snippetw.cs

//简单去边框
public static Bitmap setBoundWhite(Bitmap bmap){
    Bitmap image = new Bitmap(bmap);
    int i, Height = image.Height,Width =image.Width;
    //去边框
    for (i = 0; i < Width; i++)
    {
        image.SetPixel(i, 0, Color.White);
        image.SetPixel(i, Height - 1, Color.White);
    }
    //去边框
    for (i = 0; i < Height; i++)
    {
        image.SetPixel(0, i, Color.White);
        image.SetPixel(Width - 1, i, Color.White);
    }
    return image;
}