--- /dev/null
+// dear imgui, v1.63 WIP
+// (drawing and font code)
+
+// Contains implementation for
+// - Default styles
+// - ImDrawList
+// - ImDrawData
+// - ImFontAtlas
+// - ImFont
+// - Default font data
+
+#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS
+#endif
+
+#include "imgui.h"
+#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(__CYGWIN__)
+#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
+
+#ifdef _MSC_VER
+#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
+
+#ifdef __clang__
+#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 it.
+#pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
+#if __has_warning("-Wcomma")
+#pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
+#endif
+#if __has_warning("-Wreserved-id-macro")
+#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning : macro name is a reserved identifier //
+#endif
+#if __has_warning("-Wdouble-promotion")
+#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
+#endif
+#elif defined(__GNUC__)
+#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
+#if __GNUC__ >= 8
+#pragma GCC diagnostic ignored "-Wclass-memaccess" // warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#endif
+#endif
+
+//-------------------------------------------------------------------------
+// STB libraries implementation
+//-------------------------------------------------------------------------
+
+// Compile time options:
+//#define IMGUI_STB_NAMESPACE ImGuiStb
+//#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
+
+#ifdef __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
+
+#ifdef __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) IM_ASSERT(x)
+#define STBRP_SORT ImQsort
+#define STB_RECT_PACK_IMPLEMENTATION
+#endif
+#ifdef IMGUI_STB_RECT_PACK_FILENAME
+#include IMGUI_STB_RECT_PACK_FILENAME
+#else
+#include "stb_rect_pack.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), ImGui::MemAlloc(x))
+#define STBTT_free(x,u) ((void)(u), ImGui::MemFree(x))
+#define STBTT_assert(x) IM_ASSERT(x)
+#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 "stb_truetype.h"
+#endif
+#endif
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+#ifdef _MSC_VER
+#pragma warning (pop)
+#endif
+
+#ifdef IMGUI_STB_NAMESPACE
+} // namespace ImGuiStb
+using namespace IMGUI_STB_NAMESPACE;
+#endif
+
+//-----------------------------------------------------------------------------
+// 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(1.00f, 1.00f, 1.00f, 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_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_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, 1.00f);
+ 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_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_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, 1.00f);
+ 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_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_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);
+}
+
+//-----------------------------------------------------------------------------
+// ImDrawListData
+//-----------------------------------------------------------------------------
+
+ImDrawListSharedData::ImDrawListSharedData()
+{
+ Font = NULL;
+ FontSize = 0.0f;
+ CurveTessellationTol = 0.0f;
+ ClipRectFullscreen = ImVec4(-8192.0f, -8192.0f, +8192.0f, +8192.0f);
+
+ // Const data
+ for (int i = 0; i < IM_ARRAYSIZE(CircleVtx12); i++)
+ {
+ const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(CircleVtx12);
+ CircleVtx12[i] = ImVec2(ImCos(a), ImSin(a));
+ }
+}
+
+//-----------------------------------------------------------------------------
+// ImDrawList
+//-----------------------------------------------------------------------------
+
+void ImDrawList::Clear()
+{
+ CmdBuffer.resize(0);
+ IdxBuffer.resize(0);
+ VtxBuffer.resize(0);
+ Flags = ImDrawListFlags_AntiAliasedLines | ImDrawListFlags_AntiAliasedFill;
+ _VtxCurrentIdx = 0;
+ _VtxWritePtr = NULL;
+ _IdxWritePtr = NULL;
+ _ClipRectStack.resize(0);
+ _TextureIdStack.resize(0);
+ _Path.resize(0);
+ _ChannelsCurrent = 0;
+ _ChannelsCount = 1;
+ // NB: Do not clear channels so our allocations are re-used after the first frame.
+}
+
+void ImDrawList::ClearFreeMemory()
+{
+ CmdBuffer.clear();
+ IdxBuffer.clear();
+ VtxBuffer.clear();
+ _VtxCurrentIdx = 0;
+ _VtxWritePtr = NULL;
+ _IdxWritePtr = NULL;
+ _ClipRectStack.clear();
+ _TextureIdStack.clear();
+ _Path.clear();
+ _ChannelsCurrent = 0;
+ _ChannelsCount = 1;
+ for (int i = 0; i < _Channels.Size; i++)
+ {
+ if (i == 0) memset(&_Channels[0], 0, sizeof(_Channels[0])); // channel 0 is a copy of CmdBuffer/IdxBuffer, don't destruct again
+ _Channels[i].CmdBuffer.clear();
+ _Channels[i].IdxBuffer.clear();
+ }
+ _Channels.clear();
+}
+
+ImDrawList* ImDrawList::CloneOutput() const
+{
+ ImDrawList* dst = IM_NEW(ImDrawList(NULL));
+ dst->CmdBuffer = CmdBuffer;
+ dst->IdxBuffer = IdxBuffer;
+ dst->VtxBuffer = VtxBuffer;
+ dst->Flags = Flags;
+ return dst;
+}
+
+// Using macros because C++ is a terrible language, we want guaranteed inline, no code in header, and no overhead in Debug builds
+#define GetCurrentClipRect() (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
+#define GetCurrentTextureId() (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : NULL)
+
+void ImDrawList::AddDrawCmd()
+{
+ ImDrawCmd draw_cmd;
+ draw_cmd.ClipRect = GetCurrentClipRect();
+ draw_cmd.TextureId = GetCurrentTextureId();
+
+ IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w);
+ CmdBuffer.push_back(draw_cmd);
+}
+
+void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
+{
