94 lines
3.0 KiB
Java
94 lines
3.0 KiB
Java
/*
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* Copyright (c) 1999, 2024, 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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* @bug 4088173
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* @summary This interactive test verifies that the XOR mode is not affecting
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* the clearRect() call. The correct output looks like:
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*
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* \ /
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* \ /
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* The backgound is blue.
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* The lines outside the central rectangle are green.
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* The central rectangle is also blue (the result of clearRect())
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* / \
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* / \
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*
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* @key headful
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* @run main XORClearRect
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*/
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import java.awt.Color;
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import java.awt.EventQueue;
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import java.awt.Graphics;
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import java.awt.Frame;
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import java.awt.Panel;
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import java.awt.Point;
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import java.awt.Robot;
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public class XORClearRect extends Panel {
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public static void main(String args[]) throws Exception {
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EventQueue.invokeAndWait(XORClearRect::createUI);
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try {
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Robot robot = new Robot();
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robot.waitForIdle();
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robot.delay(2000);
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Point p = frame.getLocationOnScreen();
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int pix = robot.getPixelColor(p.x + 100, p.y + 100).getRGB();
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if (pix != Color.blue.getRGB()) {
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throw new RuntimeException("Not blue");
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}
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} finally {
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if (frame != null) {
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EventQueue.invokeAndWait(frame::dispose);
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}
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}
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}
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static volatile Frame frame;
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static void createUI() {
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frame = new Frame("XORClearRect");
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frame.setBackground(Color.blue);
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XORClearRect xor = new XORClearRect();
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frame.add(xor);
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frame.setSize(200,200);
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frame.setVisible(true);
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}
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public XORClearRect() {
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setBackground(Color.blue);
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}
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public void paint(Graphics g) {
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g.setColor(Color.green);
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g.drawLine(0,0,200,200);
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g.drawLine(0,200,200,0);
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g.setXORMode(Color.blue);
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g.clearRect(50,50,100,100); //expecting the rectangle to be filled
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// with the background color (blue)
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}
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}
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