override protected bool Save(Image image, Drawable drawable,
string filename)
{
var writer = new BinaryWriter(File.Open(filename, FileMode.Create));
var rgn = new PixelRgn(drawable, false, false);
for (IntPtr pr = PixelRgn.Register(rgn); pr != IntPtr.Zero;
pr = PixelRgn.Process(pr))
{
}
writer.Close();
return(true);
}
public void Render(Image image, Drawable drawable)
{
var src = new PixelRgn(drawable, false, false);
PixelRgn.Register(src);
var trimColor = GetTrimColor(src, drawable);
var tb = GetLowerUpper(trimColor, src.Rows, "top", "bottom");
var lr = GetLowerUpper(trimColor, src.Columns, "left", "right");
var croppingArea = new Rectangle(lr.Item1, tb.Item1, lr.Item2, tb.Item2);
if (croppingArea != image.Bounds)
{
image.Crop(croppingArea);
}
}