ref: fcf1e9d0c4850574c14f009f5cfee2f7ac4aa16b
dir: /DoConfig/imgui/imgui_draw.cpp/
// dear imgui, v1.78 WIP // (drawing and font code) /* Index of this file: // [SECTION] STB libraries implementation // [SECTION] Style functions // [SECTION] ImDrawList // [SECTION] ImDrawListSplitter // [SECTION] ImDrawData // [SECTION] Helpers ShadeVertsXXX functions // [SECTION] ImFontConfig // [SECTION] ImFontAtlas // [SECTION] ImFontAtlas glyph ranges helpers // [SECTION] ImFontGlyphRangesBuilder // [SECTION] ImFont // [SECTION] ImGui Internal Render Helpers // [SECTION] Decompression code // [SECTION] Default font data (ProggyClean.ttf) */ #if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) #define _CRT_SECURE_NO_WARNINGS #endif #include "imgui.h" #ifndef IMGUI_DISABLE #ifndef IMGUI_DEFINE_MATH_OPERATORS #define IMGUI_DEFINE_MATH_OPERATORS #endif #include "imgui_internal.h" #include <stdio.h> // vsnprintf, sscanf, printf #if !defined(alloca) #if defined(__GLIBC__) || defined(__sun) || defined(__APPLE__) || defined(__NEWLIB__) #include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here) #elif defined(_WIN32) #include <malloc.h> // alloca #if !defined(alloca) #define alloca _alloca // for clang with MS Codegen #endif #else #include <stdlib.h> // alloca #endif #endif // Visual Studio warnings #ifdef _MSC_VER #pragma warning (disable: 4127) // condition expression is constant #pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) #pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen #endif // Clang/GCC warnings with -Weverything #if defined(__clang__) #if __has_warning("-Wunknown-warning-option") #pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx' // not all warnings are known by all Clang versions and they tend to be rename-happy.. so ignoring warnings triggers new warnings on some configuration. Great! #endif #pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx' #pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast // yes, they are more terse. #pragma clang diagnostic ignored "-Wfloat-equal" // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants ok. #pragma clang diagnostic ignored "-Wglobal-constructors" // warning: declaration requires a global destructor // similar to above, not sure what the exact difference is. #pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning: zero as null pointer constant // some standard header variations use #define NULL 0 #pragma clang diagnostic ignored "-Wcomma" // warning: possible misuse of comma operator here #pragma clang diagnostic ignored "-Wreserved-id-macro" // warning: macro name is a reserved identifier #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. #pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision #elif defined(__GNUC__) #pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind #pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used #pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function #pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value #pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer #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 #endif //------------------------------------------------------------------------- // [SECTION] STB libraries implementation //------------------------------------------------------------------------- // Compile time options: //#define IMGUI_STB_NAMESPACE ImStb //#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h" //#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h" //#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION //#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION #ifdef IMGUI_STB_NAMESPACE namespace IMGUI_STB_NAMESPACE { #endif #ifdef _MSC_VER #pragma warning (push) #pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration #endif #if defined(__clang__) #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wunused-function" #pragma clang diagnostic ignored "-Wmissing-prototypes" #pragma clang diagnostic ignored "-Wimplicit-fallthrough" #pragma clang diagnostic ignored "-Wcast-qual" // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier #endif #if defined(__GNUC__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits] #pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers #endif #ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) #ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION #define STBRP_STATIC #define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0) #define STBRP_SORT ImQsort #define STB_RECT_PACK_IMPLEMENTATION #endif #ifdef IMGUI_STB_RECT_PACK_FILENAME #include IMGUI_STB_RECT_PACK_FILENAME #else #include "imstb_rectpack.h" #endif #endif #ifndef STB_TRUETYPE_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) #ifndef IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION #define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x)) #define STBTT_free(x,u) ((void)(u), IM_FREE(x)) #define STBTT_assert(x) do { IM_ASSERT(x); } while(0) #define STBTT_fmod(x,y) ImFmod(x,y) #define STBTT_sqrt(x) ImSqrt(x) #define STBTT_pow(x,y) ImPow(x,y) #define STBTT_fabs(x) ImFabs(x) #define STBTT_ifloor(x) ((int)ImFloorStd(x)) #define STBTT_iceil(x) ((int)ImCeil(x)) #define STBTT_STATIC #define STB_TRUETYPE_IMPLEMENTATION #else #define STBTT_DEF extern #endif #ifdef IMGUI_STB_TRUETYPE_FILENAME #include IMGUI_STB_TRUETYPE_FILENAME #else #include "imstb_truetype.h" #endif #endif #if defined(__GNUC__) #pragma GCC diagnostic pop #endif #if defined(__clang__) #pragma clang diagnostic pop #endif #if defined(_MSC_VER) #pragma warning (pop) #endif #ifdef IMGUI_STB_NAMESPACE } // namespace ImStb using namespace IMGUI_STB_NAMESPACE; #endif //----------------------------------------------------------------------------- // [SECTION] Style functions //----------------------------------------------------------------------------- void ImGui::StyleColorsDark(ImGuiStyle* dst) { ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); ImVec4* colors = style->Colors; colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f); colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f); colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f); colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f); colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f); colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f); colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f); colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f); colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f); colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f); colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f); colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f); colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f); colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f); colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_Separator] = colors[ImGuiCol_Border]; colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f); colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f); colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.25f); colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f); colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f); colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f); // Prefer using Alpha=1.0 here colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f); // Prefer using Alpha=1.0 here colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f); colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); colors[ImGuiCol_NavHighlight] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.35f); } void ImGui::StyleColorsClassic(ImGuiStyle* dst) { ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); ImVec4* colors = style->Colors; colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f); colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.70f); colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f); colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f); colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f); colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f); colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f); colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f); colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f); colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f); colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f); colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f); colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f); colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f); colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f); colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f); colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f); colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f); colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f); colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f); colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f); colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f); colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f); colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f); colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f); colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.16f); colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f); colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f); colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); colors[ImGuiCol_TableHeaderBg] = ImVec4(0.27f, 0.27f, 0.38f, 1.00f); colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.45f, 1.00f); // Prefer using Alpha=1.0 here colors[ImGuiCol_TableBorderLight] = ImVec4(0.26f, 0.26f, 0.28f, 1.00f); // Prefer using Alpha=1.0 here colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f); colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f); colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); } // Those light colors are better suited with a thicker font than the default one + FrameBorder void ImGui::StyleColorsLight(ImGuiStyle* dst) { ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); ImVec4* colors = style->Colors; colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f); colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f); colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f); colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f); colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f); colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f); colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f); colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f); colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f); colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f); colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f); colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f); colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f); colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f); colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f); colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f); colors[ImGuiCol_ResizeGrip] = ImVec4(0.80f, 0.80f, 0.80f, 0.56f); colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f); colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f); colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f); colors[ImGuiCol_TableHeaderBg] = ImVec4(0.78f, 0.87f, 0.98f, 1.00f); colors[ImGuiCol_TableBorderStrong] = ImVec4(0.57f, 0.57f, 0.64f, 1.00f); // Prefer using Alpha=1.0 here colors[ImGuiCol_TableBorderLight] = ImVec4(0.68f, 0.68f, 0.74f, 1.00f); // Prefer using Alpha=1.0 here colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); colors[ImGuiCol_TableRowBgAlt] = ImVec4(0.30f, 0.30f, 0.30f, 0.07f); colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f); colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f); colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f); colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); } //----------------------------------------------------------------------------- // ImDrawList //----------------------------------------------------------------------------- ImDrawListSharedData::ImDrawListSharedData() { Font = NULL; FontSize = 0.0f; CurveTessellationTol = 0.0f; CircleSegmentMaxError = 0.0f; ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f); InitialFlags = ImDrawListFlags_None; // Lookup tables for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++) { const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx); ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a)); } memset(CircleSegmentCounts, 0, sizeof(CircleSegmentCounts)); // This will be set by SetCircleSegmentMaxError() } void ImDrawListSharedData::SetCircleSegmentMaxError(float max_error) { if (CircleSegmentMaxError == max_error) return; CircleSegmentMaxError = max_error; for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++) { const float radius = i + 1.0f; const int segment_count = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError); CircleSegmentCounts[i] = (ImU8)ImMin(segment_count, 255); } } // Initialize before use in a new frame. We always have a command ready in the buffer. void ImDrawList::_ResetForNewFrame() { // Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory. // (those should be IM_STATIC_ASSERT() in theory but with our pre C++11 setup the whole check doesn't compile with GCC) IM_ASSERT(IM_OFFSETOF(ImDrawCmd, ClipRect) == 0); IM_ASSERT(IM_OFFSETOF(ImDrawCmd, TextureId) == sizeof(ImVec4)); IM_ASSERT(IM_OFFSETOF(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID)); CmdBuffer.resize(0); IdxBuffer.resize(0); VtxBuffer.resize(0); Flags = _Data->InitialFlags; memset(&_CmdHeader, 0, sizeof(_CmdHeader)); _VtxCurrentIdx = 0; _VtxWritePtr = NULL; _IdxWritePtr = NULL; _ClipRectStack.resize(0); _TextureIdStack.resize(0); _Path.resize(0); _Splitter.Clear(); CmdBuffer.push_back(ImDrawCmd()); } void ImDrawList::_ClearFreeMemory() { CmdBuffer.clear(); IdxBuffer.clear(); VtxBuffer.clear(); Flags = ImDrawListFlags_None; _VtxCurrentIdx = 0; _VtxWritePtr = NULL; _IdxWritePtr = NULL; _ClipRectStack.clear(); _TextureIdStack.clear(); _Path.clear(); _Splitter.ClearFreeMemory(); } ImDrawList* ImDrawList::CloneOutput() const { ImDrawList* dst = IM_NEW(ImDrawList(_Data)); dst->CmdBuffer = CmdBuffer; dst->IdxBuffer = IdxBuffer; dst->VtxBuffer = VtxBuffer; dst->Flags = Flags; return dst; } void ImDrawList::AddDrawCmd() { ImDrawCmd draw_cmd; draw_cmd.ClipRect = _CmdHeader.ClipRect; // Same as calling ImDrawCmd_HeaderCopy() draw_cmd.TextureId = _CmdHeader.TextureId; draw_cmd.VtxOffset = _CmdHeader.VtxOffset; draw_cmd.IdxOffset = IdxBuffer.Size; IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w); CmdBuffer.push_back(draw_cmd); } // Pop trailing draw command (used before merging or presenting to user) // Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL void ImDrawList::_PopUnusedDrawCmd() { if (CmdBuffer.Size == 0) return; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; if (curr_cmd->ElemCount == 0 && curr_cmd->UserCallback == NULL) CmdBuffer.pop_back(); } void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data) { ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; IM_ASSERT(curr_cmd->UserCallback == NULL); if (curr_cmd->ElemCount != 0) { AddDrawCmd(); curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; } curr_cmd->UserCallback = callback; curr_cmd->UserCallbackData = callback_data; AddDrawCmd(); // Force a new command after us (see comment below) } // Compare ClipRect, TextureId and VtxOffset with a single memcmp() #define ImDrawCmd_HeaderSize (IM_OFFSETOF(ImDrawCmd, VtxOffset) + sizeof(unsigned int)) #define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TextureId, VtxOffset #define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TextureId, VtxOffset // 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. // 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. void ImDrawList::_OnChangedClipRect() { // If current command is used with different settings we need to add a new command ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; if (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &_CmdHeader.ClipRect, sizeof(ImVec4)) != 0) { AddDrawCmd(); return; } IM_ASSERT(curr_cmd->UserCallback == NULL); // Try to merge with previous command if it matches, else use current command ImDrawCmd* prev_cmd = curr_cmd - 1; if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && prev_cmd->UserCallback == NULL) { CmdBuffer.pop_back(); return; } curr_cmd->ClipRect = _CmdHeader.ClipRect; } void ImDrawList::_OnChangedTextureID() { // If current command is used with different settings we need to add a new command ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId) { AddDrawCmd(); return; } IM_ASSERT(curr_cmd->UserCallback == NULL); // Try to merge with previous command if it matches, else use current command ImDrawCmd* prev_cmd = curr_cmd - 1; if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && prev_cmd->UserCallback == NULL) { CmdBuffer.pop_back(); return; } curr_cmd->TextureId = _CmdHeader.TextureId; } void ImDrawList::_OnChangedVtxOffset() { // We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this. _VtxCurrentIdx = 0; ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); if (curr_cmd->ElemCount != 0) { AddDrawCmd(); return; } IM_ASSERT(curr_cmd->UserCallback == NULL); curr_cmd->VtxOffset = _CmdHeader.VtxOffset; } // 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) void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect) { ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y); if (intersect_with_current_clip_rect) { ImVec4 current = _CmdHeader.ClipRect; if (cr.x < current.x) cr.x = current.x; if (cr.y < current.y) cr.y = current.y; if (cr.z > current.z) cr.z = current.z; if (cr.w > current.w) cr.w = current.w; } cr.z = ImMax(cr.x, cr.z); cr.w = ImMax(cr.y, cr.w); _ClipRectStack.push_back(cr); _CmdHeader.ClipRect = cr; _OnChangedClipRect(); } void ImDrawList::PushClipRectFullScreen() { PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w)); } void ImDrawList::PopClipRect() { _ClipRectStack.pop_back(); _CmdHeader.ClipRect = (_ClipRectStack.Size == 0) ? _Data->ClipRectFullscreen : _ClipRectStack.Data[_ClipRectStack.Size - 1]; _OnChangedClipRect(); } void ImDrawList::PushTextureID(ImTextureID texture_id) { _TextureIdStack.push_back(texture_id); _CmdHeader.TextureId = texture_id; _OnChangedTextureID(); } void ImDrawList::PopTextureID() { _TextureIdStack.pop_back(); _CmdHeader.TextureId = (_TextureIdStack.Size == 0) ? (ImTextureID)NULL : _TextureIdStack.Data[_TextureIdStack.Size - 1]; _OnChangedTextureID(); } // Reserve space for a number of vertices and indices. // You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or // submit the intermediate results. PrimUnreserve() can be used to release unused allocations. void ImDrawList::PrimReserve(int idx_count, int vtx_count) { // Large mesh support (when enabled) IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset)) { _CmdHeader.VtxOffset = VtxBuffer.Size; _OnChangedVtxOffset(); } ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; draw_cmd->ElemCount += idx_count; int vtx_buffer_old_size = VtxBuffer.Size; VtxBuffer.resize(vtx_buffer_old_size + vtx_count); _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size; int idx_buffer_old_size = IdxBuffer.Size; IdxBuffer.resize(idx_buffer_old_size + idx_count); _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size; } // Release the a number of reserved vertices/indices from the end of the last reservation made with PrimReserve(). void ImDrawList::PrimUnreserve(int idx_count, int vtx_count) { IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; draw_cmd->ElemCount -= idx_count; VtxBuffer.shrink(VtxBuffer.Size - vtx_count); IdxBuffer.shrink(IdxBuffer.Size - idx_count); } // Fully unrolled with inline call to keep our debug builds decently fast. void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col) { ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel); ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; _VtxWritePtr += 4; _VtxCurrentIdx += 4; _IdxWritePtr += 6; } void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col) { 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); ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; _VtxWritePtr += 4; _VtxCurrentIdx += 4; _IdxWritePtr += 6; } void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col) { ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; _VtxWritePtr += 4; _VtxCurrentIdx += 4; _IdxWritePtr += 6; } // On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superfluous function calls to optimize debug/non-inlined builds. // Those macros expects l-values. #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) #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) // TODO: Thickness anti-aliased lines cap are missing their AA fringe. // We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds. void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness) { if (points_count < 2) return; const ImVec2 opaque_uv = _Data->TexUvWhitePixel; int count = points_count; if (!closed) count = points_count - 1; const bool thick_line = (thickness > 1.0f); if (Flags & ImDrawListFlags_AntiAliasedLines) { // Anti-aliased stroke const float AA_SIZE = 1.0f; const ImU32 col_trans = col & ~IM_COL32_A_MASK; const int idx_count = thick_line ? count * 18 : count * 12; const int vtx_count = thick_line ? points_count * 4 : points_count * 3; PrimReserve(idx_count, vtx_count); // Temporary buffer ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); //-V630 ImVec2* temp_points = temp_normals + points_count; for (int i1 = 0; i1 < count; i1++) { const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; float dx = points[i2].x - points[i1].x; float dy = points[i2].y - points[i1].y; IM_NORMALIZE2F_OVER_ZERO(dx, dy); temp_normals[i1].x = dy; temp_normals[i1].y = -dx; } if (!closed) temp_normals[points_count - 1] = temp_normals[points_count - 2]; if (!thick_line) { if (!closed) { temp_points[0] = points[0] + temp_normals[0] * AA_SIZE; temp_points[1] = points[0] - temp_normals[0] * AA_SIZE; temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * AA_SIZE; temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * AA_SIZE; } // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. unsigned int idx1 = _VtxCurrentIdx; for (int i1 = 0; i1 < count; i1++) { const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : idx1 + 3; // Average normals float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; IM_FIXNORMAL2F(dm_x, dm_y); dm_x *= AA_SIZE; dm_y *= AA_SIZE; // Add temporary vertices ImVec2* out_vtx = &temp_points[i2 * 2]; out_vtx[0].x = points[i2].x + dm_x; out_vtx[0].y = points[i2].y + dm_y; out_vtx[1].x = points[i2].x - dm_x; out_vtx[1].y = points[i2].y - dm_y; // Add indexes _IdxWritePtr[0] = (ImDrawIdx)(idx2+0); _IdxWritePtr[1] = (ImDrawIdx)(idx1+0); _IdxWritePtr[2] = (ImDrawIdx)(idx1+2); _IdxWritePtr[3] = (ImDrawIdx)(idx1+2); _IdxWritePtr[4] = (ImDrawIdx)(idx2+2); _IdxWritePtr[5] = (ImDrawIdx)(idx2+0); _IdxWritePtr[6] = (ImDrawIdx)(idx2+1); _IdxWritePtr[7] = (ImDrawIdx)(idx1+1); _IdxWritePtr[8] = (ImDrawIdx)(idx1+0); _IdxWritePtr[9] = (ImDrawIdx)(idx1+0); _IdxWritePtr[10]= (ImDrawIdx)(idx2+0); _IdxWritePtr[11]= (ImDrawIdx)(idx2+1); _IdxWritePtr += 12; idx1 = idx2; } // Add vertices for (int i = 0; i < points_count; i++) { _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col_trans; _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col_trans; _VtxWritePtr += 3; } } else { const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f; if (!closed) { const int points_last = points_count - 1; temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE); temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness); temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness); temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE); temp_points[points_last * 4 + 0] = points[points_last] + temp_normals[points_last] * (half_inner_thickness + AA_SIZE); temp_points[points_last * 4 + 1] = points[points_last] + temp_normals[points_last] * (half_inner_thickness); temp_points[points_last * 4 + 2] = points[points_last] - temp_normals[points_last] * (half_inner_thickness); temp_points[points_last * 4 + 3] = points[points_last] - temp_normals[points_last] * (half_inner_thickness + AA_SIZE); } // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. unsigned int idx1 = _VtxCurrentIdx; for (int i1 = 0; i1 < count; i1++) { const int i2 = (i1 + 1) == points_count ? 0 : (i1 + 1); // i2 is the second point of the line segment const unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : (idx1 + 4); // Vertex index for end of segment // Average normals float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; IM_FIXNORMAL2F(dm_x, dm_y); float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE); float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE); float dm_in_x = dm_x * half_inner_thickness; float dm_in_y = dm_y * half_inner_thickness; // Add temporary vertices ImVec2* out_vtx = &temp_points[i2 * 4]; out_vtx[0].x = points[i2].x + dm_out_x; out_vtx[0].y = points[i2].y + dm_out_y; out_vtx[1].x = points[i2].x + dm_in_x; out_vtx[1].y = points[i2].y + dm_in_y; out_vtx[2].x = points[i2].x - dm_in_x; out_vtx[2].y = points[i2].y - dm_in_y; out_vtx[3].x = points[i2].x - dm_out_x; out_vtx[3].y = points[i2].y - dm_out_y; // Add indexes _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[12] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[13] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[14] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[15] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[16] = (ImDrawIdx)(idx2 + 3); _IdxWritePtr[17] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr += 18; idx1 = idx2; } // Add vertices for (int i = 0; i < points_count; i++) { _VtxWritePtr[0].pos = temp_points[i * 4 + 0]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col_trans; _VtxWritePtr[1].pos = temp_points[i * 4 + 1]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; _VtxWritePtr[2].pos = temp_points[i * 4 + 2]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; _VtxWritePtr[3].pos = temp_points[i * 4 + 3]; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col_trans; _VtxWritePtr += 4; } } _VtxCurrentIdx += (ImDrawIdx)vtx_count; } else { // Non Anti-aliased Stroke const int idx_count = count * 6; const int vtx_count = count * 4; // FIXME-OPT: Not sharing edges PrimReserve(idx_count, vtx_count); for (int i1 = 0; i1 < count; i1++) { const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; const ImVec2& p1 = points[i1]; const ImVec2& p2 = points[i2]; float dx = p2.x - p1.x; float dy = p2.y - p1.y; IM_NORMALIZE2F_OVER_ZERO(dx, dy); dx *= (thickness * 0.5f); dy *= (thickness * 0.5f); _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col; _VtxWritePtr += 4; _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx + 3); _IdxWritePtr += 6; _VtxCurrentIdx += 4; } } } // We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds. void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col) { if (points_count < 3) return; const ImVec2 uv = _Data->TexUvWhitePixel; if (Flags & ImDrawListFlags_AntiAliasedFill) { // Anti-aliased Fill const float AA_SIZE = 1.0f; const ImU32 col_trans = col & ~IM_COL32_A_MASK; const int idx_count = (points_count - 2)*3 + points_count * 6; const int vtx_count = (points_count * 2); PrimReserve(idx_count, vtx_count); // Add indexes for fill unsigned int vtx_inner_idx = _VtxCurrentIdx; unsigned int vtx_outer_idx = _VtxCurrentIdx + 1; for (int i = 2; i < points_count; i++) { _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + ((i - 1) << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (i << 1)); _IdxWritePtr += 3; } // Compute normals ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630 for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) { const ImVec2& p0 = points[i0]; const ImVec2& p1 = points[i1]; float dx = p1.x - p0.x; float dy = p1.y - p0.y; IM_NORMALIZE2F_OVER_ZERO(dx, dy); temp_normals[i0].x = dy; temp_normals[i0].y = -dx; } for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) { // Average normals const ImVec2& n0 = temp_normals[i0]; const ImVec2& n1 = temp_normals[i1]; float dm_x = (n0.x + n1.x) * 0.5f; float dm_y = (n0.y + n1.y) * 0.5f; IM_FIXNORMAL2F(dm_x, dm_y); dm_x *= AA_SIZE * 0.5f; dm_y *= AA_SIZE * 0.5f; // Add vertices _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 _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 _VtxWritePtr += 2; // Add indexes for fringes _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr += 6; } _VtxCurrentIdx += (ImDrawIdx)vtx_count; } else { // Non Anti-aliased Fill const int idx_count = (points_count - 2)*3; const int vtx_count = points_count; PrimReserve(idx_count, vtx_count); for (int i = 0; i < vtx_count; i++) { _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; _VtxWritePtr++; } for (int i = 2; i < points_count; i++) { _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + i - 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + i); _IdxWritePtr += 3; } _VtxCurrentIdx += (ImDrawIdx)vtx_count; } } void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12) { if (radius == 0.0f || a_min_of_12 > a_max_of_12) { _Path.push_back(center); return; } // For legacy reason the PathArcToFast() always takes angles where 2*PI is represented by 12, // but it is possible to set IM_DRAWLIST_ARCFAST_TESSELATION_MULTIPLIER to a higher value. This should compile to a no-op otherwise. #if IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER != 1 a_min_of_12 *= IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER; a_max_of_12 *= IM_DRAWLIST_ARCFAST_TESSELLATION_MULTIPLIER; #endif _Path.reserve(_Path.Size + (a_max_of_12 - a_min_of_12 + 1)); for (int a = a_min_of_12; a <= a_max_of_12; a++) { const ImVec2& c = _Data->ArcFastVtx[a % IM_ARRAYSIZE(_Data->ArcFastVtx)]; _Path.push_back(ImVec2(center.x + c.x * radius, center.y + c.y * radius)); } } void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) { if (radius == 0.0f) { _Path.push_back(center); return; } // Note that we are adding a point at both a_min and a_max. // If you are trying to draw a full closed circle you don't want the overlapping points! _Path.reserve(_Path.Size + (num_segments + 1)); for (int i = 0; i <= num_segments; i++) { const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius)); } } ImVec2 ImBezierCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t) { float u = 1.0f - t; float w1 = u*u*u; float w2 = 3*u*u*t; float w3 = 3*u*t*t; float w4 = t*t*t; 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); } // Closely mimics BezierClosestPointCasteljauStep() in imgui.cpp static void PathBezierToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level) { float dx = x4 - x1; float dy = y4 - y1; float d2 = ((x2 - x4) * dy - (y2 - y4) * dx); float d3 = ((x3 - x4) * dy - (y3 - y4) * dx); d2 = (d2 >= 0) ? d2 : -d2; d3 = (d3 >= 0) ? d3 : -d3; if ((d2 + d3) * (d2 + d3) < tess_tol * (dx * dx + dy * dy)) { path->push_back(ImVec2(x4, y4)); } else if (level < 10) { float x12 = (x1 + x2)*0.5f, y12 = (y1 + y2)*0.5f; float x23 = (x2 + x3)*0.5f, y23 = (y2 + y3)*0.5f; float x34 = (x3 + x4)*0.5f, y34 = (y3 + y4)*0.5f; float x123 = (x12 + x23)*0.5f, y123 = (y12 + y23)*0.5f; float x234 = (x23 + x34)*0.5f, y234 = (y23 + y34)*0.5f; float x1234 = (x123 + x234)*0.5f, y1234 = (y123 + y234)*0.5f; PathBezierToCasteljau(path, x1, y1, x12, y12, x123, y123, x1234, y1234, tess_tol, level + 1); PathBezierToCasteljau(path, x1234, y1234, x234, y234, x34, y34, x4, y4, tess_tol, level + 1); } } void ImDrawList::PathBezierCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments) { ImVec2 p1 = _Path.back(); if (num_segments == 0) { PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated } else { float t_step = 1.0f / (float)num_segments; for (int i_step = 1; i_step <= num_segments; i_step++) _Path.push_back(ImBezierCalc(p1, p2, p3, p4, t_step * i_step)); } } void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawCornerFlags rounding_corners) { 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); 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); if (rounding <= 0.0f || rounding_corners == 0) { PathLineTo(a); PathLineTo(ImVec2(b.x, a.y)); PathLineTo(b); PathLineTo(ImVec2(a.x, b.y)); } else { const float rounding_tl = (rounding_corners & ImDrawCornerFlags_TopLeft) ? rounding : 0.0f; const float rounding_tr = (rounding_corners & ImDrawCornerFlags_TopRight) ? rounding : 0.0f; const float rounding_br = (rounding_corners & ImDrawCornerFlags_BotRight) ? rounding : 0.0f; const float rounding_bl = (rounding_corners & ImDrawCornerFlags_BotLeft) ? rounding : 0.0f; PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9); PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12); PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3); PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6); } } void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness) { if ((col & IM_COL32_A_MASK) == 0) return; PathLineTo(p1 + ImVec2(0.5f, 0.5f)); PathLineTo(p2 + ImVec2(0.5f, 0.5f)); PathStroke(col, false, thickness); } // p_min = upper-left, p_max = lower-right // Note we don't render 1 pixels sized rectangles properly. void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners, float thickness) { if ((col & IM_COL32_A_MASK) == 0) return; if (Flags & ImDrawListFlags_AntiAliasedLines) PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.50f, 0.50f), rounding, rounding_corners); else 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. PathStroke(col, true, thickness); } void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) { if ((col & IM_COL32_A_MASK) == 0) return; if (rounding > 0.0f) { PathRect(p_min, p_max, rounding, rounding_corners); PathFillConvex(col); } else { PrimReserve(6, 4); PrimRect(p_min, p_max, col); } } // p_min = upper-left, p_max = lower-right void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left) { if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0) return; const ImVec2 uv = _Data->TexUvWhitePixel; PrimReserve(6, 4); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 3)); PrimWriteVtx(p_min, uv, col_upr_left); PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right); PrimWriteVtx(p_max, uv, col_bot_right); PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left); } void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness) { if ((col & IM_COL32_A_MASK) == 0) return; PathLineTo(p1); PathLineTo(p2); PathLineTo(p3); PathLineTo(p4); PathStroke(col, true, thickness); } void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col) { if ((col & IM_COL32_A_MASK) == 0) return; PathLineTo(p1); PathLineTo(p2); PathLineTo(p3); PathLineTo(p4); PathFillConvex(col); } void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness) { if ((col & IM_COL32_A_MASK) == 0) return; PathLineTo(p1); PathLineTo(p2); PathLineTo(p3); PathStroke(col, true, thickness); } void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col) { if ((col & IM_COL32_A_MASK) == 0) return; PathLineTo(p1); PathLineTo(p2); PathLineTo(p3); PathFillConvex(col); } void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) { if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) return; // Obtain segment count if (num_segments <= 0) { // Automatic segment count const int radius_idx = (int)radius - 1; if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value else num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); } else { // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); } // Because we are filling a closed shape we remove 1 from the count of segments/points const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; if (num_segments == 12) PathArcToFast(center, radius - 0.5f, 0, 12); else PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); PathStroke(col, true, thickness); } void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) { if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) return; // Obtain segment count if (num_segments <= 0) { // Automatic segment count const int radius_idx = (int)radius - 1; if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) num_segments = _Data->CircleSegmentCounts[radius_idx]; // Use cached value else num_segments = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); } else { // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); } // Because we are filling a closed shape we remove 1 from the count of segments/points const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; if (num_segments == 12) PathArcToFast(center, radius, 0, 12); else PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); PathFillConvex(col); } // Guaranteed to honor 'num_segments' void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) { if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) return; // Because we are filling a closed shape we remove 1 from the count of segments/points const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); PathStroke(col, true, thickness); } // Guaranteed to honor 'num_segments' void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) { if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) return; // Because we are filling a closed shape we remove 1 from the count of segments/points const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); PathFillConvex(col); } // Cubic Bezier takes 4 controls points void ImDrawList::AddBezierCurve(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments) { if ((col & IM_COL32_A_MASK) == 0) return; PathLineTo(p1); PathBezierCurveTo(p2, p3, p4, num_segments); PathStroke(col, false, thickness); } void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect) { if ((col & IM_COL32_A_MASK) == 0) return; if (text_end == NULL) text_end = text_begin + strlen(text_begin); if (text_begin == text_end) return; // Pull default font/size from the shared ImDrawListSharedData instance if (font == NULL) font = _Data->Font; if (font_size == 0.0f) font_size = _Data->FontSize; IM_ASSERT(font->ContainerAtlas->TexID == _CmdHeader.TextureId); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font. ImVec4 clip_rect = _CmdHeader.ClipRect; if (cpu_fine_clip_rect) { clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x); clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y); clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z); clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w); } font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL); } void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end) { AddText(NULL, 0.0f, pos, col, text_begin, text_end); } void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col) { if ((col & IM_COL32_A_MASK) == 0) return; const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; if (push_texture_id) PushTextureID(user_texture_id); PrimReserve(6, 4); PrimRectUV(p_min, p_max, uv_min, uv_max, col); if (push_texture_id) PopTextureID(); } void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col) { if ((col & IM_COL32_A_MASK) == 0) return; const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; if (push_texture_id) PushTextureID(user_texture_id); PrimReserve(6, 4); PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col); if (push_texture_id) PopTextureID(); } void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawCornerFlags rounding_corners) { if ((col & IM_COL32_A_MASK) == 