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authorMickael Savinaud <savmickael@users.noreply.github.com>2011-09-19 13:30:21 +0000
committerMickael Savinaud <savmickael@users.noreply.github.com>2011-09-19 13:30:21 +0000
commitb0ef524b9e0e0b84c97ead25ee84531b7ada35ec (patch)
tree530d72cfc326f5e48afac7a2fd92c831478ddf9b /libopenjpeg/image.c
parentb138aaae08d81965d0451465426d057aed3cbbfc (diff)
WIP: new image_header struct is used and enable used of cstr_info
Diffstat (limited to 'libopenjpeg/image.c')
-rw-r--r--libopenjpeg/image.c43
1 files changed, 30 insertions, 13 deletions
diff --git a/libopenjpeg/image.c b/libopenjpeg/image.c
index 7ca25b1e..a368c942 100644
--- a/libopenjpeg/image.c
+++ b/libopenjpeg/image.c
@@ -31,6 +31,11 @@ opj_image_t* opj_image_create0(void) {
return image;
}
+opj_image_header_t* opj_image_header_create0(void) {
+ opj_image_header_t *image_header = (opj_image_header_t*)opj_calloc(1, sizeof(opj_image_header_t));
+ return image_header;
+}
+
opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc) {
int compno;
opj_image_t *image = NULL;
@@ -70,6 +75,7 @@ opj_image_t* OPJ_CALLCONV opj_image_create(int numcmpts, opj_image_cmptparm_t *c
return image;
}
+// TODO remove this one
void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) {
int i;
if(image) {
@@ -87,26 +93,37 @@ void OPJ_CALLCONV opj_image_destroy(opj_image_t *image) {
}
}
+
+void OPJ_CALLCONV opj_image_header_destroy(opj_image_header_t *image) {
+ if(image) {
+ if(image->comps) {
+ /* image components */
+ opj_free(image->comps);
+ }
+ opj_free(image);
+ }
+}
+
/**
- * Updates the components of the image from the coding parameters.
+ * Updates the components characteristics of the image from the coding parameters.
*
- * @param p_image the image 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_update(opj_image_t * p_image,const opj_cp_v2_t * p_cp)
+void opj_image_comp_header_update(opj_image_header_t * p_image_header, const opj_cp_v2_t * p_cp)
{
OPJ_UINT32 i, l_width, l_height;
- OPJ_INT32 l_x0,l_y0,l_x1,l_y1;
- OPJ_INT32 l_comp_x0,l_comp_y0,l_comp_x1,l_comp_y1;
- opj_image_comp_t * l_img_comp = 00;
+ OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
+ OPJ_INT32 l_comp_x0, l_comp_y0, l_comp_x1, l_comp_y1;
+ opj_image_comp_header_t* l_img_comp = NULL;
- l_x0 = int_max(p_cp->tx0 , p_image->x0);
- l_y0 = int_max(p_cp->ty0 , p_image->y0);
- l_x1 = int_min(p_cp->tx0 + p_cp->tw * p_cp->tdx, p_image->x1);
- l_y1 = int_min(p_cp->ty0 + p_cp->th * p_cp->tdy, p_image->y1);
+ l_x0 = int_max(p_cp->tx0 , p_image_header->x0);
+ l_y0 = int_max(p_cp->ty0 , p_image_header->y0);
+ l_x1 = int_min(p_cp->tx0 + p_cp->tw * p_cp->tdx, p_image_header->x1);
+ l_y1 = int_min(p_cp->ty0 + p_cp->th * p_cp->tdy, p_image_header->y1);
- l_img_comp = p_image->comps;
- for (i = 0; i < p_image->numcomps; ++i) {
+ l_img_comp = p_image_header->comps;
+ for (i = 0; i < p_image_header->numcomps; ++i) {
l_comp_x0 = int_ceildiv(l_x0, l_img_comp->dx);
l_comp_y0 = int_ceildiv(l_y0, l_img_comp->dy);
l_comp_x1 = int_ceildiv(l_x1, l_img_comp->dx);