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Updated to ImGui 1.65

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Refs #496
This commit is contained in:
saschawillems 2018-09-07 15:26:43 +02:00
parent eef7c81640
commit 4ce7d7d033
12 changed files with 10773 additions and 9856 deletions
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285
external/imgui/imgui_draw.cpp vendored
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@ -1,41 +1,56 @@
// dear imgui, v1.62
// dear imgui, v1.65
// (drawing and font code)
// Contains implementation for
// - Default styles
// - ImDrawList
// - ImDrawData
// - ImFontAtlas
// - ImFont
// - Default font data
/*
Index of this file:
// [SECTION] STB libraries implementation
// [SECTION] Style functions
// [SECTION] ImDrawList
// [SECTION] ImDrawData
// [SECTION] Helpers ShadeVertsXXX functions
// [SECTION] ImFontConfig
// [SECTION] ImFontAtlas
// [SECTION] ImFontAtlas glyph ranges helpers + GlyphRangesBuilder
// [SECTION] ImFont
// [SECTION] 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_DEFINE_MATH_OPERATORS
#define IMGUI_DEFINE_MATH_OPERATORS
#endif
#include "imgui_internal.h"
#include <stdio.h> // vsnprintf, sscanf, printf
#if !defined(alloca)
#ifdef _WIN32
#if defined(__GLIBC__) || defined(__sun) || defined(__CYGWIN__)
#include <alloca.h> // alloca (glibc uses <alloca.h>. Note that Cygwin may have _WIN32 defined, so the order matters here)
#elif defined(_WIN32)
#include <malloc.h> // alloca
#if !defined(alloca)
#define alloca _alloca // for clang with MS Codegen
#endif
#elif defined(__GLIBC__) || defined(__sun)
#include <alloca.h> // alloca
#else
#include <stdlib.h> // alloca
#endif
#endif
// Visual Studio warnings
#ifdef _MSC_VER
#pragma warning (disable: 4505) // unreferenced local function has been removed (stb stuff)
#pragma warning (disable: 4996) // 'This function or variable may be unsafe': strcpy, strdup, sprintf, vsnprintf, sscanf, fopen
#endif
// Clang/GCC warnings with -Weverything
#ifdef __clang__
#pragma clang diagnostic ignored "-Wold-style-cast" // warning : use of old-style cast // yes, they are more terse.
#pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
@ -60,7 +75,7 @@
#endif
//-------------------------------------------------------------------------
// STB libraries implementation
// [SECTION] STB libraries implementation
//-------------------------------------------------------------------------
// Compile time options:
@ -97,13 +112,14 @@ namespace IMGUI_STB_NAMESPACE
#ifndef STB_RECT_PACK_IMPLEMENTATION // in case the user already have an implementation in the _same_ compilation unit (e.g. unity builds)
#ifndef IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
#define STBRP_STATIC
#define STBRP_ASSERT(x) IM_ASSERT(x)
#define STBRP_ASSERT(x) IM_ASSERT(x)
#define STBRP_SORT ImQsort
#define STB_RECT_PACK_IMPLEMENTATION
#endif
#ifdef IMGUI_STB_RECT_PACK_FILENAME
#include IMGUI_STB_RECT_PACK_FILENAME
#else
#include "stb_rect_pack.h"
#include "imstb_rectpack.h"
#endif
#endif
@ -126,7 +142,7 @@ namespace IMGUI_STB_NAMESPACE
#ifdef IMGUI_STB_TRUETYPE_FILENAME
#include IMGUI_STB_TRUETYPE_FILENAME
#else
#include "stb_truetype.h"
#include "imstb_truetype.h"
#endif
#endif
@ -148,7 +164,7 @@ using namespace IMGUI_STB_NAMESPACE;
#endif
//-----------------------------------------------------------------------------
// Style functions
// [SECTION] Style functions
//-----------------------------------------------------------------------------
