trunk/libjava/classpath/java/awt/font/GlyphMetrics.java

   1 /* GlyphMetrics.java
   2    Copyright (C) 2003 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package java.awt.font;
  40
  41 import java.awt.geom.Rectangle2D;
  42
  43 /**
  44  * @author Michael Koch
  45  */
  46 public final class GlyphMetrics
  47 {
  48   public static final byte COMBINING = 2;
  49   public static final byte COMPONENT = 3;
  50   public static final byte LIGATURE = 1;
  51   public static final byte STANDARD = 0;
  52   public static final byte WHITESPACE = 4;
  53
  54   private boolean horizontal;
  55   private float advanceX;
  56   private float advanceY;
  57   private Rectangle2D bounds;
  58   private byte glyphType;
  59
  60   public GlyphMetrics (boolean horizontal, float advanceX, float advanceY,
  61                        Rectangle2D bounds, byte glyphType)
  62   {
  63     this.horizontal = horizontal;
  64     this.advanceX = advanceX;
  65     this.advanceY = advanceY;
  66     this.bounds = bounds;
  67     this.glyphType = glyphType;
  68   }
  69
  70   public GlyphMetrics (float advance, Rectangle2D bounds, byte glyphType)
  71   {
  72     this (true, advance, advance, bounds, glyphType);
  73   }
  74
  75   public float getAdvance ()
  76   {
  77     return horizontal ? advanceX : advanceY;
  78   }
  79
  80   public float getAdvanceX ()
  81   {
  82     return advanceX;
  83   }
  84
  85   public float getAdvanceY ()
  86   {
  87     return advanceY;
  88   }
  89
  90   public Rectangle2D getBounds2D ()
  91   {
  92     return bounds;
  93   }
  94
  95   public float getLSB()
  96   {
  97     if (horizontal)
  98       return (float) bounds.getX();
  99     return (float) bounds.getY();
 100   }
 101
 102   public float getRSB()
 103   {
 104     if (horizontal)
 105       return (float) (advanceX - (bounds.getX() + bounds.getWidth()));
 106     return (float) (advanceY - (bounds.getY() + bounds.getHeight()));
 107   }
 108
 109   public int getType ()
 110   {
 111     return glyphType;
 112   }
 113
 114   public boolean isCombining ()
 115   {
 116     return (glyphType == COMBINING);
 117   }
 118
 119   public boolean isComponent ()
 120   {
 121     return (glyphType == COMPONENT);
 122   }
 123
 124   public boolean isLigature()
 125   {
 126     return (glyphType == LIGATURE);
 127   }
 128
 129   public boolean isStandard()
 130   {
 131     return (glyphType == STANDARD);
 132   }
 133
 134   public boolean isWhitespace()
 135   {
 136     return (glyphType == WHITESPACE);
 137   }
 138 }