imgui_draw.cpp (177463B)
1// dear imgui, v1.76 2// (drawing and font code) 3 4/* 5 6Index 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#include "imgui_internal.h" 36 37#include <stdio.h> // vsnprintf, sscanf, printf 38#if !defined(alloca) 39#if defined(__GLIBC__) || defined(__sun) || defined(__CYGWIN__) || defined(__APPLE__) || defined(__SWITCH__) 40#include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here) 41#elif defined(_WIN32) 42#include <malloc.h> // alloca 43#if !defined(alloca) 44#define alloca _alloca // for clang with MS Codegen 45#endif 46#else 47#include <stdlib.h> // alloca 48#endif 49#endif 50 51// Visual Studio warnings 52#ifdef _MSC_VER 53#pragma warning (disable: 4127) // condition expression is constant 54#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) 55#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen 56#endif 57 58// Clang/GCC warnings with -Weverything 59#if defined(__clang__) 60#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse. 61#pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok. 62#pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference is. 63#pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness // 64#if __has_warning("-Wzero-as-null-pointer-constant") 65#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning : zero as null pointer constant // some standard header variations use #define NULL 0 66#endif 67#if __has_warning("-Wcomma") 68#pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here // 69#endif 70#if __has_warning("-Wreserved-id-macro") 71#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier // 72#endif 73#if __has_warning("-Wdouble-promotion") 74#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. 75#endif 76#elif defined(__GNUC__) 77#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind 78#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used 79#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function 80#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value 81#pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer 82#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 83#endif 84 85//------------------------------------------------------------------------- 86// [SECTION] STB libraries implementation 87//------------------------------------------------------------------------- 88 89// Compile time options: 90//#define IMGUI_STB_NAMESPACE ImStb 91//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h" 92//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h" 93//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION 94//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION 95 96#ifdef IMGUI_STB_NAMESPACE 97namespace IMGUI_STB_NAMESPACE 98{ 99#endif 100 101#ifdef _MSC_VER 102#pragma warning (push) 103#pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration 104#endif 105 106#if defined(__clang__) 107#pragma clang diagnostic push 108#pragma clang diagnostic ignored "-Wunused-function" 109#pragma clang diagnostic ignored "-Wmissing-prototypes" 110#pragma clang diagnostic ignored "-Wimplicit-fallthrough" 111#pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier // 112#endif 113 114#if defined(__GNUC__) 115#pragma GCC diagnostic push 116#pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits] 117#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers 118#endif 119 120#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) 121#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION 122#define STBRP_STATIC 123#define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0) 124#define STBRP_SORT ImQsort 125#define STB_RECT_PACK_IMPLEMENTATION 126#endif 127#ifdef IMGUI_STB_RECT_PACK_FILENAME 128#include IMGUI_STB_RECT_PACK_FILENAME 129#else 130#include "imstb_rectpack.h" 131#endif 132#endif 133 134#ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) 135#ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION 136#define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x)) 137#define STBTT_free(x,u) ((void)(u), IM_FREE(x)) 138#define STBTT_assert(x) do { IM_ASSERT(x); } while(0) 139#define STBTT_fmod(x,y) ImFmod(x,y) 140#define STBTT_sqrt(x) ImSqrt(x) 141#define STBTT_pow(x,y) ImPow(x,y) 142#define STBTT_fabs(x) ImFabs(x) 143#define STBTT_ifloor(x) ((int)ImFloorStd(x)) 144#define STBTT_iceil(x) ((int)ImCeil(x)) 145#define STBTT_STATIC 146#define STB_TRUETYPE_IMPLEMENTATION 147#else 148#define STBTT_DEF extern 149#endif 150#ifdef IMGUI_STB_TRUETYPE_FILENAME 151#include IMGUI_STB_TRUETYPE_FILENAME 152#else 153#include "imstb_truetype.h" 154#endif 155#endif 156 157#if defined(__GNUC__) 158#pragma GCC diagnostic pop 159#endif 160 161#if defined(__clang__) 162#pragma clang diagnostic pop 163#endif 164 165#if defined(_MSC_VER) 166#pragma warning (pop) 167#endif 168 169#ifdef IMGUI_STB_NAMESPACE 170} // namespace ImStb 171using namespace IMGUI_STB_NAMESPACE; 172#endif 173 174//----------------------------------------------------------------------------- 175// [SECTION] Style functions 176//----------------------------------------------------------------------------- 177 178void ImGui::StyleColorsDark(ImGuiStyle* dst) 179{ 180 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); 181 ImVec4* colors = style->Colors; 182 183 colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); 184 colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f); 185 colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f); 186 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 187 colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f); 188 colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f); 189 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 190 colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f); 191 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 192 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 193 colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f); 194 colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f); 195 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f); 196 colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f); 197 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f); 198 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f); 199 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f); 200 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f); 201 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 202 colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f); 203 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 204 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 205 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 206 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); 207 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); 208 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); 209 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 210 colors[ImGuiCol_Separator] = colors[ImGuiCol_Border]; 211 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f); 212 colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f); 213 colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f); 214 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 215 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); 216 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); 217 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; 218 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); 219 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); 220 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); 221 colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f); 222 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); 223 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 224 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); 225 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); 226 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); 227 colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 228 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); 229 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); 230 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f); 231} 232 233void ImGui::StyleColorsClassic(ImGuiStyle* dst) 234{ 235 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); 236 ImVec4* colors = style->Colors; 237 238 colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f); 239 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); 240 colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f); 241 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 242 colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f); 243 colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f); 244 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 245 colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f); 246 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f); 247 colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f); 248 colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f); 249 colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f); 250 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f); 251 colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f); 252 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f); 253 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f); 254 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f); 255 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); 256 colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f); 257 colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f); 258 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); 259 colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f); 260 colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f); 261 colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f); 262 colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f); 263 colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f); 264 colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f); 265 colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f); 266 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f); 267 colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f); 268 colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f); 269 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f); 270 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f); 271 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); 272 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; 273 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); 274 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); 275 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); 276 colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); 277 colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 278 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 279 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); 280 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f); 281 colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); 282 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; 283 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); 284 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); 285 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); 286} 287 288// Those light colors are better suited with a thicker font than the default one + FrameBorder 289void ImGui::StyleColorsLight(ImGuiStyle* dst) 290{ 291 ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); 292 ImVec4* colors = style->Colors; 293 294 colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); 295 colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); 296 colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f); 297 colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 298 colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f); 299 colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f); 300 colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); 301 colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); 302 colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 303 colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 304 colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f); 305 colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f); 306 colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f); 307 colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f); 308 colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f); 309 colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f); 310 colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f); 311 colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f); 312 colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 313 colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f); 314 colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f); 315 colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); 316 colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 317 colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); 318 colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); 319 colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); 320 colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); 321 colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f); 322 colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f); 323 colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f); 324 colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f); 325 colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); 326 colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); 327 colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f); 328 colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; 329 colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); 330 colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); 331 colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); 332 colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f); 333 colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); 334 colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); 335 colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f); 336 colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); 337 colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); 338 colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; 339 colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f); 340 colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f); 341 colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); 342} 343 344//----------------------------------------------------------------------------- 345// ImDrawList 346//----------------------------------------------------------------------------- 347 348ImDrawListSharedData::ImDrawListSharedData() 349{ 350 Font = NULL; 351 FontSize = 0.0f; 352 CurveTessellationTol = 0.0f; 353 CircleSegmentMaxError = 0.0f; 354 ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f); 355 InitialFlags = ImDrawListFlags_None; 356 357 // Lookup tables 358 for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++) 359 { 360 const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx); 361 ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a)); 362 } 363 memset(CircleSegmentCounts, 0, sizeof(CircleSegmentCounts)); // This will be set by SetCircleSegmentMaxError() 364} 365 366void ImDrawListSharedData::SetCircleSegmentMaxError(float max_error) 367{ 368 if (CircleSegmentMaxError == max_error) 369 return; 370 CircleSegmentMaxError = max_error; 371 for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++) 372 { 373 const float radius = i + 1.0f; 374 const int segment_count = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError); 375 CircleSegmentCounts[i] = (ImU8)ImMin(segment_count, 255); 376 } 377} 378 379void ImDrawList::Clear() 380{ 381 CmdBuffer.resize(0); 382 IdxBuffer.resize(0); 383 VtxBuffer.resize(0); 384 Flags = _Data ? _Data->InitialFlags : ImDrawListFlags_None; 385 _VtxCurrentOffset = 0; 386 _VtxCurrentIdx = 0; 387 _VtxWritePtr = NULL; 388 _IdxWritePtr = NULL; 389 _ClipRectStack.resize(0); 390 _TextureIdStack.resize(0); 391 _Path.resize(0); 392 _Splitter.Clear(); 393} 394 395void ImDrawList::ClearFreeMemory() 396{ 397 CmdBuffer.clear(); 398 IdxBuffer.clear(); 399 VtxBuffer.clear(); 400 _VtxCurrentIdx = 0; 401 _VtxWritePtr = NULL; 402 _IdxWritePtr = NULL; 403 _ClipRectStack.clear(); 404 _TextureIdStack.clear(); 405 _Path.clear(); 406 _Splitter.ClearFreeMemory(); 407} 408 409ImDrawList* ImDrawList::CloneOutput() const 410{ 411 ImDrawList* dst = IM_NEW(ImDrawList(_Data)); 412 dst->CmdBuffer = CmdBuffer; 413 dst->IdxBuffer = IdxBuffer; 414 dst->VtxBuffer = VtxBuffer; 415 dst->Flags = Flags; 416 return dst; 417} 418 419// Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds 420#define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen) 421#define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : (ImTextureID)NULL) 422 423void ImDrawList::AddDrawCmd() 424{ 425 ImDrawCmd draw_cmd; 426 draw_cmd.ClipRect = GetCurrentClipRect(); 427 draw_cmd.TextureId = GetCurrentTextureId(); 428 draw_cmd.VtxOffset = _VtxCurrentOffset; 429 draw_cmd.IdxOffset = IdxBuffer.Size; 430 431 IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w); 432 CmdBuffer.push_back(draw_cmd); 433} 434 435void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data) 436{ 437 ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL; 438 if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL) 439 { 440 AddDrawCmd(); 441 current_cmd = &CmdBuffer.back(); 442 } 443 current_cmd->UserCallback = callback; 444 current_cmd->UserCallbackData = callback_data; 445 446 AddDrawCmd(); // Force a new command after us (see comment below) 447} 448 449// 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. 