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LibGfx: Implement serialization of CicpTagData

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Nico Weber 2023-02-17 21:25:27 -05:00 • committed by Andreas Kling
parent fd590fe55d
commit 1ca7f109a1
1 changed files with 15 additions and 0 deletions
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15
Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp
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@ -34,6 +34,19 @@ static ErrorOr<ByteBuffer> encode_chromaticity(ChromaticityTagData const& tag_da
return bytes;
}
static ErrorOr<ByteBuffer> encode_cipc(CicpTagData const& tag_data)
{
// ICC v4, 10.3 cicpType
auto bytes = TRY(ByteBuffer::create_uninitialized(2 * sizeof(u32) + 4));
*bit_cast<BigEndian<u32>*>(bytes.data()) = (u32)CicpTagData::Type;
*bit_cast<BigEndian<u32>*>(bytes.data() + 4) = 0;
bytes.data()[8] = tag_data.color_primaries();
bytes.data()[9] = tag_data.transfer_characteristics();
bytes.data()[10] = tag_data.matrix_coefficients();
bytes.data()[11] = tag_data.video_full_range_flag();
return bytes;
}
static ErrorOr<ByteBuffer> encode_multi_localized_unicode(MultiLocalizedUnicodeTagData const& tag_data)
{
// ICC v4, 10.15 multiLocalizedUnicodeType
@ -130,6 +143,8 @@ static ErrorOr<ByteBuffer> encode_tag_data(TagData const& tag_data)
switch (tag_data.type()) {
case ChromaticityTagData::Type:
return encode_chromaticity(static_cast<ChromaticityTagData const&>(tag_data));
case CicpTagData::Type:
return encode_cipc(static_cast<CicpTagData const&>(tag_data));
case MultiLocalizedUnicodeTagData::Type:
return encode_multi_localized_unicode(static_cast<MultiLocalizedUnicodeTagData const&>(tag_data));
case ParametricCurveTagData::Type: