destructor)
  1802. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++)
  1803. src_tmp_array[src_i].~ImFontBuildSrcData();
  1804. ImFontAtlasBuildFinish(atlas);
  1805. return true;
  1806. }
  1807. void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas)
  1808. {
  1809. if (atlas->CustomRectIds[0] >= 0)
  1810. return;
  1811. if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
  1812. 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);
  1813. else
  1814. atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2);
  1815. }
  1816. void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent)
  1817. {
  1818. if (!font_config->MergeMode)
  1819. {
  1820. font->ClearOutputData();
  1821. font->FontSize = font_config->SizePixels;
  1822. font->ConfigData = font_config;
  1823. font->ContainerAtlas = atlas;
  1824. font->Ascent = ascent;
  1825. font->Descent = descent;
  1826. }
  1827. font->ConfigDataCount++;
  1828. }
  1829. void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque)
  1830. {
  1831. stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque;
  1832. ImVector<ImFontAtlas::CustomRect>& user_rects = atlas->CustomRects;
  1833. IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong.
  1834. ImVector<stbrp_rect> pack_rects;
  1835. pack_rects.resize(user_rects.Size);
  1836. memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes());
  1837. for (int i = 0; i < user_rects.Size; i++)
  1838. {
  1839. pack_rects[i].w = user_rects[i].Width;
  1840. pack_rects[i].h = user_rects[i].Height;
  1841. }
  1842. stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size);
  1843. for (int i = 0; i < pack_rects.Size; i++)
  1844. if (pack_rects[i].was_packed)
  1845. {
  1846. user_rects[i].X = pack_rects[i].x;
  1847. user_rects[i].Y = pack_rects[i].y;
  1848. IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height);
  1849. atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h);
  1850. }
  1851. }
  1852. static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas)
  1853. {
  1854. IM_ASSERT(atlas->CustomRectIds[0] >= 0);
  1855. IM_ASSERT(atlas->TexPixelsAlpha8 != NULL);
  1856. ImFontAtlas::CustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]];
  1857. IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
  1858. IM_ASSERT(r.IsPacked());
  1859. const int w = atlas->TexWidth;
  1860. if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
  1861. {
  1862. // Render/copy pixels
  1863. IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H);
  1864. for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++)
  1865. for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++)
  1866. {
  1867. const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w;
  1868. const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1;
  1869. atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00;
  1870. atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00;
  1871. }
  1872. }
  1873. else
  1874. {
  1875. IM_ASSERT(r.Width == 2 && r.Height == 2);
  1876. const int offset = (int)(r.X) + (int)(r.Y) * w;
  1877. atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF;
  1878. }
  1879. atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y);
  1880. }
  1881. void ImFontAtlasBuildFinish(ImFontAtlas* atlas)
  1882. {
  1883. // Render into our custom data block
  1884. ImFontAtlasBuildRenderDefaultTexData(atlas);
  1885. // Register custom rectangle glyphs
  1886. for (int i = 0; i < atlas->CustomRects.Size; i++)
  1887. {
  1888. const ImFontAtlas::CustomRect& r = atlas->CustomRects[i];
  1889. if (r.Font == NULL || r.ID > 0x10000)
  1890. continue;
  1891. IM_ASSERT(r.Font->ContainerAtlas == atlas);
  1892. ImVec2 uv0, uv1;
  1893. atlas->CalcCustomRectUV(&r, &uv0, &uv1);
  1894. 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);
  1895. }
  1896. // Build all fonts lookup tables
  1897. for (int i = 0; i < atlas->Fonts.Size; i++)
  1898. if (atlas->Fonts[i]->DirtyLookupTables)
  1899. atlas->Fonts[i]->BuildLookupTable();
  1900. }
  1901. // Retrieve list of range (2 int per range, values are inclusive)
  1902. const ImWchar* ImFontAtlas::GetGlyphRangesDefault()
  1903. {
  1904. static const ImWchar ranges[] =
  1905. {
  1906. 0x0020, 0x00FF, // Basic Latin + Latin Supplement
  1907. 0,
  1908. };
  1909. return &ranges[0];
  1910. }
  1911. const ImWchar* ImFontAtlas::GetGlyphRangesKorean()
  1912. {
  1913. static const ImWchar ranges[] =
  1914. {
  1915. 0x0020, 0x00FF, // Basic Latin + Latin Supplement
  1916. 0x3131, 0x3163, // Korean alphabets
  1917. 0xAC00, 0xD79D, // Korean characters
  1918. 0,
  1919. };
  1920. return &ranges[0];
  1921. }
  1922. const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
  1923. {
  1924. static const ImWchar ranges[] =
  1925. {
  1926. 0x0020, 0x00FF, // Basic Latin + Latin Supplement
  1927. 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
  1928. 0x31F0, 0x31FF, // Katakana Phonetic Extensions
  1929. 0xFF00, 0xFFEF, // Half-width characters
  1930. 0x4e00, 0x9FAF, // CJK Ideograms
  1931. 0,
  1932. };
  1933. return &ranges[0];
  1934. }
  1935. static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges)
  1936. {
  1937. for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2)
  1938. {
  1939. out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]);
  1940. base_codepoint += accumulative_offsets[n];
  1941. }
  1942. out_ranges[0] = 0;
  1943. }
  1944. //-------------------------------------------------------------------------
  1945. // [SECTION] ImFontAtlas glyph ranges helpers
  1946. //-------------------------------------------------------------------------
  1947. const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
  1948. {
  1949. // Store 2500 regularly used characters for Simplified Chinese.
  1950. // Sourced from https://zh.wiktionary.org/wiki/%E9%99%84%E5%BD%95:%E7%8E%B0%E4%BB%A3%E6%B1%89%E8%AF%AD%E5%B8%B8%E7%94%A8%E5%AD%97%E8%A1%A8
  1951. // This table covers 97.97% of all characters used during the month in July, 1987.
  1952. // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
  1953. // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
  1954. static const short accumulative_offsets_from_0x4E00[] =
  1955. {
  1956. 0,1,2,4,1,1,1,1,2,1,3,2,1,2,2,1,1,1,1,1,5,2,1,2,3,3,3,2,2,4,1,1,1,2,1,5,2,3,1,2,1,2,1,1,2,1,1,2,2,1,4,1,1,1,1,5,10,1,2,19,2,1,2,1,2,1,2,1,2,
  1957. 1,5,1,6,3,2,1,2,2,1,1,1,4,8,5,1,1,4,1,1,3,1,2,1,5,1,2,1,1,1,10,1,1,5,2,4,6,1,4,2,2,2,12,2,1,1,6,1,1,1,4,1,1,4,6,5,1,4,2,2,4,10,7,1,1,4,2,4,
