imgui_draw.cpp (210871B)
1 // dear imgui, v1.83 2 // (drawing and font code) 3 4 /* 5 6 Index of this file: 7 8 // [SECTION] STB libraries implementation 9 // [SECTION] Style functions 10 // [SECTION] ImDrawList 11 // [SECTION] ImDrawListSplitter 12 // [SECTION] ImDrawData 13 // [SECTION] Helpers ShadeVertsXXX functions 14 // [SECTION] ImFontConfig 15 // [SECTION] ImFontAtlas 16 // [SECTION] ImFontAtlas glyph ranges helpers 17 // [SECTION] ImFontGlyphRangesBuilder 18 // [SECTION] ImFont 19 // [SECTION] ImGui Internal Render Helpers 20 // [SECTION] Decompression code 21 // [SECTION] Default font data (ProggyClean.ttf) 22 23 */ 24 25 #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) 26 #define _CRT_SECURE_NO_WARNINGS 27 #endif 28 29 #include "imgui.h" 30 #ifndef IMGUI_DISABLE 31 32 #ifndef IMGUI_DEFINE_MATH_OPERATORS 33 #define IMGUI_DEFINE_MATH_OPERATORS 34 #endif 35 36 #include "imgui_internal.h" 37 #ifdef IMGUI_ENABLE_FREETYPE 38 #include "misc/freetype/imgui_freetype.h" 39 #endif 40 41 #include <stdio.h> // vsnprintf, sscanf, printf 42 #if !defined(alloca) 43 #if defined(__GLIBC__) || defined(__sun) || defined(__APPLE__) || defined(__NEWLIB__) 44 #include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here) 45 #elif defined(_WIN32) 46 #include <malloc.h> // alloca 47 #if !defined(alloca) 48 #define alloca _alloca // for clang with MS Codegen 49 #endif 50 #else 51 #include <stdlib.h> // alloca 52 #endif 53 #endif 54 55 // Visual Studio warnings 56 #ifdef _MSC_VER 57 #pragma warning (disable: 4127) // condition expression is constant 58 #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) 59 #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen 60 #pragma warning (disable: 6255) // [Static Analyzer] _alloca indicates failure by raising a stack overflow exception. Consider using _malloca instead. 61 #pragma warning (disable: 26451) // [Static Analyzer] Arithmetic overflow : Using operator 'xxx' on a 4 byte value and then casting the result to a 8 byte value. Cast the value to the wider type before calling operator 'xxx' to avoid overflow(io.2). 62 #pragma warning (disable: 26812) // [Static Analyzer] The enum type 'xxx' is unscoped. Prefer 'enum class' over 'enum' (Enum.3). [MSVC Static Analyzer) 63 #endif 64 65 // Clang/GCC warnings with -Weverything 66 #if defined(__clang__) 67 #if __has_warning("-Wunknown-warning-option") 68 #pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx' // not all warnings are known by all Clang versions and they tend to be rename-happy.. so ignoring warnings triggers new warnings on some configuration. Great! 69 #endif 70 #if __has_warning("-Walloca") 71 #pragma clang diagnostic ignored "-Walloca" // warning: use of function '__builtin_alloca' is discouraged 72 #endif 73 #pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx' 74 #pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast // yes, they are more terse. 75 #pragma clang diagnostic ignored "-Wfloat-equal" // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants ok. 76 #pragma clang diagnostic ignored "-Wglobal-constructors" // warning: declaration requires a global destructor // similar to above, not sure what the exact difference is. 77 #pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness 78 #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning: zero as null pointer constant // some standard header variations use #define NULL 0 79 #pragma clang diagnostic ignored "-Wcomma" // warning: possible misuse of comma operator here 80 #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning: macro name is a reserved identifier 81 #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. 82 #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision 83 #elif defined(__GNUC__) 84 #pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind 85 #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used 86 #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function 87 #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value 88 #pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer 89 #pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead 90 #endif 91 92 //------------------------------------------------------------------------- 93 // [SECTION] STB libraries implementation 94 //------------------------------------------------------------------------- 95 96 // Compile time options: 97 //#define IMGUI_STB_NAMESPACE ImStb 98 //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h" 99 //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h" 100 //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION 101 //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION 102 103 #ifdef IMGUI_STB_NAMESPACE 104 namespace IMGUI_STB_NAMESPACE 105 { 106 #endif 107 108 #ifdef _MSC_VER 109 #pragma warning (push) 110 #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration 111 #pragma warning (disable: 6011) // (stb_rectpack) Dereferencing NULL pointer 'cur->next'. 112 #pragma warning (disable: 6385) // (stb_truetype) Reading invalid data from 'buffer': the readable size is '_Old_3`kernel_width' bytes, but '3' bytes may be read. 113 #pragma warning (disable: 28182) // (stb_rectpack) Dereferencing NULL pointer. 'cur' contains the same NULL value as 'cur->next' did. 114 #endif 115 116 #if defined(__clang__) 117 #pragma clang diagnostic push 118 #pragma clang diagnostic ignored "-Wunused-function" 119 #pragma clang diagnostic ignored "-Wmissing-prototypes" 120 #pragma clang diagnostic ignored "-Wimplicit-fallthrough" 121 #pragma clang diagnostic ignored "-Wcast-qual" // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier 122 #endif 123 124 #if defined(__GNUC__) 125 #pragma GCC diagnostic push 126 #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits] 127 #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers 128 #endif 129 130 #ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) 131 #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in another compilation unit 132 #define STBRP_STATIC 133 #define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0) 134 #define STBRP_SORT ImQsort 135 #define STB_RECT_PACK_IMPLEMENTATION 136 #endif 137 #ifdef IMGUI_STB_RECT_PACK_FILENAME 138 #include IMGUI_STB_RECT_PACK_FILENAME 139 #else 140 #include "imstb_rectpack.h" 141 #endif 142 #endif 143 144 #ifdef IMGUI_ENABLE_STB_TRUETYPE 145 #ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) 146 #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in another compilation unit 147 #define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x)) 148 #define STBTT_free(x,u) ((void)(u), IM_FREE(x)) 149 #define STBTT_assert(x) do { IM_ASSERT(x); } while(0) 150 #define STBTT_fmod(x,y) ImFmod(x,y) 151 #define STBTT_sqrt(x) ImSqrt(x) 152 #define STBTT_pow(x,y) ImPow(x,y) 153 #define STBTT_fabs(x) ImFabs(x) 154 #define STBTT_ifloor(x) ((int)ImFloorSigned(x)) 155 #define STBTT_iceil(x) ((int)ImCeil(x)) 156 #define STBTT_STATIC 157 #define STB_TRUETYPE_IMPLEMENTATION 158 #else 159 #define STBTT_DEF extern 160 #endif 161 #ifdef IMGUI_STB_TRUETYPE_FILENAME 162 #include IMGUI_STB_TRUETYPE_FILENAME 163 #else 164 #include "imstb_truetype.h" 165 #endif 166 #endif 167 #endif // IMGUI_ENABLE_STB_TRUETYPE 168 169 #if defined(__GNUC__) 170 #pragma GCC diagnostic pop 171 #endif 172 173 #if defined(__clang__) 174 #pragma clang diagnostic pop 175 #endif 176 177 #if defined(_MSC_VER) 178 #pragma warning (pop) 179 #endif 180 181 #ifdef IMGUI_STB_NAMESPACE 182 } // namespace ImStb 183 using namespace IMGUI_STB_NAMESPACE; 184 #endif 185 186 //----------------------------------------------------------------------------- 187 // [SECTION] Style functions 188 //----------------------------------------------------------------------------- 189 190 void ImGui::StyleColorsDark(ImGuiStyle* dst) 191 { 192 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); 193 ImVec4* colors = style->Colors; 194 195 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); 196 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f); 197 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f); 198 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 199 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f); 200 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f); 201 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 202 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f); 203 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 204 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 205 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f); 206 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f); 207 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f); 208 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f); 209 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f); 210 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f); 211 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f); 212 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f); 213 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 214 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f); 215 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 216 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 217 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 218 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); 219 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); 220 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); 221 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 222 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border]; 223 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f); 224 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f); 225 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.20f); 226 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 227 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); 228 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); 229 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; 230 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); 231 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); 232 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); 233 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f); 234 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); 235 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 236 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); 237 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f); 238 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f); // Prefer using Alpha=1.0 here 239 colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f); // Prefer using Alpha=1.0 here 240 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 241 colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f); 242 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); 243 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); 244 colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 245 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); 246 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); 247 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f); 248 } 249 250 void ImGui::StyleColorsClassic(ImGuiStyle* dst) 251 { 252 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); 253 ImVec4* colors = style->Colors; 254 255 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f); 256 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); 257 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.85f); 258 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 259 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f); 260 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f); 261 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 262 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f); 263 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f); 264 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f); 265 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f); 266 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f); 267 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f); 268 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f); 269 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f); 270 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f); 271 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f); 272 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); 273 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f); 274 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f); 275 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); 276 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f); 277 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f); 278 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f); 279 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f); 280 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f); 281 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f); 282 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f); 283 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f); 284 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f); 285 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f); 286 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f); 287 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f); 288 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); 289 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; 290 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); 291 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); 292 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); 293 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); 294 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 295 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 296 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); 297 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.27f, 0.27f, 0.38f, 1.00f); 298 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.45f, 1.00f); // Prefer using Alpha=1.0 here 299 colors[ImGuiCol_TableBorderLight] = ImVec4(0.26f, 0.26f, 0.28f, 1.00f); // Prefer using Alpha=1.0 here 300 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 301 colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f); 302 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f); 303 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); 304 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; 305 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); 306 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); 307 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); 308 } 309 310 // Those light colors are better suited with a thicker font than the default one + FrameBorder 311 void ImGui::StyleColorsLight(ImGuiStyle* dst) 312 { 313 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); 314 ImVec4* colors = style->Colors; 315 316 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); 317 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); 318 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f); 319 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 320 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f); 321 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f); 322 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 323 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); 324 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 325 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 326 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f); 327 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f); 328 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f); 329 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f); 330 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f); 331 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f); 332 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f); 333 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f); 334 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 335 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f); 336 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f); 337 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 338 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 339 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); 340 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); 341 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); 342 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 343 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f); 344 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f); 345 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f); 346 colors[ImGuiCol_ResizeGrip] = ImVec4(0.35f, 0.35f, 0.35f, 0.17f); 347 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 348 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); 349 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f); 350 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; 351 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); 352 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); 353 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); 354 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f); 355 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); 356 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 357 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f); 358 colors[ImGuiCol_TableHeaderBg] = ImVec4(0.78f, 0.87f, 0.98f, 1.00f); 359 colors[ImGuiCol_TableBorderStrong] = ImVec4(0.57f, 0.57f, 0.64f, 1.00f); // Prefer using Alpha=1.0 here 360 colors[ImGuiCol_TableBorderLight] = ImVec4(0.68f, 0.68f, 0.74f, 1.00f); // Prefer using Alpha=1.0 here 361 colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 362 colors[ImGuiCol_TableRowBgAlt] = ImVec4(0.30f, 0.30f, 0.30f, 0.09f); 363 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); 364 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); 365 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; 366 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f); 367 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f); 368 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); 369 } 370 371 //----------------------------------------------------------------------------- 372 // [SECTION] ImDrawList 373 //----------------------------------------------------------------------------- 374 375 ImDrawListSharedData::ImDrawListSharedData() 376 { 377 memset(this, 0, sizeof(*this)); 378 for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++) 379 { 380 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx); 381 ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a)); 382 } 383 ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError); 384 } 385 386 void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error) 387 { 388 if (CircleSegmentMaxError == max_error) 389 return; 390 391 IM_ASSERT(max_error > 0.0f); 392 CircleSegmentMaxError = max_error; 393 for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++) 394 { 395 const float radius = (float)i; 396 CircleSegmentCounts[i] = (ImU8)((i > 0) ? IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError) : 0); 397 } 398 ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError); 399 } 400 401 // Initialize before use in a new frame. We always have a command ready in the buffer. 