+ ImDrawCmd* current_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
+ if (!current_cmd || current_cmd->ElemCount != 0 || current_cmd->UserCallback != NULL)
+ {
+ AddDrawCmd();
+ current_cmd = &CmdBuffer.back();
+ }
+ current_cmd->UserCallback = callback;
+ current_cmd->UserCallbackData = callback_data;
+
+ AddDrawCmd(); // Force a new command after us (see comment below)
+}
+
+// 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::UpdateClipRect()
+{
+ // If current command is used with different settings we need to add a new command
+ const ImVec4 curr_clip_rect = GetCurrentClipRect();
+ ImDrawCmd* curr_cmd = CmdBuffer.Size > 0 ? &CmdBuffer.Data[CmdBuffer.Size-1] : NULL;
+ if (!curr_cmd || (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) != 0) || curr_cmd->UserCallback != NULL)
+ {
+ AddDrawCmd();
+ return;
+ }
+
+ // Try to merge with previous command if it matches, else use current command
+ ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
+ if (curr_cmd->ElemCount == 0 && prev_cmd && memcmp(&prev_cmd->ClipRect, &curr_clip_rect, sizeof(ImVec4)) == 0 && prev_cmd->TextureId == GetCurrentTextureId() && prev_cmd->UserCallback == NULL)
+ CmdBuffer.pop_back();
+ else
+ curr_cmd->ClipRect = curr_clip_rect;
+}
+
+void ImDrawList::UpdateTextureID()
+{
+ // If current command is used with different settings we need to add a new command
+ const ImTextureID curr_texture_id = GetCurrentTextureId();
+ ImDrawCmd* curr_cmd = CmdBuffer.Size ? &CmdBuffer.back() : NULL;
+ if (!curr_cmd || (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != curr_texture_id) || curr_cmd->UserCallback != NULL)
+ {
+ AddDrawCmd();
+ return;
+ }
+
+ // Try to merge with previous command if it matches, else use current command
+ ImDrawCmd* prev_cmd = CmdBuffer.Size > 1 ? curr_cmd - 1 : NULL;
+ if (curr_cmd->ElemCount == 0 && prev_cmd && prev_cmd->TextureId == curr_texture_id && memcmp(&prev_cmd->ClipRect, &GetCurrentClipRect(), sizeof(ImVec4)) == 0 && prev_cmd->UserCallback == NULL)
+ CmdBuffer.pop_back();
+ else
+ curr_cmd->TextureId = curr_texture_id;
+}
+
+#undef GetCurrentClipRect
+#undef GetCurrentTextureId
+
+// 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 && _ClipRectStack.Size)
+ {
+ ImVec4 current = _ClipRectStack.Data[_ClipRectStack.Size-1];
+ 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);
+ UpdateClipRect();
+}
+
+void ImDrawList::PushClipRectFullScreen()
+{
+ PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w));
+}
+
+void ImDrawList::PopClipRect()
+{
+ IM_ASSERT(_ClipRectStack.Size > 0);
+ _ClipRectStack.pop_back();
+ UpdateClipRect();
+}
+
+void ImDrawList::PushTextureID(ImTextureID texture_id)
+{
+ _TextureIdStack.push_back(texture_id);
+ UpdateTextureID();
+}
+
+void ImDrawList::PopTextureID()
+{
+ IM_ASSERT(_TextureIdStack.Size > 0);
+ _TextureIdStack.pop_back();
+ UpdateTextureID();
+}
+
+void ImDrawList::ChannelsSplit(int channels_count)
+{
+ IM_ASSERT(_ChannelsCurrent == 0 && _ChannelsCount == 1);
+ int old_channels_count = _Channels.Size;
+ if (old_channels_count < channels_count)
+ _Channels.resize(channels_count);
+ _ChannelsCount = channels_count;
+
+ // _Channels[] (24/32 bytes each) hold storage that we'll swap with this->_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 _CmdBuffer/_IdxBuffer into _Channels[0] and then _Channels[1] into _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;
+ draw_cmd.ClipRect = _ClipRectStack.back();
+ draw_cmd.TextureId = _TextureIdStack.back();
+ _Channels[i].CmdBuffer.push_back(draw_cmd);
+ }
+ }
+}
+
+void ImDrawList::ChannelsMerge()
+{
+ // 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 (_ChannelsCount <= 1)
+ return;
+
+ ChannelsSetCurrent(0);
+ if (CmdBuffer.Size && CmdBuffer.back().ElemCount == 0)
+ CmdBuffer.pop_back();
+
+ int new_cmd_buffer_count = 0, new_idx_buffer_count = 0;
+ for (int i = 1; i < _ChannelsCount; i++)
+ {
+ ImDrawChannel& ch = _Channels[i];
+ if (ch.CmdBuffer.Size && ch.CmdBuffer.back().ElemCount == 0)
+ ch.CmdBuffer.pop_back();
+ new_cmd_buffer_count += ch.CmdBuffer.Size;
+ new_idx_buffer_count += ch.IdxBuffer.Size;
+ }
+ CmdBuffer.resize(CmdBuffer.Size + new_cmd_buffer_count);
+ IdxBuffer.resize(IdxBuffer.Size + new_idx_buffer_count);
+
+ ImDrawCmd* cmd_write = CmdBuffer.Data + CmdBuffer.Size - new_cmd_buffer_count;
+ _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size - new_idx_buffer_count;
+ for (int i = 1; i < _ChannelsCount; 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(_IdxWritePtr, ch.IdxBuffer.Data, sz * sizeof(ImDrawIdx)); _IdxWritePtr += sz; }
+ }
+ UpdateClipRect(); // We call this instead of AddDrawCmd(), so that empty channels won't produce an extra draw call.
+ _ChannelsCount = 1;
+}
+
+void ImDrawList::ChannelsSetCurrent(int idx)
+{
+ IM_ASSERT(idx < _ChannelsCount);
+ if (_ChannelsCurrent == idx) return;
+ memcpy(&_Channels.Data[_ChannelsCurrent].CmdBuffer, &CmdBuffer, sizeof(CmdBuffer)); // copy 12 bytes, four times
+ memcpy(&_Channels.Data[_ChannelsCurrent].IdxBuffer, &IdxBuffer, sizeof(IdxBuffer));
+ _ChannelsCurrent = idx;
+ memcpy(&CmdBuffer, &_Channels.Data[_ChannelsCurrent].CmdBuffer, sizeof(CmdBuffer));
+ memcpy(&IdxBuffer, &_Channels.Data[_ChannelsCurrent].IdxBuffer, sizeof(IdxBuffer));
+ _IdxWritePtr = IdxBuffer.Data + IdxBuffer.Size;
+}
+
+// NB: this can be called with negative count for removing primitives (as long as the result does not underflow)
+void ImDrawList::PrimReserve(int idx_count, int vtx_count)
+{
+ 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;
+}
+
+// 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;
+}
+
+// TODO: Thickness anti-aliased lines cap are missing their AA fringe.