0) return; if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0) { AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col); return; } const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back(); if (push_texture_id) PushTextureID(user_texture_id); int vert_start_idx = VtxBuffer.Size; PathRect(p_min, p_max, rounding, rounding_corners); PathFillConvex(col); int vert_end_idx = VtxBuffer.Size; ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true); if (push_texture_id) PopTextureID(); } //----------------------------------------------------------------------------- // ImDrawListSplitter //----------------------------------------------------------------------------- // FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap.. //----------------------------------------------------------------------------- void ImDrawListSplitter::ClearFreeMemory() { for (int i = 0; i < _Channels.Size; i++) { if (i == _Current) memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again _Channels[i]._CmdBuffer.clear(); _Channels[i]._IdxBuffer.clear(); } _Current = 0; _Count = 1; _Channels.clear(); } void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count) { IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter."); int old_channels_count = _Channels.Size; if (old_channels_count < channels_count) _Channels.resize(channels_count); _Count = channels_count; // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer // 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. // 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 memset(&_Channels[0], 0, sizeof(ImDrawChannel)); for (int i = 1; i < channels_count; i++) { if (i >= old_channels_count) { IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel(); } else { _Channels[i]._CmdBuffer.resize(0); _Channels[i]._IdxBuffer.resize(0); } if (_Channels[i]._CmdBuffer.Size == 0) { ImDrawCmd draw_cmd; ImDrawCmd_HeaderCopy(&draw_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset _Channels[i]._CmdBuffer.push_back(draw_cmd); } } } void ImDrawListSplitter::Merge(ImDrawList* draw_list) { // 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. if (_Count <= 1) return; SetCurrentChannel(draw_list, 0); draw_list->_PopUnusedDrawCmd(); // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command. int new_cmd_buffer_count = 0; int new_idx_buffer_count = 0; ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL; int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0; for (int i = 1; i < _Count; i++) { ImDrawChannel& ch = _Channels[i]; // Equivalent of PopUnusedDrawCmd() for this channel's cmdbuffer and except we don't need to test for UserCallback. if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0) ch._CmdBuffer.pop_back(); if (ch._CmdBuffer.Size > 0 && last_cmd != NULL) { ImDrawCmd* next_cmd = &ch._CmdBuffer[0]; if (ImDrawCmd_HeaderCompare(last_cmd, next_cmd) == 0 && last_cmd->UserCallback == NULL && next_cmd->UserCallback == NULL) { // Merge previous channel last draw command with current channel first draw command if matching. last_cmd->ElemCount += next_cmd->ElemCount; idx_offset += next_cmd->ElemCount; ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges. } } if (ch._CmdBuffer.Size > 0) last_cmd = &ch._CmdBuffer.back(); new_cmd_buffer_count += ch._CmdBuffer.Size; new_idx_buffer_count += ch._IdxBuffer.Size; for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++) { ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset; idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount; } } draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count); draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count); // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices) ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count; ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count; for (int i = 1; i < _Count; i++) { ImDrawChannel& ch = _Channels[i]; if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; } if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; } } draw_list->_IdxWritePtr = idx_write; // Ensure there's always a non-callback draw command trailing the command-buffer if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL) draw_list->AddDrawCmd(); // If current command is used with different settings we need to add a new command ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; if (curr_cmd->ElemCount == 0) ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) draw_list->AddDrawCmd(); _Count = 1; } void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx) { IM_ASSERT(idx >= 0 && idx < _Count); if (_Current == idx) return; // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap() memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer)); memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer)); _Current = idx; memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer)); memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer)); draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size; // If current command is used with different settings we need to add a new command ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; if (curr_cmd->ElemCount == 0) ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) draw_list->AddDrawCmd(); } //----------------------------------------------------------------------------- // [SECTION] ImDrawData //----------------------------------------------------------------------------- // 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! void ImDrawData::DeIndexAllBuffers() { ImVector<ImDrawVert> new_vtx_buffer; TotalVtxCount = TotalIdxCount = 0; for (int i = 0; i < CmdListsCount; i++) { ImDrawList* cmd_list = CmdLists[i]; if (cmd_list->IdxBuffer.empty()) continue; new_vtx_buffer.resize(cmd_list->IdxBuffer.Size); for (int j = 0; j < cmd_list->IdxBuffer.Size; j++) new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]]; cmd_list->VtxBuffer.swap(new_vtx_buffer); cmd_list->IdxBuffer.resize(0); TotalVtxCount += cmd_list->VtxBuffer.Size; } } // Helper to scale the ClipRect field of each ImDrawCmd. // Use if your final output buffer is at a different scale than draw_data->DisplaySize, // or if there is a difference between your window resolution and framebuffer resolution. void ImDrawData::ScaleClipRects(const ImVec2& fb_scale) { for (int i = 0; i < CmdListsCount; i++) { ImDrawList* cmd_list = CmdLists[i]; for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) { ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i]; 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); } } } //----------------------------------------------------------------------------- // [SECTION] Helpers ShadeVertsXXX functions //----------------------------------------------------------------------------- // Generic linear color gradient, write to RGB fields, leave A untouched. void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1) { ImVec2 gradient_extent = gradient_p1 - gradient_p0; float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent); ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; for (ImDrawVert* vert = vert_start; vert < vert_end; vert++) { float d = ImDot(vert->pos - gradient_p0, gradient_extent); float t = ImClamp(d * gradient_inv_length2, 0.0f, 1.0f); int r = ImLerp((int)(col0 >> IM_COL32_R_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_R_SHIFT) & 0xFF, t); int g = ImLerp((int)(col0 >> IM_COL32_G_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_G_SHIFT) & 0xFF, t); int b = ImLerp((int)(col0 >> IM_COL32_B_SHIFT) & 0xFF, (int)(col1 >> IM_COL32_B_SHIFT) & 0xFF, t); vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK); } } // Distribute UV over (a, b) rectangle void ImGui::ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp) { const ImVec2 size = b - a; const ImVec2 uv_size = uv_b - uv_a; const ImVec2 scale = ImVec2( size.x != 0.0f ? (uv_size.x / size.x) : 0.0f, size.y != 0.0f ? (uv_size.y / size.y) : 0.0f); ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; if (clamp) { const ImVec2 min = ImMin(uv_a, uv_b); const ImVec2 max = ImMax(uv_a, uv_b); for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max); } else { for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale); } } //----------------------------------------------------------------------------- // [SECTION] ImFontConfig //----------------------------------------------------------------------------- ImFontConfig::ImFontConfig() { FontData = NULL; FontDataSize = 0; FontDataOwnedByAtlas = true; FontNo = 0; SizePixels = 0.0f; OversampleH = 3; // FIXME: 2 may be a better default? OversampleV = 1; PixelSnapH = false; GlyphExtraSpacing = ImVec2(0.0f, 0.0f); GlyphOffset = ImVec2(0.0f, 0.0f); GlyphRanges = NULL; GlyphMinAdvanceX = 0.0f; GlyphMaxAdvanceX = FLT_MAX; MergeMode = false; RasterizerFlags = 0x00; RasterizerMultiply = 1.0f; EllipsisChar = (ImWchar)-1; memset(Name, 0, sizeof(Name)); DstFont = NULL; } //----------------------------------------------------------------------------- // [SECTION] ImFontAtlas //----------------------------------------------------------------------------- // A work of art lies ahead! (. = white layer, X = black layer, others are blank) // The white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes. const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108; const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27; static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] = { "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX " "..- -X.....X- X.X - X.X -X.....X - X.....X- X..X " "--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X " "X - X.X - X.....X - X.....X -X...X - X...X- X..X " "XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X " "X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX " "X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX " "X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX " "X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X " "X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X" "X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X" "X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X" "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X" "X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X" "X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X" "X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X" "X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X " "X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X " "X.X X..X - -X.......X- X.......X - XX XX - - X..........X " "XX X..X - - X.....X - X.....X - X.X X.X - - X........X " " X..X - X...X - X...X - X..X X..X - - X........X " " XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX " "------------ - X - X -X.....................X- ------------------" " ----------------------------------- X...XXXXXXXXXXXXX...X - " " - X..X X..X - " " - X.X X.X - " " - XX XX - " }; static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] = { // Pos ........ Size ......... Offset ...... { ImVec2( 0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow { ImVec2(13,0), ImVec2( 7,16), ImVec2( 1, 8) }, // ImGuiMouseCursor_TextInput { ImVec2(31,0), ImVec2(23,23), ImVec2(11,11) }, // ImGuiMouseCursor_ResizeAll { ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS { ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW { ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW { ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE { ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand }; ImFontAtlas::ImFontAtlas() { Locked = false; Flags = ImFontAtlasFlags_None; TexID = (ImTextureID)NULL; TexDesiredWidth = 0; TexGlyphPadding = 1; TexPixelsAlpha8 = NULL; TexPixelsRGBA32 = NULL; TexWidth = TexHeight = 0; TexUvScale = ImVec2(0.0f, 0.0f); TexUvWhitePixel = ImVec2(0.0f, 0.0f); for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++) CustomRectIds[n] = -1; } ImFontAtlas::~ImFontAtlas() { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); Clear(); } void ImFontAtlas::ClearInputData() { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); for (int i = 0; i < ConfigData.Size; i++) if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas) { IM_FREE(ConfigData[i].FontData); ConfigData[i].FontData = NULL; } // When clearing this we lose access to the font name and other information used to build the font. for (int i = 0; i < Fonts.Size; i++) if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size) { Fonts[i]->ConfigData = NULL; Fonts[i]->ConfigDataCount = 0; } ConfigData.clear(); CustomRects.clear(); for (int n = 0; n < IM_ARRAYSIZE(CustomRectIds); n++) CustomRectIds[n] = -1; } void ImFontAtlas::ClearTexData() { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); if (TexPixelsAlpha8) IM_FREE(TexPixelsAlpha8); if (TexPixelsRGBA32) IM_FREE(TexPixelsRGBA32); TexPixelsAlpha8 = NULL; TexPixelsRGBA32 = NULL; } void ImFontAtlas::ClearFonts() { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); for (int i = 0; i < Fonts.Size; i++) IM_DELETE(Fonts[i]); Fonts.clear(); } void ImFontAtlas::Clear() { ClearInputData(); ClearTexData(); ClearFonts(); } void ImFontAtlas::GetTexDataAsAlpha8(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) { // Build atlas on demand if (TexPixelsAlpha8 == NULL) { if (ConfigData.empty()) AddFontDefault(); Build(); } *out_pixels = TexPixelsAlpha8; if (out_width) *out_width = TexWidth; if (out_height) *out_height = TexHeight; if (out_bytes_per_pixel) *out_bytes_per_pixel = 1; } void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) { // Convert to RGBA32 format on demand // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp if (!TexPixelsRGBA32) { unsigned char* pixels = NULL; GetTexDataAsAlpha8(&pixels, NULL, NULL); if (pixels) { TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4); const unsigned char* src = pixels; unsigned int* dst = TexPixelsRGBA32; for (int n = TexWidth * TexHeight; n > 0; n--) *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++)); } } *out_pixels = (unsigned char*)TexPixelsRGBA32; if (out_width) *out_width = TexWidth; if (out_height) *out_height = TexHeight; if (out_bytes_per_pixel) *out_bytes_per_pixel = 4; } ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg) { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0); IM_ASSERT(font_cfg->SizePixels > 0.0f); // Create new font if (!font_cfg->MergeMode) Fonts.push_back(IM_NEW(ImFont)); else 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. ConfigData.push_back(*font_cfg); ImFontConfig& new_font_cfg = ConfigData.back(); if (new_font_cfg.DstFont == NULL) new_font_cfg.DstFont = Fonts.back(); if (!new_font_cfg.FontDataOwnedByAtlas) { new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize); new_font_cfg.FontDataOwnedByAtlas = true; memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize); } if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1) new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar; // Invalidate texture ClearTexData(); return new_font_cfg.DstFont; } // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder) static unsigned int stb_decompress_length(const unsigned char* input); static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length); static const char* GetDefaultCompressedFontDataTTFBase85(); static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; } static void Decode85(const unsigned char* src, unsigned char* dst) { while (*src) { unsigned int tmp = Decode85Byte(src[0]) + 85 * (Decode85Byte(src[1]) + 85 * (Decode85Byte(src[2]) + 85 * (Decode85Byte(src[3]) + 85 * Decode85Byte(src[4])))); 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. src += 5; dst += 4; } } // Load embedded ProggyClean.ttf at size 13, disable oversampling ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template) { ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); if (!font_cfg_template) { font_cfg.OversampleH = font_cfg.OversampleV = 1; font_cfg.PixelSnapH = true; } if (font_cfg.SizePixels <= 0.0f) font_cfg.SizePixels = 13.0f * 1.0f; if (font_cfg.Name[0] == '\0') ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels); font_cfg.EllipsisChar = (ImWchar)0x0085; const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85(); const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault(); ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges); font->DisplayOffset.y = 1.0f; return font; } ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); size_t data_size = 0; void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0); if (!data) { IM_ASSERT_USER_ERROR(0, "Could not load font file!"); return NULL; } ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); if (font_cfg.Name[0] == '\0') { // Store a short copy of filename into into the font name for convenience const char* p; for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {} ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels); } return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges); } // NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build(). ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); IM_ASSERT(font_cfg.FontData == NULL); font_cfg.FontData = ttf_data; font_cfg.FontDataSize = ttf_size; font_cfg.SizePixels = size_pixels; if (glyph_ranges) font_cfg.GlyphRanges = glyph_ranges; return AddFont(&font_cfg); } ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) { const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data); unsigned char* buf_decompressed_data = (unsigned char*)IM_ALLOC(buf_decompressed_size); stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size); ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); IM_ASSERT(font_cfg.FontData == NULL); font_cfg.FontDataOwnedByAtlas = true; return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges); } ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges) { int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4; void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size); Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf); ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges); IM_FREE(compressed_ttf); return font; } int ImFontAtlas::AddCustomRectRegular(int width, int height) { IM_ASSERT(width > 0 && width <= 0xFFFF); IM_ASSERT(height > 0 && height <= 0xFFFF); ImFontAtlasCustomRect r; r.Width = (unsigned short)width; r.Height = (unsigned short)height; CustomRects.push_back(r); return CustomRects.Size - 1; // Return index } int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset) { #ifdef IMGUI_USE_WCHAR32 IM_ASSERT(id <= IM_UNICODE_CODEPOINT_MAX); #endif IM_ASSERT(font != NULL); IM_ASSERT(width > 0 && width <= 0xFFFF); IM_ASSERT(height > 0 && height <= 0xFFFF); ImFontAtlasCustomRect r; r.Width = (unsigned short)width; r.Height = (unsigned short)height; r.GlyphID = id; r.GlyphAdvanceX = advance_x; r.GlyphOffset = offset; r.Font = font; CustomRects.push_back(r); return CustomRects.Size - 1; // Return index } void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const { IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y); *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y); } bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]) { if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT) return false; if (Flags & ImFontAtlasFlags_NoMouseCursors) return false; IM_ASSERT(CustomRectIds[0] != -1); ImFontAtlasCustomRect& r = CustomRects[CustomRectIds[0]]; ImVec2 pos = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][0] + ImVec2((float)r.X, (float)r.Y); ImVec2 size = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][1]; *out_size = size; *out_offset = FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[cursor_type][2]; out_uv_border[0] = (pos) * TexUvScale; out_uv_border[1] = (pos + size) * TexUvScale; pos.x += FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1; out_uv_fill[0] = (pos) * TexUvScale; out_uv_fill[1] = (pos + size) * TexUvScale; return true; } bool ImFontAtlas::Build() { IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); return ImFontAtlasBuildWithStbTruetype(this); } void ImFontAtlasBuildMultiplyCalcLookupTable(unsigned char out_table[256], float in_brighten_factor) { for (unsigned int i = 0; i < 256; i++) { unsigned int value = (unsigned int)(i * in_brighten_factor); out_table[i] = value > 255 ? 255 : (value & 0xFF); } } void ImFontAtlasBuildMultiplyRectAlpha8(const unsigned char table[256], unsigned char* pixels, int x, int y, int w, int h, int stride) { unsigned char* data = pixels + x + y * stride; for (int j = h; j > 0; j--, data += stride) for (int i = 0; i < w; i++) data[i] = table[data[i]]; } // Temporary data for one source font (multiple source fonts can be merged into one destination ImFont) // (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.) struct ImFontBuildSrcData { stbtt_fontinfo FontInfo; stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data) stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position. stbtt_packedchar* PackedChars; // Output glyphs const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF) int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[] int GlyphsHighest; // Highest requested codepoint int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font) ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB) ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap) }; // Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont) struct ImFontBuildDstData { int SrcCount; // Number of source fonts targeting this destination font. int GlyphsHighest; int GlyphsCount; ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font. }; static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector<int>* out) { IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int)); const ImU32* it_begin = in->Storage.begin(); const ImU32* it_end = in->Storage.end(); for (const ImU32* it = it_begin; it < it_end; it++) if (ImU32 entries_32 = *it) for (ImU32 bit_n = 0; bit_n < 32; bit_n++) if (entries_32 & ((ImU32)1 << bit_n)) out->push_back((int)(((it - it_begin) << 5) + bit_n)); } bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas) { IM_ASSERT(atlas->ConfigData.Size > 0); ImFontAtlasBuildInit(atlas); // Clear atlas atlas->TexID = (ImTextureID)NULL; atlas->TexWidth = atlas->TexHeight = 0; atlas->TexUvScale = ImVec2(0.0f, 0.0f); atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f); atlas->ClearTexData(); // Temporary storage for building ImVector<ImFontBuildSrcData> src_tmp_array; ImVector<ImFontBuildDstData> dst_tmp_array; src_tmp_array.resize(atlas->ConfigData.Size); dst_tmp_array.resize(atlas->Fonts.Size); memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes()); memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes()); // 1. Initialize font loading structure, check font data validity for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++) { ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; ImFontConfig& cfg = atlas->ConfigData[src_i]; IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas)); // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices) src_tmp.DstIndex = -1; for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++) if (cfg.DstFont == atlas->Fonts[output_i]) src_tmp.DstIndex = output_i; IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array? if (src_tmp.DstIndex == -1) return false; // Initialize helper structure for font loading and verify that the TTF/OTF data is correct const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo); IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found."); if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset)) return false; // Measure highest codepoints ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault(); for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]); dst_tmp.SrcCount++; dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest); } // 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. int total_glyphs_count = 0; for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) { ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; src_tmp.GlyphsSet.Create(src_tmp.GlyphsHighest + 1); if (dst_tmp.GlyphsSet.Storage.empty()) dst_tmp.GlyphsSet.Create(dst_tmp.GlyphsHighest + 1); for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++) { if (dst_tmp.GlyphsSet.TestBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true) continue; if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font? continue; // Add to avail set/counters src_tmp.GlyphsCount++; dst_tmp.GlyphsCount++; src_tmp.GlyphsSet.SetBit(codepoint); dst_tmp.GlyphsSet.SetBit(codepoint); total_glyphs_count++; } } // 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) for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) { ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount); UnpackBitVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList); src_tmp.GlyphsSet.Clear(); IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount); } for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++) dst_tmp_array[dst_i].GlyphsSet.Clear(); dst_tmp_array.clear(); // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0) // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity) ImVector<stbrp_rect> buf_rects; ImVector<stbtt_packedchar> buf_packedchars; buf_rects.resize(total_glyphs_count); buf_packedchars.resize(total_glyphs_count); memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes()); memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes()); // 4. Gather glyphs sizes so we can pack them in our virtual canvas. int total_surface = 0; int buf_rects_out_n = 0; int buf_packedchars_out_n = 0; for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) { ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; if (src_tmp.GlyphsCount == 0) continue; src_tmp.Rects = &buf_rects[buf_rects_out_n]; src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n]; buf_rects_out_n += src_tmp.GlyphsCount; buf_packedchars_out_n += src_tmp.GlyphsCount; // Convert our ranges in the format stb_truetype wants ImFontConfig& cfg = atlas->ConfigData[src_i]; src_tmp.PackRange.font_size = cfg.SizePixels; src_tmp.PackRange.first_unicode_codepoint_in_range = 0; src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data; src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size; src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars; src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH; src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV; // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects) const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels); const int padding = atlas->TexGlyphPadding; for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++) { int x0, y0, x1, y1; const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]); IM_ASSERT(glyph_index_in_font != 0); stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1); src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1); src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1); total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h; } } // We need a width for the skyline algorithm, any width! // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height. // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface. const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1; atlas->TexHeight = 0; if (atlas->TexDesiredWidth > 0) atlas->TexWidth = atlas->TexDesiredWidth; else atlas->TexWidth = (surface_sqrt >= 4096 * 0.7f) ? 