1 /*
   2  * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @key headful
  27  * @bug 6692979
  28  * @summary Verify no crashes with extreme shears.
  29  */
  30 
  31 import javax.swing.*;
  32 import java.awt.*;
  33 import java.awt.font.*;
  34 import java.awt.geom.*;
  35 public class Shear extends Component {
  36 
  37     public static void main(String[] args) {
  38         JFrame f = new JFrame();
  39         f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  40         f.getContentPane().add("Center", new Shear());
  41         f.pack();
  42         f.setVisible(true);
  43     }
  44 
  45     public Dimension getPreferredSize() {
  46       return new Dimension(400,300);
  47     }
  48 
  49     public void paint(Graphics g) {
  50         Graphics2D g2 = (Graphics2D)g;
  51 
  52         g.setColor(Color.white);
  53         g.fillRect(0,0,400,300);
  54         g.setColor(Color.black);
  55         Font origFont = new Font(Font.DIALOG, Font.BOLD, 30);
  56         for (int i=0;i<=360;i++) {
  57             double sv = i*180.0/Math.PI;
  58             AffineTransform tx = AffineTransform.getShearInstance(sv, sv);
  59             Font font = origFont.deriveFont(tx);
  60             g.setFont(font);
  61             GlyphVector gv =
  62                   font.createGlyphVector(g2.getFontRenderContext(), "JavaFX");
  63             //System.out.println(gv.getVisualBounds());
  64             g.drawString("JavaFX", 100, 100);
  65         }
  66     }
  67 }