001/* ImageReadParam.java -- 002 Copyright (C) 2004 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.imageio; 040 041import java.awt.Dimension; 042import java.awt.image.BufferedImage; 043 044/** 045 * DOCUMENT ME 046 * 047 * @author Michel Koch (konqueror@gmx.de) 048 */ 049public 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}