120 lines
4.0 KiB
Java
120 lines
4.0 KiB
Java
/*
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* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.BorderLayout;
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import java.awt.Canvas;
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import java.awt.Color;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.Panel;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.image.BufferedImage;
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import javax.swing.UIManager;
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/**
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* @test
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* @key headful
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* @bug 8073320
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* @summary Windows HiDPI support
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* @author Alexander Scherbatiy
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* @requires (os.family == "linux" | os.family == "windows")
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* @run main/othervm -Dsun.java2d.win.uiScaleX=3 -Dsun.java2d.win.uiScaleY=2
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* HiDPIRobotScreenCaptureTest
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*/
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public class HiDPIRobotScreenCaptureTest {
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private static final Color[] COLORS = {
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Color.GREEN, Color.BLUE, Color.ORANGE, Color.RED};
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public static void main(String[] args) throws Exception {
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if (System.getProperty("os.name").toLowerCase().contains("win")) {
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try {
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UIManager.setLookAndFeel(
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"com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
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} catch (Exception e) {
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return;
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}
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}
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Frame frame = new Frame();
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frame.setBounds(40, 30, 400, 300);
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frame.setUndecorated(true);
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Panel panel = new Panel(new BorderLayout());
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Canvas canvas = new Canvas() {
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@Override
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public void paint(Graphics g) {
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super.paint(g);
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int w = getWidth();
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int h = getHeight();
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g.setColor(COLORS[0]);
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g.fillRect(0, 0, w / 2, h / 2);
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g.setColor(COLORS[1]);
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g.fillRect(w / 2, 0, w / 2, h / 2);
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g.setColor(COLORS[2]);
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g.fillRect(0, h / 2, w / 2, h / 2);
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g.setColor(COLORS[3]);
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g.fillRect(w / 2, h / 2, w / 2, h / 2);
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}
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};
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panel.add(canvas);
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frame.add(panel);
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frame.setVisible(true);
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Robot robot = new Robot();
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robot.waitForIdle();
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Thread.sleep(200);
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Rectangle rect = canvas.getBounds();
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rect.setLocation(canvas.getLocationOnScreen());
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BufferedImage image = robot.createScreenCapture(rect);
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frame.dispose();
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int w = image.getWidth();
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int h = image.getHeight();
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if (w != frame.getWidth() || h != frame.getHeight()) {
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throw new RuntimeException("Wrong image size!");
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}
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if (image.getRGB(w / 4, h / 4) != COLORS[0].getRGB()) {
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throw new RuntimeException("Wrong image color!");
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}
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if (image.getRGB(3 * w / 4, h / 4) != COLORS[1].getRGB()) {
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throw new RuntimeException("Wrong image color!");
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}
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if (image.getRGB(w / 4, 3 * h / 4) != COLORS[2].getRGB()) {
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throw new RuntimeException("Wrong image color!");
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}
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if (image.getRGB(3 * w / 4, 3 * h / 4) != COLORS[3].getRGB()) {
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throw new RuntimeException("Wrong image color!");
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}
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}
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} |