402 void ImDrawList::_ResetForNewFrame() 403 { 404 // Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory. 405 // (those should be IM_STATIC_ASSERT() in theory but with our pre C++11 setup the whole check doesn't compile with GCC) 406 IM_ASSERT(IM_OFFSETOF(ImDrawCmd, ClipRect) == 0); 407 IM_ASSERT(IM_OFFSETOF(ImDrawCmd, TextureId) == sizeof(ImVec4)); 408 IM_ASSERT(IM_OFFSETOF(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID)); 409 410 CmdBuffer.resize(0); 411 IdxBuffer.resize(0); 412 VtxBuffer.resize(0); 413 Flags = _Data->InitialFlags; 414 memset(&_CmdHeader, 0, sizeof(_CmdHeader)); 415 _VtxCurrentIdx = 0; 416 _VtxWritePtr = NULL; 417 _IdxWritePtr = NULL; 418 _ClipRectStack.resize(0); 419 _TextureIdStack.resize(0); 420 _Path.resize(0); 421 _Splitter.Clear(); 422 CmdBuffer.push_back(ImDrawCmd()); 423 _FringeScale = 1.0f; 424 } 425 426 void ImDrawList::_ClearFreeMemory() 427 { 428 CmdBuffer.clear(); 429 IdxBuffer.clear(); 430 VtxBuffer.clear(); 431 Flags = ImDrawListFlags_None; 432 _VtxCurrentIdx = 0; 433 _VtxWritePtr = NULL; 434 _IdxWritePtr = NULL; 435 _ClipRectStack.clear(); 436 _TextureIdStack.clear(); 437 _Path.clear(); 438 _Splitter.ClearFreeMemory(); 439 } 440 441 ImDrawList* ImDrawList::CloneOutput() const 442 { 443 ImDrawList* dst = IM_NEW(ImDrawList(_Data)); 444 dst->CmdBuffer = CmdBuffer; 445 dst->IdxBuffer = IdxBuffer; 446 dst->VtxBuffer = VtxBuffer; 447 dst->Flags = Flags; 448 return dst; 449 } 450 451 void ImDrawList::AddDrawCmd() 452 { 453 ImDrawCmd draw_cmd; 454 draw_cmd.ClipRect = _CmdHeader.ClipRect; // Same as calling ImDrawCmd_HeaderCopy() 455 draw_cmd.TextureId = _CmdHeader.TextureId; 456 draw_cmd.VtxOffset = _CmdHeader.VtxOffset; 457 draw_cmd.IdxOffset = IdxBuffer.Size; 458 459 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w); 460 CmdBuffer.push_back(draw_cmd); 461 } 462 463 // Pop trailing draw command (used before merging or presenting to user) 464 // Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL 465 void ImDrawList::_PopUnusedDrawCmd() 466 { 467 if (CmdBuffer.Size == 0) 468 return; 469 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 470 if (curr_cmd->ElemCount == 0 && curr_cmd->UserCallback == NULL) 471 CmdBuffer.pop_back(); 472 } 473 474 void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data) 475 { 476 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 477 IM_ASSERT(curr_cmd->UserCallback == NULL); 478 if (curr_cmd->ElemCount != 0) 479 { 480 AddDrawCmd(); 481 curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 482 } 483 curr_cmd->UserCallback = callback; 484 curr_cmd->UserCallbackData = callback_data; 485 486 AddDrawCmd(); // Force a new command after us (see comment below) 487 } 488 489 // Compare ClipRect, TextureId and VtxOffset with a single memcmp() 490 #define ImDrawCmd_HeaderSize (IM_OFFSETOF(ImDrawCmd, VtxOffset) + sizeof(unsigned int)) 491 #define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TextureId, VtxOffset 492 #define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TextureId, VtxOffset 493 494 // 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. 495 // 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. 496 void ImDrawList::_OnChangedClipRect() 497 { 498 // If current command is used with different settings we need to add a new command 499 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 500 if (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &_CmdHeader.ClipRect, sizeof(ImVec4)) != 0) 501 { 502 AddDrawCmd(); 503 return; 504 } 505 IM_ASSERT(curr_cmd->UserCallback == NULL); 506 507 // Try to merge with previous command if it matches, else use current command 508 ImDrawCmd* prev_cmd = curr_cmd - 1; 509 if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && prev_cmd->UserCallback == NULL) 510 { 511 CmdBuffer.pop_back(); 512 return; 513 } 514 515 curr_cmd->ClipRect = _CmdHeader.ClipRect; 516 } 517 518 void ImDrawList::_OnChangedTextureID() 519 { 520 // If current command is used with different settings we need to add a new command 521 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 522 if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId) 523 { 524 AddDrawCmd(); 525 return; 526 } 527 IM_ASSERT(curr_cmd->UserCallback == NULL); 528 529 // Try to merge with previous command if it matches, else use current command 530 ImDrawCmd* prev_cmd = curr_cmd - 1; 531 if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && prev_cmd->UserCallback == NULL) 532 { 533 CmdBuffer.pop_back(); 534 return; 535 } 536 537 curr_cmd->TextureId = _CmdHeader.TextureId; 538 } 539 540 void ImDrawList::_OnChangedVtxOffset() 541 { 542 // We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this. 543 _VtxCurrentIdx = 0; 544 ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 545 //IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349 546 if (curr_cmd->ElemCount != 0) 547 { 548 AddDrawCmd(); 549 return; 550 } 551 IM_ASSERT(curr_cmd->UserCallback == NULL); 552 curr_cmd->VtxOffset = _CmdHeader.VtxOffset; 553 } 554 555 int ImDrawList::_CalcCircleAutoSegmentCount(float radius) const 556 { 557 // Automatic segment count 558 const int radius_idx = (int)(radius + 0.999999f); // ceil to never reduce accuracy 559 if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) 560 return _Data->CircleSegmentCounts[radius_idx]; // Use cached value 561 else 562 return IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); 563 } 564 565 // 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) 566 void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect) 567 { 568 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y); 569 if (intersect_with_current_clip_rect) 570 { 571 ImVec4 current = _CmdHeader.ClipRect; 572 if (cr.x < current.x) cr.x = current.x; 573 if (cr.y < current.y) cr.y = current.y; 574 if (cr.z > current.z) cr.z = current.z; 575 if (cr.w > current.w) cr.w = current.w; 576 } 577 cr.z = ImMax(cr.x, cr.z); 578 cr.w = ImMax(cr.y, cr.w); 579 580 _ClipRectStack.push_back(cr); 581 _CmdHeader.ClipRect = cr; 582 _OnChangedClipRect(); 583 } 584 585 void ImDrawList::PushClipRectFullScreen() 586 { 587 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w)); 588 } 589 590 void ImDrawList::PopClipRect() 591 { 592 _ClipRectStack.pop_back(); 593 _CmdHeader.ClipRect = (_ClipRectStack.Size == 0) ? _Data->ClipRectFullscreen : _ClipRectStack.Data[_ClipRectStack.Size - 1]; 594 _OnChangedClipRect(); 595 } 596 597 void ImDrawList::PushTextureID(ImTextureID texture_id) 598 { 599 _TextureIdStack.push_back(texture_id); 600 _CmdHeader.TextureId = texture_id; 601 _OnChangedTextureID(); 602 } 603 604 void ImDrawList::PopTextureID() 605 { 606 _TextureIdStack.pop_back(); 607 _CmdHeader.TextureId = (_TextureIdStack.Size == 0) ? (ImTextureID)NULL : _TextureIdStack.Data[_TextureIdStack.Size - 1]; 608 _OnChangedTextureID(); 609 } 610 611 // Reserve space for a number of vertices and indices. 612 // You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or 613 // submit the intermediate results. PrimUnreserve() can be used to release unused allocations. 614 void ImDrawList::PrimReserve(int idx_count, int vtx_count) 615 { 616 // Large mesh support (when enabled) 617 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); 618 if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset)) 619 { 620 // FIXME: In theory we should be testing that vtx_count <64k here. 621 // In practice, RenderText() relies on reserving ahead for a worst case scenario so it is currently useful for us 622 // to not make that check until we rework the text functions to handle clipping and large horizontal lines better. 623 _CmdHeader.VtxOffset = VtxBuffer.Size; 624 _OnChangedVtxOffset(); 625 } 626 627 ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 628 draw_cmd->ElemCount += idx_count; 629 630 int vtx_buffer_old_size = VtxBuffer.Size; 631 VtxBuffer.resize(vtx_buffer_old_size + vtx_count); 632 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size; 633 634 int idx_buffer_old_size = IdxBuffer.Size; 635 IdxBuffer.resize(idx_buffer_old_size + idx_count); 636 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size; 637 } 638 639 // Release the a number of reserved vertices/indices from the end of the last reservation made with PrimReserve(). 640 void ImDrawList::PrimUnreserve(int idx_count, int vtx_count) 641 { 642 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); 643 644 ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; 645 draw_cmd->ElemCount -= idx_count; 646 VtxBuffer.shrink(VtxBuffer.Size - vtx_count); 647 IdxBuffer.shrink(IdxBuffer.Size - idx_count); 648 } 649 650 // Fully unrolled with inline call to keep our debug builds decently fast. 651 void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col) 652 { 653 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel); 654 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; 655 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); 656 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); 657 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; 658 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; 659 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; 660 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; 661 _VtxWritePtr += 4; 662 _VtxCurrentIdx += 4; 663 _IdxWritePtr += 6; 664 } 665 666 void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col) 667 { 668 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); 669 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; 670 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); 671 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); 672 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; 673 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; 674 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; 675 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; 676 _VtxWritePtr += 4; 677 _VtxCurrentIdx += 4; 678 _IdxWritePtr += 6; 679 } 680 681 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) 682 { 683 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; 684 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); 685 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); 686 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; 687 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; 688 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; 689 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; 690 _VtxWritePtr += 4; 691 _VtxCurrentIdx += 4; 692 _IdxWritePtr += 6; 693 } 694 695 // On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superfluous function calls to optimize debug/non-inlined builds. 696 // Those macros expects l-values. 697 #define IM_NORMALIZE2F_OVER_ZERO(VX,VY) do { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = ImRsqrt(d2); VX *= inv_len; VY *= inv_len; } } while (0) 698 #define IM_FIXNORMAL2F_MAX_INVLEN2 100.0f // 500.0f (see #4053, #3366) 699 #define IM_FIXNORMAL2F(VX,VY) do { float d2 = VX*VX + VY*VY; if (d2 > 0.000001f) { float inv_len2 = 1.0f / d2; if (inv_len2 > IM_FIXNORMAL2F_MAX_INVLEN2) inv_len2 = IM_FIXNORMAL2F_MAX_INVLEN2; VX *= inv_len2; VY *= inv_len2; } } while (0) 700 701 // TODO: Thickness anti-aliased lines cap are missing their AA fringe. 702 // We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds. 703 void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, ImDrawFlags flags, float thickness) 704 { 705 if (points_count < 2) 706 return; 707 708 const bool closed = (flags & ImDrawFlags_Closed) != 0; 709 const ImVec2 opaque_uv = _Data->TexUvWhitePixel; 710 const int count = closed ? points_count : points_count - 1; // The number of line segments we need to draw 711 const bool thick_line = (thickness > _FringeScale); 712 713 if (Flags & ImDrawListFlags_AntiAliasedLines) 714 { 715 // Anti-aliased stroke 716 const float AA_SIZE = _FringeScale; 717 const ImU32 col_trans = col & ~IM_COL32_A_MASK; 718 719 // Thicknesses <1.0 should behave like thickness 1.0 720 thickness = ImMax(thickness, 1.0f); 721 const int integer_thickness = (int)thickness; 722 const float fractional_thickness = thickness - integer_thickness; 723 724 // Do we want to draw this line using a texture? 725 // - For now, only draw integer-width lines using textures to avoid issues with the way scaling occurs, could be improved. 726 // - If AA_SIZE is not 1.0f we cannot use the texture path. 727 const bool use_texture = (Flags & ImDrawListFlags_AntiAliasedLinesUseTex) && (integer_thickness < IM_DRAWLIST_TEX_LINES_WIDTH_MAX) && (fractional_thickness <= 0.00001f) && (AA_SIZE == 1.0f); 728 729 // We should never hit this, because NewFrame() doesn't set ImDrawListFlags_AntiAliasedLinesUseTex unless ImFontAtlasFlags_NoBakedLines is off 730 IM_ASSERT_PARANOID(!use_texture || !(_Data->Font->ContainerAtlas->Flags & ImFontAtlasFlags_NoBakedLines)); 731 732 const int idx_count = use_texture ? (count * 6) : (thick_line ? count * 18 : count * 12); 733 const int vtx_count = use_texture ? (points_count * 2) : (thick_line ? points_count * 4 : points_count * 3); 734 PrimReserve(idx_count, vtx_count); 735 736 // Temporary buffer 737 // The first <points_count> items are normals at each line point, then after that there are either 2 or 4 temp points for each line point 738 ImVec2* temp_normals = (ImVec2*)alloca(points_count * ((use_texture || !thick_line) ? 3 : 5) * sizeof(ImVec2)); //-V630 739 ImVec2* temp_points = temp_normals + points_count; 740 741 // Calculate normals (tangents) for each line segment 742 for (int i1 = 0; i1 < count; i1++) 743 { 744 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; 745 float dx = points[i2].x - points[i1].x; 746 float dy = points[i2].y - points[i1].y; 747 IM_NORMALIZE2F_OVER_ZERO(dx, dy); 748 temp_normals[i1].x = dy; 749 temp_normals[i1].y = -dx; 750 } 751 if (!closed) 752 temp_normals[points_count - 1] = temp_normals[points_count - 2]; 753 754 // If we are drawing a one-pixel-wide line without a texture, or a textured line of any width, we only need 2 or 3 vertices per point 755 if (use_texture || !thick_line) 756 { 757 // [PATH 1] Texture-based lines (thick or non-thick) 758 // [PATH 2] Non texture-based lines (non-thick) 759 760 // The width of the geometry we need to draw - this is essentially <thickness> pixels for the line itself, plus "one pixel" for AA. 761 // - In the texture-based path, we don't use AA_SIZE here because the +1 is tied to the generated texture 762 // (see ImFontAtlasBuildRenderLinesTexData() function), and so alternate values won't work without changes to that code. 763 // - In the non texture-based paths, we would allow AA_SIZE to potentially be != 1.0f with a patch (e.g. fringe_scale patch to 764 // allow scaling geometry while preserving one-screen-pixel AA fringe). 765 const float half_draw_size = use_texture ? ((thickness * 0.5f) + 1) : AA_SIZE; 766 767 // If line is not closed, the first and last points need to be generated differently as there are no normals to blend 768 if (!closed) 769 { 770 temp_points[0] = points[0] + temp_normals[0] * half_draw_size; 771 temp_points[1] = points[0] - temp_normals[0] * half_draw_size; 772 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * half_draw_size; 773 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * half_draw_size; 774 } 775 776 // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges 777 // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps) 778 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. 779 unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment 780 for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment 781 { 782 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; // i2 is the second point of the line segment 783 const unsigned int idx2 = ((i1 + 1) == points_count) ? _VtxCurrentIdx : (idx1 + (use_texture ? 2 : 3)); // Vertex index for end of segment 784 785 // Average normals 786 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; 787 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; 788 IM_FIXNORMAL2F(dm_x, dm_y); 789 dm_x *= half_draw_size; // dm_x, dm_y are offset to the outer edge of the AA area 790 dm_y *= half_draw_size; 791 792 // Add temporary vertexes for the outer edges 793 ImVec2* out_vtx = &temp_points[i2 * 2]; 794 out_vtx[0].x = points[i2].x + dm_x; 795 out_vtx[0].y = points[i2].y + dm_y; 796 out_vtx[1].x = points[i2].x - dm_x; 797 out_vtx[1].y = points[i2].y - dm_y; 798 799 if (use_texture) 800 { 801 // Add indices for two triangles 802 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 1); // Right tri 803 _IdxWritePtr[3] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[4] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Left tri 804 _IdxWritePtr += 6; 805 } 806 else 807 { 808 // Add indexes for four triangles 809 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); // Right tri 1 810 _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Right tri 2 811 _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); // Left tri 1 812 _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); // Left tri 2 813 _IdxWritePtr += 12; 814 } 815 816 idx1 = idx2; 817 } 818 819 // Add vertexes for each point on the line 820 if (use_texture) 821 { 822 // If we're using textures we only need to emit the left/right edge vertices 823 ImVec4 tex_uvs = _Data->TexUvLines[integer_thickness]; 824 /*if (fractional_thickness != 0.0f) // Currently always zero when use_texture==false! 825 { 826 const ImVec4 tex_uvs_1 = _Data->TexUvLines[integer_thickness + 1]; 827 tex_uvs.x = tex_uvs.x + (tex_uvs_1.x - tex_uvs.x) * fractional_thickness; // inlined ImLerp() 828 tex_uvs.y = tex_uvs.y + (tex_uvs_1.y - tex_uvs.y) * fractional_thickness; 829 tex_uvs.z = tex_uvs.z + (tex_uvs_1.z - tex_uvs.z) * fractional_thickness; 830 tex_uvs.w = tex_uvs.w + (tex_uvs_1.w - tex_uvs.w) * fractional_thickness; 831 }*/ 832 ImVec2 tex_uv0(tex_uvs.x, tex_uvs.y); 833 ImVec2 tex_uv1(tex_uvs.z, tex_uvs.w); 834 for (int i = 0; i < points_count; i++) 835 { 836 _VtxWritePtr[0].pos = temp_points[i * 2 + 0]; _VtxWritePtr[0].uv = tex_uv0; _VtxWritePtr[0].col = col; // Left-side outer edge 837 _VtxWritePtr[1].pos = temp_points[i * 2 + 1]; _VtxWritePtr[1].uv = tex_uv1; _VtxWritePtr[1].col = col; // Right-side outer edge 838 _VtxWritePtr += 2; 839 } 840 } 841 else 842 { 843 // If we're not using a texture, we need the center vertex as well 844 for (int i = 0; i < points_count; i++) 845 { 846 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; // Center of line 847 _VtxWritePtr[1].pos = temp_points[i * 2 + 0]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col_trans; // Left-side outer edge 848 _VtxWritePtr[2].pos = temp_points[i * 2 + 1]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col_trans; // Right-side outer edge 849 _VtxWritePtr += 3; 850 } 851 } 852 } 853 else 854 { 855 // [PATH 2] Non texture-based lines (thick): we need to draw the solid line core and thus require four vertices per point 856 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f; 857 858 // If line is not closed, the first and last points need to be generated differently as there are no normals to blend 859 if (!closed) 860 { 861 const int points_last = points_count - 1; 862 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE); 863 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness); 864 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness); 865 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE); 866 temp_points[points_last * 4 + 0] = points[points_last] + temp_normals[points_last] * (half_inner_thickness + AA_SIZE); 867 temp_points[points_last * 4 + 1] = points[points_last] + temp_normals[points_last] * (half_inner_thickness); 868 temp_points[points_last * 4 + 2] = points[points_last] - temp_normals[points_last] * (half_inner_thickness); 869 temp_points[points_last * 4 + 3] = points[points_last] - temp_normals[points_last] * (half_inner_thickness + AA_SIZE); 870 } 871 872 // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges 873 // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps) 874 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. 875 unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment 876 for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment 877 { 878 const int i2 = (i1 + 1) == points_count ? 