+void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, bool closed, float thickness)
+{
+ if (points_count < 2)
+ return;
+
+ const ImVec2 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));
+ ImVec2* temp_points = temp_normals + points_count;
+
+ for (int i1 = 0; i1 < count; i1++)
+ {
+ const int i2 = (i1+1) == points_count ? 0 : i1+1;
+ ImVec2 diff = points[i2] - points[i1];
+ diff *= ImInvLength(diff, 1.0f);
+ temp_normals[i1].x = diff.y;
+ temp_normals[i1].y = -diff.x;
+ }
+ 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
+ ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f;
+ float dmr2 = dm.x*dm.x + dm.y*dm.y;
+ if (dmr2 > 0.000001f)
+ {
+ float scale = 1.0f / dmr2;
+ if (scale > 100.0f) scale = 100.0f;
+ dm *= scale;
+ }
+ dm *= AA_SIZE;
+ temp_points[i2*2+0] = points[i2] + dm;
+ temp_points[i2*2+1] = points[i2] - dm;
+
+ // 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 vertexes
+ for (int i = 0; i < points_count; i++)
+ {
+ _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
+ _VtxWritePtr[1].pos = temp_points[i*2+0]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans;
+ _VtxWritePtr[2].pos = temp_points[i*2+1]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col_trans;
+ _VtxWritePtr += 3;
+ }
+ }
+ else
+ {
+ const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f;
+ if (!closed)
+ {
+ 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_count-1)*4+0] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness + AA_SIZE);
+ temp_points[(points_count-1)*4+1] = points[points_count-1] + temp_normals[points_count-1] * (half_inner_thickness);
+ temp_points[(points_count-1)*4+2] = points[points_count-1] - temp_normals[points_count-1] * (half_inner_thickness);
+ temp_points[(points_count-1)*4+3] = points[points_count-1] - temp_normals[points_count-1] * (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;
+ unsigned int idx2 = (i1+1) == points_count ? _VtxCurrentIdx : idx1+4;
+
+ // Average normals
+ ImVec2 dm = (temp_normals[i1] + temp_normals[i2]) * 0.5f;
+ float dmr2 = dm.x*dm.x + dm.y*dm.y;
+ if (dmr2 > 0.000001f)
+ {
+ float scale = 1.0f / dmr2;
+ if (scale > 100.0f) scale = 100.0f;
+ dm *= scale;
+ }
+ ImVec2 dm_out = dm * (half_inner_thickness + AA_SIZE);
+ ImVec2 dm_in = dm * half_inner_thickness;
+ temp_points[i2*4+0] = points[i2] + dm_out;
+ temp_points[i2*4+1] = points[i2] + dm_in;
+ temp_points[i2*4+2] = points[i2] - dm_in;
+ temp_points[i2*4+3] = points[i2] - dm_out;
+
+ // 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 vertexes
+ for (int i = 0; i < points_count; i++)
+ {
+ _VtxWritePtr[0].pos = temp_points[i*4+0]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col_trans;
+ _VtxWritePtr[1].pos = temp_points[i*4+1]; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
+ _VtxWritePtr[2].pos = temp_points[i*4+2]; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
+ _VtxWritePtr[3].pos = temp_points[i*4+3]; _VtxWritePtr[3].uv = 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];
+ ImVec2 diff = p2 - p1;
+ diff *= ImInvLength(diff, 1.0f);
+
+ const float dx = diff.x * (thickness * 0.5f);
+ const float dy = diff.y * (thickness * 0.5f);
+ _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col;
+ _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col;
+ _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col;
+ _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = 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;
+ }
+ }
+}
+
+void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col)
+{
+ 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));
+ for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
+ {
+ const ImVec2& p0 = points[i0];
+ const ImVec2& p1 = points[i1];
+ ImVec2 diff = p1 - p0;
+ diff *= ImInvLength(diff, 1.0f);
+ temp_normals[i0].x = diff.y;
+ temp_normals[i0].y = -diff.x;
+ }
+
+ 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];
+ ImVec2 dm = (n0 + n1) * 0.5f;
+ float dmr2 = dm.x*dm.x + dm.y*dm.y;
+ if (dmr2 > 0.000001f)
+ {
+ float scale = 1.0f / dmr2;
+ if (scale > 100.0f) scale = 100.0f;
+ dm *= scale;
+ }
+ dm *= AA_SIZE * 0.5f;
+
+ // Add vertices
+ _VtxWritePtr[0].pos = (points[i1] - dm); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner
+ _VtxWritePtr[1].pos = (points[i1] + dm); _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& centre, 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(centre);
+ return;
+ }
+ _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->CircleVtx12[a % IM_ARRAYSIZE(_Data->CircleVtx12)];
+ _Path.push_back(ImVec2(centre.x + c.x * radius, centre.y + c.y * radius));
+ }
+}
+
+void ImDrawList::PathArcTo(const ImVec2& centre, float radius, float a_min, float a_max, int num_segments)
+{
+ if (radius == 0.0f)
+ {
+ _Path.push_back(centre);
+ return;
+ }
+ _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(centre.x + ImCos(a) * radius, centre.y + ImSin(a) * radius));
+ }
+}
+
+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)
+ {
+ // Auto-tessellated
+ PathBezierToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0);
+ }
+ else
+ {
+ float t_step = 1.0f / (float)num_segments;
+ for (int i_step = 1; i_step <= num_segments; i_step++)
+ {
+ float t = t_step * i_step;
+ 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;
+ _Path.push_back(ImVec2(w1*p1.x + w2*p2.x + w3*p3.x + w4*p4.x, w1*p1.y + w2*p2.y + w3*p3.y + w4*p4.y));
+ }
+ }
+}
+
+void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, int 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& a, const ImVec2& b, ImU32 col, float thickness)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+ PathLineTo(a + ImVec2(0.5f,0.5f));
+ PathLineTo(b + ImVec2(0.5f,0.5f));
+ PathStroke(col, false, thickness);
+}
+
+// a: upper-left, b: lower-right. we don't render 1 px sized rectangles properly.
+void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags, float thickness)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+ if (Flags & ImDrawListFlags_AntiAliasedLines)
+ PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.50f,0.50f), rounding, rounding_corners_flags);
+ else
+ PathRect(a + ImVec2(0.5f,0.5f), b - ImVec2(0.49f,0.49f), rounding, rounding_corners_flags); // Better looking lower-right corner and rounded non-AA shapes.
