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[trunk] Make sure to use 8bits buffer when applying the ICC profile. 

Fixes issue 281
This commit is contained in:
Mathieu Malaterre 2014-03-12 14:18:25 +00:00
parent dd0d2c2f0a
commit 41add6882b
1 changed files with 44 additions and 0 deletions
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44
src/bin/common/color.c
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@ -326,8 +326,16 @@ void color_apply_icc_profile(opj_image_t *image)
if(out_space == cmsSigRgbData) /* enumCS 16 */
{
if( prec <= 8 )
{
in_type = TYPE_RGB_8;
out_type = TYPE_RGB_8;
}
else
{
in_type = TYPE_RGB_16;
out_type = TYPE_RGB_16;
}
out_prof = cmsCreate_sRGBProfile();
image->color_space = OPJ_CLRSPC_SRGB;
}
@ -408,6 +416,41 @@ fprintf(stderr,"%s:%d:color_apply_icc_profile\n\tcmsCreateTransform failed. "
if(image->numcomps > 2)/* RGB, RGBA */
{
if( prec <= 8 )
{
unsigned char *inbuf, *outbuf, *in, *out;
max = max_w * max_h;
nr_samples = (cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned char);
in = inbuf = (unsigned char*)malloc(nr_samples);
out = outbuf = (unsigned char*)malloc(nr_samples);
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for(i = 0; i < max; ++i)
{
*in++ = (unsigned char)*r++;
*in++ = (unsigned char)*g++;
*in++ = (unsigned char)*b++;
}
cmsDoTransform(transform, inbuf, outbuf, (cmsUInt32Number)max);
r = image->comps[0].data;
g = image->comps[1].data;
b = image->comps[2].data;
for(i = 0; i < max; ++i)
{
*r++ = (int)*out++;
*g++ = (int)*out++;
*b++ = (int)*out++;
}
free(inbuf); free(outbuf);
}
else
{
unsigned short *inbuf, *outbuf, *in, *out;
max = max_w * max_h;
nr_samples = (cmsUInt32Number)max * 3 * (cmsUInt32Number)sizeof(unsigned short);
@ -438,6 +481,7 @@ fprintf(stderr,"%s:%d:color_apply_icc_profile\n\tcmsCreateTransform failed. "
*b++ = (int)*out++;
}
free(inbuf); free(outbuf);
}
}
else /* GRAY, GRAYA */
{