public void Identify_DetectsCorrectEncoding(string imagePath, PbmEncoding expectedEncoding)
{
var testFile = TestFile.Create(imagePath);
using var stream = new MemoryStream(testFile.Bytes, false);
IImageInfo imageInfo = Image.Identify(stream);
Assert.NotNull(imageInfo);
PbmMetadata bitmapMetadata = imageInfo.Metadata.GetPbmMetadata();
Assert.NotNull(bitmapMetadata);
Assert.Equal(expectedEncoding, bitmapMetadata.Encoding);
}
private void DeduceOptions <TPixel>(Image <TPixel> image)
where TPixel : unmanaged, IPixel <TPixel>
{
this.configuration = image.GetConfiguration();
PbmMetadata metadata = image.Metadata.GetPbmMetadata();
this.encoding = this.options.Encoding ?? metadata.Encoding;
this.colorType = this.options.ColorType ?? metadata.ColorType;
if (this.colorType != PbmColorType.BlackAndWhite)
{
this.componentType = this.options.ComponentType ?? metadata.ComponentType;
}
else
{
this.componentType = PbmComponentType.Bit;
}
}
