public static Image <TPixel> CompareToOriginal <TPixel>(
this Image <TPixel> image,
ITestImageProvider provider,
ImageComparer comparer,
IImageDecoder referenceDecoder = null)
where TPixel : unmanaged, IPixel <TPixel>
{
string path = TestImageProvider <TPixel> .GetFilePathOrNull(provider);
if (path == null)
{
throw new InvalidOperationException("CompareToOriginal() works only with file providers!");
}
var testFile = TestFile.Create(path);
referenceDecoder = referenceDecoder ?? TestEnvironment.GetReferenceDecoder(path);
using (var original = Image.Load <TPixel>(testFile.Bytes, referenceDecoder))
{
comparer.VerifySimilarity(original, image);
}
return(image);
}
public static Image <TPixel> CompareToOriginal <TPixel>(
this Image <TPixel> image,
ITestImageProvider provider,
ImageComparer comparer)
where TPixel : struct, IPixel <TPixel>
{
string path = TestImageProvider <TPixel> .GetFilePathOrNull(provider);
if (path == null)
{
throw new InvalidOperationException("CompareToOriginal() works only with file providers!");
}
var testFile = TestFile.Create(path);
IImageDecoder referenceDecoder = TestEnvironment.GetReferenceDecoder(path);
IImageFormat format = TestEnvironment.GetImageFormat(path);
IImageDecoder defaultDecoder = Configuration.Default.FindDecoder(format);
//if (referenceDecoder.GetType() == defaultDecoder.GetType())
//{
// throw new InvalidOperationException($"Can't use CompareToOriginal(): no actual reference decoder registered for {format.Name}");
//}
using (var original = Image.Load <TPixel>(testFile.Bytes, referenceDecoder))
{
comparer.VerifySimilarity(original, image);
}
return(image);
}