0 : (i1 + 1); // i2 is the second point of the line segment 879 const unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : (idx1 + 4); // Vertex index for end of segment 880 881 // Average normals 882 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; 883 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; 884 IM_FIXNORMAL2F(dm_x, dm_y); 885 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE); 886 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE); 887 float dm_in_x = dm_x * half_inner_thickness; 888 float dm_in_y = dm_y * half_inner_thickness; 889 890 // Add temporary vertices 891 ImVec2* out_vtx = &temp_points[i2 * 4]; 892 out_vtx[0].x = points[i2].x + dm_out_x; 893 out_vtx[0].y = points[i2].y + dm_out_y; 894 out_vtx[1].x = points[i2].x + dm_in_x; 895 out_vtx[1].y = points[i2].y + dm_in_y; 896 out_vtx[2].x = points[i2].x - dm_in_x; 897 out_vtx[2].y = points[i2].y - dm_in_y; 898 out_vtx[3].x = points[i2].x - dm_out_x; 899 out_vtx[3].y = points[i2].y - dm_out_y; 900 901 // Add indexes 902 _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); 903 _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 1); 904 _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); 905 _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); 906 _IdxWritePtr[12] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[13] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[14] = (ImDrawIdx)(idx1 + 3); 907 _IdxWritePtr[15] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[16] = (ImDrawIdx)(idx2 + 3); _IdxWritePtr[17] = (ImDrawIdx)(idx2 + 2); 908 _IdxWritePtr += 18; 909 910 idx1 = idx2; 911 } 912 913 // Add vertices 914 for (int i = 0; i < points_count; i++) 915 { 916 _VtxWritePtr[0].pos = temp_points[i * 4 + 0]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col_trans; 917 _VtxWritePtr[1].pos = temp_points[i * 4 + 1]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; 918 _VtxWritePtr[2].pos = temp_points[i * 4 + 2]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; 919 _VtxWritePtr[3].pos = temp_points[i * 4 + 3]; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col_trans; 920 _VtxWritePtr += 4; 921 } 922 } 923 _VtxCurrentIdx += (ImDrawIdx)vtx_count; 924 } 925 else 926 { 927 // [PATH 4] Non texture-based, Non anti-aliased lines 928 const int idx_count = count * 6; 929 const int vtx_count = count * 4; // FIXME-OPT: Not sharing edges 930 PrimReserve(idx_count, vtx_count); 931 932 for (int i1 = 0; i1 < count; i1++) 933 { 934 const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; 935 const ImVec2& p1 = points[i1]; 936 const ImVec2& p2 = points[i2]; 937 938 float dx = p2.x - p1.x; 939 float dy = p2.y - p1.y; 940 IM_NORMALIZE2F_OVER_ZERO(dx, dy); 941 dx *= (thickness * 0.5f); 942 dy *= (thickness * 0.5f); 943 944 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; 945 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; 946 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; 947 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col; 948 _VtxWritePtr += 4; 949 950 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + 2); 951 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx + 3); 952 _IdxWritePtr += 6; 953 _VtxCurrentIdx += 4; 954 } 955 } 956 } 957 958 // We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds. 959 void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col) 960 { 961 if (points_count < 3) 962 return; 963 964 const ImVec2 uv = _Data->TexUvWhitePixel; 965 966 if (Flags & ImDrawListFlags_AntiAliasedFill) 967 { 968 // Anti-aliased Fill 969 const float AA_SIZE = _FringeScale; 970 const ImU32 col_trans = col & ~IM_COL32_A_MASK; 971 const int idx_count = (points_count - 2)*3 + points_count * 6; 972 const int vtx_count = (points_count * 2); 973 PrimReserve(idx_count, vtx_count); 974 975 // Add indexes for fill 976 unsigned int vtx_inner_idx = _VtxCurrentIdx; 977 unsigned int vtx_outer_idx = _VtxCurrentIdx + 1; 978 for (int i = 2; i < points_count; i++) 979 { 980 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + ((i - 1) << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (i << 1)); 981 _IdxWritePtr += 3; 982 } 983 984 // Compute normals 985 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630 986 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) 987 { 988 const ImVec2& p0 = points[i0]; 989 const ImVec2& p1 = points[i1]; 990 float dx = p1.x - p0.x; 991 float dy = p1.y - p0.y; 992 IM_NORMALIZE2F_OVER_ZERO(dx, dy); 993 temp_normals[i0].x = dy; 994 temp_normals[i0].y = -dx; 995 } 996 997 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) 998 { 999 // Average normals 1000 const ImVec2& n0 = temp_normals[i0]; 1001 const ImVec2& n1 = temp_normals[i1]; 1002 float dm_x = (n0.x + n1.x) * 0.5f; 1003 float dm_y = (n0.y + n1.y) * 0.5f; 1004 IM_FIXNORMAL2F(dm_x, dm_y); 1005 dm_x *= AA_SIZE * 0.5f; 1006 dm_y *= AA_SIZE * 0.5f; 1007 1008 // Add vertices 1009 _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 1010 _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 1011 _VtxWritePtr += 2; 1012 1013 // Add indexes for fringes 1014 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); 1015 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); 1016 _IdxWritePtr += 6; 1017 } 1018 _VtxCurrentIdx += (ImDrawIdx)vtx_count; 1019 } 1020 else 1021 { 1022 // Non Anti-aliased Fill 1023 const int idx_count = (points_count - 2)*3; 1024 const int vtx_count = points_count; 1025 PrimReserve(idx_count, vtx_count); 1026 for (int i = 0; i < vtx_count; i++) 1027 { 1028 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; 1029 _VtxWritePtr++; 1030 } 1031 for (int i = 2; i < points_count; i++) 1032 { 1033 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + i - 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + i); 1034 _IdxWritePtr += 3; 1035 } 1036 _VtxCurrentIdx += (ImDrawIdx)vtx_count; 1037 } 1038 } 1039 1040 void ImDrawList::_PathArcToFastEx(const ImVec2& center, float radius, int a_min_sample, int a_max_sample, int a_step) 1041 { 1042 if (radius <= 0.0f) 1043 { 1044 _Path.push_back(center); 1045 return; 1046 } 1047 1048 // Calculate arc auto segment step size 1049 if (a_step <= 0) 1050 a_step = IM_DRAWLIST_ARCFAST_SAMPLE_MAX / _CalcCircleAutoSegmentCount(radius); 1051 1052 // Make sure we never do steps larger than one quarter of the circle 1053 a_step = ImClamp(a_step, 1, IM_DRAWLIST_ARCFAST_TABLE_SIZE / 4); 1054 1055 const int sample_range = ImAbs(a_max_sample - a_min_sample); 1056 const int a_next_step = a_step; 1057 1058 int samples = sample_range + 1; 1059 bool extra_max_sample = false; 1060 if (a_step > 1) 1061 { 1062 samples = sample_range / a_step + 1; 1063 const int overstep = sample_range % a_step; 1064 1065 if (overstep > 0) 1066 { 1067 extra_max_sample = true; 1068 samples++; 1069 1070 // When we have overstep to avoid awkwardly looking one long line and one tiny one at the end, 1071 // distribute first step range evenly between them by reducing first step size. 1072 if (sample_range > 0) 1073 a_step -= (a_step - overstep) / 2; 1074 } 1075 } 1076 1077 _Path.resize(_Path.Size + samples); 1078 ImVec2* out_ptr = _Path.Data + (_Path.Size - samples); 1079 1080 int sample_index = a_min_sample; 1081 if (sample_index < 0 || sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX) 1082 { 1083 sample_index = sample_index % IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1084 if (sample_index < 0) 1085 sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1086 } 1087 1088 if (a_max_sample >= a_min_sample) 1089 { 1090 for (int a = a_min_sample; a <= a_max_sample; a += a_step, sample_index += a_step, a_step = a_next_step) 1091 { 1092 // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more 1093 if (sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX) 1094 sample_index -= IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1095 1096 const ImVec2 s = _Data->ArcFastVtx[sample_index]; 1097 out_ptr->x = center.x + s.x * radius; 1098 out_ptr->y = center.y + s.y * radius; 1099 out_ptr++; 1100 } 1101 } 1102 else 1103 { 1104 for (int a = a_min_sample; a >= a_max_sample; a -= a_step, sample_index -= a_step, a_step = a_next_step) 1105 { 1106 // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more 1107 if (sample_index < 0) 1108 sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1109 1110 const ImVec2 s = _Data->ArcFastVtx[sample_index]; 1111 out_ptr->x = center.x + s.x * radius; 1112 out_ptr->y = center.y + s.y * radius; 1113 out_ptr++; 1114 } 1115 } 1116 1117 if (extra_max_sample) 1118 { 1119 int normalized_max_sample = a_max_sample % IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1120 if (normalized_max_sample < 0) 1121 normalized_max_sample += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1122 1123 const ImVec2 s = _Data->ArcFastVtx[normalized_max_sample]; 1124 out_ptr->x = center.x + s.x * radius; 1125 out_ptr->y = center.y + s.y * radius; 1126 out_ptr++; 1127 } 1128 1129 IM_ASSERT_PARANOID(_Path.Data + _Path.Size == out_ptr); 1130 } 1131 1132 void ImDrawList::_PathArcToN(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) 1133 { 1134 if (radius <= 0.0f) 1135 { 1136 _Path.push_back(center); 1137 return; 1138 } 1139 1140 // Note that we are adding a point at both a_min and a_max. 1141 // If you are trying to draw a full closed circle you don't want the overlapping points! 1142 _Path.reserve(_Path.Size + (num_segments + 1)); 1143 for (int i = 0; i <= num_segments; i++) 1144 { 1145 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); 1146 _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius)); 1147 } 1148 } 1149 1150 // 0: East, 3: South, 6: West, 9: North, 12: East 1151 void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12) 1152 { 1153 if (radius <= 0.0f) 1154 { 1155 _Path.push_back(center); 1156 return; 1157 } 1158 _PathArcToFastEx(center, radius, a_min_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, a_max_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, 0); 1159 } 1160 1161 void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) 1162 { 1163 if (radius <= 0.0f) 1164 { 1165 _Path.push_back(center); 1166 return; 1167 } 1168 1169 if (num_segments > 0) 1170 { 1171 _PathArcToN(center, radius, a_min, a_max, num_segments); 1172 return; 1173 } 1174 1175 // Automatic segment count 1176 if (radius <= _Data->ArcFastRadiusCutoff) 1177 { 1178 const bool a_is_reverse = a_max < a_min; 1179 1180 // We are going to use precomputed values for mid samples. 1181 // Determine first and last sample in lookup table that belong to the arc. 1182 const float a_min_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_min / (IM_PI * 2.0f); 1183 const float a_max_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_max / (IM_PI * 2.0f); 1184 1185 const int a_min_sample = a_is_reverse ? (int)ImFloorSigned(a_min_sample_f) : (int)ImCeil(a_min_sample_f); 1186 const int a_max_sample = a_is_reverse ? (int)ImCeil(a_max_sample_f) : (int)ImFloorSigned(a_max_sample_f); 1187 const int a_mid_samples = a_is_reverse ? ImMax(a_min_sample - a_max_sample, 0) : ImMax(a_max_sample - a_min_sample, 0); 1188 1189 const float a_min_segment_angle = a_min_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1190 const float a_max_segment_angle = a_max_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX; 1191 const bool a_emit_start = (a_min_segment_angle - a_min) != 0.0f; 1192 const bool a_emit_end = (a_max - a_max_segment_angle) != 0.0f; 1193 1194 _Path.reserve(_Path.Size + (a_mid_samples + 1 + (a_emit_start ? 1 : 0) + (a_emit_end ? 1 : 0))); 1195 if (a_emit_start) 1196 _Path.push_back(ImVec2(center.x + ImCos(a_min) * radius, center.y + ImSin(a_min) * radius)); 1197 if (a_mid_samples > 0) 1198 _PathArcToFastEx(center, radius, a_min_sample, a_max_sample, 0); 1199 if (a_emit_end) 1200 _Path.push_back(ImVec2(center.x + ImCos(a_max) * radius, center.y + ImSin(a_max) * radius)); 1201 } 1202 else 1203 { 1204 const float arc_length = ImAbs(a_max - a_min); 1205 const int circle_segment_count = _CalcCircleAutoSegmentCount(radius); 1206 const int arc_segment_count = ImMax((int)ImCeil(circle_segment_count * arc_length / (IM_PI * 2.0f)), (int)(2.0f * IM_PI / arc_length)); 1207 _PathArcToN(center, radius, a_min, a_max, arc_segment_count); 1208 } 1209 } 1210 1211 ImVec2 ImBezierCubicCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t) 1212 { 1213 float u = 1.0f - t; 1214 float w1 = u * u * u; 1215 float w2 = 3 * u * u * t; 1216 float w3 = 3 * u * t * t; 1217 float w4 = t * t * t; 1218 return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x, w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y); 1219 } 1220 1221 ImVec2 ImBezierQuadraticCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, float t) 1222 { 1223 float u = 1.0f - t; 1224 float w1 = u * u; 1225 float w2 = 2 * u * t; 1226 float w3 = t * t; 1227 return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x, w1 * p1.y + w2 * p2.y + w3 * p3.y); 1228 } 1229 1230 // Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp 1231 static void PathBezierCubicCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level) 1232 { 1233 float dx = x4 - x1; 1234 float dy = y4 - y1; 1235 float d2 = (x2 - x4) * dy - (y2 - y4) * dx; 1236 float d3 = (x3 - x4) * dy - (y3 - y4) * dx; 1237 d2 = (d2 >= 0) ? d2 : -d2; 1238 d3 = (d3 >= 0) ? d3 : -d3; 1239 if ((d2 + d3) * (d2 + d3) < tess_tol * (dx * dx + dy * dy)) 1240 { 1241 path->push_back(ImVec2(x4, y4)); 1242 } 1243 else if (level < 10) 1244 { 1245 float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f; 1246 float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f; 1247 float x34 = (x3 + x4) * 0.5f, y34 = (y3 + y4) * 0.5f; 1248 float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f; 1249 float x234 = (x23 + x34) * 0.5f, y234 = (y23 + y34) * 0.5f; 1250 float x1234 = (x123 + x234) * 0.5f, y1234 = (y123 + y234) * 0.5f; 1251 PathBezierCubicCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, x1234, y1234, tess_tol, level + 1); 1252 PathBezierCubicCurveToCasteljau(path, x1234, y1234, x234, y234, x34, y34, x4, y4, tess_tol, level + 1); 1253 } 1254 } 1255 1256 static void PathBezierQuadraticCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float tess_tol, int level) 1257 { 1258 float dx = x3 - x1, dy = y3 - y1; 1259 float det = (x2 - x3) * dy - (y2 - y3) * dx; 1260 if (det * det * 4.0f < tess_tol * (dx * dx + dy * dy)) 1261 { 1262 path->push_back(ImVec2(x3, y3)); 1263 } 1264 else if (level < 10) 1265 { 1266 float x12 = (x1 + x2) * 0.5f, y12 = (y1 + y2) * 0.5f; 1267 float x23 = (x2 + x3) * 0.5f, y23 = (y2 + y3) * 0.5f; 1268 float x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f; 1269 PathBezierQuadraticCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, tess_tol, level + 1); 1270 PathBezierQuadraticCurveToCasteljau(path, x123, y123, x23, y23, x3, y3, tess_tol, level + 1); 1271 } 1272 } 1273 1274 void ImDrawList::PathBezierCubicCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments) 1275 { 1276 ImVec2 p1 = _Path.back(); 1277 if (num_segments == 0) 1278 { 1279 PathBezierCubicCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated 1280 } 1281 else 1282 { 1283 float t_step = 1.0f / (float)num_segments; 1284 for (int i_step = 1; i_step <= num_segments; i_step++) 1285 _Path.push_back(ImBezierCubicCalc(p1, p2, p3, p4, t_step * i_step)); 1286 } 1287 } 1288 1289 void ImDrawList::PathBezierQuadraticCurveTo(const ImVec2& p2, const ImVec2& p3, int num_segments) 1290 { 1291 ImVec2 p1 = _Path.back(); 1292 if (num_segments == 0) 1293 { 1294 PathBezierQuadraticCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, _Data->CurveTessellationTol, 0);// Auto-tessellated 1295 } 1296 else 1297 { 1298 float t_step = 1.0f / (float)num_segments; 1299 for (int i_step = 1; i_step <= num_segments; i_step++) 1300 _Path.push_back(ImBezierQuadraticCalc(p1, p2, p3, t_step * i_step)); 1301 } 1302 } 1303 1304 IM_STATIC_ASSERT(ImDrawFlags_RoundCornersTopLeft == (1 << 4)); 1305 static inline ImDrawFlags FixRectCornerFlags(ImDrawFlags flags) 1306 { 1307 #ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS 1308 // Legacy Support for hard coded ~0 (used to be a suggested equivalent to ImDrawCornerFlags_All) 1309 // ~0 --> ImDrawFlags_RoundCornersAll or 0 1310 if (flags == ~0) 1311 return ImDrawFlags_RoundCornersAll; 1312 1313 // Legacy Support for hard coded 0x01 to 0x0F (matching 15 out of 16 old flags combinations) 1314 // 0x01 --> ImDrawFlags_RoundCornersTopLeft (VALUE 0x01 OVERLAPS ImDrawFlags_Closed but ImDrawFlags_Closed is never valid in this path!) 1315 // 0x02 --> ImDrawFlags_RoundCornersTopRight 1316 // 0x03 --> ImDrawFlags_RoundCornersTopLeft | ImDrawFlags_RoundCornersTopRight 1317 // 0x04 --> ImDrawFlags_RoundCornersBotLeft 1318 // 0x05 --> ImDrawFlags_RoundCornersTopLeft | ImDrawFlags_RoundCornersBotLeft 1319 // ... 1320 // 0x0F --> ImDrawFlags_RoundCornersAll or 0 1321 // (See all values in ImDrawCornerFlags_) 1322 if (flags >= 0x01 && flags <= 0x0F) 1323 return (flags << 4); 1324 1325 // We cannot support hard coded 0x00 with 'float rounding > 0.0f' --> replace with ImDrawFlags_RoundCornersNone or use 'float rounding = 0.0f' 1326 #endif 1327 1328 // If this triggers, please update your code replacing hardcoded values with new ImDrawFlags_RoundCorners* values. 1329 // Note that ImDrawFlags_Closed (== 0x01) is an invalid flag for AddRect(), AddRectFilled(), PathRect() etc... 1330 IM_ASSERT((flags & 0x0F) == 0 && "Misuse of legacy hardcoded ImDrawCornerFlags values!"); 1331 1332 if ((flags & ImDrawFlags_RoundCornersMask_) == 0) 1333 flags |= ImDrawFlags_RoundCornersAll; 1334 1335 return flags; 1336 } 1337 1338 void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawFlags flags) 1339 { 1340 flags = FixRectCornerFlags(flags); 1341 rounding = ImMin(rounding, ImFabs(b.x - a.x) * ( ((flags & ImDrawFlags_RoundCornersTop) == ImDrawFlags_RoundCornersTop) || ((flags & ImDrawFlags_RoundCornersBottom) == ImDrawFlags_RoundCornersBottom) ? 0.5f : 1.0f ) - 1.0f); 1342 rounding = ImMin(rounding, ImFabs(b.y - a.y) * ( ((flags & ImDrawFlags_RoundCornersLeft) == ImDrawFlags_RoundCornersLeft) || ((flags & ImDrawFlags_RoundCornersRight) == ImDrawFlags_RoundCornersRight) ? 0.5f : 1.0f ) - 1.0f); 1343 1344 if (rounding <= 0.0f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) 1345 { 1346 PathLineTo(a); 1347 PathLineTo(ImVec2(b.x, a.y)); 1348 PathLineTo(b); 1349 PathLineTo(ImVec2(a.x, b.y)); 1350 } 1351 else 1352 { 1353 const float rounding_tl = (flags & ImDrawFlags_RoundCornersTopLeft) ? rounding : 0.0f; 1354 const float rounding_tr = (flags & ImDrawFlags_RoundCornersTopRight) ? rounding : 0.0f; 1355 const float rounding_br = (flags & ImDrawFlags_RoundCornersBottomRight) ? rounding : 0.0f; 1356 const float rounding_bl = (flags & ImDrawFlags_RoundCornersBottomLeft) ? rounding : 0.0f; 1357 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9); 1358 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12); 1359 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3); 1360 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6); 1361 } 1362 } 1363 1364 void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness) 1365 { 1366 if ((col & IM_COL32_A_MASK) == 0) 1367 return; 1368 PathLineTo(p1 + ImVec2(0.5f, 0.5f)); 1369 PathLineTo(p2 + ImVec2(0.5f, 0.5f)); 1370 PathStroke(col, 0, thickness); 1371 } 1372 1373 // p_min = upper-left, p_max = lower-right 1374 // Note we don't render 1 pixels sized rectangles properly. 1375 void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags, float thickness) 1376 { 1377 if ((col & IM_COL32_A_MASK) == 0) 1378 return; 1379 if (Flags & ImDrawListFlags_AntiAliasedLines) 1380 PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.50f, 0.50f), rounding, flags); 1381 else 1382 PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.49f, 0.49f), rounding, flags); // Better looking lower-right corner and rounded non-AA shapes. 1383 PathStroke(col, ImDrawFlags_Closed, thickness); 1384 } 1385 1386 void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags) 1387 { 1388 if ((col & IM_COL32_A_MASK) == 0) 1389 return; 1390 if (rounding <= 0.0f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) 1391 { 1392 PrimReserve(6, 4); 1393 PrimRect(p_min, p_max, col); 1394 } 1395 else 1396 { 1397 PathRect(p_min, p_max, rounding, flags); 1398 PathFillConvex(col); 1399 } 1400 } 1401 1402 // p_min = upper-left, p_max = lower-right 1403 void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left) 1404 { 1405 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0) 1406 return; 1407 1408 const ImVec2 uv = _Data->TexUvWhitePixel; 1409 PrimReserve(6, 4); 1410 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); 1411 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 3)); 1412 PrimWriteVtx(p_min, uv, col_upr_left); 1413 PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right); 1414 PrimWriteVtx(p_max, uv, col_bot_right); 1415 PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left); 1416 } 1417 1418 void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness) 1419 { 1420 if ((col & IM_COL32_A_MASK) == 0) 1421 return; 1422 1423 PathLineTo(p1); 1424 PathLineTo(p2); 1425 PathLineTo(p3); 1426 PathLineTo(p4); 1427 PathStroke(col, ImDrawFlags_Closed, thickness); 1428 } 1429 1430 void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col) 1431 { 1432 if ((col & IM_COL32_A_MASK) == 0) 1433 return; 1434 1435 PathLineTo(p1); 1436 PathLineTo(p2); 1437 PathLineTo(p3); 1438 PathLineTo(p4); 1439 PathFillConvex(col); 1440 } 1441 1442 void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness) 1443 { 1444 if ((col & IM_COL32_A_MASK) == 0) 1445 return; 1446 1447 PathLineTo(p1); 1448 PathLineTo(p2); 1449 PathLineTo(p3); 1450 PathStroke(col, ImDrawFlags_Closed, thickness); 1451 } 1452 1453 void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col) 1454 { 1455 if ((col & IM_COL32_A_MASK) == 0) 1456 return; 1457 1458 PathLineTo(p1); 1459 PathLineTo(p2); 1460 PathLineTo(p3); 1461 PathFillConvex(col); 1462 } 1463 1464 void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) 1465 { 1466 if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) 1467 return; 1468 1469 // Obtain segment count 1470 if (num_segments <= 0) 1471 { 1472 // Automatic segment count 1473 num_segments = _CalcCircleAutoSegmentCount(radius); 1474 } 1475 else 1476 { 1477 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) 1478 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); 1479 } 1480 1481 // Because we are filling a closed shape we remove 1 from the count of segments/points 1482 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1483 if (num_segments == 12) 1484 PathArcToFast(center, radius - 0.5f, 0, 12 - 1); 1485 else 1486 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); 1487 PathStroke(col, ImDrawFlags_Closed, thickness); 1488 } 1489 1490 void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) 1491 { 1492 if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) 1493 return; 1494 1495 // Obtain segment count 1496 if (num_segments <= 0) 1497 { 1498 // Automatic segment count 1499 num_segments = _CalcCircleAutoSegmentCount(radius); 1500 } 1501 else 1502 { 1503 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) 1504 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); 1505 } 1506 1507 // Because we are filling a closed shape we remove 1 from the count of segments/points 1508 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1509 if (num_segments == 12) 1510 PathArcToFast(center, radius, 0, 12 - 1); 1511 else 1512 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); 1513 PathFillConvex(col); 1514 } 1515 1516 // Guaranteed to honor 'num_segments' 1517 void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) 1518 { 1519 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) 1520 return; 1521 1522 // Because we are filling a closed shape we remove 1 from the count of segments/points 1523 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1524 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); 1525 PathStroke(col, ImDrawFlags_Closed, thickness); 1526 } 1527 1528 // Guaranteed to honor 'num_segments' 1529 void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) 1530 { 1531 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) 1532 return; 1533 1534 // Because we are filling a closed shape we remove 1 from the count of segments/points 1535 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1536 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); 1537 PathFillConvex(col); 1538 } 1539 1540 // Cubic Bezier takes 4 controls points 1541 void ImDrawList::AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments) 1542 { 1543 if ((col & IM_COL32_A_MASK) == 0) 1544 return; 1545 1546 PathLineTo(p1); 1547 PathBezierCubicCurveTo(p2, p3, p4, num_segments); 1548 PathStroke(col, 0, thickness); 1549 } 1550 1551 // Quadratic Bezier takes 3 controls points 1552 void ImDrawList::AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments) 1553 { 1554 if ((col & IM_COL32_A_MASK) == 0) 1555 return; 1556 1557 PathLineTo(p1); 1558 PathBezierQuadraticCurveTo(p2, p3, num_segments); 1559 PathStroke(col, 0, thickness); 1560 } 1561 1562 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) 1563 { 1564 if ((col & IM_COL32_A_MASK) == 0) 1565 return; 1566 1567 if (text_end == NULL) 1568 text_end = text_begin + strlen(text_begin); 1569 if (text_begin == text_end) 1570 return; 1571 1572 // Pull default font/size from the shared ImDrawListSharedData instance 1573 if (font == NULL) 1574 font = _Data->Font; 1575 if (font_size == 0.0f) 1576 font_size = _Data->FontSize; 1577 1578 IM_ASSERT(font->ContainerAtlas->TexID == _CmdHeader.TextureId); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font. 1579 1580 ImVec4 clip_rect = _CmdHeader.ClipRect; 1581 if (cpu_fine_clip_rect) 1582 { 1583 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x); 1584 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y); 1585 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z); 1586 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w); 1587 } 1588 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL); 1589 } 1590 1591 void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end) 1592 { 1593 AddText(NULL, 0.0f, pos, col, text_begin, text_end); 1594 } 1595 1596 void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col) 1597 { 1598 if ((col & IM_COL32_A_MASK) == 0) 1599 return; 1600 1601 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; 1602 if (push_texture_id) 1603 PushTextureID(user_texture_id); 1604 1605 PrimReserve(6, 4); 1606 PrimRectUV(p_min, p_max, uv_min, uv_max, col); 1607 1608 if (push_texture_id) 1609 PopTextureID(); 1610 } 1611 1612 void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col) 1613 { 1614 if ((col & IM_COL32_A_MASK) == 0) 1615 return; 1616 1617 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; 1618 if (push_texture_id) 1619 PushTextureID(user_texture_id); 1620 1621 PrimReserve(6, 4); 1622 PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col); 1623 1624 if (push_texture_id) 1625 PopTextureID(); 1626 } 1627 1628 void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawFlags flags) 1629 { 1630 if ((col & IM_COL32_A_MASK) == 0) 1631 return; 1632 1633 flags = FixRectCornerFlags(flags); 1634 if (rounding <= 0.0f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) 1635 { 1636 AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col); 1637 return; 1638 } 1639 1640 const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; 1641 if (push_texture_id) 1642 PushTextureID(user_texture_id); 1643 1644 int vert_start_idx = VtxBuffer.Size; 1645 PathRect(p_min, p_max, rounding, flags); 1646 PathFillConvex(col); 1647 int vert_end_idx = VtxBuffer.Size; 1648 ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true); 1649 1650 if (push_texture_id) 1651 PopTextureID(); 1652 } 1653 1654 1655 //----------------------------------------------------------------------------- 1656 // [SECTION] ImDrawListSplitter 1657 //----------------------------------------------------------------------------- 1658 // FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap.. 1659 //----------------------------------------------------------------------------- 1660 1661 void ImDrawListSplitter::ClearFreeMemory() 1662 { 1663 for (int i = 0; i < _Channels.Size; i++) 1664 { 1665 if (i == _Current) 1666 memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again 1667 _Channels[i]._CmdBuffer.clear(); 1668 _Channels[i]._IdxBuffer.clear(); 1669 } 1670 _Current = 0; 1671 _Count = 1; 1672 _Channels.clear(); 1673 } 1674 1675 void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count) 1676 { 1677 IM_UNUSED(draw_list); 1678 IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter."); 1679 int old_channels_count = _Channels.Size; 1680 if (old_channels_count < channels_count) 1681 { 1682 _Channels.reserve(channels_count); // Avoid over reserving since this is likely to stay stable 1683 _Channels.resize(channels_count); 1684 } 1685 _Count = channels_count; 1686 1687 // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer 1688 // 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. 1689 // When we switch to the next channel, we'll copy draw_list->_CmdBuffer/_IdxBuffer into Channels[0] and then Channels[1] into draw_list->CmdBuffer/_IdxBuffer 1690 memset(&_Channels[0], 0, sizeof(ImDrawChannel)); 1691 for (int i = 1; i < channels_count; i++) 1692 { 1693 if (i >= old_channels_count) 1694 { 1695 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel(); 1696 } 1697 else 1698 { 1699 _Channels[i]._CmdBuffer.resize(0); 1700 _Channels[i]._IdxBuffer.resize(0); 1701 } 1702 } 1703 } 1704 1705 void ImDrawListSplitter::Merge(ImDrawList* draw_list) 1706 { 1707 // 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. 1708 if (_Count <= 1) 1709 return; 1710 1711 SetCurrentChannel(draw_list, 0); 1712 draw_list->_PopUnusedDrawCmd(); 1713 1714 // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command. 1715 int new_cmd_buffer_count = 0; 1716 int new_idx_buffer_count = 0; 1717 ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL; 1718 int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0; 1719 for (int i = 1; i < _Count; i++) 1720 { 1721 ImDrawChannel& ch = _Channels[i]; 1722 1723 // Equivalent of PopUnusedDrawCmd() for this channel's cmdbuffer and except we don't need to test for UserCallback. 1724 if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0) 1725 ch._CmdBuffer.pop_back(); 1726 1727 if (ch._CmdBuffer.Size > 0 && last_cmd != NULL) 1728 { 1729 ImDrawCmd* next_cmd = &ch._CmdBuffer[0]; 1730 if (ImDrawCmd_HeaderCompare(last_cmd, next_cmd) == 0 && last_cmd->UserCallback == NULL && next_cmd->UserCallback == NULL) 1731 { 1732 // Merge previous channel last draw command with current channel first draw command if matching. 1733 last_cmd->ElemCount += next_cmd->ElemCount; 1734 idx_offset += next_cmd->ElemCount; 1735 ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges. 1736 } 1737 } 1738 if (ch._CmdBuffer.Size > 0) 1739 last_cmd = &ch._CmdBuffer.back(); 1740 new_cmd_buffer_count += ch._CmdBuffer.Size; 1741 new_idx_buffer_count += ch._IdxBuffer.Size; 1742 for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++) 1743 { 1744 ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset; 1745 idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount; 1746 } 1747 } 1748 draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count); 1749 draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count); 1750 1751 // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices) 1752 ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count; 1753 ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count; 1754 for (int i = 1; i < _Count; i++) 1755 { 1756 ImDrawChannel& ch = _Channels[i]; 1757 if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; } 1758 if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; } 1759 } 1760 draw_list->_IdxWritePtr = idx_write; 1761 1762 // Ensure there's always a non-callback draw command trailing the command-buffer 1763 if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL) 1764 draw_list->AddDrawCmd(); 1765 1766 // If current command is used with different settings we need to add a new command 1767 ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; 1768 if (curr_cmd->ElemCount == 0) 1769 ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset 1770 else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) 1771 draw_list->AddDrawCmd(); 1772 1773 _Count = 1; 1774 } 1775 1776 void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx) 1777 { 1778 IM_ASSERT(idx >= 0 && idx < _Count); 1779 if (_Current == idx) 1780 return; 1781 1782 // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap() 1783 memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer)); 1784 memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer)); 1785 _Current = idx; 1786 memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer)); 1787 memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer)); 1788 draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size; 1789 1790 // If current command is used with different settings we need to add a new command 1791 ImDrawCmd* curr_cmd = (draw_list->CmdBuffer.Size == 0) ? NULL : &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; 1792 if (curr_cmd == NULL) 1793 draw_list->AddDrawCmd(); 1794 else if (curr_cmd->ElemCount == 0) 1795 ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset 1796 else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) 1797 draw_list->AddDrawCmd(); 1798 } 1799 1800 //----------------------------------------------------------------------------- 1801 // [SECTION] ImDrawData 1802 //----------------------------------------------------------------------------- 1803 1804 // 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! 1805 void ImDrawData::DeIndexAllBuffers() 1806 { 1807 ImVector<ImDrawVert> new_vtx_buffer; 1808 TotalVtxCount = TotalIdxCount = 0; 1809 for (int i = 0; i < CmdListsCount; i++) 1810 { 1811 ImDrawList* cmd_list = CmdLists[i]; 1812 if (cmd_list->IdxBuffer.empty()) 1813 continue; 1814 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size); 1815 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++) 1816 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]]; 1817 cmd_list->VtxBuffer.swap(new_vtx_buffer); 1818 cmd_list->IdxBuffer.resize(0); 1819 TotalVtxCount += cmd_list->VtxBuffer.Size; 1820 } 1821 } 1822 1823 // Helper to scale the ClipRect field of each ImDrawCmd. 1824 // Use if your final output buffer is at a different scale than draw_data->DisplaySize, 1825 // or if there is a difference between your window resolution and framebuffer resolution. 1826 void ImDrawData::ScaleClipRects(const ImVec2& fb_scale) 1827 { 1828 for (int i = 0; i < CmdListsCount; i++) 1829 { 1830 ImDrawList* cmd_list = CmdLists[i]; 1831 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) 1832 { 1833 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i]; 1834 cmd->ClipRect = ImVec4(cmd->ClipRect.x * fb_scale.x, cmd->ClipRect.y * fb_scale.y, cmd->ClipRect.z * fb_scale.x, cmd->ClipRect.w * fb_scale.y); 1835 } 1836 } 1837 } 1838 1839 //----------------------------------------------------------------------------- 1840 // [SECTION] Helpers ShadeVertsXXX functions 1841 //----------------------------------------------------------------------------- 1842 1843 // Generic linear color gradient, write to RGB fields, leave A untouched. 1844 void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1) 1845 { 1846 ImVec2 gradient_extent = gradient_p1 - gradient_p0; 1847 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent); 1848 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; 1849 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; 1850 const int col0_r = (int)(col0 >> IM_COL32_R_SHIFT) & 0xFF; 1851 const int col0_g = (int)(col0 >> IM_COL32_G_SHIFT) & 0xFF; 1852 const int col0_b = (int)(col0 >> IM_COL32_B_SHIFT) & 0xFF; 1853 const int col_delta_r = ((int)(col1 >> IM_COL32_R_SHIFT) & 0xFF) - col0_r; 1854 const int col_delta_g = ((int)(col1 >> IM_COL32_G_SHIFT) & 0xFF) - col0_g; 1855 const int col_delta_b = ((int)(col1 >> IM_COL32_B_SHIFT) & 0xFF) - col0_b; 1856 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++) 1857 { 1858 float d = ImDot(vert->pos - gradient_p0, gradient_extent); 1859 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f); 1860 int r = (int)(col0_r + col_delta_r * t); 1861 int g = (int)(col0_g + col_delta_g * t); 1862 int b = (int)(col0_b + col_delta_b * t); 1863 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK); 1864 } 1865 } 1866 1867 // Distribute UV over (a, b) rectangle 1868 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) 1869 { 1870 const ImVec2 size = b - a; 1871 const ImVec2 uv_size = uv_b - uv_a; 1872 const ImVec2 scale = ImVec2( 1873 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f, 1874 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f); 1875 1876 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; 1877 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; 1878 if (clamp) 1879 { 1880 const ImVec2 min = ImMin(uv_a, uv_b); 1881 const ImVec2 max = ImMax(uv_a, uv_b); 1882 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) 1883 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max); 1884 } 1885 else 1886 { 1887 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) 1888 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale); 1889 } 1890 } 1891 1892 //----------------------------------------------------------------------------- 1893 // [SECTION] ImFontConfig 1894 //----------------------------------------------------------------------------- 1895 1896 ImFontConfig::ImFontConfig() 1897 { 1898 memset(this, 0, sizeof(*this)); 1899 FontDataOwnedByAtlas = true; 1900 OversampleH = 3; // FIXME: 2 may be a better default? 1901 OversampleV = 1; 1902 GlyphMaxAdvanceX = FLT_MAX; 1903 RasterizerMultiply = 1.0f; 1904 EllipsisChar = (ImWchar)-1; 1905 } 1906 1907 //----------------------------------------------------------------------------- 1908 // [SECTION] ImFontAtlas 1909 //----------------------------------------------------------------------------- 1910 1911 // A work of art lies ahead! (. = white layer, X = black layer, others are blank) 1912 // The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes. 1913 const int FONT_ATLAS_DEFAULT_TEX_DATA_W = 108; // Actual texture will be 2 times that + 1 spacing. 1914 const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27; 1915 static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] = 1916 { 1917 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX " 1918 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X " 1919 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X " 1920 "X - X.X - X.....X - X.....X -X...X - X...X- X..X " 1921 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X " 1922 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX " 1923 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX " 1924 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX " 1925 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X " 1926 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X" 1927 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X" 1928 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X" 1929 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X" 1930 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X" 1931 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X" 1932 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X" 1933 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X " 1934 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X " 1935 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X " 1936 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X " 1937 " X..X - X...X - X...X - X..X X..X - - X........X " 1938 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX " 1939 "------------ - X - X -X.....................X- ------------------" 1940 " ----------------------------------- X...XXXXXXXXXXXXX...X - " 1941 " - X..X X..X - " 1942 " - X.X X.X - " 1943 " - XX XX - " 1944 }; 1945 1946 static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] = 1947 { 1948 // Pos ........ Size ......... Offset ...... 1949 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow 1950 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput 1951 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll 1952 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS 1953 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW 1954 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW 1955 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE 1956 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand 1957 }; 1958 1959 ImFontAtlas::ImFontAtlas() 1960 { 1961 memset(this, 0, sizeof(*this)); 1962 TexGlyphPadding = 1; 1963 PackIdMouseCursors = PackIdLines = -1; 1964 } 1965 1966 ImFontAtlas::~ImFontAtlas() 1967 { 1968 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1969 Clear(); 1970 } 1971 1972 void ImFontAtlas::ClearInputData() 1973 { 1974 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1975 for (int i = 0; i < ConfigData.Size; i++) 1976 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas) 1977 { 1978 IM_FREE(ConfigData[i].FontData); 1979 ConfigData[i].FontData = NULL; 1980 } 1981 1982 // When clearing this we lose access to the font name and other information used to build the font. 1983 for (int i = 0; i < Fonts.Size; i++) 1984 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size) 1985 { 1986 Fonts[i]->ConfigData = NULL; 1987 Fonts[i]->ConfigDataCount = 0; 1988 } 1989 ConfigData.clear(); 1990 CustomRects.clear(); 1991 PackIdMouseCursors = PackIdLines = -1; 1992 } 1993 1994 void ImFontAtlas::ClearTexData() 1995 { 1996 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1997 if (TexPixelsAlpha8) 1998 IM_FREE(TexPixelsAlpha8); 1999 if (TexPixelsRGBA32) 2000 IM_FREE(TexPixelsRGBA32); 2001 TexPixelsAlpha8 = NULL; 2002 TexPixelsRGBA32 = NULL; 2003 TexPixelsUseColors = false; 2004 } 2005 2006 void ImFontAtlas::ClearFonts() 2007 { 2008 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 2009 for (int i = 0; i < Fonts.Size; i++) 2010 IM_DELETE(Fonts[i]); 2011 Fonts.clear(); 2012 } 2013 2014 void ImFontAtlas::Clear() 2015 { 2016 ClearInputData(); 2017 ClearTexData(); 2018 ClearFonts(); 2019 } 2020 2021 void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) 2022 { 2023 // Build atlas on demand 2024 if (TexPixelsAlpha8 == NULL) 2025 { 2026 if (ConfigData.empty()) 2027 AddFontDefault(); 2028 Build(); 2029 } 2030 2031 *out_pixels = TexPixelsAlpha8; 2032 if (out_width) *out_width = TexWidth; 2033 if (out_height) *out_height = TexHeight; 2034 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1; 2035 } 2036 2037 void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) 2038 { 2039 // Convert to RGBA32 format on demand 2040 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp 2041 if (!TexPixelsRGBA32) 2042 { 2043 unsigned char* pixels = NULL; 2044 GetTexDataAsAlpha8(&pixels, NULL, NULL); 2045 if (pixels) 2046 { 2047 TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4); 2048 const unsigned char* src = pixels; 2049 unsigned int* dst = TexPixelsRGBA32; 2050 for (int n = TexWidth * TexHeight; n > 0; n--) 2051 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++)); 2052 } 2053 } 2054 2055 *out_pixels = (unsigned char*)TexPixelsRGBA32; 2056 if (out_width) *out_width = TexWidth; 2057 if (out_height) *out_height = TexHeight; 2058 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4; 2059 } 2060 2061 ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg) 2062 { 2063 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 2064 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0); 2065 IM_ASSERT(font_cfg->SizePixels > 0.0f); 2066 2067 // Create new font 2068 if (!font_cfg->MergeMode) 2069 Fonts.push_back(IM_NEW(ImFont)); 2070 else 2071 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. 2072 2073 ConfigData.push_back(*font_cfg); 2074 ImFontConfig& new_font_cfg = ConfigData.back(); 2075 if (new_font_cfg.DstFont == NULL) 2076 new_font_cfg.DstFont = Fonts.back(); 2077 if (!new_font_cfg.FontDataOwnedByAtlas) 2078 { 2079 new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize); 2080 new_font_cfg.FontDataOwnedByAtlas = true; 2081 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize); 2082 } 2083 2084 if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1) 2085 new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar; 2086 2087 // Invalidate texture 2088 ClearTexData(); 2089 return new_font_cfg.DstFont; 2090 } 2091 2092 // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder) 2093 static unsigned int stb_decompress_length(const unsigned char* input); 2094 static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length); 2095 static const char* GetDefaultCompressedFontDataTTFBase85(); 2096 static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; } 2097 static void Decode85(const unsigned char* src, unsigned char* dst) 2098 { 2099 while (*src) 2100 { 2101 unsigned int tmp = Decode85Byte(src[0]) + 85 * (Decode85Byte(src[1]) + 85 * (Decode85Byte(src[2]) + 85 * (Decode85Byte(src[3]) + 85 * Decode85Byte(src[4])))); 2102 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. 2103 src += 5; 2104 dst += 4; 2105 } 2106 } 2107 2108 // Load embedded ProggyClean.ttf at size 13, disable oversampling 2109 ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template) 2110 { 2111 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 2112 if (!font_cfg_template) 2113 { 2114 font_cfg.OversampleH = font_cfg.OversampleV = 1; 2115 font_cfg.PixelSnapH = true; 2116 } 2117 if (font_cfg.SizePixels <= 0.0f) 2118 font_cfg.SizePixels = 13.0f * 1.0f; 2119 if (font_cfg.Name[0] == '\0') 2120 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels); 2121 font_cfg.EllipsisChar = (ImWchar)0x0085; 2122 font_cfg.GlyphOffset.y = 1.0f * IM_FLOOR(font_cfg.SizePixels / 13.0f); // Add +1 offset per 13 units 2123 2124 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85(); 2125 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault(); 2126 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges); 2127 return font; 2128 } 2129 2130 ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) 2131 { 2132 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 2133 size_t data_size = 0; 2134 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0); 2135 if (!data) 2136 { 2137 IM_ASSERT_USER_ERROR(0, "Could not load font file!"); 2138 return NULL; 2139 } 2140 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 2141 if (font_cfg.Name[0] == '\0') 2142 { 2143 // Store a short copy of filename into into the font name for convenience 2144 const char* p; 2145 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {} 2146 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels); 2147 } 2148 return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges); 2149 } 2150 2151 // NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build(). 2152 ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) 2153 { 2154 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 2155 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 2156 IM_ASSERT(font_cfg.FontData == NULL); 2157 font_cfg.FontData = ttf_data; 2158 font_cfg.FontDataSize = ttf_size; 2159 font_cfg.SizePixels = size_pixels; 2160 if (glyph_ranges) 2161 font_cfg.GlyphRanges = glyph_ranges; 2162 return AddFont(&font_cfg); 2163 } 2164 2165 ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) 2166 { 2167 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data); 2168 unsigned char* buf_decompressed_data = (unsigned char*)IM_ALLOC(buf_decompressed_size); 2169 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size); 2170 2171 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 2172 IM_ASSERT(font_cfg.FontData == NULL); 2173 font_cfg.FontDataOwnedByAtlas = true; 2174 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges); 2175 } 2176 2177 ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges) 2178 { 2179 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4; 2180 void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size); 2181 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf); 2182 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges); 2183 IM_FREE(compressed_ttf); 2184 return font; 2185 } 2186 2187 int ImFontAtlas::AddCustomRectRegular(int width, int height) 2188 { 2189 IM_ASSERT(width > 0 && width <= 0xFFFF); 2190 IM_ASSERT(height > 0 && height <= 0xFFFF); 2191 ImFontAtlasCustomRect r; 2192 r.Width = (unsigned short)width; 2193 r.Height = (unsigned short)height; 2194 CustomRects.push_back(r); 2195 return CustomRects.Size - 1; // Return index 2196 } 2197 2198 int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset) 2199 { 2200 #ifdef IMGUI_USE_WCHAR32 2201 IM_ASSERT(id <= IM_UNICODE_CODEPOINT_MAX); 2202 #endif 2203 IM_ASSERT(font != NULL); 2204 IM_ASSERT(width > 0 && width <= 0xFFFF); 2205 IM_ASSERT(height > 0 && height <= 0xFFFF); 2206 ImFontAtlasCustomRect r; 2207 r.Width = (unsigned short)width; 2208 r.Height = (unsigned short)height; 2209 r.GlyphID = id; 2210 r.GlyphAdvanceX = advance_x; 2211 r.GlyphOffset = offset; 2212 r.Font = font; 2213 CustomRects.push_back(r); 2214 return CustomRects.Size - 1; // Return index 2215 } 2216 2217 void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const 2218 { 2219 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates 2220 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed 2221 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y); 2222 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y); 2223 } 2224 2225 bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]) 2226 { 2227 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT) 2228 return false; 2229 if (Flags & ImFontAtlasFlags_NoMouseCursors) 2230 return false; 2231 2232 IM_ASSERT(PackIdMouseCursors != -1); 2233 ImFontAtlasCustomRect* r = GetCustomRectByIndex(PackIdMouseCursors); 2234 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r->X, (float)r->Y); 2235 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1]; 2236 *out_size = size; 2237 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2]; 2238 out_uv_border[0] = (pos) * TexUvScale; 2239 out_uv_border[1] = (pos + size) * TexUvScale; 2240 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W + 1; 2241 out_uv_fill[0] = (pos) * TexUvScale; 2242 out_uv_fill[1] = (pos + size) * TexUvScale; 2243 return true; 2244 } 2245 2246 bool ImFontAtlas::Build() 2247 { 2248 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 2249 2250 // Select builder 2251 // - Note that we do not reassign to atlas->FontBuilderIO, since it is likely to point to static data which 2252 // may mess with some hot-reloading schemes. If you need to assign to this (for dynamic selection) AND are 2253 // using a hot-reloading scheme that messes up static data, store your own instance of ImFontBuilderIO somewhere 2254 // and point to it instead of pointing directly to return value of the GetBuilderXXX functions. 2255 const ImFontBuilderIO* builder_io = FontBuilderIO; 2256 if (builder_io == NULL) 2257 { 2258 #ifdef IMGUI_ENABLE_FREETYPE 2259 builder_io = ImGuiFreeType::GetBuilderForFreeType(); 2260 #elif defined(IMGUI_ENABLE_STB_TRUETYPE) 2261 builder_io = ImFontAtlasGetBuilderForStbTruetype(); 2262 #else 2263 IM_ASSERT(0); // Invalid Build function 2264 #endif 2265 } 2266 2267 // Build 2268 return builder_io->FontBuilder_Build(this); 2269 } 2270 2271 void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor) 2272 { 2273 for (unsigned int i = 0; i < 256; i++) 2274 { 2275 unsigned int value = (unsigned int)(i * in_brighten_factor); 2276 out_table[i] = value > 255 ? 255 : (value & 0xFF); 2277 } 2278 } 2279 2280 void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride) 2281 { 2282 unsigned char* data = pixels + x + y * stride; 2283 for (int j = h; j > 0; j--, data += stride) 2284 for (int i = 0; i < w; i++) 2285 data[i] = table[data[i]]; 2286 } 2287 2288 #ifdef IMGUI_ENABLE_STB_TRUETYPE 2289 // Temporary data for one source font (multiple source fonts can be merged into one destination ImFont) 2290 // (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.) 2291 struct ImFontBuildSrcData 2292 { 2293 stbtt_fontinfo FontInfo; 2294 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data) 2295 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position. 2296 stbtt_packedchar* PackedChars; // Output glyphs 2297 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF) 2298 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[] 2299 int GlyphsHighest; // Highest requested codepoint 2300 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font) 2301 ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB) 2302 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap) 2303 }; 2304 2305 // Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont) 2306 struct ImFontBuildDstData 2307 { 2308 int SrcCount; // Number of source fonts targeting this destination font. 2309 int GlyphsHighest; 2310 int GlyphsCount; 2311 ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font. 2312 }; 2313 2314 static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector<int>* out) 2315 { 2316 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int)); 2317 const ImU32* it_begin = in->Storage.begin(); 2318 const ImU32* it_end = in->Storage.end(); 2319 for (const ImU32* it = it_begin; it < it_end; it++) 2320 if (ImU32 entries_32 = *it) 2321 for (ImU32 bit_n = 0; bit_n < 32; bit_n++) 2322 if (entries_32 & ((ImU32)1 << bit_n)) 2323 out->push_back((int)(((it - it_begin) << 5) + bit_n)); 2324 } 2325 2326 static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas) 2327 { 2328 IM_ASSERT(atlas->ConfigData.Size > 0); 2329 2330 ImFontAtlasBuildInit(atlas); 2331 2332 // Clear atlas 2333 atlas->TexID = (ImTextureID)NULL; 2334 atlas->TexWidth = atlas->TexHeight = 0; 2335 atlas->TexUvScale = ImVec2(0.0f, 0.0f); 2336 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f); 2337 atlas->ClearTexData(); 2338 2339 // Temporary storage for building 2340 ImVector<ImFontBuildSrcData> src_tmp_array; 2341 ImVector<ImFontBuildDstData> dst_tmp_array; 2342 src_tmp_array.resize(atlas->ConfigData.Size); 2343 dst_tmp_array.resize(atlas->Fonts.Size); 2344 memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes()); 2345 memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes()); 2346 2347 // 1. Initialize font loading structure, check font data validity 2348 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++) 2349 { 2350 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2351 ImFontConfig& cfg = atlas->ConfigData[src_i]; 2352 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas)); 2353 2354 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices) 2355 src_tmp.DstIndex = -1; 2356 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++) 2357 if (cfg.DstFont == atlas->Fonts[output_i]) 2358 src_tmp.DstIndex = output_i; 2359 if (src_tmp.DstIndex == -1) 2360 { 2361 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array? 2362 return false; 2363 } 2364 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct 2365 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo); 2366 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found."); 2367 if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset)) 2368 return false; 2369 2370 // Measure highest codepoints 2371 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; 2372 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault(); 2373 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) 2374 src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]); 2375 dst_tmp.SrcCount++; 2376 dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest); 2377 } 2378 2379 // 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. 2380 int total_glyphs_count = 0; 2381 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2382 { 2383 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2384 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; 2385 src_tmp.GlyphsSet.Create(src_tmp.GlyphsHighest + 1); 2386 if (dst_tmp.GlyphsSet.Storage.empty()) 2387 dst_tmp.GlyphsSet.Create(dst_tmp.GlyphsHighest + 1); 2388 2389 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) 2390 for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++) 2391 { 2392 if (dst_tmp.GlyphsSet.TestBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true) 2393 continue; 2394 if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font? 2395 continue; 2396 2397 // Add to avail set/counters 2398 src_tmp.GlyphsCount++; 2399 dst_tmp.GlyphsCount++; 2400 src_tmp.GlyphsSet.SetBit(codepoint); 2401 dst_tmp.GlyphsSet.SetBit(codepoint); 2402 total_glyphs_count++; 2403 } 2404 } 2405 2406 // 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) 2407 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2408 { 2409 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2410 src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount); 2411 UnpackBitVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList); 2412 src_tmp.GlyphsSet.Clear(); 2413 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount); 2414 } 2415 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++) 2416 dst_tmp_array[dst_i].GlyphsSet.Clear(); 2417 dst_tmp_array.clear(); 2418 2419 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0) 2420 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity) 2421 ImVector<stbrp_rect> buf_rects; 2422 ImVector<stbtt_packedchar> buf_packedchars; 2423 buf_rects.resize(total_glyphs_count); 2424 buf_packedchars.resize(total_glyphs_count); 2425 memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes()); 2426 memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes()); 2427 2428 // 4. Gather glyphs sizes so we can pack them in our virtual canvas. 2429 int total_surface = 0; 2430 int buf_rects_out_n = 0; 2431 int buf_packedchars_out_n = 0; 2432 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2433 { 2434 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2435 if (src_tmp.GlyphsCount == 0) 2436 continue; 2437 2438 src_tmp.Rects = &buf_rects[buf_rects_out_n]; 2439 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n]; 2440 buf_rects_out_n += src_tmp.GlyphsCount; 2441 buf_packedchars_out_n += src_tmp.GlyphsCount; 2442 2443 // Convert our ranges in the format stb_truetype wants 2444 ImFontConfig& cfg = atlas->ConfigData[src_i]; 2445 src_tmp.PackRange.font_size = cfg.SizePixels; 2446 src_tmp.PackRange.first_unicode_codepoint_in_range = 0; 2447 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data; 2448 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size; 2449 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars; 2450 src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH; 2451 src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV; 2452 2453 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects) 2454 const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels); 2455 const int padding = atlas->TexGlyphPadding; 2456 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++) 2457 { 2458 int x0, y0, x1, y1; 2459 const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]); 2460 IM_ASSERT(glyph_index_in_font != 0); 2461 stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1); 2462 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1); 2463 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1); 2464 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h; 2465 } 2466 } 2467 2468 // We need a width for the skyline algorithm, any width! 2469 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height. 2470 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface. 2471 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1; 2472 atlas->TexHeight = 0; 2473 if (atlas->TexDesiredWidth > 0) 2474 atlas->TexWidth = atlas->TexDesiredWidth; 2475 else 2476 atlas->TexWidth = (surface_sqrt >= 4096 * 0.7f) ? 4096 : (surface_sqrt >= 2048 * 0.7f) ? 2048 : (surface_sqrt >= 1024 * 0.7f) ? 1024 : 512; 2477 2478 // 5. Start packing 2479 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values). 2480 const int TEX_HEIGHT_MAX = 1024 * 32; 2481 stbtt_pack_context spc = {}; 2482 stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL); 2483 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info); 2484 2485 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point. 2486 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2487 { 2488 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2489 if (src_tmp.GlyphsCount == 0) 2490 continue; 2491 2492 stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount); 2493 2494 // Extend texture height and mark missing glyphs as non-packed so we won't render them. 2495 // 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?) 2496 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) 2497 if (src_tmp.Rects[glyph_i].was_packed) 2498 atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h); 2499 } 2500 2501 // 7. Allocate texture 2502 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight); 2503 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight); 2504 atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight); 2505 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight); 2506 spc.pixels = atlas->TexPixelsAlpha8; 2507 spc.height = atlas->TexHeight; 2508 2509 // 8. Render/rasterize font characters into the texture 2510 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2511 { 2512 ImFontConfig& cfg = atlas->ConfigData[src_i]; 2513 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2514 if (src_tmp.GlyphsCount == 0) 2515 continue; 2516 2517 stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects); 2518 2519 // Apply multiply operator 2520 if (cfg.RasterizerMultiply != 1.0f) 2521 { 2522 unsigned char multiply_table[256]; 2523 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply); 2524 stbrp_rect* r = &src_tmp.Rects[0]; 2525 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++) 2526 if (r->was_packed) 2527 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1); 2528 } 2529 src_tmp.Rects = NULL; 2530 } 2531 2532 // End packing 2533 stbtt_PackEnd(&spc); 2534 buf_rects.clear(); 2535 2536 // 9. Setup ImFont and glyphs for runtime 2537 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2538 { 2539 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2540 if (src_tmp.GlyphsCount == 0) 2541 continue; 2542 2543 // When merging fonts with MergeMode=true: 2544 // - We can have multiple input fonts writing into a same destination font. 2545 // - dst_font->ConfigData is != from cfg which is our source configuration. 2546 ImFontConfig& cfg = atlas->ConfigData[src_i]; 2547 ImFont* dst_font = cfg.DstFont; 2548 2549 const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels); 2550 int unscaled_ascent, unscaled_descent, unscaled_line_gap; 2551 stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap); 2552 2553 const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1)); 2554 const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1)); 2555 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent); 2556 const float font_off_x = cfg.GlyphOffset.x; 2557 const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent); 2558 2559 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) 2560 { 2561 // Register glyph 2562 const int codepoint = src_tmp.GlyphsList[glyph_i]; 2563 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i]; 2564 stbtt_aligned_quad q; 2565 float unused_x = 0.0f, unused_y = 0.0f; 2566 stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &unused_x, &unused_y, &q, 0); 2567 dst_font->AddGlyph(&cfg, (ImWchar)codepoint, q.x0 + font_off_x, q.y0 + font_off_y, q.x1 + font_off_x, q.y1 + font_off_y, q.s0, q.t0, q.s1, q.t1, pc.xadvance); 2568 } 2569 } 2570 2571 // Cleanup temporary (ImVector doesn't honor destructor) 2572 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2573 src_tmp_array[src_i].~ImFontBuildSrcData(); 2574 2575 ImFontAtlasBuildFinish(atlas); 2576 return true; 2577 } 2578 2579 const ImFontBuilderIO* ImFontAtlasGetBuilderForStbTruetype() 2580 { 2581 static ImFontBuilderIO io; 2582 io.FontBuilder_Build = ImFontAtlasBuildWithStbTruetype; 2583 return &io; 2584 } 2585 2586 #endif // IMGUI_ENABLE_STB_TRUETYPE 2587 2588 void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent) 2589 { 2590 if (!font_config->MergeMode) 2591 { 2592 font->ClearOutputData(); 2593 font->FontSize = font_config->SizePixels; 2594 font->ConfigData = font_config; 2595 font->ConfigDataCount = 0; 2596 font->ContainerAtlas = atlas; 2597 font->Ascent = ascent; 2598 font->Descent = descent; 2599 } 2600 font->ConfigDataCount++; 2601 } 2602 2603 void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque) 2604 { 2605 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque; 2606 IM_ASSERT(pack_context != NULL); 2607 2608 ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects; 2609 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong. 2610 2611 ImVector<stbrp_rect> pack_rects; 2612 pack_rects.resize(user_rects.Size); 2613 memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes()); 2614 for (int i = 0; i < user_rects.Size; i++) 2615 { 2616 pack_rects[i].w = user_rects[i].Width; 2617 pack_rects[i].h = user_rects[i].Height; 2618 } 2619 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size); 2620 for (int i = 0; i < pack_rects.Size; i++) 2621 if (pack_rects[i].was_packed) 2622 { 2623 user_rects[i].X = pack_rects[i].x; 2624 user_rects[i].Y = pack_rects[i].y; 2625 IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height); 2626 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h); 2627 } 2628 } 2629 2630 void ImFontAtlasBuildRender8bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value) 2631 { 2632 IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth); 2633 IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight); 2634 unsigned char* out_pixel = atlas->TexPixelsAlpha8 + x + (y * atlas->TexWidth); 2635 for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w) 2636 for (int off_x = 0; off_x < w; off_x++) 2637 out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : 0x00; 2638 } 2639 2640 void ImFontAtlasBuildRender32bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned int in_marker_pixel_value) 2641 { 2642 IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth); 2643 IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight); 2644 unsigned int* out_pixel = atlas->TexPixelsRGBA32 + x + (y * atlas->TexWidth); 2645 for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w) 2646 for (int off_x = 0; off_x < w; off_x++) 2647 out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : IM_COL32_BLACK_TRANS; 2648 } 2649 2650 static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas) 2651 { 2652 ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdMouseCursors); 2653 IM_ASSERT(r->IsPacked()); 2654 2655 const int w = atlas->TexWidth; 2656 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) 2657 { 2658 // Render/copy pixels 2659 IM_ASSERT(r->Width == FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H); 2660 const int x_for_white = r->X; 2661 const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1; 2662 if (atlas->TexPixelsAlpha8 != NULL) 2663 { 2664 ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', 0xFF); 2665 ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', 0xFF); 2666 } 2667 else 2668 { 2669 ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', IM_COL32_WHITE); 2670 ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', IM_COL32_WHITE); 2671 } 2672 } 2673 else 2674 { 2675 // Render 4 white pixels 2676 IM_ASSERT(r->Width == 2 && r->Height == 2); 2677 const int offset = (int)r->X + (int)r->Y * w; 2678 if (atlas->TexPixelsAlpha8 != NULL) 2679 { 2680 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF; 2681 } 2682 else 2683 { 2684 atlas->TexPixelsRGBA32[offset] = atlas->TexPixelsRGBA32[offset + 1] = atlas->TexPixelsRGBA32[offset + w] = atlas->TexPixelsRGBA32[offset + w + 1] = IM_COL32_WHITE; 2685 } 2686 } 2687 atlas->TexUvWhitePixel = ImVec2((r->X + 0.5f) * atlas->TexUvScale.x, (r->Y + 0.5f) * atlas->TexUvScale.y); 2688 } 2689 2690 static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas) 2691 { 2692 if (atlas->Flags & ImFontAtlasFlags_NoBakedLines) 2693 return; 2694 2695 // This generates a triangular shape in the texture, with the various line widths stacked on top of each other to allow interpolation between them 2696 ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdLines); 2697 IM_ASSERT(r->IsPacked()); 2698 for (unsigned int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row 2699 { 2700 // Each line consists of at least two empty pixels at the ends, with a line of solid pixels in the middle 2701 unsigned int y = n; 2702 unsigned int line_width = n; 2703 unsigned int pad_left = (r->Width - line_width) / 2; 2704 unsigned int pad_right = r->Width - (pad_left + line_width); 2705 2706 // Write each slice 2707 IM_ASSERT(pad_left + line_width + pad_right == r->Width && y < r->Height); // Make sure we're inside the texture bounds before we start writing pixels 2708 if (atlas->TexPixelsAlpha8 != NULL) 2709 { 2710 unsigned char* write_ptr = &atlas->TexPixelsAlpha8[r->X + ((r->Y + y) * atlas->TexWidth)]; 2711 for (unsigned int i = 0; i < pad_left; i++) 2712 *(write_ptr + i) = 0x00; 2713 2714 for (unsigned int i = 0; i < line_width; i++) 2715 *(write_ptr + pad_left + i) = 0xFF; 2716 2717 for (unsigned int i = 0; i < pad_right; i++) 2718 *(write_ptr + pad_left + line_width + i) = 0x00; 2719 } 2720 else 2721 { 2722 unsigned int* write_ptr = &atlas->TexPixelsRGBA32[r->X + ((r->Y + y) * atlas->TexWidth)]; 2723 for (unsigned int i = 0; i < pad_left; i++) 2724 *(write_ptr + i) = IM_COL32_BLACK_TRANS; 2725 2726 for (unsigned int i = 0; i < line_width; i++) 2727 *(write_ptr + pad_left + i) = IM_COL32_WHITE; 2728 2729 for (unsigned int i = 0; i < pad_right; i++) 2730 *(write_ptr + pad_left + line_width + i) = IM_COL32_BLACK_TRANS; 2731 } 2732 2733 // Calculate UVs for this line 2734 ImVec2 uv0 = ImVec2((float)(r->X + pad_left - 1), (float)(r->Y + y)) * atlas->TexUvScale; 2735 ImVec2 uv1 = ImVec2((float)(r->X + pad_left + line_width + 1), (float)(r->Y + y + 1)) * atlas->TexUvScale; 2736 float half_v = (uv0.y + uv1.y) * 0.5f; // Calculate a constant V in the middle of the row to avoid sampling artifacts 2737 atlas->TexUvLines[n] = ImVec4(uv0.x, half_v, uv1.x, half_v); 2738 } 2739 } 2740 2741 // Note: this is called / shared by both the stb_truetype and the FreeType builder 2742 void ImFontAtlasBuildInit(ImFontAtlas* atlas) 2743 { 2744 // Register texture region for mouse cursors or standard white pixels 2745 if (atlas->PackIdMouseCursors < 0) 2746 { 2747 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) 2748 atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H); 2749 else 2750 atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(2, 2); 2751 } 2752 2753 // Register texture region for thick lines 2754 // The +2 here is to give space for the end caps, whilst height +1 is to accommodate the fact we have a zero-width row 2755 if (atlas->PackIdLines < 0) 2756 { 2757 if (!(atlas->Flags & ImFontAtlasFlags_NoBakedLines)) 2758 atlas->PackIdLines = atlas->AddCustomRectRegular(IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 2, IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1); 2759 } 2760 } 2761 2762 // This is called/shared by both the stb_truetype and the FreeType builder. 2763 void ImFontAtlasBuildFinish(ImFontAtlas* atlas) 2764 { 2765 // Render into our custom data blocks 2766 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL || atlas->TexPixelsRGBA32 != NULL); 2767 ImFontAtlasBuildRenderDefaultTexData(atlas); 2768 ImFontAtlasBuildRenderLinesTexData(atlas); 2769 2770 // Register custom rectangle glyphs 2771 for (int i = 0; i < atlas->CustomRects.Size; i++) 2772 { 2773 const ImFontAtlasCustomRect* r = &atlas->CustomRects[i]; 2774 if (r->Font == NULL || r->GlyphID == 0) 2775 continue; 2776 2777 // Will ignore ImFontConfig settings: GlyphMinAdvanceX, GlyphMinAdvanceY, GlyphExtraSpacing, PixelSnapH 2778 IM_ASSERT(r->Font->ContainerAtlas == atlas); 2779 ImVec2 uv0, uv1; 2780 atlas->CalcCustomRectUV(r, &uv0, &uv1); 2781 r->Font->AddGlyph(NULL, (ImWchar)r->GlyphID, 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); 2782 } 2783 2784 // Build all fonts lookup tables 2785 for (int i = 0; i < atlas->Fonts.Size; i++) 2786 if (atlas->Fonts[i]->DirtyLookupTables) 2787 atlas->Fonts[i]->BuildLookupTable(); 2788 2789 // Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis). 2790 // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character. 2791 // FIXME: Also note that 0x2026 is currently seldom included in our font ranges. Because of this we are more likely to use three individual dots. 2792 for (int i = 0; i < atlas->Fonts.size(); i++) 2793 { 2794 ImFont* font = atlas->Fonts[i]; 2795 if (font->EllipsisChar != (ImWchar)-1) 2796 continue; 2797 const ImWchar ellipsis_variants[] = { (ImWchar)0x2026, (ImWchar)0x0085 }; 2798 for (int j = 0; j < IM_ARRAYSIZE(ellipsis_variants); j++) 2799 if (font->FindGlyphNoFallback(ellipsis_variants[j]) != NULL) // Verify glyph exists 2800 { 2801 font->EllipsisChar = ellipsis_variants[j]; 2802 break; 2803 } 2804 } 2805 } 2806 2807 // Retrieve list of range (2 int per range, values are inclusive) 2808 const ImWchar* ImFontAtlas::GetGlyphRangesDefault() 2809 { 2810 static const ImWchar ranges[] = 2811 { 2812 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2813 0, 2814 }; 2815 return &ranges[0]; 2816 } 2817 2818 const ImWchar* ImFontAtlas::GetGlyphRangesKorean() 2819 { 2820 static const ImWchar ranges[] = 2821 { 2822 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2823 0x3131, 0x3163, // Korean alphabets 2824 0xAC00, 0xD7A3, // Korean characters 2825 0, 2826 }; 2827 return &ranges[0]; 2828 } 2829 2830 const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull() 2831 { 2832 static const ImWchar ranges[] = 2833 { 2834 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2835 0x2000, 0x206F, // General Punctuation 2836 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 2837 0x31F0, 0x31FF, // Katakana Phonetic Extensions 2838 0xFF00, 0xFFEF, // Half-width characters 2839 0x4e00, 0x9FAF, // CJK Ideograms 2840 0, 2841 }; 2842 return &ranges[0]; 2843 } 2844 2845 static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges) 2846 { 2847 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2) 2848 { 2849 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]); 2850 base_codepoint += accumulative_offsets[n]; 2851 } 2852 out_ranges[0] = 0; 2853 } 2854 2855 //------------------------------------------------------------------------- 2856 // [SECTION] ImFontAtlas glyph ranges helpers 2857 //------------------------------------------------------------------------- 2858 2859 const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon() 2860 { 2861 // Store 2500 regularly used characters for Simplified Chinese. 2862 // 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 2863 // This table covers 97.97% of all characters used during the month in July, 1987. 2864 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. 2865 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) 2866 static const short accumulative_offsets_from_0x4E00[] = 2867 { 2868 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, 2869 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, 2870 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, 2871 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, 2872 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, 2873 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, 2874 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, 2875 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, 2876 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, 2877 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, 2878 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, 2879 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, 2880 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, 2881 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, 2882 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, 2883 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, 2884 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, 2885 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, 2886 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, 2887 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, 2888 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, 2889 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, 2890 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, 2891 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, 2892 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, 2893 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, 2894 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, 2895 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, 2896 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, 2897 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, 2898 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, 2899 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, 2900 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, 2901 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, 2902 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, 2903 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, 2904 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, 2905 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, 2906 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, 2907 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 2908 }; 2909 static ImWchar base_ranges[] = // not zero-terminated 2910 { 2911 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2912 0x2000, 0x206F, // General Punctuation 2913 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 2914 0x31F0, 0x31FF, // Katakana Phonetic Extensions 2915 0xFF00, 0xFFEF // Half-width characters 2916 }; 2917 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 }; 2918 if (!full_ranges[0]) 2919 { 2920 memcpy(full_ranges, base_ranges, sizeof(base_ranges)); 2921 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); 2922 } 2923 return &full_ranges[0]; 2924 } 2925 2926 const ImWchar* ImFontAtlas::GetGlyphRangesJapanese() 2927 { 2928 // 2999 ideograms code points for Japanese 2929 // - 2136 Joyo (meaning "for regular use" or "for common use") Kanji code points 2930 // - 863 Jinmeiyo (meaning "for personal name") Kanji code points 2931 // - Sourced from the character information database of the Information-technology Promotion Agency, Japan 2932 // - https://mojikiban.ipa.go.jp/mji/ 2933 // - Available under the terms of the Creative Commons Attribution-ShareAlike 2.1 Japan (CC BY-SA 2.1 JP). 2934 // - https://creativecommons.org/licenses/by-sa/2.1/jp/deed.en 2935 // - https://creativecommons.org/licenses/by-sa/2.1/jp/legalcode 2936 // - You can generate this code by the script at: 2937 // - https://github.com/vaiorabbit/everyday_use_kanji 2938 // - References: 2939 // - List of Joyo Kanji 2940 // - (Official list by the Agency for Cultural Affairs) https://www.bunka.go.jp/kokugo_nihongo/sisaku/joho/joho/kakuki/14/tosin02/index.html 2941 // - (Wikipedia) https://en.wikipedia.org/wiki/List_of_j%C5%8Dy%C5%8D_kanji 2942 // - List of Jinmeiyo Kanji 2943 // - (Official list by the Ministry of Justice) http://www.moj.go.jp/MINJI/minji86.html 2944 // - (Wikipedia) https://en.wikipedia.org/wiki/Jinmeiy%C5%8D_kanji 2945 // - Missing 1 Joyo Kanji: U+20B9F (Kun'yomi: Shikaru, On'yomi: Shitsu,shichi), see https://github.com/ocornut/imgui/pull/3627 for details. 2946 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. 2947 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) 2948 static const short accumulative_offsets_from_0x4E00[] = 2949 { 2950 0,1,2,4,1,1,1,1,2,1,3,3,2,2,1,5,3,5,7,5,6,1,2,1,7,2,6,3,1,8,1,1,4,1,1,18,2,11,2,6,2,1,2,1,5,1,2,1,3,1,2,1,2,3,3,1,1,2,3,1,1,1,12,7,9,1,4,5,1, 2951 1,2,1,10,1,1,9,2,2,4,5,6,9,3,1,1,1,1,9,3,18,5,2,2,2,2,1,6,3,7,1,1,1,1,2,2,4,2,1,23,2,10,4,3,5,2,4,10,2,4,13,1,6,1,9,3,1,1,6,6,7,6,3,1,2,11,3, 2952 2,2,3,2,15,2,2,5,4,3,6,4,1,2,5,2,12,16,6,13,9,13,2,1,1,7,16,4,7,1,19,1,5,1,2,2,7,7,8,2,6,5,4,9,18,7,4,5,9,13,11,8,15,2,1,1,1,2,1,2,2,1,2,2,8, 2953 2,9,3,3,1,1,4,4,1,1,1,4,9,1,4,3,5,5,2,7,5,3,4,8,2,1,13,2,3,3,1,14,1,1,4,5,1,3,6,1,5,2,1,1,3,3,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1,1,1,1,12,3,3,9,5, 2954 2,6,1,5,6,1,2,3,18,2,4,14,4,1,3,6,1,1,6,3,5,5,3,2,2,2,2,12,3,1,4,2,3,2,3,11,1,7,4,1,2,1,3,17,1,9,1,24,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,2,4,15,1, 2955 1,2,1,1,2,1,5,2,5,20,2,5,9,1,10,8,7,6,1,1,1,1,1,1,6,2,1,2,8,1,1,1,1,5,1,1,3,1,1,1,1,3,1,1,12,4,1,3,1,1,1,1,1,10,3,1,7,5,13,1,2,3,4,6,1,1,30, 2956 2,9,9,1,15,38,11,3,1,8,24,7,1,9,8,10,2,1,9,31,2,13,6,2,9,4,49,5,2,15,2,1,10,2,1,1,1,2,2,6,15,30,35,3,14,18,8,1,16,10,28,12,19,45,38,1,3,2,3, 2957 13,2,1,7,3,6,5,3,4,3,1,5,7,8,1,5,3,18,5,3,6,1,21,4,24,9,24,40,3,14,3,21,3,2,1,2,4,2,3,1,15,15,6,5,1,1,3,1,5,6,1,9,7,3,3,2,1,4,3,8,21,5,16,4, 2958 5,2,10,11,11,3,6,3,2,9,3,6,13,1,2,1,1,1,1,11,12,6,6,1,4,2,6,5,2,1,1,3,3,6,13,3,1,1,5,1,2,3,3,14,2,1,2,2,2,5,1,9,5,1,1,6,12,3,12,3,4,13,2,14, 2959 2,8,1,17,5,1,16,4,2,2,21,8,9,6,23,20,12,25,19,9,38,8,3,21,40,25,33,13,4,3,1,4,1,2,4,1,2,5,26,2,1,1,2,1,3,6,2,1,1,1,1,1,1,2,3,1,1,1,9,2,3,1,1, 2960 1,3,6,3,2,1,1,6,6,1,8,2,2,2,1,4,1,2,3,2,7,3,2,4,1,2,1,2,2,1,1,1,1,1,3,1,2,5,4,10,9,4,9,1,1,1,1,1,1,5,3,2,1,6,4,9,6,1,10,2,31,17,8,3,7,5,40,1, 2961 7,7,1,6,5,2,10,7,8,4,15,39,25,6,28,47,18,10,7,1,3,1,1,2,1,1,1,3,3,3,1,1,1,3,4,2,1,4,1,3,6,10,7,8,6,2,2,1,3,3,2,5,8,7,9,12,2,15,1,1,4,1,2,1,1, 2962 1,3,2,1,3,3,5,6,2,3,2,10,1,4,2,8,1,1,1,11,6,1,21,4,16,3,1,3,1,4,2,3,6,5,1,3,1,1,3,3,4,6,1,1,10,4,2,7,10,4,7,4,2,9,4,3,1,1,1,4,1,8,3,4,1,3,1, 2963 6,1,4,2,1,4,7,2,1,8,1,4,5,1,1,2,2,4,6,2,7,1,10,1,1,3,4,11,10,8,21,4,6,1,3,5,2,1,2,28,5,5,2,3,13,1,2,3,1,4,2,1,5,20,3,8,11,1,3,3,3,1,8,10,9,2, 2964 10,9,2,3,1,1,2,4,1,8,3,6,1,7,8,6,11,1,4,29,8,4,3,1,2,7,13,1,4,1,6,2,6,12,12,2,20,3,2,3,6,4,8,9,2,7,34,5,1,18,6,1,1,4,4,5,7,9,1,2,2,4,3,4,1,7, 2965 2,2,2,6,2,3,25,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,5,3,4,4,3,2,1,1,4,1,2,1,1,3,1,11,1,6,3,1,7,3,6,2,8,8,6,9,3,4,11,3,2,10,12,2,5,11,1,6,4,5, 2966 3,1,8,5,4,6,6,3,5,1,1,3,2,1,2,2,6,17,12,1,10,1,6,12,1,6,6,19,9,6,16,1,13,4,4,15,7,17,6,11,9,15,12,6,7,2,1,2,2,15,9,3,21,4,6,49,18,7,3,2,3,1, 2967 6,8,2,2,6,2,9,1,3,6,4,4,1,2,16,2,5,2,1,6,2,3,5,3,1,2,5,1,2,1,9,3,1,8,6,4,8,11,3,1,1,1,1,3,1,13,8,4,1,3,2,2,1,4,1,11,1,5,2,1,5,2,5,8,6,1,1,7, 2968 4,3,8,3,2,7,2,1,5,1,5,2,4,7,6,2,8,5,1,11,4,5,3,6,18,1,2,13,3,3,1,21,1,1,4,1,4,1,1,1,8,1,2,2,7,1,2,4,2,2,9,2,1,1,1,4,3,6,3,12,5,1,1,1,5,6,3,2, 2969 4,8,2,2,4,2,7,1,8,9,5,2,3,2,1,3,2,13,7,14,6,5,1,1,2,1,4,2,23,2,1,1,6,3,1,4,1,15,3,1,7,3,9,14,1,3,1,4,1,1,5,8,1,3,8,3,8,15,11,4,14,4,4,2,5,5, 2970 1,7,1,6,14,7,7,8,5,15,4,8,6,5,6,2,1,13,1,20,15,11,9,2,5,6,2,11,2,6,2,5,1,5,8,4,13,19,25,4,1,1,11,1,34,2,5,9,14,6,2,2,6,1,1,14,1,3,14,13,1,6, 2971 12,21,14,14,6,32,17,8,32,9,28,1,2,4,11,8,3,1,14,2,5,15,1,1,1,1,3,6,4,1,3,4,11,3,1,1,11,30,1,5,1,4,1,5,8,1,1,3,2,4,3,17,35,2,6,12,17,3,1,6,2, 2972 1,1,12,2,7,3,3,2,1,16,2,8,3,6,5,4,7,3,3,8,1,9,8,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,4,3,7,5,8,3,3,3,3,3,3,1,23,10,3,1,2,2,6,3,1,16,1,16, 2973 22,3,10,4,11,6,9,7,7,3,6,2,2,2,4,10,2,1,1,2,8,7,1,6,4,1,3,3,3,5,10,12,12,2,3,12,8,15,1,1,16,6,6,1,5,9,11,4,11,4,2,6,12,1,17,5,13,1,4,9,5,1,11, 2974 