Retired Document
Important: This sample code may not represent best practices for current development. The project may use deprecated symbols and illustrate technologies and techniques that are no longer recommended.
src/cdf/MultipleImagePainter.java
/* |
* QuickTime for Java SDK Sample Code |
Usage subject to restrictions in SDK License Agreement |
* Copyright: © 1996-1999 Apple Computer, Inc. |
*/ |
package cdf; |
import java.awt.*; |
import quicktime.app.image.*; |
class MultipleImagePainter implements Paintable { |
MultipleImagePainter (Image[] ims) { |
images = ims; |
} |
int width, height; |
Image[] images; |
int loopslot; |
Rectangle[] r = new Rectangle[1]; |
/** |
* Returns the number of images |
*/ |
public int getNumberOfFrames () { return images.length; } |
public void setCurrentFrame (int frame) { |
loopslot = frame; |
if (loopslot < 0) loopslot = 0; |
if (loopslot >= getNumberOfFrames()) loopslot = getNumberOfFrames() - 1; |
} |
/** |
* Sets the current frame - zero based |
*/ |
public Image getCurrentFrame () { |
return images[loopslot]; |
} |
/** |
* The Parent object of the Paintable tell the paintable object the size of its available |
* drawing surface. Any drawing done outside of these bounds (originating at 0,0) will |
* be clipped. |
*/ |
public void newSizeNotified (QTImageDrawer drawer, Dimension d) { |
width = d.width; |
height = d.height; |
r[0] = new Rectangle (width, height); |
} |
/** |
* Paint on the graphics. The supplied component is the component from which |
* the graphics object was derived or related to and is also the component |
* that is the object that paint was called upon that has called this method. |
* The Graphics object is what you should paint on. |
* This maybe an on or off screen graphics. |
* You should not cache this graphics object as it can be different |
* between different calls. |
* @param comp the component from which the Graphics object was derived or |
* related too. |
* @param g the graphics to paint on. |
*/ |
public Rectangle[] paint (Graphics g) { |
g.drawImage (getCurrentFrame(), 0, 0, null); |
return r; |
} |
} |
Copyright © 2003 Apple Computer, Inc. All Rights Reserved. Terms of Use | Privacy Policy | Updated: 2003-01-14