diff options
Diffstat (limited to '3rdparty/imgui/imgui_draw.cpp')
| -rw-r--r-- | 3rdparty/imgui/imgui_draw.cpp | 4162 |
1 files changed, 0 insertions, 4162 deletions
diff --git a/3rdparty/imgui/imgui_draw.cpp b/3rdparty/imgui/imgui_draw.cpp deleted file mode 100644 index 2393870..0000000 --- a/3rdparty/imgui/imgui_draw.cpp +++ /dev/null @@ -1,4162 +0,0 @@ -// dear imgui, v1.88 WIP -// (drawing and font code) - -/* - -Index of this file: - -// [SECTION] STB libraries implementation -// [SECTION] Style functions -// [SECTION] ImDrawList -// [SECTION] ImDrawListSplitter -// [SECTION] ImDrawData -// [SECTION] Helpers ShadeVertsXXX functions -// [SECTION] ImFontConfig -// [SECTION] ImFontAtlas -// [SECTION] ImFontAtlas glyph ranges helpers -// [SECTION] ImFontGlyphRangesBuilder -// [SECTION] ImFont -// [SECTION] ImGui Internal Render Helpers -// [SECTION] Decompression code -// [SECTION] Default font data (ProggyClean.ttf) - -*/ - -#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) -#define _CRT_SECURE_NO_WARNINGS -#endif - -#include "imgui.h" -#ifndef IMGUI_DISABLE - -#ifndef IMGUI_DEFINE_MATH_OPERATORS -#define IMGUI_DEFINE_MATH_OPERATORS -#endif - -#include "imgui_internal.h" -#ifdef IMGUI_ENABLE_FREETYPE -#include "misc/freetype/imgui_freetype.h" -#endif - -#include <stdio.h> // vsnprintf, sscanf, printf -#if !defined(alloca) -#if defined(__GLIBC__) || defined(__sun) || defined(__APPLE__) || defined(__NEWLIB__) -#include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here) -#elif defined(_WIN32) -#include <malloc.h> // alloca -#if !defined(alloca) -#define alloca _alloca // for clang with MS Codegen -#endif -#else -#include <stdlib.h> // alloca -#endif -#endif - -// Visual Studio warnings -#ifdef _MSC_VER -#pragma warning (disable: 4127) // condition expression is constant -#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff) -#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen -#pragma warning (disable: 6255) // [Static Analyzer] _alloca indicates failure by raising a stack overflow exception. Consider using _malloca instead. -#pragma warning (disable: 26451) // [Static Analyzer] Arithmetic overflow : Using operator 'xxx' on a 4 byte value and then casting the result to a 8 byte value. Cast the value to the wider type before calling operator 'xxx' to avoid overflow(io.2). -#pragma warning (disable: 26812) // [Static Analyzer] The enum type 'xxx' is unscoped. Prefer 'enum class' over 'enum' (Enum.3). [MSVC Static Analyzer) -#endif - -// Clang/GCC warnings with -Weverything -#if defined(__clang__) -#if __has_warning("-Wunknown-warning-option") -#pragma clang diagnostic ignored "-Wunknown-warning-option" // warning: unknown warning group 'xxx' // not all warnings are known by all Clang versions and they tend to be rename-happy.. so ignoring warnings triggers new warnings on some configuration. Great! -#endif -#if __has_warning("-Walloca") -#pragma clang diagnostic ignored "-Walloca" // warning: use of function '__builtin_alloca' is discouraged -#endif -#pragma clang diagnostic ignored "-Wunknown-pragmas" // warning: unknown warning group 'xxx' -#pragma clang diagnostic ignored "-Wold-style-cast" // warning: use of old-style cast // yes, they are more terse. -#pragma clang diagnostic ignored "-Wfloat-equal" // warning: comparing floating point with == or != is unsafe // storing and comparing against same constants ok. -#pragma clang diagnostic ignored "-Wglobal-constructors" // warning: declaration requires a global destructor // similar to above, not sure what the exact difference is. -#pragma clang diagnostic ignored "-Wsign-conversion" // warning: implicit conversion changes signedness -#pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant" // warning: zero as null pointer constant // some standard header variations use #define NULL 0 -#pragma clang diagnostic ignored "-Wcomma" // warning: possible misuse of comma operator here -#pragma clang diagnostic ignored "-Wreserved-id-macro" // warning: macro name is a reserved identifier -#pragma clang diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function // using printf() is a misery with this as C++ va_arg ellipsis changes float to double. -#pragma clang diagnostic ignored "-Wimplicit-int-float-conversion" // warning: implicit conversion from 'xxx' to 'float' may lose precision -#elif defined(__GNUC__) -#pragma GCC diagnostic ignored "-Wpragmas" // warning: unknown option after '#pragma GCC diagnostic' kind -#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used -#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function -#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value -#pragma GCC diagnostic ignored "-Wstack-protector" // warning: stack protector not protecting local variables: variable length buffer -#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead -#endif - -//------------------------------------------------------------------------- -// [SECTION] STB libraries implementation -//------------------------------------------------------------------------- - -// Compile time options: -//#define IMGUI_STB_NAMESPACE ImStb -//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h" -//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h" -//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION -//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION - -#ifdef IMGUI_STB_NAMESPACE -namespace IMGUI_STB_NAMESPACE -{ -#endif - -#ifdef _MSC_VER -#pragma warning (push) -#pragma warning (disable: 4456) // declaration of 'xx' hides previous local declaration -#pragma warning (disable: 6011) // (stb_rectpack) Dereferencing NULL pointer 'cur->next'. -#pragma warning (disable: 6385) // (stb_truetype) Reading invalid data from 'buffer': the readable size is '_Old_3`kernel_width' bytes, but '3' bytes may be read. -#pragma warning (disable: 28182) // (stb_rectpack) Dereferencing NULL pointer. 'cur' contains the same NULL value as 'cur->next' did. -#endif - -#if defined(__clang__) -#pragma clang diagnostic push -#pragma clang diagnostic ignored "-Wunused-function" -#pragma clang diagnostic ignored "-Wmissing-prototypes" -#pragma clang diagnostic ignored "-Wimplicit-fallthrough" -#pragma clang diagnostic ignored "-Wcast-qual" // warning: cast from 'const xxxx *' to 'xxx *' drops const qualifier -#endif - -#if defined(__GNUC__) -#pragma GCC diagnostic push -#pragma GCC diagnostic ignored "-Wtype-limits" // warning: comparison is always true due to limited range of data type [-Wtype-limits] -#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers -#endif - -#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds) -#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in another compilation unit -#define STBRP_STATIC -#define STBRP_ASSERT(x) do { IM_ASSERT(x); } while (0) -#define STBRP_SORT ImQsort -#define STB_RECT_PACK_IMPLEMENTATION -#endif -#ifdef IMGUI_STB_RECT_PACK_FILENAME -#include IMGUI_STB_RECT_PACK_FILENAME -#else -#include "imstb_rectpack.h" -#endif -#endif - -#ifdef IMGUI_ENABLE_STB_TRUETYPE -#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 // in case the user already have an implementation in another compilation unit -#define STBTT_malloc(x,u) ((void)(u), IM_ALLOC(x)) -#define STBTT_free(x,u) ((void)(u), IM_FREE(x)) -#define STBTT_assert(x) do { IM_ASSERT(x); } while(0) -#define STBTT_fmod(x,y) ImFmod(x,y) -#define STBTT_sqrt(x) ImSqrt(x) -#define STBTT_pow(x,y) ImPow(x,y) -#define STBTT_fabs(x) ImFabs(x) -#define STBTT_ifloor(x) ((int)ImFloorSigned(x)) -#define STBTT_iceil(x) ((int)ImCeil(x)) -#define STBTT_STATIC -#define STB_TRUETYPE_IMPLEMENTATION -#else -#define STBTT_DEF extern -#endif -#ifdef IMGUI_STB_TRUETYPE_FILENAME -#include IMGUI_STB_TRUETYPE_FILENAME -#else -#include "imstb_truetype.h" -#endif -#endif -#endif // IMGUI_ENABLE_STB_TRUETYPE - -#if defined(__GNUC__) -#pragma GCC diagnostic pop -#endif - -#if defined(__clang__) -#pragma clang diagnostic pop -#endif - -#if defined(_MSC_VER) -#pragma warning (pop) -#endif - -#ifdef IMGUI_STB_NAMESPACE -} // namespace ImStb -using namespace IMGUI_STB_NAMESPACE; -#endif - -//----------------------------------------------------------------------------- -// [SECTION] Style functions -//----------------------------------------------------------------------------- - -void ImGui::StyleColorsDark(ImGuiStyle* dst) -{ - ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); - ImVec4* colors = style->Colors; - - colors[ImGuiCol_Text] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); - colors[ImGuiCol_TextDisabled] = ImVec4(0.50f, 0.50f, 0.50f, 1.00f); - colors[ImGuiCol_WindowBg] = ImVec4(0.06f, 0.06f, 0.06f, 0.94f); - colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_PopupBg] = ImVec4(0.08f, 0.08f, 0.08f, 0.94f); - colors[ImGuiCol_Border] = ImVec4(0.43f, 0.43f, 0.50f, 0.50f); - colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_FrameBg] = ImVec4(0.16f, 0.29f, 0.48f, 0.54f); - colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_TitleBg] = ImVec4(0.04f, 0.04f, 0.04f, 1.00f); - colors[ImGuiCol_TitleBgActive] = ImVec4(0.16f, 0.29f, 0.48f, 1.00f); - colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.00f, 0.00f, 0.00f, 0.51f); - colors[ImGuiCol_MenuBarBg] = ImVec4(0.14f, 0.14f, 0.14f, 1.00f); - colors[ImGuiCol_ScrollbarBg] = ImVec4(0.02f, 0.02f, 0.02f, 0.53f); - colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.31f, 0.31f, 0.31f, 1.00f); - colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.41f, 0.41f, 0.41f, 1.00f); - colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.51f, 0.51f, 0.51f, 1.00f); - colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_SliderGrab] = ImVec4(0.24f, 0.52f, 0.88f, 1.00f); - colors[ImGuiCol_SliderGrabActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); - colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); - colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); - colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_Separator] = colors[ImGuiCol_Border]; - colors[ImGuiCol_SeparatorHovered] = ImVec4(0.10f, 0.40f, 0.75f, 0.78f); - colors[ImGuiCol_SeparatorActive] = ImVec4(0.10f, 0.40f, 0.75f, 1.00f); - colors[ImGuiCol_ResizeGrip] = ImVec4(0.26f, 0.59f, 0.98f, 0.20f); - colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); - colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); - colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); - colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); - colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); - colors[ImGuiCol_PlotLines] = ImVec4(0.61f, 0.61f, 0.61f, 1.00f); - colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); - colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); - colors[ImGuiCol_TableHeaderBg] = ImVec4(0.19f, 0.19f, 0.20f, 1.00f); - colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.35f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableBorderLight] = ImVec4(0.23f, 0.23f, 0.25f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.06f); - 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, 0.85f); - colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_PopupBg] = ImVec4(0.11f, 0.11f, 0.14f, 0.92f); - colors[ImGuiCol_Border] = ImVec4(0.50f, 0.50f, 0.50f, 0.50f); - colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_FrameBg] = ImVec4(0.43f, 0.43f, 0.43f, 0.39f); - colors[ImGuiCol_FrameBgHovered] = ImVec4(0.47f, 0.47f, 0.69f, 0.40f); - colors[ImGuiCol_FrameBgActive] = ImVec4(0.42f, 0.41f, 0.64f, 0.69f); - colors[ImGuiCol_TitleBg] = ImVec4(0.27f, 0.27f, 0.54f, 0.83f); - colors[ImGuiCol_TitleBgActive] = ImVec4(0.32f, 0.32f, 0.63f, 0.87f); - colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.40f, 0.80f, 0.20f); - colors[ImGuiCol_MenuBarBg] = ImVec4(0.40f, 0.40f, 0.55f, 0.80f); - colors[ImGuiCol_ScrollbarBg] = ImVec4(0.20f, 0.25f, 0.30f, 0.60f); - colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.40f, 0.80f, 0.30f); - colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.40f, 0.80f, 0.40f); - colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); - colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f); - colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f); - colors[ImGuiCol_SliderGrabActive] = ImVec4(0.41f, 0.39f, 0.80f, 0.60f); - colors[ImGuiCol_Button] = ImVec4(0.35f, 0.40f, 0.61f, 0.62f); - colors[ImGuiCol_ButtonHovered] = ImVec4(0.40f, 0.48f, 0.71f, 0.79f); - colors[ImGuiCol_ButtonActive] = ImVec4(0.46f, 0.54f, 0.80f, 1.00f); - colors[ImGuiCol_Header] = ImVec4(0.40f, 0.40f, 0.90f, 0.45f); - colors[ImGuiCol_HeaderHovered] = ImVec4(0.45f, 0.45f, 0.90f, 0.80f); - colors[ImGuiCol_HeaderActive] = ImVec4(0.53f, 0.53f, 0.87f, 0.80f); - colors[ImGuiCol_Separator] = ImVec4(0.50f, 0.50f, 0.50f, 0.60f); - colors[ImGuiCol_SeparatorHovered] = ImVec4(0.60f, 0.60f, 0.70f, 1.00f); - colors[ImGuiCol_SeparatorActive] = ImVec4(0.70f, 0.70f, 0.90f, 1.00f); - colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.10f); - colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.78f, 0.82f, 1.00f, 0.60f); - colors[ImGuiCol_ResizeGripActive] = ImVec4(0.78f, 0.82f, 1.00f, 0.90f); - colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.80f); - colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); - colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); - colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); - colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); - colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f); - colors[ImGuiCol_TableHeaderBg] = ImVec4(0.27f, 0.27f, 0.38f, 1.00f); - colors[ImGuiCol_TableBorderStrong] = ImVec4(0.31f, 0.31f, 0.45f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableBorderLight] = ImVec4(0.26f, 0.26f, 0.28f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_TableRowBgAlt] = ImVec4(1.00f, 1.00f, 1.00f, 0.07f); - colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f); - colors[ImGuiCol_DragDropTarget] = ImVec4(1.00f, 1.00f, 0.00f, 0.90f); - colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_NavWindowingHighlight] = ImVec4(1.00f, 1.00f, 1.00f, 0.70f); - colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.20f); - colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f); -} - -// Those light colors are better suited with a thicker font than the default one + FrameBorder -void ImGui::StyleColorsLight(ImGuiStyle* dst) -{ - ImGuiStyle* style = dst ? dst : &ImGui::GetStyle(); - ImVec4* colors = style->Colors; - - colors[ImGuiCol_Text] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f); - colors[ImGuiCol_TextDisabled] = ImVec4(0.60f, 0.60f, 0.60f, 1.00f); - colors[ImGuiCol_WindowBg] = ImVec4(0.94f, 0.94f, 0.94f, 1.00f); - colors[ImGuiCol_ChildBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_PopupBg] = ImVec4(1.00f, 1.00f, 1.00f, 0.98f); - colors[ImGuiCol_Border] = ImVec4(0.00f, 0.00f, 0.00f, 0.30f); - colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_FrameBg] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f); - colors[ImGuiCol_FrameBgHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_FrameBgActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_TitleBg] = ImVec4(0.96f, 0.96f, 0.96f, 1.00f); - colors[ImGuiCol_TitleBgActive] = ImVec4(0.82f, 0.82f, 0.82f, 1.00f); - colors[ImGuiCol_TitleBgCollapsed] = ImVec4(1.00f, 1.00f, 1.00f, 0.51f); - colors[ImGuiCol_MenuBarBg] = ImVec4(0.86f, 0.86f, 0.86f, 1.00f); - colors[ImGuiCol_ScrollbarBg] = ImVec4(0.98f, 0.98f, 0.98f, 0.53f); - colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.69f, 0.69f, 0.69f, 0.80f); - colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.49f, 0.49f, 0.49f, 0.80f); - colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(0.49f, 0.49f, 0.49f, 1.00f); - colors[ImGuiCol_CheckMark] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_SliderGrab] = ImVec4(0.26f, 0.59f, 0.98f, 0.78f); - colors[ImGuiCol_SliderGrabActive] = ImVec4(0.46f, 0.54f, 0.80f, 0.60f); - colors[ImGuiCol_Button] = ImVec4(0.26f, 0.59f, 0.98f, 0.40f); - colors[ImGuiCol_ButtonHovered] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_ButtonActive] = ImVec4(0.06f, 0.53f, 0.98f, 1.00f); - colors[ImGuiCol_Header] = ImVec4(0.26f, 0.59f, 0.98f, 0.31f); - colors[ImGuiCol_HeaderHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.80f); - colors[ImGuiCol_HeaderActive] = ImVec4(0.26f, 0.59f, 0.98f, 1.00f); - colors[ImGuiCol_Separator] = ImVec4(0.39f, 0.39f, 0.39f, 0.62f); - colors[ImGuiCol_SeparatorHovered] = ImVec4(0.14f, 0.44f, 0.80f, 0.78f); - colors[ImGuiCol_SeparatorActive] = ImVec4(0.14f, 0.44f, 0.80f, 1.00f); - colors[ImGuiCol_ResizeGrip] = ImVec4(0.35f, 0.35f, 0.35f, 0.17f); - colors[ImGuiCol_ResizeGripHovered] = ImVec4(0.26f, 0.59f, 0.98f, 0.67f); - colors[ImGuiCol_ResizeGripActive] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f); - colors[ImGuiCol_Tab] = ImLerp(colors[ImGuiCol_Header], colors[ImGuiCol_TitleBgActive], 0.90f); - colors[ImGuiCol_TabHovered] = colors[ImGuiCol_HeaderHovered]; - colors[ImGuiCol_TabActive] = ImLerp(colors[ImGuiCol_HeaderActive], colors[ImGuiCol_TitleBgActive], 0.60f); - colors[ImGuiCol_TabUnfocused] = ImLerp(colors[ImGuiCol_Tab], colors[ImGuiCol_TitleBg], 0.80f); - colors[ImGuiCol_TabUnfocusedActive] = ImLerp(colors[ImGuiCol_TabActive], colors[ImGuiCol_TitleBg], 0.40f); - colors[ImGuiCol_PlotLines] = ImVec4(0.39f, 0.39f, 0.39f, 1.00f); - colors[ImGuiCol_PlotLinesHovered] = ImVec4(1.00f, 0.43f, 0.35f, 1.00f); - colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f); - colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f); - colors[ImGuiCol_TableHeaderBg] = ImVec4(0.78f, 0.87f, 0.98f, 1.00f); - colors[ImGuiCol_TableBorderStrong] = ImVec4(0.57f, 0.57f, 0.64f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableBorderLight] = ImVec4(0.68f, 0.68f, 0.74f, 1.00f); // Prefer using Alpha=1.0 here - colors[ImGuiCol_TableRowBg] = ImVec4(0.00f, 0.00f, 0.00f, 0.00f); - colors[ImGuiCol_TableRowBgAlt] = ImVec4(0.30f, 0.30f, 0.30f, 0.09f); - 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); -} - -//----------------------------------------------------------------------------- -// [SECTION] ImDrawList -//----------------------------------------------------------------------------- - -ImDrawListSharedData::ImDrawListSharedData() -{ - memset(this, 0, sizeof(*this)); - for (int i = 0; i < IM_ARRAYSIZE(ArcFastVtx); i++) - { - const float a = ((float)i * 2 * IM_PI) / (float)IM_ARRAYSIZE(ArcFastVtx); - ArcFastVtx[i] = ImVec2(ImCos(a), ImSin(a)); - } - ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError); -} - -void ImDrawListSharedData::SetCircleTessellationMaxError(float max_error) -{ - if (CircleSegmentMaxError == max_error) - return; - - IM_ASSERT(max_error > 0.0f); - CircleSegmentMaxError = max_error; - for (int i = 0; i < IM_ARRAYSIZE(CircleSegmentCounts); i++) - { - const float radius = (float)i; - CircleSegmentCounts[i] = (ImU8)((i > 0) ? IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, CircleSegmentMaxError) : 0); - } - ArcFastRadiusCutoff = IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC_R(IM_DRAWLIST_ARCFAST_SAMPLE_MAX, CircleSegmentMaxError); -} - -// Initialize before use in a new frame. We always have a command ready in the buffer. -void ImDrawList::_ResetForNewFrame() -{ - // Verify that the ImDrawCmd fields we want to memcmp() are contiguous in memory. - IM_STATIC_ASSERT(IM_OFFSETOF(ImDrawCmd, ClipRect) == 0); - IM_STATIC_ASSERT(IM_OFFSETOF(ImDrawCmd, TextureId) == sizeof(ImVec4)); - IM_STATIC_ASSERT(IM_OFFSETOF(ImDrawCmd, VtxOffset) == sizeof(ImVec4) + sizeof(ImTextureID)); - - CmdBuffer.resize(0); - IdxBuffer.resize(0); - VtxBuffer.resize(0); - Flags = _Data->InitialFlags; - memset(&_CmdHeader, 0, sizeof(_CmdHeader)); - _VtxCurrentIdx = 0; - _VtxWritePtr = NULL; - _IdxWritePtr = NULL; - _ClipRectStack.resize(0); - _TextureIdStack.resize(0); - _Path.resize(0); - _Splitter.Clear(); - CmdBuffer.push_back(ImDrawCmd()); - _FringeScale = 1.0f; -} - -void ImDrawList::_ClearFreeMemory() -{ - CmdBuffer.clear(); - IdxBuffer.clear(); - VtxBuffer.clear(); - Flags = ImDrawListFlags_None; - _VtxCurrentIdx = 0; - _VtxWritePtr = NULL; - _IdxWritePtr = NULL; - _ClipRectStack.clear(); - _TextureIdStack.clear(); - _Path.clear(); - _Splitter.ClearFreeMemory(); -} - -ImDrawList* ImDrawList::CloneOutput() const -{ - ImDrawList* dst = IM_NEW(ImDrawList(_Data)); - dst->CmdBuffer = CmdBuffer; - dst->IdxBuffer = IdxBuffer; - dst->VtxBuffer = VtxBuffer; - dst->Flags = Flags; - return dst; -} - -void ImDrawList::AddDrawCmd() -{ - ImDrawCmd draw_cmd; - draw_cmd.ClipRect = _CmdHeader.ClipRect; // Same as calling ImDrawCmd_HeaderCopy() - draw_cmd.TextureId = _CmdHeader.TextureId; - draw_cmd.VtxOffset = _CmdHeader.VtxOffset; - draw_cmd.IdxOffset = IdxBuffer.Size; - - IM_ASSERT(draw_cmd.ClipRect.x <= draw_cmd.ClipRect.z && draw_cmd.ClipRect.y <= draw_cmd.ClipRect.w); - CmdBuffer.push_back(draw_cmd); -} - -// Pop trailing draw command (used before merging or presenting to user) -// Note that this leaves the ImDrawList in a state unfit for further commands, as most code assume that CmdBuffer.Size > 0 && CmdBuffer.back().UserCallback == NULL -void ImDrawList::_PopUnusedDrawCmd() -{ - if (CmdBuffer.Size == 0) - return; - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount == 0 && curr_cmd->UserCallback == NULL) - CmdBuffer.pop_back(); -} - -void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data) -{ - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - IM_ASSERT(curr_cmd->UserCallback == NULL); - if (curr_cmd->ElemCount != 0) - { - AddDrawCmd(); - curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - } - curr_cmd->UserCallback = callback; - curr_cmd->UserCallbackData = callback_data; - - AddDrawCmd(); // Force a new command after us (see comment below) -} - -// Compare ClipRect, TextureId and VtxOffset with a single memcmp() -#define ImDrawCmd_HeaderSize (IM_OFFSETOF(ImDrawCmd, VtxOffset) + sizeof(unsigned int)) -#define ImDrawCmd_HeaderCompare(CMD_LHS, CMD_RHS) (memcmp(CMD_LHS, CMD_RHS, ImDrawCmd_HeaderSize)) // Compare ClipRect, TextureId, VtxOffset -#define ImDrawCmd_HeaderCopy(CMD_DST, CMD_SRC) (memcpy(CMD_DST, CMD_SRC, ImDrawCmd_HeaderSize)) // Copy ClipRect, TextureId, VtxOffset -#define ImDrawCmd_AreSequentialIdxOffset(CMD_0, CMD_1) (CMD_0->IdxOffset + CMD_0->ElemCount == CMD_1->IdxOffset) - -// Try to merge two last draw commands -void ImDrawList::_TryMergeDrawCmds() -{ - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - ImDrawCmd* prev_cmd = curr_cmd - 1; - if (ImDrawCmd_HeaderCompare(curr_cmd, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && curr_cmd->UserCallback == NULL && prev_cmd->UserCallback == NULL) - { - prev_cmd->ElemCount += curr_cmd->ElemCount; - CmdBuffer.pop_back(); - } -} - -// Our scheme may appears a bit unusual, basically we want the most-common calls AddLine AddRect etc. to not have to perform any check so we always have a command ready in the stack. -// The cost of figuring out if a new command has to be added or if we can merge is paid in those Update** functions only. -void ImDrawList::_OnChangedClipRect() -{ - // If current command is used with different settings we need to add a new command - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount != 0 && memcmp(&curr_cmd->ClipRect, &_CmdHeader.ClipRect, sizeof(ImVec4)) != 0) - { - AddDrawCmd(); - return; - } - IM_ASSERT(curr_cmd->UserCallback == NULL); - - // Try to merge with previous command if it matches, else use current command - ImDrawCmd* prev_cmd = curr_cmd - 1; - if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL) - { - CmdBuffer.pop_back(); - return; - } - - curr_cmd->ClipRect = _CmdHeader.ClipRect; -} - -void ImDrawList::_OnChangedTextureID() -{ - // If current command is used with different settings we need to add a new command - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount != 0 && curr_cmd->TextureId != _CmdHeader.TextureId) - { - AddDrawCmd(); - return; - } - IM_ASSERT(curr_cmd->UserCallback == NULL); - - // Try to merge with previous command if it matches, else use current command - ImDrawCmd* prev_cmd = curr_cmd - 1; - if (curr_cmd->ElemCount == 0 && CmdBuffer.Size > 1 && ImDrawCmd_HeaderCompare(&_CmdHeader, prev_cmd) == 0 && ImDrawCmd_AreSequentialIdxOffset(prev_cmd, curr_cmd) && prev_cmd->UserCallback == NULL) - { - CmdBuffer.pop_back(); - return; - } - - curr_cmd->TextureId = _CmdHeader.TextureId; -} - -void ImDrawList::_OnChangedVtxOffset() -{ - // We don't need to compare curr_cmd->VtxOffset != _CmdHeader.VtxOffset because we know it'll be different at the time we call this. - _VtxCurrentIdx = 0; - IM_ASSERT_PARANOID(CmdBuffer.Size > 0); - ImDrawCmd* curr_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - //IM_ASSERT(curr_cmd->VtxOffset != _CmdHeader.VtxOffset); // See #3349 - if (curr_cmd->ElemCount != 0) - { - AddDrawCmd(); - return; - } - IM_ASSERT(curr_cmd->UserCallback == NULL); - curr_cmd->VtxOffset = _CmdHeader.VtxOffset; -} - -int ImDrawList::_CalcCircleAutoSegmentCount(float radius) const -{ - // Automatic segment count - const int radius_idx = (int)(radius + 0.999999f); // ceil to never reduce accuracy - if (radius_idx < IM_ARRAYSIZE(_Data->CircleSegmentCounts)) - return _Data->CircleSegmentCounts[radius_idx]; // Use cached value - else - return IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_CALC(radius, _Data->CircleSegmentMaxError); -} - -// Render-level scissoring. This is passed down to your render function but not used for CPU-side coarse clipping. Prefer using higher-level ImGui::PushClipRect() to affect logic (hit-testing and widget culling) -void ImDrawList::PushClipRect(ImVec2 cr_min, ImVec2 cr_max, bool intersect_with_current_clip_rect) -{ - ImVec4 cr(cr_min.x, cr_min.y, cr_max.x, cr_max.y); - if (intersect_with_current_clip_rect) - { - ImVec4 current = _CmdHeader.ClipRect; - if (cr.x < current.x) cr.x = current.x; - if (cr.y < current.y) cr.y = current.y; - if (cr.z > current.z) cr.z = current.z; - if (cr.w > current.w) cr.w = current.w; - } - cr.z = ImMax(cr.x, cr.z); - cr.w = ImMax(cr.y, cr.w); - - _ClipRectStack.push_back(cr); - _CmdHeader.ClipRect = cr; - _OnChangedClipRect(); -} - -void ImDrawList::PushClipRectFullScreen() -{ - PushClipRect(ImVec2(_Data->ClipRectFullscreen.x, _Data->ClipRectFullscreen.y), ImVec2(_Data->ClipRectFullscreen.z, _Data->ClipRectFullscreen.w)); -} - -void ImDrawList::PopClipRect() -{ - _ClipRectStack.pop_back(); - _CmdHeader.ClipRect = (_ClipRectStack.Size == 0) ? _Data->ClipRectFullscreen : _ClipRectStack.Data[_ClipRectStack.Size - 1]; - _OnChangedClipRect(); -} - -void ImDrawList::PushTextureID(ImTextureID texture_id) -{ - _TextureIdStack.push_back(texture_id); - _CmdHeader.TextureId = texture_id; - _OnChangedTextureID(); -} - -void ImDrawList::PopTextureID() -{ - _TextureIdStack.pop_back(); - _CmdHeader.TextureId = (_TextureIdStack.Size == 0) ? (ImTextureID)NULL : _TextureIdStack.Data[_TextureIdStack.Size - 1]; - _OnChangedTextureID(); -} - -// Reserve space for a number of vertices and indices. -// You must finish filling your reserved data before calling PrimReserve() again, as it may reallocate or -// submit the intermediate results. PrimUnreserve() can be used to release unused allocations. -void ImDrawList::PrimReserve(int idx_count, int vtx_count) -{ - // Large mesh support (when enabled) - IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); - if (sizeof(ImDrawIdx) == 2 && (_VtxCurrentIdx + vtx_count >= (1 << 16)) && (Flags & ImDrawListFlags_AllowVtxOffset)) - { - // FIXME: In theory we should be testing that vtx_count <64k here. - // In practice, RenderText() relies on reserving ahead for a worst case scenario so it is currently useful for us - // to not make that check until we rework the text functions to handle clipping and large horizontal lines better. - _CmdHeader.VtxOffset = VtxBuffer.Size; - _OnChangedVtxOffset(); - } - - ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - draw_cmd->ElemCount += idx_count; - - int vtx_buffer_old_size = VtxBuffer.Size; - VtxBuffer.resize(vtx_buffer_old_size + vtx_count); - _VtxWritePtr = VtxBuffer.Data + vtx_buffer_old_size; - - int idx_buffer_old_size = IdxBuffer.Size; - IdxBuffer.resize(idx_buffer_old_size + idx_count); - _IdxWritePtr = IdxBuffer.Data + idx_buffer_old_size; -} - -// Release the a number of reserved vertices/indices from the end of the last reservation made with PrimReserve(). -void ImDrawList::PrimUnreserve(int idx_count, int vtx_count) -{ - IM_ASSERT_PARANOID(idx_count >= 0 && vtx_count >= 0); - - ImDrawCmd* draw_cmd = &CmdBuffer.Data[CmdBuffer.Size - 1]; - draw_cmd->ElemCount -= idx_count; - VtxBuffer.shrink(VtxBuffer.Size - vtx_count); - IdxBuffer.shrink(IdxBuffer.Size - idx_count); -} - -// Fully unrolled with inline call to keep our debug builds decently fast. -void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col) -{ - ImVec2 b(c.x, a.y), d(a.x, c.y), uv(_Data->TexUvWhitePixel); - ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; - _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); - _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); - _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - _VtxCurrentIdx += 4; - _IdxWritePtr += 6; -} - -void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col) -{ - ImVec2 b(c.x, a.y), d(a.x, c.y), uv_b(uv_c.x, uv_a.y), uv_d(uv_a.x, uv_c.y); - ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; - _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); - _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); - _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - _VtxCurrentIdx += 4; - _IdxWritePtr += 6; -} - -void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, const ImVec2& uv_a, const ImVec2& uv_b, const ImVec2& uv_c, const ImVec2& uv_d, ImU32 col) -{ - ImDrawIdx idx = (ImDrawIdx)_VtxCurrentIdx; - _IdxWritePtr[0] = idx; _IdxWritePtr[1] = (ImDrawIdx)(idx+1); _IdxWritePtr[2] = (ImDrawIdx)(idx+2); - _IdxWritePtr[3] = idx; _IdxWritePtr[4] = (ImDrawIdx)(idx+2); _IdxWritePtr[5] = (ImDrawIdx)(idx+3); - _VtxWritePtr[0].pos = a; _VtxWritePtr[0].uv = uv_a; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos = b; _VtxWritePtr[1].uv = uv_b; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = c; _VtxWritePtr[2].uv = uv_c; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = d; _VtxWritePtr[3].uv = uv_d; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - _VtxCurrentIdx += 4; - _IdxWritePtr += 6; -} - -// On AddPolyline() and AddConvexPolyFilled() we intentionally avoid using ImVec2 and superfluous function calls to optimize debug/non-inlined builds. -// - Those macros expects l-values and need to be used as their own statement. -// - Those macros are intentionally not surrounded by the 'do {} while (0)' idiom because even that translates to runtime with debug compilers. -#define IM_NORMALIZE2F_OVER_ZERO(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = ImRsqrt(d2); VX *= inv_len; VY *= inv_len; } } (void)0 -#define IM_FIXNORMAL2F_MAX_INVLEN2 100.0f // 500.0f (see #4053, #3366) -#define IM_FIXNORMAL2F(VX,VY) { float d2 = VX*VX + VY*VY; if (d2 > 0.000001f) { float inv_len2 = 1.0f / d2; if (inv_len2 > IM_FIXNORMAL2F_MAX_INVLEN2) inv_len2 = IM_FIXNORMAL2F_MAX_INVLEN2; VX *= inv_len2; VY *= inv_len2; } } (void)0 - -// TODO: Thickness anti-aliased lines cap are missing their AA fringe. -// We avoid using the ImVec2 math operators here to reduce cost to a minimum for debug/non-inlined builds. -void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32 col, ImDrawFlags flags, float thickness) -{ - if (points_count < 2) - return; - - const bool closed = (flags & ImDrawFlags_Closed) != 0; - const ImVec2 opaque_uv = _Data->TexUvWhitePixel; - const int count = closed ? points_count : points_count - 1; // The number of line segments we need to draw - const bool thick_line = (thickness > _FringeScale); - - if (Flags & ImDrawListFlags_AntiAliasedLines) - { - // Anti-aliased stroke - const float AA_SIZE = _FringeScale; - const ImU32 col_trans = col & ~IM_COL32_A_MASK; - - // Thicknesses <1.0 should behave like thickness 1.0 - thickness = ImMax(thickness, 1.0f); - const int integer_thickness = (int)thickness; - const float fractional_thickness = thickness - integer_thickness; - - // Do we want to draw this line using a texture? - // - For now, only draw integer-width lines using textures to avoid issues with the way scaling occurs, could be improved. - // - If AA_SIZE is not 1.0f we cannot use the texture path. - const bool use_texture = (Flags & ImDrawListFlags_AntiAliasedLinesUseTex) && (integer_thickness < IM_DRAWLIST_TEX_LINES_WIDTH_MAX) && (fractional_thickness <= 0.00001f) && (AA_SIZE == 1.0f); - - // We should never hit this, because NewFrame() doesn't set ImDrawListFlags_AntiAliasedLinesUseTex unless ImFontAtlasFlags_NoBakedLines is off - IM_ASSERT_PARANOID(!use_texture || !(_Data->Font->ContainerAtlas->Flags & ImFontAtlasFlags_NoBakedLines)); - - const int idx_count = use_texture ? (count * 6) : (thick_line ? count * 18 : count * 12); - const int vtx_count = use_texture ? (points_count * 2) : (thick_line ? points_count * 4 : points_count * 3); - PrimReserve(idx_count, vtx_count); - - // Temporary buffer - // The first <points_count> items are normals at each line point, then after that there are either 2 or 4 temp points for each line point - ImVec2* temp_normals = (ImVec2*)alloca(points_count * ((use_texture || !thick_line) ? 3 : 5) * sizeof(ImVec2)); //-V630 - ImVec2* temp_points = temp_normals + points_count; - - // Calculate normals (tangents) for each line segment - for (int i1 = 0; i1 < count; i1++) - { - const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; - float dx = points[i2].x - points[i1].x; - float dy = points[i2].y - points[i1].y; - IM_NORMALIZE2F_OVER_ZERO(dx, dy); - temp_normals[i1].x = dy; - temp_normals[i1].y = -dx; - } - if (!closed) - temp_normals[points_count - 1] = temp_normals[points_count - 2]; - - // If we are drawing a one-pixel-wide line without a texture, or a textured line of any width, we only need 2 or 3 vertices per point - if (use_texture || !thick_line) - { - // [PATH 1] Texture-based lines (thick or non-thick) - // [PATH 2] Non texture-based lines (non-thick) - - // The width of the geometry we need to draw - this is essentially <thickness> pixels for the line itself, plus "one pixel" for AA. - // - In the texture-based path, we don't use AA_SIZE here because the +1 is tied to the generated texture - // (see ImFontAtlasBuildRenderLinesTexData() function), and so alternate values won't work without changes to that code. - // - In the non texture-based paths, we would allow AA_SIZE to potentially be != 1.0f with a patch (e.g. fringe_scale patch to - // allow scaling geometry while preserving one-screen-pixel AA fringe). - const float half_draw_size = use_texture ? ((thickness * 0.5f) + 1) : AA_SIZE; - - // If line is not closed, the first and last points need to be generated differently as there are no normals to blend - if (!closed) - { - temp_points[0] = points[0] + temp_normals[0] * half_draw_size; - temp_points[1] = points[0] - temp_normals[0] * half_draw_size; - temp_points[(points_count-1)*2+0] = points[points_count-1] + temp_normals[points_count-1] * half_draw_size; - temp_points[(points_count-1)*2+1] = points[points_count-1] - temp_normals[points_count-1] * half_draw_size; - } - - // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges - // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps) - // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. - unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment - for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment - { - const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; // i2 is the second point of the line segment - const unsigned int idx2 = ((i1 + 1) == points_count) ? _VtxCurrentIdx : (idx1 + (use_texture ? 2 : 3)); // Vertex index for end of segment - - // Average normals - float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; - float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; - IM_FIXNORMAL2F(dm_x, dm_y); - dm_x *= half_draw_size; // dm_x, dm_y are offset to the outer edge of the AA area - dm_y *= half_draw_size; - - // Add temporary vertexes for the outer edges - ImVec2* out_vtx = &temp_points[i2 * 2]; - out_vtx[0].x = points[i2].x + dm_x; - out_vtx[0].y = points[i2].y + dm_y; - out_vtx[1].x = points[i2].x - dm_x; - out_vtx[1].y = points[i2].y - dm_y; - - if (use_texture) - { - // Add indices for two triangles - _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 1); // Right tri - _IdxWritePtr[3] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[4] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Left tri - _IdxWritePtr += 6; - } - else - { - // Add indexes for four triangles - _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); // Right tri 1 - _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 0); // Right tri 2 - _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); // Left tri 1 - _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); // Left tri 2 - _IdxWritePtr += 12; - } - - idx1 = idx2; - } - - // Add vertexes for each point on the line - if (use_texture) - { - // If we're using textures we only need to emit the left/right edge vertices - ImVec4 tex_uvs = _Data->TexUvLines[integer_thickness]; - /*if (fractional_thickness != 0.0f) // Currently always zero when use_texture==false! - { - const ImVec4 tex_uvs_1 = _Data->TexUvLines[integer_thickness + 1]; - tex_uvs.x = tex_uvs.x + (tex_uvs_1.x - tex_uvs.x) * fractional_thickness; // inlined ImLerp() - tex_uvs.y = tex_uvs.y + (tex_uvs_1.y - tex_uvs.y) * fractional_thickness; - tex_uvs.z = tex_uvs.z + (tex_uvs_1.z - tex_uvs.z) * fractional_thickness; - tex_uvs.w = tex_uvs.w + (tex_uvs_1.w - tex_uvs.w) * fractional_thickness; - }*/ - ImVec2 tex_uv0(tex_uvs.x, tex_uvs.y); - ImVec2 tex_uv1(tex_uvs.z, tex_uvs.w); - for (int i = 0; i < points_count; i++) - { - _VtxWritePtr[0].pos = temp_points[i * 2 + 0]; _VtxWritePtr[0].uv = tex_uv0; _VtxWritePtr[0].col = col; // Left-side outer edge - _VtxWritePtr[1].pos = temp_points[i * 2 + 1]; _VtxWritePtr[1].uv = tex_uv1; _VtxWritePtr[1].col = col; // Right-side outer edge - _VtxWritePtr += 2; - } - } - else - { - // If we're not using a texture, we need the center vertex as well - for (int i = 0; i < points_count; i++) - { - _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; // Center of line - _VtxWritePtr[1].pos = temp_points[i * 2 + 0]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col_trans; // Left-side outer edge - _VtxWritePtr[2].pos = temp_points[i * 2 + 1]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col_trans; // Right-side outer edge - _VtxWritePtr += 3; - } - } - } - else - { - // [PATH 2] Non texture-based lines (thick): we need to draw the solid line core and thus require four vertices per point - const float half_inner_thickness = (thickness - AA_SIZE) * 0.5f; - - // If line is not closed, the first and last points need to be generated differently as there are no normals to blend - if (!closed) - { - const int points_last = points_count - 1; - temp_points[0] = points[0] + temp_normals[0] * (half_inner_thickness + AA_SIZE); - temp_points[1] = points[0] + temp_normals[0] * (half_inner_thickness); - temp_points[2] = points[0] - temp_normals[0] * (half_inner_thickness); - temp_points[3] = points[0] - temp_normals[0] * (half_inner_thickness + AA_SIZE); - temp_points[points_last * 4 + 0] = points[points_last] + temp_normals[points_last] * (half_inner_thickness + AA_SIZE); - temp_points[points_last * 4 + 1] = points[points_last] + temp_normals[points_last] * (half_inner_thickness); - temp_points[points_last * 4 + 2] = points[points_last] - temp_normals[points_last] * (half_inner_thickness); - temp_points[points_last * 4 + 3] = points[points_last] - temp_normals[points_last] * (half_inner_thickness + AA_SIZE); - } - - // Generate the indices to form a number of triangles for each line segment, and the vertices for the line edges - // This takes points n and n+1 and writes into n+1, with the first point in a closed line being generated from the final one (as n+1 wraps) - // FIXME-OPT: Merge the different loops, possibly remove the temporary buffer. - unsigned int idx1 = _VtxCurrentIdx; // Vertex index for start of line segment - for (int i1 = 0; i1 < count; i1++) // i1 is the first point of the line segment - { - const int i2 = (i1 + 1) == points_count ? 