public override void DrawMapRect(MKMapRect mapRect, nfloat zoomScale, CGContext context)
{
SKMapSpan rectSpan = mapRect.ToMapSpan();
if (_SharedOverlay.IsVisible && rectSpan.FastIntersects(_SharedOverlay.GpsBounds))
{
CGRect coreDrawRect = RectForMapRect(mapRect);
SKBitmap drawBitmap = GetOverlayBitmap();
SKMapCanvas mapCanvas = new SKMapCanvas(drawBitmap, mapRect.ToRectangle(), zoomScale, true);
_SharedOverlay.DrawOnMap(mapCanvas, rectSpan, zoomScale);
Console.WriteLine($"Drawing tile for zoom scale {zoomScale} with GPS bounds {mapRect} and Mercator {mapRect.ToRectangle()}");
context.DrawImage(coreDrawRect, drawBitmap.ToCGImage());
// Let's exit this method so MapKit renders to screen while we free our resources in the background.
Task.Run(() => ReleaseOverlayBitmap(drawBitmap));
}
}
public static NSImage ToNSImage(this SKBitmap skiaBitmap)
{
var cgImage = skiaBitmap.ToCGImage();
return(new NSImage(cgImage, CGSize.Empty));
}
public static CIImage ToCIImage(this SKBitmap skiaBitmap)
{
return(skiaBitmap.ToCGImage());
}
public static UIImage ToUIImage(this SKBitmap skiaBitmap)
{
var cgImage = skiaBitmap.ToCGImage();
return(new UIImage(cgImage));
}
public static UIImage ToUIImage(this SKBitmap skiaBitmap, nfloat scale, UIImageOrientation orientation)
{
var cgImage = skiaBitmap.ToCGImage();
return(new UIImage(cgImage, scale, orientation));
}
