/// <summary>
/// Returns a copy of the image frame in the given pixel format.
/// </summary>
/// <typeparam name="TPixel2">The pixel format.</typeparam>
/// <returns>The <see cref="ImageFrame{TPixel2}"/></returns>
internal ImageFrame <TPixel2> CloneAs <TPixel2>()
where TPixel2 : struct, IPixel <TPixel2>
{
if (typeof(TPixel2) == typeof(TPixel))
{
return(this.Clone() as ImageFrame <TPixel2>);
}
Func <Vector4, Vector4> scaleFunc = PackedPixelConverterHelper.ComputeScaleFunction <TPixel, TPixel2>();
var target = new ImageFrame <TPixel2>(this.MemoryManager, this.Width, this.Height, this.MetaData.Clone());
using (PixelAccessor <TPixel> pixels = this.Lock())
using (PixelAccessor <TPixel2> targetPixels = target.Lock())
{
Parallel.For(
0,
target.Height,
Configuration.Default.ParallelOptions,
y =>
{
for (int x = 0; x < target.Width; x++)
{
var color = default(TPixel2);
color.PackFromVector4(scaleFunc(pixels[x, y].ToVector4()));
targetPixels[x, y] = color;
}
});
}
return(target);
}