void ImGui::StyleColorsDark(ImGuiStyle* dst)
@ -194,10 +210,11 @@ void ImGui::StyleColorsDark(ImGuiStyle* dst)
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.80f, 0.80f, 0.80f, 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)
@ -243,10 +260,11 @@ void ImGui::StyleColorsClassic(ImGuiStyle* dst)
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.20f, 0.20f, 0.20f, 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
@ -293,14 +311,15 @@ void ImGui::StyleColorsLight(ImGuiStyle* dst)
colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.45f, 0.00f, 1.00f);
colors[ImGuiCol_TextSelectedBg] = ImVec4(0.26f, 0.59f, 0.98f, 0.35f);
colors[ImGuiCol_ModalWindowDarkening] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
colors[ImGuiCol_DragDropTarget] = ImVec4(0.26f, 0.59f, 0.98f, 0.95f);
colors[ImGuiCol_NavHighlight] = colors[ImGuiCol_HeaderHovered];
colors[ImGuiCol_NavWindowingHighlight] = ImVec4(0.70f, 0.70f, 0.70f, 0.70f);
colors[ImGuiCol_NavWindowingDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.20f);
colors[ImGuiCol_ModalWindowDimBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.35f);
}
//-----------------------------------------------------------------------------
// ImDrawListData
// ImDrawList
//-----------------------------------------------------------------------------
ImDrawListSharedData::ImDrawListSharedData()
@ -318,10 +337,6 @@ ImDrawListSharedData::ImDrawListSharedData()
}
}
//-----------------------------------------------------------------------------
// ImDrawList
//-----------------------------------------------------------------------------
void ImDrawList::Clear()
{
CmdBuffer.resize(0);
@ -1204,14 +1219,14 @@ void ImDrawList::AddImageRounded(ImTextureID user_texture_id, const ImVec2& a, c
PathRect(a, b, rounding, rounding_corners);
PathFillConvex(col);
int vert_end_idx = VtxBuffer.Size;
ImGui::ShadeVertsLinearUV(VtxBuffer.Data + vert_start_idx, VtxBuffer.Data + vert_end_idx, a, b, uv_a, uv_b, true);
ImGui::ShadeVertsLinearUV(this, vert_start_idx, vert_end_idx, a, b, uv_a, uv_b, true);
if (push_texture_id)
PopTextureID();
}
//-----------------------------------------------------------------------------
// ImDrawData
// [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!
@ -1248,14 +1263,16 @@ void ImDrawData::ScaleClipRects(const ImVec2& scale)
}
//-----------------------------------------------------------------------------
// Shade functions
// [SECTION] Helpers ShadeVertsXXX functions
//-----------------------------------------------------------------------------
// Generic linear color gradient, write to RGB fields, leave A untouched.
void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDrawVert* vert_end, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawList* draw_list, int vert_start_idx, int vert_end_idx, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1)
{
ImVec2 gradient_extent = gradient_p1 - gradient_p0;
float gradient_inv_length2 = 1.0f / ImLengthSqr(gradient_extent);
ImDrawVert* vert_start = draw_list->VtxBuffer.Data + vert_start_idx;
ImDrawVert* vert_end = draw_list->VtxBuffer.Data + vert_end_idx;
for (ImDrawVert* vert = vert_start; vert < vert_end; vert++)
{
float d = ImDot(vert->pos - gradient_p0, gradient_extent);
@ -1267,25 +1284,8 @@ void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDra
}
}
// Scan and shade backward from the end of given vertices. Assume vertices are text only (= vert_start..vert_end going left to right) so we can break as soon as we are out the gradient bounds.
