Fixed issues with generation of SOP marker.

This commit is contained in:
Parvatha Elangovan
2007-09-19 14:56:19 +00:00
parent a6ba04cdf4
commit 7e40a9475a
5 changed files with 52 additions and 33 deletions

View File

@@ -1423,7 +1423,7 @@ typedef struct tiff_infoheader{
}tiff_infoheader_t;
int imagetotif(opj_image_t * image, const char *outfile) {
int width, height, imgsize;
int width, height, imgsize ;
int bps,index,adjust = 0;
int last_i=0;
TIFF *tif;
@@ -1646,7 +1646,8 @@ int imagetotif(opj_image_t * image, const char *outfile) {
}
width = image->comps[0].w;
height= image->comps[0].h;
height = image->comps[0].h;
imgsize = image->comps[0].w * image->comps[0].h ;
bps = image->comps[0].prec;
/* Set tags */
@@ -1670,38 +1671,47 @@ int imagetotif(opj_image_t * image, const char *outfile) {
dat8 = buf;
if (image->comps[0].prec == 8){
for (i=0; i<TIFFStripSize(tif); i+=1) { // 8 bits per pixel
int r = 0;
r = image->comps[0].data[index];
if (image->comps[0].sgnd){
r += adjust;
}
dat8[i+0] = r;
index++;
if(index < imgsize){
int r = 0;
r = image->comps[0].data[index];
if (image->comps[0].sgnd){
r += adjust;
}
dat8[i+0] = r;
index++;
}else
break;
}
}else if (image->comps[0].prec == 12){
for (i = 0; i<TIFFStripSize(tif); i+=3) { // 12 bits per pixel
int r = 0, r1 = 0;
r = image->comps[0].data[index];
r1 = image->comps[0].data[index+1];
if (image->comps[0].sgnd){
r += adjust;
r1 += adjust;
}
dat8[i+0] = (r >> 4);
dat8[i+1] = ((r & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
dat8[i+2] = r1 ;
index+=2;
if(index < imgsize){
int r = 0, r1 = 0;
r = image->comps[0].data[index];
r1 = image->comps[0].data[index+1];
if (image->comps[0].sgnd){
r += adjust;
r1 += adjust;
}
dat8[i+0] = (r >> 4);
dat8[i+1] = ((r & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
dat8[i+2] = r1 ;
index+=2;
}else
break;
}
}else if (image->comps[0].prec == 16){
for (i=0; i<TIFFStripSize(tif); i+=2) { // 16 bits per pixel
int r = 0;
r = image->comps[0].data[index];
if (image->comps[0].sgnd){
r += adjust;
}
dat8[i+0] = r;
dat8[i+1] = r >> 8;
index++;
if(index < imgsize){
int r = 0;
r = image->comps[0].data[index];
if (image->comps[0].sgnd){
r += adjust;
}
dat8[i+0] = r;
dat8[i+1] = r >> 8;
index++;
}else
break;
}
}else{
fprintf(stderr,"Bits=%d, Only 8,12,16 bits implemented\n",image->comps[0].prec);
@@ -1733,7 +1743,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
OPJ_COLOR_SPACE color_space;
opj_image_cmptparm_t cmptparm[3];
opj_image_t * image = NULL;
int imgsize;
int imgsize = 0;
tif = TIFFOpen(filename, "r");
@@ -1889,6 +1899,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
strip_size = 0;
strip_size = TIFFStripSize(tif);
index = 0;
imgsize = image->comps[0].w * image->comps[0].h ;
/* Read the Image components*/
for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
unsigned char *dat8;