Resize Animated Gif Image

yes you can scale the image with help of JAI.

// Create a ParameterBlock and specify the source and

// parameters

ParameterBlock pb = new ParameterBlock();

pb.addSource(im);// The source image

pb.add(1.2F);// The xScale

pb.add(1.2F);// The yScale

pb.add(0.0F);// The x translation

pb.add(0.0F);// The y translation

pb.add(new InterpolationNearest()); // The interpolation

// Create the scale operation

im = JAI.create("scale", pb, null);

for detail visit this

http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/Geom-image-manip.doc.html

~ Prashant

Prashant_SDNa at 2007-7-9 5:50:58 >

// InFile is the path of image

PlanarImage src = loadImage(inFile);

BufferedImage bi = src.getAsBufferedImage();

ParameterBlock pb = new ParameterBlock();

pb.addSource(bi);

pb.add(.50F); // half the x dimension

pb.add(.50F); // half the y dimension

PlanarImage image = JAI.create("scale", pb, null).getRendering();

// now you have image and you can store it whereever you want

// Load the source image.

private PlanarImage loadImage(String imageName)

{

ParameterBlock pb = (new ParameterBlock()).add(imageName);

PlanarImage src1 = JAI.create("fileload", pb);

if (src1 == null)

{

System.out.println("Error in loading image " + imageName);

System.exit(1);

}

return src1;

}

Prashant_SDNa at 2007-7-9 5:50:58 >

Thank 'Rodney_McKay' for ur reply.

Now im tring to resize it using acme GifEncoder class. Its resize, but not animated :(

my code as follows:

-

Image oldImage = Toolkit.getDefaultToolkit().createImage("E:\\Dog.gif");

Image newImage = oldImage.getScaledInstance(64,64,1);

File outputFile = new File("E:\\DogZ.gif");

FileOutputStream fos = new FileOutputStream(outputFile);

DataOutputStream dos = new DataOutputStream(fos);

GifEncoder gifEn = new GifEncoder(newImage, dos, true);

gifEn.encode();

dos.flush();

dos.close();

System.out.println("Done!");

-

code4livea at 2007-7-9 5:50:58 >

This is the code :

try {

FileOutputStream out = new FileOutputStream("E:\\DogZ.gif");

GifDecoder d = new GifDecoder();

AnimatedGifEncoder e = new AnimatedGifEncoder();

d.read("E:\\Dog.gif");

int n = d.getFrameCount();

int loopCount = d.getLoopCount();

e.setRepeat(loopCount);

e.start(out);

for (int i = 0; i < n; i++) {

BufferedImage frame = d.getFrame(i); // frame i

int t = d.getDelay(i); // display duration of frame in milliseconds

e.setDelay(t);// 1 frame per sec

e.addFrame(frame.getSubimage(0, 0, 64, 46));

}

e.finish();

out.flush();

out.close();

System.out.println("done!");

} catch (Exception e) {

e.printStackTrace();

}

code4livea at 2007-7-9 5:50:58 >