toolchain/gcc/libjava/java/awt/image/renderable/RenderContext.java

   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., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 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     xform.preConcatenate(pre);
  91   }
  92
  93   /** @deprecated Sun can't spell concatenate */
  94   public void preConcetenateTransform(AffineTransform pre)
  95   {
  96     preConcetenateTransform(pre);
  97   }
  98
  99   public void concatenateTransform(AffineTransform post)
 100   {
 101     xform.concatenate(post);
 102   }
 103
 104   /** @deprecated Sun can't spell concatenate */
 105   public void concetenateTransform(AffineTransform post)
 106   {
 107     concatenateTransform(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