thanks Janak,
that works really well.
chris
Janak Mulani wrote:
Hi Chris,
The snippet below shows an example of how to extend an icon to add a method
for scaling.
what i need to
extend to overide the printing functions so it rescales it as it prints.
Can you please explain what you mean by "printing functions"?
Thanks and regards,
Janak
-----------------------------------------
Janak Mulani
email: [EMAIL PROTECTED]
url: http://www.canoo.com
Beyond AJAX - Java Rich Internet Applications
http://www.canoo.com/ulc
-----------------------------------------
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:ulc-developer-
[EMAIL PROTECTED] On Behalf Of chris idr
Sent: Friday, January 11, 2008 7:31 PM
To: [email protected]
Subject: [ULC-developer] ULCIcon resizing
i need to resize the ULCIcon via extending it,
as i need to add it to every seperate icon instance in a field, ie,
rollover/ noraml/ selected/ rolloverSelected etc etc
so can someone please tell me how i extend a ULCIcon and what i need to
extend to overide the printing functions so it rescales it as it prints.
thanks
chris
import com.ulcjava.base.application.AbstractApplication;
import com.ulcjava.base.application.ClientContext;
import com.ulcjava.base.application.ULCBoxPane;
import com.ulcjava.base.application.ULCButton;
import com.ulcjava.base.application.ULCFrame;
import com.ulcjava.base.application.ULCLabel;
import com.ulcjava.base.application.event.ActionEvent;
import com.ulcjava.base.application.event.IActionListener;
import com.ulcjava.base.application.util.ULCIcon;
import com.ulcjava.base.client.ClientEnvironmentAdapter;
import com.ulcjava.base.client.UIIcon;
import com.ulcjava.base.development.DevelopmentRunner;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.net.URL;
public class ULCIconExtensionSnippet extends AbstractApplication {
private ULCLabel fLabel1;
private ULCLabel fLabel2;
private ULCLabel fLabel3;
private ULCLabel fLabel4;
public void start() {
fLabel1 = new ULCLabel("Label");
fLabel2 = new ULCLabel("Label");
final ULCMyIcon icon1 = new
ULCMyIcon(ULCIconExtensionSnippet.class.getResource("/flag_red.gif"));
final ULCMyIcon icon2 = new
ULCMyIcon(ULCIconExtensionSnippet.class.getResource("/flag_red.gif"));
fLabel1.setIcon(icon1);
fLabel2.setIcon(icon2);
ULCButton button = new ULCButton("Scale");
button.addActionListener(new IActionListener() {
public void actionPerformed(ActionEvent event) {
icon2.scale(20, 20);
fLabel2.repaint();
}
});
ULCBoxPane pane = new ULCBoxPane(true);
pane.add(ULCBoxPane.BOX_EXPAND_CENTER, fLabel1);
pane.add(ULCBoxPane.BOX_EXPAND_CENTER, fLabel2);
pane.add(ULCBoxPane.BOX_CENTER_CENTER, button);
ULCFrame frame = new ULCFrame();
frame.add(pane);
frame.setSize(300, 300);
frame.setDefaultCloseOperation(ULCFrame.TERMINATE_ON_CLOSE);
frame.setVisible(true);
}
public static void main(String[] args) {
DevelopmentRunner.setApplicationClass(ULCIconExtensionSnippet.class);
DevelopmentRunner.run();
}
public static class ULCMyIcon extends ULCIcon {
public ULCMyIcon(URL location) {
super(location);
}
protected String typeString() {
return UIMyIcon.class.getName();
}
public void scale(int w, int h) {
invokeUI("scale", new Object[] { new Integer(w), new Integer(h)
});
}
}
public static class UIMyIcon extends UIIcon {
public void scale(int w, int h) {
Image image = (Image)getBasicIcon().getImage();
Image scaledImage = image.getScaledInstance(w, h,
Image.SCALE_DEFAULT);
getBasicIcon().setImage(scaledImage);
}
}
}
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