OpenJPEG
2.2.0
|
Functions | |
opj_image_t * | opj_image_create0 (void) |
Create an empty image. More... | |
void | opj_image_comp_header_update (opj_image_t *p_image, 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... | |
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.
p_image_src | the src image |
p_image_dest | the dest image |
References opj_image::color_space, opj_image::comps, opj_image_comp::data, opj_image::icc_profile_buf, opj_image::icc_profile_len, opj_image::numcomps, opj_free(), opj_malloc(), opj_image::x0, opj_image::x1, opj_image::y0, and opj_image::y1.
Referenced by opj_j2k_decode(), opj_j2k_get_tile(), opj_j2k_read_header(), and opj_j2k_start_compress().
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.
p_image_header | the image header to update. |
p_cp | the coding parameters from which to update the image. |
References opj_image::comps, opj_image_comp::dx, opj_image_comp::dy, opj_image_comp::factor, opj_image_comp::h, opj_image::numcomps, opj_uint_adds(), opj_uint_ceildiv(), opj_uint_ceildivpow2(), opj_uint_max(), opj_uint_min(), opj_cp::tdx, opj_cp::tdy, opj_cp::th, opj_cp::tw, opj_cp::tx0, opj_cp::ty0, opj_image_comp::w, opj_image_comp::x0, opj_image::x0, opj_image::x1, opj_image_comp::y0, opj_image::y0, and opj_image::y1.
Referenced by opj_j2k_read_siz().
opj_image_t* opj_image_create0 | ( | void | ) |
Create an empty image.
References opj_calloc().
Referenced by opj_j2k_decode(), opj_j2k_get_tile(), opj_j2k_read_header(), and opj_j2k_start_compress().