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