4096 : (surface_sqrt >= 2048 * 0.7f) ? 2048 : (surface_sqrt >= 1024 * 0.7f) ? 1024 : 512; // 5. Start packing // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values). const int TEX_HEIGHT_MAX = 1024 * 32; stbtt_pack_context spc = {}; stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL); ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info); // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point. for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) { ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; if (src_tmp.GlyphsCount == 0) continue; stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount); // Extend texture height and mark missing glyphs as non-packed so we won't render them. // 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?) for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) if (src_tmp.Rects[glyph_i].was_packed) atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h); } // 7. Allocate texture atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight); atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight); atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight); memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight); spc.pixels = atlas->TexPixelsAlpha8; spc.height = atlas->TexHeight; // 8. Render/rasterize font characters into the texture for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) { ImFontConfig& cfg = atlas->ConfigData[src_i]; ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; if (src_tmp.GlyphsCount == 0) continue; stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects); // Apply multiply operator if (cfg.RasterizerMultiply != 1.0f) { unsigned char multiply_table[256]; ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply); stbrp_rect* r = &src_tmp.Rects[0]; for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++) if (r->was_packed) ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1); } src_tmp.Rects = NULL; } // End packing stbtt_PackEnd(&spc); buf_rects.clear(); // 9. Setup ImFont and glyphs for runtime for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) { ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; if (src_tmp.GlyphsCount == 0) continue; ImFontConfig& cfg = atlas->ConfigData[src_i]; ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true) const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels); int unscaled_ascent, unscaled_descent, unscaled_line_gap; stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap); const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1)); const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1)); ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent); const float font_off_x = cfg.GlyphOffset.x; const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent); for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) { const int codepoint = src_tmp.GlyphsList[glyph_i]; const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i]; const float char_advance_x_org = pc.xadvance; const float char_advance_x_mod = ImClamp(char_advance_x_org, cfg.GlyphMinAdvanceX, cfg.GlyphMaxAdvanceX); float char_off_x = font_off_x; if (char_advance_x_org != char_advance_x_mod) 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; // Register glyph stbtt_aligned_quad q; float dummy_x = 0.0f, dummy_y = 0.0f; stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &dummy_x, &dummy_y, &q, 0); 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); } } // Cleanup temporary (ImVector doesn't honor destructor) for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) src_tmp_array[src_i].~ImFontBuildSrcData(); ImFontAtlasBuildFinish(atlas); return true; } // Register default custom rectangles (this is called/shared by both the stb_truetype and the FreeType builder) void ImFontAtlasBuildInit(ImFontAtlas* atlas) { if (atlas->CustomRectIds[0] >= 0) return; if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H); else atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(2, 2); } void ImFontAtlasBuildSetupFont(ImFontAtlas* atlas, ImFont* font, ImFontConfig* font_config, float ascent, float descent) { if (!font_config->MergeMode) { font->ClearOutputData(); font->FontSize = font_config->SizePixels; font->ConfigData = font_config; font->ContainerAtlas = atlas; font->Ascent = ascent; font->Descent = descent; } font->ConfigDataCount++; } void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque) { stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque; IM_ASSERT(pack_context != NULL); ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects; IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong. ImVector<stbrp_rect> pack_rects; pack_rects.resize(user_rects.Size); memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes()); for (int i = 0; i < user_rects.Size; i++) { pack_rects[i].w = user_rects[i].Width; pack_rects[i].h = user_rects[i].Height; } stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size); for (int i = 0; i < pack_rects.Size; i++) if (pack_rects[i].was_packed) { user_rects[i].X = pack_rects[i].x; user_rects[i].Y = pack_rects[i].y; IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height); atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h); } } static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas) { IM_ASSERT(atlas->CustomRectIds[0] >= 0); IM_ASSERT(atlas->TexPixelsAlpha8 != NULL); ImFontAtlasCustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]]; IM_ASSERT(r.IsPacked()); const int w = atlas->TexWidth; if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) { // Render/copy pixels IM_ASSERT(r.Width == FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * 2 + 1 && r.Height == FONT_ATLAS_DEFAULT_TEX_DATA_H); for (int y = 0, n = 0; y < FONT_ATLAS_DEFAULT_TEX_DATA_H; y++) for (int x = 0; x < FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF; x++, n++) { const int offset0 = (int)(r.X + x) + (int)(r.Y + y) * w; const int offset1 = offset0 + FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF + 1; atlas->TexPixelsAlpha8[offset0] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == '.' ? 0xFF : 0x00; atlas->TexPixelsAlpha8[offset1] = FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[n] == 'X' ? 0xFF : 0x00; } } else { IM_ASSERT(r.Width == 2 && r.Height == 2); const int offset = (int)(r.X) + (int)(r.Y) * w; atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF; } atlas->TexUvWhitePixel = ImVec2((r.X + 0.5f) * atlas->TexUvScale.x, (r.Y + 0.5f) * atlas->TexUvScale.y); } void ImFontAtlasBuildFinish(ImFontAtlas* atlas) { // Render into our custom data block ImFontAtlasBuildRenderDefaultTexData(atlas); // Register custom rectangle glyphs for (int i = 0; i < atlas->CustomRects.Size; i++) { const ImFontAtlasCustomRect& r = atlas->CustomRects[i]; if (r.Font == NULL || r.GlyphID == 0) continue; IM_ASSERT(r.Font->ContainerAtlas == atlas); ImVec2 uv0, uv1; atlas->CalcCustomRectUV(&r, &uv0, &uv1); r.Font->AddGlyph((ImWchar)r.GlyphID, r.GlyphOffset.x, r.GlyphOffset.y, r.GlyphOffset.x + r.Width, r.GlyphOffset.y + r.Height, uv0.x, uv0.y, uv1.x, uv1.y, r.GlyphAdvanceX); } // Build all fonts lookup tables for (int i = 0; i < atlas->Fonts.Size; i++) if (atlas->Fonts[i]->DirtyLookupTables) atlas->Fonts[i]->BuildLookupTable(); // Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis). // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character. // FIXME: Also note that 0x2026 is currently seldom included in our font ranges. Because of this we are more likely to use three individual dots. for (int i = 0; i < atlas->Fonts.size(); i++) { ImFont* font = atlas->Fonts[i]; if (font->EllipsisChar != (ImWchar)-1) continue; const ImWchar ellipsis_variants[] = { (ImWchar)0x2026, (ImWchar)0x0085 }; for (int j = 0; j < IM_ARRAYSIZE(ellipsis_variants); j++) if (font->FindGlyphNoFallback(ellipsis_variants[j]) != NULL) // Verify glyph exists { font->EllipsisChar = ellipsis_variants[j]; break; } } } // Retrieve list of range (2 int per range, values are inclusive) const ImWchar* ImFontAtlas::GetGlyphRangesDefault() { static const ImWchar ranges[] = { 0x0020, 0x00FF, // Basic Latin + Latin Supplement 0, }; return &ranges[0]; } const ImWchar* ImFontAtlas::GetGlyphRangesKorean() { static const ImWchar ranges[] = { 0x0020, 0x00FF, // Basic Latin + Latin Supplement 0x3131, 0x3163, // Korean alphabets 0xAC00, 0xD7A3, // Korean characters 0, }; return &ranges[0]; } const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull() { static const ImWchar ranges[] = { 0x0020, 0x00FF, // Basic Latin + Latin Supplement 0x2000, 0x206F, // General Punctuation 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 0x31F0, 0x31FF, // Katakana Phonetic Extensions 0xFF00, 0xFFEF, // Half-width characters 0x4e00, 0x9FAF, // CJK Ideograms 0, }; return &ranges[0]; } static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges) { for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2) { out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]); base_codepoint += accumulative_offsets[n]; } out_ranges[0] = 0; } //------------------------------------------------------------------------- // [SECTION] ImFontAtlas glyph ranges helpers //------------------------------------------------------------------------- const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon() { // Store 2500 regularly used characters for Simplified Chinese. // 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 // This table covers 97.97% of all characters used during the month in July, 1987. // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) static const short accumulative_offsets_from_0x4E00[] = { 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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 }; static ImWchar base_ranges[] = // not zero-terminated { 0x0020, 0x00FF, // Basic Latin + Latin Supplement 0x2000, 0x206F, // General Punctuation 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 0x31F0, 0x31FF, // Katakana Phonetic Extensions 0xFF00, 0xFFEF // Half-width characters }; static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00) * 2 + 1] = { 0 }; if (!full_ranges[0]) { memcpy(full_ranges, base_ranges, sizeof(base_ranges)); UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); } return &full_ranges[0]; } const ImWchar* ImFontAtlas::GetGlyphRangesJapanese() { // 1946 common ideograms code points for Japanese // Sourced from http://theinstructionlimit.com/common-kanji-character-ranges-for-xna-spritefont-rendering // FIXME: Source a list of the revised 2136 Joyo Kanji list from 2010 and rebuild this. // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) static const short accumulative_offsets_from_0x4E00[] = { 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, }; static ImWchar base_ranges[] = // not zero-terminated { 0x0020, 0x00FF, // Basic Latin + Latin Supplement 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana 0x31F0, 0x31FF, // Katakana Phonetic Extensions 0xFF00, 0xFFEF // Half-width characters }; static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 }; if (!full_ranges[0]) { memcpy(full_ranges, base_ranges, sizeof(base_ranges)); UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); } return &full_ranges[0]; } const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic() { static const ImWchar ranges[] = { 0x0020, 0x00FF, // Basic Latin + Latin Supplement 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement 0x2DE0, 0x2DFF, // Cyrillic Extended-A 0xA640, 0xA69F, // Cyrillic Extended-B 0, }; return &ranges[0]; } const ImWchar* ImFontAtlas::GetGlyphRangesThai() { static const ImWchar ranges[] = { 0x0020, 0x00FF, // Basic Latin 0x2010, 0x205E, // Punctuations 0x0E00, 0x0E7F, // Thai 0, }; return &ranges[0]; } const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese() { static const ImWchar ranges[] = { 0x0020, 0x00FF, // Basic Latin 0x0102, 0x0103, 0x0110, 0x0111, 0x0128, 0x0129, 0x0168, 0x0169, 0x01A0, 0x01A1, 0x01AF, 0x01B0, 0x1EA0, 0x1EF9, 0, }; return &ranges[0]; } //----------------------------------------------------------------------------- // [SECTION] ImFontGlyphRangesBuilder //----------------------------------------------------------------------------- void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end) { while (text_end ? (text < text_end) : *text) { unsigned int c = 0; int c_len = ImTextCharFromUtf8(&c, text, text_end); text += c_len; if (c_len == 0) break; AddChar((ImWchar)c); } } void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges) { for (; ranges[0]; ranges += 2) for (ImWchar c = ranges[0]; c <= ranges[1]; c++) AddChar(c); } void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges) { const int max_codepoint = IM_UNICODE_CODEPOINT_MAX; for (int n = 0; n <= max_codepoint; n++) if (GetBit(n)) { out_ranges->push_back((ImWchar)n); while (n < max_codepoint && GetBit(n + 1)) n++; out_ranges->push_back((ImWchar)n); } out_ranges->push_back(0); } //----------------------------------------------------------------------------- // [SECTION] ImFont //----------------------------------------------------------------------------- ImFont::ImFont() { FontSize = 0.0f; FallbackAdvanceX = 0.0f; FallbackChar = (ImWchar)'?'; EllipsisChar = (ImWchar)-1; DisplayOffset = ImVec2(0.0f, 0.0f); FallbackGlyph = NULL; ContainerAtlas = NULL; ConfigData = NULL; ConfigDataCount = 0; DirtyLookupTables = false; Scale = 1.0f; Ascent = Descent = 0.0f; MetricsTotalSurface = 0; memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); } ImFont::~ImFont() { ClearOutputData(); } void ImFont::ClearOutputData() { FontSize = 0.0f; FallbackAdvanceX = 0.0f; Glyphs.clear(); IndexAdvanceX.clear(); IndexLookup.clear(); FallbackGlyph = NULL; ContainerAtlas = NULL; DirtyLookupTables = true; Ascent = Descent = 0.0f; MetricsTotalSurface = 0; } void ImFont::BuildLookupTable() { int max_codepoint = 0; for (int i = 0; i != Glyphs.Size; i++) max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint); // Build lookup table IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved IndexAdvanceX.clear(); IndexLookup.clear(); DirtyLookupTables = false; memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); GrowIndex(max_codepoint + 1); for (int i = 0; i < Glyphs.Size; i++) { int codepoint = (int)Glyphs[i].Codepoint; IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX; IndexLookup[codepoint] = (ImWchar)i; // Mark 4K page as used const int page_n = codepoint / 4096; Used4kPagesMap[page_n >> 3] |= 1 << (page_n & 7); } // Create a glyph to handle TAB // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?) if (FindGlyph((ImWchar)' ')) { if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky) Glyphs.resize(Glyphs.Size + 1); ImFontGlyph& tab_glyph = Glyphs.back(); tab_glyph = *FindGlyph((ImWchar)' '); tab_glyph.Codepoint = '\t'; tab_glyph.AdvanceX *= IM_TABSIZE; IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX; IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size - 1); } // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons) SetGlyphVisible((ImWchar)' ', false); SetGlyphVisible((ImWchar)'\t', false); // Setup fall-backs FallbackGlyph = FindGlyphNoFallback(FallbackChar); FallbackAdvanceX = FallbackGlyph ? FallbackGlyph->AdvanceX : 0.0f; for (int i = 0; i < max_codepoint + 1; i++) if (IndexAdvanceX[i] < 0.0f) IndexAdvanceX[i] = FallbackAdvanceX; } // API is designed this way to avoid exposing the 4K page size // e.g. use with IsGlyphRangeUnused(0, 255) bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last) { unsigned int page_begin = (c_begin / 4096); unsigned int page_last = (c_last / 4096); for (unsigned int page_n = page_begin; page_n <= page_last; page_n++) if ((page_n >> 3) < sizeof(Used4kPagesMap)) if (Used4kPagesMap[page_n >> 3] & (1 << (page_n & 7))) return false; return true; } void ImFont::SetGlyphVisible(ImWchar c, bool visible) { if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)c)) glyph->Visible = visible ? 1 : 0; } void ImFont::SetFallbackChar(ImWchar c) { FallbackChar = c; BuildLookupTable(); } void ImFont::GrowIndex(int new_size) { IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size); if (new_size <= IndexLookup.Size) return; IndexAdvanceX.resize(new_size, -1.0f); IndexLookup.resize(new_size, (ImWchar)-1); } // x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. // 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). void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x) { Glyphs.resize(Glyphs.Size + 1); ImFontGlyph& glyph = Glyphs.back(); glyph.Codepoint = (unsigned int)codepoint; glyph.Visible = (x0 != x1) && (y0 != y1); glyph.X0 = x0; glyph.Y0 = y0; glyph.X1 = x1; glyph.Y1 = y1; glyph.U0 = u0; glyph.V0 = v0; glyph.U1 = u1; glyph.V1 = v1; glyph.AdvanceX = advance_x + ConfigData->GlyphExtraSpacing.x; // Bake spacing into AdvanceX if (ConfigData->PixelSnapH) glyph.AdvanceX = IM_ROUND(glyph.AdvanceX); // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round) DirtyLookupTables = true; MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + 1.99f) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + 1.99f); } void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst) { IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function. unsigned int index_size = (unsigned int)IndexLookup.Size; if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists return; if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op return; GrowIndex(dst + 1); IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1; IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f; } const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const { if (c >= (size_t)IndexLookup.Size) return FallbackGlyph; const ImWchar i = IndexLookup.Data[c]; if (i == (ImWchar)-1) return FallbackGlyph; return &Glyphs.Data[i]; } const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const { if (c >= (size_t)IndexLookup.Size) return NULL; const ImWchar i = IndexLookup.Data[c]; if (i == (ImWchar)-1) return NULL; return &Glyphs.Data[i]; } const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const { // Simple word-wrapping for English, not full-featured. Please submit failing cases! // 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.) // For references, possible wrap point marked with ^ // "aaa bbb, ccc,ddd. eee fff. ggg!" // ^ ^ ^ ^ ^__ ^ ^ // List of hardcoded separators: .,;!?'" // Skip extra blanks after a line returns (that includes not counting them in width computation) // e.g. "Hello world" --> "Hello" "World" // Cut words that cannot possibly fit within one line. // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish" float line_width = 0.0f; float word_width = 0.0f; float blank_width = 0.0f; wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters const char* word_end = text; const char* prev_word_end = NULL; bool inside_word = true; const char* s = text; while (s < text_end) { unsigned int c = (unsigned int)*s; const char* next_s; if (c < 0x80) next_s = s + 1; else next_s = s + ImTextCharFromUtf8(&c, s, text_end); if (c == 0) break; if (c < 32) { if (c == '\n') { line_width = word_width = blank_width = 0.0f; inside_word = true; s = next_s; continue; } if (c == '\r') { s = next_s; continue; } } const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX); if (ImCharIsBlankW(c)) { if (inside_word) { line_width += blank_width; blank_width = 0.0f; word_end = s; } blank_width += char_width; inside_word = false; } else { word_width += char_width; if (inside_word) { word_end = next_s; } else { prev_word_end = word_end; line_width += word_width + blank_width; word_width = blank_width = 0.0f; } // Allow wrapping after punctuation. inside_word = (c != '.' && c != ',' && c != ';' && c != '!' && c != '?' && c != '\"'); } // We ignore blank width at the end of the line (they can be skipped) if (line_width + word_width > wrap_width) { // Words that cannot possibly fit within an entire line will be cut anywhere. if (word_width < wrap_width) s = prev_word_end ? prev_word_end : word_end; break; } s = next_s; } return s; } ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const { if (!text_end) text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this. const float line_height = size; const float scale = size / FontSize; ImVec2 text_size = ImVec2(0, 0); float line_width = 0.0f; const bool word_wrap_enabled = (wrap_width > 0.0f); const char* word_wrap_eol = NULL; const char* s = text_begin; while (s < text_end) { if (word_wrap_enabled) { // 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. if (!word_wrap_eol) { word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width); if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. 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 } if (s >= word_wrap_eol) { if (text_size.x < line_width) text_size.x = line_width; text_size.y += line_height; line_width = 0.0f; word_wrap_eol = NULL; // Wrapping skips upcoming blanks while (s < text_end) { const char c = *s; if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } } continue; } } // Decode and advance source const char* prev_s = s; unsigned int c = (unsigned int)*s; if (c < 0x80) { s += 1; } else { s += ImTextCharFromUtf8(&c, s, text_end); if (c == 0) // Malformed UTF-8? break; } if (c < 32) { if (c == '\n') { text_size.x = ImMax(text_size.x, line_width); text_size.y += line_height; line_width = 0.0f; continue; } if (c == '\r') continue; } const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale; if (line_width + char_width >= max_width) { s = prev_s; break; } line_width += char_width; } if (text_size.x < line_width) text_size.x = line_width; if (line_width > 0 || text_size.y == 0.0f) text_size.y += line_height; if (remaining) *remaining = s; return text_size; } void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const { const ImFontGlyph* glyph = FindGlyph(c); if (!glyph || !glyph->Visible) return; float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f; pos.x = IM_FLOOR(pos.x + DisplayOffset.x); pos.y = IM_FLOOR(pos.y + DisplayOffset.y); draw_list->PrimReserve(6, 4); 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); } void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip) const { if (!text_end) text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls. // Align to be pixel perfect pos.x = IM_FLOOR(pos.x + DisplayOffset.x); pos.y = IM_FLOOR(pos.y + DisplayOffset.y); float x = pos.x; float y = pos.y; if (y > clip_rect.w) return; const float scale = size / FontSize; const float line_height = FontSize * scale; const bool word_wrap_enabled = (wrap_width > 0.0f); const char* word_wrap_eol = NULL; // Fast-forward to first visible line const char* s = text_begin; if (y + line_height < clip_rect.y && !word_wrap_enabled) while (y + line_height < clip_rect.y && s < text_end) { s = (const char*)memchr(s, '\n', text_end - s); s = s ? s + 1 : text_end; y += line_height; } // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve() // 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) if (text_end - s > 10000 && !word_wrap_enabled) { const char* s_end = s; float y_end = y; while (y_end < clip_rect.w && s_end < text_end) { s_end = (const char*)memchr(s_end, '\n', text_end - s_end); s_end = s_end ? s_end + 1 : text_end; y_end += line_height; } text_end = s_end; } if (s == text_end) return; // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized) const int vtx_count_max = (int)(text_end - s) * 4; const int idx_count_max = (int)(text_end - s) * 6; const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max; draw_list->PrimReserve(idx_count_max, vtx_count_max); ImDrawVert* vtx_write = draw_list->_VtxWritePtr; ImDrawIdx* idx_write = draw_list->_IdxWritePtr; unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx; while (s < text_end) { if (word_wrap_enabled) { // 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. if (!word_wrap_eol) { word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x)); if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. 