140 lines
4.7 KiB
Java
140 lines
4.7 KiB
Java
/*
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* Copyright (c) 2008, 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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/*
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@test
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@key headful
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@bug 6594131 8186617
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@summary Tests the Window.get/setOpacity() methods
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*/
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import java.awt.AWTException;
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import java.awt.Frame;
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import java.awt.GraphicsDevice;
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import java.awt.GraphicsEnvironment;
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import java.awt.Robot;
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public class WindowOpacity {
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public static void main(String[] args) throws Exception {
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GraphicsDevice gd =
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GraphicsEnvironment.getLocalGraphicsEnvironment()
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.getDefaultScreenDevice();
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if (!gd.isWindowTranslucencySupported(
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GraphicsDevice.WindowTranslucency.TRANSLUCENT)) {
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System.out.println(
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"Either the Toolkit or the native system does not support"
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+ " controlling the window opacity level.");
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return;
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}
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Frame f = new Frame("Opacity test");
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try {
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test(f);
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} finally {
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f.dispose();
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}
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}
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private static void test(final Frame f) throws AWTException {
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boolean passed;
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f.setUndecorated(true);
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float curOpacity = f.getOpacity();
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if (curOpacity < 1.0f || curOpacity > 1.0f) {
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throw new RuntimeException(
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"getOpacity() reports the initial opacity level "
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+ "other than 1.0: " + curOpacity);
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}
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passed = false;
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try {
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f.setOpacity(-0.5f);
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} catch (IllegalArgumentException e) {
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passed = true;
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}
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if (!passed) {
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throw new RuntimeException(
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"setOpacity() allows passing negative opacity level.");
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}
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passed = false;
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try {
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f.setOpacity(1.5f);
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} catch (IllegalArgumentException e) {
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passed = true;
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}
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if (!passed) {
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throw new RuntimeException(
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"setOpacity() allows passing opacity level greater than 1.0.");
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}
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f.setOpacity(0.5f);
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curOpacity = f.getOpacity();
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if (curOpacity < 0.5f || curOpacity > 0.5f) {
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throw new RuntimeException(
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"setOpacity() reports the opacity level that "
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+ "differs from the value set with "
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+ "setWindowOpacity: " + curOpacity);
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}
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f.setOpacity(0.75f);
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curOpacity = f.getOpacity();
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if (curOpacity < 0.75f || curOpacity > 0.75f) {
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throw new RuntimeException(
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"getOpacity() reports the opacity level that "
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+ "differs from the value set with "
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+ "setWindowOpacity the second time: "
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+ curOpacity);
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}
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f.setBounds(100, 100, 300, 200);
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f.setVisible(true);
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Robot robot = new Robot();
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robot.waitForIdle();
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curOpacity = f.getOpacity();
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if (curOpacity < 0.75f || curOpacity > 0.75f) {
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throw new RuntimeException(
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"getOpacity() reports the opacity level that "
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+ "differs from the value set with "
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+ "setWindowOpacity before showing the frame: "
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+ curOpacity);
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}
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f.setOpacity(0.5f);
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robot.waitForIdle();
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curOpacity = f.getOpacity();
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if (curOpacity < 0.5f || curOpacity > 0.5f) {
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throw new RuntimeException(
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"getOpacity() reports the opacity level that "
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+ "differs from the value set with "
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+ "setWindowOpacity after showing the frame: "
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+ curOpacity);
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}
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}
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}
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