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Java Class File  |  2002-10-18  |  1.0 KB  |  34 lines
  1. import java.awt.Image;
  2.  
  3. public abstract class BannerTransition {
  4.    protected DynamicBanner owner = null;
  5.    protected int pixelsPerImage = 0;
  6.    protected int imageWidth = 0;
  7.    protected int imageHeight = 0;
  8.    public int numOfFrames;
  9.    public int delay;
  10.    public Image[] frames;
  11.    protected int[] workPixels;
  12.  
  13.    public final void clearFrames() {
  14.       for(int i = 0; i < this.numOfFrames; ++i) {
  15.          this.frames[i].flush();
  16.       }
  17.  
  18.       this.numOfFrames = 0;
  19.    }
  20.  
  21.    public abstract void finishInit();
  22.  
  23.    public void initialize(DynamicBanner parent, int componentWidth, int componentHeight) {
  24.       this.owner = parent;
  25.       this.imageWidth = componentWidth;
  26.       this.imageHeight = componentHeight;
  27.       this.pixelsPerImage = componentWidth * componentHeight;
  28.       this.frames = new Image[this.numOfFrames];
  29.       this.workPixels = new int[this.pixelsPerImage];
  30.       this.delay = 120;
  31.       this.finishInit();
  32.    }
  33. }
  34.