001/* RenderContext.java -- 002 Copyright (C) 2002 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package java.awt.image.renderable; 040 041import java.awt.RenderingHints; 042import java.awt.Shape; 043import java.awt.geom.AffineTransform; 044 045public 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