/[classpath]/classpath/javax/imageio/IIOParam.java
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Diff of /classpath/javax/imageio/IIOParam.java

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revision 1.1 by mkoch, Mon Oct 4 07:22:51 2004 UTC revision 1.2 by mkoch, Tue Oct 5 07:07:53 2004 UTC
# Line 38  exception statement from your version. * Line 38  exception statement from your version. *
38    
39  package javax.imageio;  package javax.imageio;
40    
41    import java.awt.Point;
42    import java.awt.Rectangle;
43    
44  /**  /**
45   * @author Michael Koch (konqueror@gmx.de)   * @author Michael Koch (konqueror@gmx.de)
46   */   */
47  public abstract class IIOParam  public abstract class IIOParam
48  {  {
49      protected IIOParamController controller;
50      protected IIOParamController defaultController;
51      protected Point destinationOffset = new Point(0, 0);
52      protected ImageTypeSpecifier destinationType;
53      protected int[] sourceBands;
54      protected Rectangle sourceRegion;
55      protected int sourceXSubsampling;
56      protected int sourceYSubsampling;
57      protected int subsamplingXOffset;
58      protected int subsamplingYOffset;
59    
60    /**    /**
61     * Initializes an <code>IIOParam</code> object.     * Initializes an <code>IIOParam</code> object.
62     */     */
63    protected IIOParam()    protected IIOParam()
64    {    {
65        // Do nothing here.
66      }
67    
68      public boolean activateController()
69      {
70        if (controller == null)
71          return false;
72        
73        return controller.activate(this);
74      }
75      
76      public IIOParamController getController()
77      {
78        return controller;
79      }
80    
81      public IIOParamController getDefaultController()
82      {
83        return defaultController;
84      }
85    
86      public Point getDestinationOffset()
87      {
88        return destinationOffset;
89      }
90    
91      public ImageTypeSpecifier getDestinationType()
92      {
93        return destinationType;
94      }
95    
96      public int[] getSourceBands()
97      {
98        return sourceBands;
99      }
100    
101      public Rectangle getSourceRegion()
102      {
103        return sourceRegion;
104      }
105    
106      public int getSourceXSubsampling()
107      {
108        return sourceXSubsampling;
109      }
110      
111      public int getSourceYSubsampling()
112      {
113        return sourceYSubsampling;
114      }
115    
116      public int getSubsamplingXOffset()
117      {
118        return subsamplingXOffset;
119      }
120      
121      public int getSubsamplingYOffset()
122      {
123        return subsamplingYOffset;
124      }
125    
126      public boolean hasController()
127      {
128        return getController() != null;
129      }
130    
131      public void setController(IIOParamController controller)
132      {
133        this.controller = controller;
134      }
135    
136      public void setDestinationOffset(Point destinationOffset)
137      {
138        if (destinationOffset == null)
139          throw new IllegalArgumentException("destinationOffset is null");
140    
141        this.destinationOffset = destinationOffset;
142      }
143    
144      public void setSourceRegion(Rectangle sourceRegion)
145      {
146        if (sourceRegion != null
147            && (sourceRegion.x < 0
148                || sourceRegion.y < 0
149                || sourceRegion.width <= 0
150                || sourceRegion.height <= 0))
151          throw new IllegalArgumentException("illegal source region");
152        
153        // FIXME: Throw IllegalStateException.
154    
155        this.sourceRegion = sourceRegion;
156    }    }
157  }  }

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