From 31dba0b4e9be32a5d8e0052e2bf16e7eb4e02534 Mon Sep 17 00:00:00 2001
From: Antonin Descampe <antonin@gmail.com>
Date: Thu, 14 Apr 2011 18:37:47 +0000
Subject: initial commit of OpenJPIP 1.0, a JPIP client-server architecture
 based on OpenJPEG (see README file in jpip directory for more details)

---
 .../opj_client/opj_viewer/src/ImageViewer.java     | 267 +++++++++++++++++++++
 1 file changed, 267 insertions(+)
 create mode 100644 applications/jpip/opj_client/opj_viewer/src/ImageViewer.java

(limited to 'applications/jpip/opj_client/opj_viewer/src/ImageViewer.java')

diff --git a/applications/jpip/opj_client/opj_viewer/src/ImageViewer.java b/applications/jpip/opj_client/opj_viewer/src/ImageViewer.java
new file mode 100644
index 00000000..9fab7f0a
--- /dev/null
+++ b/applications/jpip/opj_client/opj_viewer/src/ImageViewer.java
@@ -0,0 +1,267 @@
+/*
+ * $Id$
+ *
+ * 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.*;
+import java.awt.event.*;
+import javax.swing.*;
+import java.awt.image.*;
+import java.awt.geom.*;
+import java.net.URL;
+import javax.swing.border.*;
+import java.util.*;
+import java.io.*;
+
+public class ImageViewer extends JPanel
+{  
+    private MML myMML;
+    private ResizeListener myRL;
+    private ImageManager imgmanager;
+    private int vw, vh;
+    private int iw, ih;
+    private int selected = 0;
+    private Image img;
+  
+    private String cmdline = new String();
+    private boolean fullRefresh = false;
+    private Point offset = new Point(0,0);
+    private Rectangle rect = new Rectangle();
+    private Rectangle roirect[] = null;
+    private String roiname[] = null;
+      
+    public ImageViewer( String j2kfilename, ImageManager manager)
+    {
+	String str;
+
+	this.setSize( 200, 200);
+	Dimension asz = this.getSize();
+    
+	vw = asz.width;
+	vh = asz.height;
+    
+	setBackground(Color.black);
+	myMML = new MML(this);
+	myRL = new ResizeListener(this);
+
+	imgmanager = manager;
+	img = imgmanager.getImage( j2kfilename, vw, vh);
+
+	addMouseListener(myMML);
+	addMouseMotionListener(myMML);
+	addComponentListener(myRL);
+    }
+
+    public Image getImage()
+    {
+	return img;
+    }
+    
+    public void zoomIn()
+    {
+	roirect = null;
+	roiname = null;
+
+	double scalex = vw/(double)rect.width;
+	double scaley = vh/(double)rect.height;
+    
+	int fw = (int)(imgmanager.getFw()*scalex);
+	int fh = (int)(imgmanager.getFh()*scaley);
+	int rx = (int)((imgmanager.getRx()+rect.x)*scalex);
+	int ry = (int)((imgmanager.getRy()+rect.y)*scaley);
+
+	img = imgmanager.getImage( fw, fh, rx, ry, vw, vh);
+  
+	rect.x = rect.y = rect.width = rect.height = 0;
+        
+	selected = 0;
+	fullRefresh = true;
+	repaint();
+    }
+
+    public void enlarge()
+    {
+	roirect = null;
+	roiname = null;
+
+	Dimension asz = this.getSize();
+    
+	vw = asz.width;
+	vh = asz.height;
+	
+	double scalex = vw/(double)imgmanager.getRw();
+	double scaley = vh/(double)imgmanager.getRh();
+
+	int fw = (int)(imgmanager.getFw()*scalex);
+	int fh = (int)(imgmanager.getFh()*scaley);
+	int rx = (int)(imgmanager.getRx()*scalex);
+	int ry = (int)(imgmanager.getRy()*scaley);
+
+	img = imgmanager.getImage( fw, fh, rx, ry, vw, vh);
+    
+	fullRefresh = true;
+	repaint();
+    }
+
+    public void setSelected(int state)
+    {
+	roirect = null;
+	roiname = null;
+
+	if (state != selected) {
+	    
+	    selected = state;
+	    repaint();
+	}
+    }
+  
+    public boolean isInsideRect(int x, int y)
+    {
+	return rect.contains(x - offset.x, y - offset.y);
+    }
+
+    public void setRGeom(int x1, int y1, int x2, int y2)
+    {
+	rect.x = Math.min(x1,x2) - offset.x;
+	rect.y = Math.min(y1,y2) - offset.y;
+	rect.width = Math.abs(x2-x1);
+	rect.height = Math.abs(y2-y1);
+    }
+    
+    public void annotate( JP2XMLparser.ROIparams roi[])
+    {
+	int numofroi = roi.length;
+
+	roirect = new Rectangle [numofroi];
+	roiname = new String [numofroi];
+	
+	double scale_x = imgmanager.getFw()/(double)imgmanager.getOrigWidth();
+	double scale_y = imgmanager.getFh()/(double)imgmanager.getOrigHeight();
+	int rx = imgmanager.getRx();
+	int ry = imgmanager.getRy();
+	int rw = imgmanager.getRw();
+	int rh = imgmanager.getRh();
+
+	for( int i=0; i<numofroi ; i++){
+	    int x = (int)(roi[i].x*scale_x) - rx;
+	    int y = (int)(roi[i].y*scale_y) - ry;
+	    int w = (int)(roi[i].w*scale_x);
+	    int h = (int)(roi[i].h*scale_y);
+	    if( 0<=x && 0<=y && x+w<=rw && y+h<=rh){ // can be optimized
+		roirect[i] = new Rectangle( x, y, w, h);
+		roiname[i] = new String( roi[i].name);
+	    }
+	    else{
+		roirect[i] = null;
+		roiname[i] = null;
+	    }
+	}
+	repaint();
+    }
+    
+    public boolean hasAnnotation()
+    {
+	if( roirect == null)
+	    return false;
+	else
+	    return true;
+    }
+    
+    public boolean isInsideROIRect(int x, int y)
+    {
+	for( int i=0; i<roirect.length; i++)
+	    if( roirect[i] != null)
+		if( roirect[i].contains(x - offset.x, y - offset.y)){
+		    rect = roirect[i];
+		    return true;
+		}
+	return false;
+    }
+
+    public void paint(Graphics g)
+    {
+	BufferedImage bi;
+	Graphics2D big;
+	Graphics2D g2 = (Graphics2D) g;
+
+	if (fullRefresh) {
+	    g2.clearRect(0, 0, vw, vh);
+	    fullRefresh = false;
+	}
+	g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+			    RenderingHints.VALUE_ANTIALIAS_ON);
+	g2.setRenderingHint(RenderingHints.KEY_RENDERING,
+			    RenderingHints.VALUE_RENDER_QUALITY);
+
+	offset.x = 0;
+	offset.y = 0;
+
+	iw = img.getWidth(this);
+	ih = img.getHeight(this);
+    
+	bi = new BufferedImage( iw, ih, BufferedImage.TYPE_INT_RGB);
+	big = bi.createGraphics();
+    
+	big.drawImage(img, 0, 0, this);
+	big.setPaint(Color.red);
+	if ((rect.width > 0) && (rect.height > 0))
+	    big.draw(rect);
+
+	if( roirect != null){
+	    for( int i=0; i<roirect.length; i++)
+		if( roirect[i] != null){
+		    big.draw( roirect[i]);
+		    big.drawString( roiname[i], roirect[i].x+3, roirect[i].y+roirect[i].height*2/3);
+		}
+	}
+	if (selected == 1)
+	    shadeExt(big, 0, 0, 0, 64);
+	else if (selected == 2) {
+	    shadeExt(big, 0, 0, 0, 255);
+	    selected = 1;
+	}
+	g2.drawImage(bi, offset.x, offset.y, this);
+    }
+
+    private void shadeRect(Graphics2D g2, int r, int g, int b, int a)
+    {
+	g2.setPaint(new Color(r, g, b, a));
+	g2.fillRect(rect.x + 1, rect.y + 1, rect.width - 1, rect.height - 1);
+    }
+  
+    private void shadeExt(Graphics2D g2, int r, int g, int b, int a)
+    {
+	g2.setPaint(new Color(r, g, b, a));
+	g2.fillRect(0, 0, iw, rect.y); /* _N_ */
+	g2.fillRect(rect.x + rect.width + 1, rect.y,
+		    iw - rect.x - rect.width - 1, rect.height + 1); /* E */
+	g2.fillRect(0, rect.y, rect.x, rect.height + 1); /* W */
+	g2.fillRect(0, rect.y + rect.height + 1,
+		    iw, ih - rect.y - rect.height - 1); /* _S_ */
+    }
+}
-- 
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