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 } if (s >= word_wrap_eol) { x = pos.x; y += line_height; word_wrap_eol = NULL; // Wrapping skips upcoming blanks while (s < text_end) { const char c = *s; if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } } continue; } } // Decode and advance source unsigned int c = (unsigned int)*s; if (c < 0x80) { s += 1; } else { s += ImTextCharFromUtf8(&c, s, text_end); if (c == 0) // Malformed UTF-8? break; } if (c < 32) { if (c == '\n') { x = pos.x; y += line_height; if (y > clip_rect.w) break; // break out of main loop continue; } if (c == '\r') continue; } const ImFontGlyph* glyph = FindGlyph((ImWchar)c); if (glyph == NULL) continue; float char_width = glyph->AdvanceX * scale; if (glyph->Visible) { // 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 float x1 = x + glyph->X0 * scale; float x2 = x + glyph->X1 * scale; float y1 = y + glyph->Y0 * scale; float y2 = y + glyph->Y1 * scale; if (x1 <= clip_rect.z && x2 >= clip_rect.x) { // Render a character float u1 = glyph->U0; float v1 = glyph->V0; float u2 = glyph->U1; float v2 = glyph->V1; // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads. if (cpu_fine_clip) { if (x1 < clip_rect.x) { u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1); x1 = clip_rect.x; } if (y1 < clip_rect.y) { v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1); y1 = clip_rect.y; } if (x2 > clip_rect.z) { u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1); x2 = clip_rect.z; } if (y2 > clip_rect.w) { v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1); y2 = clip_rect.w; } if (y1 >= y2) { x += char_width; continue; } } // We are NOT calling PrimRectUV() here because non-inlined causes too much overhead in a debug builds. Inlined here: { idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2); idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3); 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; 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; 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; 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; vtx_write += 4; vtx_current_idx += 4; idx_write += 6; } } } x += char_width; } // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action. draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink() draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data); draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size); draw_list->_VtxWritePtr = vtx_write; draw_list->_IdxWritePtr = idx_write; draw_list->_VtxCurrentIdx = vtx_current_idx; } //----------------------------------------------------------------------------- // [SECTION] ImGui Internal Render Helpers //----------------------------------------------------------------------------- // Vaguely redesigned to stop accessing ImGui global state: // - RenderArrow() // - RenderBullet() // - RenderCheckMark() // - RenderMouseCursor() // - RenderArrowPointingAt() // - RenderRectFilledRangeH() //----------------------------------------------------------------------------- // Function in need of a redesign (legacy mess) // - RenderColorRectWithAlphaCheckerboard() //----------------------------------------------------------------------------- // 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 void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale) { const float h = draw_list->_Data->FontSize * 1.00f; float r = h * 0.40f * scale; ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale); ImVec2 a, b, c; switch (dir) { case ImGuiDir_Up: case ImGuiDir_Down: if (dir == ImGuiDir_Up) r = -r; a = ImVec2(+0.000f, +0.750f) * r; b = ImVec2(-0.866f, -0.750f) * r; c = ImVec2(+0.866f, -0.750f) * r; break; case ImGuiDir_Left: case ImGuiDir_Right: if (dir == ImGuiDir_Left) r = -r; a = ImVec2(+0.750f, +0.000f) * r; b = ImVec2(-0.750f, +0.866f) * r; c = ImVec2(-0.750f, -0.866f) * r; break; case ImGuiDir_None: case ImGuiDir_COUNT: IM_ASSERT(0); break; } draw_list->AddTriangleFilled(center + a, center + b, center + c, col); } void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col) { draw_list->AddCircleFilled(pos, draw_list->_Data->FontSize * 0.20f, col, 8); } void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz) { float thickness = ImMax(sz / 5.0f, 1.0f); sz -= thickness * 0.5f; pos += ImVec2(thickness * 0.25f, thickness * 0.25f); float third = sz / 3.0f; float bx = pos.x + third; float by = pos.y + sz - third * 0.5f; draw_list->PathLineTo(ImVec2(bx - third, by - third)); draw_list->PathLineTo(ImVec2(bx, by)); draw_list->PathLineTo(ImVec2(bx + third * 2.0f, by - third * 2.0f)); draw_list->PathStroke(col, false, thickness); } void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor, ImU32 col_fill, ImU32 col_border, ImU32 col_shadow) { if (mouse_cursor == ImGuiMouseCursor_None) return; IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT); ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas; ImVec2 offset, size, uv[4]; if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2])) { pos -= offset; const ImTextureID tex_id = font_atlas->TexID; draw_list->PushTextureID(tex_id); draw_list->AddImage(tex_id, pos + ImVec2(1, 0) * scale, pos + (ImVec2(1, 0) + size) * scale, uv[2], uv[3], col_shadow); draw_list->AddImage(tex_id, pos + ImVec2(2, 0) * scale, pos + (ImVec2(2, 0) + size) * scale, uv[2], uv[3], col_shadow); draw_list->AddImage(tex_id, pos, pos + size * scale, uv[2], uv[3], col_border); draw_list->AddImage(tex_id, pos, pos + size * scale, uv[0], uv[1], col_fill); draw_list->PopTextureID(); } } // 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. void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col) { switch (direction) { 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; 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; 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; 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; case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings } } static inline float ImAcos01(float x) { if (x <= 0.0f) return IM_PI * 0.5f; if (x >= 1.0f) return 0.0f; return ImAcos(x); //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do. } // FIXME: Cleanup and move code to ImDrawList. void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding) { if (x_end_norm == x_start_norm) return; if (x_start_norm > x_end_norm) ImSwap(x_start_norm, x_end_norm); ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y); ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y); if (rounding == 0.0f) { draw_list->AddRectFilled(p0, p1, col, 0.0f); return; } rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding); const float inv_rounding = 1.0f / rounding; const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding); const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding); const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return. const float x0 = ImMax(p0.x, rect.Min.x + rounding); if (arc0_b == arc0_e) { draw_list->PathLineTo(ImVec2(x0, p1.y)); draw_list->PathLineTo(ImVec2(x0, p0.y)); } else if (arc0_b == 0.0f && arc0_e == half_pi) { draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR } else { draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR } if (p1.x > rect.Min.x + rounding) { const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding); const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding); const float x1 = ImMin(p1.x, rect.Max.x - rounding); if (arc1_b == arc1_e) { draw_list->PathLineTo(ImVec2(x1, p0.y)); draw_list->PathLineTo(ImVec2(x1, p1.y)); } else if (arc1_b == 0.0f && arc1_e == half_pi) { draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR } else { draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR } } draw_list->PathFillConvex(col); } // Helper for ColorPicker4() // 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. // Spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding altogether. // FIXME: uses ImGui::GetColorU32 void 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) { if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF) { ImU32 col_bg1 = ImGui::GetColorU32(ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col)); ImU32 col_bg2 = ImGui::GetColorU32(ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col)); draw_list->AddRectFilled(p_min, p_max, col_bg1, rounding, rounding_corners_flags); int yi = 0; for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++) { float y1 = ImClamp(y, p_min.y, p_max.y), y2 = ImMin(y + grid_step, p_max.y); if (y2 <= y1) continue; for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f) { float x1 = ImClamp(x, p_min.x, p_max.x), x2 = ImMin(x + grid_step, p_max.x); if (x2 <= x1) continue; int rounding_corners_flags_cell = 0; 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; } 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; } rounding_corners_flags_cell &= rounding_corners_flags; draw_list->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), col_bg2, rounding_corners_flags_cell ? rounding : 0.0f, rounding_corners_flags_cell); } } } else { draw_list->AddRectFilled(p_min, p_max, col, rounding, rounding_corners_flags); } } //----------------------------------------------------------------------------- // [SECTION] Decompression code //----------------------------------------------------------------------------- // Compressed with stb_compress() then converted to a C array and encoded as base85. // Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file. // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. // Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h //----------------------------------------------------------------------------- static unsigned int stb_decompress_length(const unsigned char *input) { return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11]; } static unsigned char *stb__barrier_out_e, *stb__barrier_out_b; static const unsigned char *stb__barrier_in_b; static unsigned char *stb__dout; static void stb__match(const unsigned char *data, unsigned int length) { // INVERSE of memmove... write each byte before copying the next... IM_ASSERT(stb__dout + length <= stb__barrier_out_e); if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; } while (length--) *stb__dout++ = *data++; } static void stb__lit(const unsigned char *data, unsigned int length) { IM_ASSERT(stb__dout + length <= stb__barrier_out_e); if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; } memcpy(stb__dout, data, length); stb__dout += length; } #define stb__in2(x) ((i[x] << 8) + i[(x)+1]) #define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1)) #define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1)) static const unsigned char *stb_decompress_token(const unsigned char *i) { if (*i >= 0x20) { // use fewer if's for cases that expand small if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2; else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3; else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1); } else { // more ifs for cases that expand large, since overhead is amortized if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4; else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5; else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1); else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1); else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5; else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6; } return i; } static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen) { const unsigned long ADLER_MOD = 65521; unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; unsigned long blocklen = buflen % 5552; unsigned long i; while (buflen) { for (i=0; i + 7 < blocklen; i += 8) { s1 += buffer[0], s2 += s1; s1 += buffer[1], s2 += s1; s1 += buffer[2], s2 += s1; s1 += buffer[3], s2 += s1; s1 += buffer[4], s2 += s1; s1 += buffer[5], s2 += s1; s1 += buffer[6], s2 += s1; s1 += buffer[7], s2 += s1; buffer += 8; } for (; i < blocklen; ++i) s1 += *buffer++, s2 += s1; s1 %= ADLER_MOD, s2 %= ADLER_MOD; buflen -= blocklen; blocklen = 5552; } return (unsigned int)(s2 << 16) + (unsigned int)s1; } static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/) { if (stb__in4(0) != 0x57bC0000) return 0; if (stb__in4(4) != 0) return 0; // error! stream is > 4GB const unsigned int olen = stb_decompress_length(i); stb__barrier_in_b = i; stb__barrier_out_e = output + olen; stb__barrier_out_b = output; i += 16; stb__dout = output; for (;;) { const unsigned char *old_i = i; i = stb_decompress_token(i); if (i == old_i) { if (*i == 0x05 && i[1] == 0xfa) { IM_ASSERT(stb__dout == output + olen); if (stb__dout != output + olen) return 0; if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2)) return 0; return olen; } else { IM_ASSERT(0); /* NOTREACHED */ return 0; } } IM_ASSERT(stb__dout <= output + olen); if (stb__dout > output + olen) return 0; } } //----------------------------------------------------------------------------- // [SECTION] Default font data (ProggyClean.ttf) //----------------------------------------------------------------------------- // ProggyClean.ttf // Copyright (c) 2004, 2005 Tristan Grimmer // MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) // Download and more information at http://upperbounds.net //----------------------------------------------------------------------------- // File: 'ProggyClean.ttf' (41208 bytes) // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding). // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. //----------------------------------------------------------------------------- static const char proggy_clean_ttf_compressed_data_base85[11980 + 1] = "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/" "2*>]b(MC;$jPfY.;h^`IWM9<Lh2TlS+f-s$o6Q<BWH`YiU.xfLq$N;$0iR/GX:U(jcW2p/W*q?-qmnUCI;jHSAiFWM.R*kU@C=GH?a9wp8f$e.-4^Qg1)Q-GL(lf(r/7GrRgwV%MS=C#" "`8ND>Qo#t'X#(v#Y9w0#1D$CIf;W'#pWUPXOuxXuU(H9M(1<q-UE31#^-V'8IRUo7Qf./L>=Ke$$'5F%)]0^#0X@U.a<r:QLtFsLcL6##lOj)#.Y5<-R&KgLwqJfLgN&;Q?gI^#DY2uL" "i@^rMl9t=cWq6##weg>$FBjVQTSDgEKnIS7EM9>ZY9w0#L;>>#Mx&4Mvt//L[MkA#W@lK.N'[0#7RL_&#w+F%HtG9M#XL`N&.,GM4Pg;-<nLENhvx>-VsM.M0rJfLH2eTM`*oJMHRC`N" "kfimM2J,W-jXS:)r0wK#@Fge$U>`w'N7G#$#fB#$E^$#:9:hk+eOe--6x)F7*E%?76%^GMHePW-Z5l'&GiF#$956:rS?dA#fiK:)Yr+`�j@'DbG&#^$PG.Ll+DNa<XCMKEV*N)LN/N" "*b=%Q6pia-Xg8I$<MR&,VdJe$<(7G;Ckl'&hF;;$<_=X(b.RS%%)###MPBuuE1V:v&cXm#(&cV]`k9OhLMbn%s$G2,B$BfD3X*sp5#l,$R#]x_X1xKX%b5U*[r5iMfUo9U`N99hG)" "tm+/Us9pG)XPu`<0s-)WTt(gCRxIg(%6sfh=ktMKn3j)<6<b5Sk_/0(^]AaN#(p/L>&VZ>1i%h1S9u5o@YaaW$e+b<TWFn/Z:Oh(Cx2$lNEoN^e)#CFY@@I;BOQ*sRwZtZxRcU7uW6CX" "ow0i(?$Q[cjOd[P4d)]>ROPOpxTO7Stwi1::iB1q)C_=dV26J;2,]7op$]uQr@_V7$q^%lQwtuHY]=DX,n3L#0PHDO4f9>dC@O>HBuKPpP*E,N+b3L#lpR/MrTEH.IAQk.a>D[.e;mc." 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