jdk/test/java/awt/font/TextLayout/DecorationBoundsTest.java
changeset 1725 3be564c67d63
child 5506 202f599c92aa
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1724:a22a286aa16f 1725:3be564c67d63
       
     1 /*
       
     2  * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
       
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
       
    21  * have any questions.
       
    22  */
       
    23 
       
    24 /* @test
       
    25  * @summary verify bounds enclose rendering of decorations.
       
    26  * @bug 6751621
       
    27  */
       
    28 
       
    29 import java.awt.*;
       
    30 import java.awt.font.*;
       
    31 import java.awt.geom.*;
       
    32 import java.awt.image.*;
       
    33 import java.util.*;
       
    34 
       
    35 public class DecorationBoundsTest {
       
    36 
       
    37     public static void main(String[] args) {
       
    38         BufferedImage bi =
       
    39            new BufferedImage(600, 300, BufferedImage.TYPE_INT_RGB);
       
    40        Graphics2D g2d = bi.createGraphics();
       
    41        g2d.setColor(Color.white);
       
    42        g2d.fillRect(0, 0, 600, 300);
       
    43 
       
    44        float x = 10;
       
    45        float y = 90;
       
    46        Map map = new HashMap();
       
    47        map.put(TextAttribute.STRIKETHROUGH,
       
    48                TextAttribute.STRIKETHROUGH_ON);
       
    49        map.put(TextAttribute.SIZE, new Float(80));
       
    50 
       
    51        FontRenderContext frc = g2d.getFontRenderContext();
       
    52 
       
    53        String text = "Welcome to ";
       
    54        TextLayout tl = new TextLayout(text, map, frc);
       
    55        g2d.translate(x, y);
       
    56        g2d.setColor(Color.RED);
       
    57        tl.draw(g2d, 0, 0);
       
    58        g2d.setColor(Color.GREEN);
       
    59        Rectangle2D bds = tl.getBounds();
       
    60        /* Since due to pixelisation the glyphs may touch above
       
    61         * or below the theoretical outline bounds, pad in the
       
    62         * y direction to avoid spurious failures.
       
    63         */
       
    64        bds.setRect(bds.getX(), bds.getY()-1,
       
    65                    bds.getWidth(), bds.getHeight()+2);
       
    66        g2d.fill(bds);
       
    67 
       
    68        map = new HashMap();
       
    69        map.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
       
    70        map.put(TextAttribute.SIZE, new Float(80));
       
    71        tl = new TextLayout(text, map, frc);
       
    72        g2d.translate(0, 100);
       
    73        g2d.setColor(Color.RED);
       
    74        tl.draw(g2d, 0, 0);
       
    75 
       
    76        g2d.setColor(Color.GREEN);
       
    77        bds = tl.getBounds();
       
    78        bds.setRect(bds.getX(), bds.getY()-1,
       
    79                    bds.getWidth(), bds.getHeight()+2);
       
    80        g2d.fill(bds);
       
    81 
       
    82        checkBI(bi, Color.RED);
       
    83    }
       
    84 
       
    85    static void checkBI(BufferedImage bi, Color badColor) {
       
    86       int badrgb = badColor.getRGB();
       
    87       int w = bi.getWidth(null);
       
    88       int h = bi.getHeight(null);
       
    89       for (int x=0; x<w; x++) {
       
    90           for (int y=0; y<h; y++) {
       
    91              int col = bi.getRGB(x, y);
       
    92              if (col == badrgb) {
       
    93                   throw new RuntimeException("Got " + col);
       
    94              }
       
    95           }
       
    96       }
       
    97    }
       
    98 }