public void RemoveUser()
{
if (Interlocked.Decrement(ref _activeUsers) == 0)
{
SkImage.Dispose();
}
}
public SKColor?GetPixelColor(SKPoint pixelPoint)
{
var pixelX = (int)Math.Round(pixelPoint.X);
var pixelY = (int)Math.Round(pixelPoint.Y);
if (pixelX < 0 || pixelX >= Size.Width || pixelY < 0 || pixelY >= Size.Height)
{
return(null);
}
try
{
using (var pixels = SkImage.PeekPixels())
{
return(pixels.GetPixelColor(pixelX, pixelY));
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
return(null);
}
}
