105 lines
3.5 KiB
Java
105 lines
3.5 KiB
Java
/*
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* Copyright (c) 2023, 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.io.*;
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import java.awt.*;
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import java.awt.image.*;
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import java.awt.geom.*;
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import java.util.Arrays;
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import javax.imageio.*;
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/**
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* @test
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* @bug 8316741
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* @summary Verifies that Marlin renderer's Stroker generates properly joins
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* in createStrokedShape()
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* @run main TestCreateStrokedShapeJoins
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*/
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public class TestCreateStrokedShapeJoins {
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static final boolean SAVE_IMAGE = false;
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private final static int W = 200;
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private final static int[] REF_COUNTS = new int[] {4561, 4790, 5499};
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public static void main(String[] args) throws Exception {
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final int[] test = new int[] {
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test(BasicStroke.JOIN_BEVEL),
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test(BasicStroke.JOIN_ROUND),
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test(BasicStroke.JOIN_MITER)
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};
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System.out.println("test: " + Arrays.toString(test));
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System.out.println("ref: " + Arrays.toString(REF_COUNTS));
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// check results:
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for (int i = 0; i < REF_COUNTS.length; i++) {
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if (test[i] != REF_COUNTS[i]) {
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throw new RuntimeException("Invalid test[" + i + "]: " + test[i] + " != " + REF_COUNTS[i]);
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}
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}
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}
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private static int test(int join) throws Exception {
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final BufferedImage image = new BufferedImage(W, W, BufferedImage.TYPE_INT_ARGB);
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final Graphics2D g = image.createGraphics();
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try {
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g.setPaint(Color.BLACK);
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g.fillRect(0, 0, W, W);
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g.setPaint(Color.WHITE);
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g.setTransform(new AffineTransform(W, 0, 0, W, 0, 0));
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final BasicStroke stroke = new BasicStroke(0.15f, 0, join, 10);
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final Path2D p = new Path2D.Float();
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p.moveTo(0.95f, 0.6f);
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p.lineTo(0.5f, 0.5f);
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p.lineTo(0.95f, 0.4f);
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final Shape outline = stroke.createStrokedShape(p);
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g.fill(outline);
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} finally {
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g.dispose();
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}
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if (SAVE_IMAGE) {
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final File file = new File("TestCreateStrokedShapeJoins-" + join + ".png");
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System.out.println("Writing " + file.getAbsolutePath());
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ImageIO.write(image, "png", file);
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}
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int count = 0;
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for (int y = 0; y < W; y++) {
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for (int x = 0; x < W; x++) {
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final int rgb = image.getRGB(x, y);
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final int b = rgb & 0xFF;
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if (b != 0) {
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count++;
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}
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}
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}
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return count;
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}
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}
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