OpenJPEG
2.2.0
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#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 (OPJ_UINT32 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... | |
void | opj_image_comp_header_update (opj_image_t *p_image_header, const struct opj_cp *p_cp) |
Updates the components characteristics of the image from the coding parameters. More... | |
void | opj_copy_image_header (const opj_image_t *p_image_src, opj_image_t *p_image_dest) |
Copy only header of image and its component header (no data are copied) if dest image have data, they will be freed. More... | |
opj_image_t *OPJ_CALLCONV | opj_image_tile_create (OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) |
Creates an image without allocating memory for the image (used in the new version of the library). More... | |
opj_image_t* OPJ_CALLCONV opj_image_create | ( | OPJ_UINT32 | numcmpts, |
opj_image_cmptparm_t * | cmptparms, | ||
OPJ_COLOR_SPACE | clrspc | ||
) |
Create an image.
numcmpts | number of components |
cmptparms | components parameters |
clrspc | image color space |
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_data_alloc(), opj_image_destroy(), opj_image_comp::prec, opj_image_comptparm::prec, opj_image_comp::sgnd, opj_image_comptparm::sgnd, SIZE_MAX, 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.
void OPJ_CALLCONV opj_image_destroy | ( | opj_image_t * | image | ) |
Deallocate any resources associated with an image.
image | image to be destroyed |
References opj_image::comps, opj_image_comp::data, opj_image::icc_profile_buf, opj_image::numcomps, opj_free(), and opj_image_data_free().
Referenced by j2k_to_pnm(), opj_image_create(), opj_image_tile_create(), opj_j2k_decode(), opj_j2k_destroy(), opj_j2k_get_tile(), and opj_j2k_read_header().
opj_image_t* OPJ_CALLCONV opj_image_tile_create | ( | OPJ_UINT32 | numcmpts, |
opj_image_cmptparm_t * | cmptparms, | ||
OPJ_COLOR_SPACE | clrspc | ||
) |
Creates an image without allocating memory for the image (used in the new version of the library).
numcmpts | the number of components |
cmptparms | the components parameters |
clrspc | the image color space |
References 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.