void ImGui::ShadeVertsLinearAlphaGradientForLeftToRightText(ImDrawVert* vert_start, ImDrawVert* vert_end, float gradient_p0_x, float gradient_p1_x)
{
float gradient_extent_x = gradient_p1_x - gradient_p0_x;
float gradient_inv_length2 = 1.0f / (gradient_extent_x * gradient_extent_x);
int full_alpha_count = 0;
for (ImDrawVert* vert = vert_end - 1; vert >= vert_start; vert--)
{
float d = (vert->pos.x - gradient_p0_x) * (gradient_extent_x);
float alpha_mul = 1.0f - ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
if (alpha_mul >= 1.0f && ++full_alpha_count > 2)
return; // Early out
int a = (int)(((vert->col >> IM_COL32_A_SHIFT) & 0xFF) * alpha_mul);
vert->col = (vert->col & ~IM_COL32_A_MASK) | (a << IM_COL32_A_SHIFT);
}
}
// Distribute UV over (a, b) rectangle
void ImGui::ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp)
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;
@ -1293,11 +1293,12 @@ void ImGui::ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, con
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);
}
@ -1309,7 +1310,7 @@ void ImGui::ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, con
}
//-----------------------------------------------------------------------------
// ImFontConfig
// [SECTION] ImFontConfig
//-----------------------------------------------------------------------------
ImFontConfig::ImFontConfig()
@ -1335,60 +1336,62 @@ ImFontConfig::ImFontConfig()
}
//-----------------------------------------------------------------------------
// ImFontAtlas
// [SECTION] ImFontAtlas
//-----------------------------------------------------------------------------
// A work of art lies ahead! (. = white layer, X = black layer, others are blank)
// The white texels on the top left are the ones we'll use everywhere in ImGui to render filled shapes.
const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 90;
const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108;
const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27;
const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000;
static const char FONT_ATLAS_DEFAULT_TEX_DATA_PIXELS[FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF * FONT_ATLAS_DEFAULT_TEX_DATA_H + 1] =
{
"..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX"
"..- -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"
"XX - 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..X - X.X - X.X - X.X -XX X.X - X.X XX"
"X...X - X.X - X.X - 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 - X.X - X..X X.X X..X - X.X - X.X "
"X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-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...XXXXXX.XXXXXX...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......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X "
"X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX "
"X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------"
"X.X X..X - -X.......X- X.......X - XX XX - "
"XX 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 - "
"------------ - X - X -X.....................X- "
" ----------------------------------- X...XXXXXXXXXXXXX...X - "
" - X..X X..X - "
" - X.X X.X - "
" - XX XX - "
"..- -XXXXXXX- X - X -XXXXXXX - XXXXXXX- XX "
"..- -X.....X- X.X - X.X -X.....X - X.....X- X..X "
"--- -XXX.XXX- X...X - X...X -X....X - X....X- X..X "
"X - X.X - X.....X - X.....X -X...X - X...X- X..X "
"XX - X.X -X.......X- X.......X -X..X.X - X.X..X- X..X "
"X.X - X.X -XXXX.XXXX- XXXX.XXXX -X.X X.X - X.X X.X- X..XXX "
"X..X - X.X - X.X - X.X -XX X.X - X.X XX- X..X..XXX "
"X...X - X.X - X.X - XX X.X XX - X.X - X.X - X..X..X..XX "
"X....X - X.X - X.X - X.X X.X X.X - X.X - X.X - X..X..X..X.X "
"X.....X - X.X - X.X - X..X X.X X..X - X.X - X.X -XXX X..X..X..X..X"
"X......X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X XX-XX X.X -X..XX........X..X"
"X.......X - X.X - X.X -X.....................X- X.X X.X-X.X X.X -X...X...........X"
"X........X - X.X - X.X - X...XXXXXX.XXXXXX...X - X.X..X-X..X.X - X..............X"
"X.........X -XXX.XXX- X.X - X..X X.X X..X - X...X-X...X - X.............X"
"X..........X-X.....X- X.X - X.X X.X X.X - X....X-X....X - X.............X"
"X......XXXXX-XXXXXXX- X.X - XX X.X XX - X.....X-X.....X - X............X"
"X...X..X --------- X.X - X.X - XXXXXXX-XXXXXXX - X...........X "
"X..X X..X - -XXXX.XXXX- XXXX.XXXX ------------------------------------- X..........X "
"X.X X..X - -X.......X- X.......X - XX XX - - X..........X "
"XX X..X - - X.....X - X.....X - X.X X.X - - X........X "
" X..X - X...X - X...X - X..X X..X - - X........X "
" XX - X.X - X.X - X...XXXXXXXXXXXXX...X - - XXXXXXXXXX "
"------------ - X - X -X.....................X- ------------------"
" ----------------------------------- X...XXXXXXXXXXXXX...X - "
" - X..X X..X - "
" - X.X X.X - "
" - XX XX - "
};
static const ImVec2 FONT_ATLAS_DEFAULT_TEX_CURSOR_DATA[ImGuiMouseCursor_COUNT][3] =
{
// Pos ........ Size ......... Offset ......
