/* * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @key headful * @bug 8162959 * @summary Validate output of createMultiResolutionScreenCapture * new API which returns MultiResolutionImage. * @run main/othervm -Dsun.java2d.uiScale=1 ScreenCaptureTest * @run main/othervm -Dsun.java2d.uiScale=2 ScreenCaptureTest */ import java.awt.Dimension; import java.awt.GraphicsEnvironment; import java.awt.Image; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.geom.AffineTransform; import java.awt.image.BufferedImage; import java.awt.image.MultiResolutionImage; import java.awt.BorderLayout; import java.awt.Canvas; import java.awt.Color; import java.awt.Frame; import java.awt.Graphics; import java.awt.Panel; import java.awt.Robot; import java.util.List; public class ScreenCaptureTest { private static Robot robot; private static Frame frame; private static boolean isHiDPI = true; private static final Color[] COLORS = { Color.GREEN, Color.BLUE, Color.ORANGE, Color.RED}; public static void main(String[] args) throws Exception { frame = new Frame(); frame.setBounds(0, 0, 400, 400); frame.setUndecorated(true); robot = new Robot(); Panel panel = new Panel(new BorderLayout()); Canvas canvas = new Canvas() { public void paint(Graphics g) { super.paint(g); int w = getWidth(); int h = getHeight(); g.setColor(COLORS[0]); g.fillRect(0, 0, w / 2, h / 2); g.setColor(COLORS[1]); g.fillRect(w / 2, 0, w / 2, h / 2); g.setColor(COLORS[2]); g.fillRect(0, h / 2, w / 2, h / 2); g.setColor(COLORS[3]); g.fillRect(w / 2, h / 2, w / 2, h / 2); } }; panel.add(canvas); frame.add(panel); frame.setVisible(true); robot.delay(500); robot.waitForIdle(); int w = frame.getWidth(); int h = frame.getHeight(); // getPixelColor Test // Check pixel color in first quardant GREEN; x=100, y=100 if (!robot.getPixelColor(w / 4, h / 4).equals(COLORS[0])) { throw new RuntimeException("Wrong Pixel Color! Expected GREEN"); } // Check pixel color in second quardant; BLUE, x=300, y=100 if (!robot.getPixelColor(3 * w / 4, h / 4).equals(COLORS[1])) { throw new RuntimeException("Wrong Pixel Color! Expected BLUE"); } // Check pixel color in third quardant; ORANGE, x=100, y=300 if (!robot.getPixelColor(w / 4, 3 * h / 4).equals(COLORS[2])) { throw new RuntimeException("Wrong Pixel Color! Expected ORANGE"); } // Check pixel color in fourth quardant; RED, x=300, y=300 if (!robot.getPixelColor(3 * w / 4, 3 * h / 4).equals(COLORS[3])) { throw new RuntimeException("Wrong Pixel Color! Expected RED"); } // createScreenCaptureTest AffineTransform tx = GraphicsEnvironment.getLocalGraphicsEnvironment() .getDefaultScreenDevice().getDefaultConfiguration() .getDefaultTransform(); if (tx.getScaleX() == 1 && tx.getScaleY() == 1) { isHiDPI = false; } MultiResolutionImage image = robot.createMultiResolutionScreenCapture(frame.getBounds()); List imageList = image.getResolutionVariants(); int size = imageList.size(); BufferedImage lowResImage; BufferedImage highResImage; if (!isHiDPI) { // Check if output is MultiResolutionImage with one variant if (size != 1) { throw new RuntimeException(" Invalid variant size"); } lowResImage = (BufferedImage) imageList.get(0); System.out.println(frame.getBounds()); System.out.println(lowResImage.getWidth()+" "+lowResImage.getHeight()); if (frame.getWidth() != lowResImage.getWidth() || frame.getHeight() != lowResImage.getHeight()) { throw new RuntimeException(" Invalid Image size"); } } else { // Check if output contains two variants. if (size != 2) { throw new RuntimeException(" Invalid variant size"); } // Check if hight resolution image size is scale times low resolution image. lowResImage = (BufferedImage) imageList.get(0); highResImage = (BufferedImage) imageList.get(1); int lW = (int) lowResImage.getWidth(); int lH = (int) lowResImage.getHeight(); int hW = (int) highResImage.getWidth(); int hH = (int) highResImage.getHeight(); if ( hW != (tx.getScaleX() * lW) || hH != (tx.getScaleY() * lH)) { throw new RuntimeException(" Invalid Resolution Variants"); } // Check if both image colors are same at some location. if (lowResImage.getRGB(lW / 4, lH / 4) != highResImage.getRGB(hW / 4, hH / 4)) { throw new RuntimeException("Wrong image color!"); } if (lowResImage.getRGB(3 * lW / 4, lH / 4) != highResImage.getRGB(3 * hW / 4, hH / 4)) { throw new RuntimeException("Wrong image color!"); } if (lowResImage.getRGB(lW / 4, 3 * lH / 4) != highResImage.getRGB(hW / 4, 3 * hH / 4)) { throw new RuntimeException("Wrong image color!"); } if (lowResImage.getRGB(3 * lW / 4, 3 * lH / 4) != highResImage.getRGB(3 * hW / 4, 3 * hH / 4)) { throw new RuntimeException("Wrong image color!"); } } frame.dispose(); } }