
Explanation of Solution
Method “rotateLeft()” to rotate the image in the counter clock wise or to call the “rotateRight()” to rotate the image in the clock wise:
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
rotateLeft(drawpanel);
}
//Definition of method rotateLeft
public static void rotateLeft(DrawingPanel panel)
{
//Create an array to store the pixels
int[][] pixels = panel.getPixelsRGB();
//Create a two dimensional array to store the pixel
int[][] newPixels = new int[pixels[0].length][pixels.length];
//Traverse the row of the image
for (int row = 0; row < pixels.length; row++)
{
//Traverse the column of the image
for (int col = 0; col < pixels[0].length; col++)
{
//Assign col to "newRow"
int newRow = col;
//Get the values for the "newCol"
int newCol = pixels...

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Chapter 7 Solutions
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