{ ImVec2(0,3), ImVec2(12,19), ImVec2( 0, 0) }, // ImGuiMouseCursor_Arrow
{ ImVec2(13,0), ImVec2(7,16), ImVec2( 4, 8) }, // ImGuiMouseCursor_TextInput
{ 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( 5,11) }, // ImGuiMouseCursor_ResizeNS
{ ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 5) }, // ImGuiMouseCursor_ResizeEW
{ ImVec2(73,0), ImVec2(17,17), ImVec2( 9, 9) }, // ImGuiMouseCursor_ResizeNESW
{ ImVec2(55,0), ImVec2(17,17), ImVec2( 9, 9) }, // ImGuiMouseCursor_ResizeNWSE
{ ImVec2(21,0), ImVec2( 9,23), ImVec2( 4,11) }, // ImGuiMouseCursor_ResizeNS
{ ImVec2(55,18),ImVec2(23, 9), ImVec2(11, 4) }, // ImGuiMouseCursor_ResizeEW
{ ImVec2(73,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNESW
{ ImVec2(55,0), ImVec2(17,17), ImVec2( 8, 8) }, // ImGuiMouseCursor_ResizeNWSE
{ ImVec2(91,0), ImVec2(17,22), ImVec2( 5, 0) }, // ImGuiMouseCursor_Hand
};
ImFontAtlas::ImFontAtlas()
{
Flags = 0x00;
Locked = false;
Flags = ImFontAtlasFlags_None;
TexID = NULL;
TexDesiredWidth = 0;
TexGlyphPadding = 1;
@ -1404,11 +1407,13 @@ ImFontAtlas::ImFontAtlas()
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)
{
@ -1431,6 +1436,7 @@ void ImFontAtlas::ClearInputData()
void ImFontAtlas::ClearTexData()
{
IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
if (TexPixelsAlpha8)
ImGui::MemFree(TexPixelsAlpha8);
if (TexPixelsRGBA32)
@ -1441,6 +1447,7 @@ void ImFontAtlas::ClearTexData()
void ImFontAtlas::ClearFonts()
{
IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
for (int i = 0; i < Fonts.Size; i++)
IM_DELETE(Fonts[i]);
Fonts.clear();
@ -1495,6 +1502,7 @@ void ImFontAtlas::GetTexDataAsRGBA32(unsigned char** out_pixels, int* out_wid
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);
@ -1549,13 +1557,15 @@ ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
if (font_cfg.SizePixels <= 0.0f) font_cfg.SizePixels = 13.0f;
const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, GetGlyphRangesDefault());
const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
font->DisplayOffset.y = 1.0f;
return font;
}
ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
{
IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
size_t data_size = 0;
void* data = ImFileLoadToMemory(filename, "rb", &data_size, 0);
if (!data)
@ -1577,6 +1587,7 @@ ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels,
// 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;
@ -1670,6 +1681,7 @@ bool ImFontAtlas::GetMouseCursorTexData(ImGuiMouseCursor cursor_type, ImVec2* ou
bool ImFontAtlas::Build()
{
IM_ASSERT(!Locked && "Cannot modify a locked ImFontAtlas between NewFrame() and EndFrame/Render()!");
return ImFontAtlasBuildWithStbTruetype(this);
}
@ -2061,6 +2073,10 @@ static void UnpackAccumulativeOffsetsIntoRanges(int base_codepoint, const short*
out_ranges[0] = 0;
}
//-------------------------------------------------------------------------
// [SECTION] ImFontAtlas glyph ranges helpers + GlyphRangesBuilder
//-------------------------------------------------------------------------
const ImWchar* ImFontAtlas::GetGlyphRangesChineseSimplifiedCommon()
{
// Store 2500 regularly used characters for Simplified Chinese.
