public Task Save(CompressedBitmapFormat format, float quality, Stream target)
{
return(Task.Run(() => {
#if UIKIT
var data = format == CompressedBitmapFormat.Jpeg ? inner.AsJPEG((float)quality) : inner.AsPNG();
data.AsStream().CopyTo(target);
#else
#if UNIFIED
var rect = new CoreGraphics.CGRect();
#else
var rect = new RectangleF();
#endif
var cgImage = inner.AsCGImage(ref rect, null, null);
var imageRep = new NSBitmapImageRep(cgImage);
var props = format == CompressedBitmapFormat.Png ?
new NSDictionary() :
new NSDictionary(new NSNumber(quality), new NSString("NSImageCompressionFactor"));
var type = format == CompressedBitmapFormat.Png ? NSBitmapImageFileType.Png : NSBitmapImageFileType.Jpeg;
var outData = imageRep.RepresentationUsingTypeProperties(type, props);
outData.AsStream().CopyTo(target);
#endif
}));
}
public static System.IO.Stream AsJpegStream(this PImage image, int quality = 80)
{
#if __IOS__ || __TVOS__
return(image.AsJPEG(quality / 100f).AsStream());
#elif __MACOS__
// todo: jpeg quality?
var imageRep = new NSBitmapImageRep(image.AsTiff());
return(imageRep.RepresentationUsingTypeProperties(NSBitmapImageFileType.Jpeg)
.AsStream());
#endif
}