+ PathStroke(col, true, thickness);
+}
+
+void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, float rounding, int rounding_corners_flags)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+ if (rounding > 0.0f)
+ {
+ PathRect(a, b, rounding, rounding_corners_flags);
+ PathFillConvex(col);
+ }
+ else
+ {
+ PrimReserve(6, 4);
+ PrimRect(a, b, col);
+ }
+}
+
+void ImDrawList::AddRectFilledMultiColor(const ImVec2& a, const ImVec2& c, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left)
+{
+ 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(a, uv, col_upr_left);
+ PrimWriteVtx(ImVec2(c.x, a.y), uv, col_upr_right);
+ PrimWriteVtx(c, uv, col_bot_right);
+ PrimWriteVtx(ImVec2(a.x, c.y), uv, col_bot_left);
+}
+
+void ImDrawList::AddQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col, float thickness)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ PathLineTo(a);
+ PathLineTo(b);
+ PathLineTo(c);
+ PathLineTo(d);
+ PathStroke(col, true, thickness);
+}
+
+void ImDrawList::AddQuadFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ PathLineTo(a);
+ PathLineTo(b);
+ PathLineTo(c);
+ PathLineTo(d);
+ PathFillConvex(col);
+}
+
+void ImDrawList::AddTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col, float thickness)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ PathLineTo(a);
+ PathLineTo(b);
+ PathLineTo(c);
+ PathStroke(col, true, thickness);
+}
+
+void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ PathLineTo(a);
+ PathLineTo(b);
+ PathLineTo(c);
+ PathFillConvex(col);
+}
+
+void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int num_segments, float thickness)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
+ PathArcTo(centre, radius-0.5f, 0.0f, a_max, num_segments);
+ PathStroke(col, true, thickness);
+}
+
+void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col, int num_segments)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ const float a_max = IM_PI*2.0f * ((float)num_segments - 1.0f) / (float)num_segments;
+ PathArcTo(centre, radius, 0.0f, a_max, num_segments);
+ PathFillConvex(col);
+}
+
+void ImDrawList::AddBezierCurve(const ImVec2& pos0, const ImVec2& cp0, const ImVec2& cp1, const ImVec2& pos1, ImU32 col, float thickness, int num_segments)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ PathLineTo(pos0);
+ PathBezierCurveTo(cp0, cp1, pos1, 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 == _TextureIdStack.back()); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font.
+
+ ImVec4 clip_rect = _ClipRectStack.back();
+ 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& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
+ if (push_texture_id)
+ PushTextureID(user_texture_id);
+
+ PrimReserve(6, 4);
+ PrimRectUV(a, b, uv_a, uv_b, col);
+
+ if (push_texture_id)
+ PopTextureID();
+}
+
+void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ const bool push_texture_id = _TextureIdStack.empty() || user_texture_id != _TextureIdStack.back();
+ if (push_texture_id)
+ PushTextureID(user_texture_id);
+
+ PrimReserve(6, 4);
+ PrimQuadUV(a, b, c, d, uv_a, uv_b, uv_c, uv_d, col);
+
+ if (push_texture_id)
+ PopTextureID();
+}
+
+void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, ImU32 col, float rounding, int rounding_corners)
+{
+ if ((col & IM_COL32_A_MASK) == 0)
+ return;
+
+ if (rounding <= 0.0f || (rounding_corners & ImDrawCornerFlags_All) == 0)
+ {
+ AddImage(user_texture_id, a, b, uv_a, uv_b, 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(a, b, rounding, rounding_corners);
+ PathFillConvex(col);
+ int vert_end_idx = VtxBuffer.Size;
+ ImGui::ShadeVertsLinearUV(VtxBuffer.Data + vert_start_idx, VtxBuffer.Data + vert_end_idx, a, b, uv_a, uv_b, true);
+
+ if (push_texture_id)
+ PopTextureID();
+}
+
+//-----------------------------------------------------------------------------
+// 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 ImGui expects, or if there is a difference between your window resolution and framebuffer resolution.
+void ImDrawData::ScaleClipRects(const ImVec2& 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 * scale.x, cmd->ClipRect.y * scale.y, cmd->ClipRect.z * scale.x, cmd->ClipRect.w * scale.y);
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Shade functions
+//-----------------------------------------------------------------------------
+
+// Generic linear color gradient, write to RGB fields, leave A untouched.
+void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDrawVert* vert_end, 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);
+ 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(ImDrawVert* vert_start, ImDrawVert* vert_end, 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);
+
+ 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);
+ }
+}
+
+//-----------------------------------------------------------------------------
+// ImFontConfig
+//-----------------------------------------------------------------------------
+
+ImFontConfig::ImFontConfig()
+{
+ FontData = NULL;
+ FontDataSize = 0;
+ FontDataOwnedByAtlas = true;
+ FontNo = 0;
+ SizePixels = 0.0f;
+ OversampleH = 3;
+ 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;
+ memset(Name, 0, sizeof(Name));
+ DstFont = NULL;
+}
+
+//-----------------------------------------------------------------------------
+// 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 ImGui to render filled shapes.
+const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
+const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
+const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
+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 = 0x00;
+ TexID = 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)
+ {
+ ImGui::MemFree(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)
+ ImGui::MemFree(TexPixelsAlpha8);
+ if (TexPixelsRGBA32)
+ ImGui::MemFree(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*)ImGui::MemAlloc((size_t)(TexWidth * 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()); // 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)
+ new_font_cfg.DstFont = Fonts.back();
+ if (!new_font_cfg.FontDataOwnedByAtlas)
+ {
+ new_font_cfg.FontData = ImGui::MemAlloc(new_font_cfg.FontDataSize);
+ new_font_cfg.FontDataOwnedByAtlas = true;
+ memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize);
+ }
+
+ // 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.Name[0] == '\0') strcpy(font_cfg.Name, "ProggyClean.ttf, 13px");
+ if (font_cfg.SizePixels <= 0.0f) font_cfg.SizePixels = 13.0f;
+
+ const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
+ ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, GetGlyphRangesDefault());
+ 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(0); // Could not load 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 *)ImGui::MemAlloc(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 = ImGui::MemAlloc((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);
+ ImGui::MemFree(compressed_ttf);
+ return font;
+}
+
+int ImFontAtlas::AddCustomRectRegular(unsigned int id, int width, int height)
+{
+ IM_ASSERT(id >= 0x10000);
+ IM_ASSERT(width > 0 && width <= 0xFFFF);
+ IM_ASSERT(height > 0 && height <= 0xFFFF);
+ CustomRect r;
+ r.ID = id;
+ 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)
+{
+ IM_ASSERT(font != NULL);
+ IM_ASSERT(width > 0 && width <= 0xFFFF);
+ IM_ASSERT(height > 0 && height <= 0xFFFF);
+ CustomRect r;
+ r.ID = id;
+ r.Width = (unsigned short)width;
+ r.Height = (unsigned short)height;
+ r.GlyphAdvanceX = advance_x;
+ r.GlyphOffset = offset;
+ r.Font = font;
+ CustomRects.push_back(r);
+ return CustomRects.Size - 1; // Return index
+}
+
+void ImFontAtlas::CalcCustomRectUV(const CustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max)
+{
+ 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);
+ ImFontAtlas::CustomRect& r = CustomRects[CustomRectIds[0]];
+ IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
+ 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]];
+}
+
+bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas)
+{
+ IM_ASSERT(atlas->ConfigData.Size > 0);
+
+ ImFontAtlasBuildRegisterDefaultCustomRects(atlas);
+
+ atlas->TexID = NULL;
+ atlas->TexWidth = atlas->TexHeight = 0;
+ atlas->TexUvScale = ImVec2(0.0f, 0.0f);
+ atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f);
+ atlas->ClearTexData();
+
+ // Count glyphs/ranges
+ int total_glyphs_count = 0;
+ int total_ranges_count = 0;
+ for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
+ {
+ ImFontConfig& cfg = atlas->ConfigData[input_i];
+ if (!cfg.GlyphRanges)
+ cfg.GlyphRanges = atlas->GetGlyphRangesDefault();
+ for (const ImWchar* in_range = cfg.GlyphRanges; in_range[0] && in_range[1]; in_range += 2, total_ranges_count++)
+ total_glyphs_count += (in_range[1] - in_range[0]) + 1;
+ }
+
+ // We need a width for the skyline algorithm. Using a dumb heuristic here to decide of width. User can override TexDesiredWidth and TexGlyphPadding if they wish.
+ // Width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height.
+ atlas->TexWidth = (atlas->TexDesiredWidth > 0) ? atlas->TexDesiredWidth : (total_glyphs_count > 4000) ? 4096 : (total_glyphs_count > 2000) ? 2048 : (total_glyphs_count > 1000) ? 1024 : 512;
+ atlas->TexHeight = 0;
+
+ // Start packing
+ const int max_tex_height = 1024*32;
+ stbtt_pack_context spc = {};
+ if (!stbtt_PackBegin(&spc, NULL, atlas->TexWidth, max_tex_height, 0, atlas->TexGlyphPadding, NULL))
+ return false;
+ stbtt_PackSetOversampling(&spc, 1, 1);
+
+ // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values).
+ ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info);
+
+ // Initialize font information (so we can error without any cleanup)
+ struct ImFontTempBuildData
+ {
+ stbtt_fontinfo FontInfo;
+ stbrp_rect* Rects;
+ int RectsCount;
+ stbtt_pack_range* Ranges;
+ int RangesCount;
+ };
+ ImFontTempBuildData* tmp_array = (ImFontTempBuildData*)ImGui::MemAlloc((size_t)atlas->ConfigData.Size * sizeof(ImFontTempBuildData));
+ for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
+ {
+ ImFontConfig& cfg = atlas->ConfigData[input_i];
+ ImFontTempBuildData& tmp = tmp_array[input_i];
+ IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas));
+
+ 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(&tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset))
+ {
+ atlas->TexWidth = atlas->TexHeight = 0; // Reset output on failure
+ ImGui::MemFree(tmp_array);
+ return false;
+ }
+ }
+
+ // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0)
+ int buf_packedchars_n = 0, buf_rects_n = 0, buf_ranges_n = 0;
+ stbtt_packedchar* buf_packedchars = (stbtt_packedchar*)ImGui::MemAlloc(total_glyphs_count * sizeof(stbtt_packedchar));
+ stbrp_rect* buf_rects = (stbrp_rect*)ImGui::MemAlloc(total_glyphs_count * sizeof(stbrp_rect));
+ stbtt_pack_range* buf_ranges = (stbtt_pack_range*)ImGui::MemAlloc(total_ranges_count * sizeof(stbtt_pack_range));
+ memset(buf_packedchars, 0, total_glyphs_count * sizeof(stbtt_packedchar));
+ memset(buf_rects, 0, total_glyphs_count * sizeof(stbrp_rect)); // Unnecessary but let's clear this for the sake of sanity.
+ memset(buf_ranges, 0, total_ranges_count * sizeof(stbtt_pack_range));
+
+ // First font pass: pack all glyphs (no rendering at this point, we are working with rectangles in an infinitely tall texture at this point)
+ for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
+ {
+ ImFontConfig& cfg = atlas->ConfigData[input_i];
+ ImFontTempBuildData& tmp = tmp_array[input_i];
+
+ // Setup ranges
+ int font_glyphs_count = 0;
+ int font_ranges_count = 0;
+ for (const ImWchar* in_range = cfg.GlyphRanges; in_range[0] && in_range[1]; in_range += 2, font_ranges_count++)
+ font_glyphs_count += (in_range[1] - in_range[0]) + 1;
+ tmp.Ranges = buf_ranges + buf_ranges_n;
+ tmp.RangesCount = font_ranges_count;
+ buf_ranges_n += font_ranges_count;
+ for (int i = 0; i < font_ranges_count; i++)
+ {
+ const ImWchar* in_range = &cfg.GlyphRanges[i * 2];
+ stbtt_pack_range& range = tmp.Ranges[i];
+ range.font_size = cfg.SizePixels;
+ range.first_unicode_codepoint_in_range = in_range[0];
+ range.num_chars = (in_range[1] - in_range[0]) + 1;
+ range.chardata_for_range = buf_packedchars + buf_packedchars_n;
+ buf_packedchars_n += range.num_chars;
+ }
+
+ // Gather the sizes of all rectangle we need
+ tmp.Rects = buf_rects + buf_rects_n;
+ tmp.RectsCount = font_glyphs_count;
+ buf_rects_n += font_glyphs_count;
+ stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
+ int n = stbtt_PackFontRangesGatherRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
+ IM_ASSERT(n == font_glyphs_count);
+
+ // Detect missing glyphs and replace them with a zero-sized box instead of relying on the default glyphs
+ // This allows us merging overlapping icon fonts more easily.
