imgui_draw.cpp File Reference

#include "imgui.h"
#include "imgui_internal.h"
#include <stdio.h>
#include <stdlib.h>
#include "imstb_rectpack.h"
#include "imstb_truetype.h"

Classes
struct	ImFontBuildSrcData
struct	ImFontBuildDstData

Macros
#define	IMGUI_DEFINE_MATH_OPERATORS
#define	STBRP_STATIC
#define	STBRP_ASSERT(x)   IM_ASSERT(x)
#define	STBRP_SORT   ImQsort
#define	STB_RECT_PACK_IMPLEMENTATION
#define	STBTT_malloc(x, u)   ((void)(u), IM_ALLOC(x))
#define	STBTT_free(x, u)   ((void)(u), IM_FREE(x))
#define	STBTT_assert(x)   IM_ASSERT(x)
#define	STBTT_fmod(x, y)   ImFmod(x,y)
#define	STBTT_sqrt(x)   ImSqrt(x)
#define	STBTT_pow(x, y)   ImPow(x,y)
#define	STBTT_fabs(x)   ImFabs(x)
#define	STBTT_ifloor(x)   ((int)ImFloorStd(x))
#define	STBTT_iceil(x)   ((int)ImCeil(x))
#define	STBTT_STATIC
#define	STB_TRUETYPE_IMPLEMENTATION
#define	GetCurrentClipRect()   (_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)
#define	GetCurrentTextureId()   (_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : (ImTextureID)NULL)
#define	IM_NORMALIZE2F_OVER_ZERO(VX, VY)   { float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = 1.0f / ImSqrt(d2); VX *= inv_len; VY *= inv_len; } }
#define	IM_FIXNORMAL2F(VX, VY)   { float d2 = VX*VX + VY*VY; if (d2 < 0.5f) d2 = 0.5f; float inv_lensq = 1.0f / d2; VX *= inv_lensq; VY *= inv_lensq; }
#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))

Functions
void	ImFontAtlasBuildMultiplyCalcLookupTable (unsigned char out_table[256], float in_brighten_factor)
void	ImFontAtlasBuildMultiplyRectAlpha8 (const unsigned char table[256], unsigned char *pixels, int x, int y, int w, int h, int stride)
bool	ImFontAtlasBuildWithStbTruetype (ImFontAtlas *atlas)
void	ImFontAtlasBuildRegisterDefaultCustomRects (ImFontAtlas *atlas)
void	ImFontAtlasBuildSetupFont (ImFontAtlas *atlas, ImFont *font, ImFontConfig *font_config, float ascent, float descent)
void	ImFontAtlasBuildPackCustomRects (ImFontAtlas *atlas, void *stbrp_context_opaque)
void	ImFontAtlasBuildFinish (ImFontAtlas *atlas)

Variables
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

Macro Definition Documentation

GetCurrentClipRect

#define GetCurrentClipRect

(

)

(_ClipRectStack.Size ? _ClipRectStack.Data[_ClipRectStack.Size-1] : _Data->ClipRectFullscreen)

GetCurrentTextureId

#define GetCurrentTextureId

(

)

(_TextureIdStack.Size ? _TextureIdStack.Data[_TextureIdStack.Size-1] : (ImTextureID)NULL)

IM_FIXNORMAL2F

#define IM_FIXNORMAL2F	(		VX,
			VY
	)		{ float d2 = VX*VX + VY*VY; if (d2 < 0.5f) d2 = 0.5f; float inv_lensq = 1.0f / d2; VX *= inv_lensq; VY *= inv_lensq; }

IM_NORMALIZE2F_OVER_ZERO

#define IM_NORMALIZE2F_OVER_ZERO	(		VX,
			VY
	)		{ float d2 = VX*VX + VY*VY; if (d2 > 0.0f) { float inv_len = 1.0f / ImSqrt(d2); VX *= inv_len; VY *= inv_len; } }

IMGUI_DEFINE_MATH_OPERATORS

#define IMGUI_DEFINE_MATH_OPERATORS

stb__in2

#define stb__in2

(

x

)

((i[x] << 8) + i[(x)+1])

stb__in3

#define stb__in3

(

x

)

((i[x] << 16) + stb__in2((x)+1))

stb__in4

#define stb__in4

(

x

)

((i[x] << 24) + stb__in3((x)+1))

STB_RECT_PACK_IMPLEMENTATION

#define STB_RECT_PACK_IMPLEMENTATION

STB_TRUETYPE_IMPLEMENTATION

#define STB_TRUETYPE_IMPLEMENTATION

STBRP_ASSERT

#define STBRP_ASSERT

(

x

)

IM_ASSERT(x)

STBRP_SORT

#define STBRP_SORT   ImQsort

STBRP_STATIC

#define STBRP_STATIC

STBTT_assert

#define STBTT_assert

(

x

)

IM_ASSERT(x)

STBTT_fabs

#define STBTT_fabs

(

x

)

ImFabs(x)

STBTT_fmod

#define STBTT_fmod	(		x,
			y
	)		ImFmod(x,y)

STBTT_free

#define STBTT_free	(		x,
			u
	)		((void)(u), IM_FREE(x))

STBTT_iceil

#define STBTT_iceil

(

x

)

((int)ImCeil(x))

STBTT_ifloor

#define STBTT_ifloor

(

x

)

((int)ImFloorStd(x))

STBTT_malloc

#define STBTT_malloc	(		x,
			u
	)		((void)(u), IM_ALLOC(x))

STBTT_pow

#define STBTT_pow	(		x,
			y
	)		ImPow(x,y)

STBTT_sqrt

#define STBTT_sqrt

(

x

)

ImSqrt(x)

STBTT_STATIC

#define STBTT_STATIC

Function Documentation

ImFontAtlasBuildFinish()

void ImFontAtlasBuildFinish

(

ImFontAtlas *

atlas

)

ImFontAtlasBuildMultiplyCalcLookupTable()

void ImFontAtlasBuildMultiplyCalcLookupTable	(	unsigned char	out_table[256],
		float	in_brighten_factor
	)

ImFontAtlasBuildMultiplyRectAlpha8()

void ImFontAtlasBuildMultiplyRectAlpha8	(	const unsigned char	table[256],
		unsigned char *	pixels,
		int	x,
		int	y,
		int	w,
		int	h,
		int	stride
	)

ImFontAtlasBuildPackCustomRects()

void ImFontAtlasBuildPackCustomRects	(	ImFontAtlas *	atlas,
		void *	stbrp_context_opaque
	)

ImFontAtlasBuildRegisterDefaultCustomRects()

void ImFontAtlasBuildRegisterDefaultCustomRects

(

ImFontAtlas *

atlas

)

ImFontAtlasBuildSetupFont()

void ImFontAtlasBuildSetupFont	(	ImFontAtlas *	atlas,
		ImFont *	font,
		ImFontConfig *	font_config,
		float	ascent,
		float	descent
	)

ImFontAtlasBuildWithStbTruetype()

bool ImFontAtlasBuildWithStbTruetype

(

ImFontAtlas *

atlas

)

Variable Documentation

FONT_ATLAS_DEFAULT_TEX_DATA_H

const int FONT_ATLAS_DEFAULT_TEX_DATA_H = 27

FONT_ATLAS_DEFAULT_TEX_DATA_ID

const unsigned int FONT_ATLAS_DEFAULT_TEX_DATA_ID = 0x80000000

FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF

const int FONT_ATLAS_DEFAULT_TEX_DATA_W_HALF = 108