  1958. 2,1,4,3,6,10,12,5,7,2,14,2,9,1,1,6,7,10,4,7,13,1,5,4,8,4,1,1,2,28,5,6,1,1,5,2,5,20,2,2,9,8,11,2,9,17,1,8,6,8,27,4,6,9,20,11,27,6,68,2,2,1,1,
  1959. 1,2,1,2,2,7,6,11,3,3,1,1,3,1,2,1,1,1,1,1,3,1,1,8,3,4,1,5,7,2,1,4,4,8,4,2,1,2,1,1,4,5,6,3,6,2,12,3,1,3,9,2,4,3,4,1,5,3,3,1,3,7,1,5,1,1,1,1,2,
  1960. 3,4,5,2,3,2,6,1,1,2,1,7,1,7,3,4,5,15,2,2,1,5,3,22,19,2,1,1,1,1,2,5,1,1,1,6,1,1,12,8,2,9,18,22,4,1,1,5,1,16,1,2,7,10,15,1,1,6,2,4,1,2,4,1,6,
  1961. 1,1,3,2,4,1,6,4,5,1,2,1,1,2,1,10,3,1,3,2,1,9,3,2,5,7,2,19,4,3,6,1,1,1,1,1,4,3,2,1,1,1,2,5,3,1,1,1,2,2,1,1,2,1,1,2,1,3,1,1,1,3,7,1,4,1,1,2,1,
  1962. 1,2,1,2,4,4,3,8,1,1,1,2,1,3,5,1,3,1,3,4,6,2,2,14,4,6,6,11,9,1,15,3,1,28,5,2,5,5,3,1,3,4,5,4,6,14,3,2,3,5,21,2,7,20,10,1,2,19,2,4,28,28,2,3,
  1963. 2,1,14,4,1,26,28,42,12,40,3,52,79,5,14,17,3,2,2,11,3,4,6,3,1,8,2,23,4,5,8,10,4,2,7,3,5,1,1,6,3,1,2,2,2,5,28,1,1,7,7,20,5,3,29,3,17,26,1,8,4,
  1964. 27,3,6,11,23,5,3,4,6,13,24,16,6,5,10,25,35,7,3,2,3,3,14,3,6,2,6,1,4,2,3,8,2,1,1,3,3,3,4,1,1,13,2,2,4,5,2,1,14,14,1,2,2,1,4,5,2,3,1,14,3,12,
  1965. 3,17,2,16,5,1,2,1,8,9,3,19,4,2,2,4,17,25,21,20,28,75,1,10,29,103,4,1,2,1,1,4,2,4,1,2,3,24,2,2,2,1,1,2,1,3,8,1,1,1,2,1,1,3,1,1,1,6,1,5,3,1,1,
  1966. 1,3,4,1,1,5,2,1,5,6,13,9,16,1,1,1,1,3,2,3,2,4,5,2,5,2,2,3,7,13,7,2,2,1,1,1,1,2,3,3,2,1,6,4,9,2,1,14,2,14,2,1,18,3,4,14,4,11,41,15,23,15,23,
  1967. 176,1,3,4,1,1,1,1,5,3,1,2,3,7,3,1,1,2,1,2,4,4,6,2,4,1,9,7,1,10,5,8,16,29,1,1,2,2,3,1,3,5,2,4,5,4,1,1,2,2,3,3,7,1,6,10,1,17,1,44,4,6,2,1,1,6,
  1968. 5,4,2,10,1,6,9,2,8,1,24,1,2,13,7,8,8,2,1,4,1,3,1,3,3,5,2,5,10,9,4,9,12,2,1,6,1,10,1,1,7,7,4,10,8,3,1,13,4,3,1,6,1,3,5,2,1,2,17,16,5,2,16,6,
  1969. 1,4,2,1,3,3,6,8,5,11,11,1,3,3,2,4,6,10,9,5,7,4,7,4,7,1,1,4,2,1,3,6,8,7,1,6,11,5,5,3,24,9,4,2,7,13,5,1,8,82,16,61,1,1,1,4,2,2,16,10,3,8,1,1,
  1970. 6,4,2,1,3,1,1,1,4,3,8,4,2,2,1,1,1,1,1,6,3,5,1,1,4,6,9,2,1,1,1,2,1,7,2,1,6,1,5,4,4,3,1,8,1,3,3,1,3,2,2,2,2,3,1,6,1,2,1,2,1,3,7,1,8,2,1,2,1,5,
  1971. 2,5,3,5,10,1,2,1,1,3,2,5,11,3,9,3,5,1,1,5,9,1,2,1,5,7,9,9,8,1,3,3,3,6,8,2,3,2,1,1,32,6,1,2,15,9,3,7,13,1,3,10,13,2,14,1,13,10,2,1,3,10,4,15,
  1972. 2,15,15,10,1,3,9,6,9,32,25,26,47,7,3,2,3,1,6,3,4,3,2,8,5,4,1,9,4,2,2,19,10,6,2,3,8,1,2,2,4,2,1,9,4,4,4,6,4,8,9,2,3,1,1,1,1,3,5,5,1,3,8,4,6,
  1973. 2,1,4,12,1,5,3,7,13,2,5,8,1,6,1,2,5,14,6,1,5,2,4,8,15,5,1,23,6,62,2,10,1,1,8,1,2,2,10,4,2,2,9,2,1,1,3,2,3,1,5,3,3,2,1,3,8,1,1,1,11,3,1,1,4,
  1974. 3,7,1,14,1,2,3,12,5,2,5,1,6,7,5,7,14,11,1,3,1,8,9,12,2,1,11,8,4,4,2,6,10,9,13,1,1,3,1,5,1,3,2,4,4,1,18,2,3,14,11,4,29,4,2,7,1,3,13,9,2,2,5,
  1975. 3,5,20,7,16,8,5,72,34,6,4,22,12,12,28,45,36,9,7,39,9,191,1,1,1,4,11,8,4,9,2,3,22,1,1,1,1,4,17,1,7,7,1,11,31,10,2,4,8,2,3,2,1,4,2,16,4,32,2,
  1976. 3,19,13,4,9,1,5,2,14,8,1,1,3,6,19,6,5,1,16,6,2,10,8,5,1,2,3,1,5,5,1,11,6,6,1,3,3,2,6,3,8,1,1,4,10,7,5,7,7,5,8,9,2,1,3,4,1,1,3,1,3,3,2,6,16,
  1977. 1,4,6,3,1,10,6,1,3,15,2,9,2,10,25,13,9,16,6,2,2,10,11,4,3,9,1,2,6,6,5,4,30,40,1,10,7,12,14,33,6,3,6,7,3,1,3,1,11,14,4,9,5,12,11,49,18,51,31,
  1978. 140,31,2,2,1,5,1,8,1,10,1,4,4,3,24,1,10,1,3,6,6,16,3,4,5,2,1,4,2,57,10,6,22,2,22,3,7,22,6,10,11,36,18,16,33,36,2,5,5,1,1,1,4,10,1,4,13,2,7,
  1979. 5,2,9,3,4,1,7,43,3,7,3,9,14,7,9,1,11,1,1,3,7,4,18,13,1,14,1,3,6,10,73,2,2,30,6,1,11,18,19,13,22,3,46,42,37,89,7,3,16,34,2,2,3,9,1,7,1,1,1,2,
  1980. 2,4,10,7,3,10,3,9,5,28,9,2,6,13,7,3,1,3,10,2,7,2,11,3,6,21,54,85,2,1,4,2,2,1,39,3,21,2,2,5,1,1,1,4,1,1,3,4,15,1,3,2,4,4,2,3,8,2,20,1,8,7,13,
  1981. 4,1,26,6,2,9,34,4,21,52,10,4,4,1,5,12,2,11,1,7,2,30,12,44,2,30,1,1,3,6,16,9,17,39,82,2,2,24,7,1,7,3,16,9,14,44,2,1,2,1,2,3,5,2,4,1,6,7,5,3,
  1982. 2,6,1,11,5,11,2,1,18,19,8,1,3,24,29,2,1,3,5,2,2,1,13,6,5,1,46,11,3,5,1,1,5,8,2,10,6,12,6,3,7,11,2,4,16,13,2,5,1,1,2,2,5,2,28,5,2,23,10,8,4,
  1983. 4,22,39,95,38,8,14,9,5,1,13,5,4,3,13,12,11,1,9,1,27,37,2,5,4,4,63,211,95,2,2,2,1,3,5,2,1,1,2,2,1,1,1,3,2,4,1,2,1,1,5,2,2,1,1,2,3,1,3,1,1,1,
  1984. 3,1,4,2,1,3,6,1,1,3,7,15,5,3,2,5,3,9,11,4,2,22,1,6,3,8,7,1,4,28,4,16,3,3,25,4,4,27,27,1,4,1,2,2,7,1,3,5,2,28,8,2,14,1,8,6,16,25,3,3,3,14,3,
  1985. 3,1,1,2,1,4,6,3,8,4,1,1,1,2,3,6,10,6,2,3,18,3,2,5,5,4,3,1,5,2,5,4,23,7,6,12,6,4,17,11,9,5,1,1,10,5,12,1,1,11,26,33,7,3,6,1,17,7,1,5,12,1,11,
  1986. 2,4,1,8,14,17,23,1,2,1,7,8,16,11,9,6,5,2,6,4,16,2,8,14,1,11,8,9,1,1,1,9,25,4,11,19,7,2,15,2,12,8,52,7,5,19,2,16,4,36,8,1,16,8,24,26,4,6,2,9,
  1987. 5,4,36,3,28,12,25,15,37,27,17,12,59,38,5,32,127,1,2,9,17,14,4,1,2,1,1,8,11,50,4,14,2,19,16,4,17,5,4,5,26,12,45,2,23,45,104,30,12,8,3,10,2,2,
  1988. 3,3,1,4,20,7,2,9,6,15,2,20,1,3,16,4,11,15,6,134,2,5,59,1,2,2,2,1,9,17,3,26,137,10,211,59,1,2,4,1,4,1,1,1,2,6,2,3,1,1,2,3,2,3,1,3,4,4,2,3,3,
  1989. 1,4,3,1,7,2,2,3,1,2,1,3,3,3,2,2,3,2,1,3,14,6,1,3,2,9,6,15,27,9,34,145,1,1,2,1,1,1,1,2,1,1,1,1,2,2,2,3,1,2,1,1,1,2,3,5,8,3,5,2,4,1,3,2,2,2,12,
  1990. 4,1,1,1,10,4,5,1,20,4,16,1,15,9,5,12,2,9,2,5,4,2,26,19,7,1,26,4,30,12,15,42,1,6,8,172,1,1,4,2,1,1,11,2,2,4,2,1,2,1,10,8,1,2,1,4,5,1,2,5,1,8,
  1991. 4,1,3,4,2,1,6,2,1,3,4,1,2,1,1,1,1,12,5,7,2,4,3,1,1,1,3,3,6,1,2,2,3,3,3,2,1,2,12,14,11,6,6,4,12,2,8,1,7,10,1,35,7,4,13,15,4,3,23,21,28,52,5,
  1992. 26,5,6,1,7,10,2,7,53,3,2,1,1,1,2,163,532,1,10,11,1,3,3,4,8,2,8,6,2,2,23,22,4,2,2,4,2,1,3,1,3,3,5,9,8,2,1,2,8,1,10,2,12,21,20,15,105,2,3,1,1,
  1993. 3,2,3,1,1,2,5,1,4,15,11,19,1,1,1,1,5,4,5,1,1,2,5,3,5,12,1,2,5,1,11,1,1,15,9,1,4,5,3,26,8,2,1,3,1,1,15,19,2,12,1,2,5,2,7,2,19,2,20,6,26,7,5,
  1994. 2,2,7,34,21,13,70,2,128,1,1,2,1,1,2,1,1,3,2,2,2,15,1,4,1,3,4,42,10,6,1,49,85,8,1,2,1,1,4,4,2,3,6,1,5,7,4,3,211,4,1,2,1,2,5,1,2,4,2,2,6,5,6,
  1995. 10,3,4,48,100,6,2,16,296,5,27,387,2,2,3,7,16,8,5,38,15,39,21,9,10,3,7,59,13,27,21,47,5,21,6
  1996. };
  1997. static ImWchar base_ranges[] = // not zero-terminated
  1998. {
  1999. 0x0020, 0x00FF, // Basic Latin + Latin Supplement
  2000. 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
  2001. 0x31F0, 0x31FF, // Katakana Phonetic Extensions
  2002. 0xFF00, 0xFFEF, // Half-width characters
  2003. };
  2004. static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 };
  2005. if (!full_ranges[0])
  2006. {
  2007. memcpy(full_ranges, base_ranges, sizeof(base_ranges));
  2008. UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
  2009. }
  2010. return &full_ranges[0];
  2011. }
  2012. const ImWchar* ImFontAtlas::GetGlyphRangesJapanese()
  2013. {
  2014. // 1946 common ideograms code points for Japanese
  2015. // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering
  2016. // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this.