+ int rect_i = 0;
+ for (int range_i = 0; range_i < tmp.RangesCount; range_i++)
+ for (int char_i = 0; char_i < tmp.Ranges[range_i].num_chars; char_i++, rect_i++)
+ if (stbtt_FindGlyphIndex(&tmp.FontInfo, tmp.Ranges[range_i].first_unicode_codepoint_in_range + char_i) == 0)
+ tmp.Rects[rect_i].w = tmp.Rects[rect_i].h = 0;
+
+ // Pack
+ stbrp_pack_rects((stbrp_context*)spc.pack_info, tmp.Rects, n);
+
+ // Extend texture height
+ // Also mark missing glyphs as non-packed so we don't attempt to render into them
+ for (int i = 0; i < n; i++)
+ {
+ if (tmp.Rects[i].w == 0 && tmp.Rects[i].h == 0)
+ tmp.Rects[i].was_packed = 0;
+ if (tmp.Rects[i].was_packed)
+ atlas->TexHeight = ImMax(atlas->TexHeight, tmp.Rects[i].y + tmp.Rects[i].h);
+ }
+ }
+ IM_ASSERT(buf_rects_n == total_glyphs_count);
+ IM_ASSERT(buf_packedchars_n == total_glyphs_count);
+ IM_ASSERT(buf_ranges_n == total_ranges_count);
+
+ // Create 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*)ImGui::MemAlloc(atlas->TexWidth * atlas->TexHeight);
+ memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight);
+ spc.pixels = atlas->TexPixelsAlpha8;
+ spc.height = atlas->TexHeight;
+
+ // Second pass: render font characters
+ for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
+ {
+ ImFontConfig& cfg = atlas->ConfigData[input_i];
+ ImFontTempBuildData& tmp = tmp_array[input_i];
+ stbtt_PackSetOversampling(&spc, cfg.OversampleH, cfg.OversampleV);
+ stbtt_PackFontRangesRenderIntoRects(&spc, &tmp.FontInfo, tmp.Ranges, tmp.RangesCount, tmp.Rects);
+ if (cfg.RasterizerMultiply != 1.0f)
+ {
+ unsigned char multiply_table[256];
+ ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply);
+ for (const stbrp_rect* r = tmp.Rects; r != tmp.Rects + tmp.RectsCount; r++)
+ if (r->was_packed)
+ ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, spc.pixels, r->x, r->y, r->w, r->h, spc.stride_in_bytes);
+ }
+ tmp.Rects = NULL;
+ }
+
+ // End packing
+ stbtt_PackEnd(&spc);
+ ImGui::MemFree(buf_rects);
+ buf_rects = NULL;
+
+ // Third pass: setup ImFont and glyphs for runtime
+ for (int input_i = 0; input_i < atlas->ConfigData.Size; input_i++)
+ {
+ ImFontConfig& cfg = atlas->ConfigData[input_i];
+ ImFontTempBuildData& tmp = tmp_array[input_i];
+ ImFont* dst_font = cfg.DstFont; // We can have multiple input fonts writing into a same destination font (when using MergeMode=true)
+ if (cfg.MergeMode)
+ dst_font->BuildLookupTable();
+
+ const float font_scale = stbtt_ScaleForPixelHeight(&tmp.FontInfo, cfg.SizePixels);
+ int unscaled_ascent, unscaled_descent, unscaled_line_gap;
+ stbtt_GetFontVMetrics(&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 + (float)(int)(dst_font->Ascent + 0.5f);
+
+ for (int i = 0; i < tmp.RangesCount; i++)
+ {
+ stbtt_pack_range& range = tmp.Ranges[i];
+ for (int char_idx = 0; char_idx < range.num_chars; char_idx += 1)
+ {
+ const stbtt_packedchar& pc = range.chardata_for_range[char_idx];
+ if (!pc.x0 && !pc.x1 && !pc.y0 && !pc.y1)
+ continue;
+
+ const int codepoint = range.first_unicode_codepoint_in_range + char_idx;
+ if (cfg.MergeMode && dst_font->FindGlyphNoFallback((unsigned short)codepoint))
+ continue;
+
+ float char_advance_x_org = pc.xadvance;
+ 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 ? (float)(int)((char_advance_x_mod - char_advance_x_org) * 0.5f) : (char_advance_x_mod - char_advance_x_org) * 0.5f;
+
+ stbtt_aligned_quad q;
+ float dummy_x = 0.0f, dummy_y = 0.0f;
+ stbtt_GetPackedQuad(range.chardata_for_range, atlas->TexWidth, atlas->TexHeight, char_idx, &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 temporaries
+ ImGui::MemFree(buf_packedchars);
+ ImGui::MemFree(buf_ranges);
+ ImGui::MemFree(tmp_array);
+
+ ImFontAtlasBuildFinish(atlas);
+
+ return true;
+}
+
+void ImFontAtlasBuildRegisterDefaultCustomRects(ImFontAtlas* atlas)
+{
+ if (atlas->CustomRectIds[0] >= 0)
+ return;
+ if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors))
+ atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF*2+1, FONT_ATLAS_DEFAULT_TEX_DATA_H);
+ else
+ atlas->CustomRectIds[0] = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_ID, 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* pack_context_opaque)
+{
+ stbrp_context* pack_context = (stbrp_context*)pack_context_opaque;
+
+ ImVector<ImFontAtlas::CustomRect>& 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, sizeof(stbrp_rect) * user_rects.Size);
+ 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);
+ ImFontAtlas::CustomRect& r = atlas->CustomRects[atlas->CustomRectIds[0]];
+ IM_ASSERT(r.ID == FONT_ATLAS_DEFAULT_TEX_DATA_ID);
+ 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 ImFontAtlas::CustomRect& r = atlas->CustomRects[i];
+ if (r.Font == NULL || r.ID > 0x10000)
+ continue;
+
+ IM_ASSERT(r.Font->ContainerAtlas == atlas);
+ ImVec2 uv0, uv1;
+ atlas->CalcCustomRectUV(&r, &uv0, &uv1);
