/*
- * The copyright in this software is being made available under the 2-clauses
- * BSD License, included below. This software may be subject to other third
+ * The copyright in this software is being made available under the 2-clauses
+ * BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
#include "opj_includes.h"
-opj_image_t* opj_image_create0(void) {
- opj_image_t *image = (opj_image_t*)opj_calloc(1, sizeof(opj_image_t));
- return image;
+opj_image_t* opj_image_create0(void)
+{
+ opj_image_t *image = (opj_image_t*)opj_calloc(1, sizeof(opj_image_t));
+ return image;
}
-opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
- OPJ_UINT32 compno;
- opj_image_t *image = NULL;
-
- image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t));
- if(image) {
- image->color_space = clrspc;
- image->numcomps = numcmpts;
- /* allocate memory for the per-component information */
- image->comps = (opj_image_comp_t*)opj_calloc(1,image->numcomps * sizeof(opj_image_comp_t));
- if(!image->comps) {
- /* TODO replace with event manager, breaks API */
- /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
- opj_image_destroy(image);
- return NULL;
- }
- /* create the individual image components */
- for(compno = 0; compno < numcmpts; compno++) {
- opj_image_comp_t *comp = &image->comps[compno];
- comp->dx = cmptparms[compno].dx;
- comp->dy = cmptparms[compno].dy;
- comp->w = cmptparms[compno].w;
- comp->h = cmptparms[compno].h;
- comp->x0 = cmptparms[compno].x0;
- comp->y0 = cmptparms[compno].y0;
- comp->prec = cmptparms[compno].prec;
- comp->bpp = cmptparms[compno].bpp;
- comp->sgnd = cmptparms[compno].sgnd;
- comp->data = (OPJ_INT32*) opj_calloc(comp->w * comp->h, sizeof(OPJ_INT32));
- if(!comp->data) {
- /* TODO replace with event manager, breaks API */
- /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
- opj_image_destroy(image);
- return NULL;
- }
- }
- }
-
- return image;
+opj_image_t* OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts,
+ opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc)
+{
+ OPJ_UINT32 compno;
+ opj_image_t *image = NULL;
+
+ image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t));
+ if (image) {
+ image->color_space = clrspc;
+ image->numcomps = numcmpts;
+ /* allocate memory for the per-component information */
+ image->comps = (opj_image_comp_t*)opj_calloc(1,
+ image->numcomps * sizeof(opj_image_comp_t));
+ if (!image->comps) {
+ /* TODO replace with event manager, breaks API */
+ /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
+ opj_image_destroy(image);
+ return NULL;
+ }
+ /* create the individual image components */
+ for (compno = 0; compno < numcmpts; compno++) {
+ opj_image_comp_t *comp = &image->comps[compno];
+ comp->dx = cmptparms[compno].dx;
+ comp->dy = cmptparms[compno].dy;
+ comp->w = cmptparms[compno].w;
+ comp->h = cmptparms[compno].h;
+ comp->x0 = cmptparms[compno].x0;
+ comp->y0 = cmptparms[compno].y0;
+ comp->prec = cmptparms[compno].prec;
+ comp->bpp = cmptparms[compno].bpp;
+ comp->sgnd = cmptparms[compno].sgnd;
+ comp->data = (OPJ_INT32*) opj_calloc(comp->w * comp->h, sizeof(OPJ_INT32));
+ if (!comp->data) {
+ /* TODO replace with event manager, breaks API */
+ /* fprintf(stderr,"Unable to allocate memory for image.\n"); */
+ opj_image_destroy(image);
+ return NULL;
+ }
+ }
+ }
+
+ return image;
}
-void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) {
- if(image) {
- if(image->comps) {
- OPJ_UINT32 compno;
-
- /* image components */
- for(compno = 0; compno < image->numcomps; compno++) {
- opj_image_comp_t *image_comp = &(image->comps[compno]);
- if(image_comp->data) {
- opj_free(image_comp->data);
- }
- }
- opj_free(image->comps);
- }
-
- if(image->icc_profile_buf) {
- opj_free(image->icc_profile_buf);
- }
-
- opj_free(image);
- }
+void OPJ_CALLCONV opj_image_destroy(opj_image_t *image)
+{
+ if (image) {
+ if (image->comps) {
+ OPJ_UINT32 compno;
+
+ /* image components */
+ for (compno = 0; compno < image->numcomps; compno++) {
+ opj_image_comp_t *image_comp = &(image->comps[compno]);
+ if (image_comp->data) {
+ opj_free(image_comp->data);
+ }
+ }
+ opj_free(image->comps);
+ }
+
+ if (image->icc_profile_buf) {
+ opj_free(image->icc_profile_buf);
+ }
+
+ opj_free(image);
+ }
}
/**
* Updates the components characteristics of the image from the coding parameters.
