diff options
Diffstat (limited to 'Userland/Libraries/LibGfx/ICCProfile.cpp')
| -rw-r--r-- | Userland/Libraries/LibGfx/ICCProfile.cpp | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/Userland/Libraries/LibGfx/ICCProfile.cpp b/Userland/Libraries/LibGfx/ICCProfile.cpp index 69b547b491..8b8b2896f3 100644 --- a/Userland/Libraries/LibGfx/ICCProfile.cpp +++ b/Userland/Libraries/LibGfx/ICCProfile.cpp @@ -1218,6 +1218,341 @@ ErrorOr<void> Profile::check_required_tags() return {}; } +ErrorOr<void> Profile::check_tag_types() +{ + // This uses m_tag_table.get() even for tags that are guaranteed to exist after check_required_tags() + // so that the two functions can be called in either order. + + // ICC v4, 9.2.1 AToB0Tag + // "Permitted tag types: lut8Type or lut16Type or lutAToBType" + // FIXME + + // ICC v4, 9.2.2 AToB1Tag + // "Permitted tag types: lut8Type or lut16Type or lutAToBType" + // FIXME + + // ICC v4, 9.2.3 AToB2Tag + // "Permitted tag types: lut8Type or lut16Type or lutAToBType" + // FIXME + + // ICC v4, 9.2.4 blueMatrixColumnTag + // "Permitted tag types: XYZType + // This tag contains the third column in the matrix used in matrix/TRC transforms." + // (Called blueColorantTag in the v2 spec, otherwise identical there.) + if (auto type = m_tag_table.get(blueMatrixColumnTag); type.has_value()) { + if (type.value()->type() != XYZTagData::Type) + return Error::from_string_literal("ICC::Profile: blueMatrixColumnTag has unexpected type"); + if (static_cast<XYZTagData const&>(*type.value()).xyzs().size() != 1) + return Error::from_string_literal("ICC::Profile: blueMatrixColumnTag has unexpected size"); + } + + // ICC v4, 9.2.5 blueTRCTag + // "Permitted tag types: curveType or parametricCurveType" + // ICC v2, 6.4.5 blueTRCTag + // "Tag Type: curveType" + if (auto type = m_tag_table.get(blueTRCTag); type.has_value() && type.value()->type() != CurveTagData::Type && (is_v2() || type.value()->type() != ParametricCurveTagData::Type)) + return Error::from_string_literal("ICC::Profile: blueTRCTag has unexpected type"); + + // ICC v4, 9.2.6 BToA0Tag + // "Permitted tag types: lut8Type or lut16Type or lutBToAType" + // FIXME + + // ICC v4, 9.2.7 BToA1Tag + // "Permitted tag types: lut8Type or lut16Type or lutBToAType" + // FIXME + + // ICC v4, 9.2.8 BToA2Tag + // "Permitted tag types: lut8Type or lut16Type or lutBToAType" + // FIXME + + // ICC v4, 9.2.9 BToD0Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.10 BToD1Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.11 BToD2Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.12 BToD3Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.13 calibrationDateTimeTag + // "Permitted tag types: dateTimeType" + // FIXME + + // ICC v4, 9.2.14 charTargetTag + // "Permitted tag types: textType" + if (auto type = m_tag_table.get(charTargetTag); type.has_value() && type.value()->type() != TextTagData::Type) + return Error::from_string_literal("ICC::Profile: charTargetTag has unexpected type"); + + // ICC v4, 9.2.15 chromaticAdaptationTag + // "Permitted tag types: s15Fixed16ArrayType [...] + // Such a 3 x 3 chromatic adaptation matrix is organized as a 9-element array" + if (auto type = m_tag_table.get(chromaticAdaptationTag); type.has_value()) { + if (type.value()->type() != S15Fixed16ArrayTagData::Type) + return Error::from_string_literal("ICC::Profile: chromaticAdaptationTag has unexpected type"); + if (static_cast<S15Fixed16ArrayTagData const&>(*type.value()).values().size() != 9) + return Error::from_string_literal("ICC::Profile: chromaticAdaptationTag has unexpected size"); + } + + // ICC v4, 9.2.16 chromaticityTag + // "Permitted tag types: chromaticityType" + // FIXME + + // ICC v4, 9.2.17 cicpTag + // "Permitted tag types: cicpType" + // FIXME + + // ICC v4, 9.2.18 colorantOrderTag + // "Permitted tag types: colorantOrderType" + // FIXME + + // ICC v4, 9.2.19 colorantTableTag + // "Permitted tag types: colorantTableType" + // FIXME + + // ICC v4, 9.2.20 colorantTableOutTag + // "Permitted tag types: colorantTableType" + // FIXME + + // ICC v4, 9.2.21 colorimetricIntentImageStateTag + // "Permitted tag types: signatureType" + // FIXME + + // ICC v4, 9.2.22 copyrightTag + // "Permitted tag types: multiLocalizedUnicodeType" + // ICC v2, 6.4.13 copyrightTag + // "Tag Type: textType" + if (auto type = m_tag_table.get(copyrightTag); type.has_value()) { + // The v4 spec requires multiLocalizedUnicodeType for this, but I'm aware of a single file + // that still uses the v2 'text' type here: /System/Library/ColorSync/Profiles/ITU-2020.icc on macOS 13.1. + // FIXME: File a bug for that and add id-based quirk instead. + // if (is_v4() && type.value()->type() != MultiLocalizedUnicodeTagData::Type) + // return Error::from_string_literal("ICC::Profile: copyrightTag has unexpected v4 type"); + if (is_v2() && type.value()->type() != TextTagData::Type) + return Error::from_string_literal("ICC::Profile: copyrightTag has unexpected v2 type"); + } + + // ICC v4, 9.2.23 deviceMfgDescTag + // "Permitted tag types: multiLocalizedUnicodeType" + // ICC v2, 6.4.15 deviceMfgDescTag + // "Tag Type: textDescriptionType" + if (auto type = m_tag_table.get(deviceMfgDescTag); type.has_value()) { + if (is_v4() && type.value()->type() != MultiLocalizedUnicodeTagData::Type) + return Error::from_string_literal("ICC::Profile: deviceMfgDescTag has unexpected v4 type"); + if (is_v2() && type.value()->type() != TextDescriptionTagData::Type) + return Error::from_string_literal("ICC::Profile: deviceMfgDescTag has unexpected v2 type"); + } + + // ICC v4, 9.2.24 deviceModelDescTag + // "Permitted tag types: multiLocalizedUnicodeType" + // ICC v2, 6.4.16 deviceModelDescTag + // "Tag Type: textDescriptionType" + if (auto type = m_tag_table.get(deviceModelDescTag); type.has_value()) { + if (is_v4() && type.value()->type() != MultiLocalizedUnicodeTagData::Type) + return Error::from_string_literal("ICC::Profile: deviceModelDescTag has unexpected v4 type"); + if (is_v2() && type.value()->type() != TextDescriptionTagData::Type) + return Error::from_string_literal("ICC::Profile: deviceModelDescTag has unexpected v2 type"); + } + + // ICC v4, 9.2.25 DToB0Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.26 DToB1Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.27 DToB2Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.28 DToB3Tag + // "Permitted tag types: multiProcessElementsType" + // FIXME + + // ICC v4, 9.2.29 gamutTag + // "Permitted tag types: lut8Type or lut16Type or lutBToAType" + // FIXME + + // ICC v4, 9.2.30 grayTRCTag + // "Permitted tag types: curveType or parametricCurveType" + // ICC v2, 6.4.19 grayTRCTag + // "Tag Type: curveType" + if (auto type = m_tag_table.get(grayTRCTag); type.has_value() && type.value()->type() != CurveTagData::Type && (is_v2() || type.value()->type() != ParametricCurveTagData::Type)) + return Error::from_string_literal("ICC::Profile: grayTRCTag has unexpected type"); + + // ICC v4, 9.2.31 greenMatrixColumnTag + // "Permitted tag types: XYZType + // This tag contains the second column in the matrix, which is used in matrix/TRC transforms." + // (Called greenColorantTag in the v2 spec, otherwise identical there.) + if (auto type = m_tag_table.get(greenMatrixColumnTag); type.has_value()) { + if (type.value()->type() != XYZTagData::Type) + return Error::from_string_literal("ICC::Profile: greenMatrixColumnTag has unexpected type"); + if (static_cast<XYZTagData const&>(*type.value()).xyzs().size() != 1) + return Error::from_string_literal("ICC::Profile: greenMatrixColumnTag has unexpected size"); + } + + // ICC v4, 9.2.32 greenTRCTag + // "Permitted tag types: curveType or parametricCurveType" + // ICC v2, 6.4.21 greenTRCTag + // "Tag Type: curveType" + if (auto type = m_tag_table.get(greenTRCTag); type.has_value() && type.value()->type() != CurveTagData::Type && (is_v2() || type.value()->type() != ParametricCurveTagData::Type)) + return Error::from_string_literal("ICC::Profile: greenTRCTag has unexpected type"); + + // ICC v4, 9.2.33 luminanceTag + // "Permitted tag types: XYZType" + // This tag contains the absolute luminance of emissive devices in candelas per square metre as described by the + // Y channel. + // NOTE The X and Z values are set to zero." + // ICC v2, 6.4.22 luminanceTag + // "Absolute luminance of emissive devices in candelas per square meter as described by the Y channel. The + // X and Z channels are ignored in all cases." + if (auto type = m_tag_table.get(luminanceTag); type.has_value()) { + if (type.value()->type() != XYZTagData::Type) + return Error::from_string_literal("ICC::Profile: luminanceTag has unexpected type"); + auto& xyz_type = static_cast<XYZTagData const&>(*type.value()); + if (xyz_type.xyzs().size() != 1) + return Error::from_string_literal("ICC::Profile: luminanceTag has unexpected size"); + if (is_v4() && xyz_type.xyzs()[0].x != 0) + return Error::from_string_literal("ICC::Profile: luminanceTag.x unexpectedly not 0"); + if (is_v4() && xyz_type.xyzs()[0].z != 0) + return Error::from_string_literal("ICC::Profile: luminanceTag.z unexpectedly not 0"); + } + + // ICC v4, 9.2.34 measurementTag + // "Permitted tag types: measurementType" + // FIXME + + // ICC v4, 9.2.35 metadataTag + // "Permitted tag types: dictType" + // FIXME + + // ICC v4, 9.2.36 mediaWhitePointTag + // "Permitted tag types: XYZType + // This tag, which is used for generating the ICC-absolute colorimetric intent, specifies the chromatically adapted + // nCIEXYZ tristimulus values of the media white point. When the measurement data used to create the profile + // were specified relative to an adopted white with a chromaticity different from that of the PCS adopted white, the + // media white point nCIEXYZ values shall be adapted to be relative to the PCS adopted white chromaticity using + // the chromaticAdaptationTag matrix, before recording in the tag. For capture devices, the media white point is + // the encoding maximum white for the capture encoding. For displays, the values specified shall be those of the + // PCS illuminant as defined in 7.2.16. + // See Clause 6 and Annex A for a more complete description of the use of the media white point." + // ICC v2, 6.4.25 mediaWhitePointTag + // "This tag specifies the media white point and is used for generating ICC-absolute colorimetric intent. See + // Annex A for a more complete description of its use." + if (auto type = m_tag_table.get(mediaWhitePointTag); type.has_value()) { + if (type.value()->type() != XYZTagData::Type) + return Error::from_string_literal("ICC::Profile: mediaWhitePointTag has unexpected type"); + auto& xyz_type = static_cast<XYZTagData const&>(*type.value()); + if (xyz_type.xyzs().size() != 1) + return Error::from_string_literal("ICC::Profile: mediaWhitePointTag has unexpected size"); + + // V4 requires "For displays, the values specified shall be those of the PCS illuminant". + // But in practice that's not always true. For example, on macOS 13.1, '/System/Library/ColorSync/Profiles/DCI(P3) RGB.icc' + // has these values in the header: 0000F6D6 00010000 0000D32D + // but these values in the tag: 0000F6D5 00010000 0000D32C + // These are close, but not equal. + // FIXME: File bug for these, and add id-based quirk instead. + // if (is_v4() && device_class() == DeviceClass::DisplayDevice && xyz_type.xyzs()[0] != pcs_illuminant()) + // return Error::from_string_literal("ICC::Profile: mediaWhitePointTag for displays should be equal to PCS illuminant"); + } + + // ICC v4, 9.2.37 namedColor2Tag + // "Permitted tag types: namedColor2Type" + // FIXME + + // ICC v4, 9.2.38 outputResponseTag + // "Permitted tag types: responseCurveSet16Type" + // FIXME + + // ICC v4, 9.2.39 perceptualRenderingIntentGamutTag + // "Permitted tag types: signatureType" + // FIXME + + // ICC v4, 9.2.40 preview0Tag + // "Permitted tag types: lut8Type or lut16Type or lutAToBType or lutBToAType" + // FIXME + + // ICC v4, 9.2.41 preview1Tag + // "Permitted tag types: lut8Type or lut16Type or lutBToAType" + // FIXME + + // ICC v4, 9.2.42 preview2Tag + // "Permitted tag types: lut8Type or lut16Type or lutBToAType" + // FIXME + + // ICC v4, 9.2.43 profileDescriptionTag + // "Permitted tag types: multiLocalizedUnicodeType" + // ICC v2, 6.4.32 profileDescriptionTag + // "Tag Type: textDescriptionType" + if (auto type = m_tag_table.get(profileDescriptionTag); type.has_value()) { + // The v4 spec requires multiLocalizedUnicodeType for this, but I'm aware of a single file + // that still uses the v2 'desc' type here: /System/Library/ColorSync/Profiles/ITU-2020.icc on macOS 13.1. + // FIXME: File a bug for that and add id-based quirk instead. + // if (is_v4() && type.value()->type() != MultiLocalizedUnicodeTagData::Type) + // return Error::from_string_literal("ICC::Profile: profileDescriptionTag has unexpected v4 type"); + if (is_v2() && type.value()->type() != TextDescriptionTagData::Type) + return Error::from_string_literal("ICC::Profile: profileDescriptionTag has unexpected v2 type"); + } + + // ICC v4, 9.2.44 profileSequenceDescTag + // "Permitted tag types: profileSequenceDescType" + // FIXME + + // ICC v4, 9.2.45 profileSequenceIdentifierTag + // "Permitted tag types: profileSequenceIdentifierType" + // FIXME + + // ICC v4, 9.2.46 redMatrixColumnTag + // "Permitted tag types: XYZType + // This tag contains the first column in the matrix, which is used in matrix/TRC transforms." + // (Called redColorantTag in the v2 spec, otherwise identical there.) + if (auto type = m_tag_table.get(redMatrixColumnTag); type.has_value()) { + if (type.value()->type() != XYZTagData::Type) + return Error::from_string_literal("ICC::Profile: redMatrixColumnTag has unexpected type"); + if (static_cast<XYZTagData const&>(*type.value()).xyzs().size() != 1) + return Error::from_string_literal("ICC::Profile: redMatrixColumnTag has unexpected size"); + } + + // ICC v4, 9.2.47 redTRCTag + // "Permitted tag types: curveType or parametricCurveType" + // ICC v2, 6.4.41 redTRCTag + // "Tag Type: curveType" + if (auto type = m_tag_table.get(redTRCTag); type.has_value() && type.value()->type() != CurveTagData::Type && (is_v2() || type.value()->type() != ParametricCurveTagData::Type)) + return Error::from_string_literal("ICC::Profile: redTRCTag has unexpected type"); + + // ICC v4, 9.2.48 saturationRenderingIntentGamutTag + // "Permitted tag types: signatureType" + // FIXME + + // ICC v4, 9.2.49 technologyTag + // "Permitted tag types: signatureType" + // FIXME + + // ICC v4, 9.2.50 viewingCondDescTag + // "Permitted tag types: multiLocalizedUnicodeType" + // ICC v2, 6.4.46 viewingCondDescTag + // "Tag Type: textDescriptionType" + if (auto type = m_tag_table.get(viewingCondDescTag); type.has_value()) { + if (is_v4() && type.value()->type() != MultiLocalizedUnicodeTagData::Type) + return Error::from_string_literal("ICC::Profile: viewingCondDescTag has unexpected v4 type"); + if (is_v2() && type.value()->type() != TextDescriptionTagData::Type) + return Error::from_string_literal("ICC::Profile: viewingCondDescTag has unexpected v2 type"); + } + + // ICC v4, 9.2.51 viewingConditionsTag + // "Permitted tag types: viewingConditionsType" + // FIXME + + return {}; +} + ErrorOr<NonnullRefPtr<Profile>> Profile::try_load_from_externally_owned_memory(ReadonlyBytes bytes) { auto profile = adopt_ref(*new Profile()); @@ -1226,6 +1561,7 @@ ErrorOr<NonnullRefPtr<Profile>> Profile::try_load_from_externally_owned_memory(R TRY(profile->read_tag_table(bytes)); TRY(profile->check_required_tags()); + TRY(profile->check_tag_types()); return profile; } |