Source for java.awt.image.renderable.RenderContext

   1: /* RenderContext.java -- 
   2:    Copyright (C) 2002 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.image.renderable;
  40: 
  41: import java.awt.RenderingHints;
  42: import java.awt.Shape;
  43: import java.awt.geom.AffineTransform;
  44: 
  45: public class RenderContext implements Cloneable
  46: {
  47:   private AffineTransform xform;
  48:   private Shape aoi;
  49:   private RenderingHints hints;
  50: 
  51:   public RenderContext(AffineTransform xform, Shape aoi, RenderingHints hints)
  52:   {
  53:     this.xform = xform;
  54:     this.aoi = aoi;
  55:     this.hints = hints;
  56:   }
  57: 
  58:   public RenderContext(AffineTransform xform)
  59:   {
  60:     this(xform, null, null);
  61:   }
  62: 
  63:   public RenderContext(AffineTransform xform, RenderingHints hints)
  64:   {
  65:     this(xform, null, hints);
  66:   }
  67: 
  68:   public RenderContext(AffineTransform xform, Shape aoi)
  69:   {
  70:     this(xform, aoi, null);
  71:   }
  72: 
  73:   public RenderingHints getRenderingHints()
  74:   {
  75:     return hints;
  76:   }
  77: 
  78:   public void setRenderingHints(RenderingHints hints)
  79:   {
  80:     this.hints = hints;
  81:   }
  82: 
  83:   public void setTransform(AffineTransform xform)
  84:   {
  85:     this.xform = xform;
  86:   }
  87: 
  88:   public void preConcatenateTransform(AffineTransform pre)
  89:   {
  90:     preConcetenateTransform (pre);
  91:   }
  92: 
  93:   /** @deprecated */
  94:   public void preConcetenateTransform(AffineTransform pre)
  95:   {
  96:     xform.preConcatenate (pre);
  97:   }
  98: 
  99:   public void concatenateTransform(AffineTransform post)
 100:   {
 101:     concetenateTransform (post);
 102:   }
 103: 
 104:   /** @deprecated */
 105:   public void concetenateTransform(AffineTransform post)
 106:   {
 107:     xform.concatenate (post);
 108:   }
 109: 
 110:   public AffineTransform getTransform()
 111:   {
 112:     return xform;
 113:   }
 114: 
 115:   public void setAreaOfInterest(Shape aoi)
 116:   {
 117:     this.aoi = aoi;
 118:   }
 119: 
 120:   public Shape getAreaOfInterest()
 121:   {
 122:     return aoi;
 123:   }
 124: 
 125:   public Object clone()
 126:   {
 127:     try
 128:       {
 129:         RenderContext copy = (RenderContext) super.clone();
 130:         if (xform != null)
 131:           copy.xform = (AffineTransform) xform.clone();
 132:         if (hints != null)
 133:           copy.hints = (RenderingHints) hints.clone();
 134:         return copy;
 135:       }
 136:     catch (CloneNotSupportedException e)
 137:       {
 138:         throw (Error) new InternalError().initCause(e); // impossible
 139:       }
 140:   }
 141: } // class RenderContext