Source for gnu.java.awt.font.autofit.AutoHinter

   1: /* AutoHinter.java -- The entry point into the hinter implementation.
   2:    Copyright (C) 2006 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 gnu.java.awt.font.autofit;
  40: 
  41: import gnu.java.awt.font.opentype.Hinter;
  42: import gnu.java.awt.font.opentype.OpenTypeFont;
  43: import gnu.java.awt.font.opentype.truetype.Fixed;
  44: import gnu.java.awt.font.opentype.truetype.Zone;
  45: 
  46: /**
  47:  * The public interface to the automatic gridfitter.
  48:  */
  49: public class AutoHinter
  50:   implements Hinter
  51: {
  52:   Latin latinScript;
  53:   LatinMetrics metrics;
  54:   GlyphHints hints;
  55: 
  56:   HintScaler scaler = new HintScaler();
  57:   public void init(OpenTypeFont font)
  58:   {
  59:     // TODO: Should support other scripts too.
  60:     latinScript = new Latin();
  61:     metrics = new LatinMetrics(font);
  62:     latinScript.initMetrics(metrics, font);
  63:     scaler.face = font;
  64:   }
  65: 
  66:   public void applyHints(Zone outline)
  67:   {
  68:     if (hints == null)
  69:       hints = new GlyphHints();
  70:     scaler.xScale = Fixed.valueOf16(outline.scaleX * 64);
  71:     scaler.yScale = Fixed.valueOf16(outline.scaleY * 64);
  72:     latinScript.scaleMetrics(metrics, scaler);
  73:     latinScript.applyHints(hints, outline, metrics);
  74:   }
  75: 
  76:   public void setFlags(int flags)
  77:   {
  78:     if (hints == null)
  79:       hints = new GlyphHints();
  80:     hints.flags = flags;
  81:   }
  82: 
  83: }