test/jdk/java/awt/Graphics2D/Test8004859/Test8004859.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.image.BufferedImage;

import sun.java2d.SunGraphics2D;

/**
 * @test
 * @bug 8004859
 * @summary getClipBounds/getClip should return equivalent bounds.
 * @author Sergey Bylokhov
 * @modules java.desktop/sun.java2d
 *          java.desktop/sun.java2d.pipe
 */
public final class Test8004859 {

    private static Shape[] clips = {new Rectangle(0, 0, -1, -1), new Rectangle(
            100, 100, -100, -100)};

    private static boolean status = true;

    public static void main(final String[] args)
            throws NoninvertibleTransformException {
        final BufferedImage bi = new BufferedImage(300, 300,
                                                   BufferedImage.TYPE_INT_RGB);
        final Graphics2D g = (Graphics2D) bi.getGraphics();
        test(g);
        g.translate(2.0, 2.0);
        test(g);
        g.translate(-4.0, -4.0);
        test(g);
        g.scale(2.0, 2.0);
        test(g);
        g.scale(-4.0, -4.0);
        test(g);
        g.rotate(Math.toRadians(90));
        test(g);
        g.rotate(Math.toRadians(90));
        test(g);
        g.rotate(Math.toRadians(90));
        test(g);
        g.rotate(Math.toRadians(90));
        test(g);
        g.dispose();
        if (!status) {
            throw new RuntimeException("Test failed");
        }
    }

    private static void test(final Graphics2D g) {
        for (final Shape clip : clips) {
            g.setClip(clip);
            if (!g.getClip().equals(clip)) {
                System.err.println("Expected clip: " + clip);
                System.err.println("Actual clip: " + g.getClip());
                System.err.println("bounds="+g.getClip().getBounds2D());
                System.err.println("bounds="+g.getClip().getBounds());
                status = false;
            }
            final Rectangle bounds = g.getClipBounds();
            if (!clip.equals(bounds)) {
                System.err.println("Expected getClipBounds(): " + clip);
                System.err.println("Actual getClipBounds(): " + bounds);
                status = false;
            }
            g.getClipBounds(bounds);
            if (!clip.equals(bounds)) {
                System.err.println("Expected getClipBounds(r): " + clip);
                System.err.println("Actual getClipBounds(r): " + bounds);
                status = false;
            }
            if (!clip.getBounds2D().isEmpty() && ((SunGraphics2D) g).clipRegion
                    .isEmpty()) {
                System.err.println("clipRegion should not be empty");
                status = false;
            }
        }
    }
}