001 /* ImageReadParam.java -- 002 Copyright (C) 2004 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package javax.imageio; 040 041 import java.awt.Dimension; 042 import java.awt.image.BufferedImage; 043 044 /** 045 * DOCUMENT ME 046 * 047 * @author Michel Koch (konqueror@gmx.de) 048 */ 049 public class ImageReadParam extends IIOParam 050 { 051 protected boolean canSetSourceRenderSize; 052 protected BufferedImage destination; 053 protected int[] destinationBands; 054 protected int minProgressivePass; 055 protected int numProgressivePasses = Integer.MAX_VALUE; 056 protected Dimension sourceRenderSize; 057 058 public ImageReadParam() 059 { 060 } 061 062 public boolean canSetSourceRenderSize() 063 { 064 return canSetSourceRenderSize; 065 } 066 067 public BufferedImage getDestination() 068 { 069 return destination; 070 } 071 072 public int[] getDestinationBands() 073 { 074 return destinationBands; 075 } 076 077 public int getSourceMaxProgressivePass() 078 { 079 if (getSourceNumProgressivePasses() == Integer.MAX_VALUE) 080 return Integer.MAX_VALUE; 081 082 return getSourceMinProgressivePass() + getSourceNumProgressivePasses() - 1; 083 } 084 085 public int getSourceMinProgressivePass() 086 { 087 return minProgressivePass; 088 } 089 090 public int getSourceNumProgressivePasses() 091 { 092 return numProgressivePasses; 093 } 094 095 public Dimension getSourceRenderSize() 096 { 097 return sourceRenderSize; 098 } 099 100 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 }