2,1,8,1,5,7,28,8,3,5,10,2,17,3,38,22,1,2,18,12,10,4,38,18,1,4,44,19,4,1,8,4,1,12,1,4,31,12,1,14,7,75,7,5,10,6,6,13,3,2,11,11,3,2,5,28,15,6,18, 2975 18,5,6,4,3,16,1,7,18,7,36,3,5,3,1,7,1,9,1,10,7,2,4,2,6,2,9,7,4,3,32,12,3,7,10,2,23,16,3,1,12,3,31,4,11,1,3,8,9,5,1,30,15,6,12,3,2,2,11,19,9, 2976 14,2,6,2,3,19,13,17,5,3,3,25,3,14,1,1,1,36,1,3,2,19,3,13,36,9,13,31,6,4,16,34,2,5,4,2,3,3,5,1,1,1,4,3,1,17,3,2,3,5,3,1,3,2,3,5,6,3,12,11,1,3, 2977 1,2,26,7,12,7,2,14,3,3,7,7,11,25,25,28,16,4,36,1,2,1,6,2,1,9,3,27,17,4,3,4,13,4,1,3,2,2,1,10,4,2,4,6,3,8,2,1,18,1,1,24,2,2,4,33,2,3,63,7,1,6, 2978 40,7,3,4,4,2,4,15,18,1,16,1,1,11,2,41,14,1,3,18,13,3,2,4,16,2,17,7,15,24,7,18,13,44,2,2,3,6,1,1,7,5,1,7,1,4,3,3,5,10,8,2,3,1,8,1,1,27,4,2,1, 2979 12,1,2,1,10,6,1,6,7,5,2,3,7,11,5,11,3,6,6,2,3,15,4,9,1,1,2,1,2,11,2,8,12,8,5,4,2,3,1,5,2,2,1,14,1,12,11,4,1,11,17,17,4,3,2,5,5,7,3,1,5,9,9,8, 2980 2,5,6,6,13,13,2,1,2,6,1,2,2,49,4,9,1,2,10,16,7,8,4,3,2,23,4,58,3,29,1,14,19,19,11,11,2,7,5,1,3,4,6,2,18,5,12,12,17,17,3,3,2,4,1,6,2,3,4,3,1, 2981 1,1,1,5,1,1,9,1,3,1,3,6,1,8,1,1,2,6,4,14,3,1,4,11,4,1,3,32,1,2,4,13,4,1,2,4,2,1,3,1,11,1,4,2,1,4,4,6,3,5,1,6,5,7,6,3,23,3,5,3,5,3,3,13,3,9,10, 2982 1,12,10,2,3,18,13,7,160,52,4,2,2,3,2,14,5,4,12,4,6,4,1,20,4,11,6,2,12,27,1,4,1,2,2,7,4,5,2,28,3,7,25,8,3,19,3,6,10,2,2,1,10,2,5,4,1,3,4,1,5, 2983 3,2,6,9,3,6,2,16,3,3,16,4,5,5,3,2,1,2,16,15,8,2,6,21,2,4,1,22,5,8,1,1,21,11,2,1,11,11,19,13,12,4,2,3,2,3,6,1,8,11,1,4,2,9,5,2,1,11,2,9,1,1,2, 2984 14,31,9,3,4,21,14,4,8,1,7,2,2,2,5,1,4,20,3,3,4,10,1,11,9,8,2,1,4,5,14,12,14,2,17,9,6,31,4,14,1,20,13,26,5,2,7,3,6,13,2,4,2,19,6,2,2,18,9,3,5, 2985 12,12,14,4,6,2,3,6,9,5,22,4,5,25,6,4,8,5,2,6,27,2,35,2,16,3,7,8,8,6,6,5,9,17,2,20,6,19,2,13,3,1,1,1,4,17,12,2,14,7,1,4,18,12,38,33,2,10,1,1, 2986 2,13,14,17,11,50,6,33,20,26,74,16,23,45,50,13,38,33,6,6,7,4,4,2,1,3,2,5,8,7,8,9,3,11,21,9,13,1,3,10,6,7,1,2,2,18,5,5,1,9,9,2,68,9,19,13,2,5, 2987 1,4,4,7,4,13,3,9,10,21,17,3,26,2,1,5,2,4,5,4,1,7,4,7,3,4,2,1,6,1,1,20,4,1,9,2,2,1,3,3,2,3,2,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,3,2,10,3,5,3,4,4, 2988 3,4,16,1,6,1,10,2,4,2,1,1,2,10,11,2,2,3,1,24,31,4,10,10,2,5,12,16,164,15,4,16,7,9,15,19,17,1,2,1,1,5,1,1,1,1,1,3,1,4,3,1,3,1,3,1,2,1,1,3,3,7, 2989 2,8,1,2,2,2,1,3,4,3,7,8,12,92,2,10,3,1,3,14,5,25,16,42,4,7,7,4,2,21,5,27,26,27,21,25,30,31,2,1,5,13,3,22,5,6,6,11,9,12,1,5,9,7,5,5,22,60,3,5, 2990 13,1,1,8,1,1,3,3,2,1,9,3,3,18,4,1,2,3,7,6,3,1,2,3,9,1,3,1,3,2,1,3,1,1,1,2,1,11,3,1,6,9,1,3,2,3,1,2,1,5,1,1,4,3,4,1,2,2,4,4,1,7,2,1,2,2,3,5,13, 2991 18,3,4,14,9,9,4,16,3,7,5,8,2,6,48,28,3,1,1,4,2,14,8,2,9,2,1,15,2,4,3,2,10,16,12,8,7,1,1,3,1,1,1,2,7,4,1,6,4,38,39,16,23,7,15,15,3,2,12,7,21, 2992 37,27,6,5,4,8,2,10,8,8,6,5,1,2,1,3,24,1,16,17,9,23,10,17,6,1,51,55,44,13,294,9,3,6,2,4,2,2,15,1,1,1,13,21,17,68,14,8,9,4,1,4,9,3,11,7,1,1,1, 2993 5,6,3,2,1,1,1,2,3,8,1,2,2,4,1,5,5,2,1,4,3,7,13,4,1,4,1,3,1,1,1,5,5,10,1,6,1,5,2,1,5,2,4,1,4,5,7,3,18,2,9,11,32,4,3,3,2,4,7,11,16,9,11,8,13,38, 2994 32,8,4,2,1,1,2,1,2,4,4,1,1,1,4,1,21,3,11,1,16,1,1,6,1,3,2,4,9,8,57,7,44,1,3,3,13,3,10,1,1,7,5,2,7,21,47,63,3,15,4,7,1,16,1,1,2,8,2,3,42,15,4, 2995 1,29,7,22,10,3,78,16,12,20,18,4,67,11,5,1,3,15,6,21,31,32,27,18,13,71,35,5,142,4,10,1,2,50,19,33,16,35,37,16,19,27,7,1,133,19,1,4,8,7,20,1,4, 2996 4,1,10,3,1,6,1,2,51,5,40,15,24,43,22928,11,1,13,154,70,3,1,1,7,4,10,1,2,1,1,2,1,2,1,2,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1, 2997 3,2,1,1,1,1,2,1,1, 2998 }; 2999 static ImWchar base_ranges[] = // not zero-terminated 3000 { 3001 0x0020, 0x00FF, // Basic Latin + Latin Supplement 3002 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 3003 0x31F0, 0x31FF, // Katakana Phonetic Extensions 3004 0xFF00, 0xFFEF // Half-width characters 3005 }; 3006 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 }; 3007 if (!full_ranges[0]) 3008 { 3009 memcpy(full_ranges, base_ranges, sizeof(base_ranges)); 3010 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); 3011 } 3012 return &full_ranges[0]; 3013 } 3014 3015 const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic() 3016 { 3017 static const ImWchar ranges[] = 3018 { 3019 0x0020, 0x00FF, // Basic Latin + Latin Supplement 3020 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement 3021 0x2DE0, 0x2DFF, // Cyrillic Extended-A 3022 0xA640, 0xA69F, // Cyrillic Extended-B 3023 0, 3024 }; 3025 return &ranges[0]; 3026 } 3027 3028 const ImWchar* ImFontAtlas::GetGlyphRangesThai() 3029 { 3030 static const ImWchar ranges[] = 3031 { 3032 0x0020, 0x00FF, // Basic Latin 3033 0x2010, 0x205E, // Punctuations 3034 0x0E00, 0x0E7F, // Thai 3035 0, 3036 }; 3037 return &ranges[0]; 3038 } 3039 3040 const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese() 3041 { 3042 static const ImWchar ranges[] = 3043 { 3044 0x0020, 0x00FF, // Basic Latin 3045 0x0102, 0x0103, 3046 0x0110, 0x0111, 3047 0x0128, 0x0129, 3048 0x0168, 0x0169, 3049 0x01A0, 0x01A1, 3050 0x01AF, 0x01B0, 3051 0x1EA0, 0x1EF9, 3052 0, 3053 }; 3054 return &ranges[0]; 3055 } 3056 3057 //----------------------------------------------------------------------------- 3058 // [SECTION] ImFontGlyphRangesBuilder 3059 //----------------------------------------------------------------------------- 3060 3061 void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end) 3062 { 3063 while (text_end ? (text < text_end) : *text) 3064 { 3065 unsigned int c = 0; 3066 int c_len = ImTextCharFromUtf8(&c, text, text_end); 3067 text += c_len; 3068 if (c_len == 0) 3069 break; 3070 AddChar((ImWchar)c); 3071 } 3072 } 3073 3074 void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges) 3075 { 3076 for (; ranges[0]; ranges += 2) 3077 for (ImWchar c = ranges[0]; c <= ranges[1]; c++) 3078 AddChar(c); 3079 } 3080 3081 void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges) 3082 { 3083 const int max_codepoint = IM_UNICODE_CODEPOINT_MAX; 3084 for (int n = 0; n <= max_codepoint; n++) 3085 if (GetBit(n)) 3086 { 3087 out_ranges->push_back((ImWchar)n); 3088 while (n < max_codepoint && GetBit(n + 1)) 3089 n++; 3090 out_ranges->push_back((ImWchar)n); 3091 } 3092 out_ranges->push_back(0); 3093 } 3094 3095 //----------------------------------------------------------------------------- 3096 // [SECTION] ImFont 3097 //----------------------------------------------------------------------------- 3098 3099 ImFont::ImFont() 3100 { 3101 FontSize = 0.0f; 3102 FallbackAdvanceX = 0.0f; 3103 FallbackChar = (ImWchar)'?'; 3104 EllipsisChar = (ImWchar)-1; 3105 FallbackGlyph = NULL; 3106 ContainerAtlas = NULL; 3107 ConfigData = NULL; 3108 ConfigDataCount = 0; 3109 DirtyLookupTables = false; 3110 Scale = 1.0f; 3111 Ascent = Descent = 0.0f; 3112 MetricsTotalSurface = 0; 3113 memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); 3114 } 3115 3116 ImFont::~ImFont() 3117 { 3118 ClearOutputData(); 3119 } 3120 3121 void ImFont::ClearOutputData() 3122 { 3123 FontSize = 0.0f; 3124 FallbackAdvanceX = 0.0f; 3125 Glyphs.clear(); 3126 IndexAdvanceX.clear(); 3127 IndexLookup.clear(); 3128 FallbackGlyph = NULL; 3129 ContainerAtlas = NULL; 3130 DirtyLookupTables = true; 3131 Ascent = Descent = 0.0f; 3132 MetricsTotalSurface = 0; 3133 } 3134 3135 void ImFont::BuildLookupTable() 3136 { 3137 int max_codepoint = 0; 3138 for (int i = 0; i != Glyphs.Size; i++) 3139 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint); 3140 3141 // Build lookup table 3142 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved 3143 IndexAdvanceX.clear(); 3144 IndexLookup.clear(); 3145 DirtyLookupTables = false; 3146 memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); 3147 GrowIndex(max_codepoint + 1); 3148 for (int i = 0; i < Glyphs.Size; i++) 3149 { 3150 int codepoint = (int)Glyphs[i].Codepoint; 3151 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX; 3152 IndexLookup[codepoint] = (ImWchar)i; 3153 3154 // Mark 4K page as used 3155 const int page_n = codepoint / 4096; 3156 Used4kPagesMap[page_n >> 3] |= 1 << (page_n & 7); 3157 } 3158 3159 // Create a glyph to handle TAB 3160 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?) 3161 if (FindGlyph((ImWchar)' ')) 3162 { 3163 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky) 3164 Glyphs.resize(Glyphs.Size + 1); 3165 ImFontGlyph& tab_glyph = Glyphs.back(); 3166 tab_glyph = *FindGlyph((ImWchar)' '); 3167 tab_glyph.Codepoint = '\t'; 3168 tab_glyph.AdvanceX *= IM_TABSIZE; 3169 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX; 3170 IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size - 1); 3171 } 3172 3173 // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons) 3174 SetGlyphVisible((ImWchar)' ', false); 3175 SetGlyphVisible((ImWchar)'\t', false); 3176 3177 // Setup fall-backs 3178 FallbackGlyph = FindGlyphNoFallback(FallbackChar); 3179 FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f; 3180 for (int i = 0; i < max_codepoint + 1; i++) 3181 if (IndexAdvanceX[i] < 0.0f) 3182 IndexAdvanceX[i] = FallbackAdvanceX; 3183 } 3184 3185 // API is designed this way to avoid exposing the 4K page size 3186 // e.g. use with IsGlyphRangeUnused(0, 255) 3187 bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last) 3188 { 3189 unsigned int page_begin = (c_begin / 4096); 3190 unsigned int page_last = (c_last / 4096); 3191 for (unsigned int page_n = page_begin; page_n <= page_last; page_n++) 3192 if ((page_n >> 3) < sizeof(Used4kPagesMap)) 3193 if (Used4kPagesMap[page_n >> 3] & (1 << (page_n & 7))) 3194 return false; 3195 return true; 3196 } 3197 3198 void ImFont::SetGlyphVisible(ImWchar c, bool visible) 3199 { 3200 if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)c)) 3201 glyph->Visible = visible ? 1 : 0; 3202 } 3203 3204 void ImFont::SetFallbackChar(ImWchar c) 3205 { 3206 FallbackChar = c; 3207 BuildLookupTable(); 3208 } 3209 3210 void ImFont::GrowIndex(int new_size) 3211 { 3212 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size); 3213 if (new_size <= IndexLookup.Size) 3214 return; 3215 IndexAdvanceX.resize(new_size, -1.0f); 3216 IndexLookup.resize(new_size, (ImWchar)-1); 3217 } 3218 3219 // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. 3220 // 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). 3221 // 'cfg' is not necessarily == 'this->ConfigData' because multiple source fonts+configs can be used to build one target font. 3222 void ImFont::AddGlyph(const ImFontConfig* cfg, ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x) 3223 { 3224 if (cfg != NULL) 3225 { 3226 // Clamp & recenter if needed 3227 const float advance_x_original = advance_x; 3228 advance_x = ImClamp(advance_x, cfg->GlyphMinAdvanceX, cfg->GlyphMaxAdvanceX); 3229 if (advance_x != advance_x_original) 3230 { 3231 float char_off_x = cfg->PixelSnapH ? ImFloor((advance_x - advance_x_original) * 0.5f) : (advance_x - advance_x_original) * 0.5f; 3232 x0 += char_off_x; 3233 x1 += char_off_x; 3234 } 3235 3236 // Snap to pixel 3237 if (cfg->PixelSnapH) 3238 advance_x = IM_ROUND(advance_x); 3239 3240 // Bake spacing 3241 advance_x += cfg->GlyphExtraSpacing.x; 3242 } 3243 3244 Glyphs.resize(Glyphs.Size + 1); 3245 ImFontGlyph& glyph = Glyphs.back(); 3246 glyph.Codepoint = (unsigned int)codepoint; 3247 glyph.Visible = (x0 != x1) && (y0 != y1); 3248 glyph.Colored = false; 3249 glyph.X0 = x0; 3250 glyph.Y0 = y0; 3251 glyph.X1 = x1; 3252 glyph.Y1 = y1; 3253 glyph.U0 = u0; 3254 glyph.V0 = v0; 3255 glyph.U1 = u1; 3256 glyph.V1 = v1; 3257 glyph.AdvanceX = advance_x; 3258 3259 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round) 3260 // We use (U1-U0)*TexWidth instead of X1-X0 to account for oversampling. 3261 float pad = ContainerAtlas->TexGlyphPadding + 0.99f; 3262 DirtyLookupTables = true; 3263 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + pad) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + pad); 3264 } 3265 3266 void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst) 3267 { 3268 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function. 3269 unsigned int index_size = (unsigned int)IndexLookup.Size; 3270 3271 if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists 3272 return; 3273 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op 3274 return; 3275 3276 GrowIndex(dst + 1); 3277 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1; 3278 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f; 3279 } 3280 3281 const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const 3282 { 3283 if (c >= (size_t)IndexLookup.Size) 3284 return FallbackGlyph; 3285 const ImWchar i = IndexLookup.Data[c]; 3286 if (i == (ImWchar)-1) 3287 return FallbackGlyph; 3288 return &Glyphs.Data[i]; 3289 } 3290 3291 const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const 3292 { 3293 if (c >= (size_t)IndexLookup.Size) 3294 return NULL; 3295 const ImWchar i = IndexLookup.Data[c]; 3296 if (i == (ImWchar)-1) 3297 return NULL; 3298 return &Glyphs.Data[i]; 3299 } 3300 3301 const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const 3302 { 3303 // Simple word-wrapping for English, not full-featured. Please submit failing cases! 3304 // 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.) 3305 3306 // For references, possible wrap point marked with ^ 3307 // "aaa bbb, ccc,ddd. eee fff. ggg!" 3308 // ^ ^ ^ ^ ^__ ^ ^ 3309 3310 // List of hardcoded separators: .,;!?'" 3311 3312 // Skip extra blanks after a line returns (that includes not counting them in width computation) 3313 // e.g. "Hello world" --> "Hello" "World" 3314 3315 // Cut words that cannot possibly fit within one line. 3316 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish" 3317 3318 float line_width = 0.0f; 3319 float word_width = 0.0f; 3320 float blank_width = 0.0f; 3321 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters 3322 3323 const char* word_end = text; 3324 const char* prev_word_end = NULL; 3325 bool inside_word = true; 3326 3327 const char* s = text; 3328 while (s < text_end) 3329 { 3330 unsigned int c = (unsigned int)*s; 3331 const char* next_s; 3332 if (c < 0x80) 3333 next_s = s + 1; 3334 else 3335 next_s = s + ImTextCharFromUtf8(&c, s, text_end); 3336 if (c == 0) 3337 break; 3338 3339 if (c < 32) 3340 { 3341 if (c == '\n') 3342 { 3343 line_width = word_width = blank_width = 0.0f; 3344 inside_word = true; 3345 s = next_s; 3346 continue; 3347 } 3348 if (c == '\r') 3349 { 3350 s = next_s; 3351 continue; 3352 } 3353 } 3354 3355 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX); 3356 if (ImCharIsBlankW(c)) 3357 { 3358 if (inside_word) 3359 { 3360 line_width += blank_width; 3361 blank_width = 0.0f; 3362 word_end = s; 3363 } 3364 blank_width += char_width; 3365 inside_word = false; 3366 } 3367 else 3368 { 3369 word_width += char_width; 3370 if (inside_word) 3371 { 3372 word_end = next_s; 3373 } 3374 else 3375 { 3376 prev_word_end = word_end; 3377 line_width += word_width + blank_width; 3378 word_width = blank_width = 0.0f; 3379 } 3380 3381 // Allow wrapping after punctuation. 3382 inside_word = (c != '.' && c != ',' && c != ';' && c != '!' && c != '?' && c != '\"'); 3383 } 3384 3385 // We ignore blank width at the end of the line (they can be skipped) 3386 if (line_width + word_width > wrap_width) 3387 { 3388 // Words that cannot possibly fit within an entire line will be cut anywhere. 3389 if (word_width < wrap_width) 3390 s = prev_word_end ? prev_word_end : word_end; 3391 break; 3392 } 3393 3394 s = next_s; 3395 } 3396 3397 return s; 3398 } 3399 3400 ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const 3401 { 3402 if (!text_end) 3403 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this. 3404 3405 const float line_height = size; 3406 const float scale = size / FontSize; 3407 3408 ImVec2 text_size = ImVec2(0, 0); 3409 float line_width = 0.0f; 3410 3411 const bool word_wrap_enabled = (wrap_width > 0.0f); 3412 const char* word_wrap_eol = NULL; 3413 3414 const char* s = text_begin; 3415 while (s < text_end) 3416 { 3417 if (word_wrap_enabled) 3418 { 3419 // 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. 3420 if (!word_wrap_eol) 3421 { 3422 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width); 3423 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. 3424 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 3425 } 3426 3427 if (s >= word_wrap_eol) 3428 { 3429 if (text_size.x < line_width) 3430 text_size.x = line_width; 3431 text_size.y += line_height; 3432 line_width = 0.0f; 3433 word_wrap_eol = NULL; 3434 3435 // Wrapping skips upcoming blanks 3436 while (s < text_end) 3437 { 3438 const char c = *s; 3439 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } 3440 } 3441 continue; 3442 } 3443 } 3444 3445 // Decode and advance source 3446 const char* prev_s = s; 3447 unsigned int c = (unsigned int)*s; 3448 if (c < 0x80) 3449 { 3450 s += 1; 3451 } 3452 else 3453 { 3454 s += ImTextCharFromUtf8(&c, s, text_end); 3455 if (c == 0) // Malformed UTF-8? 3456 break; 3457 } 3458 3459 if (c < 32) 3460 { 3461 if (c == '\n') 3462 { 3463 text_size.x = ImMax(text_size.x, line_width); 3464 text_size.y += line_height; 3465 line_width = 0.0f; 3466 continue; 3467 } 3468 if (c == '\r') 3469 continue; 3470 } 3471 3472 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale; 3473 if (line_width + char_width >= max_width) 3474 { 3475 s = prev_s; 3476 break; 3477 } 3478 3479 line_width += char_width; 3480 } 3481 3482 if (text_size.x < line_width) 3483 text_size.x = line_width; 3484 3485 if (line_width > 0 || text_size.y == 0.0f) 3486 text_size.y += line_height; 3487 3488 if (remaining) 3489 *remaining = s; 3490 3491 return text_size; 3492 } 3493 3494 // Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound. 3495 void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const 3496 { 3497 const ImFontGlyph* glyph = FindGlyph(c); 3498 if (!glyph || !glyph->Visible) 3499 return; 3500 if (glyph->Colored) 3501 col |= ~IM_COL32_A_MASK; 3502 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f; 3503 pos.x = IM_FLOOR(pos.x); 3504 pos.y = IM_FLOOR(pos.y); 3505 draw_list->PrimReserve(6, 4); 3506 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); 3507 } 3508 3509 // Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound. 3510 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 3511 { 3512 if (!text_end) 3513 text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls. 3514 3515 // Align to be pixel perfect 3516 pos.x = IM_FLOOR(pos.x); 3517 pos.y = IM_FLOOR(pos.y); 3518 float x = pos.x; 3519 float y = pos.y; 3520 if (y > clip_rect.w) 3521 return; 3522 3523 const float scale = size / FontSize; 3524 const float line_height = FontSize * scale; 3525 const bool word_wrap_enabled = (wrap_width > 0.0f); 3526 const char* word_wrap_eol = NULL; 3527 3528 // Fast-forward to first visible line 3529 const char* s = text_begin; 3530 if (y + line_height < clip_rect.y && !word_wrap_enabled) 3531 while (y + line_height < clip_rect.y && s < text_end) 3532 { 3533 s = (const char*)memchr(s, '\n', text_end - s); 3534 s = s ? s + 1 : text_end; 3535 y += line_height; 3536 } 3537 3538 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve() 3539 // 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) 3540 if (text_end - s > 10000 && !word_wrap_enabled) 3541 { 3542 const char* s_end = s; 3543 float y_end = y; 3544 while (y_end < clip_rect.w && s_end < text_end) 3545 { 3546 s_end = (const char*)memchr(s_end, '\n', text_end - s_end); 3547 s_end = s_end ? s_end + 1 : text_end; 3548 y_end += line_height; 3549 } 3550 text_end = s_end; 3551 } 3552 if (s == text_end) 3553 return; 3554 3555 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized) 3556 const int vtx_count_max = (int)(text_end - s) * 4; 3557 const int idx_count_max = (int)(text_end - s) * 6; 3558 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max; 3559 draw_list->PrimReserve(idx_count_max, vtx_count_max); 3560 3561 ImDrawVert* vtx_write = draw_list->_VtxWritePtr; 3562 ImDrawIdx* idx_write = draw_list->_IdxWritePtr; 3563 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx; 3564 3565 const ImU32 col_untinted = col | ~IM_COL32_A_MASK; 3566 3567 while (s < text_end) 3568 { 3569 if (word_wrap_enabled) 3570 { 3571 // 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. 3572 if (!word_wrap_eol) 3573 { 3574 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x)); 3575 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. 3576 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 3577 } 3578 3579 if (s >= word_wrap_eol) 3580 { 3581 x = pos.x; 3582 y += line_height; 3583 word_wrap_eol = NULL; 3584 3585 // Wrapping skips upcoming blanks 3586 while (s < text_end) 3587 { 3588 const char c = *s; 3589 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } 3590 } 3591 continue; 3592 } 3593 } 3594 3595 // Decode and advance source 3596 unsigned int c = (unsigned int)*s; 3597 if (c < 0x80) 3598 { 3599 s += 1; 3600 } 3601 else 3602 { 3603 s += ImTextCharFromUtf8(&c, s, text_end); 3604 if (c == 0) // Malformed UTF-8? 3605 break; 3606 } 3607 3608 if (c < 32) 3609 { 3610 if (c == '\n') 3611 { 3612 x = pos.x; 3613 y += line_height; 3614 if (y > clip_rect.w) 3615 break; // break out of main loop 3616 continue; 3617 } 3618 if (c == '\r') 3619 continue; 3620 } 3621 3622 const ImFontGlyph* glyph = FindGlyph((ImWchar)c); 3623 if (glyph == NULL) 3624 continue; 3625 3626 float char_width = glyph->AdvanceX * scale; 3627 if (glyph->Visible) 3628 { 3629 // 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 3630 float x1 = x + glyph->X0 * scale; 3631 float x2 = x + glyph->X1 * scale; 3632 float y1 = y + glyph->Y0 * scale; 3633 float y2 = y + glyph->Y1 * scale; 3634 if (x1 <= clip_rect.z && x2 >= clip_rect.x) 3635 { 3636 // Render a character 3637 float u1 = glyph->U0; 3638 float v1 = glyph->V0; 3639 float u2 = glyph->U1; 3640 float v2 = glyph->V1; 3641 3642 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads. 3643 if (cpu_fine_clip) 3644 { 3645 if (x1 < clip_rect.x) 3646 { 3647 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1); 3648 x1 = clip_rect.x; 3649 } 3650 if (y1 < clip_rect.y) 3651 { 3652 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1); 3653 y1 = clip_rect.y; 3654 } 3655 if (x2 > clip_rect.z) 3656 { 3657 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1); 3658 x2 = clip_rect.z; 3659 } 3660 if (y2 > clip_rect.w) 3661 { 3662 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1); 3663 y2 = clip_rect.w; 3664 } 3665 if (y1 >= y2) 3666 { 3667 x += char_width; 3668 continue; 3669 } 3670 } 3671 3672 // Support for untinted glyphs 3673 ImU32 glyph_col = glyph->Colored ? col_untinted : col; 3674 3675 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here: 3676 { 3677 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2); 3678 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3); 3679 vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = glyph_col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1; 3680 vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = glyph_col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1; 3681 vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = glyph_col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2; 3682 vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = glyph_col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2; 3683 vtx_write += 4; 3684 vtx_current_idx += 4; 3685 idx_write += 6; 3686 } 3687 } 3688 } 3689 x += char_width; 3690 } 3691 3692 // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action. 3693 draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink() 3694 draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data); 3695 draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size); 3696 draw_list->_VtxWritePtr = vtx_write; 3697 draw_list->_IdxWritePtr = idx_write; 3698 draw_list->_VtxCurrentIdx = vtx_current_idx; 3699 } 3700 3701 //----------------------------------------------------------------------------- 3702 // [SECTION] ImGui Internal Render Helpers 3703 //----------------------------------------------------------------------------- 3704 // Vaguely redesigned to stop accessing ImGui global state: 3705 // - RenderArrow() 3706 // - RenderBullet() 3707 // - RenderCheckMark() 3708 // - RenderMouseCursor() 3709 // - RenderArrowPointingAt() 3710 // - RenderRectFilledRangeH() 3711 //----------------------------------------------------------------------------- 3712 // Function in need of a redesign (legacy mess) 3713 // - RenderColorRectWithAlphaCheckerboard() 3714 //----------------------------------------------------------------------------- 3715 3716 // Render an arrow aimed to be aligned with text (p_min is a position in the same space text would be positioned). To e.g. denote expanded/collapsed state 3717 void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale) 3718 { 3719 const float h = draw_list->_Data->FontSize * 1.00f; 3720 float r = h * 0.40f * scale; 3721 ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale); 3722 3723 ImVec2 a, b, c; 3724 switch (dir) 3725 { 3726 case ImGuiDir_Up: 3727 case ImGuiDir_Down: 3728 if (dir == ImGuiDir_Up) r = -r; 3729 a = ImVec2(+0.000f, +0.750f) * r; 3730 b = ImVec2(-0.866f, -0.750f) * r; 3731 c = ImVec2(+0.866f, -0.750f) * r; 3732 break; 3733 case ImGuiDir_Left: 3734 case ImGuiDir_Right: 3735 if (dir == ImGuiDir_Left) r = -r; 3736 a = ImVec2(+0.750f, +0.000f) * r; 3737 b = ImVec2(-0.750f, +0.866f) * r; 3738 c = ImVec2(-0.750f, -0.866f) * r; 3739 break; 3740 case ImGuiDir_None: 3741 case ImGuiDir_COUNT: 3742 IM_ASSERT(0); 3743 break; 3744 } 3745 draw_list->AddTriangleFilled(center + a, center + b, center + c, col); 3746 } 3747 3748 void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col) 3749 { 3750 draw_list->AddCircleFilled(pos, draw_list->_Data->FontSize * 0.20f, col, 8); 3751 } 3752 3753 void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz) 3754 { 3755 float thickness = ImMax(sz / 5.0f, 1.0f); 3756 sz -= thickness * 0.5f; 3757 pos += ImVec2(thickness * 0.25f, thickness * 0.25f); 3758 3759 float third = sz / 3.0f; 3760 float bx = pos.x + third; 3761 float by = pos.y + sz - third * 0.5f; 3762 draw_list->PathLineTo(ImVec2(bx - third, by - third)); 3763 draw_list->PathLineTo(ImVec2(bx, by)); 3764 draw_list->PathLineTo(ImVec2(bx + third * 2.0f, by - third * 2.0f)); 3765 draw_list->PathStroke(col, 0, thickness); 3766 } 3767 3768 void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow) 3769 { 3770 if (mouse_cursor == ImGuiMouseCursor_None) 3771 return; 3772 IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT); 3773 3774 ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas; 3775 ImVec2 offset, size, uv[4]; 3776 if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2])) 3777 { 3778 pos -= offset; 3779 ImTextureID tex_id = font_atlas->TexID; 3780 draw_list->PushTextureID(tex_id); 3781 draw_list->AddImage(tex_id, pos + ImVec2(1, 0) * scale, pos + (ImVec2(1, 0) + size) * scale, uv[2], uv[3], col_shadow); 3782 draw_list->AddImage(tex_id, pos + ImVec2(2, 0) * scale, pos + (ImVec2(2, 0) + size) * scale, uv[2], uv[3], col_shadow); 3783 draw_list->AddImage(tex_id, pos, pos + size * scale, uv[2], uv[3], col_border); 3784 draw_list->AddImage(tex_id, pos, pos + size * scale, uv[0], uv[1], col_fill); 3785 draw_list->PopTextureID(); 3786 } 3787 } 3788 3789 // 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. 3790 void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col) 3791 { 3792 switch (direction) 3793 { 3794 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; 3795 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; 3796 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; 3797 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; 3798 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings 3799 } 3800 } 3801 3802 static inline float ImAcos01(float x) 3803 { 3804 if (x <= 0.0f) return IM_PI * 0.5f; 3805 if (x >= 1.0f) return 0.0f; 3806 return ImAcos(x); 3807 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do. 3808 } 3809 3810 // FIXME: Cleanup and move code to ImDrawList. 3811 void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding) 3812 { 3813 if (x_end_norm == x_start_norm) 3814 return; 3815 if (x_start_norm > x_end_norm) 3816 ImSwap(x_start_norm, x_end_norm); 3817 3818 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y); 3819 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y); 3820 if (rounding == 0.0f) 3821 { 3822 draw_list->AddRectFilled(p0, p1, col, 0.0f); 3823 return; 3824 } 3825 3826 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding); 3827 const float inv_rounding = 1.0f / rounding; 3828 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding); 3829 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding); 3830 const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return. 3831 const float x0 = ImMax(p0.x, rect.Min.x + rounding); 3832 if (arc0_b == arc0_e) 3833 { 3834 draw_list->PathLineTo(ImVec2(x0, p1.y)); 3835 draw_list->PathLineTo(ImVec2(x0, p0.y)); 3836 } 3837 else if (arc0_b == 0.0f && arc0_e == half_pi) 3838 { 3839 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL 3840 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR 3841 } 3842 else 3843 { 3844 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL 3845 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR 3846 } 3847 if (p1.x > rect.Min.x + rounding) 3848 { 3849 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding); 3850 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding); 3851 const float x1 = ImMin(p1.x, rect.Max.x - rounding); 3852 if (arc1_b == arc1_e) 3853 { 3854 draw_list->PathLineTo(ImVec2(x1, p0.y)); 3855 draw_list->PathLineTo(ImVec2(x1, p1.y)); 3856 } 3857 else if (arc1_b == 0.0f && arc1_e == half_pi) 3858 { 3859 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR 3860 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR 3861 } 3862 else 3863 { 3864 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR 3865 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR 3866 } 3867 } 3868 draw_list->PathFillConvex(col); 3869 } 3870 3871 void ImGui::RenderRectFilledWithHole(ImDrawList* draw_list, ImRect outer, ImRect inner, ImU32 col, float rounding) 3872 { 3873 const bool fill_L = (inner.Min.x > outer.Min.x); 3874 const bool fill_R = (inner.Max.x < outer.Max.x); 3875 const bool fill_U = (inner.Min.y > outer.Min.y); 3876 const bool fill_D = (inner.Max.y < outer.Max.y); 3877 if (fill_L) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Min.y), ImVec2(inner.Min.x, inner.Max.y), col, rounding, (fill_U ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomLeft)); 3878 if (fill_R) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Min.y), ImVec2(outer.Max.x, inner.Max.y), col, rounding, (fill_U ? 0 : ImDrawFlags_RoundCornersTopRight) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomRight)); 3879 if (fill_U) draw_list->AddRectFilled(ImVec2(inner.Min.x, outer.Min.y), ImVec2(inner.Max.x, inner.Min.y), col, rounding, (fill_L ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersTopRight)); 3880 if (fill_D) draw_list->AddRectFilled(ImVec2(inner.Min.x, inner.Max.y), ImVec2(inner.Max.x, outer.Max.y), col, rounding, (fill_L ? 0 : ImDrawFlags_RoundCornersBottomLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersBottomRight)); 3881 if (fill_L && fill_U) draw_list->AddRectFilled(ImVec2(outer.Min.x, outer.Min.y), ImVec2(inner.Min.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopLeft); 3882 if (fill_R && fill_U) draw_list->AddRectFilled(ImVec2(inner.Max.x, outer.Min.y), ImVec2(outer.Max.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopRight); 3883 if (fill_L && fill_D) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Max.y), ImVec2(inner.Min.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomLeft); 3884 if (fill_R && fill_D) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Max.y), ImVec2(outer.Max.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomRight); 3885 } 3886 3887 // Helper for ColorPicker4() 3888 // NB: This is rather brittle and will show artifact when rounding this enabled if rounded corners overlap multiple cells. Caller currently responsible for avoiding that. 3889 // Spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding altogether. 3890 // FIXME: uses ImGui::GetColorU32 3891 void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, ImDrawFlags flags) 3892 { 3893 if ((flags & ImDrawFlags_RoundCornersMask_) == 0) 3894 flags = ImDrawFlags_RoundCornersDefault_; 3895 if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF) 3896 { 3897 ImU32 col_bg1 = GetColorU32(ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col)); 3898 ImU32 col_bg2 = GetColorU32(ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col)); 3899 draw_list->AddRectFilled(p_min, p_max, col_bg1, rounding, flags); 3900 3901 int yi = 0; 3902 for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++) 3903 { 3904 float y1 = ImClamp(y, p_min.y, p_max.y), y2 = ImMin(y + grid_step, p_max.y); 3905 if (y2 <= y1) 3906 continue; 3907 for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f) 3908 { 3909 float x1 = ImClamp(x, p_min.x, p_max.x), x2 = ImMin(x + grid_step, p_max.x); 3910 if (x2 <= x1) 3911 continue; 3912 ImDrawFlags cell_flags = ImDrawFlags_RoundCornersNone; 3913 if (y1 <= p_min.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersTopLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersTopRight; } 3914 if (y2 >= p_max.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersBottomLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersBottomRight; } 3915 3916 // Combine flags 3917 cell_flags = (flags == ImDrawFlags_RoundCornersNone || cell_flags == ImDrawFlags_RoundCornersNone) ? ImDrawFlags_RoundCornersNone : (cell_flags & flags); 3918 draw_list->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), col_bg2, rounding, cell_flags); 3919 } 3920 } 3921 } 3922 else 3923 { 3924 draw_list->AddRectFilled(p_min, p_max, col, rounding, flags); 3925 } 3926 } 3927 3928 //----------------------------------------------------------------------------- 3929 // [SECTION] Decompression code 3930 //----------------------------------------------------------------------------- 3931 // Compressed with stb_compress() then converted to a C array and encoded as base85. 3932 // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file. 3933 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. 3934 // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h 3935 //----------------------------------------------------------------------------- 3936 3937 static unsigned int stb_decompress_length(const unsigned char *input) 3938 { 3939 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11]; 3940 } 3941 3942 static unsigned char *stb__barrier_out_e, *stb__barrier_out_b; 3943 static const unsigned char *stb__barrier_in_b; 3944 static unsigned char *stb__dout; 3945 static void stb__match(const unsigned char *data, unsigned int length) 3946 { 3947 // INVERSE of memmove... write each byte before copying the next... 3948 IM_ASSERT(stb__dout + length <= stb__barrier_out_e); 3949 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } 3950 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; } 3951 while (length--) *stb__dout++ = *data++; 3952 } 3953 3954 static void stb__lit(const unsigned char *data, unsigned int length) 3955 { 3956 IM_ASSERT(stb__dout + length <= stb__barrier_out_e); 3957 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } 3958 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; } 3959 memcpy(stb__dout, data, length); 3960 stb__dout += length; 3961 } 3962 3963 #define stb__in2(x) ((i[x] << 8) + i[(x)+1]) 3964 #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1)) 3965 #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1)) 3966 3967 static const unsigned char *stb_decompress_token(const unsigned char *i) 3968 { 3969 if (*i >= 0x20) { // use fewer if's for cases that expand small 3970 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2; 3971 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3; 3972 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1); 3973 } else { // more ifs for cases that expand large, since overhead is amortized 3974 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4; 3975 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5; 3976 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1); 3977 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1); 3978 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5; 3979 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6; 3980 } 3981 return i; 3982 } 3983 3984 static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen) 3985 { 3986 const unsigned long ADLER_MOD = 65521; 3987 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; 3988 unsigned long blocklen = buflen % 5552; 3989 3990 unsigned long i; 3991 while (buflen) { 3992 for (i=0; i + 7 < blocklen; i += 8) { 3993 s1 += buffer[0], s2 += s1; 3994 s1 += buffer[1], s2 += s1; 3995 s1 += buffer[2], s2 += s1; 3996 s1 += buffer[3], s2 += s1; 3997 s1 += buffer[4], s2 += s1; 3998 s1 += buffer[5], s2 += s1; 3999 s1 += buffer[6], s2 += s1; 4000 s1 += buffer[7], s2 += s1; 4001 4002 buffer += 8; 4003 } 4004 4005 for (; i < blocklen; ++i) 4006 s1 += *buffer++, s2 += s1; 4007 4008 s1 %= ADLER_MOD, s2 %= ADLER_MOD; 4009 buflen -= blocklen; 4010 blocklen = 5552; 4011 } 4012 return (unsigned int)(s2 << 16) + (unsigned int)s1; 4013 } 4014 4015 static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/) 4016 { 4017 if (stb__in4(0) != 0x57bC0000) return 0; 4018 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB 4019 const unsigned int olen = stb_decompress_length(i); 4020 stb__barrier_in_b = i; 4021 stb__barrier_out_e = output + olen; 4022 stb__barrier_out_b = output; 4023 i += 16; 4024 4025 stb__dout = output; 4026 for (;;) { 4027 const unsigned char *old_i = i; 4028 i = stb_decompress_token(i); 4029 if (i == old_i) { 4030 if (*i == 0x05 && i[1] == 0xfa) { 4031 IM_ASSERT(stb__dout == output + olen); 4032 if (stb__dout != output + olen) return 0; 4033 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2)) 4034 return 0; 4035 return olen; 4036 } else { 4037 IM_ASSERT(0); /* NOTREACHED */ 4038 return 0; 4039 } 4040 } 4041 IM_ASSERT(stb__dout <= output + olen); 4042 if (stb__dout > output + olen) 4043 return 0; 4044 } 4045 } 4046 4047 //----------------------------------------------------------------------------- 4048 // [SECTION] Default font data (ProggyClean.ttf) 4049 //----------------------------------------------------------------------------- 4050 // ProggyClean.ttf 4051 // Copyright (c) 2004, 2005 Tristan Grimmer 4052 // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) 4053 // Download and more information at http://upperbounds.net 4054 //----------------------------------------------------------------------------- 4055 // File: 'ProggyClean.ttf' (41208 bytes) 4056 // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding). 4057 // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. 4058 //----------------------------------------------------------------------------- 4059 static const char proggy_clean_ttf_compressed_data_base85[11980 + 1] = 4060 "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/" 4061 "2*>]b(MC;$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#" 4062 "`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" 4063 "i@^rMl9t=cWq6##weg>$FBjVQTSDgEKnIS7EM9>ZY9w0#L;>>#Mx&4Mvt//L[MkA#W@lK.N'[0#7RL_&#w+F%HtG9M#XL`N&.,GM4Pg;-<nLENhvx>-VsM.M0rJfLH2eTM`*oJMHRC`N" 4064 "kfimM2J,W-jXS:)r0wK#@Fge$U>`w'N7G#$#fB#$E^$#:9:hk+eOe--6x)F7*E%?76%^GMHePW-Z5l'&GiF#$956:rS?dA#fiK:)Yr+`�j@'DbG&#^$PG.Ll+DNa<XCMKEV*N)LN/N" 4065 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"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" 4126 "?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" 4127 "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" 4128 ">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-$.QN'>" 4129 "[%$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" 4130 "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#" 4131 "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$" 4132 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)" 4133 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo" 4134 "1*c-(aY168o<`JsSbk-,1N;$>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" 4135 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO" 4136 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#" 4137 ";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&>" 4138 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#" 4139 "d<F&#*;G##.GY##2Sl##6`($#:l:$#>xL$#B.`$#F:r$#JF.%#NR@%#R_R%#Vke%#Zww%#_-4^Rh%Sflr-k'MS.o?.5/sWel/wpEM0%3'/1)K^f1-d>G21&v(35>V`39V7A4=onx4" 4140 "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$C#+E6C#" 4141 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#" 4142 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#" 4143 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP" 4144 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp" 4145 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#"; 4146 4147 static const char* GetDefaultCompressedFontDataTTFBase85() 4148 { 4149 return proggy_clean_ttf_compressed_data_base85; 4150 } 4151 4152 #endif // #ifndef IMGUI_DISABLE