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LibGfx: Implement serialization of MeasurementTagData

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Nico Weber 2023-02-17 22:10:07 -05:00 • committed by Andreas Kling
parent 8e5392f9c0
commit 22c0e6b60e
1 changed files with 19 additions and 0 deletions
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19
Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp
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@ -62,6 +62,23 @@ static ErrorOr<ByteBuffer> encode_curve(CurveTagData const& tag_data)
return bytes; return bytes;
} }
static ErrorOr<ByteBuffer> encode_measurement(MeasurementTagData const& tag_data)
{
// ICC v4, 10.14 measurementType
auto bytes = TRY(ByteBuffer::create_uninitialized(2 * sizeof(u32) + sizeof(MeasurementHeader)));
*bit_cast<BigEndian<u32>*>(bytes.data()) = (u32)MeasurementTagData::Type;
*bit_cast<BigEndian<u32>*>(bytes.data() + 4) = 0;
auto& header = *bit_cast<MeasurementHeader*>(bytes.data() + 8);
header.standard_observer = tag_data.standard_observer();
header.tristimulus_value_for_measurement_backing = tag_data.tristimulus_value_for_measurement_backing();
header.measurement_geometry = tag_data.measurement_geometry();
header.measurement_flare = tag_data.measurement_flare().raw();
header.standard_illuminant = tag_data.standard_illuminant();
return bytes;
}
static ErrorOr<ByteBuffer> encode_multi_localized_unicode(MultiLocalizedUnicodeTagData const& tag_data) static ErrorOr<ByteBuffer> encode_multi_localized_unicode(MultiLocalizedUnicodeTagData const& tag_data)
{ {
// ICC v4, 10.15 multiLocalizedUnicodeType // ICC v4, 10.15 multiLocalizedUnicodeType
@ -186,6 +203,8 @@ static ErrorOr<ByteBuffer> encode_tag_data(TagData const& tag_data)
return encode_cipc(static_cast<CicpTagData const&>(tag_data)); return encode_cipc(static_cast<CicpTagData const&>(tag_data));
case CurveTagData::Type: case CurveTagData::Type:
return encode_curve(static_cast<CurveTagData const&>(tag_data)); return encode_curve(static_cast<CurveTagData const&>(tag_data));
case MeasurementTagData::Type:
return encode_measurement(static_cast<MeasurementTagData const&>(tag_data));
case MultiLocalizedUnicodeTagData::Type: case MultiLocalizedUnicodeTagData::Type:
return encode_multi_localized_unicode(static_cast<MultiLocalizedUnicodeTagData const&>(tag_data)); return encode_multi_localized_unicode(static_cast<MultiLocalizedUnicodeTagData const&>(tag_data));
case ParametricCurveTagData::Type: case ParametricCurveTagData::Type: