start using API style in openJPIP library

1 files changed, 116 insertions, 0 deletions

diff --git a/applications/jpip/util/opj_viewer/src/ImageManager.java b/applications/jpip/util/opj_viewer/src/ImageManager.java
new file mode 100644
index 00000000..5634123f
--- /dev/null
+++ b/applications/jpip/util/opj_viewer/src/ImageManager.java
@@ -0,0 +1,116 @@
+/*
+ * $Id$
+ *
+ * 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.get_width();}
+    public int getOrigHeight(){ return pnmimage.get_height();}
+    
+    public Image getImage( String j2kfilename, int reqfw, int reqfh, boolean reqcnew, boolean reqJPP, boolean reqJPT)
+    {
+	System.err.println();
+	
+	String refcid = null;
+	byte[] jpipstream;
+	
+	// Todo: check if the cid is for the same stream type
+	if( reqcnew)
+	    refcid = ImgdecClient.query_cid( j2kfilename);	
+	
+	if( refcid == null){
+	    String reftid = ImgdecClient.query_tid( j2kfilename);
+	    if( reftid == null)
+		jpipstream = super.requestViewWindow( j2kfilename, reqfw, reqfh, reqcnew, reqJPP, reqJPT);
+	    else
+		jpipstream = super.requestViewWindow( j2kfilename, reftid, reqfw, reqfh, reqcnew, reqJPP, reqJPT);
+	}
+	else
+	    jpipstream = super.requestViewWindow( reqfw, reqfh, refcid, reqcnew, reqJPP, reqJPT);
+	
+	System.err.println( "decoding to PNM image");
+	if((pnmimage = ImgdecClient.decode_jpipstream( jpipstream, j2kfilename, tid, cid, fw, fh))!=null){
+	    System.err.println( "     done");
+	    return pnmimage.createROIImage( rx, ry, rw, rh);
+	}
+	else{
+	    System.err.println( "     failed");
+	    return null;
+	}
+    }
+    
+    public Image getImage( int reqfw, int reqfh, int reqrx, int reqry, int reqrw, int reqrh)
+    {
+	System.err.println();
+	
+	byte[] jpipstream = super.requestViewWindow( reqfw, reqfh, reqrx, reqry, reqrw, reqrh);
+
+	System.err.println( "decoding to PNM image");
+	if((pnmimage = ImgdecClient.decode_jpipstream( jpipstream, tid, cid, fw, fh)) != null){
+	    System.err.println( "     done");
+	    return pnmimage.createROIImage( rx, ry, rw, rh);
+	}
+	else{
+	    System.err.println( "     failed");
+	    return null;
+	}
+    }
+    
+    public byte[] getXML()
+    {
+	System.err.println();
+	
+	byte []xmldata = null;
+	byte[] jpipstream = super.requestXML();
+	
+	if( jpipstream != null){
+	    ImgdecClient.send_JPIPstream( jpipstream);
+      
+	    xmldata = ImgdecClient.get_XMLstream( cid);    
+	}
+	return xmldata;
+    }
+    public void closeChannel()
+    {
+	if( cid != null){
+	    ImgdecClient.destroy_cid( cid);
+	    super.closeChannel();
+	}
+    }
+}
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