+ r.Font->AddGlyph((ImWchar)r.ID, r.GlyphOffset.x, r.GlyphOffset.y, r.GlyphOffset.x + r.Width, r.GlyphOffset.y + r.Height, uv0.x, uv0.y, uv1.x, uv1.y, r.GlyphAdvanceX);
+ }
+
+ // Build all fonts lookup tables
+ for (int i = 0; i < atlas->Fonts.Size; i++)
+ if (atlas->Fonts[i]->DirtyLookupTables)
+ atlas->Fonts[i]->BuildLookupTable();
+}
+
+// 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, 0xD79D, // Korean characters
+ 0,
+ };
+ return &ranges[0];
+}
+
+const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull()
+{
+ static const ImWchar ranges[] =
+ {
+ 0x0020, 0x00FF, // Basic Latin + Latin Supplement
+ 0x3000, 0x30FF, // 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;
+}
+
+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 ImFontAtlas::GlyphRangesBuilder 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
+ 0x3000, 0x30FF, // 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 ImFontAtlas::GlyphRangesBuilder 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, // 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];
+}
+
+//-----------------------------------------------------------------------------
+// ImFontAtlas::GlyphRangesBuilder
+//-----------------------------------------------------------------------------
+
+void ImFontAtlas::GlyphRangesBuilder::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;
+ if (c < 0x10000)
+ AddChar((ImWchar)c);
+ }
+}
+
+void ImFontAtlas::GlyphRangesBuilder::AddRanges(const ImWchar* ranges)
+{
+ for (; ranges[0]; ranges += 2)
+ for (ImWchar c = ranges[0]; c <= ranges[1]; c++)
+ AddChar(c);
+}
+
+void ImFontAtlas::GlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
+{
+ for (int n = 0; n < 0x10000; n++)
+ if (GetBit(n))
+ {
+ out_ranges->push_back((ImWchar)n);
+ while (n < 0x10000 && GetBit(n + 1))
+ n++;
+ out_ranges->push_back((ImWchar)n);
+ }
+ out_ranges->push_back(0);
+}
+
+//-----------------------------------------------------------------------------
+// ImFont
+//-----------------------------------------------------------------------------
+
+ImFont::ImFont()
+{
+ Scale = 1.0f;
+ FallbackChar = (ImWchar)'?';
+ DisplayOffset = ImVec2(0.0f, 0.0f);
+ ClearOutputData();
+}
+
+ImFont::~ImFont()
+{
+ // Invalidate active font so that the user gets a clear crash instead of a dangling pointer.
+ // If you want to delete fonts you need to do it between Render() and NewFrame().
+ // FIXME-CLEANUP
+ /*
+ ImGuiContext& g = *GImGui;
+ if (g.Font == this)
+ g.Font = NULL;
+ */
+ ClearOutputData();
+}
+
+void ImFont::ClearOutputData()
+{
+ FontSize = 0.0f;
+ Glyphs.clear();
+ IndexAdvanceX.clear();
+ IndexLookup.clear();
+ FallbackGlyph = NULL;
+ FallbackAdvanceX = 0.0f;
+ ConfigDataCount = 0;
+ ConfigData = NULL;
+ ContainerAtlas = NULL;
+ Ascent = Descent = 0.0f;
+ DirtyLookupTables = true;
+ 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);
+
+ IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved
+ IndexAdvanceX.clear();
+ IndexLookup.clear();
+ DirtyLookupTables = false;
+ 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] = (unsigned short)i;
+ }
+
+ // 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((unsigned short)' '))
+ {
+ if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times
+ Glyphs.resize(Glyphs.Size + 1);
+ ImFontGlyph& tab_glyph = Glyphs.back();
+ tab_glyph = *FindGlyph((unsigned short)' ');
+ tab_glyph.Codepoint = '\t';
+ tab_glyph.AdvanceX *= 4;
+ IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX;
+ IndexLookup[(int)tab_glyph.Codepoint] = (unsigned short)(Glyphs.Size-1);
+ }
+
+ 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;
+}
+
+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, (unsigned short)-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 = (ImWchar)codepoint;
+ 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 = (float)(int)(glyph.AdvanceX + 0.5f);
+
+ // 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.
+ int index_size = IndexLookup.Size;
+
+ if (dst < index_size && IndexLookup.Data[dst] == (unsigned short)-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] : (unsigned short)-1;
+ IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f;
+}
+
+const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const
+{
+ if (c >= IndexLookup.Size)
+ return FallbackGlyph;
+ const unsigned short i = IndexLookup[c];
+ if (i == (unsigned short)-1)
+ return FallbackGlyph;
+ return &Glyphs.Data[i];
+}
+
+const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const
+{
+ if (c >= IndexLookup.Size)
+ return NULL;
+ const unsigned short i = IndexLookup[c];
+ if (i == (unsigned short)-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[(int)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[(int)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, unsigned short c) const
+{
+ if (c == ' ' || c == '\t' || c == '\n' || c == '\r') // Match behavior of RenderText(), those 4 codepoints are hard-coded.
