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LibGfx+icc: Add ICCProfile support for s15Fixed16ArrayType and print it
This is the type of the chromaticAdaptationTag, which is a required tag in v4 profiles for all non-DeviceLink profiles.
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3 changed files with 65 additions and 0 deletions
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@ -612,6 +612,28 @@ ErrorOr<NonnullRefPtr<MultiLocalizedUnicodeTagData>> MultiLocalizedUnicodeTagDat
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return adopt_ref(*new MultiLocalizedUnicodeTagData(offset, size, move(records)));
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}
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ErrorOr<NonnullRefPtr<S15Fixed16ArrayTagData>> S15Fixed16ArrayTagData::from_bytes(ReadonlyBytes bytes, u32 offset, u32 size)
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{
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// ICC v4, 10.22 s15Fixed16ArrayType
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VERIFY(tag_type(bytes) == Type);
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TRY(check_reserved(bytes));
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// "This type represents an array of generic 4-byte (32-bit) fixed point quantity. The number of values is determined
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// from the size of the tag."
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size_t byte_size = bytes.size() - 8;
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if (byte_size % sizeof(s15Fixed16Number) != 0)
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return Error::from_string_literal("ICC::Profile: s15Fixed16ArrayType has wrong size");
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size_t count = byte_size / sizeof(s15Fixed16Number);
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BigEndian<s15Fixed16Number> const* raw_values = bit_cast<BigEndian<s15Fixed16Number> const*>(bytes.data() + 8);
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Vector<S15Fixed16, 9> values;
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TRY(values.try_resize(count));
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for (size_t i = 0; i < count; ++i)
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values[i] = S15Fixed16::create_raw(raw_values[i]);
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return adopt_ref(*new S15Fixed16ArrayTagData(offset, size, move(values)));
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}
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ErrorOr<NonnullRefPtr<TextDescriptionTagData>> TextDescriptionTagData::from_bytes(ReadonlyBytes bytes, u32 offset, u32 size)
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{
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// ICC v2, 6.5.17 textDescriptionType
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@ -850,6 +872,8 @@ ErrorOr<NonnullRefPtr<TagData>> Profile::read_tag(ReadonlyBytes bytes, Detail::T
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switch (type) {
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case MultiLocalizedUnicodeTagData::Type:
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return MultiLocalizedUnicodeTagData::from_bytes(tag_bytes, entry.offset_to_beginning_of_tag_data_element, entry.size_of_tag_data_element);
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case S15Fixed16ArrayTagData::Type:
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return S15Fixed16ArrayTagData::from_bytes(tag_bytes, entry.offset_to_beginning_of_tag_data_element, entry.size_of_tag_data_element);
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case TextDescriptionTagData::Type:
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return TextDescriptionTagData::from_bytes(tag_bytes, entry.offset_to_beginning_of_tag_data_element, entry.size_of_tag_data_element);
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case TextTagData::Type:
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