Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.File;
import java.net.URL;

import javax.imageio.ImageIO;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedImage inputFile = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));

        for (int x = 0; x < inputFile.getWidth(); x++) {
            for (int y = 0; y < inputFile.getHeight(); y++) {
                int rgba = inputFile.getRGB(x, y);
                Color col = new Color(rgba, true);
                col = new Color(255 - col.getRed(), 255 - col.getGreen(), 255 - col.getBlue());
                inputFile.setRGB(x, y, col.getRGB());
            }
        }

        File outputFile = new File("invert.png");
        ImageIO.write(inputFile, "png", outputFile);

    }
}