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LibGfx/TIFF: Add support for the IFD type
As described in the first edition of the TIFF technical notes, the IFD type is identical to Long (UnsignedLong) except that it only contains offset of valid IFDs. https://www.awaresystems.be/imaging/tiff/specification/TIFFPM6.pdf
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3 changed files with 7 additions and 1 deletions
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@ -40,6 +40,7 @@ class TIFFType(EnumWithExportName):
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SignedRational = 10, 8
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Float = 11, 4
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Double = 12, 8
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IFD = 13, 4
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UTF8 = 129, 1
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@ -218,7 +219,7 @@ def tiff_type_to_cpp(t: TIFFType, with_promotion: bool = True) -> str:
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return 'ByteBuffer'
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if t == TIFFType.UnsignedShort:
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return 'u16'
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if t == TIFFType.UnsignedLong:
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if t == TIFFType.UnsignedLong or t == TIFFType.IFD:
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return 'u32'
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if t == TIFFType.UnsignedRational:
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return 'TIFF::Rational<u32>'
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