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LibGfx+icc: Implement half of lutAToBType and lutBToAType

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These are among the permitted tag types of ATo0Tag and BToA0Tag,
which are among the required tags of most profiles. They are the
last permitted tag types for those profiles (the other are
lut8Type or lut16Type, which are already implemented).

They are pretty chonky types though, so this only implements
support for the E matrix and the CLUT. Support for the various
curves will be in a future PR.
This commit is contained in:
Nico Weber 2023-01-28 21:41:19 -05:00 • committed by Linus Groh
parent 913119b492
commit 2ff11bac3d
4 changed files with 355 additions and 2 deletions
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4
Userland/Libraries/LibGfx/ICC/Profile.cpp
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@ -580,6 +580,10 @@ ErrorOr<NonnullRefPtr<TagData>> Profile::read_tag(ReadonlyBytes bytes, u32 offse
return Lut16TagData::from_bytes(tag_bytes, offset_to_beginning_of_tag_data_element, size_of_tag_data_element);
case Lut8TagData::Type:
return Lut8TagData::from_bytes(tag_bytes, offset_to_beginning_of_tag_data_element, size_of_tag_data_element);
case LutAToBTagData::Type:
return LutAToBTagData::from_bytes(tag_bytes, offset_to_beginning_of_tag_data_element, size_of_tag_data_element);
case LutBToATagData::Type:
return LutBToATagData::from_bytes(tag_bytes, offset_to_beginning_of_tag_data_element, size_of_tag_data_element);
case MultiLocalizedUnicodeTagData::Type:
return MultiLocalizedUnicodeTagData::from_bytes(tag_bytes, offset_to_beginning_of_tag_data_element, size_of_tag_data_element);
case NamedColor2TagData::Type: