public void CopyToBitmap(Rectangle imageArea, IntPtr bitmap, int bitmapStride)
{
NativeBitmapSourceParameterValidation.CopyToBitmap(this, imageArea, bitmap, bitmapStride, out _);
if (pixelFormat == PixelFormat.RGBA_32)
{
IntPtr pixelsPtr = dataPtr + imageArea.Y * stride + imageArea.X * 4;
PixelConverter.Convert_RGBA_32BE_To_ARGB_32(pixelsPtr, stride, bitmap, bitmapStride, imageArea.Width, imageArea.Height);
}
else if (pixelFormat == PixelFormat.RGB_24)
{
IntPtr pixelsPtr = dataPtr + imageArea.Y * stride + imageArea.X * 3;
PixelConverter.Convert_RGB_24BE_To_ARGB_32(pixelsPtr, stride, bitmap, bitmapStride, imageArea.Width, imageArea.Height);
}
else
{
throw new InvalidOperationException($"Unexpected pixel format: {pixelFormat}.");
}
}