  2017. // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters.
  2018. // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.)
  2019. static const short accumulative_offsets_from_0x4E00[] =
  2020. {
  2021. 0,1,2,4,1,1,1,1,2,1,6,2,2,1,8,5,7,11,1,2,10,10,8,2,4,20,2,11,8,2,1,2,1,6,2,1,7,5,3,7,1,1,13,7,9,1,4,6,1,2,1,10,1,1,9,2,2,4,5,6,14,1,1,9,3,18,
  2022. 5,4,2,2,10,7,1,1,1,3,2,4,3,23,2,10,12,2,14,2,4,13,1,6,10,3,1,7,13,6,4,13,5,2,3,17,2,2,5,7,6,4,1,7,14,16,6,13,9,15,1,1,7,16,4,7,1,19,9,2,7,15,
  2023. 2,6,5,13,25,4,14,13,11,25,1,1,1,2,1,2,2,3,10,11,3,3,1,1,4,4,2,1,4,9,1,4,3,5,5,2,7,12,11,15,7,16,4,5,16,2,1,1,6,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1,
  2024. 2,1,12,3,3,9,5,8,1,11,1,2,3,18,20,4,1,3,6,1,7,3,5,5,7,2,2,12,3,1,4,2,3,2,3,11,8,7,4,17,1,9,25,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,6,16,1,2,1,1,3,12,
  2025. 20,2,5,20,8,7,6,2,1,1,1,1,6,2,1,2,10,1,1,6,1,3,1,2,1,4,1,12,4,1,3,1,1,1,1,1,10,4,7,5,13,1,15,1,1,30,11,9,1,15,38,14,1,32,17,20,1,9,31,2,21,9,
  2026. 4,49,22,2,1,13,1,11,45,35,43,55,12,19,83,1,3,2,3,13,2,1,7,3,18,3,13,8,1,8,18,5,3,7,25,24,9,24,40,3,17,24,2,1,6,2,3,16,15,6,7,3,12,1,9,7,3,3,
  2027. 3,15,21,5,16,4,5,12,11,11,3,6,3,2,31,3,2,1,1,23,6,6,1,4,2,6,5,2,1,1,3,3,22,2,6,2,3,17,3,2,4,5,1,9,5,1,1,6,15,12,3,17,2,14,2,8,1,23,16,4,2,23,
  2028. 8,15,23,20,12,25,19,47,11,21,65,46,4,3,1,5,6,1,2,5,26,2,1,1,3,11,1,1,1,2,1,2,3,1,1,10,2,3,1,1,1,3,6,3,2,2,6,6,9,2,2,2,6,2,5,10,2,4,1,2,1,2,2,
  2029. 3,1,1,3,1,2,9,23,9,2,1,1,1,1,5,3,2,1,10,9,6,1,10,2,31,25,3,7,5,40,1,15,6,17,7,27,180,1,3,2,2,1,1,1,6,3,10,7,1,3,6,17,8,6,2,2,1,3,5,5,8,16,14,
  2030. 15,1,1,4,1,2,1,1,1,3,2,7,5,6,2,5,10,1,4,2,9,1,1,11,6,1,44,1,3,7,9,5,1,3,1,1,10,7,1,10,4,2,7,21,15,7,2,5,1,8,3,4,1,3,1,6,1,4,2,1,4,10,8,1,4,5,
  2031. 1,5,10,2,7,1,10,1,1,3,4,11,10,29,4,7,3,5,2,3,33,5,2,19,3,1,4,2,6,31,11,1,3,3,3,1,8,10,9,12,11,12,8,3,14,8,6,11,1,4,41,3,1,2,7,13,1,5,6,2,6,12,
  2032. 12,22,5,9,4,8,9,9,34,6,24,1,1,20,9,9,3,4,1,7,2,2,2,6,2,28,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,8,8,3,2,1,5,1,2,2,3,1,11,11,7,3,6,10,8,6,16,16,
  2033. 22,7,12,6,21,5,4,6,6,3,6,1,3,2,1,2,8,29,1,10,1,6,13,6,6,19,31,1,13,4,4,22,17,26,33,10,4,15,12,25,6,67,10,2,3,1,6,10,2,6,2,9,1,9,4,4,1,2,16,2,
  2034. 5,9,2,3,8,1,8,3,9,4,8,6,4,8,11,3,2,1,1,3,26,1,7,5,1,11,1,5,3,5,2,13,6,39,5,1,5,2,11,6,10,5,1,15,5,3,6,19,21,22,2,4,1,6,1,8,1,4,8,2,4,2,2,9,2,
  2035. 1,1,1,4,3,6,3,12,7,1,14,2,4,10,2,13,1,17,7,3,2,1,3,2,13,7,14,12,3,1,29,2,8,9,15,14,9,14,1,3,1,6,5,9,11,3,38,43,20,7,7,8,5,15,12,19,15,81,8,7,
  2036. 1,5,73,13,37,28,8,8,1,15,18,20,165,28,1,6,11,8,4,14,7,15,1,3,3,6,4,1,7,14,1,1,11,30,1,5,1,4,14,1,4,2,7,52,2,6,29,3,1,9,1,21,3,5,1,26,3,11,14,
  2037. 11,1,17,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,7,7,5,17,3,3,3,1,23,10,4,4,6,3,1,16,17,22,3,10,21,16,16,6,4,10,2,1,1,2,8,8,6,5,3,3,3,39,25,
  2038. 15,1,1,16,6,7,25,15,6,6,12,1,22,13,1,4,9,5,12,2,9,1,12,28,8,3,5,10,22,60,1,2,40,4,61,63,4,1,13,12,1,4,31,12,1,14,89,5,16,6,29,14,2,5,49,18,18,
  2039. 5,29,33,47,1,17,1,19,12,2,9,7,39,12,3,7,12,39,3,1,46,4,12,3,8,9,5,31,15,18,3,2,2,66,19,13,17,5,3,46,124,13,57,34,2,5,4,5,8,1,1,1,4,3,1,17,5,
  2040. 3,5,3,1,8,5,6,3,27,3,26,7,12,7,2,17,3,7,18,78,16,4,36,1,2,1,6,2,1,39,17,7,4,13,4,4,4,1,10,4,2,4,6,3,10,1,19,1,26,2,4,33,2,73,47,7,3,8,2,4,15,
  2041. 18,1,29,2,41,14,1,21,16,41,7,39,25,13,44,2,2,10,1,13,7,1,7,3,5,20,4,8,2,49,1,10,6,1,6,7,10,7,11,16,3,12,20,4,10,3,1,2,11,2,28,9,2,4,7,2,15,1,
  2042. 27,1,28,17,4,5,10,7,3,24,10,11,6,26,3,2,7,2,2,49,16,10,16,15,4,5,27,61,30,14,38,22,2,7,5,1,3,12,23,24,17,17,3,3,2,4,1,6,2,7,5,1,1,5,1,1,9,4,
  2043. 1,3,6,1,8,2,8,4,14,3,5,11,4,1,3,32,1,19,4,1,13,11,5,2,1,8,6,8,1,6,5,13,3,23,11,5,3,16,3,9,10,1,24,3,198,52,4,2,2,5,14,5,4,22,5,20,4,11,6,41,
  2044. 1,5,2,2,11,5,2,28,35,8,22,3,18,3,10,7,5,3,4,1,5,3,8,9,3,6,2,16,22,4,5,5,3,3,18,23,2,6,23,5,27,8,1,33,2,12,43,16,5,2,3,6,1,20,4,2,9,7,1,11,2,
  2045. 10,3,14,31,9,3,25,18,20,2,5,5,26,14,1,11,17,12,40,19,9,6,31,83,2,7,9,19,78,12,14,21,76,12,113,79,34,4,1,1,61,18,85,10,2,2,13,31,11,50,6,33,159,
  2046. 179,6,6,7,4,4,2,4,2,5,8,7,20,32,22,1,3,10,6,7,28,5,10,9,2,77,19,13,2,5,1,4,4,7,4,13,3,9,31,17,3,26,2,6,6,5,4,1,7,11,3,4,2,1,6,2,20,4,1,9,2,6,
  2047. 3,7,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,5,13,8,4,11,23,1,10,6,2,1,3,21,2,2,4,24,31,4,10,10,2,5,192,15,4,16,7,9,51,1,2,1,1,5,1,1,2,1,3,5,3,1,3,4,1,
  2048. 3,1,3,3,9,8,1,2,2,2,4,4,18,12,92,2,10,4,3,14,5,25,16,42,4,14,4,2,21,5,126,30,31,2,1,5,13,3,22,5,6,6,20,12,1,14,12,87,3,19,1,8,2,9,9,3,3,23,2,
  2049. 3,7,6,3,1,2,3,9,1,3,1,6,3,2,1,3,11,3,1,6,10,3,2,3,1,2,1,5,1,1,11,3,6,4,1,7,2,1,2,5,5,34,4,14,18,4,19,7,5,8,2,6,79,1,5,2,14,8,2,9,2,1,36,28,16,
  2050. 4,1,1,1,2,12,6,42,39,16,23,7,15,15,3,2,12,7,21,64,6,9,28,8,12,3,3,41,59,24,51,55,57,294,9,9,2,6,2,15,1,2,13,38,90,9,9,9,3,11,7,1,1,1,5,6,3,2,