450// 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. 451void ImDrawList::UpdateClipRect() 452{ 453 // If current command is used with different settings we need to add a new command 454 const ImVec4 curr_clip_rect = GetCurrentClipRect(); 455 ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL; 456 if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL) 457 { 458 AddDrawCmd(); 459 return; 460 } 461 462 // Try to merge with previous command if it matches, else use current command 463 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL; 464 if (curr_cmd->ElemCount == 0 && prev_cmd && memcmp(&prev_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) == 0 && prev_cmd->TextureId == GetCurrentTextureId() && prev_cmd->UserCallback == NULL) 465 CmdBuffer.pop_back(); 466 else 467 curr_cmd->ClipRect = curr_clip_rect; 468} 469 470void ImDrawList::UpdateTextureID() 471{ 472 // If current command is used with different settings we need to add a new command 473 const ImTextureID curr_texture_id = GetCurrentTextureId(); 474 ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL; 475 if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL) 476 { 477 AddDrawCmd(); 478 return; 479 } 480 481 // Try to merge with previous command if it matches, else use current command 482 ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL; 483 if (curr_cmd->ElemCount == 0 && prev_cmd && prev_cmd->TextureId == curr_texture_id && memcmp(&prev_cmd->ClipRect, &GetCurrentClipRect(), sizeof(ImVec4)) == 0 && prev_cmd->UserCallback == NULL) 484 CmdBuffer.pop_back(); 485 else 486 curr_cmd->TextureId = curr_texture_id; 487} 488 489#undef GetCurrentClipRect 490#undef GetCurrentTextureId 491 492// 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) 493void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect) 494{ 495 ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y); 496 if (intersect_with_current_clip_rect && _ClipRectStack.Size) 497 { 498 ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1]; 499 if (cr.x < current.x) cr.x = current.x; 500 if (cr.y < current.y) cr.y = current.y; 501 if (cr.z > current.z) cr.z = current.z; 502 if (cr.w > current.w) cr.w = current.w; 503 } 504 cr.z = ImMax(cr.x, cr.z); 505 cr.w = ImMax(cr.y, cr.w); 506 507 _ClipRectStack.push_back(cr); 508 UpdateClipRect(); 509} 510 511void ImDrawList::PushClipRectFullScreen() 512{ 513 PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w)); 514} 515 516void ImDrawList::PopClipRect() 517{ 518 IM_ASSERT(_ClipRectStack.Size > 0); 519 _ClipRectStack.pop_back(); 520 UpdateClipRect(); 521} 522 523void ImDrawList::PushTextureID(ImTextureID texture_id) 524{ 525 _TextureIdStack.push_back(texture_id); 526 UpdateTextureID(); 527} 528 529void ImDrawList::PopTextureID() 530{ 531 IM_ASSERT(_TextureIdStack.Size > 0); 532 _TextureIdStack.pop_back(); 533 UpdateTextureID(); 534} 535 536// Reserve space for a number of vertices and indices. 537// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or 538// submit the intermediate results. PrimUnreserve() can be used to release unused allocations. 539void ImDrawList::PrimReserve(int idx_count, int vtx_count) 540{ 541 // Large mesh support (when enabled) 542 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); 543 if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset)) 544 { 545 _VtxCurrentOffset = VtxBuffer.Size; 546 _VtxCurrentIdx = 0; 547 AddDrawCmd(); 548 } 549 550 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size - 1]; 551 draw_cmd.ElemCount += idx_count; 552 553 int vtx_buffer_old_size = VtxBuffer.Size; 554 VtxBuffer.resize(vtx_buffer_old_size + vtx_count); 555 _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size; 556 557 int idx_buffer_old_size = IdxBuffer.Size; 558 IdxBuffer.resize(idx_buffer_old_size + idx_count); 559 _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size; 560} 561 562// Release the a number of reserved vertices/indices from the end of the last reservation made with PrimReserve(). 563void ImDrawList::PrimUnreserve(int idx_count, int vtx_count) 564{ 565 IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); 566 567 ImDrawCmd& draw_cmd = CmdBuffer.Data[CmdBuffer.Size - 1]; 568 draw_cmd.ElemCount -= idx_count; 569 VtxBuffer.shrink(VtxBuffer.Size - vtx_count); 570 IdxBuffer.shrink(IdxBuffer.Size - idx_count); 571} 572 573// Fully unrolled with inline call to keep our debug builds decently fast. 574void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col) 575{ 576 ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel); 577 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; 578 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); 579 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); 580 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; 581 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; 582 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; 583 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; 584 _VtxWritePtr += 4; 585 _VtxCurrentIdx += 4; 586 _IdxWritePtr += 6; 587} 588 589void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col) 590{ 591 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); 592 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; 593 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); 594 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); 595 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; 596 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; 597 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; 598 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; 599 _VtxWritePtr += 4; 600 _VtxCurrentIdx += 4; 601 _IdxWritePtr += 6; 602} 603 604void 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) 605{ 606 ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; 607 _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); 608 _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); 609 _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; 610 _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; 611 _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; 612 _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; 613 _VtxWritePtr += 4; 614 _VtxCurrentIdx += 4; 615 _IdxWritePtr += 6; 616} 617 618// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superflous function calls to optimize debug/non-inlined builds. 619// Those macros expects l-values. 620#define IM_NORMALIZE2F_OVER_ZERO(VX,VY) do { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = 1.0f / ImSqrt(d2); VX *= inv_len; VY *= inv_len; } } while (0) 621#define IM_FIXNORMAL2F(VX,VY) do { float d2 = VX*VX + VY*VY; if (d2 < 0.5f) d2 = 0.5f; float inv_lensq = 1.0f / d2; VX *= inv_lensq; VY *= inv_lensq; } while (0) 622 623// TODO: Thickness anti-aliased lines cap are missing their AA fringe. 624// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds. 625void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness) 626{ 627 if (points_count < 2) 628 return; 629 630 const ImVec2 uv = _Data->TexUvWhitePixel; 631 632 int count = points_count; 633 if (!closed) 634 count = points_count-1; 635 636 const bool thick_line = thickness > 1.0f; 637 if (Flags & ImDrawListFlags_AntiAliasedLines) 638 { 639 // Anti-aliased stroke 640 const float AA_SIZE = 1.0f; 641 const ImU32 col_trans = col & ~IM_COL32_A_MASK; 642 643 const int idx_count = thick_line ? count*18 : count*12; 644 const int vtx_count = thick_line ? points_count*4 : points_count*3; 645 PrimReserve(idx_count, vtx_count); 646 647 // Temporary buffer 648 ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); //-V630 649 ImVec2* temp_points = temp_normals + points_count; 650 651 for (int i1 = 0; i1 < count; i1++) 652 { 653 const int i2 = (i1+1) == points_count ? 0 : i1+1; 654 float dx = points[i2].x - points[i1].x; 655 float dy = points[i2].y - points[i1].y; 656 IM_NORMALIZE2F_OVER_ZERO(dx, dy); 657 temp_normals[i1].x = dy; 658 temp_normals[i1].y = -dx; 659 } 660 if (!closed) 661 temp_normals[points_count-1] = temp_normals[points_count-2]; 662 663 if (!thick_line) 664 { 665 if (!closed) 666 { 667 temp_points[0] = points[0] + temp_normals[0] * AA_SIZE; 668 temp_points[1] = points[0] - temp_normals[0] * AA_SIZE; 669 temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE; 670 temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE; 671 } 672 673 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. 674 unsigned int idx1 = _VtxCurrentIdx; 675 for (int i1 = 0; i1 < count; i1++) 676 { 677 const int i2 = (i1+1) == points_count ? 0 : i1+1; 678 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+3; 679 680 // Average normals 681 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; 682 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; 683 IM_FIXNORMAL2F(dm_x, dm_y); 684 dm_x *= AA_SIZE; 685 dm_y *= AA_SIZE; 686 687 // Add temporary vertexes 688 ImVec2* out_vtx = &temp_points[i2*2]; 689 out_vtx[0].x = points[i2].x + dm_x; 690 out_vtx[0].y = points[i2].y + dm_y; 691 out_vtx[1].x = points[i2].x - dm_x; 692 out_vtx[1].y = points[i2].y - dm_y; 693 694 // Add indexes 695 _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2); 696 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0); 697 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0); 698 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1); 699 _IdxWritePtr += 12; 700 701 idx1 = idx2; 702 } 703 704 // Add vertexes 705 for (int i = 0; i < points_count; i++) 706 { 707 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; 708 _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; 709 _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans; 710 _VtxWritePtr += 3; 711 } 712 } 713 else 714 { 715 const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f; 716 if (!closed) 717 { 718 temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE); 719 temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness); 720 temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness); 721 temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE); 722 temp_points[(points_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE); 723 temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness); 724 temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness); 725 temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE); 726 } 727 728 // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. 729 unsigned int idx1 = _VtxCurrentIdx; 730 for (int i1 = 0; i1 < count; i1++) 731 { 732 const int i2 = (i1+1) == points_count ? 0 : i1+1; 733 unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4; 734 735 // Average normals 736 float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; 737 float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; 738 IM_FIXNORMAL2F(dm_x, dm_y); 739 float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE); 740 float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE); 741 float dm_in_x = dm_x * half_inner_thickness; 742 float dm_in_y = dm_y * half_inner_thickness; 743 744 // Add temporary vertexes 745 ImVec2* out_vtx = &temp_points[i2*4]; 746 out_vtx[0].x = points[i2].x + dm_out_x; 747 out_vtx[0].y = points[i2].y + dm_out_y; 748 out_vtx[1].x = points[i2].x + dm_in_x; 749 out_vtx[1].y = points[i2].y + dm_in_y; 750 out_vtx[2].x = points[i2].x - dm_in_x; 751 out_vtx[2].y = points[i2].y - dm_in_y; 752 out_vtx[3].x = points[i2].x - dm_out_x; 753 out_vtx[3].y = points[i2].y - dm_out_y; 754 755 // Add indexes 756 _IdxWritePtr[0] = (ImDrawIdx)(idx2+1); _IdxWritePtr[1] = (ImDrawIdx)(idx1+1); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2); 757 _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+1); 758 _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0); 759 _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10] = (ImDrawIdx)(idx2+0); _IdxWritePtr[11] = (ImDrawIdx)(idx2+1); 760 _IdxWritePtr[12] = (ImDrawIdx)(idx2+2); _IdxWritePtr[13] = (ImDrawIdx)(idx1+2); _IdxWritePtr[14] = (ImDrawIdx)(idx1+3); 761 _IdxWritePtr[15] = (ImDrawIdx)(idx1+3); _IdxWritePtr[16] = (ImDrawIdx)(idx2+3); _IdxWritePtr[17] = (ImDrawIdx)(idx2+2); 762 _IdxWritePtr += 18; 763 764 idx1 = idx2; 765 } 766 767 // Add vertexes 768 for (int i = 0; i < points_count; i++) 769 { 770 _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans; 771 _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; 772 _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; 773 _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col_trans; 774 _VtxWritePtr += 4; 775 } 776 } 777 _VtxCurrentIdx += (ImDrawIdx)vtx_count; 778 } 779 else 780 { 781 // Non Anti-aliased Stroke 782 const int idx_count = count*6; 783 const int vtx_count = count*4; // FIXME-OPT: Not sharing edges 784 PrimReserve(idx_count, vtx_count); 785 786 for (int i1 = 0; i1 < count; i1++) 787 { 788 const int i2 = (i1+1) == points_count ? 0 : i1+1; 789 const ImVec2& p1 = points[i1]; 790 const ImVec2& p2 = points[i2]; 791 792 float dx = p2.x - p1.x; 793 float dy = p2.y - p1.y; 794 IM_NORMALIZE2F_OVER_ZERO(dx, dy); 795 dx *= (thickness * 0.5f); 796 dy *= (thickness * 0.5f); 797 798 _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; 799 _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; 800 _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; 801 _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; 802 _VtxWritePtr += 4; 803 804 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+2); 805 _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx+2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx+3); 806 _IdxWritePtr += 6; 807 _VtxCurrentIdx += 4; 808 } 809 } 810} 811 812// We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds. 813void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col) 814{ 815 if (points_count < 3) 816 return; 817 818 const ImVec2 uv = _Data->TexUvWhitePixel; 819 820 if (Flags & ImDrawListFlags_AntiAliasedFill) 821 { 822 // Anti-aliased Fill 823 const float AA_SIZE = 1.0f; 824 const ImU32 col_trans = col & ~IM_COL32_A_MASK; 825 const int idx_count = (points_count-2)*3 + points_count*6; 826 const int vtx_count = (points_count*2); 827 PrimReserve(idx_count, vtx_count); 828 829 // Add indexes for fill 830 unsigned int vtx_inner_idx = _VtxCurrentIdx; 831 unsigned int vtx_outer_idx = _VtxCurrentIdx+1; 832 for (int i = 2; i < points_count; i++) 833 { 834 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1)); 835 _IdxWritePtr += 3; 836 } 837 838 // Compute normals 839 ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630 840 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) 841 { 842 const ImVec2& p0 = points[i0]; 843 const ImVec2& p1 = points[i1]; 844 float dx = p1.x - p0.x; 845 float dy = p1.y - p0.y; 846 IM_NORMALIZE2F_OVER_ZERO(dx, dy); 847 temp_normals[i0].x = dy; 848 temp_normals[i0].y = -dx; 849 } 850 851 for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) 852 { 853 // Average normals 854 const ImVec2& n0 = temp_normals[i0]; 855 const ImVec2& n1 = temp_normals[i1]; 856 float dm_x = (n0.x + n1.x) * 0.5f; 857 float dm_y = (n0.y + n1.y) * 0.5f; 858 IM_FIXNORMAL2F(dm_x, dm_y); 859 dm_x *= AA_SIZE * 0.5f; 860 dm_y *= AA_SIZE * 0.5f; 861 862 // Add vertices 863 _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 864 _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 865 _VtxWritePtr += 2; 866 867 // Add indexes for fringes 868 _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx+(i0<<1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); 869 _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx+(i0<<1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx+(i1<<1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx+(i1<<1)); 870 _IdxWritePtr += 6; 871 } 872 _VtxCurrentIdx += (ImDrawIdx)vtx_count; 873 } 874 else 875 { 876 // Non Anti-aliased Fill 877 const int idx_count = (points_count-2)*3; 878 const int vtx_count = points_count; 879 PrimReserve(idx_count, vtx_count); 880 for (int i = 0; i < vtx_count; i++) 881 { 882 _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; 883 _VtxWritePtr++; 884 } 885 for (int i = 2; i < points_count; i++) 886 { 887 _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx+i-1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx+i); 888 _IdxWritePtr += 3; 889 } 890 _VtxCurrentIdx += (ImDrawIdx)vtx_count; 891 } 892} 893 894void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12) 895{ 896 if (radius == 0.0f || a_min_of_12 > a_max_of_12) 897 { 898 _Path.push_back(center); 899 return; 900 } 901 902 // For legacy reason the PathArcToFast() always takes angles where 2*PI is represented by 12, 903 // but it is possible to set IM_DRAWLIST_ARCFAST_TESSELATION_MULTIPLIER to a higher value. This should compile to a no-op otherwise. 