1 /*
   2  * Copyright (c) 2013, 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 import java.awt.Color;
  25 import java.awt.Graphics2D;
  26 import java.awt.RenderingHints;
  27 import java.awt.image.BufferedImage;
  28 import java.io.File;
  29 import java.io.IOException;
  30 
  31 import javax.imageio.ImageIO;
  32 
  33 /**
  34  * @test
  35  * @bug 7190349
  36  * @summary Verifies that we get correct direction, when draw rotated string.
  37  * @author Sergey Bylokhov
  38  * @run main/othervm DrawRotatedString
  39  */
  40 public final class DrawRotatedString {
  41 
  42     private static final int SIZE = 500;
  43 
  44     public static void main(final String[] args) throws IOException {
  45         BufferedImage bi = createBufferedImage(true);
  46         verify(bi);
  47         bi = createBufferedImage(false);
  48         verify(bi);
  49         System.out.println("Passed");
  50     }
  51 
  52     private static void verify(BufferedImage bi) throws IOException {
  53         for (int i = 0; i < SIZE; ++i) {
  54             for (int j = 0; j < 99; ++j) {
  55                 //Text should not appear before 100
  56                 if (bi.getRGB(i, j) != Color.RED.getRGB()) {
  57                     ImageIO.write(bi, "png", new File("image.png"));
  58                     throw new RuntimeException("Failed: wrong text location");
  59                 }
  60             }
  61         }
  62     }
  63 
  64     private static BufferedImage createBufferedImage(final boolean  aa) {
  65         final BufferedImage bi = new BufferedImage(SIZE, SIZE,
  66                                                    BufferedImage.TYPE_INT_RGB);
  67         final Graphics2D bg = bi.createGraphics();
  68         bg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
  69                             aa ? RenderingHints.VALUE_ANTIALIAS_ON
  70                                : RenderingHints.VALUE_ANTIALIAS_OFF);
  71         bg.setColor(Color.RED);
  72         bg.fillRect(0, 0, SIZE, SIZE);
  73         bg.translate(100, 100);
  74         bg.rotate(Math.toRadians(90));
  75         bg.setColor(Color.BLACK);
  76         bg.setFont(bg.getFont().deriveFont(20.0f));
  77         bg.drawString("MMMMMMMMMMMMMMMM", 0, 0);
  78         bg.dispose();
  79         return bi;
  80     }
  81 }