  2051. 1,2,2,3,8,1,4,4,1,5,7,1,4,3,20,4,9,1,1,1,5,5,17,1,5,2,6,2,4,1,4,5,7,3,18,11,11,32,7,5,4,7,11,127,8,4,3,3,1,10,1,1,6,21,14,1,16,1,7,1,3,6,9,65,
  2052. 51,4,3,13,3,10,1,1,12,9,21,110,3,19,24,1,1,10,62,4,1,29,42,78,28,20,18,82,6,3,15,6,84,58,253,15,155,264,15,21,9,14,7,58,40,39,
  2053. };
  2054. static ImWchar base_ranges[] = // not zero-terminated
  2055. {
  2056. 0x0020, 0x00FF, // Basic Latin + Latin Supplement
  2057. 0x3000, 0x30FF, // Punctuations, Hiragana, Katakana
  2058. 0x31F0, 0x31FF, // Katakana Phonetic Extensions
  2059. 0xFF00, 0xFFEF, // Half-width characters
  2060. };
  2061. static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 };
  2062. if (!full_ranges[0])
  2063. {
  2064. memcpy(full_ranges, base_ranges, sizeof(base_ranges));
  2065. UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges));
  2066. }
  2067. return &full_ranges[0];
  2068. }
  2069. const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic()
  2070. {
  2071. static const ImWchar ranges[] =
  2072. {
  2073. 0x0020, 0x00FF, // Basic Latin + Latin Supplement
  2074. 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement
  2075. 0x2DE0, 0x2DFF, // Cyrillic Extended-A
  2076. 0xA640, 0xA69F, // Cyrillic Extended-B
  2077. 0,
  2078. };
  2079. return &ranges[0];
  2080. }
  2081. const ImWchar* ImFontAtlas::GetGlyphRangesThai()
  2082. {
  2083. static const ImWchar ranges[] =
  2084. {
  2085. 0x0020, 0x00FF, // Basic Latin
  2086. 0x2010, 0x205E, // Punctuations
  2087. 0x0E00, 0x0E7F, // Thai
  2088. 0,
  2089. };
  2090. return &ranges[0];
  2091. }
  2092. //-----------------------------------------------------------------------------
  2093. // [SECTION] ImFontGlyphRangesBuilder
  2094. //-----------------------------------------------------------------------------
  2095. void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end)
  2096. {
  2097. while (text_end ? (text < text_end) : *text)
  2098. {
  2099. unsigned int c = 0;
  2100. int c_len = ImTextCharFromUtf8(&c, text, text_end);
  2101. text += c_len;
  2102. if (c_len == 0)
  2103. break;
  2104. if (c < 0x10000)
  2105. AddChar((ImWchar)c);
  2106. }
  2107. }
  2108. void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges)
  2109. {
  2110. for (; ranges[0]; ranges += 2)
  2111. for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
  2112. AddChar(c);
  2113. }
  2114. void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
  2115. {
  2116. for (int n = 0; n < 0x10000; n++)
  2117. if (GetBit(n))
  2118. {
  2119. out_ranges->push_back((ImWchar)n);
  2120. while (n < 0x10000 && GetBit(n + 1))
  2121. n++;
  2122. out_ranges->push_back((ImWchar)n);
  2123. }
  2124. out_ranges->push_back(0);
  2125. }
  2126. //-----------------------------------------------------------------------------
  2127. // [SECTION] ImFont
  2128. //-----------------------------------------------------------------------------
  2129. ImFont::ImFont()
  2130. {
  2131. Scale = 1.0f;
  2132. FallbackChar = (ImWchar)'?';
  2133. DisplayOffset = ImVec2(0.0f, 0.0f);
  2134. ClearOutputData();
  2135. }
  2136. ImFont::~ImFont()
  2137. {
  2138. // Invalidate active font so that the user gets a clear crash instead of a dangling pointer.
  2139. // If you want to delete fonts you need to do it between Render() and NewFrame().
  2140. // FIXME-CLEANUP
  2141. /*
  2142. ImGuiContext& g = *GImGui;
  2143. if (g.Font == this)
  2144. g.Font = NULL;
  2145. */
  2146. ClearOutputData();
  2147. }
  2148. void ImFont::ClearOutputData()
  2149. {
  2150. FontSize = 0.0f;
  2151. Glyphs.clear();
  2152. IndexAdvanceX.clear();
  2153. IndexLookup.clear();
  2154. FallbackGlyph = NULL;
  2155. FallbackAdvanceX = 0.0f;
  2156. ConfigDataCount = 0;
  2157. ConfigData = NULL;
  2158. ContainerAtlas = NULL;
  2159. Ascent = Descent = 0.0f;
  2160. DirtyLookupTables = true;
  2161. MetricsTotalSurface = 0;
  2162. }
  2163. void ImFont::BuildLookupTable()
  2164. {
  2165. int max_codepoint = 0;
  2166. for (int i = 0; i != Glyphs.Size; i++)
  2167. max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint);
  2168. IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
  2169. IndexAdvanceX.clear();
  2170. IndexLookup.clear();
  2171. DirtyLookupTables = false;
  2172. GrowIndex(max_codepoint + 1);
  2173. for (int i = 0; i < Glyphs.Size; i++)
  2174. {
  2175. int codepoint = (int)Glyphs[i].Codepoint;
  2176. IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX;
  2177. IndexLookup[codepoint] = (ImWchar)i;
  2178. }
  2179. // Create a glyph to handle TAB
  2180. // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?)
