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LibGfx/TIFF: Parse more common tags

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These tags are either part of the baseline specification or included by
default by GIMP when exporting TIFF files. Note that we don't add
support for them in the decoder yet. This commit only allows us to parse
the metadata and display it gracefully.
This commit is contained in:
Lucas CHOLLET 2023-12-17 19:28:54 -05:00 committed by Jelle Raaijmakers
parent bd08b1815f
commit 5b62d877f2
Notes: sideshowbarker 2024-07-17 07:48:42 +09:00 
Author: https://github.com/LucasChollet
Commit: https://github.com/SerenityOS/serenity/commit/5b62d877f2
Pull-request: https://github.com/SerenityOS/serenity/pull/22348
Reviewed-by: https://github.com/gmta ✅
1 changed files with 38 additions and 0 deletions
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38
Userland/Libraries/LibGfx/TIFFGenerator.py
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@ -61,6 +61,35 @@ class PhotometricInterpretation(EnumWithExportName):
CIELab = 8
class Orientation(EnumWithExportName):
Default = 1
FlipHorizontally = 2
Rotate180 = 3
FlipVertically = 4
Rotate90ClockwiseThenFlipHorizontally = 5
Rotate90Clockwise = 6
FlipHorizontallyThenRotate90Clockwise = 7
Rotate90CounterClockwise = 8
class PlanarConfiguration(EnumWithExportName):
Chunky = 1
Planar = 2
class ResolutionUnit(EnumWithExportName):
NoAbsolute = 1
Inch = 2
Centimeter = 3
class SampleFormat(EnumWithExportName):
Unsigned = 1
Signed = 2
Float = 3
Undefined = 4
tag_fields = ['id', 'types', 'counts', 'default', 'name', 'associated_enum']
Tag = namedtuple(
@ -77,9 +106,16 @@ known_tags: List[Tag] = [
Tag('259', [TIFFType.UnsignedShort], [1], None, "Compression", Compression),
Tag('262', [TIFFType.UnsignedShort], [1], None, "PhotometricInterpretation", PhotometricInterpretation),
Tag('273', [TIFFType.UnsignedShort, TIFFType.UnsignedLong], [], None, "StripOffsets"),
Tag('274', [TIFFType.UnsignedShort], [1], Orientation.Default, "Orientation", Orientation),
Tag('277', [TIFFType.UnsignedShort], [1], None, "SamplesPerPixel"),
Tag('278', [TIFFType.UnsignedShort, TIFFType.UnsignedLong], [1], None, "RowsPerStrip"),
Tag('279', [TIFFType.UnsignedShort, TIFFType.UnsignedLong], [], None, "StripByteCounts"),
Tag('282', [TIFFType.UnsignedRational], [], None, "XResolution"),
Tag('283', [TIFFType.UnsignedRational], [], None, "YResolution"),
Tag('284', [TIFFType.UnsignedShort], [], PlanarConfiguration.Chunky, "PlanarConfiguration", PlanarConfiguration),
Tag('285', [TIFFType.ASCII], [], None, "PageName"),
Tag('296', [TIFFType.UnsignedShort], [], ResolutionUnit.Inch, "ResolutionUnit", ResolutionUnit),
Tag('339', [TIFFType.UnsignedShort], [], SampleFormat.Unsigned, "SampleFormat", SampleFormat),
Tag('317', [TIFFType.UnsignedShort], [1], Predictor.NoPrediction, "Predictor", Predictor),
Tag('34675', [TIFFType.Undefined], [], None, "ICCProfile"),
]
@ -162,6 +198,8 @@ def tiff_type_to_cpp(t: TIFFType, without_promotion: bool = False) -> str:
return 'u16'
if t == TIFFType.UnsignedLong:
return 'u32'
if t == TIFFType.UnsignedRational:
return 'TIFF::Rational<u32>'
raise RuntimeError(f'Type "{t}" not recognized, please update tiff_type_to_read_only_cpp()')