
Concept explainers
Explanation of Solution
Method “zoomIn()” to enlarge the image:
import java.awt.Graphics;
import java.awt.Image;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
//Definition of class Test
public class Test
{
//Definition of main class
public static void main(String[] args)
{
//Create an object for DrawingPanel
DrawingPanel drawpanel = new DrawingPanel(250, 250);
//Create an object for Image
Image image = drawpanel.loadImage("Smiles.png");
//Create an object for Graphics
Graphics graph = drawpanel.getGraphics();
//Set the panel
graph.drawImage(image, 0, 0, drawpanel);
//Call the method transpose
zoomIn(drawpanel);
}
//Definition of method zoomIn
public static void zoomIn(DrawingPanel panel)
{
//Create an array to store the pixels
int[][] pixels = panel...

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Chapter 7 Solutions
MyProgrammingLab with Pearson eText -- Access Code Card -- for Building Java Programs
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