TIFFCustomTagList¶
Synopsis¶
#include <tiffio.h>
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int TIFFGetTagListCount(TIFF *tif)¶
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uint32_t TIFFGetTagListEntry(TIFF *tif, int tag_index)¶
Description¶
TIFFGetTagListCount() returns the number of entries in the
custom tag list.
TIFFGetTagListEntry() returns the tag number of the (n.th - 1)
entry within the custom tag list.
If the tag_index is larger or equal to the number of entries
in the tag list 0xFFFFFFFF (=(uint32_t(-1)) is returned.
Note¶
The known tags to libtiff are define as 'named' tags and a lot of them
as custom tags. The custom tag definitions are handled in an internal
custom tag list. This list can also be extended by adding tag definitions
to that list, so that libtiff is aware of those tags.
See Defining Application Tags
Diagnostics¶
none