image.c File Reference

#include "opj_includes.h"

Functions
opj_image_t *	opj_image_create0 (void)
	Create an empty image More...
opj_image_t *OPJ_CALLCONV	opj_image_create (int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc)
	Create an image More...
void OPJ_CALLCONV	opj_image_destroy (opj_image_t *image)
	Deallocate any resources associated with an image More...

Function Documentation

opj_image_create()

opj_image_t* OPJ_CALLCONV opj_image_create	(	int	numcmpts,
		opj_image_cmptparm_t *	cmptparms,
		OPJ_COLOR_SPACE	clrspc
	)

Create an image

Parameters

numcmpts	number of components
cmptparms	components parameters
clrspc	image color space

Returns

returns a new image structure if successful, returns NULL otherwise

References opj_image_comp::bpp, opj_image_comptparm::bpp, opj_image::color_space, opj_image::comps, opj_image_comp::data, opj_image_comp::dx, opj_image_comptparm::dx, opj_image_comp::dy, opj_image_comptparm::dy, opj_image_comp::h, opj_image_comptparm::h, opj_image::numcomps, opj_calloc, opj_image_destroy(), opj_image_comp::prec, opj_image_comptparm::prec, opj_image_comp::sgnd, opj_image_comptparm::sgnd, opj_image_comp::w, opj_image_comptparm::w, opj_image_comp::x0, opj_image_comptparm::x0, opj_image_comp::y0, and opj_image_comptparm::y0.

opj_image_destroy()

void OPJ_CALLCONV opj_image_destroy

(

opj_image_t *

image

)

Deallocate any resources associated with an image

Parameters

image

image to be destroyed

References opj_image::comps, opj_image_comp::data, opj_image::numcomps, and opj_free.

Referenced by j2k_decode(), j2k_decode_jpt_stream(), and opj_image_create().