  2181. if (FindGlyph((ImWchar)' '))
  2182. {
  2183. if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
  2184. Glyphs.resize(Glyphs.Size + 1);
  2185. ImFontGlyph& tab_glyph = Glyphs.back();
  2186. tab_glyph = *FindGlyph((ImWchar)' ');
  2187. tab_glyph.Codepoint = '\t';
  2188. tab_glyph.AdvanceX *= 4;
  2189. IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
  2190. IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1);
  2191. }
  2192. FallbackGlyph = FindGlyphNoFallback(FallbackChar);
  2193. FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f;
  2194. for (int i = 0; i < max_codepoint + 1; i++)
  2195. if (IndexAdvanceX[i] < 0.0f)
  2196. IndexAdvanceX[i] = FallbackAdvanceX;
  2197. }
  2198. void ImFont::SetFallbackChar(ImWchar c)
  2199. {
  2200. FallbackChar = c;
  2201. BuildLookupTable();
  2202. }
  2203. void ImFont::GrowIndex(int new_size)
  2204. {
  2205. IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size);
  2206. if (new_size <= IndexLookup.Size)
  2207. return;
  2208. IndexAdvanceX.resize(new_size, -1.0f);
  2209. IndexLookup.resize(new_size, (ImWchar)-1);
  2210. }
  2211. // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
  2212. // Not to be mistaken with texture coordinates, which are held by u0/v0/u1/v1 in normalized format (0.0..1.0 on each texture axis).
  2213. void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
  2214. {
  2215. Glyphs.resize(Glyphs.Size + 1);
  2216. ImFontGlyph& glyph = Glyphs.back();
  2217. glyph.Codepoint = (ImWchar)codepoint;
  2218. glyph.X0 = x0;
  2219. glyph.Y0 = y0;
  2220. glyph.X1 = x1;
  2221. glyph.Y1 = y1;
  2222. glyph.U0 = u0;
  2223. glyph.V0 = v0;
  2224. glyph.U1 = u1;
  2225. glyph.V1 = v1;
  2226. glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX
  2227. if (ConfigData->PixelSnapH)
  2228. glyph.AdvanceX = (float)(int)(glyph.AdvanceX + 0.5f);
  2229. // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round)
  2230. DirtyLookupTables = true;
  2231. MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f);
  2232. }
  2233. void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst)
  2234. {
  2235. IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function.
  2236. int index_size = IndexLookup.Size;
  2237. if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists
  2238. return;
  2239. if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op
  2240. return;
  2241. GrowIndex(dst + 1);
  2242. IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1;
  2243. IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
  2244. }
  2245. const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
  2246. {
  2247. if (c >= IndexLookup.Size)
  2248. return FallbackGlyph;
  2249. const ImWchar i = IndexLookup.Data[c];
  2250. if (i == (ImWchar)-1)
  2251. return FallbackGlyph;
  2252. return &Glyphs.Data[i];
  2253. }
  2254. const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
  2255. {
  2256. if (c >= IndexLookup.Size)
  2257. return NULL;
  2258. const ImWchar i = IndexLookup.Data[c];
  2259. if (i == (ImWchar)-1)
  2260. return NULL;
  2261. return &Glyphs.Data[i];
  2262. }
  2263. const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const
  2264. {
  2265. // Simple word-wrapping for English, not full-featured. Please submit failing cases!
  2266. // 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.)
  2267. // For references, possible wrap point marked with ^
  2268. // "aaa bbb, ccc,ddd. eee fff. ggg!"
  2269. // ^ ^ ^ ^ ^__ ^ ^
  2270. // List of hardcoded separators: .,;!?'"
  2271. // Skip extra blanks after a line returns (that includes not counting them in width computation)
  2272. // e.g. "Hello world" --> "Hello" "World"
  2273. // Cut words that cannot possibly fit within one line.
  2274. // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish"
  2275. float line_width = 0.0f;
  2276. float word_width = 0.0f;
  2277. float blank_width = 0.0f;
  2278. wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters
  2279. const char* word_end = text;
  2280. const char* prev_word_end = NULL;
  2281. bool inside_word = true;
  2282. const char* s = text;
  2283. while (s < text_end)
  2284. {
  2285. unsigned int c = (unsigned int)*s;
  2286. const char* next_s;
  2287. if (c < 0x80)
  2288. next_s = s + 1;
  2289. else
  2290. next_s = s + ImTextCharFromUtf8(&c, s, text_end);
  2291. if (c == 0)
  2292. break;
  2293. if (c < 32)
  2294. {
  2295. if (c == '\n')
  2296. {
  2297. line_width = word_width = blank_width = 0.0f;
  2298. inside_word = true;
  2299. s = next_s;
  2300. continue;
  2301. }
  2302. if (c == '\r')
  2303. {
  2304. s = next_s;
  2305. continue;
  2306. }
  2307. }
  2308. const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX);
  2309. if (ImCharIsBlankW(c))
  2310. {
  2311. if (inside_word)
  2312. {
  2313. line_width += blank_width;
  2314. blank_width = 0.0f;
  2315. word_end = s;
  2316. }
  2317. blank_width += char_width;
  2318. inside_word = false;
  2319. }
  2320. else
  2321. {
  2322. word_width += char_width;
  2323. if (inside_word)
  2324. {
  2325. word_end = next_s;
  2326. }
  2327. else
  2328. {
  2329. prev_word_end = word_end;
  2330. line_width += word_width + blank_width;
  2331. word_width = blank_width = 0.0f;
  2332. }
  2333. // Allow wrapping after punctuation.
  2334. inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"');
  2335. }
  2336. // We ignore blank width at the end of the line (they can be skipped)
  2337. if (line_width + word_width >= wrap_width)
  2338. {
  2339. // Words that cannot possibly fit within an entire line will be cut anywhere.
  2340. if (word_width < wrap_width)
  2341. s = prev_word_end ? prev_word_end : word_end;
  2342. break;
  2343. }
  2344. s = next_s;
  2345. }
  2346. return s;
  2347. }
  2348. ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const
  2349. {
  2350. if (!text_end)
  2351. text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this.
  2352. const float line_height = size;
  2353. const float scale = size / FontSize;
  2354. ImVec2 text_size = ImVec2(0,0);
  2355. float line_width = 0.0f;
  2356. const bool word_wrap_enabled = (wrap_width > 0.0f);
  2357. const char* word_wrap_eol = NULL;
  2358. const char* s = text_begin;
  2359. while (s < text_end)
  2360. {
  2361. if (word_wrap_enabled)
  2362. {
  2363. // 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.
  2364. if (!word_wrap_eol)
  2365. {
  2366. word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width);
  2367. if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
  2368. 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
  2369. }
  2370. if (s >= word_wrap_eol)
  2371. {
  2372. if (text_size.x < line_width)
  2373. text_size.x = line_width;
  2374. text_size.y += line_height;
  2375. line_width = 0.0f;
  2376. word_wrap_eol = NULL;
  2377. // Wrapping skips upcoming blanks
  2378. while (s < text_end)
  2379. {
  2380. const char c = *s;
  2381. if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
  2382. }
  2383. continue;
  2384. }
  2385. }
  2386. // Decode and advance source
  2387. const char* prev_s = s;
  2388. unsigned int c = (unsigned int)*s;
  2389. if (c < 0x80)
  2390. {
  2391. s += 1;
  2392. }
  2393. else
  2394. {
  2395. s += ImTextCharFromUtf8(&c, s, text_end);
  2396. if (c == 0) // Malformed UTF-8?
  2397. break;
  2398. }
  2399. if (c < 32)
  2400. {
  2401. if (c == '\n')
  2402. {
  2403. text_size.x = ImMax(text_size.x, line_width);
  2404. text_size.y += line_height;
  2405. line_width = 0.0f;
  2406. continue;
  2407. }
  2408. if (c == '\r')
  2409. continue;
  2410. }
  2411. const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale;
  2412. if (line_width + char_width >= max_width)
  2413. {
  2414. s = prev_s;
  2415. break;
  2416. }
  2417. line_width += char_width;
  2418. }
  2419. if (text_size.x < line_width)
  2420. text_size.x = line_width;
  2421. if (line_width > 0 || text_size.y == 0.0f)
  2422. text_size.y += line_height;
  2423. if (remaining)
  2424. *remaining = s;
  2425. return text_size;
  2426. }
  2427. void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const
  2428. {
  2429. if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.
