imageprocessing.java

通过将照片像素的提取的运用

import acm.program.*;
import acm.graphics.*;

public class ImageProcessing extends GraphicsProgram{
	
	public void run(){
		GImage image = new GImage("EmilyW.jpg");
		GImage rImage = RImage(image);
		
		image.scale(2.0);
		add(image, 10, 50);
		
		rImage.scale(2.0);
		add(rImage, 350, 50);
	}

	private GImage RImage(GImage image) {
		int[][] array = image.getPixelArray();
		
		int height = array.length;
		int width = array[0].length;
		
		int[][] rArray = new int[height][width];
		
		for(int i = 0; i < height; i++){
			for(int j = 0; j < width; j++){
				rArray[i][width - j - 1] = array[i][j]; 
			}
		}
		return new GImage(rArray);
	}

}