0 : (i1 + 1); // i2 is the second point of the line segment - const unsigned int idx2 = (i1 + 1) == points_count ? _VtxCurrentIdx : (idx1 + 4); // Vertex index for end of segment - - // Average normals - float dm_x = (temp_normals[i1].x + temp_normals[i2].x) * 0.5f; - float dm_y = (temp_normals[i1].y + temp_normals[i2].y) * 0.5f; - IM_FIXNORMAL2F(dm_x, dm_y); - float dm_out_x = dm_x * (half_inner_thickness + AA_SIZE); - float dm_out_y = dm_y * (half_inner_thickness + AA_SIZE); - float dm_in_x = dm_x * half_inner_thickness; - float dm_in_y = dm_y * half_inner_thickness; - - // Add temporary vertices - ImVec2* out_vtx = &temp_points[i2 * 4]; - out_vtx[0].x = points[i2].x + dm_out_x; - out_vtx[0].y = points[i2].y + dm_out_y; - out_vtx[1].x = points[i2].x + dm_in_x; - out_vtx[1].y = points[i2].y + dm_in_y; - out_vtx[2].x = points[i2].x - dm_in_x; - out_vtx[2].y = points[i2].y - dm_in_y; - out_vtx[3].x = points[i2].x - dm_out_x; - out_vtx[3].y = points[i2].y - dm_out_y; - - // Add indexes - _IdxWritePtr[0] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[1] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[2] = (ImDrawIdx)(idx1 + 2); - _IdxWritePtr[3] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[4] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[5] = (ImDrawIdx)(idx2 + 1); - _IdxWritePtr[6] = (ImDrawIdx)(idx2 + 1); _IdxWritePtr[7] = (ImDrawIdx)(idx1 + 1); _IdxWritePtr[8] = (ImDrawIdx)(idx1 + 0); - _IdxWritePtr[9] = (ImDrawIdx)(idx1 + 0); _IdxWritePtr[10] = (ImDrawIdx)(idx2 + 0); _IdxWritePtr[11] = (ImDrawIdx)(idx2 + 1); - _IdxWritePtr[12] = (ImDrawIdx)(idx2 + 2); _IdxWritePtr[13] = (ImDrawIdx)(idx1 + 2); _IdxWritePtr[14] = (ImDrawIdx)(idx1 + 3); - _IdxWritePtr[15] = (ImDrawIdx)(idx1 + 3); _IdxWritePtr[16] = (ImDrawIdx)(idx2 + 3); _IdxWritePtr[17] = (ImDrawIdx)(idx2 + 2); - _IdxWritePtr += 18; - - idx1 = idx2; - } - - // Add vertices - for (int i = 0; i < points_count; i++) - { - _VtxWritePtr[0].pos = temp_points[i * 4 + 0]; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col_trans; - _VtxWritePtr[1].pos = temp_points[i * 4 + 1]; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos = temp_points[i * 4 + 2]; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos = temp_points[i * 4 + 3]; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col_trans; - _VtxWritePtr += 4; - } - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } - else - { - // [PATH 4] Non texture-based, Non anti-aliased lines - const int idx_count = count * 6; - const int vtx_count = count * 4; // FIXME-OPT: Not sharing edges - PrimReserve(idx_count, vtx_count); - - for (int i1 = 0; i1 < count; i1++) - { - const int i2 = (i1 + 1) == points_count ? 0 : i1 + 1; - const ImVec2& p1 = points[i1]; - const ImVec2& p2 = points[i2]; - - float dx = p2.x - p1.x; - float dy = p2.y - p1.y; - IM_NORMALIZE2F_OVER_ZERO(dx, dy); - dx *= (thickness * 0.5f); - dy *= (thickness * 0.5f); - - _VtxWritePtr[0].pos.x = p1.x + dy; _VtxWritePtr[0].pos.y = p1.y - dx; _VtxWritePtr[0].uv = opaque_uv; _VtxWritePtr[0].col = col; - _VtxWritePtr[1].pos.x = p2.x + dy; _VtxWritePtr[1].pos.y = p2.y - dx; _VtxWritePtr[1].uv = opaque_uv; _VtxWritePtr[1].col = col; - _VtxWritePtr[2].pos.x = p2.x - dy; _VtxWritePtr[2].pos.y = p2.y + dx; _VtxWritePtr[2].uv = opaque_uv; _VtxWritePtr[2].col = col; - _VtxWritePtr[3].pos.x = p1.x - dy; _VtxWritePtr[3].pos.y = p1.y + dx; _VtxWritePtr[3].uv = opaque_uv; _VtxWritePtr[3].col = col; - _VtxWritePtr += 4; - - _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + 2); - _IdxWritePtr[3] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[4] = (ImDrawIdx)(_VtxCurrentIdx + 2); _IdxWritePtr[5] = (ImDrawIdx)(_VtxCurrentIdx + 3); - _IdxWritePtr += 6; - _VtxCurrentIdx += 4; - } - } -} - -// We intentionally avoid using ImVec2 and its math operators here to reduce cost to a minimum for debug/non-inlined builds. -void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_count, ImU32 col) -{ - if (points_count < 3) - return; - - const ImVec2 uv = _Data->TexUvWhitePixel; - - if (Flags & ImDrawListFlags_AntiAliasedFill) - { - // Anti-aliased Fill - const float AA_SIZE = _FringeScale; - const ImU32 col_trans = col & ~IM_COL32_A_MASK; - const int idx_count = (points_count - 2)*3 + points_count * 6; - const int vtx_count = (points_count * 2); - PrimReserve(idx_count, vtx_count); - - // Add indexes for fill - unsigned int vtx_inner_idx = _VtxCurrentIdx; - unsigned int vtx_outer_idx = _VtxCurrentIdx + 1; - for (int i = 2; i < points_count; i++) - { - _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + ((i - 1) << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_inner_idx + (i << 1)); - _IdxWritePtr += 3; - } - - // Compute normals - ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630 - for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) - { - const ImVec2& p0 = points[i0]; - const ImVec2& p1 = points[i1]; - float dx = p1.x - p0.x; - float dy = p1.y - p0.y; - IM_NORMALIZE2F_OVER_ZERO(dx, dy); - temp_normals[i0].x = dy; - temp_normals[i0].y = -dx; - } - - for (int i0 = points_count - 1, i1 = 0; i1 < points_count; i0 = i1++) - { - // Average normals - const ImVec2& n0 = temp_normals[i0]; - const ImVec2& n1 = temp_normals[i1]; - float dm_x = (n0.x + n1.x) * 0.5f; - float dm_y = (n0.y + n1.y) * 0.5f; - IM_FIXNORMAL2F(dm_x, dm_y); - dm_x *= AA_SIZE * 0.5f; - dm_y *= AA_SIZE * 0.5f; - - // Add vertices - _VtxWritePtr[0].pos.x = (points[i1].x - dm_x); _VtxWritePtr[0].pos.y = (points[i1].y - dm_y); _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; // Inner - _VtxWritePtr[1].pos.x = (points[i1].x + dm_x); _VtxWritePtr[1].pos.y = (points[i1].y + dm_y); _VtxWritePtr[1].uv = uv; _VtxWritePtr[1].col = col_trans; // Outer - _VtxWritePtr += 2; - - // Add indexes for fringes - _IdxWritePtr[0] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); _IdxWritePtr[1] = (ImDrawIdx)(vtx_inner_idx + (i0 << 1)); _IdxWritePtr[2] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); - _IdxWritePtr[3] = (ImDrawIdx)(vtx_outer_idx + (i0 << 1)); _IdxWritePtr[4] = (ImDrawIdx)(vtx_outer_idx + (i1 << 1)); _IdxWritePtr[5] = (ImDrawIdx)(vtx_inner_idx + (i1 << 1)); - _IdxWritePtr += 6; - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } - else - { - // Non Anti-aliased Fill - const int idx_count = (points_count - 2)*3; - const int vtx_count = points_count; - PrimReserve(idx_count, vtx_count); - for (int i = 0; i < vtx_count; i++) - { - _VtxWritePtr[0].pos = points[i]; _VtxWritePtr[0].uv = uv; _VtxWritePtr[0].col = col; - _VtxWritePtr++; - } - for (int i = 2; i < points_count; i++) - { - _IdxWritePtr[0] = (ImDrawIdx)(_VtxCurrentIdx); _IdxWritePtr[1] = (ImDrawIdx)(_VtxCurrentIdx + i - 1); _IdxWritePtr[2] = (ImDrawIdx)(_VtxCurrentIdx + i); - _IdxWritePtr += 3; - } - _VtxCurrentIdx += (ImDrawIdx)vtx_count; - } -} - -void ImDrawList::_PathArcToFastEx(const ImVec2& center, float radius, int a_min_sample, int a_max_sample, int a_step) -{ - if (radius <= 0.0f) - { - _Path.push_back(center); - return; - } - - // Calculate arc auto segment step size - if (a_step <= 0) - a_step = IM_DRAWLIST_ARCFAST_SAMPLE_MAX / _CalcCircleAutoSegmentCount(radius); - - // Make sure we never do steps larger than one quarter of the circle - a_step = ImClamp(a_step, 1, IM_DRAWLIST_ARCFAST_TABLE_SIZE / 4); - - const int sample_range = ImAbs(a_max_sample - a_min_sample); - const int a_next_step = a_step; - - int samples = sample_range + 1; - bool extra_max_sample = false; - if (a_step > 1) - { - samples = sample_range / a_step + 1; - const int overstep = sample_range % a_step; - - if (overstep > 0) - { - extra_max_sample = true; - samples++; - - // When we have overstep to avoid awkwardly looking one long line and one tiny one at the end, - // distribute first step range evenly between them by reducing first step size. - if (sample_range > 0) - a_step -= (a_step - overstep) / 2; - } - } - - _Path.resize(_Path.Size + samples); - ImVec2* out_ptr = _Path.Data + (_Path.Size - samples); - - int sample_index = a_min_sample; - if (sample_index < 0 || sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX) - { - sample_index = sample_index % IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - if (sample_index < 0) - sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - } - - if (a_max_sample >= a_min_sample) - { - for (int a = a_min_sample; a <= a_max_sample; a += a_step, sample_index += a_step, a_step = a_next_step) - { - // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more - if (sample_index >= IM_DRAWLIST_ARCFAST_SAMPLE_MAX) - sample_index -= IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - - const ImVec2 s = _Data->ArcFastVtx[sample_index]; - out_ptr->x = center.x + s.x * radius; - out_ptr->y = center.y + s.y * radius; - out_ptr++; - } - } - else - { - for (int a = a_min_sample; a >= a_max_sample; a -= a_step, sample_index -= a_step, a_step = a_next_step) - { - // a_step is clamped to IM_DRAWLIST_ARCFAST_SAMPLE_MAX, so we have guaranteed that it will not wrap over range twice or more - if (sample_index < 0) - sample_index += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - - const ImVec2 s = _Data->ArcFastVtx[sample_index]; - out_ptr->x = center.x + s.x * radius; - out_ptr->y = center.y + s.y * radius; - out_ptr++; - } - } - - if (extra_max_sample) - { - int normalized_max_sample = a_max_sample % IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - if (normalized_max_sample < 0) - normalized_max_sample += IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - - const ImVec2 s = _Data->ArcFastVtx[normalized_max_sample]; - out_ptr->x = center.x + s.x * radius; - out_ptr->y = center.y + s.y * radius; - out_ptr++; - } - - IM_ASSERT_PARANOID(_Path.Data + _Path.Size == out_ptr); -} - -void ImDrawList::_PathArcToN(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) -{ - if (radius <= 0.0f) - { - _Path.push_back(center); - return; - } - - // Note that we are adding a point at both a_min and a_max. - // If you are trying to draw a full closed circle you don't want the overlapping points! - _Path.reserve(_Path.Size + (num_segments + 1)); - for (int i = 0; i <= num_segments; i++) - { - const float a = a_min + ((float)i / (float)num_segments) * (a_max - a_min); - _Path.push_back(ImVec2(center.x + ImCos(a) * radius, center.y + ImSin(a) * radius)); - } -} - -// 0: East, 3: South, 6: West, 9: North, 12: East -void ImDrawList::PathArcToFast(const ImVec2& center, float radius, int a_min_of_12, int a_max_of_12) -{ - if (radius <= 0.0f) - { - _Path.push_back(center); - return; - } - _PathArcToFastEx(center, radius, a_min_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, a_max_of_12 * IM_DRAWLIST_ARCFAST_SAMPLE_MAX / 12, 0); -} - -void ImDrawList::PathArcTo(const ImVec2& center, float radius, float a_min, float a_max, int num_segments) -{ - if (radius <= 0.0f) - { - _Path.push_back(center); - return; - } - - if (num_segments > 0) - { - _PathArcToN(center, radius, a_min, a_max, num_segments); - return; - } - - // Automatic segment count - if (radius <= _Data->ArcFastRadiusCutoff) - { - const bool a_is_reverse = a_max < a_min; - - // We are going to use precomputed values for mid samples. - // Determine first and last sample in lookup table that belong to the arc. - const float a_min_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_min / (IM_PI * 2.0f); - const float a_max_sample_f = IM_DRAWLIST_ARCFAST_SAMPLE_MAX * a_max / (IM_PI * 2.0f); - - const int a_min_sample = a_is_reverse ? (int)ImFloorSigned(a_min_sample_f) : (int)ImCeil(a_min_sample_f); - const int a_max_sample = a_is_reverse ? (int)ImCeil(a_max_sample_f) : (int)ImFloorSigned(a_max_sample_f); - const int a_mid_samples = a_is_reverse ? ImMax(a_min_sample - a_max_sample, 0) : ImMax(a_max_sample - a_min_sample, 0); - - const float a_min_segment_angle = a_min_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - const float a_max_segment_angle = a_max_sample * IM_PI * 2.0f / IM_DRAWLIST_ARCFAST_SAMPLE_MAX; - const bool a_emit_start = ImAbs(a_min_segment_angle - a_min) >= 1e-5f; - const bool a_emit_end = ImAbs(a_max - a_max_segment_angle) >= 1e-5f; - - _Path.reserve(_Path.Size + (a_mid_samples + 1 + (a_emit_start ? 1 : 0) + (a_emit_end ? 1 : 0))); - if (a_emit_start) - _Path.push_back(ImVec2(center.x + ImCos(a_min) * radius, center.y + ImSin(a_min) * radius)); - if (a_mid_samples > 0) - _PathArcToFastEx(center, radius, a_min_sample, a_max_sample, 0); - if (a_emit_end) - _Path.push_back(ImVec2(center.x + ImCos(a_max) * radius, center.y + ImSin(a_max) * radius)); - } - else - { - const float arc_length = ImAbs(a_max - a_min); - const int circle_segment_count = _CalcCircleAutoSegmentCount(radius); - const int arc_segment_count = ImMax((int)ImCeil(circle_segment_count * arc_length / (IM_PI * 2.0f)), (int)(2.0f * IM_PI / arc_length)); - _PathArcToN(center, radius, a_min, a_max, arc_segment_count); - } -} - -ImVec2 ImBezierCubicCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, float t) -{ - float u = 1.0f - t; - float w1 = u * u * u; - float w2 = 3 * u * u * t; - float w3 = 3 * u * t * t; - float w4 = t * t * t; - return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x, w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y); -} - -ImVec2 ImBezierQuadraticCalc(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, float t) -{ - float u = 1.0f - t; - float w1 = u * u; - float w2 = 2 * u * t; - float w3 = t * t; - return ImVec2(w1 * p1.x + w2 * p2.x + w3 * p3.x, w1 * p1.y + w2 * p2.y + w3 * p3.y); -} - -// Closely mimics ImBezierCubicClosestPointCasteljau() in imgui.cpp -static void PathBezierCubicCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float tess_tol, int level) -{ - 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; - PathBezierCubicCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, x1234, y1234, tess_tol, level + 1); - PathBezierCubicCurveToCasteljau(path, x1234, y1234, x234, y234, x34, y34, x4, y4, tess_tol, level + 1); - } -} - -static void PathBezierQuadraticCurveToCasteljau(ImVector<ImVec2>* path, float x1, float y1, float x2, float y2, float x3, float y3, float tess_tol, int level) -{ - float dx = x3 - x1, dy = y3 - y1; - float det = (x2 - x3) * dy - (y2 - y3) * dx; - if (det * det * 4.0f < tess_tol * (dx * dx + dy * dy)) - { - path->push_back(ImVec2(x3, y3)); - } - 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 x123 = (x12 + x23) * 0.5f, y123 = (y12 + y23) * 0.5f; - PathBezierQuadraticCurveToCasteljau(path, x1, y1, x12, y12, x123, y123, tess_tol, level + 1); - PathBezierQuadraticCurveToCasteljau(path, x123, y123, x23, y23, x3, y3, tess_tol, level + 1); - } -} - -void ImDrawList::PathBezierCubicCurveTo(const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, int num_segments) -{ - ImVec2 p1 = _Path.back(); - if (num_segments == 0) - { - PathBezierCubicCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y, _Data->CurveTessellationTol, 0); // Auto-tessellated - } - else - { - float t_step = 1.0f / (float)num_segments; - for (int i_step = 1; i_step <= num_segments; i_step++) - _Path.push_back(ImBezierCubicCalc(p1, p2, p3, p4, t_step * i_step)); - } -} - -void ImDrawList::PathBezierQuadraticCurveTo(const ImVec2& p2, const ImVec2& p3, int num_segments) -{ - ImVec2 p1 = _Path.back(); - if (num_segments == 0) - { - PathBezierQuadraticCurveToCasteljau(&_Path, p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, _Data->CurveTessellationTol, 0);// Auto-tessellated - } - else - { - float t_step = 1.0f / (float)num_segments; - for (int i_step = 1; i_step <= num_segments; i_step++) - _Path.push_back(ImBezierQuadraticCalc(p1, p2, p3, t_step * i_step)); - } -} - -IM_STATIC_ASSERT(ImDrawFlags_RoundCornersTopLeft == (1 << 4)); -static inline ImDrawFlags FixRectCornerFlags(ImDrawFlags flags) -{ -#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS - // Legacy Support for hard coded ~0 (used to be a suggested equivalent to ImDrawCornerFlags_All) - // ~0 --> ImDrawFlags_RoundCornersAll or 0 - if (flags == ~0) - return ImDrawFlags_RoundCornersAll; - - // Legacy Support for hard coded 0x01 to 0x0F (matching 15 out of 16 old flags combinations) - // 0x01 --> ImDrawFlags_RoundCornersTopLeft (VALUE 0x01 OVERLAPS ImDrawFlags_Closed but ImDrawFlags_Closed is never valid in this path!) - // 0x02 --> ImDrawFlags_RoundCornersTopRight - // 0x03 --> ImDrawFlags_RoundCornersTopLeft | ImDrawFlags_RoundCornersTopRight - // 0x04 --> ImDrawFlags_RoundCornersBotLeft - // 0x05 --> ImDrawFlags_RoundCornersTopLeft | ImDrawFlags_RoundCornersBotLeft - // ... - // 0x0F --> ImDrawFlags_RoundCornersAll or 0 - // (See all values in ImDrawCornerFlags_) - if (flags >= 0x01 && flags <= 0x0F) - return (flags << 4); - - // We cannot support hard coded 0x00 with 'float rounding > 0.0f' --> replace with ImDrawFlags_RoundCornersNone or use 'float rounding = 0.0f' -#endif - - // If this triggers, please update your code replacing hardcoded values with new ImDrawFlags_RoundCorners* values. - // Note that ImDrawFlags_Closed (== 0x01) is an invalid flag for AddRect(), AddRectFilled(), PathRect() etc... - IM_ASSERT((flags & 0x0F) == 0 && "Misuse of legacy hardcoded ImDrawCornerFlags values!"); - - if ((flags & ImDrawFlags_RoundCornersMask_) == 0) - flags |= ImDrawFlags_RoundCornersAll; - - return flags; -} - -void ImDrawList::PathRect(const ImVec2& a, const ImVec2& b, float rounding, ImDrawFlags flags) -{ - flags = FixRectCornerFlags(flags); - rounding = ImMin(rounding, ImFabs(b.x - a.x) * ( ((flags & ImDrawFlags_RoundCornersTop) == ImDrawFlags_RoundCornersTop) || ((flags & ImDrawFlags_RoundCornersBottom) == ImDrawFlags_RoundCornersBottom) ? 0.5f : 1.0f ) - 1.0f); - rounding = ImMin(rounding, ImFabs(b.y - a.y) * ( ((flags & ImDrawFlags_RoundCornersLeft) == ImDrawFlags_RoundCornersLeft) || ((flags & ImDrawFlags_RoundCornersRight) == ImDrawFlags_RoundCornersRight) ? 0.5f : 1.0f ) - 1.0f); - - if (rounding <= 0.0f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) - { - PathLineTo(a); - PathLineTo(ImVec2(b.x, a.y)); - PathLineTo(b); - PathLineTo(ImVec2(a.x, b.y)); - } - else - { - const float rounding_tl = (flags & ImDrawFlags_RoundCornersTopLeft) ? rounding : 0.0f; - const float rounding_tr = (flags & ImDrawFlags_RoundCornersTopRight) ? rounding : 0.0f; - const float rounding_br = (flags & ImDrawFlags_RoundCornersBottomRight) ? rounding : 0.0f; - const float rounding_bl = (flags & ImDrawFlags_RoundCornersBottomLeft) ? rounding : 0.0f; - PathArcToFast(ImVec2(a.x + rounding_tl, a.y + rounding_tl), rounding_tl, 6, 9); - PathArcToFast(ImVec2(b.x - rounding_tr, a.y + rounding_tr), rounding_tr, 9, 12); - PathArcToFast(ImVec2(b.x - rounding_br, b.y - rounding_br), rounding_br, 0, 3); - PathArcToFast(ImVec2(a.x + rounding_bl, b.y - rounding_bl), rounding_bl, 3, 6); - } -} - -void ImDrawList::AddLine(const ImVec2& p1, const ImVec2& p2, ImU32 col, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - PathLineTo(p1 + ImVec2(0.5f, 0.5f)); - PathLineTo(p2 + ImVec2(0.5f, 0.5f)); - PathStroke(col, 0, thickness); -} - -// p_min = upper-left, p_max = lower-right -// Note we don't render 1 pixels sized rectangles properly. -void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - if (Flags & ImDrawListFlags_AntiAliasedLines) - PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.50f, 0.50f), rounding, flags); - else - PathRect(p_min + ImVec2(0.50f, 0.50f), p_max - ImVec2(0.49f, 0.49f), rounding, flags); // Better looking lower-right corner and rounded non-AA shapes. - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddRectFilled(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, float rounding, ImDrawFlags flags) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - if (rounding <= 0.0f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) - { - PrimReserve(6, 4); - PrimRect(p_min, p_max, col); - } - else - { - PathRect(p_min, p_max, rounding, flags); - PathFillConvex(col); - } -} - -// p_min = upper-left, p_max = lower-right -void ImDrawList::AddRectFilledMultiColor(const ImVec2& p_min, const ImVec2& p_max, ImU32 col_upr_left, ImU32 col_upr_right, ImU32 col_bot_right, ImU32 col_bot_left) -{ - if (((col_upr_left | col_upr_right | col_bot_right | col_bot_left) & IM_COL32_A_MASK) == 0) - return; - - const ImVec2 uv = _Data->TexUvWhitePixel; - PrimReserve(6, 4); - PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 1)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); - PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 2)); PrimWriteIdx((ImDrawIdx)(_VtxCurrentIdx + 3)); - PrimWriteVtx(p_min, uv, col_upr_left); - PrimWriteVtx(ImVec2(p_max.x, p_min.y), uv, col_upr_right); - PrimWriteVtx(p_max, uv, col_bot_right); - PrimWriteVtx(ImVec2(p_min.x, p_max.y), uv, col_bot_left); -} - -void ImDrawList::AddQuad(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathLineTo(p4); - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddQuadFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathLineTo(p4); - PathFillConvex(col); -} - -void ImDrawList::AddTriangle(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddTriangleFilled(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathLineTo(p2); - PathLineTo(p3); - PathFillConvex(col); -} - -void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) - return; - - if (num_segments <= 0) - { - // Use arc with automatic segment count - _PathArcToFastEx(center, radius - 0.5f, 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, 0); - _Path.Size--; - } - else - { - // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) - num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); - } - - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -void ImDrawList::AddCircleFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0 || radius <= 0.0f) - return; - - if (num_segments <= 0) - { - // Use arc with automatic segment count - _PathArcToFastEx(center, radius, 0, IM_DRAWLIST_ARCFAST_SAMPLE_MAX, 0); - _Path.Size--; - } - else - { - // Explicit segment count (still clamp to avoid drawing insanely tessellated shapes) - num_segments = ImClamp(num_segments, 3, IM_DRAWLIST_CIRCLE_AUTO_SEGMENT_MAX); - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); - } - - PathFillConvex(col); -} - -// Guaranteed to honor 'num_segments' -void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_segments, float thickness) -{ - if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) - return; - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius - 0.5f, 0.0f, a_max, num_segments - 1); - PathStroke(col, ImDrawFlags_Closed, thickness); -} - -// Guaranteed to honor 'num_segments' -void ImDrawList::AddNgonFilled(const ImVec2& center, float radius, ImU32 col, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0 || num_segments <= 2) - return; - - // Because we are filling a closed shape we remove 1 from the count of segments/points - const float a_max = (IM_PI * 2.0f) * ((float)num_segments - 1.0f) / (float)num_segments; - PathArcTo(center, radius, 0.0f, a_max, num_segments - 1); - PathFillConvex(col); -} - -// Cubic Bezier takes 4 controls points -void ImDrawList::AddBezierCubic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, ImU32 col, float thickness, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathBezierCubicCurveTo(p2, p3, p4, num_segments); - PathStroke(col, 0, thickness); -} - -// Quadratic Bezier takes 3 controls points -void ImDrawList::AddBezierQuadratic(const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, ImU32 col, float thickness, int num_segments) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - PathLineTo(p1); - PathBezierQuadraticCurveTo(p2, p3, num_segments); - PathStroke(col, 0, thickness); -} - -void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end, float wrap_width, const ImVec4* cpu_fine_clip_rect) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - if (text_end == NULL) - text_end = text_begin + strlen(text_begin); - if (text_begin == text_end) - return; - - // Pull default font/size from the shared ImDrawListSharedData instance - if (font == NULL) - font = _Data->Font; - if (font_size == 0.0f) - font_size = _Data->FontSize; - - IM_ASSERT(font->ContainerAtlas->TexID == _CmdHeader.TextureId); // Use high-level ImGui::PushFont() or low-level ImDrawList::PushTextureId() to change font. - - ImVec4 clip_rect = _CmdHeader.ClipRect; - if (cpu_fine_clip_rect) - { - clip_rect.x = ImMax(clip_rect.x, cpu_fine_clip_rect->x); - clip_rect.y = ImMax(clip_rect.y, cpu_fine_clip_rect->y); - clip_rect.z = ImMin(clip_rect.z, cpu_fine_clip_rect->z); - clip_rect.w = ImMin(clip_rect.w, cpu_fine_clip_rect->w); - } - font->RenderText(this, font_size, pos, col, clip_rect, text_begin, text_end, wrap_width, cpu_fine_clip_rect != NULL); -} - -void ImDrawList::AddText(const ImVec2& pos, ImU32 col, const char* text_begin, const char* text_end) -{ - AddText(NULL, 0.0f, pos, col, text_begin, text_end); -} - -void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; - if (push_texture_id) - PushTextureID(user_texture_id); - - PrimReserve(6, 4); - PrimRectUV(p_min, p_max, uv_min, uv_max, col); - - if (push_texture_id) - PopTextureID(); -} - -void ImDrawList::AddImageQuad(ImTextureID user_texture_id, const ImVec2& p1, const ImVec2& p2, const ImVec2& p3, const ImVec2& p4, const ImVec2& uv1, const ImVec2& uv2, const ImVec2& uv3, const ImVec2& uv4, ImU32 col) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; - if (push_texture_id) - PushTextureID(user_texture_id); - - PrimReserve(6, 4); - PrimQuadUV(p1, p2, p3, p4, uv1, uv2, uv3, uv4, col); - - if (push_texture_id) - PopTextureID(); -} - -void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& p_min, const ImVec2& p_max, const ImVec2& uv_min, const ImVec2& uv_max, ImU32 col, float rounding, ImDrawFlags flags) -{ - if ((col & IM_COL32_A_MASK) == 0) - return; - - flags = FixRectCornerFlags(flags); - if (rounding <= 0.0f || (flags & ImDrawFlags_RoundCornersMask_) == ImDrawFlags_RoundCornersNone) - { - AddImage(user_texture_id, p_min, p_max, uv_min, uv_max, col); - return; - } - - const bool push_texture_id = user_texture_id != _CmdHeader.TextureId; - if (push_texture_id) - PushTextureID(user_texture_id); - - int vert_start_idx = VtxBuffer.Size; - PathRect(p_min, p_max, rounding, flags); - PathFillConvex(col); - int vert_end_idx = VtxBuffer.Size; - ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, p_min, p_max, uv_min, uv_max, true); - - if (push_texture_id) - PopTextureID(); -} - - -//----------------------------------------------------------------------------- -// [SECTION] ImDrawListSplitter -//----------------------------------------------------------------------------- -// FIXME: This may be a little confusing, trying to be a little too low-level/optimal instead of just doing vector swap.. -//----------------------------------------------------------------------------- - -void ImDrawListSplitter::ClearFreeMemory() -{ - for (int i = 0; i < _Channels.Size; i++) - { - if (i == _Current) - memset(&_Channels[i], 0, sizeof(_Channels[i])); // Current channel is a copy of CmdBuffer/IdxBuffer, don't destruct again - _Channels[i]._CmdBuffer.clear(); - _Channels[i]._IdxBuffer.clear(); - } - _Current = 0; - _Count = 1; - _Channels.clear(); -} - -void ImDrawListSplitter::Split(ImDrawList* draw_list, int channels_count) -{ - IM_UNUSED(draw_list); - IM_ASSERT(_Current == 0 && _Count <= 1 && "Nested channel splitting is not supported. Please use separate instances of ImDrawListSplitter."); - int old_channels_count = _Channels.Size; - if (old_channels_count < channels_count) - { - _Channels.reserve(channels_count); // Avoid over reserving since this is likely to stay stable - _Channels.resize(channels_count); - } - _Count = channels_count; - - // Channels[] (24/32 bytes each) hold storage that we'll swap with draw_list->_CmdBuffer/_IdxBuffer - // The content of Channels[0] at this point doesn't matter. We clear it to make state tidy in a debugger but we don't strictly need to. - // When we switch to the next channel, we'll copy draw_list->_CmdBuffer/_IdxBuffer into Channels[0] and then Channels[1] into draw_list->CmdBuffer/_IdxBuffer - memset(&_Channels[0], 0, sizeof(ImDrawChannel)); - for (int i = 1; i < channels_count; i++) - { - if (i >= old_channels_count) - { - IM_PLACEMENT_NEW(&_Channels[i]) ImDrawChannel(); - } - else - { - _Channels[i]._CmdBuffer.resize(0); - _Channels[i]._IdxBuffer.resize(0); - } - } -} - -void ImDrawListSplitter::Merge(ImDrawList* draw_list) -{ - // Note that we never use or rely on _Channels.Size because it is merely a buffer that we never shrink back to 0 to keep all sub-buffers ready for use. - if (_Count <= 1) - return; - - SetCurrentChannel(draw_list, 0); - draw_list->_PopUnusedDrawCmd(); - - // Calculate our final buffer sizes. Also fix the incorrect IdxOffset values in each command. - int new_cmd_buffer_count = 0; - int new_idx_buffer_count = 0; - ImDrawCmd* last_cmd = (_Count > 0 && draw_list->CmdBuffer.Size > 0) ? &draw_list->CmdBuffer.back() : NULL; - int idx_offset = last_cmd ? last_cmd->IdxOffset + last_cmd->ElemCount : 0; - for (int i = 1; i < _Count; i++) - { - ImDrawChannel& ch = _Channels[i]; - if (ch._CmdBuffer.Size > 0 && ch._CmdBuffer.back().ElemCount == 0 && ch._CmdBuffer.back().UserCallback == NULL) // Equivalent of PopUnusedDrawCmd() - ch._CmdBuffer.pop_back(); - - if (ch._CmdBuffer.Size > 0 && last_cmd != NULL) - { - // Do not include ImDrawCmd_AreSequentialIdxOffset() in the compare as we rebuild IdxOffset values ourselves. - // Manipulating IdxOffset (e.g. by reordering draw commands like done by RenderDimmedBackgroundBehindWindow()) is not supported within a splitter. - ImDrawCmd* next_cmd = &ch._CmdBuffer[0]; - if (ImDrawCmd_HeaderCompare(last_cmd, next_cmd) == 0 && last_cmd->UserCallback == NULL && next_cmd->UserCallback == NULL) - { - // Merge previous channel last draw command with current channel first draw command if matching. - last_cmd->ElemCount += next_cmd->ElemCount; - idx_offset += next_cmd->ElemCount; - ch._CmdBuffer.erase(ch._CmdBuffer.Data); // FIXME-OPT: Improve for multiple merges. - } - } - if (ch._CmdBuffer.Size > 0) - last_cmd = &ch._CmdBuffer.back(); - new_cmd_buffer_count += ch._CmdBuffer.Size; - new_idx_buffer_count += ch._IdxBuffer.Size; - for (int cmd_n = 0; cmd_n < ch._CmdBuffer.Size; cmd_n++) - { - ch._CmdBuffer.Data[cmd_n].IdxOffset = idx_offset; - idx_offset += ch._CmdBuffer.Data[cmd_n].ElemCount; - } - } - draw_list->CmdBuffer.resize(draw_list->CmdBuffer.Size + new_cmd_buffer_count); - draw_list->IdxBuffer.resize(draw_list->IdxBuffer.Size + new_idx_buffer_count); - - // Write commands and indices in order (they are fairly small structures, we don't copy vertices only indices) - ImDrawCmd* cmd_write = draw_list->CmdBuffer.Data + draw_list->CmdBuffer.Size - new_cmd_buffer_count; - ImDrawIdx* idx_write = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size - new_idx_buffer_count; - for (int i = 1; i < _Count; i++) - { - ImDrawChannel& ch = _Channels[i]; - if (int sz = ch._CmdBuffer.Size) { memcpy(cmd_write, ch._CmdBuffer.Data, sz * sizeof(ImDrawCmd)); cmd_write += sz; } - if (int sz = ch._IdxBuffer.Size) { memcpy(idx_write, ch._IdxBuffer.Data, sz * sizeof(ImDrawIdx)); idx_write += sz; } - } - draw_list->_IdxWritePtr = idx_write; - - // Ensure there's always a non-callback draw command trailing the command-buffer - if (draw_list->CmdBuffer.Size == 0 || draw_list->CmdBuffer.back().UserCallback != NULL) - draw_list->AddDrawCmd(); - - // If current command is used with different settings we need to add a new command - ImDrawCmd* curr_cmd = &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; - if (curr_cmd->ElemCount == 0) - ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset - else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) - draw_list->AddDrawCmd(); - - _Count = 1; -} - -void ImDrawListSplitter::SetCurrentChannel(ImDrawList* draw_list, int idx) -{ - IM_ASSERT(idx >= 0 && idx < _Count); - if (_Current == idx) - return; - - // Overwrite ImVector (12/16 bytes), four times. This is merely a silly optimization instead of doing .swap() - memcpy(&_Channels.Data[_Current]._CmdBuffer, &draw_list->CmdBuffer, sizeof(draw_list->CmdBuffer)); - memcpy(&_Channels.Data[_Current]._IdxBuffer, &draw_list->IdxBuffer, sizeof(draw_list->IdxBuffer)); - _Current = idx; - memcpy(&draw_list->CmdBuffer, &_Channels.Data[idx]._CmdBuffer, sizeof(draw_list->CmdBuffer)); - memcpy(&draw_list->IdxBuffer, &_Channels.Data[idx]._IdxBuffer, sizeof(draw_list->IdxBuffer)); - draw_list->_IdxWritePtr = draw_list->IdxBuffer.Data + draw_list->IdxBuffer.Size; - - // If current command is used with different settings we need to add a new command - ImDrawCmd* curr_cmd = (draw_list->CmdBuffer.Size == 0) ? NULL : &draw_list->CmdBuffer.Data[draw_list->CmdBuffer.Size - 1]; - if (curr_cmd == NULL) - draw_list->AddDrawCmd(); - else if (curr_cmd->ElemCount == 0) - ImDrawCmd_HeaderCopy(curr_cmd, &draw_list->_CmdHeader); // Copy ClipRect, TextureId, VtxOffset - else if (ImDrawCmd_HeaderCompare(curr_cmd, &draw_list->_CmdHeader) != 0) - draw_list->AddDrawCmd(); -} - -//----------------------------------------------------------------------------- -// [SECTION] ImDrawData -//----------------------------------------------------------------------------- - -// For backward compatibility: convert all buffers from indexed to de-indexed, in case you cannot render indexed. Note: this is slow and most likely a waste of resources. Always prefer indexed rendering! -void ImDrawData::DeIndexAllBuffers() -{ - ImVector<ImDrawVert> new_vtx_buffer; - TotalVtxCount = TotalIdxCount = 0; - for (int i = 0; i < CmdListsCount; i++) - { - ImDrawList* cmd_list = CmdLists[i]; - if (cmd_list->IdxBuffer.empty()) - continue; - new_vtx_buffer.resize(cmd_list->IdxBuffer.Size); - for (int j = 0; j < cmd_list->IdxBuffer.Size; j++) - new_vtx_buffer[j] = cmd_list->VtxBuffer[cmd_list->IdxBuffer[j]]; - cmd_list->VtxBuffer.swap(new_vtx_buffer); - cmd_list->IdxBuffer.resize(0); - TotalVtxCount += cmd_list->VtxBuffer.Size; - } -} - -// Helper to scale the ClipRect field of each ImDrawCmd. -// Use if your final output buffer is at a different scale than draw_data->DisplaySize, -// or if there is a difference between your window resolution and framebuffer resolution. -void ImDrawData::ScaleClipRects(const ImVec2& fb_scale) -{ - for (int i = 0; i < CmdListsCount; i++) - { - ImDrawList* cmd_list = CmdLists[i]; - for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++) - { - ImDrawCmd* cmd = &cmd_list->CmdBuffer[cmd_i]; - cmd->ClipRect = ImVec4(cmd->ClipRect.x * fb_scale.x, cmd->ClipRect.y * fb_scale.y, cmd->ClipRect.z * fb_scale.x, cmd->ClipRect.w * fb_scale.y); - } - } -} - -//----------------------------------------------------------------------------- -// [SECTION] Helpers ShadeVertsXXX functions -//----------------------------------------------------------------------------- - -// Generic linear color gradient, write to RGB fields, leave A untouched. -void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1) -{ - ImVec2 gradient_extent = gradient_p1 - gradient_p0; - float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent); - ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; - ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; - const int col0_r = (int)(col0 >> IM_COL32_R_SHIFT) & 0xFF; - const int col0_g = (int)(col0 >> IM_COL32_G_SHIFT) & 0xFF; - const int col0_b = (int)(col0 >> IM_COL32_B_SHIFT) & 0xFF; - const int col_delta_r = ((int)(col1 >> IM_COL32_R_SHIFT) & 0xFF) - col0_r; - const int col_delta_g = ((int)(col1 >> IM_COL32_G_SHIFT) & 0xFF) - col0_g; - const int col_delta_b = ((int)(col1 >> IM_COL32_B_SHIFT) & 0xFF) - col0_b; - 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 = (int)(col0_r + col_delta_r * t); - int g = (int)(col0_g + col_delta_g * t); - int b = (int)(col0_b + col_delta_b * t); - vert->col = (r << IM_COL32_R_SHIFT) | (g << IM_COL32_G_SHIFT) | (b << IM_COL32_B_SHIFT) | (vert->col & IM_COL32_A_MASK); - } -} - -// Distribute UV over (a, b) rectangle -void ImGui::ShadeVertsLinearUV(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp) -{ - const ImVec2 size = b - a; - const ImVec2 uv_size = uv_b - uv_a; - const ImVec2 scale = ImVec2( - size.x != 0.0f ? (uv_size.x / size.x) : 0.0f, - size.y != 0.0f ? (uv_size.y / size.y) : 0.0f); - - ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx; - ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx; - if (clamp) - { - const ImVec2 min = ImMin(uv_a, uv_b); - const ImVec2 max = ImMax(uv_a, uv_b); - for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) - vertex->uv = ImClamp(uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale), min, max); - } - else - { - for (ImDrawVert* vertex = vert_start; vertex < vert_end; ++vertex) - vertex->uv = uv_a + ImMul(ImVec2(vertex->pos.x, vertex->pos.y) - a, scale); - } -} - -//----------------------------------------------------------------------------- -// [SECTION] ImFontConfig -//----------------------------------------------------------------------------- - -ImFontConfig::ImFontConfig() -{ - memset(this, 0, sizeof(*this)); - FontDataOwnedByAtlas = true; - OversampleH = 3; // FIXME: 2 may be a better default? - OversampleV = 1; - GlyphMaxAdvanceX = FLT_MAX; - RasterizerMultiply = 1.0f; - EllipsisChar = (ImWchar)-1; -} - -//----------------------------------------------------------------------------- -// [SECTION] ImFontAtlas -//----------------------------------------------------------------------------- - -// A work of art lies ahead! (. = white layer, X = black layer, others are blank) -// The 2x2 white texels on the top left are the ones we'll use everywhere in Dear ImGui to render filled shapes. -// (This is used when io.MouseDrawCursor = true) -const int FONT_ATLAS_DEFAULT_TEX_DATA_W = 122; // Actual texture will be 2 times that + 1 spacing. -const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27; -static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] = -{ - "..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX - XX XX " - "..- -X.....X- X.X - 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 - 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.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 - X.X -XX X.X - X.X XX- X..X..XXX - X...X " - "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 - X.X - X.X -XXX X..X..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 " - "X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..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.X - X.X X.X X.X - X....X-X....X - X.............X- XX XX " - "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 - { ImVec2(109,0),ImVec2(13,15), ImVec2( 6, 7) }, // ImGuiMouseCursor_NotAllowed -}; - -ImFontAtlas::ImFontAtlas() -{ - memset(this, 0, sizeof(*this)); - TexGlyphPadding = 1; - PackIdMouseCursors = PackIdLines = -1; -} - -ImFontAtlas::~ImFontAtlas() -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); - Clear(); -} - -void ImFontAtlas::ClearInputData() -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); - for (int i = 0; i < ConfigData.Size; i++) - if (ConfigData[i].FontData && ConfigData[i].FontDataOwnedByAtlas) - { - IM_FREE(ConfigData[i].FontData); - ConfigData[i].FontData = NULL; - } - - // When clearing this we lose access to the font name and other information used to build the font. - for (int i = 0; i < Fonts.Size; i++) - if (Fonts[i]->ConfigData >= ConfigData.Data && Fonts[i]->ConfigData < ConfigData.Data + ConfigData.Size) - { - Fonts[i]->ConfigData = NULL; - Fonts[i]->ConfigDataCount = 0; - } - ConfigData.clear(); - CustomRects.clear(); - PackIdMouseCursors = PackIdLines = -1; - // Important: we leave TexReady untouched -} - -void ImFontAtlas::ClearTexData() -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); - if (TexPixelsAlpha8) - IM_FREE(TexPixelsAlpha8); - if (TexPixelsRGBA32) - IM_FREE(TexPixelsRGBA32); - TexPixelsAlpha8 = NULL; - TexPixelsRGBA32 = NULL; - TexPixelsUseColors = false; - // Important: we leave TexReady untouched -} - -void ImFontAtlas::ClearFonts() -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); - Fonts.clear_delete(); - TexReady = false; -} - -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) - Build(); - - *out_pixels = TexPixelsAlpha8; - if (out_width) *out_width = TexWidth; - if (out_height) *out_height = TexHeight; - if (out_bytes_per_pixel) *out_bytes_per_pixel = 1; -} - -void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_width, int* out_height, int* out_bytes_per_pixel) -{ - // Convert to RGBA32 format on demand - // Although it is likely to be the most commonly used format, our font rendering is 1 channel / 8 bpp - if (!TexPixelsRGBA32) - { - unsigned char* pixels = NULL; - GetTexDataAsAlpha8(&pixels, NULL, NULL); - if (pixels) - { - TexPixelsRGBA32 = (unsigned int*)IM_ALLOC((size_t)TexWidth * (size_t)TexHeight * 4); - const unsigned char* src = pixels; - unsigned int* dst = TexPixelsRGBA32; - for (int n = TexWidth * TexHeight; n > 0; n--) - *dst++ = IM_COL32(255, 255, 255, (unsigned int)(*src++)); - } - } - - *out_pixels = (unsigned char*)TexPixelsRGBA32; - if (out_width) *out_width = TexWidth; - if (out_height) *out_height = TexHeight; - if (out_bytes_per_pixel) *out_bytes_per_pixel = 4; -} - -ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg) -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); - IM_ASSERT(font_cfg->FontData != NULL && font_cfg->FontDataSize > 0); - IM_ASSERT(font_cfg->SizePixels > 0.0f); - - // Create new font - if (!font_cfg->MergeMode) - Fonts.push_back(IM_NEW(ImFont)); - else - IM_ASSERT(!Fonts.empty() && "Cannot use MergeMode for the first font"); // When using MergeMode make sure that a font has already been added before. You can use ImGui::GetIO().Fonts->AddFontDefault() to add the default imgui font. - - ConfigData.push_back(*font_cfg); - ImFontConfig& new_font_cfg = ConfigData.back(); - if (new_font_cfg.DstFont == NULL) - new_font_cfg.DstFont = Fonts.back(); - if (!new_font_cfg.FontDataOwnedByAtlas) - { - new_font_cfg.FontData = IM_ALLOC(new_font_cfg.FontDataSize); - new_font_cfg.FontDataOwnedByAtlas = true; - memcpy(new_font_cfg.FontData, font_cfg->FontData, (size_t)new_font_cfg.FontDataSize); - } - - if (new_font_cfg.DstFont->EllipsisChar == (ImWchar)-1) - new_font_cfg.DstFont->EllipsisChar = font_cfg->EllipsisChar; - - // Invalidate texture - TexReady = false; - ClearTexData(); - return new_font_cfg.DstFont; -} - -// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder) -static unsigned int stb_decompress_length(const unsigned char* input); -static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length); -static const char* GetDefaultCompressedFontDataTTFBase85(); -static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; } -static void Decode85(const unsigned char* src, unsigned char* dst) -{ - while (*src) - { - unsigned int tmp = Decode85Byte(src[0]) + 85 * (Decode85Byte(src[1]) + 85 * (Decode85Byte(src[2]) + 85 * (Decode85Byte(src[3]) + 85 * Decode85Byte(src[4])))); - dst[0] = ((tmp >> 0) & 0xFF); dst[1] = ((tmp >> 8) & 0xFF); dst[2] = ((tmp >> 16) & 0xFF); dst[3] = ((tmp >> 24) & 0xFF); // We can't assume little-endianness. - src += 5; - dst += 4; - } -} - -// Load embedded ProggyClean.ttf at size 13, disable oversampling -ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template) -{ - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - if (!font_cfg_template) - { - font_cfg.OversampleH = font_cfg.OversampleV = 1; - font_cfg.PixelSnapH = true; - } - if (font_cfg.SizePixels <= 0.0f) - font_cfg.SizePixels = 13.0f * 1.0f; - if (font_cfg.Name[0] == '\0') - ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "ProggyClean.ttf, %dpx", (int)font_cfg.SizePixels); - font_cfg.EllipsisChar = (ImWchar)0x0085; - font_cfg.GlyphOffset.y = 1.0f * IM_FLOOR(font_cfg.SizePixels / 13.0f); // Add +1 offset per 13 units - - const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85(); - const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault(); - ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges); - return font; -} - -ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); - size_t data_size = 0; - void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0); - if (!data) - { - IM_ASSERT_USER_ERROR(0, "Could not load font file!"); - return NULL; - } - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - if (font_cfg.Name[0] == '\0') - { - // Store a short copy of filename into into the font name for convenience - const char* p; - for (p = filename + strlen(filename); p > filename && p[-1] != '/' && p[-1] != '\\'; p--) {} - ImFormatString(font_cfg.Name, IM_ARRAYSIZE(font_cfg.Name), "%s, %.0fpx", p, size_pixels); - } - return AddFontFromMemoryTTF(data, (int)data_size, size_pixels, &font_cfg, glyph_ranges); -} - -// NB: Transfer ownership of 'ttf_data' to ImFontAtlas, unless font_cfg_template->FontDataOwnedByAtlas == false. Owned TTF buffer will be deleted after Build(). -ImFont* ImFontAtlas::AddFontFromMemoryTTF(void* ttf_data, int ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) -{ - IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!"); - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - IM_ASSERT(font_cfg.FontData == NULL); - font_cfg.FontData = ttf_data; - font_cfg.FontDataSize = ttf_size; - font_cfg.SizePixels = size_pixels > 0.0f ? size_pixels : font_cfg.SizePixels; - if (glyph_ranges) - font_cfg.GlyphRanges = glyph_ranges; - return AddFont(&font_cfg); -} - -ImFont* ImFontAtlas::AddFontFromMemoryCompressedTTF(const void* compressed_ttf_data, int compressed_ttf_size, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) -{ - const unsigned int buf_decompressed_size = stb_decompress_length((const unsigned char*)compressed_ttf_data); - unsigned char* buf_decompressed_data = (unsigned char*)IM_ALLOC(buf_decompressed_size); - stb_decompress(buf_decompressed_data, (const unsigned char*)compressed_ttf_data, (unsigned int)compressed_ttf_size); - - ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); - IM_ASSERT(font_cfg.FontData == NULL); - font_cfg.FontDataOwnedByAtlas = true; - return AddFontFromMemoryTTF(buf_decompressed_data, (int)buf_decompressed_size, size_pixels, &font_cfg, glyph_ranges); -} - -ImFont* ImFontAtlas::AddFontFromMemoryCompressedBase85TTF(const char* compressed_ttf_data_base85, float size_pixels, const ImFontConfig* font_cfg, const ImWchar* glyph_ranges) -{ - int compressed_ttf_size = (((int)strlen(compressed_ttf_data_base85) + 4) / 5) * 4; - void* compressed_ttf = IM_ALLOC((size_t)compressed_ttf_size); - Decode85((const unsigned char*)compressed_ttf_data_base85, (unsigned char*)compressed_ttf); - ImFont* font = AddFontFromMemoryCompressedTTF(compressed_ttf, compressed_ttf_size, size_pixels, font_cfg, glyph_ranges); - IM_FREE(compressed_ttf); - return font; -} - -int ImFontAtlas::AddCustomRectRegular(int width, int height) -{ - IM_ASSERT(width > 0 && width <= 0xFFFF); - IM_ASSERT(height > 0 && height <= 0xFFFF); - ImFontAtlasCustomRect r; - r.Width = (unsigned short)width; - r.Height = (unsigned short)height; - CustomRects.push_back(r); - return CustomRects.Size - 1; // Return index -} - -int ImFontAtlas::AddCustomRectFontGlyph(ImFont* font, ImWchar id, int width, int height, float advance_x, const ImVec2& offset) -{ -#ifdef IMGUI_USE_WCHAR32 - IM_ASSERT(id <= IM_UNICODE_CODEPOINT_MAX); -#endif - IM_ASSERT(font != NULL); - IM_ASSERT(width > 0 && width <= 0xFFFF); - IM_ASSERT(height > 0 && height <= 0xFFFF); - ImFontAtlasCustomRect r; - r.Width = (unsigned short)width; - r.Height = (unsigned short)height; - r.GlyphID = id; - r.GlyphAdvanceX = advance_x; - r.GlyphOffset = offset; - r.Font = font; - CustomRects.push_back(r); - return CustomRects.Size - 1; // Return index -} - -void ImFontAtlas::CalcCustomRectUV(const ImFontAtlasCustomRect* rect, ImVec2* out_uv_min, ImVec2* out_uv_max) const -{ - IM_ASSERT(TexWidth > 0 && TexHeight > 0); // Font atlas needs to be built before we can calculate UV coordinates - IM_ASSERT(rect->IsPacked()); // Make sure the rectangle has been packed - *out_uv_min = ImVec2((float)rect->X * TexUvScale.x, (float)rect->Y * TexUvScale.y); - *out_uv_max = ImVec2((float)(rect->X + rect->Width) * TexUvScale.x, (float)(rect->Y + rect->Height) * TexUvScale.y); -} - -bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* out_offset, ImVec2* out_size, ImVec2 out_uv_border[2], ImVec2 out_uv_fill[2]) -{ - if (cursor_type <= ImGuiMouseCursor_None || cursor_type >= ImGuiMouseCursor_COUNT) - return false; - if (Flags & ImFontAtlasFlags_NoMouseCursors) - return false; - - IM_ASSERT(PackIdMouseCursors != -1); - ImFontAtlasCustomRect* r = GetCustomRectByIndex(PackIdMouseCursors); - 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 + 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()!"); - - // Default font is none are specified - if (ConfigData.Size == 0) - AddFontDefault(); - - // Select builder - // - Note that we do not reassign to atlas->FontBuilderIO, since it is likely to point to static data which - // may mess with some hot-reloading schemes. If you need to assign to this (for dynamic selection) AND are - // using a hot-reloading scheme that messes up static data, store your own instance of ImFontBuilderIO somewhere - // and point to it instead of pointing directly to return value of the GetBuilderXXX functions. - const ImFontBuilderIO* builder_io = FontBuilderIO; - if (builder_io == NULL) - { -#ifdef IMGUI_ENABLE_FREETYPE - builder_io = ImGuiFreeType::GetBuilderForFreeType(); -#elif defined(IMGUI_ENABLE_STB_TRUETYPE) - builder_io = ImFontAtlasGetBuilderForStbTruetype(); -#else - IM_ASSERT(0); // Invalid Build function -#endif - } - - // Build - return builder_io->FontBuilder_Build(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]]; -} - -#ifdef IMGUI_ENABLE_STB_TRUETYPE -// Temporary data for one source font (multiple source fonts can be merged into one destination ImFont) -// (C++03 doesn't allow instancing ImVector<> with function-local types so we declare the type here.) -struct ImFontBuildSrcData -{ - stbtt_fontinfo FontInfo; - stbtt_pack_range PackRange; // Hold the list of codepoints to pack (essentially points to Codepoints.Data) - stbrp_rect* Rects; // Rectangle to pack. We first fill in their size and the packer will give us their position. - stbtt_packedchar* PackedChars; // Output glyphs - const ImWchar* SrcRanges; // Ranges as requested by user (user is allowed to request too much, e.g. 0x0020..0xFFFF) - int DstIndex; // Index into atlas->Fonts[] and dst_tmp_array[] - int GlyphsHighest; // Highest requested codepoint - int GlyphsCount; // Glyph count (excluding missing glyphs and glyphs already set by an earlier source font) - ImBitVector GlyphsSet; // Glyph bit map (random access, 1-bit per codepoint. This will be a maximum of 8KB) - ImVector<int> GlyphsList; // Glyph codepoints list (flattened version of GlyphsMap) -}; - -// Temporary data for one destination ImFont* (multiple source fonts can be merged into one destination ImFont) -struct ImFontBuildDstData -{ - int SrcCount; // Number of source fonts targeting this destination font. - int GlyphsHighest; - int GlyphsCount; - ImBitVector GlyphsSet; // This is used to resolve collision when multiple sources are merged into a same destination font. -}; - -static void UnpackBitVectorToFlatIndexList(const ImBitVector* in, ImVector<int>* out) -{ - IM_ASSERT(sizeof(in->Storage.Data[0]) == sizeof(int)); - const ImU32* it_begin = in->Storage.begin(); - const ImU32* it_end = in->Storage.end(); - for (const ImU32* it = it_begin; it < it_end; it++) - if (ImU32 entries_32 = *it) - for (ImU32 bit_n = 0; bit_n < 32; bit_n++) - if (entries_32 & ((ImU32)1 << bit_n)) - out->push_back((int)(((it - it_begin) << 5) + bit_n)); -} - -static bool ImFontAtlasBuildWithStbTruetype(ImFontAtlas* atlas) -{ - IM_ASSERT(atlas->ConfigData.Size > 0); - - ImFontAtlasBuildInit(atlas); - - // Clear atlas - atlas->TexID = (ImTextureID)NULL; - atlas->TexWidth = atlas->TexHeight = 0; - atlas->TexUvScale = ImVec2(0.0f, 0.0f); - atlas->TexUvWhitePixel = ImVec2(0.0f, 0.0f); - atlas->ClearTexData(); - - // Temporary storage for building - ImVector<ImFontBuildSrcData> src_tmp_array; - ImVector<ImFontBuildDstData> dst_tmp_array; - src_tmp_array.resize(atlas->ConfigData.Size); - dst_tmp_array.resize(atlas->Fonts.Size); - memset(src_tmp_array.Data, 0, (size_t)src_tmp_array.size_in_bytes()); - memset(dst_tmp_array.Data, 0, (size_t)dst_tmp_array.size_in_bytes()); - - // 1. Initialize font loading structure, check font data validity - for (int src_i = 0; src_i < atlas->ConfigData.Size; src_i++) - { - ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; - ImFontConfig& cfg = atlas->ConfigData[src_i]; - IM_ASSERT(cfg.DstFont && (!cfg.DstFont->IsLoaded() || cfg.DstFont->ContainerAtlas == atlas)); - - // Find index from cfg.DstFont (we allow the user to set cfg.DstFont. Also it makes casual debugging nicer than when storing indices) - src_tmp.DstIndex = -1; - for (int output_i = 0; output_i < atlas->Fonts.Size && src_tmp.DstIndex == -1; output_i++) - if (cfg.DstFont == atlas->Fonts[output_i]) - src_tmp.DstIndex = output_i; - if (src_tmp.DstIndex == -1) - { - IM_ASSERT(src_tmp.DstIndex != -1); // cfg.DstFont not pointing within atlas->Fonts[] array? - return false; - } - // Initialize helper structure for font loading and verify that the TTF/OTF data is correct - const int font_offset = stbtt_GetFontOffsetForIndex((unsigned char*)cfg.FontData, cfg.FontNo); - IM_ASSERT(font_offset >= 0 && "FontData is incorrect, or FontNo cannot be found."); - if (!stbtt_InitFont(&src_tmp.FontInfo, (unsigned char*)cfg.FontData, font_offset)) - return false; - - // Measure highest codepoints - ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; - src_tmp.SrcRanges = cfg.GlyphRanges ? cfg.GlyphRanges : atlas->GetGlyphRangesDefault(); - for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) - src_tmp.GlyphsHighest = ImMax(src_tmp.GlyphsHighest, (int)src_range[1]); - dst_tmp.SrcCount++; - dst_tmp.GlyphsHighest = ImMax(dst_tmp.GlyphsHighest, src_tmp.GlyphsHighest); - } - - // 2. For every requested codepoint, check for their presence in the font data, and handle redundancy or overlaps between source fonts to avoid unused glyphs. - int total_glyphs_count = 0; - for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) - { - ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; - ImFontBuildDstData& dst_tmp = dst_tmp_array[src_tmp.DstIndex]; - src_tmp.GlyphsSet.Create(src_tmp.GlyphsHighest + 1); - if (dst_tmp.GlyphsSet.Storage.empty()) - dst_tmp.GlyphsSet.Create(dst_tmp.GlyphsHighest + 1); - - for (const ImWchar* src_range = src_tmp.SrcRanges; src_range[0] && src_range[1]; src_range += 2) - for (unsigned int codepoint = src_range[0]; codepoint <= src_range[1]; codepoint++) - { - if (dst_tmp.GlyphsSet.TestBit(codepoint)) // Don't overwrite existing glyphs. We could make this an option for MergeMode (e.g. MergeOverwrite==true) - continue; - if (!stbtt_FindGlyphIndex(&src_tmp.FontInfo, codepoint)) // It is actually in the font? - continue; - - // Add to avail set/counters - src_tmp.GlyphsCount++; - dst_tmp.GlyphsCount++; - src_tmp.GlyphsSet.SetBit(codepoint); - dst_tmp.GlyphsSet.SetBit(codepoint); - total_glyphs_count++; - } - } - - // 3. Unpack our bit map into a flat list (we now have all the Unicode points that we know are requested _and_ available _and_ not overlapping another) - for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) - { - ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; - src_tmp.GlyphsList.reserve(src_tmp.GlyphsCount); - UnpackBitVectorToFlatIndexList(&src_tmp.GlyphsSet, &src_tmp.GlyphsList); - src_tmp.GlyphsSet.Clear(); - IM_ASSERT(src_tmp.GlyphsList.Size == src_tmp.GlyphsCount); - } - for (int dst_i = 0; dst_i < dst_tmp_array.Size; dst_i++) - dst_tmp_array[dst_i].GlyphsSet.Clear(); - dst_tmp_array.clear(); - - // Allocate packing character data and flag packed characters buffer as non-packed (x0=y0=x1=y1=0) - // (We technically don't need to zero-clear buf_rects, but let's do it for the sake of sanity) - ImVector<stbrp_rect> buf_rects; - ImVector<stbtt_packedchar> buf_packedchars; - buf_rects.resize(total_glyphs_count); - buf_packedchars.resize(total_glyphs_count); - memset(buf_rects.Data, 0, (size_t)buf_rects.size_in_bytes()); - memset(buf_packedchars.Data, 0, (size_t)buf_packedchars.size_in_bytes()); - - // 4. Gather glyphs sizes so we can pack them in our virtual canvas. - int total_surface = 0; - int buf_rects_out_n = 0; - int buf_packedchars_out_n = 0; - for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) - { - ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; - if (src_tmp.GlyphsCount == 0) - continue; - - src_tmp.Rects = &buf_rects[buf_rects_out_n]; - src_tmp.PackedChars = &buf_packedchars[buf_packedchars_out_n]; - buf_rects_out_n += src_tmp.GlyphsCount; - buf_packedchars_out_n += src_tmp.GlyphsCount; - - // Convert our ranges in the format stb_truetype wants - ImFontConfig& cfg = atlas->ConfigData[src_i]; - src_tmp.PackRange.font_size = cfg.SizePixels; - src_tmp.PackRange.first_unicode_codepoint_in_range = 0; - src_tmp.PackRange.array_of_unicode_codepoints = src_tmp.GlyphsList.Data; - src_tmp.PackRange.num_chars = src_tmp.GlyphsList.Size; - src_tmp.PackRange.chardata_for_range = src_tmp.PackedChars; - src_tmp.PackRange.h_oversample = (unsigned char)cfg.OversampleH; - src_tmp.PackRange.v_oversample = (unsigned char)cfg.OversampleV; - - // Gather the sizes of all rectangles we will need to pack (this loop is based on stbtt_PackFontRangesGatherRects) - const float scale = (cfg.SizePixels > 0) ? stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels) : stbtt_ScaleForMappingEmToPixels(&src_tmp.FontInfo, -cfg.SizePixels); - const int padding = atlas->TexGlyphPadding; - for (int glyph_i = 0; glyph_i < src_tmp.GlyphsList.Size; glyph_i++) - { - int x0, y0, x1, y1; - const int glyph_index_in_font = stbtt_FindGlyphIndex(&src_tmp.FontInfo, src_tmp.GlyphsList[glyph_i]); - IM_ASSERT(glyph_index_in_font != 0); - stbtt_GetGlyphBitmapBoxSubpixel(&src_tmp.FontInfo, glyph_index_in_font, scale * cfg.OversampleH, scale * cfg.OversampleV, 0, 0, &x0, &y0, &x1, &y1); - src_tmp.Rects[glyph_i].w = (stbrp_coord)(x1 - x0 + padding + cfg.OversampleH - 1); - src_tmp.Rects[glyph_i].h = (stbrp_coord)(y1 - y0 + padding + cfg.OversampleV - 1); - total_surface += src_tmp.Rects[glyph_i].w * src_tmp.Rects[glyph_i].h; - } - } - - // We need a width for the skyline algorithm, any width! - // The exact width doesn't really matter much, but some API/GPU have texture size limitations and increasing width can decrease height. - // User can override TexDesiredWidth and TexGlyphPadding if they wish, otherwise we use a simple heuristic to select the width based on expected surface. - const int surface_sqrt = (int)ImSqrt((float)total_surface) + 1; - atlas->TexHeight = 0; - if (atlas->TexDesiredWidth > 0) - atlas->TexWidth = atlas->TexDesiredWidth; - else - atlas->TexWidth = (surface_sqrt >= 4096 * 0.7f) ? 4096 : (surface_sqrt >= 2048 * 0.7f) ? 2048 : (surface_sqrt >= 1024 * 0.7f) ? 1024 : 512; - - // 5. Start packing - // Pack our extra data rectangles first, so it will be on the upper-left corner of our texture (UV will have small values). - const int TEX_HEIGHT_MAX = 1024 * 32; - stbtt_pack_context spc = {}; - stbtt_PackBegin(&spc, NULL, atlas->TexWidth, TEX_HEIGHT_MAX, 0, atlas->TexGlyphPadding, NULL); - ImFontAtlasBuildPackCustomRects(atlas, spc.pack_info); - - // 6. Pack each source font. No rendering yet, we are working with rectangles in an infinitely tall texture at this point. - for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) - { - ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; - if (src_tmp.GlyphsCount == 0) - continue; - - stbrp_pack_rects((stbrp_context*)spc.pack_info, src_tmp.Rects, src_tmp.GlyphsCount); - - // Extend texture height and mark missing glyphs as non-packed so we won't render them. - // FIXME: We are not handling packing failure here (would happen if we got off TEX_HEIGHT_MAX or if a single if larger than TexWidth?) - for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) - if (src_tmp.Rects[glyph_i].was_packed) - atlas->TexHeight = ImMax(atlas->TexHeight, src_tmp.Rects[glyph_i].y + src_tmp.Rects[glyph_i].h); - } - - // 7. Allocate texture - atlas->TexHeight = (atlas->Flags & ImFontAtlasFlags_NoPowerOfTwoHeight) ? (atlas->TexHeight + 1) : ImUpperPowerOfTwo(atlas->TexHeight); - atlas->TexUvScale = ImVec2(1.0f / atlas->TexWidth, 1.0f / atlas->TexHeight); - atlas->TexPixelsAlpha8 = (unsigned char*)IM_ALLOC(atlas->TexWidth * atlas->TexHeight); - memset(atlas->TexPixelsAlpha8, 0, atlas->TexWidth * atlas->TexHeight); - spc.pixels = atlas->TexPixelsAlpha8; - spc.height = atlas->TexHeight; - - // 8. Render/rasterize font characters into the texture - for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) - { - ImFontConfig& cfg = atlas->ConfigData[src_i]; - ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; - if (src_tmp.GlyphsCount == 0) - continue; - - stbtt_PackFontRangesRenderIntoRects(&spc, &src_tmp.FontInfo, &src_tmp.PackRange, 1, src_tmp.Rects); - - // Apply multiply operator - if (cfg.RasterizerMultiply != 1.0f) - { - unsigned char multiply_table[256]; - ImFontAtlasBuildMultiplyCalcLookupTable(multiply_table, cfg.RasterizerMultiply); - stbrp_rect* r = &src_tmp.Rects[0]; - for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++, r++) - if (r->was_packed) - ImFontAtlasBuildMultiplyRectAlpha8(multiply_table, atlas->TexPixelsAlpha8, r->x, r->y, r->w, r->h, atlas->TexWidth * 1); - } - src_tmp.Rects = NULL; - } - - // End packing - stbtt_PackEnd(&spc); - buf_rects.clear(); - - // 9. Setup ImFont and glyphs for runtime - for (int src_i = 0; src_i < src_tmp_array.Size; src_i++) - { - ImFontBuildSrcData& src_tmp = src_tmp_array[src_i]; - if (src_tmp.GlyphsCount == 0) - continue; - - // When merging fonts with MergeMode=true: - // - We can have multiple input fonts writing into a same destination font. - // - dst_font->ConfigData is != from cfg which is our source configuration. - ImFontConfig& cfg = atlas->ConfigData[src_i]; - ImFont* dst_font = cfg.DstFont; - - const float font_scale = stbtt_ScaleForPixelHeight(&src_tmp.FontInfo, cfg.SizePixels); - int unscaled_ascent, unscaled_descent, unscaled_line_gap; - stbtt_GetFontVMetrics(&src_tmp.FontInfo, &unscaled_ascent, &unscaled_descent, &unscaled_line_gap); - - const float ascent = ImFloor(unscaled_ascent * font_scale + ((unscaled_ascent > 0.0f) ? +1 : -1)); - const float descent = ImFloor(unscaled_descent * font_scale + ((unscaled_descent > 0.0f) ? +1 : -1)); - ImFontAtlasBuildSetupFont(atlas, dst_font, &cfg, ascent, descent); - const float font_off_x = cfg.GlyphOffset.x; - const float font_off_y = cfg.GlyphOffset.y + IM_ROUND(dst_font->Ascent); - - for (int glyph_i = 0; glyph_i < src_tmp.GlyphsCount; glyph_i++) - { - // Register glyph - const int codepoint = src_tmp.GlyphsList[glyph_i]; - const stbtt_packedchar& pc = src_tmp.PackedChars[glyph_i]; - stbtt_aligned_quad q; - float unused_x = 0.0f, unused_y = 0.0f; - stbtt_GetPackedQuad(src_tmp.PackedChars, atlas->TexWidth, atlas->TexHeight, glyph_i, &unused_x, &unused_y, &q, 0); - dst_font->AddGlyph(&cfg, (ImWchar)codepoint, q.x0 + font_off_x, q.y0 + font_off_y, q.x1 + font_off_x, q.y1 + font_off_y, q.s0, q.t0, q.s1, q.t1, pc.xadvance); - } - } - - // Cleanup - src_tmp_array.clear_destruct(); - - ImFontAtlasBuildFinish(atlas); - return true; -} - -const ImFontBuilderIO* ImFontAtlasGetBuilderForStbTruetype() -{ - static ImFontBuilderIO io; - io.FontBuilder_Build = ImFontAtlasBuildWithStbTruetype; - return &io; -} - -#endif // IMGUI_ENABLE_STB_TRUETYPE - -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->ConfigDataCount = 0; - font->ContainerAtlas = atlas; - font->Ascent = ascent; - font->Descent = descent; - } - font->ConfigDataCount++; -} - -void ImFontAtlasBuildPackCustomRects(ImFontAtlas* atlas, void* stbrp_context_opaque) -{ - stbrp_context* pack_context = (stbrp_context*)stbrp_context_opaque; - IM_ASSERT(pack_context != NULL); - - ImVector<ImFontAtlasCustomRect>& user_rects = atlas->CustomRects; - IM_ASSERT(user_rects.Size >= 1); // We expect at least the default custom rects to be registered, else something went wrong. - - ImVector<stbrp_rect> pack_rects; - pack_rects.resize(user_rects.Size); - memset(pack_rects.Data, 0, (size_t)pack_rects.size_in_bytes()); - for (int i = 0; i < user_rects.Size; i++) - { - pack_rects[i].w = user_rects[i].Width; - pack_rects[i].h = user_rects[i].Height; - } - stbrp_pack_rects(pack_context, &pack_rects[0], pack_rects.Size); - for (int i = 0; i < pack_rects.Size; i++) - if (pack_rects[i].was_packed) - { - user_rects[i].X = pack_rects[i].x; - user_rects[i].Y = pack_rects[i].y; - IM_ASSERT(pack_rects[i].w == user_rects[i].Width && pack_rects[i].h == user_rects[i].Height); - atlas->TexHeight = ImMax(atlas->TexHeight, pack_rects[i].y + pack_rects[i].h); - } -} - -void ImFontAtlasBuildRender8bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned char in_marker_pixel_value) -{ - IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth); - IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight); - unsigned char* out_pixel = atlas->TexPixelsAlpha8 + x + (y * atlas->TexWidth); - for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w) - for (int off_x = 0; off_x < w; off_x++) - out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : 0x00; -} - -void ImFontAtlasBuildRender32bppRectFromString(ImFontAtlas* atlas, int x, int y, int w, int h, const char* in_str, char in_marker_char, unsigned int in_marker_pixel_value) -{ - IM_ASSERT(x >= 0 && x + w <= atlas->TexWidth); - IM_ASSERT(y >= 0 && y + h <= atlas->TexHeight); - unsigned int* out_pixel = atlas->TexPixelsRGBA32 + x + (y * atlas->TexWidth); - for (int off_y = 0; off_y < h; off_y++, out_pixel += atlas->TexWidth, in_str += w) - for (int off_x = 0; off_x < w; off_x++) - out_pixel[off_x] = (in_str[off_x] == in_marker_char) ? in_marker_pixel_value : IM_COL32_BLACK_TRANS; -} - -static void ImFontAtlasBuildRenderDefaultTexData(ImFontAtlas* atlas) -{ - ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdMouseCursors); - 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 * 2 + 1 && r->Height == FONT_ATLAS_DEFAULT_TEX_DATA_H); - const int x_for_white = r->X; - const int x_for_black = r->X + FONT_ATLAS_DEFAULT_TEX_DATA_W + 1; - if (atlas->TexPixelsAlpha8 != NULL) - { - ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', 0xFF); - ImFontAtlasBuildRender8bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', 0xFF); - } - else - { - ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_white, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, '.', IM_COL32_WHITE); - ImFontAtlasBuildRender32bppRectFromString(atlas, x_for_black, r->Y, FONT_ATLAS_DEFAULT_TEX_DATA_W, FONT_ATLAS_DEFAULT_TEX_DATA_H, FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS, 'X', IM_COL32_WHITE); - } - } - else - { - // Render 4 white pixels - IM_ASSERT(r->Width == 2 && r->Height == 2); - const int offset = (int)r->X + (int)r->Y * w; - if (atlas->TexPixelsAlpha8 != NULL) - { - atlas->TexPixelsAlpha8[offset] = atlas->TexPixelsAlpha8[offset + 1] = atlas->TexPixelsAlpha8[offset + w] = atlas->TexPixelsAlpha8[offset + w + 1] = 0xFF; - } - else - { - atlas->TexPixelsRGBA32[offset] = atlas->TexPixelsRGBA32[offset + 1] = atlas->TexPixelsRGBA32[offset + w] = atlas->TexPixelsRGBA32[offset + w + 1] = IM_COL32_WHITE; - } - } - atlas->TexUvWhitePixel = ImVec2((r->X + 0.5f) * atlas->TexUvScale.x, (r->Y + 0.5f) * atlas->TexUvScale.y); -} - -static void ImFontAtlasBuildRenderLinesTexData(ImFontAtlas* atlas) -{ - if (atlas->Flags & ImFontAtlasFlags_NoBakedLines) - return; - - // This generates a triangular shape in the texture, with the various line widths stacked on top of each other to allow interpolation between them - ImFontAtlasCustomRect* r = atlas->GetCustomRectByIndex(atlas->PackIdLines); - IM_ASSERT(r->IsPacked()); - for (unsigned int n = 0; n < IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1; n++) // +1 because of the zero-width row - { - // Each line consists of at least two empty pixels at the ends, with a line of solid pixels in the middle - unsigned int y = n; - unsigned int line_width = n; - unsigned int pad_left = (r->Width - line_width) / 2; - unsigned int pad_right = r->Width - (pad_left + line_width); - - // Write each slice - IM_ASSERT(pad_left + line_width + pad_right == r->Width && y < r->Height); // Make sure we're inside the texture bounds before we start writing pixels - if (atlas->TexPixelsAlpha8 != NULL) - { - unsigned char* write_ptr = &atlas->TexPixelsAlpha8[r->X + ((r->Y + y) * atlas->TexWidth)]; - for (unsigned int i = 0; i < pad_left; i++) - *(write_ptr + i) = 0x00; - - for (unsigned int i = 0; i < line_width; i++) - *(write_ptr + pad_left + i) = 0xFF; - - for (unsigned int i = 0; i < pad_right; i++) - *(write_ptr + pad_left + line_width + i) = 0x00; - } - else - { - unsigned int* write_ptr = &atlas->TexPixelsRGBA32[r->X + ((r->Y + y) * atlas->TexWidth)]; - for (unsigned int i = 0; i < pad_left; i++) - *(write_ptr + i) = IM_COL32_BLACK_TRANS; - - for (unsigned int i = 0; i < line_width; i++) - *(write_ptr + pad_left + i) = IM_COL32_WHITE; - - for (unsigned int i = 0; i < pad_right; i++) - *(write_ptr + pad_left + line_width + i) = IM_COL32_BLACK_TRANS; - } - - // Calculate UVs for this line - ImVec2 uv0 = ImVec2((float)(r->X + pad_left - 1), (float)(r->Y + y)) * atlas->TexUvScale; - ImVec2 uv1 = ImVec2((float)(r->X + pad_left + line_width + 1), (float)(r->Y + y + 1)) * atlas->TexUvScale; - float half_v = (uv0.y + uv1.y) * 0.5f; // Calculate a constant V in the middle of the row to avoid sampling artifacts - atlas->TexUvLines[n] = ImVec4(uv0.x, half_v, uv1.x, half_v); - } -} - -// Note: this is called / shared by both the stb_truetype and the FreeType builder -void ImFontAtlasBuildInit(ImFontAtlas* atlas) -{ - // Register texture region for mouse cursors or standard white pixels - if (atlas->PackIdMouseCursors < 0) - { - if (!(atlas->Flags & ImFontAtlasFlags_NoMouseCursors)) - atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(FONT_ATLAS_DEFAULT_TEX_DATA_W * 2 + 1, FONT_ATLAS_DEFAULT_TEX_DATA_H); - else - atlas->PackIdMouseCursors = atlas->AddCustomRectRegular(2, 2); - } - - // Register texture region for thick lines - // The +2 here is to give space for the end caps, whilst height +1 is to accommodate the fact we have a zero-width row - if (atlas->PackIdLines < 0) - { - if (!(atlas->Flags & ImFontAtlasFlags_NoBakedLines)) - atlas->PackIdLines = atlas->AddCustomRectRegular(IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 2, IM_DRAWLIST_TEX_LINES_WIDTH_MAX + 1); - } -} - -// This is called/shared by both the stb_truetype and the FreeType builder. -void ImFontAtlasBuildFinish(ImFontAtlas* atlas) -{ - // Render into our custom data blocks - IM_ASSERT(atlas->TexPixelsAlpha8 != NULL || atlas->TexPixelsRGBA32 != NULL); - ImFontAtlasBuildRenderDefaultTexData(atlas); - ImFontAtlasBuildRenderLinesTexData(atlas); - - // Register custom rectangle glyphs - for (int i = 0; i < atlas->CustomRects.Size; i++) - { - const ImFontAtlasCustomRect* r = &atlas->CustomRects[i]; - if (r->Font == NULL || r->GlyphID == 0) - continue; - - // Will ignore ImFontConfig settings: GlyphMinAdvanceX, GlyphMinAdvanceY, GlyphExtraSpacing, PixelSnapH - IM_ASSERT(r->Font->ContainerAtlas == atlas); - ImVec2 uv0, uv1; - atlas->CalcCustomRectUV(r, &uv0, &uv1); - r->Font->AddGlyph(NULL, (ImWchar)r->GlyphID, r->GlyphOffset.x, r->GlyphOffset.y, r->GlyphOffset.x + r->Width, r->GlyphOffset.y + r->Height, uv0.x, uv0.y, uv1.x, uv1.y, r->GlyphAdvanceX); - } - - // Build all fonts lookup tables - for (int i = 0; i < atlas->Fonts.Size; i++) - if (atlas->Fonts[i]->DirtyLookupTables) - atlas->Fonts[i]->BuildLookupTable(); - - atlas->TexReady = true; -} - -// Retrieve list of range (2 int per range, values are inclusive) -const ImWchar* ImFontAtlas::GetGlyphRangesDefault() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesKorean() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x3131, 0x3163, // Korean alphabets - 0xAC00, 0xD7A3, // Korean characters - 0xFFFD, 0xFFFD, // Invalid - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesChineseFull() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x2000, 0x206F, // General Punctuation - 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana - 0x31F0, 0x31FF, // Katakana Phonetic Extensions - 0xFF00, 0xFFEF, // Half-width characters - 0xFFFD, 0xFFFD, // Invalid - 0x4e00, 0x9FAF, // CJK Ideograms - 0, - }; - return &ranges[0]; -} - -static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short* accumulative_offsets, int accumulative_offsets_count, ImWchar* out_ranges) -{ - for (int n = 0; n < accumulative_offsets_count; n++, out_ranges += 2) - { - out_ranges[0] = out_ranges[1] = (ImWchar)(base_codepoint + accumulative_offsets[n]); - base_codepoint += accumulative_offsets[n]; - } - out_ranges[0] = 0; -} - -//------------------------------------------------------------------------- -// [SECTION] ImFontAtlas glyph ranges helpers -//------------------------------------------------------------------------- - -const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon() -{ - // Store 2500 regularly used characters for Simplified Chinese. - // Sourced from https://zh.wiktionary.org/wiki/%E9%99%84%E5%BD%95:%E7%8E%B0%E4%BB%A3%E6%B1%89%E8%AF%AD%E5%B8%B8%E7%94%A8%E5%AD%97%E8%A1%A8 - // This table covers 97.97% of all characters used during the month in July, 1987. - // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. - // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) - static const short accumulative_offsets_from_0x4E00[] = - { - 0,1,2,4,1,1,1,1,2,1,3,2,1,2,2,1,1,1,1,1,5,2,1,2,3,3,3,2,2,4,1,1,1,2,1,5,2,3,1,2,1,2,1,1,2,1,1,2,2,1,4,1,1,1,1,5,10,1,2,19,2,1,2,1,2,1,2,1,2, - 1,5,1,6,3,2,1,2,2,1,1,1,4,8,5,1,1,4,1,1,3,1,2,1,5,1,2,1,1,1,10,1,1,5,2,4,6,1,4,2,2,2,12,2,1,1,6,1,1,1,4,1,1,4,6,5,1,4,2,2,4,10,7,1,1,4,2,4, - 2,1,4,3,6,10,12,5,7,2,14,2,9,1,1,6,7,10,4,7,13,1,5,4,8,4,1,1,2,28,5,6,1,1,5,2,5,20,2,2,9,8,11,2,9,17,1,8,6,8,27,4,6,9,20,11,27,6,68,2,2,1,1, - 1,2,1,2,2,7,6,11,3,3,1,1,3,1,2,1,1,1,1,1,3,1,1,8,3,4,1,5,7,2,1,4,4,8,4,2,1,2,1,1,4,5,6,3,6,2,12,3,1,3,9,2,4,3,4,1,5,3,3,1,3,7,1,5,1,1,1,1,2, - 3,4,5,2,3,2,6,1,1,2,1,7,1,7,3,4,5,15,2,2,1,5,3,22,19,2,1,1,1,1,2,5,1,1,1,6,1,1,12,8,2,9,18,22,4,1,1,5,1,16,1,2,7,10,15,1,1,6,2,4,1,2,4,1,6, - 1,1,3,2,4,1,6,4,5,1,2,1,1,2,1,10,3,1,3,2,1,9,3,2,5,7,2,19,4,3,6,1,1,1,1,1,4,3,2,1,1,1,2,5,3,1,1,1,2,2,1,1,2,1,1,2,1,3,1,1,1,3,7,1,4,1,1,2,1, - 1,2,1,2,4,4,3,8,1,1,1,2,1,3,5,1,3,1,3,4,6,2,2,14,4,6,6,11,9,1,15,3,1,28,5,2,5,5,3,1,3,4,5,4,6,14,3,2,3,5,21,2,7,20,10,1,2,19,2,4,28,28,2,3, - 2,1,14,4,1,26,28,42,12,40,3,52,79,5,14,17,3,2,2,11,3,4,6,3,1,8,2,23,4,5,8,10,4,2,7,3,5,1,1,6,3,1,2,2,2,5,28,1,1,7,7,20,5,3,29,3,17,26,1,8,4, - 27,3,6,11,23,5,3,4,6,13,24,16,6,5,10,25,35,7,3,2,3,3,14,3,6,2,6,1,4,2,3,8,2,1,1,3,3,3,4,1,1,13,2,2,4,5,2,1,14,14,1,2,2,1,4,5,2,3,1,14,3,12, - 3,17,2,16,5,1,2,1,8,9,3,19,4,2,2,4,17,25,21,20,28,75,1,10,29,103,4,1,2,1,1,4,2,4,1,2,3,24,2,2,2,1,1,2,1,3,8,1,1,1,2,1,1,3,1,1,1,6,1,5,3,1,1, - 1,3,4,1,1,5,2,1,5,6,13,9,16,1,1,1,1,3,2,3,2,4,5,2,5,2,2,3,7,13,7,2,2,1,1,1,1,2,3,3,2,1,6,4,9,2,1,14,2,14,2,1,18,3,4,14,4,11,41,15,23,15,23, - 176,1,3,4,1,1,1,1,5,3,1,2,3,7,3,1,1,2,1,2,4,4,6,2,4,1,9,7,1,10,5,8,16,29,1,1,2,2,3,1,3,5,2,4,5,4,1,1,2,2,3,3,7,1,6,10,1,17,1,44,4,6,2,1,1,6, - 5,4,2,10,1,6,9,2,8,1,24,1,2,13,7,8,8,2,1,4,1,3,1,3,3,5,2,5,10,9,4,9,12,2,1,6,1,10,1,1,7,7,4,10,8,3,1,13,4,3,1,6,1,3,5,2,1,2,17,16,5,2,16,6, - 1,4,2,1,3,3,6,8,5,11,11,1,3,3,2,4,6,10,9,5,7,4,7,4,7,1,1,4,2,1,3,6,8,7,1,6,11,5,5,3,24,9,4,2,7,13,5,1,8,82,16,61,1,1,1,4,2,2,16,10,3,8,1,1, - 6,4,2,1,3,1,1,1,4,3,8,4,2,2,1,1,1,1,1,6,3,5,1,1,4,6,9,2,1,1,1,2,1,7,2,1,6,1,5,4,4,3,1,8,1,3,3,1,3,2,2,2,2,3,1,6,1,2,1,2,1,3,7,1,8,2,1,2,1,5, - 2,5,3,5,10,1,2,1,1,3,2,5,11,3,9,3,5,1,1,5,9,1,2,1,5,7,9,9,8,1,3,3,3,6,8,2,3,2,1,1,32,6,1,2,15,9,3,7,13,1,3,10,13,2,14,1,13,10,2,1,3,10,4,15, - 2,15,15,10,1,3,9,6,9,32,25,26,47,7,3,2,3,1,6,3,4,3,2,8,5,4,1,9,4,2,2,19,10,6,2,3,8,1,2,2,4,2,1,9,4,4,4,6,4,8,9,2,3,1,1,1,1,3,5,5,1,3,8,4,6, - 2,1,4,12,1,5,3,7,13,2,5,8,1,6,1,2,5,14,6,1,5,2,4,8,15,5,1,23,6,62,2,10,1,1,8,1,2,2,10,4,2,2,9,2,1,1,3,2,3,1,5,3,3,2,1,3,8,1,1,1,11,3,1,1,4, - 3,7,1,14,1,2,3,12,5,2,5,1,6,7,5,7,14,11,1,3,1,8,9,12,2,1,11,8,4,4,2,6,10,9,13,1,1,3,1,5,1,3,2,4,4,1,18,2,3,14,11,4,29,4,2,7,1,3,13,9,2,2,5, - 3,5,20,7,16,8,5,72,34,6,4,22,12,12,28,45,36,9,7,39,9,191,1,1,1,4,11,8,4,9,2,3,22,1,1,1,1,4,17,1,7,7,1,11,31,10,2,4,8,2,3,2,1,4,2,16,4,32,2, - 3,19,13,4,9,1,5,2,14,8,1,1,3,6,19,6,5,1,16,6,2,10,8,5,1,2,3,1,5,5,1,11,6,6,1,3,3,2,6,3,8,1,1,4,10,7,5,7,7,5,8,9,2,1,3,4,1,1,3,1,3,3,2,6,16, - 1,4,6,3,1,10,6,1,3,15,2,9,2,10,25,13,9,16,6,2,2,10,11,4,3,9,1,2,6,6,5,4,30,40,1,10,7,12,14,33,6,3,6,7,3,1,3,1,11,14,4,9,5,12,11,49,18,51,31, - 140,31,2,2,1,5,1,8,1,10,1,4,4,3,24,1,10,1,3,6,6,16,3,4,5,2,1,4,2,57,10,6,22,2,22,3,7,22,6,10,11,36,18,16,33,36,2,5,5,1,1,1,4,10,1,4,13,2,7, - 5,2,9,3,4,1,7,43,3,7,3,9,14,7,9,1,11,1,1,3,7,4,18,13,1,14,1,3,6,10,73,2,2,30,6,1,11,18,19,13,22,3,46,42,37,89,7,3,16,34,2,2,3,9,1,7,1,1,1,2, - 2,4,10,7,3,10,3,9,5,28,9,2,6,13,7,3,1,3,10,2,7,2,11,3,6,21,54,85,2,1,4,2,2,1,39,3,21,2,2,5,1,1,1,4,1,1,3,4,15,1,3,2,4,4,2,3,8,2,20,1,8,7,13, - 4,1,26,6,2,9,34,4,21,52,10,4,4,1,5,12,2,11,1,7,2,30,12,44,2,30,1,1,3,6,16,9,17,39,82,2,2,24,7,1,7,3,16,9,14,44,2,1,2,1,2,3,5,2,4,1,6,7,5,3, - 2,6,1,11,5,11,2,1,18,19,8,1,3,24,29,2,1,3,5,2,2,1,13,6,5,1,46,11,3,5,1,1,5,8,2,10,6,12,6,3,7,11,2,4,16,13,2,5,1,1,2,2,5,2,28,5,2,23,10,8,4, - 4,22,39,95,38,8,14,9,5,1,13,5,4,3,13,12,11,1,9,1,27,37,2,5,4,4,63,211,95,2,2,2,1,3,5,2,1,1,2,2,1,1,1,3,2,4,1,2,1,1,5,2,2,1,1,2,3,1,3,1,1,1, - 3,1,4,2,1,3,6,1,1,3,7,15,5,3,2,5,3,9,11,4,2,22,1,6,3,8,7,1,4,28,4,16,3,3,25,4,4,27,27,1,4,1,2,2,7,1,3,5,2,28,8,2,14,1,8,6,16,25,3,3,3,14,3, - 3,1,1,2,1,4,6,3,8,4,1,1,1,2,3,6,10,6,2,3,18,3,2,5,5,4,3,1,5,2,5,4,23,7,6,12,6,4,17,11,9,5,1,1,10,5,12,1,1,11,26,33,7,3,6,1,17,7,1,5,12,1,11, - 2,4,1,8,14,17,23,1,2,1,7,8,16,11,9,6,5,2,6,4,16,2,8,14,1,11,8,9,1,1,1,9,25,4,11,19,7,2,15,2,12,8,52,7,5,19,2,16,4,36,8,1,16,8,24,26,4,6,2,9, - 5,4,36,3,28,12,25,15,37,27,17,12,59,38,5,32,127,1,2,9,17,14,4,1,2,1,1,8,11,50,4,14,2,19,16,4,17,5,4,5,26,12,45,2,23,45,104,30,12,8,3,10,2,2, - 3,3,1,4,20,7,2,9,6,15,2,20,1,3,16,4,11,15,6,134,2,5,59,1,2,2,2,1,9,17,3,26,137,10,211,59,1,2,4,1,4,1,1,1,2,6,2,3,1,1,2,3,2,3,1,3,4,4,2,3,3, - 1,4,3,1,7,2,2,3,1,2,1,3,3,3,2,2,3,2,1,3,14,6,1,3,2,9,6,15,27,9,34,145,1,1,2,1,1,1,1,2,1,1,1,1,2,2,2,3,1,2,1,1,1,2,3,5,8,3,5,2,4,1,3,2,2,2,12, - 4,1,1,1,10,4,5,1,20,4,16,1,15,9,5,12,2,9,2,5,4,2,26,19,7,1,26,4,30,12,15,42,1,6,8,172,1,1,4,2,1,1,11,2,2,4,2,1,2,1,10,8,1,2,1,4,5,1,2,5,1,8, - 4,1,3,4,2,1,6,2,1,3,4,1,2,1,1,1,1,12,5,7,2,4,3,1,1,1,3,3,6,1,2,2,3,3,3,2,1,2,12,14,11,6,6,4,12,2,8,1,7,10,1,35,7,4,13,15,4,3,23,21,28,52,5, - 26,5,6,1,7,10,2,7,53,3,2,1,1,1,2,163,532,1,10,11,1,3,3,4,8,2,8,6,2,2,23,22,4,2,2,4,2,1,3,1,3,3,5,9,8,2,1,2,8,1,10,2,12,21,20,15,105,2,3,1,1, - 3,2,3,1,1,2,5,1,4,15,11,19,1,1,1,1,5,4,5,1,1,2,5,3,5,12,1,2,5,1,11,1,1,15,9,1,4,5,3,26,8,2,1,3,1,1,15,19,2,12,1,2,5,2,7,2,19,2,20,6,26,7,5, - 2,2,7,34,21,13,70,2,128,1,1,2,1,1,2,1,1,3,2,2,2,15,1,4,1,3,4,42,10,6,1,49,85,8,1,2,1,1,4,4,2,3,6,1,5,7,4,3,211,4,1,2,1,2,5,1,2,4,2,2,6,5,6, - 10,3,4,48,100,6,2,16,296,5,27,387,2,2,3,7,16,8,5,38,15,39,21,9,10,3,7,59,13,27,21,47,5,21,6 - }; - static ImWchar base_ranges[] = // not zero-terminated - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x2000, 0x206F, // General Punctuation - 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana - 0x31F0, 0x31FF, // Katakana Phonetic Extensions - 0xFF00, 0xFFEF, // Half-width characters - 0xFFFD, 0xFFFD // Invalid - }; - 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() -{ - // 2999 ideograms code points for Japanese - // - 2136 Joyo (meaning "for regular use" or "for common use") Kanji code points - // - 863 Jinmeiyo (meaning "for personal name") Kanji code points - // - Sourced from the character information database of the Information-technology Promotion Agency, Japan - // - https://mojikiban.ipa.go.jp/mji/ - // - Available under the terms of the Creative Commons Attribution-ShareAlike 2.1 Japan (CC BY-SA 2.1 JP). - // - https://creativecommons.org/licenses/by-sa/2.1/jp/deed.en - // - https://creativecommons.org/licenses/by-sa/2.1/jp/legalcode - // - You can generate this code by the script at: - // - https://github.com/vaiorabbit/everyday_use_kanji - // - References: - // - List of Joyo Kanji - // - (Official list by the Agency for Cultural Affairs) https://www.bunka.go.jp/kokugo_nihongo/sisaku/joho/joho/kakuki/14/tosin02/index.html - // - (Wikipedia) https://en.wikipedia.org/wiki/List_of_j%C5%8Dy%C5%8D_kanji - // - List of Jinmeiyo Kanji - // - (Official list by the Ministry of Justice) http://www.moj.go.jp/MINJI/minji86.html - // - (Wikipedia) https://en.wikipedia.org/wiki/Jinmeiy%C5%8D_kanji - // - Missing 1 Joyo Kanji: U+20B9F (Kun'yomi: Shikaru, On'yomi: Shitsu,shichi), see https://github.com/ocornut/imgui/pull/3627 for details. - // You can use ImFontGlyphRangesBuilder to create your own ranges derived from this, by merging existing ranges or adding new characters. - // (Stored as accumulative offsets from the initial unicode codepoint 0x4E00. This encoding is designed to helps us compact the source code size.) - static const short accumulative_offsets_from_0x4E00[] = - { - 0,1,2,4,1,1,1,1,2,1,3,3,2,2,1,5,3,5,7,5,6,1,2,1,7,2,6,3,1,8,1,1,4,1,1,18,2,11,2,6,2,1,2,1,5,1,2,1,3,1,2,1,2,3,3,1,1,2,3,1,1,1,12,7,9,1,4,5,1, - 1,2,1,10,1,1,9,2,2,4,5,6,9,3,1,1,1,1,9,3,18,5,2,2,2,2,1,6,3,7,1,1,1,1,2,2,4,2,1,23,2,10,4,3,5,2,4,10,2,4,13,1,6,1,9,3,1,1,6,6,7,6,3,1,2,11,3, - 2,2,3,2,15,2,2,5,4,3,6,4,1,2,5,2,12,16,6,13,9,13,2,1,1,7,16,4,7,1,19,1,5,1,2,2,7,7,8,2,6,5,4,9,18,7,4,5,9,13,11,8,15,2,1,1,1,2,1,2,2,1,2,2,8, - 2,9,3,3,1,1,4,4,1,1,1,4,9,1,4,3,5,5,2,7,5,3,4,8,2,1,13,2,3,3,1,14,1,1,4,5,1,3,6,1,5,2,1,1,3,3,3,3,1,1,2,7,6,6,7,1,4,7,6,1,1,1,1,1,12,3,3,9,5, - 2,6,1,5,6,1,2,3,18,2,4,14,4,1,3,6,1,1,6,3,5,5,3,2,2,2,2,12,3,1,4,2,3,2,3,11,1,7,4,1,2,1,3,17,1,9,1,24,1,1,4,2,2,4,1,2,7,1,1,1,3,1,2,2,4,15,1, - 1,2,1,1,2,1,5,2,5,20,2,5,9,1,10,8,7,6,1,1,1,1,1,1,6,2,1,2,8,1,1,1,1,5,1,1,3,1,1,1,1,3,1,1,12,4,1,3,1,1,1,1,1,10,3,1,7,5,13,1,2,3,4,6,1,1,30, - 2,9,9,1,15,38,11,3,1,8,24,7,1,9,8,10,2,1,9,31,2,13,6,2,9,4,49,5,2,15,2,1,10,2,1,1,1,2,2,6,15,30,35,3,14,18,8,1,16,10,28,12,19,45,38,1,3,2,3, - 13,2,1,7,3,6,5,3,4,3,1,5,7,8,1,5,3,18,5,3,6,1,21,4,24,9,24,40,3,14,3,21,3,2,1,2,4,2,3,1,15,15,6,5,1,1,3,1,5,6,1,9,7,3,3,2,1,4,3,8,21,5,16,4, - 5,2,10,11,11,3,6,3,2,9,3,6,13,1,2,1,1,1,1,11,12,6,6,1,4,2,6,5,2,1,1,3,3,6,13,3,1,1,5,1,2,3,3,14,2,1,2,2,2,5,1,9,5,1,1,6,12,3,12,3,4,13,2,14, - 2,8,1,17,5,1,16,4,2,2,21,8,9,6,23,20,12,25,19,9,38,8,3,21,40,25,33,13,4,3,1,4,1,2,4,1,2,5,26,2,1,1,2,1,3,6,2,1,1,1,1,1,1,2,3,1,1,1,9,2,3,1,1, - 1,3,6,3,2,1,1,6,6,1,8,2,2,2,1,4,1,2,3,2,7,3,2,4,1,2,1,2,2,1,1,1,1,1,3,1,2,5,4,10,9,4,9,1,1,1,1,1,1,5,3,2,1,6,4,9,6,1,10,2,31,17,8,3,7,5,40,1, - 7,7,1,6,5,2,10,7,8,4,15,39,25,6,28,47,18,10,7,1,3,1,1,2,1,1,1,3,3,3,1,1,1,3,4,2,1,4,1,3,6,10,7,8,6,2,2,1,3,3,2,5,8,7,9,12,2,15,1,1,4,1,2,1,1, - 1,3,2,1,3,3,5,6,2,3,2,10,1,4,2,8,1,1,1,11,6,1,21,4,16,3,1,3,1,4,2,3,6,5,1,3,1,1,3,3,4,6,1,1,10,4,2,7,10,4,7,4,2,9,4,3,1,1,1,4,1,8,3,4,1,3,1, - 6,1,4,2,1,4,7,2,1,8,1,4,5,1,1,2,2,4,6,2,7,1,10,1,1,3,4,11,10,8,21,4,6,1,3,5,2,1,2,28,5,5,2,3,13,1,2,3,1,4,2,1,5,20,3,8,11,1,3,3,3,1,8,10,9,2, - 10,9,2,3,1,1,2,4,1,8,3,6,1,7,8,6,11,1,4,29,8,4,3,1,2,7,13,1,4,1,6,2,6,12,12,2,20,3,2,3,6,4,8,9,2,7,34,5,1,18,6,1,1,4,4,5,7,9,1,2,2,4,3,4,1,7, - 2,2,2,6,2,3,25,5,3,6,1,4,6,7,4,2,1,4,2,13,6,4,4,3,1,5,3,4,4,3,2,1,1,4,1,2,1,1,3,1,11,1,6,3,1,7,3,6,2,8,8,6,9,3,4,11,3,2,10,12,2,5,11,1,6,4,5, - 3,1,8,5,4,6,6,3,5,1,1,3,2,1,2,2,6,17,12,1,10,1,6,12,1,6,6,19,9,6,16,1,13,4,4,15,7,17,6,11,9,15,12,6,7,2,1,2,2,15,9,3,21,4,6,49,18,7,3,2,3,1, - 6,8,2,2,6,2,9,1,3,6,4,4,1,2,16,2,5,2,1,6,2,3,5,3,1,2,5,1,2,1,9,3,1,8,6,4,8,11,3,1,1,1,1,3,1,13,8,4,1,3,2,2,1,4,1,11,1,5,2,1,5,2,5,8,6,1,1,7, - 4,3,8,3,2,7,2,1,5,1,5,2,4,7,6,2,8,5,1,11,4,5,3,6,18,1,2,13,3,3,1,21,1,1,4,1,4,1,1,1,8,1,2,2,7,1,2,4,2,2,9,2,1,1,1,4,3,6,3,12,5,1,1,1,5,6,3,2, - 4,8,2,2,4,2,7,1,8,9,5,2,3,2,1,3,2,13,7,14,6,5,1,1,2,1,4,2,23,2,1,1,6,3,1,4,1,15,3,1,7,3,9,14,1,3,1,4,1,1,5,8,1,3,8,3,8,15,11,4,14,4,4,2,5,5, - 1,7,1,6,14,7,7,8,5,15,4,8,6,5,6,2,1,13,1,20,15,11,9,2,5,6,2,11,2,6,2,5,1,5,8,4,13,19,25,4,1,1,11,1,34,2,5,9,14,6,2,2,6,1,1,14,1,3,14,13,1,6, - 12,21,14,14,6,32,17,8,32,9,28,1,2,4,11,8,3,1,14,2,5,15,1,1,1,1,3,6,4,1,3,4,11,3,1,1,11,30,1,5,1,4,1,5,8,1,1,3,2,4,3,17,35,2,6,12,17,3,1,6,2, - 1,1,12,2,7,3,3,2,1,16,2,8,3,6,5,4,7,3,3,8,1,9,8,5,1,2,1,3,2,8,1,2,9,12,1,1,2,3,8,3,24,12,4,3,7,5,8,3,3,3,3,3,3,1,23,10,3,1,2,2,6,3,1,16,1,16, - 22,3,10,4,11,6,9,7,7,3,6,2,2,2,4,10,2,1,1,2,8,7,1,6,4,1,3,3,3,5,10,12,12,2,3,12,8,15,1,1,16,6,6,1,5,9,11,4,11,4,2,6,12,1,17,5,13,1,4,9,5,1,11, - 2,1,8,1,5,7,28,8,3,5,10,2,17,3,38,22,1,2,18,12,10,4,38,18,1,4,44,19,4,1,8,4,1,12,1,4,31,12,1,14,7,75,7,5,10,6,6,13,3,2,11,11,3,2,5,28,15,6,18, - 18,5,6,4,3,16,1,7,18,7,36,3,5,3,1,7,1,9,1,10,7,2,4,2,6,2,9,7,4,3,32,12,3,7,10,2,23,16,3,1,12,3,31,4,11,1,3,8,9,5,1,30,15,6,12,3,2,2,11,19,9, - 14,2,6,2,3,19,13,17,5,3,3,25,3,14,1,1,1,36,1,3,2,19,3,13,36,9,13,31,6,4,16,34,2,5,4,2,3,3,5,1,1,1,4,3,1,17,3,2,3,5,3,1,3,2,3,5,6,3,12,11,1,3, - 1,2,26,7,12,7,2,14,3,3,7,7,11,25,25,28,16,4,36,1,2,1,6,2,1,9,3,27,17,4,3,4,13,4,1,3,2,2,1,10,4,2,4,6,3,8,2,1,18,1,1,24,2,2,4,33,2,3,63,7,1,6, - 40,7,3,4,4,2,4,15,18,1,16,1,1,11,2,41,14,1,3,18,13,3,2,4,16,2,17,7,15,24,7,18,13,44,2,2,3,6,1,1,7,5,1,7,1,4,3,3,5,10,8,2,3,1,8,1,1,27,4,2,1, - 12,1,2,1,10,6,1,6,7,5,2,3,7,11,5,11,3,6,6,2,3,15,4,9,1,1,2,1,2,11,2,8,12,8,5,4,2,3,1,5,2,2,1,14,1,12,11,4,1,11,17,17,4,3,2,5,5,7,3,1,5,9,9,8, - 2,5,6,6,13,13,2,1,2,6,1,2,2,49,4,9,1,2,10,16,7,8,4,3,2,23,4,58,3,29,1,14,19,19,11,11,2,7,5,1,3,4,6,2,18,5,12,12,17,17,3,3,2,4,1,6,2,3,4,3,1, - 1,1,1,5,1,1,9,1,3,1,3,6,1,8,1,1,2,6,4,14,3,1,4,11,4,1,3,32,1,2,4,13,4,1,2,4,2,1,3,1,11,1,4,2,1,4,4,6,3,5,1,6,5,7,6,3,23,3,5,3,5,3,3,13,3,9,10, - 1,12,10,2,3,18,13,7,160,52,4,2,2,3,2,14,5,4,12,4,6,4,1,20,4,11,6,2,12,27,1,4,1,2,2,7,4,5,2,28,3,7,25,8,3,19,3,6,10,2,2,1,10,2,5,4,1,3,4,1,5, - 3,2,6,9,3,6,2,16,3,3,16,4,5,5,3,2,1,2,16,15,8,2,6,21,2,4,1,22,5,8,1,1,21,11,2,1,11,11,19,13,12,4,2,3,2,3,6,1,8,11,1,4,2,9,5,2,1,11,2,9,1,1,2, - 14,31,9,3,4,21,14,4,8,1,7,2,2,2,5,1,4,20,3,3,4,10,1,11,9,8,2,1,4,5,14,12,14,2,17,9,6,31,4,14,1,20,13,26,5,2,7,3,6,13,2,4,2,19,6,2,2,18,9,3,5, - 12,12,14,4,6,2,3,6,9,5,22,4,5,25,6,4,8,5,2,6,27,2,35,2,16,3,7,8,8,6,6,5,9,17,2,20,6,19,2,13,3,1,1,1,4,17,12,2,14,7,1,4,18,12,38,33,2,10,1,1, - 2,13,14,17,11,50,6,33,20,26,74,16,23,45,50,13,38,33,6,6,7,4,4,2,1,3,2,5,8,7,8,9,3,11,21,9,13,1,3,10,6,7,1,2,2,18,5,5,1,9,9,2,68,9,19,13,2,5, - 1,4,4,7,4,13,3,9,10,21,17,3,26,2,1,5,2,4,5,4,1,7,4,7,3,4,2,1,6,1,1,20,4,1,9,2,2,1,3,3,2,3,2,1,1,1,20,2,3,1,6,2,3,6,2,4,8,1,3,2,10,3,5,3,4,4, - 3,4,16,1,6,1,10,2,4,2,1,1,2,10,11,2,2,3,1,24,31,4,10,10,2,5,12,16,164,15,4,16,7,9,15,19,17,1,2,1,1,5,1,1,1,1,1,3,1,4,3,1,3,1,3,1,2,1,1,3,3,7, - 2,8,1,2,2,2,1,3,4,3,7,8,12,92,2,10,3,1,3,14,5,25,16,42,4,7,7,4,2,21,5,27,26,27,21,25,30,31,2,1,5,13,3,22,5,6,6,11,9,12,1,5,9,7,5,5,22,60,3,5, - 13,1,1,8,1,1,3,3,2,1,9,3,3,18,4,1,2,3,7,6,3,1,2,3,9,1,3,1,3,2,1,3,1,1,1,2,1,11,3,1,6,9,1,3,2,3,1,2,1,5,1,1,4,3,4,1,2,2,4,4,1,7,2,1,2,2,3,5,13, - 18,3,4,14,9,9,4,16,3,7,5,8,2,6,48,28,3,1,1,4,2,14,8,2,9,2,1,15,2,4,3,2,10,16,12,8,7,1,1,3,1,1,1,2,7,4,1,6,4,38,39,16,23,7,15,15,3,2,12,7,21, - 37,27,6,5,4,8,2,10,8,8,6,5,1,2,1,3,24,1,16,17,9,23,10,17,6,1,51,55,44,13,294,9,3,6,2,4,2,2,15,1,1,1,13,21,17,68,14,8,9,4,1,4,9,3,11,7,1,1,1, - 5,6,3,2,1,1,1,2,3,8,1,2,2,4,1,5,5,2,1,4,3,7,13,4,1,4,1,3,1,1,1,5,5,10,1,6,1,5,2,1,5,2,4,1,4,5,7,3,18,2,9,11,32,4,3,3,2,4,7,11,16,9,11,8,13,38, - 32,8,4,2,1,1,2,1,2,4,4,1,1,1,4,1,21,3,11,1,16,1,1,6,1,3,2,4,9,8,57,7,44,1,3,3,13,3,10,1,1,7,5,2,7,21,47,63,3,15,4,7,1,16,1,1,2,8,2,3,42,15,4, - 1,29,7,22,10,3,78,16,12,20,18,4,67,11,5,1,3,15,6,21,31,32,27,18,13,71,35,5,142,4,10,1,2,50,19,33,16,35,37,16,19,27,7,1,133,19,1,4,8,7,20,1,4, - 4,1,10,3,1,6,1,2,51,5,40,15,24,43,22928,11,1,13,154,70,3,1,1,7,4,10,1,2,1,1,2,1,2,1,2,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1, - 3,2,1,1,1,1,2,1,1, - }; - static ImWchar base_ranges[] = // not zero-terminated - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x3000, 0x30FF, // CJK Symbols and Punctuations, Hiragana, Katakana - 0x31F0, 0x31FF, // Katakana Phonetic Extensions - 0xFF00, 0xFFEF, // Half-width characters - 0xFFFD, 0xFFFD // Invalid - }; - static ImWchar full_ranges[IM_ARRAYSIZE(base_ranges) + IM_ARRAYSIZE(accumulative_offsets_from_0x4E00)*2 + 1] = { 0 }; - if (!full_ranges[0]) - { - memcpy(full_ranges, base_ranges, sizeof(base_ranges)); - UnpackAccumulativeOffsetsIntoRanges(0x4E00, accumulative_offsets_from_0x4E00, IM_ARRAYSIZE(accumulative_offsets_from_0x4E00), full_ranges + IM_ARRAYSIZE(base_ranges)); - } - return &full_ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesCyrillic() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin + Latin Supplement - 0x0400, 0x052F, // Cyrillic + Cyrillic Supplement - 0x2DE0, 0x2DFF, // Cyrillic Extended-A - 0xA640, 0xA69F, // Cyrillic Extended-B - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesThai() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin - 0x2010, 0x205E, // Punctuations - 0x0E00, 0x0E7F, // Thai - 0, - }; - return &ranges[0]; -} - -const ImWchar* ImFontAtlas::GetGlyphRangesVietnamese() -{ - static const ImWchar ranges[] = - { - 0x0020, 0x00FF, // Basic Latin - 0x0102, 0x0103, - 0x0110, 0x0111, - 0x0128, 0x0129, - 0x0168, 0x0169, - 0x01A0, 0x01A1, - 0x01AF, 0x01B0, - 0x1EA0, 0x1EF9, - 0, - }; - return &ranges[0]; -} - -//----------------------------------------------------------------------------- -// [SECTION] ImFontGlyphRangesBuilder -//----------------------------------------------------------------------------- - -void ImFontGlyphRangesBuilder::AddText(const char* text, const char* text_end) -{ - while (text_end ? (text < text_end) : *text) - { - unsigned int c = 0; - int c_len = ImTextCharFromUtf8(&c, text, text_end); - text += c_len; - if (c_len == 0) - break; - AddChar((ImWchar)c); - } -} - -void ImFontGlyphRangesBuilder::AddRanges(const ImWchar* ranges) -{ - for (; ranges[0]; ranges += 2) - for (unsigned int c = ranges[0]; c <= ranges[1] && c <= IM_UNICODE_CODEPOINT_MAX; c++) //-V560 - AddChar((ImWchar)c); -} - -void ImFontGlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges) -{ - const int max_codepoint = IM_UNICODE_CODEPOINT_MAX; - for (int n = 0; n <= max_codepoint; n++) - if (GetBit(n)) - { - out_ranges->push_back((ImWchar)n); - while (n < max_codepoint && GetBit(n + 1)) - n++; - out_ranges->push_back((ImWchar)n); - } - out_ranges->push_back(0); -} - -//----------------------------------------------------------------------------- -// [SECTION] ImFont -//----------------------------------------------------------------------------- - -ImFont::ImFont() -{ - FontSize = 0.0f; - FallbackAdvanceX = 0.0f; - FallbackChar = (ImWchar)-1; - EllipsisChar = (ImWchar)-1; - DotChar = (ImWchar)-1; - FallbackGlyph = NULL; - ContainerAtlas = NULL; - ConfigData = NULL; - ConfigDataCount = 0; - DirtyLookupTables = false; - Scale = 1.0f; - Ascent = Descent = 0.0f; - MetricsTotalSurface = 0; - memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); -} - -ImFont::~ImFont() -{ - ClearOutputData(); -} - -void ImFont::ClearOutputData() -{ - FontSize = 0.0f; - FallbackAdvanceX = 0.0f; - Glyphs.clear(); - IndexAdvanceX.clear(); - IndexLookup.clear(); - FallbackGlyph = NULL; - ContainerAtlas = NULL; - DirtyLookupTables = true; - Ascent = Descent = 0.0f; - MetricsTotalSurface = 0; -} - -static ImWchar FindFirstExistingGlyph(ImFont* font, const ImWchar* candidate_chars, int candidate_chars_count) -{ - for (int n = 0; n < candidate_chars_count; n++) - if (font->FindGlyphNoFallback(candidate_chars[n]) != NULL) - return candidate_chars[n]; - return (ImWchar)-1; -} - -void ImFont::BuildLookupTable() -{ - int max_codepoint = 0; - for (int i = 0; i != Glyphs.Size; i++) - max_codepoint = ImMax(max_codepoint, (int)Glyphs[i].Codepoint); - - // Build lookup table - IM_ASSERT(Glyphs.Size < 0xFFFF); // -1 is reserved - IndexAdvanceX.clear(); - IndexLookup.clear(); - DirtyLookupTables = false; - memset(Used4kPagesMap, 0, sizeof(Used4kPagesMap)); - GrowIndex(max_codepoint + 1); - for (int i = 0; i < Glyphs.Size; i++) - { - int codepoint = (int)Glyphs[i].Codepoint; - IndexAdvanceX[codepoint] = Glyphs[i].AdvanceX; - IndexLookup[codepoint] = (ImWchar)i; - - // Mark 4K page as used - const int page_n = codepoint / 4096; - Used4kPagesMap[page_n >> 3] |= 1 << (page_n & 7); - } - - // Create a glyph to handle TAB - // FIXME: Needs proper TAB handling but it needs to be contextualized (or we could arbitrary say that each string starts at "column 0" ?) - if (FindGlyph((ImWchar)' ')) - { - if (Glyphs.back().Codepoint != '\t') // So we can call this function multiple times (FIXME: Flaky) - Glyphs.resize(Glyphs.Size + 1); - ImFontGlyph& tab_glyph = Glyphs.back(); - tab_glyph = *FindGlyph((ImWchar)' '); - tab_glyph.Codepoint = '\t'; - tab_glyph.AdvanceX *= IM_TABSIZE; - IndexAdvanceX[(int)tab_glyph.Codepoint] = (float)tab_glyph.AdvanceX; - IndexLookup[(int)tab_glyph.Codepoint] = (ImWchar)(Glyphs.Size - 1); - } - - // Mark special glyphs as not visible (note that AddGlyph already mark as non-visible glyphs with zero-size polygons) - SetGlyphVisible((ImWchar)' ', false); - SetGlyphVisible((ImWchar)'\t', false); - - // Ellipsis character is required for rendering elided text. We prefer using U+2026 (horizontal ellipsis). - // However some old fonts may contain ellipsis at U+0085. Here we auto-detect most suitable ellipsis character. - // FIXME: Note that 0x2026 is rarely included in our font ranges. Because of this we are more likely to use three individual dots. - const ImWchar ellipsis_chars[] = { (ImWchar)0x2026, (ImWchar)0x0085 }; - const ImWchar dots_chars[] = { (ImWchar)'.', (ImWchar)0xFF0E }; - if (EllipsisChar == (ImWchar)-1) - EllipsisChar = FindFirstExistingGlyph(this, ellipsis_chars, IM_ARRAYSIZE(ellipsis_chars)); - if (DotChar == (ImWchar)-1) - DotChar = FindFirstExistingGlyph(this, dots_chars, IM_ARRAYSIZE(dots_chars)); - - // Setup fallback character - const ImWchar fallback_chars[] = { (ImWchar)IM_UNICODE_CODEPOINT_INVALID, (ImWchar)'?', (ImWchar)' ' }; - FallbackGlyph = FindGlyphNoFallback(FallbackChar); - if (FallbackGlyph == NULL) - { - FallbackChar = FindFirstExistingGlyph(this, fallback_chars, IM_ARRAYSIZE(fallback_chars)); - FallbackGlyph = FindGlyphNoFallback(FallbackChar); - if (FallbackGlyph == NULL) - { - FallbackGlyph = &Glyphs.back(); - FallbackChar = (ImWchar)FallbackGlyph->Codepoint; - } - } - - FallbackAdvanceX = FallbackGlyph->AdvanceX; - for (int i = 0; i < max_codepoint + 1; i++) - if (IndexAdvanceX[i] < 0.0f) - IndexAdvanceX[i] = FallbackAdvanceX; -} - -// API is designed this way to avoid exposing the 4K page size -// e.g. use with IsGlyphRangeUnused(0, 255) -bool ImFont::IsGlyphRangeUnused(unsigned int c_begin, unsigned int c_last) -{ - unsigned int page_begin = (c_begin / 4096); - unsigned int page_last = (c_last / 4096); - for (unsigned int page_n = page_begin; page_n <= page_last; page_n++) - if ((page_n >> 3) < sizeof(Used4kPagesMap)) - if (Used4kPagesMap[page_n >> 3] & (1 << (page_n & 7))) - return false; - return true; -} - -void ImFont::SetGlyphVisible(ImWchar c, bool visible) -{ - if (ImFontGlyph* glyph = (ImFontGlyph*)(void*)FindGlyph((ImWchar)c)) - glyph->Visible = visible ? 1 : 0; -} - -void ImFont::GrowIndex(int new_size) -{ - IM_ASSERT(IndexAdvanceX.Size == IndexLookup.Size); - if (new_size <= IndexLookup.Size) - return; - IndexAdvanceX.resize(new_size, -1.0f); - IndexLookup.resize(new_size, (ImWchar)-1); -} - -// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero. -// Not to be mistaken with texture coordinates, which are held by u0/v0/u1/v1 in normalized format (0.0..1.0 on each texture axis). -// 'cfg' is not necessarily == 'this->ConfigData' because multiple source fonts+configs can be used to build one target font. -void ImFont::AddGlyph(const ImFontConfig* cfg, ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x) -{ - if (cfg != NULL) - { - // Clamp & recenter if needed - const float advance_x_original = advance_x; - advance_x = ImClamp(advance_x, cfg->GlyphMinAdvanceX, cfg->GlyphMaxAdvanceX); - if (advance_x != advance_x_original) - { - float char_off_x = cfg->PixelSnapH ? ImFloor((advance_x - advance_x_original) * 0.5f) : (advance_x - advance_x_original) * 0.5f; - x0 += char_off_x; - x1 += char_off_x; - } - - // Snap to pixel - if (cfg->PixelSnapH) - advance_x = IM_ROUND(advance_x); - - // Bake spacing - advance_x += cfg->GlyphExtraSpacing.x; - } - - Glyphs.resize(Glyphs.Size + 1); - ImFontGlyph& glyph = Glyphs.back(); - glyph.Codepoint = (unsigned int)codepoint; - glyph.Visible = (x0 != x1) && (y0 != y1); - glyph.Colored = false; - 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; - - // Compute rough surface usage metrics (+1 to account for average padding, +0.99 to round) - // We use (U1-U0)*TexWidth instead of X1-X0 to account for oversampling. - float pad = ContainerAtlas->TexGlyphPadding + 0.99f; - DirtyLookupTables = true; - MetricsTotalSurface += (int)((glyph.U1 - glyph.U0) * ContainerAtlas->TexWidth + pad) * (int)((glyph.V1 - glyph.V0) * ContainerAtlas->TexHeight + pad); -} - -void ImFont::AddRemapChar(ImWchar dst, ImWchar src, bool overwrite_dst) -{ - IM_ASSERT(IndexLookup.Size > 0); // Currently this can only be called AFTER the font has been built, aka after calling ImFontAtlas::GetTexDataAs*() function. - unsigned int index_size = (unsigned int)IndexLookup.Size; - - if (dst < index_size && IndexLookup.Data[dst] == (ImWchar)-1 && !overwrite_dst) // 'dst' already exists - return; - if (src >= index_size && dst >= index_size) // both 'dst' and 'src' don't exist -> no-op - return; - - GrowIndex(dst + 1); - IndexLookup[dst] = (src < index_size) ? IndexLookup.Data[src] : (ImWchar)-1; - IndexAdvanceX[dst] = (src < index_size) ? IndexAdvanceX.Data[src] : 1.0f; -} - -const ImFontGlyph* ImFont::FindGlyph(ImWchar c) const -{ - if (c >= (size_t)IndexLookup.Size) - return FallbackGlyph; - const ImWchar i = IndexLookup.Data[c]; - if (i == (ImWchar)-1) - return FallbackGlyph; - return &Glyphs.Data[i]; -} - -const ImFontGlyph* ImFont::FindGlyphNoFallback(ImWchar c) const -{ - if (c >= (size_t)IndexLookup.Size) - return NULL; - const ImWchar i = IndexLookup.Data[c]; - if (i == (ImWchar)-1) - return NULL; - return &Glyphs.Data[i]; -} - -const char* ImFont::CalcWordWrapPositionA(float scale, const char* text, const char* text_end, float wrap_width) const -{ - // Simple word-wrapping for English, not full-featured. Please submit failing cases! - // FIXME: Much possible improvements (don't cut things like "word !", "word!!!" but cut within "word,,,,", more sensible support for punctuations, support for Unicode punctuations, etc.) - - // For references, possible wrap point marked with ^ - // "aaa bbb, ccc,ddd. eee fff. ggg!" - // ^ ^ ^ ^ ^__ ^ ^ - - // List of hardcoded separators: .,;!?'" - - // Skip extra blanks after a line returns (that includes not counting them in width computation) - // e.g. "Hello world" --> "Hello" "World" - - // Cut words that cannot possibly fit within one line. - // e.g.: "The tropical fish" with ~5 characters worth of width --> "The tr" "opical" "fish" - - float line_width = 0.0f; - float word_width = 0.0f; - float blank_width = 0.0f; - wrap_width /= scale; // We work with unscaled widths to avoid scaling every characters - - const char* word_end = text; - const char* prev_word_end = NULL; - bool inside_word = true; - - const char* s = text; - while (s < text_end) - { - unsigned int c = (unsigned int)*s; - const char* next_s; - if (c < 0x80) - next_s = s + 1; - else - next_s = s + ImTextCharFromUtf8(&c, s, text_end); - if (c == 0) - break; - - if (c < 32) - { - if (c == '\n') - { - line_width = word_width = blank_width = 0.0f; - inside_word = true; - s = next_s; - continue; - } - if (c == '\r') - { - s = next_s; - continue; - } - } - - const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX); - if (ImCharIsBlankW(c)) - { - if (inside_word) - { - line_width += blank_width; - blank_width = 0.0f; - word_end = s; - } - blank_width += char_width; - inside_word = false; - } - else - { - word_width += char_width; - if (inside_word) - { - word_end = next_s; - } - else - { - prev_word_end = word_end; - line_width += word_width + blank_width; - word_width = blank_width = 0.0f; - } - - // Allow wrapping after punctuation. - inside_word = (c != '.' && c != ',' && c != ';' && c != '!' && c != '?' && c != '\"'); - } - - // We ignore blank width at the end of the line (they can be skipped) - if (line_width + word_width > wrap_width) - { - // Words that cannot possibly fit within an entire line will be cut anywhere. - if (word_width < wrap_width) - s = prev_word_end ? prev_word_end : word_end; - break; - } - - s = next_s; - } - - return s; -} - -ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, const char* text_begin, const char* text_end, const char** remaining) const -{ - if (!text_end) - text_end = text_begin + strlen(text_begin); // FIXME-OPT: Need to avoid this. - - const float line_height = size; - const float scale = size / FontSize; - - ImVec2 text_size = ImVec2(0, 0); - float line_width = 0.0f; - - const bool word_wrap_enabled = (wrap_width > 0.0f); - const char* word_wrap_eol = NULL; - - const char* s = text_begin; - while (s < text_end) - { - if (word_wrap_enabled) - { - // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature. - if (!word_wrap_eol) - { - word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - line_width); - if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. - word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below - } - - if (s >= word_wrap_eol) - { - if (text_size.x < line_width) - text_size.x = line_width; - text_size.y += line_height; - line_width = 0.0f; - word_wrap_eol = NULL; - - // Wrapping skips upcoming blanks - while (s < text_end) - { - const char c = *s; - if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } - } - continue; - } - } - - // Decode and advance source - const char* prev_s = s; - unsigned int c = (unsigned int)*s; - if (c < 0x80) - { - s += 1; - } - else - { - s += ImTextCharFromUtf8(&c, s, text_end); - if (c == 0) // Malformed UTF-8? - break; - } - - if (c < 32) - { - if (c == '\n') - { - text_size.x = ImMax(text_size.x, line_width); - text_size.y += line_height; - line_width = 0.0f; - continue; - } - if (c == '\r') - continue; - } - - const float char_width = ((int)c < IndexAdvanceX.Size ? IndexAdvanceX.Data[c] : FallbackAdvanceX) * scale; - if (line_width + char_width >= max_width) - { - s = prev_s; - break; - } - - line_width += char_width; - } - - if (text_size.x < line_width) - text_size.x = line_width; - - if (line_width > 0 || text_size.y == 0.0f) - text_size.y += line_height; - - if (remaining) - *remaining = s; - - return text_size; -} - -// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound. -void ImFont::RenderChar(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, ImWchar c) const -{ - const ImFontGlyph* glyph = FindGlyph(c); - if (!glyph || !glyph->Visible) - return; - if (glyph->Colored) - col |= ~IM_COL32_A_MASK; - float scale = (size >= 0.0f) ? (size / FontSize) : 1.0f; - pos.x = IM_FLOOR(pos.x); - pos.y = IM_FLOOR(pos.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); -} - -// Note: as with every ImDrawList drawing function, this expects that the font atlas texture is bound. -void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col, const ImVec4& clip_rect, const char* text_begin, const char* text_end, float wrap_width, bool cpu_fine_clip) const -{ - if (!text_end) - text_end = text_begin + strlen(text_begin); // ImGui:: functions generally already provides a valid text_end, so this is merely to handle direct calls. - - // Align to be pixel perfect - pos.x = IM_FLOOR(pos.x); - pos.y = IM_FLOOR(pos.y); - float x = pos.x; - float y = pos.y; - if (y > clip_rect.w) - return; - - const float scale = size / FontSize; - const float line_height = FontSize * scale; - const bool word_wrap_enabled = (wrap_width > 0.0f); - const char* word_wrap_eol = NULL; - - // Fast-forward to first visible line - const char* s = text_begin; - if (y + line_height < clip_rect.y && !word_wrap_enabled) - while (y + line_height < clip_rect.y && s < text_end) - { - s = (const char*)memchr(s, '\n', text_end - s); - s = s ? s + 1 : text_end; - y += line_height; - } - - // For large text, scan for the last visible line in order to avoid over-reserving in the call to PrimReserve() - // Note that very large horizontal line will still be affected by the issue (e.g. a one megabyte string buffer without a newline will likely crash atm) - if (text_end - s > 10000 && !word_wrap_enabled) - { - const char* s_end = s; - float y_end = y; - while (y_end < clip_rect.w && s_end < text_end) - { - s_end = (const char*)memchr(s_end, '\n', text_end - s_end); - s_end = s_end ? s_end + 1 : text_end; - y_end += line_height; - } - text_end = s_end; - } - if (s == text_end) - return; - - // Reserve vertices for remaining worse case (over-reserving is useful and easily amortized) - const int vtx_count_max = (int)(text_end - s) * 4; - const int idx_count_max = (int)(text_end - s) * 6; - const int idx_expected_size = draw_list->IdxBuffer.Size + idx_count_max; - draw_list->PrimReserve(idx_count_max, vtx_count_max); - - ImDrawVert* vtx_write = draw_list->_VtxWritePtr; - ImDrawIdx* idx_write = draw_list->_IdxWritePtr; - unsigned int vtx_current_idx = draw_list->_VtxCurrentIdx; - - const ImU32 col_untinted = col | ~IM_COL32_A_MASK; - - while (s < text_end) - { - if (word_wrap_enabled) - { - // Calculate how far we can render. Requires two passes on the string data but keeps the code simple and not intrusive for what's essentially an uncommon feature. - if (!word_wrap_eol) - { - word_wrap_eol = CalcWordWrapPositionA(scale, s, text_end, wrap_width - (x - pos.x)); - if (word_wrap_eol == s) // Wrap_width is too small to fit anything. Force displaying 1 character to minimize the height discontinuity. - word_wrap_eol++; // +1 may not be a character start point in UTF-8 but it's ok because we use s >= word_wrap_eol below - } - - if (s >= word_wrap_eol) - { - x = pos.x; - y += line_height; - word_wrap_eol = NULL; - - // Wrapping skips upcoming blanks - while (s < text_end) - { - const char c = *s; - if (ImCharIsBlankA(c)) { s++; } else if (c == '\n') { s++; break; } else { break; } - } - continue; - } - } - - // Decode and advance source - unsigned int c = (unsigned int)*s; - if (c < 0x80) - { - s += 1; - } - else - { - s += ImTextCharFromUtf8(&c, s, text_end); - if (c == 0) // Malformed UTF-8? - break; - } - - if (c < 32) - { - if (c == '\n') - { - x = pos.x; - y += line_height; - if (y > clip_rect.w) - break; // break out of main loop - continue; - } - if (c == '\r') - continue; - } - - const ImFontGlyph* glyph = FindGlyph((ImWchar)c); - if (glyph == NULL) - continue; - - float char_width = glyph->AdvanceX * scale; - if (glyph->Visible) - { - // We don't do a second finer clipping test on the Y axis as we've already skipped anything before clip_rect.y and exit once we pass clip_rect.w - float x1 = x + glyph->X0 * scale; - float x2 = x + glyph->X1 * scale; - float y1 = y + glyph->Y0 * scale; - float y2 = y + glyph->Y1 * scale; - if (x1 <= clip_rect.z && x2 >= clip_rect.x) - { - // Render a character - float u1 = glyph->U0; - float v1 = glyph->V0; - float u2 = glyph->U1; - float v2 = glyph->V1; - - // CPU side clipping used to fit text in their frame when the frame is too small. Only does clipping for axis aligned quads. - if (cpu_fine_clip) - { - if (x1 < clip_rect.x) - { - u1 = u1 + (1.0f - (x2 - clip_rect.x) / (x2 - x1)) * (u2 - u1); - x1 = clip_rect.x; - } - if (y1 < clip_rect.y) - { - v1 = v1 + (1.0f - (y2 - clip_rect.y) / (y2 - y1)) * (v2 - v1); - y1 = clip_rect.y; - } - if (x2 > clip_rect.z) - { - u2 = u1 + ((clip_rect.z - x1) / (x2 - x1)) * (u2 - u1); - x2 = clip_rect.z; - } - if (y2 > clip_rect.w) - { - v2 = v1 + ((clip_rect.w - y1) / (y2 - y1)) * (v2 - v1); - y2 = clip_rect.w; - } - if (y1 >= y2) - { - x += char_width; - continue; - } - } - - // Support for untinted glyphs - ImU32 glyph_col = glyph->Colored ? col_untinted : col; - - // 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 = glyph_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 = glyph_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 = glyph_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 = glyph_col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2; - vtx_write += 4; - vtx_current_idx += 4; - idx_write += 6; - } - } - } - x += char_width; - } - - // Give back unused vertices (clipped ones, blanks) ~ this is essentially a PrimUnreserve() action. - draw_list->VtxBuffer.Size = (int)(vtx_write - draw_list->VtxBuffer.Data); // Same as calling shrink() - draw_list->IdxBuffer.Size = (int)(idx_write - draw_list->IdxBuffer.Data); - draw_list->CmdBuffer[draw_list->CmdBuffer.Size - 1].ElemCount -= (idx_expected_size - draw_list->IdxBuffer.Size); - draw_list->_VtxWritePtr = vtx_write; - draw_list->_IdxWritePtr = idx_write; - draw_list->_VtxCurrentIdx = vtx_current_idx; -} - -//----------------------------------------------------------------------------- -// [SECTION] ImGui Internal Render Helpers -//----------------------------------------------------------------------------- -// Vaguely redesigned to stop accessing ImGui global state: -// - RenderArrow() -// - RenderBullet() -// - RenderCheckMark() -// - RenderArrowPointingAt() -// - RenderRectFilledRangeH() -// - RenderRectFilledWithHole() -//----------------------------------------------------------------------------- -// Function in need of a redesign (legacy mess) -// - RenderColorRectWithAlphaCheckerboard() -//----------------------------------------------------------------------------- - -// Render an arrow aimed to be aligned with text (p_min is a position in the same space text would be positioned). To e.g. denote expanded/collapsed state -void ImGui::RenderArrow(ImDrawList* draw_list, ImVec2 pos, ImU32 col, ImGuiDir dir, float scale) -{ - const float h = draw_list->_Data->FontSize * 1.00f; - float r = h * 0.40f * scale; - ImVec2 center = pos + ImVec2(h * 0.50f, h * 0.50f * scale); - - ImVec2 a, b, c; - switch (dir) - { - case ImGuiDir_Up: - case ImGuiDir_Down: - if (dir == ImGuiDir_Up) r = -r; - a = ImVec2(+0.000f, +0.750f) * r; - b = ImVec2(-0.866f, -0.750f) * r; - c = ImVec2(+0.866f, -0.750f) * r; - break; - case ImGuiDir_Left: - case ImGuiDir_Right: - if (dir == ImGuiDir_Left) r = -r; - a = ImVec2(+0.750f, +0.000f) * r; - b = ImVec2(-0.750f, +0.866f) * r; - c = ImVec2(-0.750f, -0.866f) * r; - break; - case ImGuiDir_None: - case ImGuiDir_COUNT: - IM_ASSERT(0); - break; - } - draw_list->AddTriangleFilled(center + a, center + b, center + c, col); -} - -void ImGui::RenderBullet(ImDrawList* draw_list, ImVec2 pos, ImU32 col) -{ - draw_list->AddCircleFilled(pos, draw_list->_Data->FontSize * 0.20f, col, 8); -} - -void ImGui::RenderCheckMark(ImDrawList* draw_list, ImVec2 pos, ImU32 col, float sz) -{ - float thickness = ImMax(sz / 5.0f, 1.0f); - sz -= thickness * 0.5f; - pos += ImVec2(thickness * 0.25f, thickness * 0.25f); - - float third = sz / 3.0f; - float bx = pos.x + third; - float by = pos.y + sz - third * 0.5f; - draw_list->PathLineTo(ImVec2(bx - third, by - third)); - draw_list->PathLineTo(ImVec2(bx, by)); - draw_list->PathLineTo(ImVec2(bx + third * 2.0f, by - third * 2.0f)); - draw_list->PathStroke(col, 0, thickness); -} - -// Render an arrow. 'pos' is position of the arrow tip. half_sz.x is length from base to tip. half_sz.y is length on each side. -void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col) -{ - switch (direction) - { - case ImGuiDir_Left: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), pos, col); return; - case ImGuiDir_Right: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), pos, col); return; - case ImGuiDir_Up: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), pos, col); return; - case ImGuiDir_Down: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), pos, col); return; - case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings - } -} - -static inline float ImAcos01(float x) -{ - if (x <= 0.0f) return IM_PI * 0.5f; - if (x >= 1.0f) return 0.0f; - return ImAcos(x); - //return (-0.69813170079773212f * x * x - 0.87266462599716477f) * x + 1.5707963267948966f; // Cheap approximation, may be enough for what we do. -} - -// FIXME: Cleanup and move code to ImDrawList. -void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, ImU32 col, float x_start_norm, float x_end_norm, float rounding) -{ - if (x_end_norm == x_start_norm) - return; - if (x_start_norm > x_end_norm) - ImSwap(x_start_norm, x_end_norm); - - ImVec2 p0 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_start_norm), rect.Min.y); - ImVec2 p1 = ImVec2(ImLerp(rect.Min.x, rect.Max.x, x_end_norm), rect.Max.y); - if (rounding == 0.0f) - { - draw_list->AddRectFilled(p0, p1, col, 0.0f); - return; - } - - rounding = ImClamp(ImMin((rect.Max.x - rect.Min.x) * 0.5f, (rect.Max.y - rect.Min.y) * 0.5f) - 1.0f, 0.0f, rounding); - const float inv_rounding = 1.0f / rounding; - const float arc0_b = ImAcos01(1.0f - (p0.x - rect.Min.x) * inv_rounding); - const float arc0_e = ImAcos01(1.0f - (p1.x - rect.Min.x) * inv_rounding); - const float half_pi = IM_PI * 0.5f; // We will == compare to this because we know this is the exact value ImAcos01 can return. - const float x0 = ImMax(p0.x, rect.Min.x + rounding); - if (arc0_b == arc0_e) - { - draw_list->PathLineTo(ImVec2(x0, p1.y)); - draw_list->PathLineTo(ImVec2(x0, p0.y)); - } - else if (arc0_b == 0.0f && arc0_e == half_pi) - { - draw_list->PathArcToFast(ImVec2(x0, p1.y - rounding), rounding, 3, 6); // BL - draw_list->PathArcToFast(ImVec2(x0, p0.y + rounding), rounding, 6, 9); // TR - } - else - { - draw_list->PathArcTo(ImVec2(x0, p1.y - rounding), rounding, IM_PI - arc0_e, IM_PI - arc0_b, 3); // BL - draw_list->PathArcTo(ImVec2(x0, p0.y + rounding), rounding, IM_PI + arc0_b, IM_PI + arc0_e, 3); // TR - } - if (p1.x > rect.Min.x + rounding) - { - const float arc1_b = ImAcos01(1.0f - (rect.Max.x - p1.x) * inv_rounding); - const float arc1_e = ImAcos01(1.0f - (rect.Max.x - p0.x) * inv_rounding); - const float x1 = ImMin(p1.x, rect.Max.x - rounding); - if (arc1_b == arc1_e) - { - draw_list->PathLineTo(ImVec2(x1, p0.y)); - draw_list->PathLineTo(ImVec2(x1, p1.y)); - } - else if (arc1_b == 0.0f && arc1_e == half_pi) - { - draw_list->PathArcToFast(ImVec2(x1, p0.y + rounding), rounding, 9, 12); // TR - draw_list->PathArcToFast(ImVec2(x1, p1.y - rounding), rounding, 0, 3); // BR - } - else - { - draw_list->PathArcTo(ImVec2(x1, p0.y + rounding), rounding, -arc1_e, -arc1_b, 3); // TR - draw_list->PathArcTo(ImVec2(x1, p1.y - rounding), rounding, +arc1_b, +arc1_e, 3); // BR - } - } - draw_list->PathFillConvex(col); -} - -void ImGui::RenderRectFilledWithHole(ImDrawList* draw_list, ImRect outer, ImRect inner, ImU32 col, float rounding) -{ - const bool fill_L = (inner.Min.x > outer.Min.x); - const bool fill_R = (inner.Max.x < outer.Max.x); - const bool fill_U = (inner.Min.y > outer.Min.y); - const bool fill_D = (inner.Max.y < outer.Max.y); - if (fill_L) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Min.y), ImVec2(inner.Min.x, inner.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomLeft)); - if (fill_R) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Min.y), ImVec2(outer.Max.x, inner.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_U ? 0 : ImDrawFlags_RoundCornersTopRight) | (fill_D ? 0 : ImDrawFlags_RoundCornersBottomRight)); - if (fill_U) draw_list->AddRectFilled(ImVec2(inner.Min.x, outer.Min.y), ImVec2(inner.Max.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersTopLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersTopRight)); - if (fill_D) draw_list->AddRectFilled(ImVec2(inner.Min.x, inner.Max.y), ImVec2(inner.Max.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersNone | (fill_L ? 0 : ImDrawFlags_RoundCornersBottomLeft) | (fill_R ? 0 : ImDrawFlags_RoundCornersBottomRight)); - if (fill_L && fill_U) draw_list->AddRectFilled(ImVec2(outer.Min.x, outer.Min.y), ImVec2(inner.Min.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopLeft); - if (fill_R && fill_U) draw_list->AddRectFilled(ImVec2(inner.Max.x, outer.Min.y), ImVec2(outer.Max.x, inner.Min.y), col, rounding, ImDrawFlags_RoundCornersTopRight); - if (fill_L && fill_D) draw_list->AddRectFilled(ImVec2(outer.Min.x, inner.Max.y), ImVec2(inner.Min.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomLeft); - if (fill_R && fill_D) draw_list->AddRectFilled(ImVec2(inner.Max.x, inner.Max.y), ImVec2(outer.Max.x, outer.Max.y), col, rounding, ImDrawFlags_RoundCornersBottomRight); -} - -// Helper for ColorPicker4() -// NB: This is rather brittle and will show artifact when rounding this enabled if rounded corners overlap multiple cells. Caller currently responsible for avoiding that. -// Spent a non reasonable amount of time trying to getting this right for ColorButton with rounding+anti-aliasing+ImGuiColorEditFlags_HalfAlphaPreview flag + various grid sizes and offsets, and eventually gave up... probably more reasonable to disable rounding altogether. -// FIXME: uses ImGui::GetColorU32 -void ImGui::RenderColorRectWithAlphaCheckerboard(ImDrawList* draw_list, ImVec2 p_min, ImVec2 p_max, ImU32 col, float grid_step, ImVec2 grid_off, float rounding, ImDrawFlags flags) -{ - if ((flags & ImDrawFlags_RoundCornersMask_) == 0) - flags = ImDrawFlags_RoundCornersDefault_; - if (((col & IM_COL32_A_MASK) >> IM_COL32_A_SHIFT) < 0xFF) - { - ImU32 col_bg1 = GetColorU32(ImAlphaBlendColors(IM_COL32(204, 204, 204, 255), col)); - ImU32 col_bg2 = GetColorU32(ImAlphaBlendColors(IM_COL32(128, 128, 128, 255), col)); - draw_list->AddRectFilled(p_min, p_max, col_bg1, rounding, flags); - - int yi = 0; - for (float y = p_min.y + grid_off.y; y < p_max.y; y += grid_step, yi++) - { - float y1 = ImClamp(y, p_min.y, p_max.y), y2 = ImMin(y + grid_step, p_max.y); - if (y2 <= y1) - continue; - for (float x = p_min.x + grid_off.x + (yi & 1) * grid_step; x < p_max.x; x += grid_step * 2.0f) - { - float x1 = ImClamp(x, p_min.x, p_max.x), x2 = ImMin(x + grid_step, p_max.x); - if (x2 <= x1) - continue; - ImDrawFlags cell_flags = ImDrawFlags_RoundCornersNone; - if (y1 <= p_min.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersTopLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersTopRight; } - if (y2 >= p_max.y) { if (x1 <= p_min.x) cell_flags |= ImDrawFlags_RoundCornersBottomLeft; if (x2 >= p_max.x) cell_flags |= ImDrawFlags_RoundCornersBottomRight; } - - // Combine flags - cell_flags = (flags == ImDrawFlags_RoundCornersNone || cell_flags == ImDrawFlags_RoundCornersNone) ? ImDrawFlags_RoundCornersNone : (cell_flags & flags); - draw_list->AddRectFilled(ImVec2(x1, y1), ImVec2(x2, y2), col_bg2, rounding, cell_flags); - } - } - } - else - { - draw_list->AddRectFilled(p_min, p_max, col, rounding, flags); - } -} - -//----------------------------------------------------------------------------- -// [SECTION] Decompression code -//----------------------------------------------------------------------------- -// Compressed with stb_compress() then converted to a C array and encoded as base85. -// Use the program in misc/fonts/binary_to_compressed_c.cpp to create the array from a TTF file. -// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. -// Decompression from stb.h (public domain) by Sean Barrett https://github.com/nothings/stb/blob/master/stb.h -//----------------------------------------------------------------------------- - -static unsigned int stb_decompress_length(const unsigned char *input) -{ - return (input[8] << 24) + (input[9] << 16) + (input[10] << 8) + input[11]; -} - -static unsigned char *stb__barrier_out_e, *stb__barrier_out_b; -static const unsigned char *stb__barrier_in_b; -static unsigned char *stb__dout; -static void stb__match(const unsigned char *data, unsigned int length) -{ - // INVERSE of memmove... write each byte before copying the next... - IM_ASSERT(stb__dout + length <= stb__barrier_out_e); - if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } - if (data < stb__barrier_out_b) { stb__dout = stb__barrier_out_e+1; return; } - while (length--) *stb__dout++ = *data++; -} - -static void stb__lit(const unsigned char *data, unsigned int length) -{ - IM_ASSERT(stb__dout + length <= stb__barrier_out_e); - if (stb__dout + length > stb__barrier_out_e) { stb__dout += length; return; } - if (data < stb__barrier_in_b) { stb__dout = stb__barrier_out_e+1; return; } - memcpy(stb__dout, data, length); - stb__dout += length; -} - -#define stb__in2(x) ((i[x] << 8) + i[(x)+1]) -#define stb__in3(x) ((i[x] << 16) + stb__in2((x)+1)) -#define stb__in4(x) ((i[x] << 24) + stb__in3((x)+1)) - -static const unsigned char *stb_decompress_token(const unsigned char *i) -{ - if (*i >= 0x20) { // use fewer if's for cases that expand small - if (*i >= 0x80) stb__match(stb__dout-i[1]-1, i[0] - 0x80 + 1), i += 2; - else if (*i >= 0x40) stb__match(stb__dout-(stb__in2(0) - 0x4000 + 1), i[2]+1), i += 3; - else /* *i >= 0x20 */ stb__lit(i+1, i[0] - 0x20 + 1), i += 1 + (i[0] - 0x20 + 1); - } else { // more ifs for cases that expand large, since overhead is amortized - if (*i >= 0x18) stb__match(stb__dout-(stb__in3(0) - 0x180000 + 1), i[3]+1), i += 4; - else if (*i >= 0x10) stb__match(stb__dout-(stb__in3(0) - 0x100000 + 1), stb__in2(3)+1), i += 5; - else if (*i >= 0x08) stb__lit(i+2, stb__in2(0) - 0x0800 + 1), i += 2 + (stb__in2(0) - 0x0800 + 1); - else if (*i == 0x07) stb__lit(i+3, stb__in2(1) + 1), i += 3 + (stb__in2(1) + 1); - else if (*i == 0x06) stb__match(stb__dout-(stb__in3(1)+1), i[4]+1), i += 5; - else if (*i == 0x04) stb__match(stb__dout-(stb__in3(1)+1), stb__in2(4)+1), i += 6; - } - return i; -} - -static unsigned int stb_adler32(unsigned int adler32, unsigned char *buffer, unsigned int buflen) -{ - const unsigned long ADLER_MOD = 65521; - unsigned long s1 = adler32 & 0xffff, s2 = adler32 >> 16; - unsigned long blocklen = buflen % 5552; - - unsigned long i; - while (buflen) { - for (i=0; i + 7 < blocklen; i += 8) { - s1 += buffer[0], s2 += s1; - s1 += buffer[1], s2 += s1; - s1 += buffer[2], s2 += s1; - s1 += buffer[3], s2 += s1; - s1 += buffer[4], s2 += s1; - s1 += buffer[5], s2 += s1; - s1 += buffer[6], s2 += s1; - s1 += buffer[7], s2 += s1; - - buffer += 8; - } - - for (; i < blocklen; ++i) - s1 += *buffer++, s2 += s1; - - s1 %= ADLER_MOD, s2 %= ADLER_MOD; - buflen -= blocklen; - blocklen = 5552; - } - return (unsigned int)(s2 << 16) + (unsigned int)s1; -} - -static unsigned int stb_decompress(unsigned char *output, const unsigned char *i, unsigned int /*length*/) -{ - if (stb__in4(0) != 0x57bC0000) return 0; - if (stb__in4(4) != 0) return 0; // error! stream is > 4GB - const unsigned int olen = stb_decompress_length(i); - stb__barrier_in_b = i; - stb__barrier_out_e = output + olen; - stb__barrier_out_b = output; - i += 16; - - stb__dout = output; - for (;;) { - const unsigned char *old_i = i; - i = stb_decompress_token(i); - if (i == old_i) { - if (*i == 0x05 && i[1] == 0xfa) { - IM_ASSERT(stb__dout == output + olen); - if (stb__dout != output + olen) return 0; - if (stb_adler32(1, output, olen) != (unsigned int) stb__in4(2)) - return 0; - return olen; - } else { - IM_ASSERT(0); /* NOTREACHED */ - return 0; - } - } - IM_ASSERT(stb__dout <= output + olen); - if (stb__dout > output + olen) - return 0; - } -} - -//----------------------------------------------------------------------------- -// [SECTION] Default font data (ProggyClean.ttf) -//----------------------------------------------------------------------------- -// ProggyClean.ttf -// Copyright (c) 2004, 2005 Tristan Grimmer -// MIT license (see License.txt in http://www.upperbounds.net/download/ProggyClean.ttf.zip) -// Download and more information at http://upperbounds.net -//----------------------------------------------------------------------------- -// File: 'ProggyClean.ttf' (41208 bytes) -// Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding). -// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. -//----------------------------------------------------------------------------- -static const char proggy_clean_ttf_compressed_data_base85[11980 + 1] = - 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