/// <summary>
/// Copies the pixels to a <see cref="Buffer2D{TPixel}"/> of the same size.
/// </summary>
/// <param name="target">The target pixel buffer accessor.</param>
internal void CopyTo(Buffer2D <TPixel> target)
{
if (this.Size() != target.Size())
{
throw new ArgumentException("ImageFrame<TPixel>.CopyTo(): target must be of the same size!", nameof(target));
}
this.PixelBuffer.FastMemoryGroup.CopyTo(target.FastMemoryGroup);
}
/// <summary>
/// Copies the pixels to a <see cref="Buffer2D{TPixel}"/> of the same size.
/// </summary>
/// <param name="target">The target pixel buffer accessor.</param>
internal void CopyTo(Buffer2D <TPixel> target)
{
if (this.Size() != target.Size())
{
throw new ArgumentException("ImageFrame<TPixel>.CopyTo(): target must be of the same size!", nameof(target));
}
this.GetPixelSpan().CopyTo(target.GetSpan());
}
/// <summary>
/// Process all pixels into 'destination'. The image dimensions should match <see cref="RawJpeg"/>.
/// </summary>
/// <param name="destination">The destination image</param>
/// <param name="cancellationToken">The token to request cancellation.</param>
public void PostProcess(Buffer2D <Vector4> destination, CancellationToken cancellationToken)
{
this.PixelRowCounter = 0;
if (this.RawJpeg.ImageSizeInPixels != destination.Size())
{
throw new ArgumentException("Input image is not of the size of the processed one!");
}
while (this.PixelRowCounter < this.RawJpeg.ImageSizeInPixels.Height)
{
cancellationToken.ThrowIfCancellationRequested();
this.DoPostProcessorStep(destination);
}
}
public static void CompareBuffers <T>(Buffer2D <T> expected, Buffer2D <T> actual)
where T : struct, IEquatable <T>
{
Assert.True(expected.Size() == actual.Size(), "Buffer sizes are not equal!");
for (int y = 0; y < expected.Height; y++)
{
Span <T> expectedRow = expected.DangerousGetRowSpan(y);
Span <T> actualRow = actual.DangerousGetRowSpan(y);
for (int x = 0; x < expectedRow.Length; x++)
{
T expectedVal = expectedRow[x];
T actualVal = actualRow[x];
Assert.True(
expectedVal.Equals(actualVal),
$"Buffers differ at position ({x},{y})! Expected: {expectedVal} | Actual: {actualVal}");
}
}
}
public void SwapOrCopyContent_WhenBothAllocated()
{
using (Buffer2D <int> a = this.MemoryAllocator.Allocate2D <int>(10, 5, AllocationOptions.Clean))
using (Buffer2D <int> b = this.MemoryAllocator.Allocate2D <int>(3, 7, AllocationOptions.Clean))
{
a[1, 3] = 666;
b[1, 3] = 444;
Memory <int> aa = a.FastMemoryGroup.Single();
Memory <int> bb = b.FastMemoryGroup.Single();
Buffer2D <int> .SwapOrCopyContent(a, b);
Assert.Equal(bb, a.FastMemoryGroup.Single());
Assert.Equal(aa, b.FastMemoryGroup.Single());
Assert.Equal(new Size(3, 7), a.Size());
Assert.Equal(new Size(10, 5), b.Size());
Assert.Equal(666, b[1, 3]);
Assert.Equal(444, a[1, 3]);
}
}