diff options
Diffstat (limited to 'Userland/Libraries/LibGfx/ICC')
| -rw-r--r-- | Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp | 19 | ||||
| -rw-r--r-- | Userland/Libraries/LibGfx/ICC/TagTypes.h | 7 |
2 files changed, 26 insertions, 0 deletions
diff --git a/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp b/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp index 8467f7a894..72bb31d2ca 100644 --- a/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp +++ b/Userland/Libraries/LibGfx/ICC/BinaryWriter.cpp @@ -60,6 +60,23 @@ static ErrorOr<ByteBuffer> encode_multi_localized_unicode(MultiLocalizedUnicodeT return bytes; } +static ErrorOr<ByteBuffer> encode_parametric_curve(ParametricCurveTagData const& tag_data) +{ + // ICC v4, 10.18 parametricCurveType + auto bytes = TRY(ByteBuffer::create_uninitialized(2 * sizeof(u32) + 2 * sizeof(u16) + tag_data.parameter_count() * sizeof(s15Fixed16Number))); + *bit_cast<BigEndian<u32>*>(bytes.data()) = (u32)ParametricCurveTagData::Type; + *bit_cast<BigEndian<u32>*>(bytes.data() + 4) = 0; + + *bit_cast<BigEndian<u16>*>(bytes.data() + 8) = (u16)tag_data.function_type(); + *bit_cast<BigEndian<u16>*>(bytes.data() + 10) = 0; + + auto* parameters = bit_cast<BigEndian<s15Fixed16Number>*>(bytes.data() + 12); + for (size_t i = 0; i < tag_data.parameter_count(); ++i) + parameters[i] = tag_data.parameter(i).raw(); + + return bytes; +} + static ErrorOr<ByteBuffer> encode_s15_fixed_array(S15Fixed16ArrayTagData const& tag_data) { // ICC v4, 10.22 s15Fixed16ArrayType @@ -93,6 +110,8 @@ static ErrorOr<ByteBuffer> encode_tag_data(TagData const& tag_data) switch (tag_data.type()) { case MultiLocalizedUnicodeTagData::Type: return encode_multi_localized_unicode(static_cast<MultiLocalizedUnicodeTagData const&>(tag_data)); + case ParametricCurveTagData::Type: + return encode_parametric_curve(static_cast<ParametricCurveTagData const&>(tag_data)); case S15Fixed16ArrayTagData::Type: return encode_s15_fixed_array(static_cast<S15Fixed16ArrayTagData const&>(tag_data)); case XYZTagData::Type: diff --git a/Userland/Libraries/LibGfx/ICC/TagTypes.h b/Userland/Libraries/LibGfx/ICC/TagTypes.h index 2e4ac26e58..b936e7e672 100644 --- a/Userland/Libraries/LibGfx/ICC/TagTypes.h +++ b/Userland/Libraries/LibGfx/ICC/TagTypes.h @@ -626,6 +626,13 @@ public: static unsigned parameter_count(FunctionType); + unsigned parameter_count() const { return parameter_count(function_type()); } + S15Fixed16 parameter(size_t i) const + { + VERIFY(i < parameter_count()); + return m_parameters[i]; + } + S15Fixed16 g() const { return m_parameters[0]; } S15Fixed16 a() const { |