77 lines
2.6 KiB
Java
77 lines
2.6 KiB
Java
/*
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* Copyright (c) 2011, 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 7019861
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*
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* @summary Verifies that the last scanline isn't skipped when doing
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* antialiased rendering.
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*
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* @run main Test7019861
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*/
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import java.awt.BasicStroke;
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.geom.Path2D;
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import java.awt.image.BufferedImage;
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import java.util.Arrays;
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import static java.awt.RenderingHints.*;
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public class Test7019861 {
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public static void main(String[] argv) throws Exception {
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BufferedImage im = getWhiteImage(30, 30);
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Graphics2D g2 = (Graphics2D)im.getGraphics();
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g2.setRenderingHint(KEY_ANTIALIASING, VALUE_ANTIALIAS_ON);
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g2.setRenderingHint(KEY_STROKE_CONTROL, VALUE_STROKE_PURE);
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g2.setStroke(new BasicStroke(10, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
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g2.setBackground(Color.white);
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g2.setColor(Color.black);
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Path2D p = getPath(0, 0, 20);
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g2.draw(p);
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if (!(new Color(im.getRGB(20, 19))).equals(Color.black)) {
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throw new Exception("This pixel should be black");
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}
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}
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private static Path2D getPath(int x, int y, int len) {
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Path2D p = new Path2D.Double();
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p.moveTo(x, y);
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p.quadTo(x + len, y, x + len, y + len);
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return p;
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}
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private static BufferedImage getWhiteImage(int w, int h) {
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BufferedImage ret = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
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final int[] white = new int[w * h];
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Arrays.fill(white, 0xffffff);
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ret.setRGB(0, 0, w, h, white, 0, w);
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return ret;
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}
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}
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