*
- * @param p_image_header the image header to update.
- * @param p_cp the coding parameters from which to update the image.
+ * @param p_image_header the image header to update.
+ * @param p_cp the coding parameters from which to update the image.
*/
-void opj_image_comp_header_update(opj_image_t * p_image_header, const struct opj_cp * p_cp)
+void opj_image_comp_header_update(opj_image_t * p_image_header,
+ const struct opj_cp * p_cp)
{
- OPJ_UINT32 i, l_width, l_height;
- OPJ_UINT32 l_x0, l_y0, l_x1, l_y1;
- OPJ_UINT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1;
- opj_image_comp_t* l_img_comp = NULL;
-
- l_x0 = opj_uint_max(p_cp->tx0 , p_image_header->x0);
- l_y0 = opj_uint_max(p_cp->ty0 , p_image_header->y0);
- l_x1 = p_cp->tx0 + (p_cp->tw - 1U) * p_cp->tdx; /* validity of p_cp members used here checked in opj_j2k_read_siz. Can't overflow. */
- l_y1 = p_cp->ty0 + (p_cp->th - 1U) * p_cp->tdy; /* can't overflow */
- l_x1 = opj_uint_min(opj_uint_adds(l_x1, p_cp->tdx), p_image_header->x1); /* use add saturated to prevent overflow */
- l_y1 = opj_uint_min(opj_uint_adds(l_y1, p_cp->tdy), p_image_header->y1); /* use add saturated to prevent overflow */
-
- l_img_comp = p_image_header->comps;
- for (i = 0; i < p_image_header->numcomps; ++i) {
- l_comp_x0 = opj_uint_ceildiv(l_x0, l_img_comp->dx);
- l_comp_y0 = opj_uint_ceildiv(l_y0, l_img_comp->dy);
- l_comp_x1 = opj_uint_ceildiv(l_x1, l_img_comp->dx);
- l_comp_y1 = opj_uint_ceildiv(l_y1, l_img_comp->dy);
- l_width = opj_uint_ceildivpow2(l_comp_x1 - l_comp_x0, l_img_comp->factor);
- l_height = opj_uint_ceildivpow2(l_comp_y1 - l_comp_y0, l_img_comp->factor);
- l_img_comp->w = l_width;
- l_img_comp->h = l_height;
- l_img_comp->x0 = l_comp_x0;
- l_img_comp->y0 = l_comp_y0;
- ++l_img_comp;
- }
+ OPJ_UINT32 i, l_width, l_height;
+ OPJ_UINT32 l_x0, l_y0, l_x1, l_y1;
+ OPJ_UINT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1;
+ opj_image_comp_t* l_img_comp = NULL;
+
+ l_x0 = opj_uint_max(p_cp->tx0, p_image_header->x0);
+ l_y0 = opj_uint_max(p_cp->ty0, p_image_header->y0);
+ l_x1 = p_cp->tx0 + (p_cp->tw - 1U) *
+ p_cp->tdx; /* validity of p_cp members used here checked in opj_j2k_read_siz. Can't overflow. */
+ l_y1 = p_cp->ty0 + (p_cp->th - 1U) * p_cp->tdy; /* can't overflow */
+ l_x1 = opj_uint_min(opj_uint_adds(l_x1, p_cp->tdx),
+ p_image_header->x1); /* use add saturated to prevent overflow */
+ l_y1 = opj_uint_min(opj_uint_adds(l_y1, p_cp->tdy),
+ p_image_header->y1); /* use add saturated to prevent overflow */
+
+ l_img_comp = p_image_header->comps;
+ for (i = 0; i < p_image_header->numcomps; ++i) {
+ l_comp_x0 = opj_uint_ceildiv(l_x0, l_img_comp->dx);
+ l_comp_y0 = opj_uint_ceildiv(l_y0, l_img_comp->dy);
+ l_comp_x1 = opj_uint_ceildiv(l_x1, l_img_comp->dx);
+ l_comp_y1 = opj_uint_ceildiv(l_y1, l_img_comp->dy);
+ l_width = opj_uint_ceildivpow2(l_comp_x1 - l_comp_x0, l_img_comp->factor);
