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Allow to modify/create EXIF OffsetTime* tags (#2796) 

Available since libexif 0.6.23.
This commit is contained in:
Kleis Auke Wolthuizen 2022-05-10 14:26:09 +02:00 committed by GitHub
parent 7e64c48ca9
commit 9cbc361269
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 21 additions and 4 deletions
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12
configure.ac
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@ -1469,8 +1469,16 @@ if test x"$with_libexif" != x"no"; then
PACKAGES_USED="$PACKAGES_USED libexif"
# 0.6.22 adds a couple of EXIF 2.3 ASCII tags
PKG_CHECK_MODULES(EXIF_2_3_ASCII_TAGS, libexif >= 0.6.22,
[AC_DEFINE(HAVE_EXIF_2_3_ASCII_TAGS,1,[define if your libexif has EXIF 2.3 ASCII tags.])
PKG_CHECK_MODULES(EXIF_0_6_22, libexif >= 0.6.22,
[AC_DEFINE(HAVE_EXIF_0_6_22,1,[define if you have libexif >= 0.6.22])
],
[:
]
)
# 0.6.23 adds some OffsetTime* ASCII tags
PKG_CHECK_MODULES(EXIF_0_6_23, libexif >= 0.6.23,
[AC_DEFINE(HAVE_EXIF_0_6_23,1,[define if you have libexif >= 0.6.23])
],
[:
]

7
libvips/foreign/exif.c
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@ -777,12 +777,17 @@ tag_is_ascii( ExifTag tag )
tag == EXIF_TAG_SUB_SEC_TIME ||
tag == EXIF_TAG_SUB_SEC_TIME_ORIGINAL ||
tag == EXIF_TAG_SUB_SEC_TIME_DIGITIZED
#ifdef HAVE_EXIF_2_3_ASCII_TAGS
#ifdef HAVE_EXIF_0_6_22
|| tag == EXIF_TAG_CAMERA_OWNER_NAME
|| tag == EXIF_TAG_BODY_SERIAL_NUMBER
|| tag == EXIF_TAG_LENS_MAKE
|| tag == EXIF_TAG_LENS_MODEL
|| tag == EXIF_TAG_LENS_SERIAL_NUMBER
#endif
#ifdef HAVE_EXIF_0_6_23
|| tag == EXIF_TAG_OFFSET_TIME
|| tag == EXIF_TAG_OFFSET_TIME_ORIGINAL
|| tag == EXIF_TAG_OFFSET_TIME_DIGITIZED
#endif
);
}

6
meson.build
View File

@ -269,7 +269,11 @@ if libexif_dep.found()
endif
# 0.6.22 adds a couple of EXIF 2.3 ASCII tags
if libexif_dep.version().version_compare('>=0.6.22')
cfg_var.set('HAVE_EXIF_2_3_ASCII_TAGS', '1')
cfg_var.set('HAVE_EXIF_0_6_22', '1')
endif
# 0.6.23 adds some OffsetTime* ASCII tags
if libexif_dep.version().version_compare('>=0.6.23')
cfg_var.set('HAVE_EXIF_0_6_23', '1')
endif
endif