001    /* GlyphMetrics.java
002       Copyright (C) 2003 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package java.awt.font;
040    
041    import java.awt.geom.Rectangle2D;
042    
043    /**
044     * @author Michael Koch
045     */
046    public final class GlyphMetrics
047    {
048      public static final byte COMBINING = 2;
049      public static final byte COMPONENT = 3;
050      public static final byte LIGATURE = 1;
051      public static final byte STANDARD = 0;
052      public static final byte WHITESPACE = 4;
053     
054      private boolean horizontal;
055      private float advanceX;
056      private float advanceY;
057      private Rectangle2D bounds;
058      private byte glyphType;
059      
060      public GlyphMetrics (boolean horizontal, float advanceX, float advanceY,
061                           Rectangle2D bounds, byte glyphType)
062      {
063        this.horizontal = horizontal;
064        this.advanceX = advanceX;
065        this.advanceY = advanceY;
066        this.bounds = bounds;
067        this.glyphType = glyphType;
068      }
069      
070      public GlyphMetrics (float advance, Rectangle2D bounds, byte glyphType)
071      {
072        this (true, advance, advance, bounds, glyphType);
073      }
074    
075      public float getAdvance ()
076      {
077        return horizontal ? advanceX : advanceY;
078      }
079    
080      public float getAdvanceX ()
081      {
082        return advanceX;
083      }
084    
085      public float getAdvanceY ()
086      {
087        return advanceY;
088      }
089    
090      public Rectangle2D getBounds2D ()
091      {
092        return bounds;
093      }
094    
095      public float getLSB()
096      {
097        if (horizontal)
098          return (float) bounds.getX();
099        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    }