98 lines
3.5 KiB
Java
98 lines
3.5 KiB
Java
/*
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* Copyright (c) 2015, 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.*;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import javax.swing.*;
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import javax.swing.tree.DefaultMutableTreeNode;
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import javax.swing.tree.DefaultTreeModel;
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/*
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* @test
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* @bug 8072676
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* @summary Checks if the tree painter doesn't expand existing clip
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* @author Anton Nashatyrev
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*/
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public class TreeClipTest {
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static boolean passed = true;
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static boolean checkImage(BufferedImage img, int clipY) {
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for (int y = clipY; y < img.getHeight(); y++) {
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for (int x = 0; x < img.getWidth(); x++) {
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if ((img.getRGB(x,y) & 0xFFFFFF) != 0xFFFFFF) {
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return false;
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}
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}
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}
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return true;
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}
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public static void main(String[] args) throws Exception {
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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DefaultMutableTreeNode root = new DefaultMutableTreeNode("JTree");
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DefaultMutableTreeNode parent;
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parent = new DefaultMutableTreeNode("colors");
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root.add(parent);
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parent.add(new DefaultMutableTreeNode("blue"));
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DefaultTreeModel model = new DefaultTreeModel(root);
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JTree tree = new JTree(model);
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BufferedImage img = new BufferedImage(50, 50, BufferedImage.TYPE_INT_ARGB);
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for (int clipY = 1; clipY < 50; clipY++) {
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Graphics2D ig = img.createGraphics();
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ig.setColor(Color.WHITE);
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ig.fillRect(0,0,1000, 1000);
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tree.setSize(200,200);
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ig.setClip(0,0,1000,clipY);
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tree.paint(ig);
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ig.dispose();
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if (!checkImage(img, clipY)) {
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System.err.println("Failed with clipY=" + clipY);
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passed = false;
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try {
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ImageIO.write(img, "PNG", new File("failedResult.png"));
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} catch (IOException e) {
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e.printStackTrace();
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}
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return;
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}
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}
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}
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});
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if (!passed) {
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throw new RuntimeException("Test failed.");
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} else {
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System.out.println("Passed.");
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}
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}
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}
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