public void MakeTransparent(RGBA color)
{
UnderlyingImage.MakeTransparent(Color.FromArgb(color.A, color.R, color.G, color.B));
// recreate the graphics after making transparent
// marking an image transparent has a material impact to the bitmap such that we need
// a new graphics instance
var g = System.Drawing.Graphics.FromImage(UnderlyingImage);
Graphics = new WritableGraphics(null, g, Height, Width);
}
public void Save(string path)
{
UnderlyingImage.Save(path);
}
