91 lines
3.0 KiB
Java
91 lines
3.0 KiB
Java
/*
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* Copyright (c) 2014, 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.AWTException;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.Label;
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import java.awt.Point;
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/**
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* @test
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* @key headful
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* @bug 7157680
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* @library /lib/client
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* @build ExtendedRobot
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* @author Sergey Bylokhov
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* @run main/othervm -Dsun.java2d.uiScale=1 PaintNativeOnUpdate
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*/
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public final class PaintNativeOnUpdate extends Label {
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private boolean fullUpdate = true;
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public static void main(final String[] args) throws AWTException {
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ExtendedRobot robot = new ExtendedRobot();
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robot.setAutoDelay(50);
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final Frame frame = new Frame();
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final Component label = new PaintNativeOnUpdate();
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frame.setBackground(Color.RED);
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frame.add(label);
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frame.setSize(300, 300);
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frame.setUndecorated(true);
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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robot.waitForIdle(1000);
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label.repaint();// first paint
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robot.waitForIdle(1000);
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label.repaint();// incremental paint
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robot.waitForIdle(1000);
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Point point = label.getLocationOnScreen();
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Color color = robot.getPixelColor(point.x + label.getWidth() / 2,
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point.y + label.getHeight() / 2);
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if (!color.equals(Color.GREEN)) {
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System.err.println("Expected color = " + Color.GREEN);
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System.err.println("Actual color = " + color);
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throw new RuntimeException();
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}
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frame.dispose();
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}
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@Override
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public void update(final Graphics g) {
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if (fullUpdate) {
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//full paint
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g.setColor(Color.GREEN);
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g.fillRect(0, 0, getWidth(), getHeight());
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fullUpdate = false;
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} else {
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// Do nothing
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// incremental paint
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}
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}
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@Override
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public void paint(final Graphics g) {
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// Do nothing
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}
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}
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