imguiRenderGL.cpp File Reference

#include <cmath>
#include <cstdio>
#include "imgui.h"
#include "SDL.h"
#include "SDL_opengl.h"
#include "stb_truetype.h"

Macros
#define	STBTT_malloc(x, y)   imguimalloc(x,y)
#define	STBTT_free(x, y)   imguifree(x,y)
#define	STB_TRUETYPE_IMPLEMENTATION

Functions
void	imguifree (void *ptr, void *userptr)
void *	imguimalloc (size_t size, void *userptr)
unsigned int	RGBA (unsigned char r, unsigned char g, unsigned char b, unsigned char a)
static void	drawPolygon (const float *coords, unsigned numCoords, float r, unsigned int col)
static void	drawRect (float x, float y, float w, float h, float fth, unsigned int col)
static void	drawRoundedRect (float x, float y, float w, float h, float r, float fth, unsigned int col)
static void	drawLine (float x0, float y0, float x1, float y1, float r, float fth, unsigned int col)
bool	imguiRenderGLInit (const char *fontpath)
void	imguiRenderGLDestroy ()
static void	getBakedQuad (stbtt_bakedchar *chardata, int pw, int ph, int char_index, float *xpos, float *ypos, stbtt_aligned_quad *q)
static float	getTextLength (stbtt_bakedchar *chardata, const char *text)
static void	drawText (float x, float y, const char *text, int align, unsigned int col)
void	imguiRenderGLDraw ()

Variables
static const float	PI = 3.14159265f
static const unsigned	TEMP_COORD_COUNT = 100
static float	g_tempCoords [TEMP_COORD_COUNT *2]
static float	g_tempNormals [TEMP_COORD_COUNT *2]
static const int	CIRCLE_VERTS = 8*4
static float	g_circleVerts [CIRCLE_VERTS *2]
static stbtt_bakedchar	g_cdata [96]
static GLuint	g_ftex = 0
static const float	g_tabStops [4] = {150, 210, 270, 330}

Macro Definition Documentation

STB_TRUETYPE_IMPLEMENTATION

#define STB_TRUETYPE_IMPLEMENTATION

STBTT_free

#define STBTT_free	(		x,
			y
	)		imguifree(x,y)

STBTT_malloc

#define STBTT_malloc	(		x,
			y
	)		imguimalloc(x,y)

Function Documentation

drawLine()

static void drawLine ( float  x0, float  y0, float  x1, float  y1, float  r, float  fth, unsigned int  col  )

static

drawPolygon()

static void drawPolygon ( const float *  coords, unsigned  numCoords, float  r, unsigned int  col  )

static

drawRect()

static void drawRect ( float  x, float  y, float  w, float  h, float  fth, unsigned int  col  )

static

drawRoundedRect()

static void drawRoundedRect ( float  x, float  y, float  w, float  h, float  r, float  fth, unsigned int  col  )

static

drawText()

static void drawText ( float  x, float  y, const char *  text, int  align, unsigned int  col  )

static

getBakedQuad()

static void getBakedQuad ( stbtt_bakedchar *  chardata, int  pw, int  ph, int  char_index, float *  xpos, float *  ypos, stbtt_aligned_quad *  q  )

static

getTextLength()

static float getTextLength ( stbtt_bakedchar *  chardata, const char *  text  )

static

imguifree()

void imguifree	(	void *	ptr,
		void *	userptr
	)

imguimalloc()

void * imguimalloc	(	size_t	size,
		void *	userptr
	)

imguiRenderGLDestroy()

void imguiRenderGLDestroy

(

)

imguiRenderGLDraw()

void imguiRenderGLDraw

(

)

imguiRenderGLInit()

bool imguiRenderGLInit

(

const char *

fontpath

)

RGBA()

unsigned int RGBA ( unsigned char  r, unsigned char  g, unsigned char  b, unsigned char  a  )

inline

Variable Documentation

CIRCLE_VERTS

const int CIRCLE_VERTS = 8*4

static

g_cdata

stbtt_bakedchar g_cdata[96]

static

g_circleVerts

float g_circleVerts[CIRCLE_VERTS *2]

static

g_ftex

GLuint g_ftex = 0

static

g_tabStops

const float g_tabStops[4] = {150, 210, 270, 330}

static

g_tempCoords

float g_tempCoords[TEMP_COORD_COUNT *2]

static

g_tempNormals

float g_tempNormals[TEMP_COORD_COUNT *2]

static

PI

const float PI = 3.14159265f

static

TEMP_COORD_COUNT

const unsigned TEMP_COORD_COUNT = 100

static