public void Test_ToByteArray()
{
using (MagickImage image = new MagickImage(MagickColors.Red, 10, 10))
{
using (PixelCollection pixels = image.GetPixels())
{
var bytes = pixels.ToByteArray(0, 0, 1, 1, "BGR");
Assert.AreEqual(3, bytes.Length);
CollectionAssert.AreEqual(new byte[] { 0, 0, 255 }, bytes);
bytes = pixels.ToByteArray(0, 0, 1, 1, "BG");
Assert.AreEqual(2, bytes.Length);
CollectionAssert.AreEqual(new byte[] { 0, 0 }, bytes);
}
}
}
public static WriteableBitmap ToBitmap(PixelCollection pixels)
{
lock (pixels)
{
var newBitmap = new WriteableBitmap(
pixels.Width, pixels.Height, _dpi, _dpi, PixelFormats.Bgra32, null);
byte[] pixels1d = pixels.ToByteArray();
Int32Rect rect = new Int32Rect(0, 0, pixels.Width, pixels.Height);
int stride = _pixelValues * pixels.Width;
newBitmap.WritePixels(rect, pixels1d, stride, 0);
return(newBitmap);
}
}