@ -2210,10 +2226,6 @@ const ImWchar* ImFontAtlas::GetGlyphRangesThai()
return &ranges[0];
}
//-----------------------------------------------------------------------------
// ImFontAtlas::GlyphRangesBuilder
//-----------------------------------------------------------------------------
void ImFontAtlas::GlyphRangesBuilder::AddText(const char* text, const char* text_end)
{
while (text_end ? (text < text_end) : *text)
@ -2249,7 +2261,7 @@ void ImFontAtlas::GlyphRangesBuilder::BuildRanges(ImVector<ImWchar>* out_ranges)
}
//-----------------------------------------------------------------------------
// ImFont
// [SECTION] ImFont
//-----------------------------------------------------------------------------
ImFont::ImFont()
@ -2343,6 +2355,8 @@ void ImFont::GrowIndex(int new_size)
IndexLookup.resize(new_size, (unsigned short)-1);
}
// x0/y0/x1/y1 are offset from the character upper-left layout position, in pixels. Therefore x0/y0 are often fairly close to zero.
// Not to be mistaken with texture coordinates, which are held by u0/v0/u1/v1 in normalized format (0.0..1.0 on each texture axis).
void ImFont::AddGlyph(ImWchar codepoint, float x0, float y0, float x1, float y1, float u0, float v0, float u1, float v1, float advance_x)
{
Glyphs.resize(Glyphs.Size + 1);
@ -2626,11 +2640,32 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
const bool word_wrap_enabled = (wrap_width > 0.0f);
const char* word_wrap_eol = NULL;
// Skip non-visible lines
// Fast-forward to first visible line
const char* s = text_begin;
if (!word_wrap_enabled && y + line_height < clip_rect.y)
while (s < text_end && *s != '\n') // Fast-forward to next line
s++;
if (y + line_height < clip_rect.y && !word_wrap_enabled)
while (y + line_height < clip_rect.y)
{
while (s < text_end)
if (*s++ == '\n')
break;
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)
{
while (s_end < text_end)
if (*s_end++ == '\n')
break;
y_end += line_height;
}
text_end = s_end;
}
// Reserve vertices for remaining worse case (over-reserving is useful and easily amortized)
const int vtx_count_max = (int)(text_end - s) * 4;
@ -2689,12 +2724,8 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
{
x = pos.x;
y += line_height;
if (y > clip_rect.w)
break;
if (!word_wrap_enabled && y + line_height < clip_rect.y)
while (s < text_end && *s != '\n') // Fast-forward to next line
s++;
break; // break out of main loop
continue;
}
if (c == '\r')
@ -2781,8 +2812,51 @@ void ImFont::RenderText(ImDrawList* draw_list, float size, ImVec2 pos, ImU32 col
}
//-----------------------------------------------------------------------------
// Internals Drawing Helpers
// [SECTION] Internal Render Helpers
// (progressively moved from imgui.cpp to here when they are redesigned to stop accessing ImGui global state)
//-----------------------------------------------------------------------------
// - RenderMouseCursor()
// - RenderArrowPointingAt()
// - RenderRectFilledRangeH()
//-----------------------------------------------------------------------------
void ImGui::RenderMouseCursor(ImDrawList* draw_list, ImVec2 pos, float scale, ImGuiMouseCursor mouse_cursor)
{
if (mouse_cursor == ImGuiMouseCursor_None)
return;
IM_ASSERT(mouse_cursor > ImGuiMouseCursor_None && mouse_cursor < ImGuiMouseCursor_COUNT);