  2430. return;
  2431. if (const ImFontGlyph* glyph = FindGlyph(c))
  2432. {
  2433. float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
  2434. pos.x = (float)(int)pos.x + DisplayOffset.x;
  2435. pos.y = (float)(int)pos.y + DisplayOffset.y;
  2436. draw_list->PrimReserve(6, 4);
  2437. 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);
  2438. }
  2439. }
  2440. 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
  2441. {
  2442. if (!text_end)
  2443. text_end = text_begin + strlen(text_begin); // ImGui functions generally already provides a valid text_end, so this is merely to handle direct calls.
  2444. // Align to be pixel perfect
  2445. pos.x = (float)(int)pos.x + DisplayOffset.x;
  2446. pos.y = (float)(int)pos.y + DisplayOffset.y;
  2447. float x = pos.x;
  2448. float y = pos.y;
  2449. if (y > clip_rect.w)
  2450. return;
  2451. const float scale = size / FontSize;
  2452. const float line_height = FontSize * scale;
  2453. const bool word_wrap_enabled = (wrap_width > 0.0f);
  2454. const char* word_wrap_eol = NULL;
  2455. // Fast-forward to first visible line
  2456. const char* s = text_begin;
  2457. if (y + line_height < clip_rect.y && !word_wrap_enabled)
  2458. while (y + line_height < clip_rect.y && s < text_end)
  2459. {
  2460. s = (const char*)memchr(s, '\n', text_end - s);
  2461. s = s ? s + 1 : text_end;
  2462. y += line_height;
  2463. }
  2464. // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve()
  2465. // Note that very large horizontal line will still be affected by the issue (e.g. a one megabyte string buffer without a newline will likely crash atm)
  2466. if (text_end - s > 10000 && !word_wrap_enabled)
  2467. {
  2468. const char* s_end = s;
  2469. float y_end = y;
  2470. while (y_end < clip_rect.w && s_end < text_end)
  2471. {
  2472. s_end = (const char*)memchr(s_end, '\n', text_end - s_end);
  2473. s_end = s_end ? s_end + 1 : text_end;
  2474. y_end += line_height;
  2475. }
  2476. text_end = s_end;
  2477. }
  2478. if (s == text_end)
  2479. return;
  2480. // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
  2481. const int vtx_count_max = (int)(text_end - s) * 4;
  2482. const int idx_count_max = (int)(text_end - s) * 6;
  2483. const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max;
  2484. draw_list->PrimReserve(idx_count_max, vtx_count_max);
  2485. ImDrawVert* vtx_write = draw_list->_VtxWritePtr;
  2486. ImDrawIdx* idx_write = draw_list->_IdxWritePtr;
  2487. unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx;
  2488. while (s < text_end)
  2489. {
  2490. if (word_wrap_enabled)
  2491. {
  2492. // 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.
  2493. if (!word_wrap_eol)
  2494. {
  2495. word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x));
  2496. if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity.
  2497. 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
  2498. }
  2499. if (s >= word_wrap_eol)
  2500. {
  2501. x = pos.x;
  2502. y += line_height;
  2503. word_wrap_eol = NULL;
  2504. // Wrapping skips upcoming blanks
  2505. while (s < text_end)
  2506. {
  2507. const char c = *s;
  2508. if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; }
  2509. }
  2510. continue;
  2511. }
  2512. }
  2513. // Decode and advance source
  2514. unsigned int c = (unsigned int)*s;
  2515. if (c < 0x80)
  2516. {
  2517. s += 1;
  2518. }
  2519. else
  2520. {
  2521. s += ImTextCharFromUtf8(&c, s, text_end);
  2522. if (c == 0) // Malformed UTF-8?
  2523. break;
  2524. }
  2525. if (c < 32)
  2526. {
  2527. if (c == '\n')
  2528. {
  2529. x = pos.x;
  2530. y += line_height;
  2531. if (y > clip_rect.w)
  2532. break; // break out of main loop
  2533. continue;
  2534. }
  2535. if (c == '\r')
  2536. continue;
  2537. }
  2538. float char_width = 0.0f;
  2539. if (const ImFontGlyph* glyph = FindGlyph((ImWchar)c))
  2540. {
  2541. char_width = glyph->AdvanceX * scale;
  2542. // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
  2543. if (c != ' ' && c != '\t')
  2544. {
  2545. // 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
  2546. float x1 = x + glyph->X0 * scale;
  2547. float x2 = x + glyph->X1 * scale;
  2548. float y1 = y + glyph->Y0 * scale;
  2549. float y2 = y + glyph->Y1 * scale;
  2550. if (x1 <= clip_rect.z && x2 >= clip_rect.x)
  2551. {
  2552. // Render a character
  2553. float u1 = glyph->U0;
  2554. float v1 = glyph->V0;
  2555. float u2 = glyph->U1;
  2556. float v2 = glyph->V1;
  2557. // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads.
  2558. if (cpu_fine_clip)
  2559. {
  2560. if (x1 < clip_rect.x)
  2561. {
  2562. u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1);
  2563. x1 = clip_rect.x;
  2564. }
  2565. if (y1 < clip_rect.y)
  2566. {
  2567. v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1);
  2568. y1 = clip_rect.y;
  2569. }
  2570. if (x2 > clip_rect.z)
  2571. {
  2572. u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1);
  2573. x2 = clip_rect.z;
  2574. }
  2575. if (y2 > clip_rect.w)
  2576. {
  2577. v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1);
  2578. y2 = clip_rect.w;
  2579. }
  2580. if (y1 >= y2)
  2581. {
  2582. x += char_width;
  2583. continue;
  2584. }
  2585. }
  2586. // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here:
  2587. {
  2588. idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
  2589. idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
  2590. 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;
  2591. 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;
  2592. 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;
  2593. 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;
  2594. vtx_write += 4;
  2595. vtx_current_idx += 4;
  2596. idx_write += 6;
  2597. }
  2598. }
  2599. }
  2600. }
  2601. x += char_width;
  2602. }
  2603. // Give back unused vertices
  2604. draw_list->VtxBuffer.resize((int)(vtx_write - draw_list->VtxBuffer.Data));
  2605. draw_list->IdxBuffer.resize((int)(idx_write - draw_list->IdxBuffer.Data));
  2606. draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size);
  2607. draw_list->_VtxWritePtr = vtx_write;
  2608. draw_list->_IdxWritePtr = idx_write;
  2609. draw_list->_VtxCurrentIdx = (unsigned int)draw_list->VtxBuffer.Size;
  2610. }
  2611. //-----------------------------------------------------------------------------
  2612. // [SECTION] Internal Render Helpers
  2613. // (progressively moved from imgui.cpp to here when they are redesigned to stop accessing ImGui global state)
  2614. //-----------------------------------------------------------------------------
  2615. // - RenderMouseCursor()
  2616. // - RenderArrowPointingAt()
  2617. // - RenderRectFilledRangeH()
  2618. // - RenderPixelEllipsis()
  2619. //-----------------------------------------------------------------------------
  2620. void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor)
  2621. {
  2622. if (mouse_cursor == ImGuiMouseCursor_None)
  2623. return;
  2624. IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
  2625. const ImU32 col_shadow = IM_COL32(0, 0, 0, 48);
  2626. const ImU32 col_border = IM_COL32(0, 0, 0, 255); // Black
  2627. const ImU32 col_fill = IM_COL32(255, 255, 255, 255); // White
  2628. ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
  2629. ImVec2 offset, size, uv[4];
  2630. if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
  2631. {
  2632. pos -= offset;
  2633. const ImTextureID tex_id = font_atlas->TexID;
  2634. draw_list->PushTextureID(tex_id);
  2635. draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow);
  2636. draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow);
  2637. draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border);
  2638. draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill);
  2639. draw_list->PopTextureID();
  2640. }
  2641. }
  2642. // Render an arrow. 'pos' is position of the arrow tip. half_sz.x is length from base to tip. half_sz.y is length on each side.
  2643. void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
  2644. {
  2645. switch (direction)
  2646. {
  2647. case ImGuiDir_Left: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), pos, col); return;
  2648. case ImGuiDir_Right: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), pos, col); return;
  2649. case ImGuiDir_Up: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), pos, col); return;
  2650. case ImGuiDir_Down: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), pos, col); return;
  2651. case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
  2652. }
  2653. }
  2654. static inline float ImAcos01(float x)
  2655. {
  2656. if (x <= 0.0f) return IM_PI * 0.5f;
  2657. if (x >= 1.0f) return 0.0f;
  2658. return ImAcos(x);
  2659. //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do.
  2660. }
  2661. // FIXME: Cleanup and move code to ImDrawList.
