8.4 Cut Off the Border Areas
Let us assume we want to cut off 10 % of the border; click the “Parameter” button; and then click the parameter button again. You will see Figure 8.2. Enter 10 to the first textbox in Figure 8.2. Click the “Key” button and select an image from “c:\transapplet70\ex_wheel\”. Click the “Preprocessing Image” button and you will have Figure 8.3. You will see that the second image is the first image with 10% of the border cut off.
Figure 8.3 Five Percent Border Cut.
The implementation of the “Preprocessing Image” button is:
private void button11_Click(object sender, System.EventArgs e)
{
if (b1 == null)
{
richTextBox1.AppendText ("Please select an image");
return;
}
b2 = ipre70.getPreProcessingImageColor (b1);
pictureBox2.Image = b2;
richTextBox1.AppendText (" (W, H) = " + b2.Width + " " + b2.Height + "\n");
}
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