C# images cropping,splitting,saving

Posted by cheesebunz on Stack Overflow See other posts from Stack Overflow or by cheesebunz
Published on 2010-05-24T05:06:15Z Indexed on 2010/05/24 5:10 UTC
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Hi, as stated in subject, i have an image:

    private Image testing;
    testing = new Bitmap(@"sampleimg.jpg");

I would like to split it into 3 x 3 matrix meaning 9 images in total and save it.Any tips or tricks to do this simple? I'm using visual studios 2008 and working on smart devices. Tried some ways but i can't get it. This is what i tried:

        int x = 0;
        int y = 0;
        int width = 3;
        int height = 3;


        int count = testing.Width / width;
        Bitmap bmp = new Bitmap(width, height);


        Graphics g = Graphics.FromImage(bmp);


        for (int i = 0; i < count; i++)
        {
            g.Clear(Color.Transparent);
            g.DrawImage(testing, new Rectangle(0, 0, width, height), new Rectangle(x, y, width, height), GraphicsUnit.Pixel);
            bmp.Save(Path.ChangeExtension(@"C\AndrewPictures\", String.Format(".{0}.bmp",i)));
            x += width;
        } 

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