  2662. void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding)
  2663. {
  2664. if (x_end_norm == x_start_norm)
  2665. return;
  2666. if (x_start_norm > x_end_norm)
  2667. ImSwap(x_start_norm, x_end_norm);
  2668. ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y);
  2669. ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y);
  2670. if (rounding == 0.0f)
  2671. {
  2672. draw_list->AddRectFilled(p0, p1, col, 0.0f);
  2673. return;
  2674. }
  2675. rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding);
  2676. const float inv_rounding = 1.0f / rounding;
  2677. const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding);
  2678. const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding);
  2679. const float x0 = ImMax(p0.x, rect.Min.x + rounding);
  2680. if (arc0_b == arc0_e)
  2681. {
  2682. draw_list->PathLineTo(ImVec2(x0, p1.y));
  2683. draw_list->PathLineTo(ImVec2(x0, p0.y));
  2684. }
  2685. else if (arc0_b == 0.0f && arc0_e == IM_PI*0.5f)
  2686. {
  2687. draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL
  2688. draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR
  2689. }
  2690. else
  2691. {
  2692. draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL
  2693. draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR
  2694. }
  2695. if (p1.x > rect.Min.x + rounding)
  2696. {
  2697. const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding);
  2698. const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding);
  2699. const float x1 = ImMin(p1.x, rect.Max.x - rounding);
  2700. if (arc1_b == arc1_e)
  2701. {
  2702. draw_list->PathLineTo(ImVec2(x1, p0.y));
  2703. draw_list->PathLineTo(ImVec2(x1, p1.y));
  2704. }
  2705. else if (arc1_b == 0.0f && arc1_e == IM_PI*0.5f)
  2706. {
  2707. draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR
  2708. draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR
  2709. }
  2710. else
  2711. {
  2712. draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR
  2713. draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR
  2714. }
  2715. }
  2716. draw_list->PathFillConvex(col);
  2717. }
  2718. // FIXME: Rendering an ellipsis "..." is a surprisingly tricky problem for us... we cannot rely on font glyph having it,
  2719. // and regular dot are typically too wide. If we render a dot/shape ourselves it comes with the risk that it wouldn't match
  2720. // the boldness or positioning of what the font uses...
  2721. void ImGui::RenderPixelEllipsis(ImDrawList* draw_list, ImVec2 pos, int count, ImU32 col)
  2722. {
  2723. ImFont* font = draw_list->_Data->Font;
  2724. pos.y += (float)(int)(font->DisplayOffset.y + font->Ascent + 0.5f - 1.0f);
  2725. for (int dot_n = 0; dot_n < count; dot_n++)
  2726. draw_list->AddRectFilled(ImVec2(pos.x + dot_n * 2.0f, pos.y), ImVec2(pos.x + dot_n * 2.0f + 1.0f, pos.y + 1.0f), col);
  2727. }
  2728. //-----------------------------------------------------------------------------
  2729. // [SECTION] Decompression code
  2730. //-----------------------------------------------------------------------------
  2731. // Compressed with stb_compress() then converted to a C array and encoded as base85.
  2732. // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file.
  2733. // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
  2734. // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h
  2735. //-----------------------------------------------------------------------------
  2736. static unsigned int stb_decompress_length(const unsigned char *input)
  2737. {
  2738. return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11];
  2739. }
  2740. static unsigned char *stb__barrier_out_e, *stb__barrier_out_b;
  2741. static const unsigned char *stb__barrier_in_b;
  2742. static unsigned char *stb__dout;
  2743. static void stb__match(const unsigned char *data, unsigned int length)
  2744. {
  2745. // INVERSE of memmove... write each byte before copying the next...
  2746. IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
  2747. if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
  2748. if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; }
  2749. while (length--) *stb__dout++ = *data++;
  2750. }
  2751. static void stb__lit(const unsigned char *data, unsigned int length)
  2752. {
  2753. IM_ASSERT(stb__dout + length <= stb__barrier_out_e);
  2754. if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; }
  2755. if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; }
  2756. memcpy(stb__dout, data, length);
  2757. stb__dout += length;
  2758. }
  2759. #define stb__in2(x) ((i[x] << 8) + i[(x)+1])
  2760. #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1))
  2761. #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1))
  2762. static const unsigned char *stb_decompress_token(const unsigned char *i)
  2763. {
  2764. if (*i >= 0x20) { // use fewer if's for cases that expand small
  2765. if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2;
  2766. else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3;
  2767. else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1);
  2768. } else { // more ifs for cases that expand large, since overhead is amortized
  2769. if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4;
  2770. else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5;
  2771. else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1);
  2772. else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1);
  2773. else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5;
  2774. else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6;
  2775. }
  2776. return i;
  2777. }
  2778. static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen)
  2779. {
  2780. const unsigned long ADLER_MOD = 65521;
  2781. unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16;
  2782. unsigned long blocklen, i;
  2783. blocklen = buflen % 5552;
  2784. while (buflen) {
  2785. for (i=0; i + 7 < blocklen; i += 8) {
  2786. s1 += buffer[0], s2 += s1;
  2787. s1 += buffer[1], s2 += s1;
  2788. s1 += buffer[2], s2 += s1;
  2789. s1 += buffer[3], s2 += s1;
  2790. s1 += buffer[4], s2 += s1;
  2791. s1 += buffer[5], s2 += s1;
  2792. s1 += buffer[6], s2 += s1;
  2793. s1 += buffer[7], s2 += s1;
  2794. buffer += 8;
  2795. }
  2796. for (; i < blocklen; ++i)
  2797. s1 += *buffer++, s2 += s1;
  2798. s1 %= ADLER_MOD, s2 %= ADLER_MOD;
  2799. buflen -= blocklen;
  2800. blocklen = 5552;
  2801. }
  2802. return (unsigned int)(s2 << 16) + (unsigned int)s1;
  2803. }
  2804. static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/)
  2805. {
  2806. unsigned int olen;
  2807. if (stb__in4(0) != 0x57bC0000) return 0;
  2808. if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
  2809. olen = stb_decompress_length(i);
  2810. stb__barrier_in_b = i;
  2811. stb__barrier_out_e = output + olen;
  2812. stb__barrier_out_b = output;
  2813. i += 16;
  2814. stb__dout = output;
  2815. for (;;) {
  2816. const unsigned char *old_i = i;
  2817. i = stb_decompress_token(i);
  2818. if (i == old_i) {
  2819. if (*i == 0x05 && i[1] == 0xfa) {
  2820. IM_ASSERT(stb__dout == output + olen);
  2821. if (stb__dout != output + olen) return 0;
  2822. if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2))
  2823. return 0;
  2824. return olen;
  2825. } else {
  2826. IM_ASSERT(0); /* NOTREACHED */
  2827. return 0;
  2828. }
  2829. }
  2830. IM_ASSERT(stb__dout <= output + olen);
  2831. if (stb__dout > output + olen)
  2832. return 0;
  2833. }
  2834. }
  2835. //-----------------------------------------------------------------------------
  2836. // [SECTION] Default font data (ProggyClean.ttf)
  2837. //-----------------------------------------------------------------------------
  2838. // ProggyClean.ttf
  2839. // Copyright (c) 2004, 2005 Tristan Grimmer
  2840. // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip)
  2841. // Download and more information at http://upperbounds.net
  2842. //-----------------------------------------------------------------------------
  2843. // File: 'ProggyClean.ttf' (41208 bytes)
  2844. // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
  2845. // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
  2846. //-----------------------------------------------------------------------------
  2847. static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
  2848. "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
  2849. "2*>]b(MC;$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#"
  2850. "`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"
  2851. "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"
  2852. "kfimM2J,W-jXS:)r0wK#@Fge$U>`w'N7G#$#fB#$E^$#:9:hk+eOe--6x)F7*E%?76%^GMHePW-Z5l'&GiF#$956:rS?dA#fiK:)Yr+`&#0j@'DbG&#^$PG.Ll+DNa<XCMKEV*N)LN/N"
  2853. "*b=%Q6pia-Xg8I$<MR&,VdJe$<(7G;Ckl'&hF;;$<_=X(b.RS%%)###MPBuuE1V:v&cX&#2m#(&cV]`k9OhLMbn%s$G2,B$BfD3X*sp5#l,$R#]x_X1xKX%b5U*[r5iMfUo9U`N99hG)"
  2854. "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"
  2855. "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."
