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Add TRC conversion comparison with Unicolour

pull/1567/head
Wacton 1 year ago
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7492109401
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630df8a28f
2 changed files with 11 additions and 10 deletions
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  1. 19
      tests/ImageSharp.Tests/ColorProfiles/Icc/ColorProfileConverterTests.Icc.cs
  2. 2
      tests/ImageSharp.Tests/ImageSharp.Tests.csproj

19
tests/ImageSharp.Tests/ColorProfiles/Icc/ColorProfileConverterTests.Icc.cs
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@ -18,17 +18,18 @@ public class ColorProfileConverterTests(ITestOutputHelper testOutputHelper)
[InlineData(TestIccProfiles.Fogra39, TestIccProfiles.Swop2006)] // CMYK -> LAB -> CMYK (commonly used v2 profiles) [InlineData(TestIccProfiles.Fogra39, TestIccProfiles.Swop2006)] // CMYK -> LAB -> CMYK (commonly used v2 profiles)
[InlineData(TestIccProfiles.Swop2006, TestIccProfiles.Fogra39)] // CMYK -> LAB -> CMYK (commonly used v2 profiles) [InlineData(TestIccProfiles.Swop2006, TestIccProfiles.Fogra39)] // CMYK -> LAB -> CMYK (commonly used v2 profiles)
[InlineData(TestIccProfiles.Swop2006, TestIccProfiles.Swop2006)] // CMYK -> LAB -> CMYK (commonly used v2 profiles) [InlineData(TestIccProfiles.Swop2006, TestIccProfiles.Swop2006)] // CMYK -> LAB -> CMYK (commonly used v2 profiles)
[InlineData(TestIccProfiles.JapanColor2011, TestIccProfiles.Fogra39)] // CMYK -> LAB -> CMYK (different bit depth v2 LUTs, 8-bit vs 16-bit) [InlineData(TestIccProfiles.Fogra39, TestIccProfiles.JapanColor2003)] // CMYK -> LAB -> CMYK (different bit depth v2 LUTs, 8-bit vs 16-bit)
[InlineData(TestIccProfiles.Fogra39, TestIccProfiles.Cgats21)] // CMYK -> LAB -> CMYK (different LUT versions, v2 vs v4) [InlineData(TestIccProfiles.JapanColor2011, TestIccProfiles.Fogra39)] // CMYK -> LAB -> CMYK (different LUT versions, v2 vs v4)
[InlineData(TestIccProfiles.Fogra39, TestIccProfiles.StandardRgbV4)] // CMYK -> LAB -> RGB (different LUT versions, v2 vs v4) [InlineData(TestIccProfiles.Fogra39, TestIccProfiles.Cgats21)] // CMYK -> LAB -> RGB (different LUT versions, v2 vs v4)
[InlineData(TestIccProfiles.StandardRgbV4, TestIccProfiles.Fogra39)] // RGB -> LAB -> CMYK (different LUT versions, v4 vs v2) [InlineData(TestIccProfiles.Fogra39, TestIccProfiles.StandardRgbV4)] // RGB -> LAB -> CMYK (different LUT versions, v4 vs v2)
[InlineData(TestIccProfiles.StandardRgbV4, TestIccProfiles.RommRgb)] // RGB -> LAB -> XYZ -> RGB (different LUT elements, B-Matrix-M-CLUT-A vs B-Matrix-M) [InlineData(TestIccProfiles.StandardRgbV4, TestIccProfiles.Fogra39)] // RGB -> LAB -> XYZ -> RGB (different LUT elements, B-Matrix-M-CLUT-A vs B-Matrix-M)
[InlineData(TestIccProfiles.RommRgb, TestIccProfiles.StandardRgbV4)] // RGB -> XYZ -> LAB -> RGB (different LUT elements, B-Matrix-M vs B-Matrix-M-CLUT-A) [InlineData(TestIccProfiles.StandardRgbV4, TestIccProfiles.RommRgb)] // RGB -> XYZ -> LAB -> RGB (different LUT elements, B-Matrix-M vs B-Matrix-M-CLUT-A)
// TODO: add once supported by Unicolour in v4.8 [InlineData(TestIccProfiles.RommRgb, TestIccProfiles.StandardRgbV4)] // CMYK -> LAB -> CMYK (different bit depth v2 LUTs, 16-bit vs 8-bit)
// [InlineData(TestIccProfiles.Fogra39, TestIccProfiles.JapanColor2003)] // CMYK -> LAB -> CMYK (different bit depth v2 LUTs, 16-bit vs 8-bit) [InlineData(TestIccProfiles.Fogra39, TestIccProfiles.StandardRgbV2)] // CMYK -> LAB -> XYZ -> RGB (different LUT tags, A2B vs TRC)
[InlineData(TestIccProfiles.StandardRgbV2, TestIccProfiles.Fogra39)] // RGB -> XYZ -> LAB -> CMYK (different LUT tags, TRC vs A2B)
public void CanConvertCmykIccProfiles(string sourceProfile, string targetProfile) public void CanConvertCmykIccProfiles(string sourceProfile, string targetProfile)
{ {
float[] input = [GetNormalizedRandomValue(), GetNormalizedRandomValue(), GetNormalizedRandomValue(), GetNormalizedRandomValue()]; float[] input = [0.8f, 0.6f, 0.4f, 0.2f];
double[] expectedTargetValues = GetExpectedTargetValues(sourceProfile, targetProfile, input); double[] expectedTargetValues = GetExpectedTargetValues(sourceProfile, targetProfile, input);
Vector4 actualTargetValues = GetActualTargetValues(input, sourceProfile, targetProfile); Vector4 actualTargetValues = GetActualTargetValues(input, sourceProfile, targetProfile);

2
tests/ImageSharp.Tests/ImageSharp.Tests.csproj
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@ -50,7 +50,7 @@
<PackageReference Include="runtime.osx.10.10-x64.CoreCompat.System.Drawing" Condition="'$(IsOSX)'=='true'" /> <PackageReference Include="runtime.osx.10.10-x64.CoreCompat.System.Drawing" Condition="'$(IsOSX)'=='true'" />
<PackageReference Include="SharpZipLib" /> <PackageReference Include="SharpZipLib" />
<PackageReference Include="System.Drawing.Common" /> <PackageReference Include="System.Drawing.Common" />
<PackageReference Include="Wacton.Unicolour" Version="4.7.0" /> <PackageReference Include="Wacton.Unicolour" Version="4.8.0" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>

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