904#if IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER != 1 905 a_min_of_12 *= IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER; 906 a_max_of_12 *= IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER; 907#endif 908 909 _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1)); 910 for (int a = a_min_of_12; a <= a_max_of_12; a++) 911 { 912 const ImVec2& c = _Data->ArcFastVtx[a % IM_ARRAYSIZE(_Data->ArcFastVtx)]; 913 _Path.push_back(ImVec2(center.x + c.x * radius, center.y + c.y * radius)); 914 } 915} 916 917void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) 918{ 919 if (radius == 0.0f) 920 { 921 _Path.push_back(center); 922 return; 923 } 924 925 // Note that we are adding a point at both a_min and a_max. 926 // If you are trying to draw a full closed circle you don't want the overlapping points! 927 _Path.reserve(_Path.Size + (num_segments + 1)); 928 for (int i = 0; i <= num_segments; i++) 929 { 930 const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); 931 _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius)); 932 } 933} 934 935ImVec2 ImBezierCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t) 936{ 937 float u = 1.0f - t; 938 float w1 = u*u*u; 939 float w2 = 3*u*u*t; 940 float w3 = 3*u*t*t; 941 float w4 = t*t*t; 942 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); 943} 944 945// Closely mimics BezierClosestPointCasteljauStep() in imgui.cpp 946static void PathBezierToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level) 947{ 948 float dx = x4 - x1; 949 float dy = y4 - y1; 950 float d2 = ((x2 - x4) * dy - (y2 - y4) * dx); 951 float d3 = ((x3 - x4) * dy - (y3 - y4) * dx); 952 d2 = (d2 >= 0) ? d2 : -d2; 953 d3 = (d3 >= 0) ? d3 : -d3; 954 if ((d2+d3) * (d2+d3) < tess_tol * (dx*dx + dy*dy)) 955 { 956 path->push_back(ImVec2(x4, y4)); 957 } 958 else if (level < 10) 959 { 960 float x12 = (x1+x2)*0.5f, y12 = (y1+y2)*0.5f; 961 float x23 = (x2+x3)*0.5f, y23 = (y2+y3)*0.5f; 962 float x34 = (x3+x4)*0.5f, y34 = (y3+y4)*0.5f; 963 float x123 = (x12+x23)*0.5f, y123 = (y12+y23)*0.5f; 964 float x234 = (x23+x34)*0.5f, y234 = (y23+y34)*0.5f; 965 float x1234 = (x123+x234)*0.5f, y1234 = (y123+y234)*0.5f; 966 PathBezierToCasteljau(path, x1,y1, x12,y12, x123,y123, x1234,y1234, tess_tol, level+1); 967 PathBezierToCasteljau(path, x1234,y1234, x234,y234, x34,y34, x4,y4, tess_tol, level+1); 968 } 969} 970 971void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments) 972{ 973 ImVec2 p1 = _Path.back(); 974 if (num_segments == 0) 975 { 976 PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated 977 } 978 else 979 { 980 float t_step = 1.0f / (float)num_segments; 981 for (int i_step = 1; i_step <= num_segments; i_step++) 982 _Path.push_back(ImBezierCalc(p1, p2, p3, p4, t_step * i_step)); 983 } 984} 985 986void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawCornerFlags rounding_corners) 987{ 988 rounding = ImMin(rounding, ImFabs(b.x - a.x) * ( ((rounding_corners & ImDrawCornerFlags_Top) == ImDrawCornerFlags_Top) || ((rounding_corners & ImDrawCornerFlags_Bot) == ImDrawCornerFlags_Bot) ? 0.5f : 1.0f ) - 1.0f); 989 rounding = ImMin(rounding, ImFabs(b.y - a.y) * ( ((rounding_corners & ImDrawCornerFlags_Left) == ImDrawCornerFlags_Left) || ((rounding_corners & ImDrawCornerFlags_Right) == ImDrawCornerFlags_Right) ? 0.5f : 1.0f ) - 1.0f); 990 991 if (rounding <= 0.0f || rounding_corners == 0) 992 { 993 PathLineTo(a); 994 PathLineTo(ImVec2(b.x, a.y)); 995 PathLineTo(b); 996 PathLineTo(ImVec2(a.x, b.y)); 997 } 998 else 999 { 1000 const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f; 1001 const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f; 1002 const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f; 1003 const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f; 1004 PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9); 1005 PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12); 1006 PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3); 1007 PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6); 1008 } 1009} 1010 1011void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness) 1012{ 1013 if ((col & IM_COL32_A_MASK) == 0) 1014 return; 1015 PathLineTo(p1 + ImVec2(0.5f, 0.5f)); 1016 PathLineTo(p2 + ImVec2(0.5f, 0.5f)); 1017 PathStroke(col, false, thickness); 1018} 1019 1020// p_min = upper-left, p_max = lower-right 1021// Note we don't render 1 pixels sized rectangles properly. 1022void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners, float thickness) 1023{ 1024 if ((col & IM_COL32_A_MASK) == 0) 1025 return; 1026 if (Flags & ImDrawListFlags_AntiAliasedLines) 1027 PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.50f,0.50f), rounding, rounding_corners); 1028 else 1029 PathRect(p_min + ImVec2(0.50f,0.50f), p_max - ImVec2(0.49f,0.49f), rounding, rounding_corners); // Better looking lower-right corner and rounded non-AA shapes. 1030 PathStroke(col, true, thickness); 1031} 1032 1033void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) 1034{ 1035 if ((col & IM_COL32_A_MASK) == 0) 1036 return; 1037 if (rounding > 0.0f) 1038 { 1039 PathRect(p_min, p_max, rounding, rounding_corners); 1040 PathFillConvex(col); 1041 } 1042 else 1043 { 1044 PrimReserve(6, 4); 1045 PrimRect(p_min, p_max, col); 1046 } 1047} 1048 1049// p_min = upper-left, p_max = lower-right 1050void 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) 1051{ 1052 if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0) 1053 return; 1054 1055 const ImVec2 uv = _Data->TexUvWhitePixel; 1056 PrimReserve(6, 4); 1057 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); 1058 PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx+3)); 1059 PrimWriteVtx(p_min, uv, col_upr_left); 1060 PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right); 1061 PrimWriteVtx(p_max, uv, col_bot_right); 1062 PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left); 1063} 1064 1065void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness) 1066{ 1067 if ((col & IM_COL32_A_MASK) == 0) 1068 return; 1069 1070 PathLineTo(p1); 1071 PathLineTo(p2); 1072 PathLineTo(p3); 1073 PathLineTo(p4); 1074 PathStroke(col, true, thickness); 1075} 1076 1077void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col) 1078{ 1079 if ((col & IM_COL32_A_MASK) == 0) 1080 return; 1081 1082 PathLineTo(p1); 1083 PathLineTo(p2); 1084 PathLineTo(p3); 1085 PathLineTo(p4); 1086 PathFillConvex(col); 1087} 1088 1089void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness) 1090{ 1091 if ((col & IM_COL32_A_MASK) == 0) 1092 return; 1093 1094 PathLineTo(p1); 1095 PathLineTo(p2); 1096 PathLineTo(p3); 1097 PathStroke(col, true, thickness); 1098} 1099 1100void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col) 1101{ 1102 if ((col & IM_COL32_A_MASK) == 0) 1103 return; 1104 1105 PathLineTo(p1); 1106 PathLineTo(p2); 1107 PathLineTo(p3); 1108 PathFillConvex(col); 1109} 1110 1111void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) 1112{ 1113 if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) 1114 return; 1115 1116 // Obtain segment count 1117 if (num_segments <= 0) 1118 { 1119 // Automatic segment count 1120 const int radius_idx = (int)radius - 1; 1121 if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) 1122 num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value 1123 else 1124 num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); 1125 } 1126 else 1127 { 1128 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) 1129 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); 1130 } 1131 1132 // Because we are filling a closed shape we remove 1 from the count of segments/points 1133 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1134 if (num_segments == 12) 1135 PathArcToFast(center, radius - 0.5f, 0, 12); 1136 else 1137 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); 1138 PathStroke(col, true, thickness); 1139} 1140 1141void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) 1142{ 1143 if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) 1144 return; 1145 1146 // Obtain segment count 1147 if (num_segments <= 0) 1148 { 1149 // Automatic segment count 1150 const int radius_idx = (int)radius - 1; 1151 if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) 1152 num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value 1153 else 1154 num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); 1155 } 1156 else 1157 { 1158 // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) 1159 num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); 1160 } 1161 1162 // Because we are filling a closed shape we remove 1 from the count of segments/points 1163 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1164 if (num_segments == 12) 1165 PathArcToFast(center, radius, 0, 12); 1166 else 1167 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); 1168 PathFillConvex(col); 1169} 1170 1171// Guaranteed to honor 'num_segments' 1172void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) 1173{ 1174 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) 1175 return; 1176 1177 // Because we are filling a closed shape we remove 1 from the count of segments/points 1178 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1179 PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); 1180 PathStroke(col, true, thickness); 1181} 1182 1183// Guaranteed to honor 'num_segments' 1184void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) 1185{ 1186 if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) 1187 return; 1188 1189 // Because we are filling a closed shape we remove 1 from the count of segments/points 1190 const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; 1191 PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); 1192 PathFillConvex(col); 1193} 1194 1195// Cubic Bezier takes 4 controls points 1196void ImDrawList::AddBezierCurve(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments) 1197{ 1198 if ((col & IM_COL32_A_MASK) == 0) 1199 return; 1200 1201 PathLineTo(p1); 1202 PathBezierCurveTo(p2, p3, p4, num_segments); 1203 PathStroke(col, false, thickness); 1204} 1205 1206void 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) 1207{ 1208 if ((col & IM_COL32_A_MASK) == 0) 1209 return; 1210 1211 if (text_end == NULL) 1212 text_end = text_begin + strlen(text_begin); 1213 if (text_begin == text_end) 1214 return; 1215 1216 // Pull default font/size from the shared ImDrawListSharedData instance 1217 if (font == NULL) 1218 font = _Data->Font; 1219 if (font_size == 0.0f) 1220 font_size = _Data->FontSize; 1221 1222 IM_ASSERT(font->ContainerAtlas->TexID == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font. 1223 1224 ImVec4 clip_rect = _ClipRectStack.back(); 1225 if (cpu_fine_clip_rect) 1226 { 1227 clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x); 1228 clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y); 1229 clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z); 1230 clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w); 1231 } 1232 font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL); 1233} 1234 1235void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end) 1236{ 1237 AddText(NULL, 0.0f, pos, col, text_begin, text_end); 1238} 1239 1240void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col) 1241{ 1242 if ((col & IM_COL32_A_MASK) == 0) 1243 return; 1244 1245 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back(); 1246 if (push_texture_id) 1247 PushTextureID(user_texture_id); 1248 1249 PrimReserve(6, 4); 1250 PrimRectUV(p_min, p_max, uv_min, uv_max, col); 1251 1252 if (push_texture_id) 1253 PopTextureID(); 1254} 1255 1256void 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) 1257{ 1258 if ((col & IM_COL32_A_MASK) == 0) 1259 return; 1260 1261 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back(); 1262 if (push_texture_id) 1263 PushTextureID(user_texture_id); 1264 1265 PrimReserve(6, 4); 1266 PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col); 1267 1268 if (push_texture_id) 1269 PopTextureID(); 1270} 1271 1272void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) 1273{ 1274 if ((col & IM_COL32_A_MASK) == 0) 1275 return; 1276 1277 if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0) 1278 { 1279 AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col); 1280 return; 1281 } 1282 1283 const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back(); 1284 if (push_texture_id) 1285 PushTextureID(user_texture_id); 1286 1287 int vert_start_idx = VtxBuffer.Size; 1288 PathRect(p_min, p_max, rounding, rounding_corners); 1289 PathFillConvex(col); 1290 int vert_end_idx = VtxBuffer.Size; 1291 ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true); 1292 1293 if (push_texture_id) 1294 PopTextureID(); 1295} 1296 1297 1298//----------------------------------------------------------------------------- 1299// ImDrawListSplitter 1300//----------------------------------------------------------------------------- 1301// FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap.. 1302//----------------------------------------------------------------------------- 1303 1304void ImDrawListSplitter::ClearFreeMemory() 1305{ 1306 for (int i = 0; i < _Channels.Size; i++) 1307 { 1308 if (i == _Current) 1309 memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again 1310 _Channels[i]._CmdBuffer.clear(); 1311 _Channels[i]._IdxBuffer.clear(); 1312 } 1313 _Current = 0; 1314 _Count = 1; 1315 _Channels.clear(); 1316} 1317 1318void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count) 1319{ 1320 IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter."); 1321 int old_channels_count = _Channels.Size; 1322 if (old_channels_count < channels_count) 1323 _Channels.resize(channels_count); 1324 _Count = channels_count; 1325 1326 // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer 1327 // 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. 1328 // 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 1329 memset(&_Channels[0], 0, sizeof(ImDrawChannel)); 1330 for (int i = 1; i < channels_count; i++) 1331 { 1332 if (i >= old_channels_count) 1333 { 1334 IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel(); 1335 } 1336 else 1337 { 1338 _Channels[i]._CmdBuffer.resize(0); 1339 _Channels[i]._IdxBuffer.resize(0); 1340 } 1341 if (_Channels[i]._CmdBuffer.Size == 0) 1342 { 1343 ImDrawCmd draw_cmd; 1344 draw_cmd.ClipRect = draw_list->_ClipRectStack.back(); 1345 draw_cmd.TextureId = draw_list->_TextureIdStack.back(); 1346 _Channels[i]._CmdBuffer.push_back(draw_cmd); 1347 } 1348 } 1349} 1350 1351static inline bool CanMergeDrawCommands(ImDrawCmd* a, ImDrawCmd* b) 1352{ 1353 return memcmp(&a->ClipRect, &b->ClipRect, sizeof(a->ClipRect)) == 0 && a->TextureId == b->TextureId && a->VtxOffset == b->VtxOffset && !a->UserCallback && !b->UserCallback; 1354} 1355 1356void ImDrawListSplitter::Merge(ImDrawList* draw_list) 1357{ 1358 // 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. 1359 if (_Count <= 1) 1360 return; 1361 1362 SetCurrentChannel(draw_list, 0); 1363 if (draw_list->CmdBuffer.Size != 0 && draw_list->CmdBuffer.back().ElemCount == 0) 1364 draw_list->CmdBuffer.pop_back(); 1365 1366 // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command. 1367 int new_cmd_buffer_count = 0; 1368 int new_idx_buffer_count = 0; 1369 ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL; 1370 int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0; 1371 for (int i = 1; i < _Count; i++) 1372 { 1373 ImDrawChannel& ch = _Channels[i]; 1374 if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0) 1375 ch._CmdBuffer.pop_back(); 1376 if (ch._CmdBuffer.Size > 0 && last_cmd != NULL && CanMergeDrawCommands(last_cmd, &ch._CmdBuffer[0])) 1377 { 1378 // Merge previous channel last draw command with current channel first draw command if matching. 1379 last_cmd->ElemCount += ch._CmdBuffer[0].ElemCount; 1380 idx_offset += ch._CmdBuffer[0].ElemCount; 1381 ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges. 1382 } 1383 if (ch._CmdBuffer.Size > 0) 1384 last_cmd = &ch._CmdBuffer.back(); 1385 new_cmd_buffer_count += ch._CmdBuffer.Size; 1386 new_idx_buffer_count += ch._IdxBuffer.Size; 1387 for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++) 1388 { 1389 ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset; 1390 idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount; 1391 } 1392 } 1393 draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count); 1394 draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count); 1395 1396 // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices) 1397 ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count; 1398 ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count; 1399 for (int i = 1; i < _Count; i++) 1400 { 1401 ImDrawChannel& ch = _Channels[i]; 1402 if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; } 1403 if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; } 1404 } 1405 draw_list->_IdxWritePtr = idx_write; 1406 draw_list->UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call. 1407 draw_list->UpdateTextureID(); 1408 _Count = 1; 1409} 1410 1411void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx) 1412{ 1413 IM_ASSERT(idx >= 0 && idx < _Count); 1414 if (_Current == idx) 1415 return; 1416 // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap() 1417 memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer)); 1418 memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer)); 1419 _Current = idx; 1420 memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer)); 1421 memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer)); 1422 draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size; 1423} 1424 1425//----------------------------------------------------------------------------- 1426// [SECTION] ImDrawData 1427//----------------------------------------------------------------------------- 1428 1429// 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! 1430void ImDrawData::DeIndexAllBuffers() 1431{ 1432 ImVector<ImDrawVert> new_vtx_buffer; 1433 TotalVtxCount = TotalIdxCount = 0; 1434 for (int i = 0; i < CmdListsCount; i++) 1435 { 1436 ImDrawList* cmd_list = CmdLists[i]; 1437 if (cmd_list->IdxBuffer.empty()) 1438 continue; 1439 new_vtx_buffer.resize(cmd_list->IdxBuffer.Size); 1440 for (int j = 0; j < cmd_list->IdxBuffer.Size; j++) 1441 new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]]; 1442 cmd_list->VtxBuffer.swap(new_vtx_buffer); 1443 cmd_list->IdxBuffer.resize(0); 1444 TotalVtxCount += cmd_list->VtxBuffer.Size; 1445 } 1446} 1447 1448// Helper to scale the ClipRect field of each ImDrawCmd. 1449// Use if your final output buffer is at a different scale than draw_data->DisplaySize, 1450// or if there is a difference between your window resolution and framebuffer resolution. 1451void ImDrawData::ScaleClipRects(const ImVec2& fb_scale) 1452{ 1453 for (int i = 0; i < CmdListsCount; i++) 1454 { 1455 ImDrawList* cmd_list = CmdLists[i]; 1456 for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) 1457 { 1458 ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i]; 1459 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); 1460 } 1461 } 1462} 1463 1464//----------------------------------------------------------------------------- 1465// [SECTION] Helpers ShadeVertsXXX functions 1466//----------------------------------------------------------------------------- 1467 1468// Generic linear color gradient, write to RGB fields, leave A untouched. 1469void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1) 1470{ 1471 ImVec2 gradient_extent = gradient_p1 - gradient_p0; 1472 float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent); 1473 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; 1474 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; 1475 for (ImDrawVert* vert = vert_start; vert < vert_end; vert++) 1476 { 1477 float d = ImDot(vert->pos - gradient_p0, gradient_extent); 1478 float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f); 1479 int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t); 1480 int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t); 1481 int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t); 1482 vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK); 1483 } 1484} 1485 1486// Distribute UV over (a, b) rectangle 1487void 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) 1488{ 1489 const ImVec2 size = b - a; 1490 const ImVec2 uv_size = uv_b - uv_a; 1491 const ImVec2 scale = ImVec2( 1492 size.x != 0.0f ? (uv_size.x / size.x) : 0.0f, 1493 size.y != 0.0f ? (uv_size.y / size.y) : 0.0f); 1494 1495 ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; 1496 ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; 1497 if (clamp) 1498 { 1499 const ImVec2 min = ImMin(uv_a, uv_b); 1500 const ImVec2 max = ImMax(uv_a, uv_b); 1501 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) 1502 vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max); 1503 } 1504 else 1505 { 1506 for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) 1507 vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale); 1508 } 1509} 1510 1511//----------------------------------------------------------------------------- 1512// [SECTION] ImFontConfig 1513//----------------------------------------------------------------------------- 1514 1515ImFontConfig::ImFontConfig() 1516{ 1517 FontData = NULL; 1518 FontDataSize = 0; 1519 FontDataOwnedByAtlas = true; 1520 FontNo = 0; 1521 SizePixels = 0.0f; 1522 OversampleH = 3; // FIXME: 2 may be a better default? 1523 OversampleV = 1; 1524 PixelSnapH = false; 1525 GlyphExtraSpacing = ImVec2(0.0f, 0.0f); 1526 GlyphOffset = ImVec2(0.0f, 0.0f); 1527 GlyphRanges = NULL; 1528 GlyphMinAdvanceX = 0.0f; 1529 GlyphMaxAdvanceX = FLT_MAX; 1530 MergeMode = false; 1531 RasterizerFlags = 0x00; 1532 RasterizerMultiply = 1.0f; 1533 EllipsisChar = (ImWchar)-1; 1534 memset(Name, 0, sizeof(Name)); 1535 DstFont = NULL; 1536} 1537 1538//----------------------------------------------------------------------------- 1539// [SECTION] ImFontAtlas 1540//----------------------------------------------------------------------------- 1541 1542// A work of art lies ahead! (. = white layer, X = black layer, others are blank) 1543// The white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes. 1544const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108; 1545const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27; 1546const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000; 1547static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] = 1548{ 1549 "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX " 1550 "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X " 1551 "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X " 1552 "X - X.X - X.....X - X.....X -X...X - X...X- X..X " 1553 "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X " 1554 "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX " 1555 "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX " 1556 "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX " 1557 "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X " 1558 "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X" 1559 "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X" 1560 "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X" 1561 "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X" 1562 "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X" 1563 "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X" 1564 "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X" 1565 "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X " 1566 "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X " 1567 "X.X X..X - -X.......X- X.......X - XX XX - - X..........X " 1568 "XX X..X - - X.....X - X.....X - X.X X.X - - X........X " 1569 " X..X - X...X - X...X - X..X X..X - - X........X " 1570 " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX " 1571 "------------ - X - X -X.....................X- ------------------" 1572 " ----------------------------------- X...XXXXXXXXXXXXX...X - " 1573 " - X..X X..X - " 1574 " - X.X X.X - " 1575 " - XX XX - " 1576}; 1577 1578static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] = 1579{ 1580 // Pos ........ Size ......... Offset ...... 1581 { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow 1582 { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput 1583 { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll 1584 { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS 1585 { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW 1586 { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW 1587 { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE 1588 { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand 1589}; 1590 1591ImFontAtlas::ImFontAtlas() 1592{ 1593 Locked = false; 1594 Flags = ImFontAtlasFlags_None; 1595 TexID = (ImTextureID)NULL; 1596 TexDesiredWidth = 0; 1597 TexGlyphPadding = 1; 1598 1599 TexPixelsAlpha8 = NULL; 1600 TexPixelsRGBA32 = NULL; 1601 TexWidth = TexHeight = 0; 1602 TexUvScale = ImVec2(0.0f, 0.0f); 1603 TexUvWhitePixel = ImVec2(0.0f, 0.0f); 1604 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++) 1605 CustomRectIds[n] = -1; 1606} 1607 1608ImFontAtlas::~ImFontAtlas() 1609{ 1610 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1611 Clear(); 1612} 1613 1614void ImFontAtlas::ClearInputData() 1615{ 1616 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1617 for (int i = 0; i < ConfigData.Size; i++) 1618 if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas) 1619 { 1620 IM_FREE(ConfigData[i].FontData); 1621 ConfigData[i].FontData = NULL; 1622 } 1623 1624 // When clearing this we lose access to the font name and other information used to build the font. 1625 for (int i = 0; i < Fonts.Size; i++) 1626 if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size) 1627 { 1628 Fonts[i]->ConfigData = NULL; 1629 Fonts[i]->ConfigDataCount = 0; 1630 } 1631 ConfigData.clear(); 1632 CustomRects.clear(); 1633 for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++) 1634 CustomRectIds[n] = -1; 1635} 1636 1637void ImFontAtlas::ClearTexData() 1638{ 1639 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1640 if (TexPixelsAlpha8) 1641 IM_FREE(TexPixelsAlpha8); 1642 if (TexPixelsRGBA32) 1643 IM_FREE(TexPixelsRGBA32); 1644 TexPixelsAlpha8 = NULL; 1645 TexPixelsRGBA32 = NULL; 1646} 1647 1648void ImFontAtlas::ClearFonts() 1649{ 1650 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1651 for (int i = 0; i < Fonts.Size; i++) 1652 IM_DELETE(Fonts[i]); 1653 Fonts.clear(); 1654} 1655 1656void ImFontAtlas::Clear() 1657{ 1658 ClearInputData(); 1659 ClearTexData(); 1660 ClearFonts(); 1661} 1662 1663void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) 1664{ 1665 // Build atlas on demand 1666 if (TexPixelsAlpha8 == NULL) 1667 { 1668 if (ConfigData.empty()) 1669 AddFontDefault(); 1670 Build(); 1671 } 1672 1673 *out_pixels = TexPixelsAlpha8; 1674 if (out_width) *out_width = TexWidth; 1675 if (out_height) *out_height = TexHeight; 1676 if (out_bytes_per_pixel) *out_bytes_per_pixel = 1; 1677} 1678 1679void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) 1680{ 1681 // Convert to RGBA32 format on demand 1682 // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp 1683 if (!TexPixelsRGBA32) 1684 { 1685 unsigned char* pixels = NULL; 1686 GetTexDataAsAlpha8(&pixels, NULL, NULL); 1687 if (pixels) 1688 { 1689 TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4); 1690 const unsigned char* src = pixels; 1691 unsigned int* dst = TexPixelsRGBA32; 1692 for (int n = TexWidth * TexHeight; n > 0; n--) 1693 *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++)); 1694 } 1695 } 1696 1697 *out_pixels = (unsigned char*)TexPixelsRGBA32; 1698 if (out_width) *out_width = TexWidth; 1699 if (out_height) *out_height = TexHeight; 1700 if (out_bytes_per_pixel) *out_bytes_per_pixel = 4; 1701} 1702 1703ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg) 1704{ 1705 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1706 IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0); 1707 IM_ASSERT(font_cfg->SizePixels > 0.0f); 1708 1709 // Create new font 1710 if (!font_cfg->MergeMode) 1711 Fonts.push_back(IM_NEW(ImFont)); 1712 else 1713 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. 1714 1715 ConfigData.push_back(*font_cfg); 1716 ImFontConfig& new_font_cfg = ConfigData.back(); 1717 if (new_font_cfg.DstFont == NULL) 1718 new_font_cfg.DstFont = Fonts.back(); 1719 if (!new_font_cfg.FontDataOwnedByAtlas) 1720 { 1721 new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize); 1722 new_font_cfg.FontDataOwnedByAtlas = true; 1723 memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize); 1724 } 1725 1726 if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1) 1727 new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar; 1728 1729 // Invalidate texture 1730 ClearTexData(); 1731 return new_font_cfg.DstFont; 1732} 1733 1734// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder) 1735static unsigned int stb_decompress_length(const unsigned char *input); 1736static unsigned int stb_decompress(unsigned char *output, const unsigned char *input, unsigned int length); 1737static const char* GetDefaultCompressedFontDataTTFBase85(); 1738static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; } 1739static void Decode85(const unsigned char* src, unsigned char* dst) 1740{ 1741 while (*src) 1742 { 1743 unsigned int tmp = Decode85Byte(src[0]) + 85*(Decode85Byte(src[1]) + 85*(Decode85Byte(src[2]) + 85*(Decode85Byte(src[3]) + 85*Decode85Byte(src[4])))); 1744 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. 1745 src += 5; 1746 dst += 4; 1747 } 1748} 1749 1750// Load embedded ProggyClean.ttf at size 13, disable oversampling 1751ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template) 1752{ 1753 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 1754 if (!font_cfg_template) 1755 { 1756 font_cfg.OversampleH = font_cfg.OversampleV = 1; 1757 font_cfg.PixelSnapH = true; 1758 } 1759 if (font_cfg.SizePixels <= 0.0f) 1760 font_cfg.SizePixels = 13.0f * 1.0f; 1761 if (font_cfg.Name[0] == '\0') 1762 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels); 1763 font_cfg.EllipsisChar = (ImWchar)0x0085; 1764 1765 const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85(); 1766 const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault(); 1767 ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges); 1768 font->DisplayOffset.y = 1.0f; 1769 return font; 1770} 1771 1772ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) 1773{ 1774 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1775 size_t data_size = 0; 1776 void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0); 1777 if (!data) 1778 { 1779 IM_ASSERT_USER_ERROR(0, "Could not load font file!"); 1780 return NULL; 1781 } 1782 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 1783 if (font_cfg.Name[0] == '\0') 1784 { 1785 // Store a short copy of filename into into the font name for convenience 1786 const char* p; 1787 for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {} 1788 ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels); 1789 } 1790 return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges); 1791} 1792 1793// NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build(). 