| /* |
| * 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 |
| * @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<Image> 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(); |
| } |
| |
| } |