+ return;
+ if (const ImFontGlyph* glyph = FindGlyph(c))
+ {
+ float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f;
+ pos.x = (float)(int)pos.x + DisplayOffset.x;
+ pos.y = (float)(int)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 = (float)(int)pos.x + DisplayOffset.x;
+ pos.y = (float)(int)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;
+
+ // Skip non-visible lines
+ const char* s = text_begin;
+ if (!word_wrap_enabled && y + line_height < clip_rect.y)
+ while (s < text_end && *s != '\n') // Fast-forward to next line
+ s++;
+
+ // 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;
+ if (!word_wrap_enabled && y + line_height < clip_rect.y)
+ while (s < text_end && *s != '\n') // Fast-forward to next line
+ s++;
+ continue;
+ }
+ if (c == '\r')
+ continue;
+ }
+
+ float char_width = 0.0f;
+ if (const ImFontGlyph* glyph = FindGlyph((unsigned short)c))
+ {
+ char_width = glyph->AdvanceX * scale;
+
+ // Arbitrarily assume that both space and tabs are empty glyphs as an optimization
+ if (c != ' ' && c != '\t')
+ {
+ // 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
+ draw_list->VtxBuffer.resize((int)(vtx_write - draw_list->VtxBuffer.Data));
+ draw_list->IdxBuffer.resize((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 = (unsigned int)draw_list->VtxBuffer.Size;
+}
+
+//-----------------------------------------------------------------------------
+// Internals Drawing Helpers
+//-----------------------------------------------------------------------------
+
+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 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 == IM_PI*0.5f)
+ {
+ 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 == IM_PI*0.5f)
+ {
+ 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);
+}
+
+//-----------------------------------------------------------------------------
+// DEFAULT FONT DATA
+//-----------------------------------------------------------------------------
+// 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, i;
+
+ blocklen = buflen % 5552;
+ 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*/)
+{
+ unsigned int olen;
+ if (stb__in4(0) != 0x57bC0000) return 0;
+ if (stb__in4(4) != 0) return 0; // error! stream is > 4GB
+ 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;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// 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."
+ "x]Ip.PH^'/aqUO/$1WxLoW0[iLA<QT;5HKD+@qQ'NQ(3_PLhE48R.qAPSwQ0/WK?Z,[x?-J;jQTWA0X@KJ(_Y8N-:/M74:/-ZpKrUss?d#dZq]DAbkU*JqkL+nwX@@47`5>w=4h(9.`G"
+ "CRUxHPeR`5Mjol(dUWxZa(>STrPkrJiWx`5U7F#.g*jrohGg`cg:lSTvEY/EV_7H4Q9[Z%cnv;JQYZ5q.l7Zeas:HOIZOB?G<Nald$qs]@]L<J7bR*>gv:[7MI2k).'2($5FNP&EQ(,)"
+ "U]W]+fh18.vsai00);D3@4ku5P?DP8aJt+;qUM]=+b'8@;mViBKx0DE[-auGl8:PJ&Dj+M6OC]O^((##]`0i)drT;-7X`=-H3[igUnPG-NZlo.#k@h#=Ork$m>a>$-?Tm$UV(?#P6YY#"
+ "'/###xe7q.73rI3*pP/$1>s9)W,JrM7SN]'/4C#v$U`0#V.[0>xQsH$fEmPMgY2u7Kh(G%siIfLSoS+MK2eTM$=5,M8p`A.;_R%#u[K#$x4AG8.kK/HSB==-'Ie/QTtG?-.*^N-4B/ZM"
+ "_3YlQC7(p7q)&](`6_c)$/*JL(L-^(]$wIM`dPtOdGA,U3:w2M-0<q-]L_?^)1vw'.,MRsqVr.L;aN&#/EgJ)PBc[-f>+WomX2u7lqM2iEumMTcsF?-aT=Z-97UEnXglEn1K-bnEO`gu"
+ "Ft(c%=;Am_Qs@jLooI&NX;]0#j4#F14;gl8-GQpgwhrq8'=l_f-b49'UOqkLu7-##oDY2L(te+Mch&gLYtJ,MEtJfLh'x'M=$CS-ZZ%P]8bZ>#S?YY#%Q&q'3^Fw&?D)UDNrocM3A76/"
+ "/oL?#h7gl85[qW/NDOk%16ij;+:1a'iNIdb-ou8.P*w,v5#EI$TWS>Pot-R*H'-SEpA:g)f+O$%%`kA#G=8RMmG1&O`>to8bC]T&$,n.LoO>29sp3dt-52U%VM#q7'DHpg+#Z9%H[K<L"
+ "%a2E-grWVM3@2=-k22tL]4$##6We'8UJCKE[d_=%wI;'6X-GsLX4j^SgJ$##R*w,vP3wK#iiW&#*h^D&R?jp7+/u&#(AP##XU8c$fSYW-J95_-Dp[g9wcO&#M-h1OcJlc-*vpw0xUX&#"
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+ "h$hxua_K]ul92%'BOU&#BRRh-slg8KDlr:%L71Ka:.A;%YULjDPmL<LYs8i#XwJOYaKPKc1h:'9Ke,g)b),78=I39B;xiY$bgGw-&.Zi9InXDuYa%G*f2Bq7mn9^#p1vv%#(Wi-;/Z5h"
+ "o;#2:;%d	v68C5g?ntX0X)pT`;%pB3q7mgGN)3%(P8nTd5L7GeA-GL@+%J3u2:(Yf>et`e;)f#Km8&+DC$I46>#Kr]]u-[=99tts1.qb#q72g1WJO81q+eN'03'eM>&1XxY-caEnO"
+ "j%2n8)),?ILR5^.Ibn<-X-Mq7[a82Lq:F&#ce+S9wsCK*x`569E8ew'He]h:sI[2LM$[guka3ZRd6:t%IG:;$%YiJ:Nq=?eAw;/:nnDq0(CYcMpG)qLN4$##&J<j$UpK<Q4a1]MupW^-"
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+ "M7-##.l+Au'A&O:-T72L]P`&=;ctp'XScX*rU.>-XTt,%OVU4)S1+R-#dg0/Nn?Ku1^0f$B*P:Rowwm-`0PKjYDDM'3]d39VZHEl4,.j']Pk-M.h^&:0FACm$maq-&sgw0t7/6(^xtk%"
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+ "%(?A%R$f<->Zts'^kn=-^@c4%-pY6qI%J%1IGxfLU9CP8cbPlXv);C=b),<2mOvP8up,UVf3839acAWAW-W?#ao/^#%KYo8fRULNd2.>%m]UK:n%r$'sw]J;5pAoO_#2mO3n,'=H5(et"
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+ "GT4CPGT4CPGT4CPGT4CPGT4CPGT4CP-qekC`.9kEg^+F$kwViFJTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5KTB&5o,^<-28ZI'O?;xp"
+ "O?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xpO?;xp;7q-#lLYI:xvD=#";
+
+static const char* GetDefaultCompressedFontDataTTFBase85()
+{
+ return proggy_clean_ttf_compressed_data_base85;
+}
projects / mesa.git / blobdiff