  2856. "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"
  2857. "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(,)"
  2858. "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#"
  2859. "'/###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"
  2860. "_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"
  2861. "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/"
  2862. "/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"
  2863. "%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&#"
  2864. "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)("
  2865. "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"
  2866. "o;#2:;%d&#x9v68C5g?ntX0X)pT`;%pB3q7mgGN)3%(P8nTd5L7GeA-GL@+%J3u2:(Yf>et`e;)f#Km8&+DC$I46>#Kr]]u-[=99tts1.qb#q72g1WJO81q+eN'03'eM>&1XxY-caEnO"
  2867. "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^-"
  2868. "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-"
  2869. "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"
  2870. "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%"
  2871. "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]"
  2872. "%(?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"
  2873. "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:"
  2874. "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("
  2875. "$/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<"
  2876. "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'?"
  2877. "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/;"
  2878. ")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"
  2879. "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("
  2880. "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"
  2881. "bIu)'Z,*[>br5fX^:FPAWr-m2KgL<LUN098kTF&#lvo58=/vjDo;.;)Ka*hLR#/k=rKbxuV`>Q_nN6'8uTG&#1T5g)uLv:873UpTLgH+#FgpH'_o1780Ph8KmxQJ8#H72L4@768@Tm&Q"
  2882. "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<-"
  2883. "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"
  2884. "sZ88+dKQ)W6>J%CL<KE>`.d*(B`-n8D9oK<Up]c$X$(,)M8Zt7/[rdkqTgl-0cuGMv'?>-XV1q['-5k'cAZ69e;D_?$ZPP&s^+7])$*$#@QYi9,5P&#9r+$%CE=68>K8r0=dSC%%(@p7"
  2885. ".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@@"
  2886. "$&)WHtPm*5_rO0&e%K&#-30j(E4#'Zb.o/(Tpm$>K'f@[PvFl,hfINTNU6u'0pao7%XUp9]5.>%h`8_=VYbxuel.NTSsJfLacFu3B'lQSu/m6-Oqem8T+oE--$0a/k]uj9EwsG>%veR*"
  2887. "hv^BFpQj:K'#SJ,sB-'#](j.Lg92rTw-*n%@/;39rrJF,l#qV%OrtBeC6/,;qB3ebNW[?,Hqj2L.1NP&GjUR=1D8QaS3Up&@*9wP?+lo7b?@%'k4`p0Z$22%K3+iCZj?XJN4Nm&+YF]u"
  2888. "@-W$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&#"
  2889. "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#"
  2890. "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"
  2891. "d=j.LQf./Ll33+(;q3L-w=8dX$#WF&uIJ@-bfI>%:_i2B5CsR8&9Z&#=mPEnm0f`<&c)QL5uJ#%u%lJj+D-r;BoF&#4DoS97h5g)E#o:&S4weDF,9^Hoe`h*L+_a*NrLW-1pG_&2UdB8"
  2892. "6e%B/:=>)N4xeW.*wft-;$'58-ESqr<b?UI(_%@[P46>#U`'6AQ]m&6/`Z>#S?YY#Vc;r7U2&326d=w&H####?TZ`*4?&.MK?LP8Vxg>$[QXc%QJv92.(Db*B)gb*BM9dM*hJMAo*c&#"
  2893. "b0v=Pjer]$gG&JXDf->'StvU7505l9$AFvgYRI^&<^b68?j#q9QX4SM'RO#&sL1IM.rJfLUAj221]d##DW=m83u5;'bYx,*Sl0hL(W;;$doB&O/TQ:(Z^xBdLjL<Lni;''X.`$#8+1GD"
  2894. ":k$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+"
  2895. "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*"
  2896. "$3WoJSCLweV[aZ'MQIjO<7;X-X;&+dMLvu#^UsGEC9WEc[X(wI7#2.(F0jV*eZf<-Qv3J-c+J5AlrB#$p(H68LvEA'q3n0#m,[`*8Ft)FcYgEud]CWfm68,(aLA$@EFTgLXoBq/UPlp7"
  2897. ":d[/;r_ix=:TF`S5H-b<LI&HY(K=h#)]Lk$K14lVfm:x$H<3^Ql<M`$OhapBnkup'D#L$Pb_`N*g]2e;X/Dtg,bsj&K#2[-:iYr'_wgH)NUIR8a1n#S?Yej'h8^58UbZd+^FKD*T@;6A"
  2898. "7aQC[K8d-(v6GI$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"
  2899. "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"
  2900. "LwQ'(TTB9.xH'>#MJ+gLq9-##@HuZPN0]u:h7.T..G:;$/Usj(T7`Q8tT72LnYl<-qx8;-HV7Q-&Xdx%1a,hC=0u+HlsV>nuIQL-5<N?)NBS)QN*_I,?&)2'IM%L3I)X((e/dl2&8'<M"
  2901. ":^#M*Q+[T.Xri.LYS3v%fF`68h;b-X[/En'CR.q7E)p'/kle2HM,u;^%OKC-N+Ll%F9CF<Nf'^#t2L,;27W:0O@6##U6W7:$rJfLWHj$#)woqBefIZ.PK<b*t7ed;p*_m;4ExK#h@&]>"
  2902. "_>@kXQtMacfD.m-VAb8;IReM3$wf0''hra*so568'Ip&vRs849'MRYSp%:t:h5qSgwpEr$B>Q,;s(C#$)`svQuF$##-D,##,g68@2[T;.XSdN9Qe)rpt._K-#5wF)sP'##p#C0c%-Gb%"
  2903. "hd+<-j'Ai*x&&HMkT]C'OSl##5RG[JXaHN;d'uA#x._U;.`PU@(Z3dt4r152@:v,'R.Sj'w#0<-;kPI)FfJ&#AYJ&#//)>-k=m=*XnK$>=)72L]0I%>.G690a:$##<,);?;72#?x9+d;"
  2904. "^V'9;jY@;)br#q^YQpx:X#Te$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:"
  2905. "+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%"
  2906. "9s<L<NFSo)B?+<-(GxsF,^-Eh@$4dXhN$+#rxK8'je'D7k`e;)2pYwPA'_p9&@^18ml1^[@g4t*[JOa*[=Qp7(qJ_oOL^('7fB&Hq-:sf,sNj8xq^>$U4O]GKx'm9)b@p7YsvK3w^YR-"
  2907. "CdQ*:Ir<($u&)#(&?L9Rg3H)4fiEp^iI9O8KnTj,]H?D*r7'M;PwZ9K0E^k&-cpI;.p/6_vwoFMV<->#%Xi.LxVnrU(4&8/P+:hLSKj$#U%]49t'I:rgMi'FL@a:0Y-uA[39',(vbma*"
  2908. "hU%<-SRF`Tt:542R_VV$p@[p8DV[A,?1839FWdF<TddF<9Ah-6&9tWoDlh]&1SpGMq>Ti1O*H&#(AL8[_P%.M>v^-))qOT*F5Cq0`Ye%+$B6i:7@0IX<N+T+0MlMBPQ*Vj>SsD<U4JHY"
  2909. "8kD2)2fU/M#$e.)T4,_=8hLim[&);?UkK'-x?'(:siIfL<$pFM`i<?%W(mGDHM%>iWP,##P`%/L<eXi:@Z9C.7o=@(pXdAO/NLQ8lPl+HPOQa8wD8=^GlPa8TKI1CjhsCTSLJM'/Wl>-"
  2910. "S(qw%sf/@%#B6;/U7K]uZbi^Oc^2n<bhPmUkMw>%t<)'mEVE''n`WnJra$^TKvX5B>;_aSEK',(hwa0:i4G?.Bci.(X[?b*($,=-n<.Q%`(X=?+@Am*Js0&=3bh8K]mL<LoNs'6,'85`"
  2911. "0?t/'_U59@]ddF<#LdF<eWdF<OuN/45rY<-L@&#+fm>69=Lb,OcZV/);TTm8VI;?%OtJ<(b4mq7M6:u?KRdF<gR@2L=FNU-<b[(9c/ML3m;Z[$oF3g)GAWqpARc=<ROu7cL5l;-[A]%/"
  2912. "+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"
  2913. "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"
  2914. "?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"
  2915. "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"
  2916. ">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-$.QN'>"
  2917. "[%$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"
  2918. "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#"
  2919. "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$"
  2920. "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)"
  2921. "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo"
  2922. "1*c-(aY168o<`JsSbk-,1N;$>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"
  2923. "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO"
  2924. "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#"
  2925. ";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&>"
  2926. "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#"
  2927. "d<F&#*;G##.GY##2Sl##6`($#:l:$#>xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4&#3^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4"
  2928. "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$C#+E6C#"
  2929. "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#"
  2930. "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#"
  2931. "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP"
  2932. "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
  2933. "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
  2934. static const char* GetDefaultCompressedFontDataTTFBase85()
  2935. {
  2936. return proggy_clean_ttf_compressed_data_base85;
  2937. }