images.c File Reference

Image loading and saving functions. More...

#include "images.h"
#include <jpeglib.h>
#include <png.h>

Include dependency graph for images.c:

Go to the source code of this file.

Defines
#define	TGA_UNMAP_UNCOMP   2
#define	TGA_UNMAP_COMP   10
#define	TGA_CHANNELS   3
Functions
const char **	Img_GetImageTypes (void)
void	R_WritePNG (qFILE *f, byte *buffer, int width, int height)
void	R_WriteCompressedTGA (qFILE *f, const byte *buffer, int width, int height)
void	R_WriteJPG (qFILE *f, byte *buffer, int width, int height, int quality)
static qboolean	Img_LoadTypedImage (const char *name, char *type, SDL_Surface **surf)
	Loads the specified image from the game filesystem and populates the provided SDL_Surface.
qboolean	Img_LoadImage (const char *name, SDL_Surface **surf)
	Loads the specified image from the game filesystem and populates the provided SDL_Surface.
Variables
static char *	IMAGE_TYPES [] = { "tga", "png", "jpg", NULL }
static SDL_PixelFormat	format

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Detailed Description

Image loading and saving functions.

Definition in file images.c.

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Define Documentation

#define TGA_CHANNELS   3

Definition at line 120 of file images.c.

Referenced by R_WriteCompressedTGA().

#define TGA_UNMAP_COMP   10

Definition at line 68 of file images.c.

Referenced by R_WriteCompressedTGA().

#define TGA_UNMAP_UNCOMP   2

Definition at line 67 of file images.c.

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Function Documentation

const char** Img_GetImageTypes

(

void

)

Definition at line 70 of file images.c.

References IMAGE_TYPES.

Referenced by R_ImageExists().

qboolean Img_LoadImage	(	const char *	name,
		SDL_Surface **	surf
	)

Loads the specified image from the game filesystem and populates the provided SDL_Surface.

Image formats are tried in the order they appear in TYPES.

Note:

Make sure to free the given SDL_Surface after you are done with it.

Definition at line 338 of file images.c.

References i, IMAGE_TYPES, Img_LoadTypedImage(), qfalse, and qtrue.

Referenced by CalcTextureReflectivity(), R_FindImage(), and R_LoadImage().

static qboolean Img_LoadTypedImage	(	const char *	name,
		char *	type,
		SDL_Surface **	surf
	)			[static]

Loads the specified image from the game filesystem and populates the provided SDL_Surface.

Definition at line 293 of file images.c.

References byte, format, FS_FreeFile(), FS_LoadFile(), len, MAX_QPATH, qfalse, and qtrue.

Referenced by Img_LoadImage().

void R_WriteCompressedTGA	(	qFILE *	f,
		const byte *	buffer,
		int	width,
		int	height
	)

See also:

R_LoadTGA

R_WriteTGA

Definition at line 126 of file images.c.

References byte, FS_Write(), header, TGA_CHANNELS, and TGA_UNMAP_COMP.

Referenced by R_ScreenShot().

void R_WriteJPG	(	qFILE *	f,
		byte *	buffer,
		int	width,
		int	height,
		int	quality
	)

See also:

R_ScreenShot_f

R_LoadJPG

Definition at line 252 of file images.c.

References byte, qFILE_s::f, and qtrue.

Referenced by R_ScreenShot().

void R_WritePNG	(	qFILE *	f,
		byte *	buffer,
		int	width,
		int	height
	)

See also:

R_LoadTGA

R_LoadJPG

R_FindImage

Definition at line 80 of file images.c.

References qFILE_s::f, and i.

Referenced by R_ScreenShot().

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Variable Documentation

SDL_PixelFormat format [static]

Initial value:

 {
    NULL,  
    32,  
    4,  
    0,  
    0,  
    0,  
    0,  
    24,  
    16,  
    8,  
    0,  

    0xff000000,
    0x00ff0000,
    0x0000ff00,
    0x000000ff,






    0,  
    1   
}

default pixel format to which all images are converted

Definition at line 40 of file images.c.

Referenced by G_ClientAction(), Img_LoadTypedImage(), and sound::WavFileLoader::LoadFromStream().

char* IMAGE_TYPES[] = { "tga", "png", "jpg", NULL } [static]

image formats, tried in this order

Definition at line 37 of file images.c.

Referenced by Img_GetImageTypes(), and Img_LoadImage().