1 /* ImageReadParam.java --
2    Copyright (C) 2004  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., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 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 javax.imageio;
40 
41 import java.awt.Dimension;
42 import java.awt.image.BufferedImage;
43 
44 /**
45  * DOCUMENT ME
46  *
47  * @author Michel Koch (konqueror@gmx.de)
48  */
49 public class ImageReadParam extends IIOParam
50 {
51   protected boolean canSetSourceRenderSize;
52   protected BufferedImage destination;
53   protected int[] destinationBands;
54   protected int minProgressivePass;
55   protected int numProgressivePasses = Integer.MAX_VALUE;
56   protected Dimension sourceRenderSize;
57 
ImageReadParam()58   public ImageReadParam()
59   {
60   }
61 
canSetSourceRenderSize()62   public boolean canSetSourceRenderSize()
63   {
64     return canSetSourceRenderSize;
65   }
66 
getDestination()67   public BufferedImage getDestination()
68   {
69     return destination;
70   }
71 
getDestinationBands()72   public int[] getDestinationBands()
73   {
74     return destinationBands;
75   }
76 
getSourceMaxProgressivePass()77   public int getSourceMaxProgressivePass()
78   {
79     if (getSourceNumProgressivePasses() == Integer.MAX_VALUE)
80       return Integer.MAX_VALUE;
81 
82     return getSourceMinProgressivePass() + getSourceNumProgressivePasses() - 1;
83   }
84 
getSourceMinProgressivePass()85   public int getSourceMinProgressivePass()
86   {
87     return minProgressivePass;
88   }
89 
getSourceNumProgressivePasses()90   public int getSourceNumProgressivePasses()
91   {
92     return numProgressivePasses;
93   }
94 
getSourceRenderSize()95   public Dimension getSourceRenderSize()
96   {
97     return sourceRenderSize;
98   }
99 
setDestination(BufferedImage destination)100   public void setDestination(BufferedImage destination)
101   {
102     this.destination = destination;
103   }
104 
setDestinationBands(int[] destinationBands)105   public void setDestinationBands(int[] destinationBands)
106   {
107     this.destinationBands = destinationBands;
108   }
109 
setSourceProgressivePasses(int minPass, int numPasses)110   public void setSourceProgressivePasses(int minPass, int numPasses)
111   {
112     this.minProgressivePass = minPass;
113     this.numProgressivePasses = numPasses;
114   }
115 
setSourceRenderSize(Dimension size)116   public void setSourceRenderSize(Dimension size)
117     throws UnsupportedOperationException
118   {
119     if (! canSetSourceRenderSize())
120       throw new UnsupportedOperationException
121         ("setting source render size not supported");
122 
123     if (size.width <= 0 || size.height <= 0)
124       throw new IllegalArgumentException("negative dimension not allowed");
125 
126     sourceRenderSize = size;
127   }
128 }
129