Processingで画面全体のスクリーンショットを撮る

import java.awt.Dimension;

import java.awt.Toolkit;

import java.awt.Robot;

import java.awt.Rectangle;

import java.awt.image.*;

void setup() {

PImage img=screenshot();

size(img.width/2,img.height/2);

image(img,0,0,width,height);

}

PImage screenshot() {//スクショをPImage型で保存

try {

Robot robot = new Robot();

Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

BufferedImage img = robot.createScreenCapture(new Rectangle(screenSize));

return b2p(img);

}

catch(Exception e) {

}

return null;

}

PImage b2p(BufferedImage img1) {//BufferedImageをPImageに変更

PImage img2 = createImage(img1.getWidth(), img1.getHeight(), ARGB);

Raster r=img1.getRaster();

for (int i = 0; i < img2.width; i++) {

for (int j = 0; j < img2.height; j++) {

int data[]=r.getPixel(i,j,new int[4]);

img2.pixels[i + j * img2.width] = img1.getRGB(i, j);

}

}

img2.updatePixels();

return img2;

}