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LibGfx: Make ICCHeader use FourCC types for fourcc fields
No behavior change. Arguably more expressive.
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commit
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2 changed files with 14 additions and 12 deletions
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@ -86,7 +86,7 @@ ErrorOr<time_t> parse_date_time_number(DateTimeNumber const& date_time)
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// ICC V4, 7.2 Profile header
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struct ICCHeader {
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BigEndian<u32> profile_size;
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BigEndian<u32> preferred_cmm_type;
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BigEndian<PreferredCMMType> preferred_cmm_type;
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u8 profile_version_major;
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u8 profile_version_minor_bugfix;
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@ -102,14 +102,14 @@ struct ICCHeader {
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BigEndian<PrimaryPlatform> primary_platform;
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BigEndian<u32> profile_flags;
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BigEndian<u32> device_manufacturer;
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BigEndian<u32> device_model;
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BigEndian<DeviceManufacturer> device_manufacturer;
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BigEndian<DeviceModel> device_model;
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BigEndian<u64> device_attributes;
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BigEndian<u32> rendering_intent;
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XYZNumber pcs_illuminant;
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BigEndian<u32> profile_creator;
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BigEndian<Creator> profile_creator;
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u8 profile_id[16];
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u8 reserved[28];
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@ -146,9 +146,9 @@ Optional<PreferredCMMType> parse_preferred_cmm_type(ICCHeader const& header)
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// which is not present in the "CMM Signatures" table in that PDF.
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// "If no preferred CMM is identified, this field shall be set to zero (00000000h)."
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if (header.preferred_cmm_type == 0)
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if (header.preferred_cmm_type == PreferredCMMType { 0 })
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return {};
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return PreferredCMMType { header.preferred_cmm_type };
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return header.preferred_cmm_type;
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}
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ErrorOr<Version> parse_version(ICCHeader const& header)
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@ -266,9 +266,9 @@ Optional<DeviceManufacturer> parse_device_manufacturer(ICCHeader const& header)
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// has its device manufacturer set to 'none', but https://www.color.org/signatureRegistry/?entityEntry=none-6E6F6E65 does not exist.
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// "If not used this field shall be set to zero (00000000h)."
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if (header.device_manufacturer == 0)
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if (header.device_manufacturer == DeviceManufacturer { 0 })
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return {};
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return DeviceManufacturer { header.device_manufacturer };
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return header.device_manufacturer;
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}
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Optional<DeviceModel> parse_device_model(ICCHeader const& header)
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@ -282,9 +282,9 @@ Optional<DeviceModel> parse_device_model(ICCHeader const& header)
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// has its device model set to 'none', but https://www.color.org/signatureRegistry/deviceRegistry?entityEntry=none-6E6F6E65 does not exist.
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// "If not used this field shall be set to zero (00000000h)."
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if (header.device_model == 0)
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if (header.device_model == DeviceModel { 0 })
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return {};
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return DeviceModel { header.device_model };
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return header.device_model;
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}
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ErrorOr<DeviceAttributes> parse_device_attributes(ICCHeader const& header)
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@ -335,9 +335,9 @@ Optional<Creator> parse_profile_creator(ICCHeader const& header)
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// For example, .icc files in /System/ColorSync/Profiles on macOS 12.6 set this to 'appl', which is a CMM signature, not a device signature (that one would be 'APPL').
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// "If not used this field shall be set to zero (00000000h)."
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if (header.profile_creator == 0)
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if (header.profile_creator == Creator { 0 })
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return {};
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return Creator { header.profile_creator };
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return header.profile_creator;
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}
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template<size_t N>
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@ -38,6 +38,8 @@ struct [[gnu::packed]] DistinctFourCC {
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char c2() const { return (value >> 8) & 0xff; }
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char c3() const { return value & 0xff; }
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bool operator==(DistinctFourCC b) const { return value == b.value; }
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u32 value { 0 };
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};
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