001    /* RenderContext.java -- 
002       Copyright (C) 2002 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.image.renderable;
040    
041    import java.awt.RenderingHints;
042    import java.awt.Shape;
043    import java.awt.geom.AffineTransform;
044    
045    public class RenderContext implements Cloneable
046    {
047      private AffineTransform xform;
048      private Shape aoi;
049      private RenderingHints hints;
050    
051      public RenderContext(AffineTransform xform, Shape aoi, RenderingHints hints)
052      {
053        this.xform = xform;
054        this.aoi = aoi;
055        this.hints = hints;
056      }
057    
058      public RenderContext(AffineTransform xform)
059      {
060        this(xform, null, null);
061      }
062    
063      public RenderContext(AffineTransform xform, RenderingHints hints)
064      {
065        this(xform, null, hints);
066      }
067    
068      public RenderContext(AffineTransform xform, Shape aoi)
069      {
070        this(xform, aoi, null);
071      }
072    
073      public RenderingHints getRenderingHints()
074      {
075        return hints;
076      }
077    
078      public void setRenderingHints(RenderingHints hints)
079      {
080        this.hints = hints;
081      }
082    
083      public void setTransform(AffineTransform xform)
084      {
085        this.xform = xform;
086      }
087    
088      public void preConcatenateTransform(AffineTransform pre)
089      {
090        preConcetenateTransform (pre);
091      }
092    
093      /** @deprecated */
094      public void preConcetenateTransform(AffineTransform pre)
095      {
096        xform.preConcatenate (pre);
097      }
098    
099      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