sergiotarxz/libvips
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Should use exif_tag_name_in_ifd() instead of exif_tag_get_name()

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vipsheader -a path/to/foo.jpg
...
exif-ifd2-ExifVersion: Exif Version 2.21 (Exif Version 2.21, Undefined, 4 components, 4 bytes)
...
exif-ifd3-InteroperabilityIndex: N (N, ASCII, 2 components, 2 bytes)
exif-ifd3-InteroperabilityVersion: 40/1 1/1 58/100 (40,  1, 0.58, Rational, 3 components, 24 bytes)

The above two tag name are incorrect, should be:

exif-ifd3-GPSLatitudeRef: N (N, ASCII, 2 components, 2 bytes)
exif-ifd3-GPSLatitude: 40/1 1/1 58/100 (40,  1, 0.58, Rational, 3 components, 24 bytes)

Signed-off-by: Water Liu <water@yunify.com>
This commit is contained in:
Water Liu 2018-07-09 11:14:01 +08:00
parent 8cf34fd8f9
commit bba03a10d7
1 changed files with 2 additions and 1 deletions
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3
libvips/foreign/exif.c
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@ -317,8 +317,9 @@ vips_exif_attach_entry( ExifEntry *entry, VipsExifParams *params )
VipsBuf vips_name = VIPS_BUF_STATIC( vips_name_txt );
char value_txt[256];
VipsBuf value = VIPS_BUF_STATIC( value_txt );
ExifIfd ifd = exif_entry_get_ifd( entry );
if( !(tag_name = exif_tag_get_name( entry->tag )) )
if( !(tag_name = exif_tag_get_name_in_ifd( entry->tag, ifd )) )
return;
vips_buf_appendf( &vips_name, "exif-ifd%d-%s",