diff options
| -rw-r--r-- | Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp b/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp index 72bb31d2ca..294c90ec3d 100644 --- a/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp +++ b/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp @@ -14,6 +14,26 @@ namespace Gfx::ICC { +static ErrorOr<ByteBuffer> encode_chromaticity(ChromaticityTagData const& tag_data) +{ + // ICC v4, 10.2 chromaticityType + auto bytes = TRY(ByteBuffer::create_uninitialized(2 * sizeof(u32) + 2 * sizeof(u16) + tag_data.xy_coordinates().size() * 2 * sizeof(u16Fixed16Number))); + + *bit_cast<BigEndian<u32>*>(bytes.data()) = (u32)ChromaticityTagData::Type; + *bit_cast<BigEndian<u32>*>(bytes.data() + 4) = 0; + + *bit_cast<BigEndian<u16>*>(bytes.data() + 8) = tag_data.xy_coordinates().size(); + *bit_cast<BigEndian<u16>*>(bytes.data() + 10) = (u16)tag_data.phosphor_or_colorant_type(); + + auto* coordinates = bit_cast<BigEndian<u16Fixed16Number>*>(bytes.data() + 12); + for (size_t i = 0; i < tag_data.xy_coordinates().size(); ++i) { + coordinates[2 * i] = tag_data.xy_coordinates()[i].x.raw(); + coordinates[2 * i + 1] = tag_data.xy_coordinates()[i].y.raw(); + } + + return bytes; +} + static ErrorOr<ByteBuffer> encode_multi_localized_unicode(MultiLocalizedUnicodeTagData const& tag_data) { // ICC v4, 10.15 multiLocalizedUnicodeType @@ -108,6 +128,8 @@ static ErrorOr<ByteBuffer> encode_xyz(XYZTagData const& tag_data) 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 MultiLocalizedUnicodeTagData::Type: return encode_multi_localized_unicode(static_cast<MultiLocalizedUnicodeTagData const&>(tag_data)); case ParametricCurveTagData::Type: |