openjpeg/applications/jpip/util/opj_viewer_xerces/src/ImageViewer.java

267 lines
7.1 KiB
Java
Raw Normal View History

/*
* $Id$
*
* 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 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;
2011-10-11 09:24:58 +02:00
public ImageViewer( String j2kfilename, ImageManager manager, boolean session, boolean jppstream, int aux)
{
String str;
2011-10-11 09:24:58 +02:00
MML myMML;
2011-10-11 09:24:58 +02:00
this.setSize( 170, 170);
Dimension asz = this.getSize();
vw = asz.width;
vh = asz.height;
setBackground(Color.black);
myMML = new MML(this);
2011-10-11 09:24:58 +02:00
imgmanager = manager;
2011-10-11 09:24:58 +02:00
img = imgmanager.getImage( j2kfilename, vw, vh, session, aux, jppstream, !jppstream);
addMouseListener(myMML);
addMouseMotionListener(myMML);
2011-10-11 09:24:58 +02:00
addComponentListener( new ResizeListener(this));
}
public Image getImage()
{
return img;
}
public void zoomIn()
{
roirect = null;
roiname = null;
2011-10-11 09:24:58 +02:00
double scalex = (double)vw/(double)rect.width;
double scaley = (double)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_ */
}
}