dnrops
/
gimp
mirror of https://github.com/GNOME/gimp.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Bug 492048 - Detect color space in Exif 2.21/DCF 2.0 option files 

Copy a ton of logic from darktable and libkexiv2 and parse more
metadata tags which contain colorspace information, namely:

Exif.Photo.ColorSpace
Xmp.exif.ColorSpace
Exif.Nikon3.ColorSpace
Exif.Canon.ColorSpace
This commit is contained in:
Michael Natterer 2015-09-28 19:54:18 +02:00
parent 0bc3a82c77
commit 7e9957851e
1 changed files with 79 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

93
libgimp/gimpimagemetadata.c
View File

@ -177,28 +177,93 @@ gimp_image_metadata_load_finish (gint32 image_ID,
if (flags & GIMP_METADATA_LOAD_COLORSPACE)
{
gchar *value;
GimpColorProfile *profile = gimp_image_get_color_profile (image_ID);
value = gexiv2_metadata_get_tag_interpreted_string (metadata,
"Exif.Iop.InteroperabilityIndex");
if (! g_strcmp0 (value, "R03"))
/* only look for colorspace information from metadata if the
* image didn't contain an embedded color profile
*
* the logic here was mostly taken from darktable and libkexiv2
*/
if (! profile)
{
GimpColorProfile *profile = gimp_image_get_color_profile (image_ID);
glong colorspace = -1;
if (! profile)
if (gexiv2_metadata_has_tag (metadata,
"Exif.Photo.ColorSpace"))
{
/* honor the R03 InteroperabilityIndex only if the
* image didn't contain an ICC profile
*/
profile = gimp_color_profile_new_adobe_rgb ();
gimp_image_set_color_profile (image_ID, profile);
colorspace = gexiv2_metadata_get_tag_long (metadata,
"Exif.Photo.ColorSpace");
}
else if (gexiv2_metadata_has_tag (metadata,
"Xmp.exif.ColorSpace"))
{
colorspace = gexiv2_metadata_get_tag_long (metadata,
"Xmp.exif.ColorSpace");
}
g_object_unref (profile);
if (colorspace == 0x01)
{
/* sRGB, a NULL profile will do the right thing */
}
else if (colorspace == 0x02)
{
profile = gimp_color_profile_new_adobe_rgb ();
}
else if (colorspace == 0xffff)
{
gchar *iop_index;
iop_index = gexiv2_metadata_get_tag_string (metadata,
"Exif.Iop.InteroperabilityIndex");
if (! g_strcmp0 (iop_index, "R03"))
{
profile = gimp_color_profile_new_adobe_rgb ();
}
else if (! g_strcmp0 (iop_index, "R98"))
{
/* sRGB, a NULL profile will do the right thing */
}
g_free (iop_index);
}
else if (gexiv2_metadata_has_tag (metadata,
"Exif.Nikon3.ColorSpace"))
{
colorspace = gexiv2_metadata_get_tag_long (metadata,
"Exif.Nikon3.ColorSpace");
if (colorspace == 0x01)
{
/* sRGB, a NULL profile will do the right thing */
}
else if (colorspace == 0x02)
{
profile = gimp_color_profile_new_adobe_rgb ();
}
}
else if (gexiv2_metadata_has_tag (metadata,
"Exif.Canon.ColorSpace"))
{
colorspace = gexiv2_metadata_get_tag_long (metadata,
"Exif.Canon.ColorSpace");
if (colorspace == 0x01)
{
/* sRGB, a NULL profile will do the right thing */
}
else if (colorspace == 0x02)
{
profile = gimp_color_profile_new_adobe_rgb ();
}
}
if (profile)
gimp_image_set_color_profile (image_ID, profile);
}
g_free (value);
if (profile)
g_object_unref (profile);
}
gimp_image_set_metadata (image_ID, metadata);