1794ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) 1795{ 1796 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1797 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 1798 IM_ASSERT(font_cfg.FontData == NULL); 1799 font_cfg.FontData = ttf_data; 1800 font_cfg.FontDataSize = ttf_size; 1801 font_cfg.SizePixels = size_pixels; 1802 if (glyph_ranges) 1803 font_cfg.GlyphRanges = glyph_ranges; 1804 return AddFont(&font_cfg); 1805} 1806 1807ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) 1808{ 1809 const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data); 1810 unsigned char* buf_decompressed_data = (unsigned char *)IM_ALLOC(buf_decompressed_size); 1811 stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size); 1812 1813 ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); 1814 IM_ASSERT(font_cfg.FontData == NULL); 1815 font_cfg.FontDataOwnedByAtlas = true; 1816 return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges); 1817} 1818 1819ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges) 1820{ 1821 int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4; 1822 void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size); 1823 Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf); 1824 ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges); 1825 IM_FREE(compressed_ttf); 1826 return font; 1827} 1828 1829int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height) 1830{ 1831 // Breaking change on 2019/11/21 (1.74): ImFontAtlas::AddCustomRectRegular() now requires an ID >= 0x110000 (instead of >= 0x10000) 1832 IM_ASSERT(id >= 0x110000); 1833 IM_ASSERT(width > 0 && width <= 0xFFFF); 1834 IM_ASSERT(height > 0 && height <= 0xFFFF); 1835 ImFontAtlasCustomRect r; 1836 r.ID = id; 1837 r.Width = (unsigned short)width; 1838 r.Height = (unsigned short)height; 1839 CustomRects.push_back(r); 1840 return CustomRects.Size - 1; // Return index 1841} 1842 1843int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset) 1844{ 1845 IM_ASSERT(font != NULL); 1846 IM_ASSERT(width > 0 && width <= 0xFFFF); 1847 IM_ASSERT(height > 0 && height <= 0xFFFF); 1848 ImFontAtlasCustomRect r; 1849 r.ID = id; 1850 r.Width = (unsigned short)width; 1851 r.Height = (unsigned short)height; 1852 r.GlyphAdvanceX = advance_x; 1853 r.GlyphOffset = offset; 1854 r.Font = font; 1855 CustomRects.push_back(r); 1856 return CustomRects.Size - 1; // Return index 1857} 1858 1859void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const 1860{ 1861 IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates 1862 IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed 1863 *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y); 1864 *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y); 1865} 1866 1867bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]) 1868{ 1869 if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT) 1870 return false; 1871 if (Flags & ImFontAtlasFlags_NoMouseCursors) 1872 return false; 1873 1874 IM_ASSERT(CustomRectIds[0] != -1); 1875 ImFontAtlasCustomRect& r = CustomRects[CustomRectIds[0]]; 1876 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID); 1877 ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y); 1878 ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1]; 1879 *out_size = size; 1880 *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2]; 1881 out_uv_border[0] = (pos) * TexUvScale; 1882 out_uv_border[1] = (pos + size) * TexUvScale; 1883 pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1; 1884 out_uv_fill[0] = (pos) * TexUvScale; 1885 out_uv_fill[1] = (pos + size) * TexUvScale; 1886 return true; 1887} 1888 1889bool ImFontAtlas::Build() 1890{ 1891 IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); 1892 return ImFontAtlasBuildWithStbTruetype(this); 1893} 1894 1895void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor) 1896{ 1897 for (unsigned int i = 0; i < 256; i++) 1898 { 1899 unsigned int value = (unsigned int)(i * in_brighten_factor); 1900 out_table[i] = value > 255 ? 255 : (value & 0xFF); 1901 } 1902} 1903 1904void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride) 1905{ 1906 unsigned char* data = pixels + x + y * stride; 1907 for (int j = h; j > 0; j--, data += stride) 1908 for (int i = 0; i < w; i++) 1909 data[i] = table[data[i]]; 1910} 1911 1912// Temporary data for one source font (multiple source fonts can be merged into one destination ImFont) 1913// (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.) 1914struct ImFontBuildSrcData 1915{ 1916 stbtt_fontinfo FontInfo; 1917 stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data) 1918 stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position. 1919 stbtt_packedchar* PackedChars; // Output glyphs 1920 const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF) 1921 int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[] 1922 int GlyphsHighest; // Highest requested codepoint 1923 int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font) 1924 ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB) 1925 ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap) 1926}; 1927 1928// Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont) 1929struct ImFontBuildDstData 1930{ 1931 int SrcCount; // Number of source fonts targeting this destination font. 1932 int GlyphsHighest; 1933 int GlyphsCount; 1934 ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font. 1935}; 1936 1937static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector<int>* out) 1938{ 1939 IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int)); 1940 const ImU32* it_begin = in->Storage.begin(); 1941 const ImU32* it_end = in->Storage.end(); 1942 for (const ImU32* it = it_begin; it < it_end; it++) 1943 if (ImU32 entries_32 = *it) 1944 for (ImU32 bit_n = 0; bit_n < 32; bit_n++) 1945 if (entries_32 & ((ImU32)1 << bit_n)) 1946 out->push_back((int)(((it - it_begin) << 5) + bit_n)); 1947} 1948 1949bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas) 1950{ 1951 IM_ASSERT(atlas->ConfigData.Size > 0); 1952 1953 ImFontAtlasBuildInit(atlas); 1954 1955 // Clear atlas 1956 atlas->TexID = (ImTextureID)NULL; 1957 atlas->TexWidth = atlas->TexHeight = 0; 1958 atlas->TexUvScale = ImVec2(0.0f, 0.0f); 1959 atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f); 1960 atlas->ClearTexData(); 1961 1962 // Temporary storage for building 1963 ImVector<ImFontBuildSrcData> src_tmp_array; 1964 ImVector<ImFontBuildDstData> dst_tmp_array; 1965 src_tmp_array.resize(atlas->ConfigData.Size); 1966 dst_tmp_array.resize(atlas->Fonts.Size); 1967 memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes()); 1968 memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes()); 1969 1970 // 1. Initialize font loading structure, check font data validity 1971 for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++) 1972 { 1973 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 1974 ImFontConfig& cfg = atlas->ConfigData[src_i]; 1975 IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas)); 1976 1977 // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices) 1978 src_tmp.DstIndex = -1; 1979 for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++) 1980 if (cfg.DstFont == atlas->Fonts[output_i]) 1981 src_tmp.DstIndex = output_i; 1982 IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array? 1983 if (src_tmp.DstIndex == -1) 1984 return false; 1985 1986 // Initialize helper structure for font loading and verify that the TTF/OTF data is correct 1987 const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo); 1988 IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found."); 1989 if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset)) 1990 return false; 1991 1992 // Measure highest codepoints 1993 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; 1994 src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault(); 1995 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) 1996 src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]); 1997 dst_tmp.SrcCount++; 1998 dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest); 1999 } 2000 2001 // 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. 2002 int total_glyphs_count = 0; 2003 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2004 { 2005 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2006 ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; 2007 src_tmp.GlyphsSet.Create(src_tmp.GlyphsHighest + 1); 2008 if (dst_tmp.GlyphsSet.Storage.empty()) 2009 dst_tmp.GlyphsSet.Create(dst_tmp.GlyphsHighest + 1); 2010 2011 for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) 2012 for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++) 2013 { 2014 if (dst_tmp.GlyphsSet.TestBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true) 2015 continue; 2016 if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font? 2017 continue; 2018 2019 // Add to avail set/counters 2020 src_tmp.GlyphsCount++; 2021 dst_tmp.GlyphsCount++; 2022 src_tmp.GlyphsSet.SetBit(codepoint); 2023 dst_tmp.GlyphsSet.SetBit(codepoint); 2024 total_glyphs_count++; 2025 } 2026 } 2027 2028 // 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) 2029 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2030 { 2031 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2032 src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount); 2033 UnpackBitVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList); 2034 src_tmp.GlyphsSet.Clear(); 2035 IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount); 2036 } 2037 for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++) 2038 dst_tmp_array[dst_i].GlyphsSet.Clear(); 2039 dst_tmp_array.clear(); 2040 2041 // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0) 2042 // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity) 2043 ImVector<stbrp_rect> buf_rects; 2044 ImVector<stbtt_packedchar> buf_packedchars; 2045 buf_rects.resize(total_glyphs_count); 2046 buf_packedchars.resize(total_glyphs_count); 2047 memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes()); 2048 memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes()); 2049 2050 // 4. Gather glyphs sizes so we can pack them in our virtual canvas. 2051 int total_surface = 0; 2052 int buf_rects_out_n = 0; 2053 int buf_packedchars_out_n = 0; 2054 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2055 { 2056 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2057 if (src_tmp.GlyphsCount == 0) 2058 continue; 2059 2060 src_tmp.Rects = &buf_rects[buf_rects_out_n]; 2061 src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n]; 2062 buf_rects_out_n += src_tmp.GlyphsCount; 2063 buf_packedchars_out_n += src_tmp.GlyphsCount; 2064 2065 // Convert our ranges in the format stb_truetype wants 2066 ImFontConfig& cfg = atlas->ConfigData[src_i]; 2067 src_tmp.PackRange.font_size = cfg.SizePixels; 2068 src_tmp.PackRange.first_unicode_codepoint_in_range = 0; 2069 src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data; 2070 src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size; 2071 src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars; 2072 src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH; 2073 src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV; 2074 2075 // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects) 2076 const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels); 2077 const int padding = atlas->TexGlyphPadding; 2078 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++) 2079 { 2080 int x0, y0, x1, y1; 2081 const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]); 2082 IM_ASSERT(glyph_index_in_font != 0); 2083 stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1); 2084 src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1); 2085 src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1); 2086 total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h; 2087 } 2088 } 2089 2090 // We need a width for the skyline algorithm, any width! 2091 // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height. 2092 // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface. 2093 const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1; 2094 atlas->TexHeight = 0; 2095 if (atlas->TexDesiredWidth > 0) 2096 atlas->TexWidth = atlas->TexDesiredWidth; 2097 else 2098 atlas->TexWidth = (surface_sqrt >= 4096*0.7f) ? 4096 : (surface_sqrt >= 2048*0.7f) ? 2048 : (surface_sqrt >= 1024*0.7f) ? 1024 : 512; 2099 2100 // 5. Start packing 2101 // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values). 2102 const int TEX_HEIGHT_MAX = 1024 * 32; 2103 stbtt_pack_context spc = {}; 2104 stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL); 2105 ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info); 2106 2107 // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point. 2108 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2109 { 2110 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2111 if (src_tmp.GlyphsCount == 0) 2112 continue; 2113 2114 stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount); 2115 2116 // Extend texture height and mark missing glyphs as non-packed so we won't render them. 2117 // 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?) 2118 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) 2119 if (src_tmp.Rects[glyph_i].was_packed) 2120 atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h); 2121 } 2122 2123 // 7. Allocate texture 2124 atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight); 2125 atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight); 2126 atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight); 2127 memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight); 2128 spc.pixels = atlas->TexPixelsAlpha8; 2129 spc.height = atlas->TexHeight; 2130 2131 // 8. Render/rasterize font characters into the texture 2132 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2133 { 2134 ImFontConfig& cfg = atlas->ConfigData[src_i]; 2135 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2136 if (src_tmp.GlyphsCount == 0) 2137 continue; 2138 2139 stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects); 2140 2141 // Apply multiply operator 2142 if (cfg.RasterizerMultiply != 1.0f) 2143 { 2144 unsigned char multiply_table[256]; 2145 ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply); 2146 stbrp_rect* r = &src_tmp.Rects[0]; 2147 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++) 2148 if (r->was_packed) 2149 ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1); 2150 } 2151 src_tmp.Rects = NULL; 2152 } 2153 2154 // End packing 2155 stbtt_PackEnd(&spc); 2156 buf_rects.clear(); 2157 2158 // 9. Setup ImFont and glyphs for runtime 2159 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2160 { 2161 ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; 2162 if (src_tmp.GlyphsCount == 0) 2163 continue; 2164 2165 ImFontConfig& cfg = atlas->ConfigData[src_i]; 2166 ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true) 2167 2168 const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels); 2169 int unscaled_ascent, unscaled_descent, unscaled_line_gap; 2170 stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap); 2171 2172 const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1)); 2173 const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1)); 2174 ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent); 2175 const float font_off_x = cfg.GlyphOffset.x; 2176 const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent); 2177 2178 for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) 2179 { 2180 const int codepoint = src_tmp.GlyphsList[glyph_i]; 2181 const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i]; 2182 2183 const float char_advance_x_org = pc.xadvance; 2184 const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX); 2185 float char_off_x = font_off_x; 2186 if (char_advance_x_org != char_advance_x_mod) 2187 char_off_x += cfg.PixelSnapH ? ImFloor((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f; 2188 2189 // Register glyph 2190 stbtt_aligned_quad q; 2191 float dummy_x = 0.0f, dummy_y = 0.0f; 2192 stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0); 2193 dst_font->AddGlyph((ImWchar)codepoint, q.x0 + char_off_x, q.y0 + font_off_y, q.x1 + char_off_x, q.y1 + font_off_y, q.s0, q.t0, q.s1, q.t1, char_advance_x_mod); 2194 } 2195 } 2196 2197 // Cleanup temporary (ImVector doesn't honor destructor) 2198 for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) 2199 src_tmp_array[src_i].~ImFontBuildSrcData(); 2200 2201 ImFontAtlasBuildFinish(atlas); 2202 return true; 2203} 2204 2205// Register default custom rectangles (this is called/shared by both the stb_truetype and the FreeType builder) 2206void ImFontAtlasBuildInit(ImFontAtlas* atlas) 2207{ 2208 if (atlas->CustomRectIds[0] >= 0) 2209 return; 2210 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) 2211 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF*2+1, FONT_ATLAS_DEFAULT_TEX_DATA_H); 2212 else 2213 atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 2, 2); 2214} 2215 2216void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent) 2217{ 2218 if (!font_config->MergeMode) 2219 { 2220 font->ClearOutputData(); 2221 font->FontSize = font_config->SizePixels; 2222 font->ConfigData = font_config; 2223 font->ContainerAtlas = atlas; 2224 font->Ascent = ascent; 2225 font->Descent = descent; 2226 } 2227 font->ConfigDataCount++; 2228} 2229 2230void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque) 2231{ 2232 stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque; 2233 IM_ASSERT(pack_context != NULL); 2234 2235 ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects; 2236 IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong. 2237 2238 ImVector<stbrp_rect> pack_rects; 2239 pack_rects.resize(user_rects.Size); 2240 memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes()); 2241 for (int i = 0; i < user_rects.Size; i++) 2242 { 2243 pack_rects[i].w = user_rects[i].Width; 2244 pack_rects[i].h = user_rects[i].Height; 2245 } 2246 stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size); 2247 for (int i = 0; i < pack_rects.Size; i++) 2248 if (pack_rects[i].was_packed) 2249 { 2250 user_rects[i].X = pack_rects[i].x; 2251 user_rects[i].Y = pack_rects[i].y; 2252 IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height); 2253 atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h); 2254 } 2255} 2256 2257static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas) 2258{ 2259 IM_ASSERT(atlas->CustomRectIds[0] >= 0); 2260 IM_ASSERT(atlas->TexPixelsAlpha8 != NULL); 2261 ImFontAtlasCustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]]; 2262 IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID); 2263 IM_ASSERT(r.IsPacked()); 2264 2265 const int w = atlas->TexWidth; 2266 if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) 2267 { 2268 // Render/copy pixels 2269 IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H); 2270 for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++) 2271 for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++) 2272 { 2273 const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w; 2274 const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1; 2275 atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00; 2276 atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00; 2277 } 2278 } 2279 else 2280 { 2281 IM_ASSERT(r.Width == 2 && r.Height == 2); 2282 const int offset = (int)(r.X) + (int)(r.Y) * w; 2283 atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF; 2284 } 2285 atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y); 2286} 2287 2288void ImFontAtlasBuildFinish(ImFontAtlas* atlas) 2289{ 2290 // Render into our custom data block 2291 ImFontAtlasBuildRenderDefaultTexData(atlas); 2292 2293 // Register custom rectangle glyphs 2294 for (int i = 0; i < atlas->CustomRects.Size; i++) 2295 { 2296 const ImFontAtlasCustomRect& r = atlas->CustomRects[i]; 2297 if (r.Font == NULL || r.ID >= 0x110000) 2298 continue; 2299 2300 IM_ASSERT(r.Font->ContainerAtlas == atlas); 2301 ImVec2 uv0, uv1; 2302 atlas->CalcCustomRectUV(&r, &uv0, &uv1); 2303 r.Font->AddGlyph((ImWchar)r.ID, r.GlyphOffset.x, r.GlyphOffset.y, r.GlyphOffset.x + r.Width, r.GlyphOffset.y + r.Height, uv0.x, uv0.y, uv1.x, uv1.y, r.GlyphAdvanceX); 2304 } 2305 2306 // Build all fonts lookup tables 2307 for (int i = 0; i < atlas->Fonts.Size; i++) 2308 if (atlas->Fonts[i]->DirtyLookupTables) 2309 atlas->Fonts[i]->BuildLookupTable(); 2310 2311 // Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis). 2312 // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character. 2313 // FIXME: Also note that 0x2026 is currently seldomly included in our font ranges. Because of this we are more likely to use three individual dots. 2314 for (int i = 0; i < atlas->Fonts.size(); i++) 2315 { 2316 ImFont* font = atlas->Fonts[i]; 2317 if (font->EllipsisChar != (ImWchar)-1) 2318 continue; 2319 const ImWchar ellipsis_variants[] = { (ImWchar)0x2026, (ImWchar)0x0085 }; 2320 for (int j = 0; j < IM_ARRAYSIZE(ellipsis_variants); j++) 2321 if (font->FindGlyphNoFallback(ellipsis_variants[j]) != NULL) // Verify glyph exists 2322 { 2323 font->EllipsisChar = ellipsis_variants[j]; 2324 break; 2325 } 2326 } 2327} 2328 2329// Retrieve list of range (2 int per range, values are inclusive) 2330const ImWchar* ImFontAtlas::GetGlyphRangesDefault() 2331{ 2332 static const ImWchar ranges[] = 2333 { 2334 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2335 0, 2336 }; 2337 return &ranges[0]; 2338} 2339 2340const ImWchar* ImFontAtlas::GetGlyphRangesKorean() 2341{ 2342 static const ImWchar ranges[] = 2343 { 2344 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2345 0x3131, 0x3163, // Korean alphabets 2346 0xAC00, 0xD79D, // Korean characters 2347 0, 2348 }; 2349 return &ranges[0]; 2350} 2351 2352const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull() 2353{ 2354 static const ImWchar ranges[] = 2355 { 2356 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2357 0x2000, 0x206F, // General Punctuation 2358 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 2359 0x31F0, 0x31FF, // Katakana Phonetic Extensions 2360 0xFF00, 0xFFEF, // Half-width characters 2361 0x4e00, 0x9FAF, // CJK Ideograms 2362 0, 2363 }; 2364 return &ranges[0]; 2365} 2366 2367static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges) 2368{ 2369 for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2) 2370 { 2371 out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]); 2372 base_codepoint += accumulative_offsets[n]; 2373 } 2374 out_ranges[0] = 0; 2375} 2376 2377//------------------------------------------------------------------------- 2378// [SECTION] ImFontAtlas glyph ranges helpers 2379//------------------------------------------------------------------------- 2380 2381const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon() 2382{ 2383 // Store 2500 regularly used characters for Simplified Chinese. 2384 // 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 2385 // This table covers 97.97% of all characters used during the month in July, 1987. 2386 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. 2387 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) 2388 static const short accumulative_offsets_from_0x4E00[] = 2389 { 2390 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, 2391 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, 2392 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, 2393 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, 2394 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, 2395 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, 2396 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, 2397 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, 2398 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, 2399 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, 2400 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, 2401 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, 2402 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, 2403 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, 2404 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, 2405 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, 2406 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, 2407 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, 2408 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, 2409 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, 2410 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, 2411 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, 2412 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, 2413 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, 2414 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, 2415 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, 2416 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, 2417 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, 2418 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, 2419 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, 2420 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, 2421 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, 2422 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, 2423 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, 2424 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, 2425 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, 2426 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, 2427 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, 2428 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, 2429 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 2430 }; 2431 static ImWchar base_ranges[] = // not zero-terminated 2432 { 2433 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2434 0x2000, 0x206F, // General Punctuation 2435 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 2436 0x31F0, 0x31FF, // Katakana Phonetic Extensions 2437 0xFF00, 0xFFEF // Half-width characters 2438 }; 2439 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 }; 2440 if (!full_ranges[0]) 2441 { 2442 memcpy(full_ranges, base_ranges, sizeof(base_ranges)); 2443 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); 2444 } 2445 return &full_ranges[0]; 2446} 2447 2448const ImWchar* ImFontAtlas::GetGlyphRangesJapanese() 2449{ 2450 // 1946 common ideograms code points for Japanese 2451 // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering 2452 // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this. 2453 // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. 2454 // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) 2455 static const short accumulative_offsets_from_0x4E00[] = 2456 { 2457 0,1,2,4,1,1,1,1,2,1,6,2,2,1,8,5,7,11,1,2,10,10,8,2,4,20,2,11,8,2,1,2,1,6,2,1,7,5,3,7,1,1,13,7,9,1,4,6,1,2,1,10,1,1,9,2,2,4,5,6,14,1,1,9,3,18, 2458 5,4,2,2,10,7,1,1,1,3,2,4,3,23,2,10,12,2,14,2,4,13,1,6,10,3,1,7,13,6,4,13,5,2,3,17,2,2,5,7,6,4,1,7,14,16,6,13,9,15,1,1,7,16,4,7,1,19,9,2,7,15, 2459 2,6,5,13,25,4,14,13,11,25,1,1,1,2,1,2,2,3,10,11,3,3,1,1,4,4,2,1,4,9,1,4,3,5,5,2,7,12,11,15,7,16,4,5,16,2,1,1,6,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1, 2460 2,1,12,3,3,9,5,8,1,11,1,2,3,18,20,4,1,3,6,1,7,3,5,5,7,2,2,12,3,1,4,2,3,2,3,11,8,7,4,17,1,9,25,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,6,16,1,2,1,1,3,12, 2461 20,2,5,20,8,7,6,2,1,1,1,1,6,2,1,2,10,1,1,6,1,3,1,2,1,4,1,12,4,1,3,1,1,1,1,1,10,4,7,5,13,1,15,1,1,30,11,9,1,15,38,14,1,32,17,20,1,9,31,2,21,9, 2462 4,49,22,2,1,13,1,11,45,35,43,55,12,19,83,1,3,2,3,13,2,1,7,3,18,3,13,8,1,8,18,5,3,7,25,24,9,24,40,3,17,24,2,1,6,2,3,16,15,6,7,3,12,1,9,7,3,3, 2463 3,15,21,5,16,4,5,12,11,11,3,6,3,2,31,3,2,1,1,23,6,6,1,4,2,6,5,2,1,1,3,3,22,2,6,2,3,17,3,2,4,5,1,9,5,1,1,6,15,12,3,17,2,14,2,8,1,23,16,4,2,23, 2464 8,15,23,20,12,25,19,47,11,21,65,46,4,3,1,5,6,1,2,5,26,2,1,1,3,11,1,1,1,2,1,2,3,1,1,10,2,3,1,1,1,3,6,3,2,2,6,6,9,2,2,2,6,2,5,10,2,4,1,2,1,2,2, 2465 3,1,1,3,1,2,9,23,9,2,1,1,1,1,5,3,2,1,10,9,6,1,10,2,31,25,3,7,5,40,1,15,6,17,7,27,180,1,3,2,2,1,1,1,6,3,10,7,1,3,6,17,8,6,2,2,1,3,5,5,8,16,14, 2466 15,1,1,4,1,2,1,1,1,3,2,7,5,6,2,5,10,1,4,2,9,1,1,11,6,1,44,1,3,7,9,5,1,3,1,1,10,7,1,10,4,2,7,21,15,7,2,5,1,8,3,4,1,3,1,6,1,4,2,1,4,10,8,1,4,5, 2467 1,5,10,2,7,1,10,1,1,3,4,11,10,29,4,7,3,5,2,3,33,5,2,19,3,1,4,2,6,31,11,1,3,3,3,1,8,10,9,12,11,12,8,3,14,8,6,11,1,4,41,3,1,2,7,13,1,5,6,2,6,12, 2468 12,22,5,9,4,8,9,9,34,6,24,1,1,20,9,9,3,4,1,7,2,2,2,6,2,28,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,8,8,3,2,1,5,1,2,2,3,1,11,11,7,3,6,10,8,6,16,16, 2469 22,7,12,6,21,5,4,6,6,3,6,1,3,2,1,2,8,29,1,10,1,6,13,6,6,19,31,1,13,4,4,22,17,26,33,10,4,15,12,25,6,67,10,2,3,1,6,10,2,6,2,9,1,9,4,4,1,2,16,2, 2470 5,9,2,3,8,1,8,3,9,4,8,6,4,8,11,3,2,1,1,3,26,1,7,5,1,11,1,5,3,5,2,13,6,39,5,1,5,2,11,6,10,5,1,15,5,3,6,19,21,22,2,4,1,6,1,8,1,4,8,2,4,2,2,9,2, 2471 1,1,1,4,3,6,3,12,7,1,14,2,4,10,2,13,1,17,7,3,2,1,3,2,13,7,14,12,3,1,29,2,8,9,15,14,9,14,1,3,1,6,5,9,11,3,38,43,20,7,7,8,5,15,12,19,15,81,8,7, 2472 1,5,73,13,37,28,8,8,1,15,18,20,165,28,1,6,11,8,4,14,7,15,1,3,3,6,4,1,7,14,1,1,11,30,1,5,1,4,14,1,4,2,7,52,2,6,29,3,1,9,1,21,3,5,1,26,3,11,14, 2473 11,1,17,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,7,7,5,17,3,3,3,1,23,10,4,4,6,3,1,16,17,22,3,10,21,16,16,6,4,10,2,1,1,2,8,8,6,5,3,3,3,39,25, 2474 15,1,1,16,6,7,25,15,6,6,12,1,22,13,1,4,9,5,12,2,9,1,12,28,8,3,5,10,22,60,1,2,40,4,61,63,4,1,13,12,1,4,31,12,1,14,89,5,16,6,29,14,2,5,49,18,18, 2475 5,29,33,47,1,17,1,19,12,2,9,7,39,12,3,7,12,39,3,1,46,4,12,3,8,9,5,31,15,18,3,2,2,66,19,13,17,5,3,46,124,13,57,34,2,5,4,5,8,1,1,1,4,3,1,17,5, 2476 3,5,3,1,8,5,6,3,27,3,26,7,12,7,2,17,3,7,18,78,16,4,36,1,2,1,6,2,1,39,17,7,4,13,4,4,4,1,10,4,2,4,6,3,10,1,19,1,26,2,4,33,2,73,47,7,3,8,2,4,15, 2477 18,1,29,2,41,14,1,21,16,41,7,39,25,13,44,2,2,10,1,13,7,1,7,3,5,20,4,8,2,49,1,10,6,1,6,7,10,7,11,16,3,12,20,4,10,3,1,2,11,2,28,9,2,4,7,2,15,1, 2478 27,1,28,17,4,5,10,7,3,24,10,11,6,26,3,2,7,2,2,49,16,10,16,15,4,5,27,61,30,14,38,22,2,7,5,1,3,12,23,24,17,17,3,3,2,4,1,6,2,7,5,1,1,5,1,1,9,4, 2479 1,3,6,1,8,2,8,4,14,3,5,11,4,1,3,32,1,19,4,1,13,11,5,2,1,8,6,8,1,6,5,13,3,23,11,5,3,16,3,9,10,1,24,3,198,52,4,2,2,5,14,5,4,22,5,20,4,11,6,41, 2480 1,5,2,2,11,5,2,28,35,8,22,3,18,3,10,7,5,3,4,1,5,3,8,9,3,6,2,16,22,4,5,5,3,3,18,23,2,6,23,5,27,8,1,33,2,12,43,16,5,2,3,6,1,20,4,2,9,7,1,11,2, 2481 10,3,14,31,9,3,25,18,20,2,5,5,26,14,1,11,17,12,40,19,9,6,31,83,2,7,9,19,78,12,14,21,76,12,113,79,34,4,1,1,61,18,85,10,2,2,13,31,11,50,6,33,159, 2482 179,6,6,7,4,4,2,4,2,5,8,7,20,32,22,1,3,10,6,7,28,5,10,9,2,77,19,13,2,5,1,4,4,7,4,13,3,9,31,17,3,26,2,6,6,5,4,1,7,11,3,4,2,1,6,2,20,4,1,9,2,6, 2483 3,7,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,5,13,8,4,11,23,1,10,6,2,1,3,21,2,2,4,24,31,4,10,10,2,5,192,15,4,16,7,9,51,1,2,1,1,5,1,1,2,1,3,5,3,1,3,4,1, 2484 3,1,3,3,9,8,1,2,2,2,4,4,18,12,92,2,10,4,3,14,5,25,16,42,4,14,4,2,21,5,126,30,31,2,1,5,13,3,22,5,6,6,20,12,1,14,12,87,3,19,1,8,2,9,9,3,3,23,2, 2485 3,7,6,3,1,2,3,9,1,3,1,6,3,2,1,3,11,3,1,6,10,3,2,3,1,2,1,5,1,1,11,3,6,4,1,7,2,1,2,5,5,34,4,14,18,4,19,7,5,8,2,6,79,1,5,2,14,8,2,9,2,1,36,28,16, 2486 4,1,1,1,2,12,6,42,39,16,23,7,15,15,3,2,12,7,21,64,6,9,28,8,12,3,3,41,59,24,51,55,57,294,9,9,2,6,2,15,1,2,13,38,90,9,9,9,3,11,7,1,1,1,5,6,3,2, 2487 1,2,2,3,8,1,4,4,1,5,7,1,4,3,20,4,9,1,1,1,5,5,17,1,5,2,6,2,4,1,4,5,7,3,18,11,11,32,7,5,4,7,11,127,8,4,3,3,1,10,1,1,6,21,14,1,16,1,7,1,3,6,9,65, 2488 51,4,3,13,3,10,1,1,12,9,21,110,3,19,24,1,1,10,62,4,1,29,42,78,28,20,18,82,6,3,15,6,84,58,253,15,155,264,15,21,9,14,7,58,40,39, 2489 }; 2490 static ImWchar base_ranges[] = // not zero-terminated 2491 { 2492 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2493 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 2494 0x31F0, 0x31FF, // Katakana Phonetic Extensions 2495 0xFF00, 0xFFEF // Half-width characters 2496 }; 2497 static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 }; 2498 if (!full_ranges[0]) 2499 { 2500 memcpy(full_ranges, base_ranges, sizeof(base_ranges)); 2501 UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); 2502 } 2503 return &full_ranges[0]; 2504} 2505 2506const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic() 2507{ 2508 static const ImWchar ranges[] = 2509 { 2510 0x0020, 0x00FF, // Basic Latin + Latin Supplement 2511 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement 2512 0x2DE0, 0x2DFF, // Cyrillic Extended-A 2513 0xA640, 0xA69F, // Cyrillic Extended-B 2514 0, 2515 }; 2516 return &ranges[0]; 2517} 2518 2519const ImWchar* ImFontAtlas::GetGlyphRangesThai() 2520{ 2521 static const ImWchar ranges[] = 2522 { 2523 0x0020, 0x00FF, // Basic Latin 2524 0x2010, 0x205E, // Punctuations 2525 0x0E00, 0x0E7F, // Thai 2526 0, 2527 }; 2528 return &ranges[0]; 2529} 2530 2531const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese() 2532{ 2533 static const ImWchar ranges[] = 2534 { 2535 0x0020, 0x00FF, // Basic Latin 2536 0x0102, 0x0103, 2537 0x0110, 0x0111, 2538 0x0128, 0x0129, 2539 0x0168, 0x0169, 2540 0x01A0, 0x01A1, 2541 0x01AF, 0x01B0, 2542 0x1EA0, 0x1EF9, 2543 0, 2544 }; 2545 return &ranges[0]; 2546} 2547 2548//----------------------------------------------------------------------------- 2549// [SECTION] ImFontGlyphRangesBuilder 2550//----------------------------------------------------------------------------- 2551 2552void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end) 2553{ 2554 while (text_end ? (text < text_end) : *text) 2555 { 2556 unsigned int c = 0; 2557 int c_len = ImTextCharFromUtf8(&c, text, text_end); 2558 text += c_len; 2559 if (c_len == 0) 2560 break; 2561 AddChar((ImWchar)c); 2562 } 2563} 2564 2565void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges) 2566{ 2567 for (; ranges[0]; ranges += 2) 2568 for (ImWchar c = ranges[0]; c <= ranges[1]; c++) 2569 AddChar(c); 2570} 2571 2572void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges) 2573{ 2574 const int max_codepoint = IM_UNICODE_CODEPOINT_MAX; 2575 for (int n = 0; n <= max_codepoint; n++) 2576 if (GetBit(n)) 2577 { 2578 out_ranges->push_back((ImWchar)n); 2579 while (n < max_codepoint && GetBit(n + 1)) 2580 n++; 2581 out_ranges->push_back((ImWchar)n); 2582 } 2583 out_ranges->push_back(0); 2584} 2585 2586//----------------------------------------------------------------------------- 2587// [SECTION] ImFont 2588//----------------------------------------------------------------------------- 2589 2590ImFont::ImFont() 2591{ 2592 FontSize = 0.0f; 2593 FallbackAdvanceX = 0.0f; 2594 FallbackChar = (ImWchar)'?'; 2595 EllipsisChar = (ImWchar)-1; 2596 DisplayOffset = ImVec2(0.0f, 0.0f); 2597 FallbackGlyph = NULL; 2598 ContainerAtlas = NULL; 2599 ConfigData = NULL; 2600 ConfigDataCount = 0; 2601 DirtyLookupTables = false; 2602 Scale = 1.0f; 2603 Ascent = Descent = 0.0f; 2604 MetricsTotalSurface = 0; 2605 memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); 2606} 2607 2608ImFont::~ImFont() 2609{ 2610 ClearOutputData(); 2611} 2612 2613void ImFont::ClearOutputData() 2614{ 2615 FontSize = 0.0f; 2616 FallbackAdvanceX = 0.0f; 2617 Glyphs.clear(); 2618 IndexAdvanceX.clear(); 2619 IndexLookup.clear(); 2620 FallbackGlyph = NULL; 2621 ContainerAtlas = NULL; 2622 DirtyLookupTables = true; 2623 Ascent = Descent = 0.0f; 2624 MetricsTotalSurface = 0; 2625} 2626 2627void ImFont::BuildLookupTable() 2628{ 2629 int max_codepoint = 0; 2630 for (int i = 0; i != Glyphs.Size; i++) 2631 max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint); 2632 2633 // Build lookup table 2634 IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved 2635 IndexAdvanceX.clear(); 2636 IndexLookup.clear(); 2637 DirtyLookupTables = false; 2638 memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); 2639 GrowIndex(max_codepoint + 1); 2640 for (int i = 0; i < Glyphs.Size; i++) 2641 { 2642 int codepoint = (int)Glyphs[i].Codepoint; 2643 IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX; 2644 IndexLookup[codepoint] = (ImWchar)i; 2645 2646 // Mark 4K page as used 2647 const int page_n = codepoint / 4096; 2648 Used4kPagesMap[page_n >> 3] |= 1 << (page_n & 7); 2649 } 2650 2651 // Create a glyph to handle TAB 2652 // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?) 2653 if (FindGlyph((ImWchar)' ')) 2654 { 2655 if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky) 2656 Glyphs.resize(Glyphs.Size + 1); 2657 ImFontGlyph& tab_glyph = Glyphs.back(); 2658 tab_glyph = *FindGlyph((ImWchar)' '); 2659 tab_glyph.Codepoint = '\t'; 2660 tab_glyph.AdvanceX *= IM_TABSIZE; 2661 IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX; 2662 IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size-1); 2663 } 2664 2665 // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons) 2666 SetGlyphVisible((ImWchar)' ', false); 2667 SetGlyphVisible((ImWchar)'\t', false); 2668 2669 // Setup fall-backs 2670 FallbackGlyph = FindGlyphNoFallback(FallbackChar); 2671 FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f; 2672 for (int i = 0; i < max_codepoint + 1; i++) 2673 if (IndexAdvanceX[i] < 0.0f) 2674 IndexAdvanceX[i] = FallbackAdvanceX; 2675} 2676 2677// API is designed this way to avoid exposing the 4K page size 2678// e.g. use with IsGlyphRangeUnused(0, 255) 2679bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last) 2680{ 2681 unsigned int page_begin = (c_begin / 4096); 2682 unsigned int page_last = (c_last / 4096); 2683 for (unsigned int page_n = page_begin; page_n <= page_last; page_n++) 2684 if ((page_n >> 3) < sizeof(Used4kPagesMap)) 2685 if (Used4kPagesMap[page_n >> 3] & (1 << (page_n & 7))) 2686 return false; 2687 return true; 2688} 2689 2690void ImFont::SetGlyphVisible(ImWchar c, bool visible) 2691{ 2692 if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)c)) 2693 glyph->Visible = visible ? 1 : 0; 2694} 2695 2696void ImFont::SetFallbackChar(ImWchar c) 2697{ 2698 FallbackChar = c; 2699 BuildLookupTable(); 2700} 2701 2702void ImFont::GrowIndex(int new_size) 2703{ 2704 IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size); 2705 if (new_size <= IndexLookup.Size) 2706 return; 2707 IndexAdvanceX.resize(new_size, -1.0f); 2708 IndexLookup.resize(new_size, (ImWchar)-1); 2709} 2710 2711// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. 2712// 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). 2713void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x) 2714{ 2715 Glyphs.resize(Glyphs.Size + 1); 2716 ImFontGlyph& glyph = Glyphs.back(); 2717 glyph.Codepoint = (unsigned int)codepoint; 2718 glyph.Visible = (x0 != x1) && (y0 != y1); 2719 glyph.X0 = x0; 2720 glyph.Y0 = y0; 2721 glyph.X1 = x1; 2722 glyph.Y1 = y1; 2723 glyph.U0 = u0; 2724 glyph.V0 = v0; 2725 glyph.U1 = u1; 2726 glyph.V1 = v1; 2727 glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX 2728 2729 if (ConfigData->PixelSnapH) 2730 glyph.AdvanceX = IM_ROUND(glyph.AdvanceX); 2731 2732 // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round) 2733 DirtyLookupTables = true; 2734 MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f); 2735} 2736 2737void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst) 2738{ 2739 IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function. 2740 unsigned int index_size = (unsigned int)IndexLookup.Size; 2741 2742 if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists 2743 return; 2744 if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op 2745 return; 2746 2747 GrowIndex(dst + 1); 2748 IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1; 2749 IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f; 2750} 2751 2752const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const 2753{ 2754 if (c >= (size_t)IndexLookup.Size) 2755 return FallbackGlyph; 2756 const ImWchar i = IndexLookup.Data[c]; 2757 if (i == (ImWchar)-1) 2758 return FallbackGlyph; 2759 return &Glyphs.Data[i]; 2760} 2761 2762const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const 2763{ 2764 if (c >= (size_t)IndexLookup.Size) 2765 return NULL; 2766 const ImWchar i = IndexLookup.Data[c]; 2767 if (i == (ImWchar)-1) 2768 return NULL; 2769 return &Glyphs.Data[i]; 2770} 2771 2772const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const 2773{ 2774 // Simple word-wrapping for English, not full-featured. Please submit failing cases! 2775 // 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.) 2776 2777 // For references, possible wrap point marked with ^ 2778 // "aaa bbb, ccc,ddd. eee fff. ggg!" 2779 // ^ ^ ^ ^ ^__ ^ ^ 2780 2781 // List of hardcoded separators: .,;!?'" 2782 2783 // Skip extra blanks after a line returns (that includes not counting them in width computation) 2784 // e.g. "Hello world" --> "Hello" "World" 2785 2786 // Cut words that cannot possibly fit within one line. 2787 // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish" 2788 2789 float line_width = 0.0f; 2790 float word_width = 0.0f; 2791 float blank_width = 0.0f; 2792 wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters 2793 2794 const char* word_end = text; 2795 const char* prev_word_end = NULL; 2796 bool inside_word = true; 2797 2798 const char* s = text; 2799 while (s < text_end) 2800 { 2801 unsigned int c = (unsigned int)*s; 2802 const char* next_s; 2803 if (c < 0x80) 2804 next_s = s + 1; 2805 else 2806 next_s = s + ImTextCharFromUtf8(&c, s, text_end); 2807 if (c == 0) 2808 break; 2809 2810 if (c < 32) 2811 { 2812 if (c == '\n') 2813 { 2814 line_width = word_width = blank_width = 0.0f; 2815 inside_word = true; 2816 s = next_s; 2817 continue; 2818 } 2819 if (c == '\r') 2820 { 2821 s = next_s; 2822 continue; 2823 } 2824 } 2825 2826 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX); 2827 if (ImCharIsBlankW(c)) 2828 { 2829 if (inside_word) 2830 { 2831 line_width += blank_width; 2832 blank_width = 0.0f; 2833 word_end = s; 2834 } 2835 blank_width += char_width; 2836 inside_word = false; 2837 } 2838 else 2839 { 2840 word_width += char_width; 2841 if (inside_word) 2842 { 2843 word_end = next_s; 2844 } 2845 else 2846 { 2847 prev_word_end = word_end; 2848 line_width += word_width + blank_width; 2849 word_width = blank_width = 0.0f; 2850 } 2851 2852 // Allow wrapping after punctuation. 2853 inside_word = !(c == '.' || c == ',' || c == ';' || c == '!' || c == '?' || c == '\"'); 2854 } 2855 2856 // We ignore blank width at the end of the line (they can be skipped) 2857 if (line_width + word_width > wrap_width) 2858 { 2859 // Words that cannot possibly fit within an entire line will be cut anywhere. 2860 if (word_width < wrap_width) 2861 s = prev_word_end ? prev_word_end : word_end; 2862 break; 2863 } 2864 2865 s = next_s; 2866 } 2867 2868 return s; 2869} 2870 2871ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const 2872{ 2873 if (!text_end) 2874 text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this. 2875 2876 const float line_height = size; 2877 const float scale = size / FontSize; 2878 2879 ImVec2 text_size = ImVec2(0,0); 2880 float line_width = 0.0f; 2881 2882 const bool word_wrap_enabled = (wrap_width > 0.0f); 2883 const char* word_wrap_eol = NULL; 2884 2885 const char* s = text_begin; 2886 while (s < text_end) 2887 { 2888 if (word_wrap_enabled) 2889 { 2890 // 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. 2891 if (!word_wrap_eol) 2892 { 2893 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width); 2894 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. 2895 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 2896 } 2897 2898 if (s >= word_wrap_eol) 2899 { 2900 if (text_size.x < line_width) 2901 text_size.x = line_width; 2902 text_size.y += line_height; 2903 line_width = 0.0f; 2904 word_wrap_eol = NULL; 2905 2906 // Wrapping skips upcoming blanks 2907 while (s < text_end) 2908 { 2909 const char c = *s; 2910 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } 2911 } 2912 continue; 2913 } 2914 } 2915 2916 // Decode and advance source 2917 const char* prev_s = s; 2918 unsigned int c = (unsigned int)*s; 2919 if (c < 0x80) 2920 { 2921 s += 1; 2922 } 2923 else 2924 { 2925 s += ImTextCharFromUtf8(&c, s, text_end); 2926 if (c == 0) // Malformed UTF-8? 2927 break; 2928 } 2929 2930 if (c < 32) 2931 { 2932 if (c == '\n') 2933 { 2934 text_size.x = ImMax(text_size.x, line_width); 2935 text_size.y += line_height; 2936 line_width = 0.0f; 2937 continue; 2938 } 2939 if (c == '\r') 2940 continue; 2941 } 2942 2943 const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale; 2944 if (line_width + char_width >= max_width) 2945 { 2946 s = prev_s; 2947 break; 2948 } 2949 2950 line_width += char_width; 2951 } 2952 2953 if (text_size.x < line_width) 2954 text_size.x = line_width; 2955 2956 if (line_width > 0 || text_size.y == 0.0f) 2957 text_size.y += line_height; 2958 2959 if (remaining) 2960 *remaining = s; 2961 2962 return text_size; 2963} 2964 2965void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const 2966{ 2967 const ImFontGlyph* glyph = FindGlyph(c); 2968 if (!glyph || !glyph->Visible) 2969 return; 2970 float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f; 2971 pos.x = IM_FLOOR(pos.x + DisplayOffset.x); 2972 pos.y = IM_FLOOR(pos.y + DisplayOffset.y); 2973 draw_list->PrimReserve(6, 4); 2974 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); 2975} 2976 2977void 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 2978{ 2979 if (!text_end) 2980 text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls. 2981 2982 // Align to be pixel perfect 2983 pos.x = IM_FLOOR(pos.x + DisplayOffset.x); 2984 pos.y = IM_FLOOR(pos.y + DisplayOffset.y); 2985 float x = pos.x; 2986 float y = pos.y; 2987 if (y > clip_rect.w) 2988 return; 2989 2990 const float scale = size / FontSize; 2991 const float line_height = FontSize * scale; 2992 const bool word_wrap_enabled = (wrap_width > 0.0f); 2993 const char* word_wrap_eol = NULL; 2994 2995 // Fast-forward to first visible line 2996 const char* s = text_begin; 2997 if (y + line_height < clip_rect.y && !word_wrap_enabled) 2998 while (y + line_height < clip_rect.y && s < text_end) 2999 { 3000 s = (const char*)memchr(s, '\n', text_end - s); 3001 s = s ? s + 1 : text_end; 3002 y += line_height; 3003 } 3004 3005 // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve() 3006 // 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) 3007 if (text_end - s > 10000 && !word_wrap_enabled) 3008 { 3009 const char* s_end = s; 3010 float y_end = y; 3011 while (y_end < clip_rect.w && s_end < text_end) 3012 { 3013 s_end = (const char*)memchr(s_end, '\n', text_end - s_end); 3014 s_end = s_end ? s_end + 1 : text_end; 3015 y_end += line_height; 3016 } 3017 text_end = s_end; 3018 } 3019 if (s == text_end) 3020 return; 3021 3022 // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized) 3023 const int vtx_count_max = (int)(text_end - s) * 4; 3024 const int idx_count_max = (int)(text_end - s) * 6; 3025 const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max; 3026 draw_list->PrimReserve(idx_count_max, vtx_count_max); 3027 3028 ImDrawVert* vtx_write = draw_list->_VtxWritePtr; 3029 ImDrawIdx* idx_write = draw_list->_IdxWritePtr; 3030 unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx; 3031 3032 while (s < text_end) 3033 { 3034 if (word_wrap_enabled) 3035 { 3036 // 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. 3037 if (!word_wrap_eol) 3038 { 3039 word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x)); 3040 if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. 3041 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 3042 } 3043 3044 if (s >= word_wrap_eol) 3045 { 3046 x = pos.x; 3047 y += line_height; 3048 word_wrap_eol = NULL; 3049 3050 // Wrapping skips upcoming blanks 3051 while (s < text_end) 3052 { 3053 const char c = *s; 3054 if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } 3055 } 3056 continue; 3057 } 3058 } 3059 3060 // Decode and advance source 3061 unsigned int c = (unsigned int)*s; 3062 if (c < 0x80) 3063 { 3064 s += 1; 3065 } 3066 else 3067 { 3068 s += ImTextCharFromUtf8(&c, s, text_end); 3069 if (c == 0) // Malformed UTF-8? 3070 break; 3071 } 3072 3073 if (c < 32) 3074 { 3075 if (c == '\n') 3076 { 3077 x = pos.x; 3078 y += line_height; 3079 if (y > clip_rect.w) 3080 break; // break out of main loop 3081 continue; 3082 } 3083 if (c == '\r') 3084 continue; 3085 } 3086 3087 const ImFontGlyph* glyph = FindGlyph((ImWchar)c); 3088 if (glyph == NULL) 3089 continue; 3090 3091 float char_width = glyph->AdvanceX * scale; 3092 if (glyph->Visible) 3093 { 3094 // 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 3095 float x1 = x + glyph->X0 * scale; 3096 float x2 = x + glyph->X1 * scale; 3097 float y1 = y + glyph->Y0 * scale; 3098 float y2 = y + glyph->Y1 * scale; 3099 if (x1 <= clip_rect.z && x2 >= clip_rect.x) 3100 { 3101 // Render a character 3102 float u1 = glyph->U0; 3103 float v1 = glyph->V0; 3104 float u2 = glyph->U1; 3105 float v2 = glyph->V1; 3106 3107 // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads. 3108 if (cpu_fine_clip) 3109 { 3110 if (x1 < clip_rect.x) 3111 { 3112 u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1); 3113 x1 = clip_rect.x; 3114 } 3115 if (y1 < clip_rect.y) 3116 { 3117 v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1); 3118 y1 = clip_rect.y; 3119 } 3120 if (x2 > clip_rect.z) 3121 { 3122 u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1); 3123 x2 = clip_rect.z; 3124 } 3125 if (y2 > clip_rect.w) 3126 { 3127 v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1); 3128 y2 = clip_rect.w; 3129 } 3130 if (y1 >= y2) 3131 { 3132 x += char_width; 3133 continue; 3134 } 3135 } 3136 3137 // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here: 3138 { 3139 idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2); 3140 idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3); 3141 vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1; 3142 vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1; 3143 vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2; 3144 vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2; 3145 vtx_write += 4; 3146 vtx_current_idx += 4; 3147 idx_write += 6; 3148 } 3149 } 3150 } 3151 x += char_width; 3152 } 3153 3154 // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action. 