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J2K fixes

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This commit is contained in:
Aang23 2023-08-06 11:52:06 +02:00
parent 6268fc11ab
commit 4df3a270eb
1 changed files with 24 additions and 3 deletions
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27
src-core/common/image/image_j2kio.cpp
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@ -21,6 +21,7 @@ namespace image
OPJ_CODEC_FORMAT codec_format = OPJ_CODEC_J2K;
opj_set_default_encoder_parameters(&parameters);
parameters.numresolution = 5;
{
opj_image_cmptparm_t comp_params[4];
@ -162,10 +163,30 @@ namespace image
}
// Parse into image
int depth = image->comps[0].prec;
init(image->x1, image->y1, image->numcomps);
for (int c = 0; c < d_channels; c++)
for (int i = 0; i < int(image->x1 * image->y1); i++)
channel(c)[i] = image->comps[c].data[i];
if (d_depth == 16)
{
for (int c = 0; c < d_channels; c++)
for (int i = 0; i < int(image->x1 * image->y1); i++)
channel(c)[i] = image->comps[c].data[i] << (16 - depth);
}
else if (d_depth == 8)
{
if (depth >= 8)
{
for (int c = 0; c < d_channels; c++)
for (int i = 0; i < int(image->x1 * image->y1); i++)
channel(c)[i] = image->comps[c].data[i] >> (depth - 8);
}
else
{
for (int c = 0; c < d_channels; c++)
for (int i = 0; i < int(image->x1 * image->y1); i++)
channel(c)[i] = image->comps[c].data[i] << (8 - depth);
}
}
// Free everything up
opj_destroy_codec(l_codec);