imageio.h File Reference

Go to the source code of this file.

Macros
#define	IMAGENOERR   0
	no error More...
#define	IMAGEBADFILE   1
	can't find or can't open the file More...
#define	IMAGEUNSUP   2
	the image file is an unsupported format More...
#define	IMAGEALLOCERR   3
	not enough remaining memory to load this image More...
#define	IMAGEREADERR   4
	failed read, short reads etc More...
#define	IMAGEWRITEERR   5
	failed write, short writes etc More...
#define	IMAGENULLDATA   6
	image to write was a null pointer More...

Functions
int	readimage (rawimage *)
int	writeimage (char *name, int xres, int yres, void *imgdata, int imgbufferformat, int fileformat)
void	minmax_rgb96f (int xres, int yres, const float *fimg, float *min, float *max)
void	normalize_rgb96f (int xres, int yres, float *fimg)
void	gamma_rgb96f (int xres, int yres, float *fimg, float gamma)
unsigned char *	image_rgb48be_from_rgb96f (int xres, int yres, float *fimg)
unsigned char *	image_rgb48bepl_from_rgb96f (int xres, int yres, float *fimg)
float *	image_crop_rgb96f (int xres, int yres, float *fimg, int szx, int szy, int sx, int sy)
unsigned char *	image_crop_rgb24 (int xres, int yres, unsigned char *img, int szx, int szy, int sx, int sy)

Macro Definition Documentation

IMAGEALLOCERR

#define IMAGEALLOCERR   3

not enough remaining memory to load this image

Definition at line 19 of file imageio.h.

IMAGEBADFILE

#define IMAGEBADFILE   1

can't find or can't open the file

Definition at line 17 of file imageio.h.

Referenced by readppm(), readtga(), writeppm(), writeppm48(), and writepsd48().

IMAGENOERR

#define IMAGENOERR   0

no error

Definition at line 16 of file imageio.h.

Referenced by createtgafile(), fakeimage(), readimage(), readppm(), readtga(), writebmp(), writeppm(), writeppm48(), writepsd48(), writergb(), and writetga().

IMAGENULLDATA

#define IMAGENULLDATA   6

image to write was a null pointer

Definition at line 22 of file imageio.h.

Referenced by writeimage().

IMAGEREADERR

#define IMAGEREADERR   4

failed read, short reads etc

Definition at line 20 of file imageio.h.

Referenced by readimage(), readppm(), and readtga().

IMAGEUNSUP

#define IMAGEUNSUP   2

the image file is an unsupported format

Definition at line 18 of file imageio.h.

Referenced by readimage(), readjpeg(), readpng(), readppm(), readtga(), writeimage(), writejpeg(), and writepng().

IMAGEWRITEERR

#define IMAGEWRITEERR   5

failed write, short writes etc

Definition at line 21 of file imageio.h.

Referenced by createtgafile(), writeppm(), writeppm48(), and writetga().

Function Documentation

gamma_rgb96f()

void gamma_rgb96f	(	int	xres,
		int	yres,
		float *	fimg,
		float	gamma
	)

Definition at line 157 of file imageio.c.

References POW.

Referenced by renderio().

image_crop_rgb24()

unsigned char* image_crop_rgb24	(	int	xres,
		int	yres,
		unsigned char *	img,
		int	szx,
		int	szy,
		int	sx,
		int	sy
	)

Definition at line 222 of file imageio.c.

Referenced by renderio().

image_crop_rgb96f()

float* image_crop_rgb96f	(	int	xres,
		int	yres,
		float *	fimg,
		int	szx,
		int	szy,
		int	sx,
		int	sy
	)

Definition at line 196 of file imageio.c.

Referenced by renderio().

image_rgb48be_from_rgb96f()

unsigned char* image_rgb48be_from_rgb96f	(	int	xres,
		int	yres,
		float *	fimg
	)

Definition at line 248 of file imageio.c.

Referenced by writeimage().

image_rgb48bepl_from_rgb96f()

unsigned char* image_rgb48bepl_from_rgb96f	(	int	xres,
		int	yres,
		float *	fimg
	)

Definition at line 282 of file imageio.c.

Referenced by writeimage().

minmax_rgb96f()

void minmax_rgb96f	(	int	xres,
		int	yres,
		const float *	fimg,
		float *	min,
		float *	max
	)

Definition at line 123 of file imageio.c.

Referenced by normalize_rgb96f().

normalize_rgb96f()

void normalize_rgb96f	(	int	xres,
		int	yres,
		float *	fimg
	)

Definition at line 146 of file imageio.c.

References minmax_rgb96f().

Referenced by renderio().

readimage()

int readimage

(

rawimage *

)

Definition at line 56 of file imageio.c.

References fakeimage(), IMAGENOERR, IMAGEREADERR, IMAGEUNSUP, MSG_0, readjpeg(), readpng(), readppm(), readtga(), rt_mynode(), and rt_ui_message().

Referenced by LoadRawImage().

writeimage()

int writeimage	(	char *	name,
		int	xres,
		int	yres,
		void *	imgdata,
		int	imgbufferformat,
		int	fileformat
	)

Definition at line 321 of file imageio.c.

References image_rgb24_from_rgb96f(), image_rgb48be_from_rgb96f(), image_rgb48bepl_from_rgb96f(), IMAGENULLDATA, IMAGEUNSUP, RT_FORMAT_JPEG, RT_FORMAT_PNG, RT_FORMAT_PPM, RT_FORMAT_PPM48, RT_FORMAT_PSD48, RT_FORMAT_SGIRGB, RT_FORMAT_TARGA, RT_FORMAT_WINBMP, writebmp(), writejpeg(), writepng(), writeppm(), writeppm48(), writepsd48(), writergb(), and writetga().

Referenced by renderio().