CODEWITHSUNDEEP
javaswingicons
mugimugi
mugimugi

Reputation: 446

How to combine static Icon with animated Icon

I have two Icons which one of them has a .gif as an Icon, and the other a .png. So I would like to combine this icons to put the animated one above the other.

This code works with static Icons, but at time to put an animated one, it doesn´t print the animated.

public class Combine implements Icon{

    private final Icon back;
    private final Icon front;

    public Combine(Icon pBack, Icon pFront) {
        this.back= pBack;
        this.front= pFront;
    }

    @Override
    public int getIconHeight() {
        return Math.max(front.getIconHeight(), back.getIconHeight());
    }

    @Override
    public int getIconWidth() {
        return Math.max(front.getIconWidth(), back.getIconWidth());
    }

    @Override
    public void paintIcon(Component arg0, Graphics arg1, int arg2, int arg3) {
        back.paintIcon(arg0, arg1, arg2, arg3);
        front.paintIcon(arg0, arg1, arg2, arg3);
    }

}

I am loading the icons using this:

Icon back = new ImageIcon(Toolkit.getDefaultToolkit().createImage(MyClass.class.getResource(source)));
Icon front = new ImageIcon(Toolkit.getDefaultToolkit().createImage(MyClass.class.getResource(source)));

EDIT:

I want to use the icon for a JButton icon.

Upvotes: 0

Views: 120

Answers (2)

VGR
VGR

Reputation: 44404

You need to tell the animated ImageIcon to notify the JButton whenever a new frame becomes available:

front.setImageObserver(button);

See ImageIcon.setImageObserver for details.

By the way, ImageIcon has a constructor that takes a URL:

ImageIcon back = new ImageIcon(MyClass.class.getResource(backSource));
ImageIcon front = new ImageIcon(MyClass.class.getResource(frontSource));

Upvotes: 1

camickr
camickr

Reputation: 324147

one of them has a .gif as an Icon,

I think you need to use a JLabel to have the animation. That is the JLabel is responsible for repainting the Icon as it animates.

Try just displaying the two Icons in two JLabels:

JLabel front = new JLabel( new ImageIcon(...) );
JLabel back = new JLabel( new ImageIcon(...) );
back.setLayout( new GridBagLayout() );
back.add(front, new GridBagConstraints());

The front icon should be centered on the back icon.

You may also want to check out Compound Icon which is a more flexible version of your class that allows you to combine 2 or more Icons into one.

Upvotes: 1

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