103 lines
3.3 KiB
Java
103 lines
3.3 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 4277201
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* @summary verifies that invoking a fill on a brand new Graphics object
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* does not stroke the shape in addition to filling it
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* @key headful
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*/
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/*
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* This test case tests for a problem with initializing GDI graphics
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* contexts (HDCs) where a pen is left installed in the graphics object
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* even though the AWT believes that there is no Pen installed. The
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* result is that when you try to fill a shape, GDI will both fill and
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* stroke it.
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*/
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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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.Point;
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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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public class TestPen extends Panel {
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static volatile TestPen pen;
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static volatile Frame frame;
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public TestPen() {
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setForeground(Color.black);
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setBackground(Color.white);
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}
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public Dimension getPreferredSize() {
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return new Dimension(200, 200);
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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.fillOval(50, 50, 100, 100);
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}
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static void createUI() {
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frame = new Frame();
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pen = new TestPen();
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frame.add(pen);
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frame.pack();
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frame.setVisible(true);
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}
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public static void main(String argv[]) throws Exception {
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try {
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EventQueue.invokeAndWait(TestPen::createUI);
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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 = pen.getLocationOnScreen();
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Dimension d = pen.getSize();
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Rectangle r = new Rectangle(p.x + 1, p.y + 1, d.width - 2, d.height - 2);
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BufferedImage bi = robot.createScreenCapture(r);
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int blackPixel = Color.black.getRGB();
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for (int y = 0; y < bi.getHeight(); y++ ) {
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for (int x = 0; x < bi.getWidth(); x++ ) {
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if (bi.getRGB(x, y) == blackPixel) {
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throw new RuntimeException("Black pixel !");
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}
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}
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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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}
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