img.cpp File Reference

Image management API. More...

#include "png.h"
#include <tgfclient.h>
#include <stdlib.h>
#include <stdio.h>
#include <portability.h>

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Macros
#define	PNG_BYTES_TO_CHECK   4

Functions
unsigned char *	GfImgReadPng (const char *filename, int *widthp, int *heightp, float screen_gamma)
	Load an image from disk to a buffer in RGBA mode.
static int	writePng (unsigned char *img, const char *filename, int width, int height, int writeGamma)
int	GfImgWritePng (unsigned char *img, const char *filename, int width, int height)
	Write a buffer to a png image on disk.
int	GfImgWritePngNoGamma (unsigned char *img, const char *filename, int width, int height)
	Write a framebuffer capture to a png image on disk without gamma metadata.
void	GfImgFreeTex (GLuint tex)
	Free the texture.
GLuint	GfImgReadTex (char *filename)
	Read a png image into a texture.

Detailed Description

Image management API.

Load and store png images.

Author

Bernhard Wymann, Eric Espie

Definition in file img.cpp.

Macro Definition Documentation

PNG_BYTES_TO_CHECK

#define PNG_BYTES_TO_CHECK   4

Definition at line 41 of file img.cpp.

Function Documentation

writePng()

int writePng ( unsigned char * img, const char * filename, int width, int height, int writeGamma )

static

Definition at line 191 of file img.cpp.

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