| 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 | |
| 58 | public ImageReadParam() |
| 59 | { |
| 60 | } |
| 61 | |
| 62 | public boolean canSetSourceRenderSize() |
| 63 | { |
| 64 | return canSetSourceRenderSize; |
| 65 | } |
| 66 | |
| 67 | public BufferedImage getDestination() |
| 68 | { |
| 69 | return destination; |
| 70 | } |
| 71 | |
| 72 | public int[] getDestinationBands() |
| 73 | { |
| 74 | return destinationBands; |
| 75 | } |
| 76 | |
| 77 | public int getSourceMaxProgressivePass() |
| 78 | { |
| 79 | if (getSourceNumProgressivePasses() == Integer.MAX_VALUE) |
| 80 | return Integer.MAX_VALUE; |
| 81 | |
| 82 | return getSourceMinProgressivePass() + getSourceNumProgressivePasses() - 1; |
| 83 | } |
| 84 | |
| 85 | public int getSourceMinProgressivePass() |
| 86 | { |
| 87 | return minProgressivePass; |
| 88 | } |
| 89 | |
| 90 | public int getSourceNumProgressivePasses() |
| 91 | { |
| 92 | return numProgressivePasses; |
| 93 | } |
| 94 | |
| 95 | public Dimension getSourceRenderSize() |
| 96 | { |
| 97 | return sourceRenderSize; |
| 98 | } |
| 99 | |
| 100 | public void setDestination(BufferedImage destination) |
| 101 | { |
| 102 | this.destination = destination; |
| 103 | } |
| 104 | |
| 105 | public void setDestinationBands(int[] destinationBands) |
| 106 | { |
| 107 | this.destinationBands = destinationBands; |
| 108 | } |
| 109 | |
| 110 | public void setSourceProgressivePasses(int minPass, int numPasses) |
| 111 | { |
| 112 | this.minProgressivePass = minPass; |
| 113 | this.numProgressivePasses = numPasses; |
| 114 | } |
| 115 | |
| 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 | } |