openjpeg/applications/jpip/opj_client/opj_viewer/src/ImageManager.java

99 lines
3.2 KiB
Java

/*
* $Id$
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, Professor Benoit Macq
* Copyright (c) 2010-2011, Kaori Hagihara
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import java.awt.Image;
public class ImageManager extends JPIPHttpClient
{
private PnmImage pnmimage;
public ImageManager( String uri)
{
super( uri);
pnmimage = null;
}
public int getOrigWidth(){ return pnmimage.width;}
public int getOrigHeight(){ return pnmimage.height;}
public Image getImage( String j2kfilename, int reqfw, int reqfh)
{
System.err.println();
String refcid = ImgdecClient.query_cid( j2kfilename);
byte[] jptstream;
if( refcid == null)
jptstream = super.requestViewWindow( j2kfilename, reqfw, reqfh, true);
else
jptstream = super.requestViewWindow( reqfw, reqfh, refcid, true);
System.err.println( "decoding to PNM image");
pnmimage = ImgdecClient.decode_jptstream( jptstream, j2kfilename, cid, fw, fh);
System.err.println( " done");
// System.out.println( "fw: " + fw + " fh: " + fh + "pnm w: ");
return pnmimage.createROIImage( rx, ry, rw, rh);
}
public Image getImage( int reqfw, int reqfh, int reqrx, int reqry, int reqrw, int reqrh)
{
System.err.println();
byte[] jptstream = super.requestViewWindow( reqfw, reqfh, reqrx, reqry, reqrw, reqrh);
System.err.println( "decoding to PNM image");
pnmimage = ImgdecClient.decode_jptstream( jptstream, cid, fw, fh);
System.err.println( " done");
return pnmimage.createROIImage( rx, ry, rw, rh);
}
public byte[] getXML()
{
System.err.println();
byte []xmldata = null;
byte[] jptstream = super.requestXML();
if( jptstream != null){
ImgdecClient.send_JPTstream( jptstream);
xmldata = ImgdecClient.get_XMLstream( cid);
}
return xmldata;
}
public void closeChannel()
{
ImgdecClient.destroy_cid( cid);
super.closeChannel();
}
}