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