/// <summary>
/// Generates a blended image with a CAM and the desired overlay color
/// </summary>
/// <returns>The blended CAMI mage.</returns>
/// <param name="index">Index.</param>
/// <param name="color">Color.</param>
private async Task <UIImage> GenerateBlendedCAMImage(CAM cam, SKColor color)
{
// Cancel the previous blending task if there is one
cancellationTokenSource?.Cancel();
cancellationTokenSource = new CancellationTokenSource();
// Dispose of previous blended image
blendedImage?.Dispose();
SKBitmap colorMap = await ImageProcessorRunner.GetCAMColorMapTask(
cam,
color,
(int)(InputImage.Size.Width *InputImage.CurrentScale),
(int)(InputImage.Size.Height *InputImage.CurrentScale),
cancellationTokenSource.Token
);
SKBitmap input = InputImage.ToSKBitmap();
SKBitmap blendedSKBitmap = await ImageProcessorRunner.GetOverlayImageTask(
input,
colorMap,
cancellationTokenSource.Token
);
// Dispose of temporary SKBitmap
input.Dispose();
UIImage blendedUIImage = blendedSKBitmap.ToUIImage();
// Cleanup the intermediate bitmaps
colorMap?.Dispose();
blendedSKBitmap?.Dispose();
return(blendedUIImage);
}