3155 draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink() 3156 draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data); 3157 draw_list->CmdBuffer[draw_list->CmdBuffer.Size-1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size); 3158 draw_list->_VtxWritePtr = vtx_write; 3159 draw_list->_IdxWritePtr = idx_write; 3160 draw_list->_VtxCurrentIdx = vtx_current_idx; 3161} 3162 3163//----------------------------------------------------------------------------- 3164// [SECTION] ImGui Internal Render Helpers 3165//----------------------------------------------------------------------------- 3166// Vaguely redesigned to stop accessing ImGui global state: 3167// - RenderArrow() 3168// - RenderBullet() 3169// - RenderCheckMark() 3170// - RenderMouseCursor() 3171// - RenderArrowPointingAt() 3172// - RenderRectFilledRangeH() 3173//----------------------------------------------------------------------------- 3174// Function in need of a redesign (legacy mess) 3175// - RenderColorRectWithAlphaCheckerboard() 3176//----------------------------------------------------------------------------- 3177 3178// 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 3179void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale) 3180{ 3181 const float h = draw_list->_Data->FontSize * 1.00f; 3182 float r = h * 0.40f * scale; 3183 ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale); 3184 3185 ImVec2 a, b, c; 3186 switch (dir) 3187 { 3188 case ImGuiDir_Up: 3189 case ImGuiDir_Down: 3190 if (dir == ImGuiDir_Up) r = -r; 3191 a = ImVec2(+0.000f, +0.750f) * r; 3192 b = ImVec2(-0.866f, -0.750f) * r; 3193 c = ImVec2(+0.866f, -0.750f) * r; 3194 break; 3195 case ImGuiDir_Left: 3196 case ImGuiDir_Right: 3197 if (dir == ImGuiDir_Left) r = -r; 3198 a = ImVec2(+0.750f, +0.000f) * r; 3199 b = ImVec2(-0.750f, +0.866f) * r; 3200 c = ImVec2(-0.750f, -0.866f) * r; 3201 break; 3202 case ImGuiDir_None: 3203 case ImGuiDir_COUNT: 3204 IM_ASSERT(0); 3205 break; 3206 } 3207 draw_list->AddTriangleFilled(center + a, center + b, center + c, col); 3208} 3209 3210void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col) 3211{ 3212 draw_list->AddCircleFilled(pos, draw_list->_Data->FontSize * 0.20f, col, 8); 3213} 3214 3215void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz) 3216{ 3217 float thickness = ImMax(sz / 5.0f, 1.0f); 3218 sz -= thickness * 0.5f; 3219 pos += ImVec2(thickness * 0.25f, thickness * 0.25f); 3220 3221 float third = sz / 3.0f; 3222 float bx = pos.x + third; 3223 float by = pos.y + sz - third * 0.5f; 3224 draw_list->PathLineTo(ImVec2(bx - third, by - third)); 3225 draw_list->PathLineTo(ImVec2(bx, by)); 3226 draw_list->PathLineTo(ImVec2(bx + third * 2.0f, by - third * 2.0f)); 3227 draw_list->PathStroke(col, false, thickness); 3228} 3229 3230void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow) 3231{ 3232 if (mouse_cursor == ImGuiMouseCursor_None) 3233 return; 3234 IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT); 3235 3236 ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas; 3237 ImVec2 offset, size, uv[4]; 3238 if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2])) 3239 { 3240 pos -= offset; 3241 const ImTextureID tex_id = font_atlas->TexID; 3242 draw_list->PushTextureID(tex_id); 3243 draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow); 3244 draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow); 3245 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border); 3246 draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill); 3247 draw_list->PopTextureID(); 3248 } 3249} 3250 3251// 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. 3252void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col) 3253{ 3254 switch (direction) 3255 { 3256 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; 3257 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; 3258 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; 3259 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; 3260 case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings 3261 } 3262} 3263 3264static inline float ImAcos01(float x) 3265{ 3266 if (x <= 0.0f) return IM_PI * 0.5f; 3267 if (x >= 1.0f) return 0.0f; 3268 return ImAcos(x); 3269 //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do. 3270} 3271 3272// FIXME: Cleanup and move code to ImDrawList. 3273void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding) 3274{ 3275 if (x_end_norm == x_start_norm) 3276 return; 3277 if (x_start_norm > x_end_norm) 3278 ImSwap(x_start_norm, x_end_norm); 3279 3280 ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y); 3281 ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y); 3282 if (rounding == 0.0f) 3283 { 3284 draw_list->AddRectFilled(p0, p1, col, 0.0f); 3285 return; 3286 } 3287 3288 rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding); 3289 const float inv_rounding = 1.0f / rounding; 3290 const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding); 3291 const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding); 3292 const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return. 3293 const float x0 = ImMax(p0.x, rect.Min.x + rounding); 3294 if (arc0_b == arc0_e) 3295 { 3296 draw_list->PathLineTo(ImVec2(x0, p1.y)); 3297 draw_list->PathLineTo(ImVec2(x0, p0.y)); 3298 } 3299 else if (arc0_b == 0.0f && arc0_e == half_pi) 3300 { 3301 draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL 3302 draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR 3303 } 3304 else 3305 { 3306 draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL 3307 draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR 3308 } 3309 if (p1.x > rect.Min.x + rounding) 3310 { 3311 const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding); 3312 const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding); 3313 const float x1 = ImMin(p1.x, rect.Max.x - rounding); 3314 if (arc1_b == arc1_e) 3315 { 3316 draw_list->PathLineTo(ImVec2(x1, p0.y)); 3317 draw_list->PathLineTo(ImVec2(x1, p1.y)); 3318 } 3319 else if (arc1_b == 0.0f && arc1_e == half_pi) 3320 { 3321 draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR 3322 draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR 3323 } 3324 else 3325 { 3326 draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR 3327 draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR 3328 } 3329 } 3330 draw_list->PathFillConvex(col); 3331} 3332 3333// Helper for ColorPicker4() 3334// 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. 3335// 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 alltogether. 3336// FIXME: uses ImGui::GetColorU32 3337void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, int rounding_corners_flags) 3338{ 3339 if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF) 3340 { 3341 ImU32 col_bg1 = ImGui::GetColorU32(ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col)); 3342 ImU32 col_bg2 = ImGui::GetColorU32(ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col)); 3343 draw_list->AddRectFilled(p_min, p_max, col_bg1, rounding, rounding_corners_flags); 3344 3345 int yi = 0; 3346 for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++) 3347 { 3348 float y1 = ImClamp(y, p_min.y, p_max.y), y2 = ImMin(y + grid_step, p_max.y); 3349 if (y2 <= y1) 3350 continue; 3351 for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f) 3352 { 3353 float x1 = ImClamp(x, p_min.x, p_max.x), x2 = ImMin(x + grid_step, p_max.x); 3354 if (x2 <= x1) 3355 continue; 3356 int rounding_corners_flags_cell = 0; 3357 if (y1 <= p_min.y) { if (x1 <= p_min.x) rounding_corners_flags_cell |= ImDrawCornerFlags_TopLeft; if (x2 >= p_max.x) rounding_corners_flags_cell |= ImDrawCornerFlags_TopRight; } 3358 if (y2 >= p_max.y) { if (x1 <= p_min.x) rounding_corners_flags_cell |= ImDrawCornerFlags_BotLeft; if (x2 >= p_max.x) rounding_corners_flags_cell |= ImDrawCornerFlags_BotRight; } 3359 rounding_corners_flags_cell &= rounding_corners_flags; 3360 draw_list->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), col_bg2, rounding_corners_flags_cell ? rounding : 0.0f, rounding_corners_flags_cell); 3361 } 3362 } 3363 } 3364 else 3365 { 3366 draw_list->AddRectFilled(p_min, p_max, col, rounding, rounding_corners_flags); 3367 } 3368} 3369 3370//----------------------------------------------------------------------------- 3371// [SECTION] Decompression code 3372//----------------------------------------------------------------------------- 3373// Compressed with stb_compress() then converted to a C array and encoded as base85. 3374// Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file. 3375// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. 3376// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h 3377//----------------------------------------------------------------------------- 3378 3379static unsigned int stb_decompress_length(const unsigned char *input) 3380{ 3381 return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11]; 3382} 3383 3384static unsigned char *stb__barrier_out_e, *stb__barrier_out_b; 3385static const unsigned char *stb__barrier_in_b; 3386static unsigned char *stb__dout; 3387static void stb__match(const unsigned char *data, unsigned int length) 3388{ 3389 // INVERSE of memmove... write each byte before copying the next... 3390 IM_ASSERT(stb__dout + length <= stb__barrier_out_e); 3391 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } 3392 if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; } 3393 while (length--) *stb__dout++ = *data++; 3394} 3395 3396static void stb__lit(const unsigned char *data, unsigned int length) 3397{ 3398 IM_ASSERT(stb__dout + length <= stb__barrier_out_e); 3399 if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } 3400 if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; } 3401 memcpy(stb__dout, data, length); 3402 stb__dout += length; 3403} 3404 3405#define stb__in2(x) ((i[x] << 8) + i[(x)+1]) 3406#define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1)) 3407#define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1)) 3408 3409static const unsigned char *stb_decompress_token(const unsigned char *i) 3410{ 3411 if (*i >= 0x20) { // use fewer if's for cases that expand small 3412 if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2; 3413 else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3; 3414 else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1); 3415 } else { // more ifs for cases that expand large, since overhead is amortized 3416 if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4; 3417 else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5; 3418 else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1); 3419 else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1); 3420 else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5; 3421 else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6; 3422 } 3423 return i; 3424} 3425 3426static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen) 3427{ 3428 const unsigned long ADLER_MOD = 65521; 3429 unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; 3430 unsigned long blocklen = buflen % 5552; 3431 3432 unsigned long i; 3433 while (buflen) { 3434 for (i=0; i + 7 < blocklen; i += 8) { 3435 s1 += buffer[0], s2 += s1; 3436 s1 += buffer[1], s2 += s1; 3437 s1 += buffer[2], s2 += s1; 3438 s1 += buffer[3], s2 += s1; 3439 s1 += buffer[4], s2 += s1; 3440 s1 += buffer[5], s2 += s1; 3441 s1 += buffer[6], s2 += s1; 3442 s1 += buffer[7], s2 += s1; 3443 3444 buffer += 8; 3445 } 3446 3447 for (; i < blocklen; ++i) 3448 s1 += *buffer++, s2 += s1; 3449 3450 s1 %= ADLER_MOD, s2 %= ADLER_MOD; 3451 buflen -= blocklen; 3452 blocklen = 5552; 3453 } 3454 return (unsigned int)(s2 << 16) + (unsigned int)s1; 3455} 3456 3457static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/) 3458{ 3459 if (stb__in4(0) != 0x57bC0000) return 0; 3460 if (stb__in4(4) != 0) return 0; // error! stream is > 4GB 3461 const unsigned int olen = stb_decompress_length(i); 3462 stb__barrier_in_b = i; 3463 stb__barrier_out_e = output + olen; 3464 stb__barrier_out_b = output; 3465 i += 16; 3466 3467 stb__dout = output; 3468 for (;;) { 3469 const unsigned char *old_i = i; 3470 i = stb_decompress_token(i); 3471 if (i == old_i) { 3472 if (*i == 0x05 && i[1] == 0xfa) { 3473 IM_ASSERT(stb__dout == output + olen); 3474 if (stb__dout != output + olen) return 0; 3475 if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2)) 3476 return 0; 3477 return olen; 3478 } else { 3479 IM_ASSERT(0); /* NOTREACHED */ 3480 return 0; 3481 } 3482 } 3483 IM_ASSERT(stb__dout <= output + olen); 3484 if (stb__dout > output + olen) 3485 return 0; 3486 } 3487} 3488 3489//----------------------------------------------------------------------------- 3490// [SECTION] Default font data (ProggyClean.ttf) 3491//----------------------------------------------------------------------------- 3492// ProggyClean.ttf 3493// Copyright (c) 2004, 2005 Tristan Grimmer 3494// MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) 3495// Download and more information at http://upperbounds.net 3496//----------------------------------------------------------------------------- 3497// File: 'ProggyClean.ttf' (41208 bytes) 3498// Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding). 3499// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. 3500//----------------------------------------------------------------------------- 3501static const char proggy_clean_ttf_compressed_data_base85[11980+1] = 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"?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" 3569 "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" 3570 ">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-$.QN'>" 3571 "[%$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" 3572 "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#" 3573 "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$" 3574 "MlvAF_jCK*.O-^(63adMT->W%iewS8W6m2rtCpo'RS1R84=@paTKt)>=%&1[)*vp'u+x,VrwN;&]kuO9JDbg=pO$J*.jVe;u'm0dr9l,<*wMK*Oe=g8lV_KEBFkO'oU]^=[-792#ok,)" 3575 "i]lR8qQ2oA8wcRCZ^7w/Njh;?.stX?Q1>S1q4Bn$)K1<-rGdO'$Wr.Lc.CG)$/*JL4tNR/,SVO3,aUw'DJN:)Ss;wGn9A32ijw%FL+Z0Fn.U9;reSq)bmI32U==5ALuG&#Vf1398/pVo" 3576 "1*c-(aY168o<`JsSbk-,1N;$>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" 3577 "iDDG)g,r%+?,$@?uou5tSe2aN_AQU*<h`e-GI7)?OK2A.d7_c)?wQ5AS@DL3r#7fSkgl6-++D:'A,uq7SvlB$pcpH'q3n0#_%dY#xCpr-l<F0NR@-##FEV6NTF6##$l84N1w?AO>'IAO" 3578 "URQ##V^Fv-XFbGM7Fl(N<3DhLGF%q.1rC$#:T__&Pi68%0xi_&[qFJ(77j_&JWoF.V735&T,[R*:xFR*K5>>#`bW-?4Ne_&6Ne_&6Ne_&n`kr-#GJcM6X;uM6X;uM(.a..^2TkL%oR(#" 3579 ";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&>" 3580 "w$)F./^n3+rlo+DB;5sIYGNk+i1t-69Jg--0pao7Sm#K)pdHW&;LuDNH@H>#/X-TI(;P>#,Gc>#0Su>#4`1?#8lC?#<xU?#@.i?#D:%@#HF7@#LRI@#P_[@#Tkn@#Xw*A#]-=A#a9OA#" 3581 "d<F&#*;G##.GY##2Sl##6`($#: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" 3582 "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$C#+E6C#" 3583 "/QHC#3^ZC#7jmC#;v)D#?,<D#C8ND#GDaD#KPsD#O]/E#g1A5#KA*1#gC17#MGd;#8(02#L-d3#rWM4#Hga1#,<w0#T.j<#O#'2#CYN1#qa^:#_4m3#o@/=#eG8=#t8J5#`+78#4uI-#" 3584 "m3B2#SB[8#Q0@8#i[*9#iOn8#1Nm;#^sN9#qh<9#:=x-#P;K2#$%X9#bC+.#Rg;<#mN=.#MTF.#RZO.#2?)4#Y#(/#[)1/#b;L/#dAU/#0Sv;#lY$0#n`-0#sf60#(F24#wrH0#%/e0#" 3585 "TmD<#%JSMFove:CTBEXI:<eh2g)B,3h2^G3i;#d3jD>)4kMYD4lVu`4m`:&5niUA5@(A5BA1]PBB:xlBCC=2CDLXMCEUtiCf&0g2'tN?PGT4CPGT4CPGT4CPGT4CPGT4CPGT4CPGT4CP" 3586 "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp" 3587 "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#"; 3588 3589static const char* GetDefaultCompressedFontDataTTFBase85() 3590{ 3591 return proggy_clean_ttf_compressed_data_base85; 3592} 3593 3594#endif // #ifndef IMGUI_DISABLE