/// <summary>
/// Generates the BMP icon image data for this image.
/// </summary>
/// <returns>The BMP icon image data for this image.</returns>
public byte[] GetData()
{
BitmapSource result = null;
if (GenerateTransparencyMap)
{
// The transparency map has to be above the actual image, so we just copy the original image's data at the bottom
// All bytes before that will be set to 0, which is what we want (0 == Visible)
byte[] buffer = new byte[OriginalImage.PixelWidth * OriginalImage.PixelHeight * 4 * 2];
OriginalImage.CopyPixels(buffer, OriginalImage.PixelWidth * 4, buffer.Length / 2);
result = BitmapSource.Create(
OriginalImage.PixelWidth, OriginalImage.PixelHeight * 2,
OriginalImage.DpiX, OriginalImage.DpiY,
OriginalImage.Format,
OriginalImage.Palette,
buffer,
OriginalImage.PixelWidth * 4);
}
else
{
result = OriginalImage;
}
using (var stream = new MemoryStream())
{
var encoder = new BmpBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(result));
encoder.Save(stream);
// Remove the BMPFILEHEADER, turning it into a Memory BMP.
return(stream.GetBuffer().Skip(BmpFileHeaderSize).ToArray());
}
}