Пример #1
0
  public Gif(PApplet parent, String filename) {
    // this creates a fake image so that the first time this
    // attempts to draw, something happens that's not an exception
    super(1, 1, ARGB);

    this.parent = parent;

    // create the GifDecoder
    GifDecoder gifDecoder = createDecoder(parent, filename);

    // fill up the PImage and the delay arrays
    frames = extractFrames(gifDecoder);
    delays = extractDelays(gifDecoder);

    // get the GIFs repeat count
    repeatSetting = gifDecoder.getLoopCount();

    // re-init our PImage with the new size
    super.init(frames[0].width, frames[0].height, ARGB);
    jump(0);
    parent.registerMethod("dispose", this);

    // and now, make the magic happen
    runner = new Thread(this);
    runner.start();
  }
Пример #2
0
 /*
  * creates an int-array of frame delays in the gifDecoder object
  */
 private static int[] extractDelays(GifDecoder gifDecoder) {
   int n = gifDecoder.getFrameCount();
   int[] delays = new int[n];
   for (int i = 0; i < n; i++) {
     delays[i] = gifDecoder.getDelay(i); // display duration of frame in
     // milliseconds
   }
   return delays;
 }
Пример #3
0
  /*
   * creates a PImage-array of gif frames in a GifDecoder object
   */
  private static PImage[] extractFrames(GifDecoder gifDecoder) {
    int n = gifDecoder.getFrameCount();

    PImage[] frames = new PImage[n];

    for (int i = 0; i < n; i++) {
      BufferedImage frame = gifDecoder.getFrame(i);
      frames[i] = new PImage(frame.getWidth(), frame.getHeight(), ARGB);
      System.arraycopy(
          frame.getRGB(0, 0, frame.getWidth(), frame.getHeight(), null, 0, frame.getWidth()),
          0,
          frames[i].pixels,
          0,
          frame.getWidth() * frame.getHeight());
    }
    return frames;
  }
Пример #4
0
 /*
  * creates a GifDecoder object and loads a gif file
  */
 private static GifDecoder createDecoder(PApplet parent, String filename) {
   GifDecoder gifDecoder = new GifDecoder();
   gifDecoder.read(createInputStream(parent, filename));
   return gifDecoder;
 }