Editing Template:IFD format

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<noinclude>[[Category:IFD]]</noinclude>
A TIFF field is a logical entity consisting of TIFF tag and its value. This logical concept is implemented as an IFD Entry, plus the actual value if it doesn’t fit into the value/offset part, the last 4 bytes of the IFD Entry. The terms TIFF field and IFD entry are interchangeable in most contexts.
=== IFD format ===
=== IFD format ===


An Image File Directory (IFD) consists of a 2-byte count of the number of directory entries (i.e., the number of fields), followed by a sequence of 12-byte field
An Image File Directory (IFD) consists of a 2-byte count of the number of direc-
tory entries (i.e., the number of fields), followed by a sequence of 12-byte field
entries, followed by a 4-byte offset of the next IFD (or 0 if none). (Do not forget to
entries, followed by a 4-byte offset of the next IFD (or 0 if none). (Do not forget to
write the 4 bytes of 0 after the last IFD.
write the 4 bytes of 0 after the last IFD.
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<noinclude>[[Category:Templates]]</noinclude>
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