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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 JApplet
{
private class zoomLevel {
int x1, y1, x2, y2, zf;
zoomLevel() {}
zoomLevel(zoomLevel zl)
{
x1 = zl.x1;
y1 = zl.y1;
x2 = zl.x2;
y2 = zl.y2;
zf = zl.zf;
}
}
private BufferedImage bi;
private Graphics2D big;
private MML myMML;
private int iw, ih;
private int selected = 0, imgId;
private Image img;
private PgmImage pgm = new PgmImage();
private String cmdline = new String();
private static String hostname;
private static boolean isApplet = true;
private boolean fullRefresh = false;
private Point offset = new Point(0,0);
private zoomLevel zl = new zoomLevel();
private Rectangle rect = new Rectangle();
private Stack zoomStack = new Stack();
private static String j2kfilename;
public int getX() { return offset.x; }
public int getY() { return offset.y; }
public int getWidth() { return iw; }
public int getHeight() { return ih; }
public void destroy()
{
}
public void zoomIn()
{
Dimension asz = this.getSize();
int maxzf = 3;
int coef = 1;
int r;
cmdline =
"/bin/sh get.sh " + j2kfilename + " " + iw
+ " " + ih + " " + rect.x + " " + rect.y + " "
+ rect.width + " " + rect.height;
Exec.execPrint(cmdline);
rect.x = rect.y = rect.width = rect.height = 0;
img = pgm.open("out.pgm");
iw = img.getWidth(this);
ih = img.getHeight(this);
bi = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB);
big = bi.createGraphics();
selected = 0;
fullRefresh = true;
repaint();
}
public void zoomOut()
{
}
public void init()
{
String str;
int port;
imgId = 4;
if (isApplet && (((hostname = this.getParameter("hostname")) == null)
|| hostname.equals("")))
hostname = "localhost";
if (!isApplet || ((str = this.getParameter("cmdPort")) == null)) {
port = 3000;
} else {
port = new Integer(str).intValue();
}
this.setSize(512, 512);
Dimension asz = this.getSize();
zl.x2 = asz.width;
zl.y2 = asz.height;
cmdline =
"/bin/sh get.sh " + j2kfilename + " " + asz.width
+ " " + asz.height + " " + zl.x1 + " " + zl.y1 + " "
+ zl.x2 + " " + zl.y2;
Exec.execPrint(cmdline);
img = pgm.open("out.pgm");
iw = img.getWidth(this);
ih = img.getHeight(this);
setBackground(Color.black);
bi = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB);
big = bi.createGraphics();
myMML = new MML(this);
addMouseListener(myMML);
addMouseMotionListener(myMML);
}
public void setSelected(int state)
{
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 paint(Graphics g)
{
Graphics2D g2 = (Graphics2D) g;
Dimension asz = this.getSize();
if (fullRefresh) {
g2.clearRect(0, 0, asz.width, asz.height);
fullRefresh = false;
}
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
big.setColor(Color.black);
offset.x = (int) (asz.width - iw) / 2;
offset.y = (int) (asz.height - ih) / 2;
big.drawImage(img, 0, 0, this);
big.setPaint(Color.red);
if ((rect.width > 0) && (rect.height > 0))
big.draw(rect);
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_ */
}
protected URL getURL(String filename)
{
URL codeBase = this.getCodeBase();
URL url = null;
try {
url = new URL(codeBase, filename);
} catch (java.net.MalformedURLException e) {
System.out.println("Couldn't create image: badly specified URL");
return null;
}
return url;
}
public static void main(String s[])
{
if (s.length > 0)
j2kfilename = s[0];
else
j2kfilename = "girl";
System.out.println(j2kfilename);
isApplet = false;
JFrame f = new JFrame("ImageViewer");
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {System.exit(0);}
});
JApplet applet = new ImageViewer();
f.getContentPane().add("Center", applet);
applet.init();
f.pack();
f.setSize(new Dimension(550,550));
f.show();
}
}
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