+ l_height = opj_uint_ceildivpow2(l_comp_y1 - l_comp_y0, l_img_comp->factor);
+ l_img_comp->w = l_width;
+ l_img_comp->h = l_height;
+ l_img_comp->x0 = l_comp_x0;
+ l_img_comp->y0 = l_comp_y0;
+ ++l_img_comp;
+ }
}
* Copy only header of image and its component header (no data are copied)
* if dest image have data, they will be freed
*
- * @param p_image_src the src image
- * @param p_image_dest the dest image
+ * @param p_image_src the src image
+ * @param p_image_dest the dest image
*
*/
-void opj_copy_image_header(const opj_image_t* p_image_src, opj_image_t* p_image_dest)
+void opj_copy_image_header(const opj_image_t* p_image_src,
+ opj_image_t* p_image_dest)
{
- OPJ_UINT32 compno;
-
- /* preconditions */
- assert(p_image_src != 00);
- assert(p_image_dest != 00);
-
- p_image_dest->x0 = p_image_src->x0;
- p_image_dest->y0 = p_image_src->y0;
- p_image_dest->x1 = p_image_src->x1;
- p_image_dest->y1 = p_image_src->y1;
-
- if (p_image_dest->comps){
- for(compno = 0; compno < p_image_dest->numcomps; compno++) {
- opj_image_comp_t *image_comp = &(p_image_dest->comps[compno]);
- if(image_comp->data) {
- opj_free(image_comp->data);
- }
- }
- opj_free(p_image_dest->comps);
- p_image_dest->comps = NULL;
- }
-
- p_image_dest->numcomps = p_image_src->numcomps;
-
- p_image_dest->comps = (opj_image_comp_t*) opj_malloc(p_image_dest->numcomps * sizeof(opj_image_comp_t));
- if (!p_image_dest->comps){
- p_image_dest->comps = NULL;
- p_image_dest->numcomps = 0;
- return;
- }
-
- for (compno=0; compno < p_image_dest->numcomps; compno++){
- memcpy( &(p_image_dest->comps[compno]),
- &(p_image_src->comps[compno]),
- sizeof(opj_image_comp_t));
- p_image_dest->comps[compno].data = NULL;
- }
-
- p_image_dest->color_space = p_image_src->color_space;
- p_image_dest->icc_profile_len = p_image_src->icc_profile_len;
-
- if (p_image_dest->icc_profile_len) {
- p_image_dest->icc_profile_buf = (OPJ_BYTE*)opj_malloc(p_image_dest->icc_profile_len);
- if (!p_image_dest->icc_profile_buf){
- p_image_dest->icc_profile_buf = NULL;
- p_image_dest->icc_profile_len = 0;
- return;
- }
- memcpy( p_image_dest->icc_profile_buf,
- p_image_src->icc_profile_buf,
- p_image_src->icc_profile_len);
- }
- else
- p_image_dest->icc_profile_buf = NULL;
-
- return;
+ OPJ_UINT32 compno;
+
+ /* preconditions */
+ assert(p_image_src != 00);
+ assert(p_image_dest != 00);
+
+ p_image_dest->x0 = p_image_src->x0;
+ p_image_dest->y0 = p_image_src->y0;
+ p_image_dest->x1 = p_image_src->x1;
+ p_image_dest->y1 = p_image_src->y1;
+
+ if (p_image_dest->comps) {
+ for (compno = 0; compno < p_image_dest->numcomps; compno++) {
+ opj_image_comp_t *image_comp = &(p_image_dest->comps[compno]);
+ if (image_comp->data) {
+ opj_free(image_comp->data);
+ }
+ }
+ opj_free(p_image_dest->comps);
+ p_image_dest->comps = NULL;
+ }
+
+ p_image_dest->numcomps = p_image_src->numcomps;
+
+ p_image_dest->comps = (opj_image_comp_t*) opj_malloc(p_image_dest->numcomps *
+ sizeof(opj_image_comp_t));
+ if (!p_image_dest->comps) {
+ p_image_dest->comps = NULL;
+ p_image_dest->numcomps = 0;
+ return;
+ }
+
+ for (compno = 0; compno < p_image_dest->numcomps; compno++) {
+ memcpy(&(p_image_dest->comps[compno]),
+ &(p_image_src->comps[compno]),
+ sizeof(opj_image_comp_t));
+ p_image_dest->comps[compno].data = NULL;
+ }
+
+ p_image_dest->color_space = p_image_src->color_space;
+ p_image_dest->icc_profile_len = p_image_src->icc_profile_len;
+
+ if (p_image_dest->icc_profile_len) {
+ p_image_dest->icc_profile_buf = (OPJ_BYTE*)opj_malloc(
+ p_image_dest->icc_profile_len);
+ if (!p_image_dest->icc_profile_buf) {
+ p_image_dest->icc_profile_buf = NULL;
+ p_image_dest->icc_profile_len = 0;
+ return;
+ }
+ memcpy(p_image_dest->icc_profile_buf,
+ p_image_src->icc_profile_buf,
+ p_image_src->icc_profile_len);
+ } else {
+ p_image_dest->icc_profile_buf = NULL;
+ }
+
+ return;
}
-opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
- OPJ_UINT32 compno;
- opj_image_t *image = 00;
-
- image = (opj_image_t*) opj_calloc(1,sizeof(opj_image_t));
- if (image)
- {
-
- image->color_space = clrspc;
- image->numcomps = numcmpts;
-
- /* allocate memory for the per-component information */
- image->comps = (opj_image_comp_t*)opj_calloc(image->numcomps, sizeof(opj_image_comp_t));
- if (!image->comps) {
- opj_image_destroy(image);
- return 00;
- }
-
- /* create the individual image components */
- for(compno = 0; compno < numcmpts; compno++) {
- opj_image_comp_t *comp = &image->comps[compno];
- comp->dx = cmptparms[compno].dx;
- comp->dy = cmptparms[compno].dy;
- comp->w = cmptparms[compno].w;
- comp->h = cmptparms[compno].h;
- comp->x0 = cmptparms[compno].x0;
- comp->y0 = cmptparms[compno].y0;
- comp->prec = cmptparms[compno].prec;
- comp->sgnd = cmptparms[compno].sgnd;
- comp->data = 0;
- }
- }
-
- return image;
+opj_image_t* OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts,
+ opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc)
+{
+ OPJ_UINT32 compno;
+ opj_image_t *image = 00;
+
+ image = (opj_image_t*) opj_calloc(1, sizeof(opj_image_t));
+ if (image) {
+
+ image->color_space = clrspc;
+ image->numcomps = numcmpts;
+
+ /* allocate memory for the per-component information */
+ image->comps = (opj_image_comp_t*)opj_calloc(image->numcomps,
+ sizeof(opj_image_comp_t));
+ if (!image->comps) {
+ opj_image_destroy(image);
+ return 00;
+ }
+
+ /* create the individual image components */
+ for (compno = 0; compno < numcmpts; compno++) {
+ opj_image_comp_t *comp = &image->comps[compno];
+ comp->dx = cmptparms[compno].dx;
+ comp->dy = cmptparms[compno].dy;
+ comp->w = cmptparms[compno].w;
+ comp->h = cmptparms[compno].h;
+ comp->x0 = cmptparms[compno].x0;
+ comp->y0 = cmptparms[compno].y0;
+ comp->prec = cmptparms[compno].prec;
+ comp->sgnd = cmptparms[compno].sgnd;
+ comp->data = 0;
+ }
+ }
+
+ return image;
}
projects / openjpeg.git / blobdiff