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LibGfx: Implement serialization of SignatureTagData

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Nico Weber 2023-02-17 21:33:29 -05:00 • committed by Andreas Kling
parent 3690305794
commit df5dbc180f
1 changed files with 12 additions and 0 deletions
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12
Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp
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@ -139,6 +139,16 @@ static ErrorOr<ByteBuffer> encode_s15_fixed_array(S15Fixed16ArrayTagData const&
return bytes; return bytes;
} }
static ErrorOr<ByteBuffer> encode_signature(SignatureTagData const& tag_data)
{
// ICC v4, 10.23 signatureType
auto bytes = TRY(ByteBuffer::create_uninitialized(3 * sizeof(u32)));
*bit_cast<BigEndian<u32>*>(bytes.data()) = (u32)SignatureTagData::Type;
*bit_cast<BigEndian<u32>*>(bytes.data() + 4) = 0;
*bit_cast<BigEndian<u32>*>(bytes.data() + 8) = tag_data.signature();
return bytes;
}
static ErrorOr<ByteBuffer> encode_xyz(XYZTagData const& tag_data) static ErrorOr<ByteBuffer> encode_xyz(XYZTagData const& tag_data)
{ {
// ICC v4, 10.31 XYZType // ICC v4, 10.31 XYZType
@ -168,6 +178,8 @@ static ErrorOr<ByteBuffer> encode_tag_data(TagData const& tag_data)
return encode_parametric_curve(static_cast<ParametricCurveTagData const&>(tag_data)); return encode_parametric_curve(static_cast<ParametricCurveTagData const&>(tag_data));
case S15Fixed16ArrayTagData::Type: case S15Fixed16ArrayTagData::Type:
return encode_s15_fixed_array(static_cast<S15Fixed16ArrayTagData const&>(tag_data)); return encode_s15_fixed_array(static_cast<S15Fixed16ArrayTagData const&>(tag_data));
case SignatureTagData::Type:
return encode_signature(static_cast<SignatureTagData const&>(tag_data));
case XYZTagData::Type: case XYZTagData::Type:
return encode_xyz(static_cast<XYZTagData const&>(tag_data)); return encode_xyz(static_cast<XYZTagData const&>(tag_data));
} }