const ImU32 col_shadow = IM_COL32(0, 0, 0, 48);
const ImU32 col_border = IM_COL32(0, 0, 0, 255); // Black
const ImU32 col_fill = IM_COL32(255, 255, 255, 255); // White
ImFontAtlas* font_atlas = draw_list->_Data->Font->ContainerAtlas;
ImVec2 offset, size, uv[4];
if (font_atlas->GetMouseCursorTexData(mouse_cursor, &offset, &size, &uv[0], &uv[2]))
{
pos -= offset;
const ImTextureID tex_id = font_atlas->TexID;
draw_list->PushTextureID(tex_id);
draw_list->AddImage(tex_id, pos + ImVec2(1,0)*scale, pos + ImVec2(1,0)*scale + size*scale, uv[2], uv[3], col_shadow);
draw_list->AddImage(tex_id, pos + ImVec2(2,0)*scale, pos + ImVec2(2,0)*scale + size*scale, uv[2], uv[3], col_shadow);
draw_list->AddImage(tex_id, pos, pos + size*scale, uv[2], uv[3], col_border);
draw_list->AddImage(tex_id, pos, pos + size*scale, uv[0], uv[1], col_fill);
draw_list->PopTextureID();
}
}
// Render an arrow. 'pos' is position of the arrow tip. half_sz.x is length from base to tip. half_sz.y is length on each side.
void ImGui::RenderArrowPointingAt(ImDrawList* draw_list, ImVec2 pos, ImVec2 half_sz, ImGuiDir direction, ImU32 col)
{
switch (direction)
{
case ImGuiDir_Left: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), pos, col); return;
case ImGuiDir_Right: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), pos, col); return;
case ImGuiDir_Up: draw_list->AddTriangleFilled(ImVec2(pos.x + half_sz.x, pos.y + half_sz.y), ImVec2(pos.x - half_sz.x, pos.y + half_sz.y), pos, col); return;
case ImGuiDir_Down: draw_list->AddTriangleFilled(ImVec2(pos.x - half_sz.x, pos.y - half_sz.y), ImVec2(pos.x + half_sz.x, pos.y - half_sz.y), pos, col); return;
case ImGuiDir_None: case ImGuiDir_COUNT: break; // Fix warnings
}
}
static inline float ImAcos01(float x)
{
@ -2852,11 +2926,13 @@ void ImGui::RenderRectFilledRangeH(ImDrawList* draw_list, const ImRect& rect, Im
draw_list->PathFillConvex(col);
}
//-----------------------------------------------------------------------------
// DEFAULT FONT DATA
// [SECTION] Decompression code
//-----------------------------------------------------------------------------
// Compressed with stb_compress() then converted to a C array.
// 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
//-----------------------------------------------------------------------------
@ -2971,6 +3047,8 @@ static unsigned int stb_decompress(unsigned char *output, const unsigned char *i
}
}
//-----------------------------------------------------------------------------
// [SECTION] Default font data (ProggyClean.ttf)
//-----------------------------------------------------------------------------
// ProggyClean.ttf
// Copyright (c) 2004, 2005 Tristan Grimmer
@ -2978,7 +3056,8 @@ static unsigned int stb_decompress(unsigned char *output, const unsigned char *i
// Download and more information at http://upperbounds.net
//-----------------------------------------------------------------------------
// File: 'ProggyClean.ttf' (41208 bytes)
// Exported using binary_to_compressed_c.cpp
// Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
//-----------------------------------------------------------------------------
static const char proggy_clean_ttf_compressed_data_base85[11980+1] =
"7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"