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LibGfx: Implement serialization of CurveTagData

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Nico Weber 2023-02-17 21:30:43 -05:00 • committed by Andreas Kling
parent 1ca7f109a1
commit 3690305794
1 changed files with 17 additions and 0 deletions
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17
Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp
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@ -47,6 +47,21 @@ static ErrorOr<ByteBuffer> encode_cipc(CicpTagData const& tag_data)
return bytes;
}
static ErrorOr<ByteBuffer> encode_curve(CurveTagData const& tag_data)
{
// ICC v4, 10.6 curveType
auto bytes = TRY(ByteBuffer::create_uninitialized(3 * sizeof(u32) + tag_data.values().size() * sizeof(u16)));
*bit_cast<BigEndian<u32>*>(bytes.data()) = (u32)CurveTagData::Type;
*bit_cast<BigEndian<u32>*>(bytes.data() + 4) = 0;
*bit_cast<BigEndian<u32>*>(bytes.data() + 8) = tag_data.values().size();
auto* values = bit_cast<BigEndian<u16>*>(bytes.data() + 12);
for (size_t i = 0; i < tag_data.values().size(); ++i)
values[i] = tag_data.values()[i];
return bytes;
}
static ErrorOr<ByteBuffer> encode_multi_localized_unicode(MultiLocalizedUnicodeTagData const& tag_data)
{
// ICC v4, 10.15 multiLocalizedUnicodeType
@ -145,6 +160,8 @@ static ErrorOr<ByteBuffer> encode_tag_data(TagData const& tag_data)
return encode_chromaticity(static_cast<ChromaticityTagData const&>(tag_data));
case CicpTagData::Type:
return encode_cipc(static_cast<CicpTagData const&>(tag_data));
case CurveTagData::Type:
return encode_curve(static_cast<CurveTagData const&>(tag_data));
case MultiLocalizedUnicodeTagData::Type:
return encode_multi_localized_unicode(static_cast<MultiLocalizedUnicodeTagData const&>(tag_data));
case ParametricCurveTagData::Type: