GIF to JPEG

I made a GIF for a website and it doesn't seem to be able to be turned into a JPEG. I tried turning it into a PSD file first and that didn't work. What am I missing about GIFs?
Thank you,
Tracy

Well, there seems to be certain editing capabilities that are hampered. I can't seem to be able to use a paintbrush (Although the bucket works).
And the cloning tool doesn't function normally. Can't smudge and I guess I haven't gotten to the chapter that talks about RGB color mode. Maybe I'm getting ahead of myself.
Eraser works though.
I thought that a GIF was basically a way to utilize multilayer files online, am I wrong?
Tracy

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HOW DO I CHANGE IT?
Thanks

I have never used Comic Life, so I can't tell you how to do it from there. But you could open it in Preview. Control-click the page in the Finder and choose Open with... set it to Preview. Once in Preview, do a Save As and change the Format there.

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Do you know how the JIMI converts multi-paged TIF files into several JPEG or GIG files? The Jimireader could read only the first page of a TIF file. But I could not get the other pages of the TIF file. The code that I wrote to extract the first page was:
try {
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.... more code to put the image in a call to convert it
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Is it possible to render a graphic object into a GIF or JPEG file and save it in a Java application?
Thanks.
Pradeep Gupta
518-383-1167
[email protected]

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1) Try JAI (http://java.sun.com/products/java-media/jai/) or the Java Image I/O from JDK 1.4.
2) Try PJA (www.eteks.com)
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How can i write the image in gif or jpeg format??

how can i write the image in gif or jpeg format??

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How to save in GIF or JPEG format?

I make a drawing using Graphics objects and now i want to save it to a GIF or JPEG or BMP file.
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Naveen

Hi,
Here is some code that may help.
NOTES: pixels were recieved from a PixelGrabber proccess.
transColor was picked from an image (you can supply your own code its just an int).
blnTrans is a boolean flag indicating that a transparaent color was picked.
dim is the dimensions of the image (any image will do).
import javax.swing.*;
import javax.media.jai.*;
import java.awt.event.*;
import java.awt.*;
import java.awt.image.*;
import java.io.*;
import com.sun.image.codec.jpeg.*;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.codec.ImageEncoder;
import com.sun.media.jai.codec.PNGEncodeParam;
import com.sun.media.jai.codec.BMPEncodeParam;
import com.sun.media.jai.codec.TIFFEncodeParam;
import java.awt.image.*;
import java.awt.color.*;
import Acme.JPM.Encoders.*;
//Some more Code
int fileType = 0;
File file = null;
if (pixels != null)
//create a file save dialog.
//create a File Chooser.
fc = new JFileChooser(););
int returnValue = fc.showSaveDialog(this);
//detemine the choose.
if (returnValue == JFileChooser.APPROVE_OPTION)
file = fc.getSelectedFile();
//get the file ext and translate for switch.
Utils ut = new Utils();
String ext = ut.getExtension(file);
if (ext.equals("gif"))
fileType = 0;
else if (ext.equals("jpg"))
fileType = 1;
else if (ext.equals("png"))
fileType = 2;
else if (ext.equals("tif"))
fileType = 3;
else if (ext.equals("bmp"))
fileType = 4;
switch (fileType)
case 0:
if (blnTrans)
NewImageProducer img = new NewImageProducer(pixels, TransColor, dim);
try
FileOutputStream fos1 = new FileOutputStream(file);
Acme.JPM.Encoders.ImageEncoder e = new GifEncoder(img, fos1);
e.encode();
fos1.close();
catch (java.io.IOException e) {}
else
BufferedImage imb = new BufferedImage((int)dim.getWidth(), (int)dim.getHeight(), BufferedImage.TYPE_INT_RGB);
imb.setRGB(0, 0, (int)dim.getWidth(), (int)dim.getHeight(), pixels, 0, (int)dim.getWidth());
try
FileOutputStream fos2 = new FileOutputStream(file);
Acme.JPM.Encoders.ImageEncoder e = new GifEncoder(imb, fos2);
e.encode();
fos2.close();
catch (java.io.IOException e) {}
catch (Exception er) {}
break;
case 1:
try
BufferedImage bimg = new java.awt.image.BufferedImage((int)dim.getWidth(), (int)dim.getHeight(), BufferedImage.TYPE_INT_RGB);
bimg.setRGB(0, 0, (int)dim.getWidth(), (int)dim.getHeight(), pixels, 0, (int)dim.getWidth());
//Encode as a JPEG
FileOutputStream fos3 = new FileOutputStream(file);
JPEGImageEncoder jpeg = JPEGCodec.createJPEGEncoder(fos3);
jpeg.encode(bimg);
fos3.close();
catch (java.io.IOException e) {}
break;
case 2:
try
BufferedImage bimg = new java.awt.image.BufferedImage((int)dim.getWidth(), (int)dim.getHeight(), BufferedImage.TYPE_INT_RGB);
bimg.setRGB(0, 0, (int)dim.getWidth(), (int)dim.getHeight(), pixels, 0, (int)dim.getWidth());
//Encode as a PNG
FileOutputStream fos3 = new FileOutputStream(file);
PNGEncodeParam pp = PNGEncodeParam.getDefaultEncodeParam(bimg);
ImageEncoder png = ImageCodec.createImageEncoder("PNG", fos3, pp);
png.encode(bimg);
fos3.close();
catch (java.io.IOException e) {}
break;
case 3:
try
BufferedImage bimg = new java.awt.image.BufferedImage((int)dim.getWidth(), (int)dim.getHeight(), BufferedImage.TYPE_4BYTE_ABGR);
bimg.setRGB(0, 0, (int)dim.getWidth(), (int)dim.getHeight(), pixels, 0, (int)dim.getWidth());
//Encode as a TIF
FileOutputStream fos3 = new FileOutputStream(file);
TIFFEncodeParam tp = new TIFFEncodeParam();
ImageEncoder tif = ImageCodec.createImageEncoder("TIFF", fos3, tp);
tif.encode(bimg);
fos3.close();
catch (java.io.IOException e) {}
break;
case 4:
try
BufferedImage bimg = new java.awt.image.BufferedImage((int)dim.getWidth(), (int)dim.getHeight(), BufferedImage.TYPE_3BYTE_BGR);
bimg.setRGB(0, 0, (int)dim.getWidth(), (int)dim.getHeight(), pixels, 0, (int)dim.getWidth());
//Encode as a BMP
FileOutputStream fos3 = new FileOutputStream(file);
BMPEncodeParam bp = new BMPEncodeParam();
ImageEncoder png = ImageCodec.createImageEncoder("BMP", fos3, bp);
png.encode(bimg);
fos3.close();
catch (java.io.IOException e) {}
break;
} //end of switch.
} //end of file option.
//Here is NewImageProducer
import java.awt.image.*;
import java.util.*;
import java.awt.*;
import java.applet.*;
import java.awt.color.*;
class NewImageProducer implements ImageProducer{
private Vector vector = null;
int[] pixels;
int alpha;
Dimension dim;
public NewImageProducer(int[] pixels, int alpha, Dimension dim){
vector = new Vector();
this.pixels = pixels;
this.alpha = alpha;
this.dim = dim;
public void addConsumer(ImageConsumer ic){
if (isConsumer(ic) == false)
vector.addElement(ic);
public void removeConsumer(ImageConsumer ic){
if (isConsumer(ic) == true)
vector.removeElement(ic);
public boolean isConsumer(ImageConsumer ic){
return vector.indexOf(ic) > -1;
public void startProduction(ImageConsumer ic){
addConsumer(ic);
int x = (int)dim.getWidth();
int y = (int)dim.getHeight();
Hashtable ht = new Hashtable();
byte[] r = new byte[pixels.length];
byte[] g = new byte[pixels.length];
byte[] b = new byte[pixels.length];
byte[] a = new byte[pixels.length];
for (int i=0; i<pixels.length; i++)
if (pixels[i] == alpha)
a[i] = (byte)0;
else
a[i] = (byte)255;
for (int i=0; i<pixels.length; i++)
r[i] = (byte)((pixels[i] & 0xFF0000) >> 16);
g[i] = (byte)((pixels[i] & 0x00FF00) >> 8);
b[i] = (byte)(pixels[i] & 0x0000FF);
ColorModel cm=null;
try{
cm = new IndexColorModel(8, pixels.length, r, g, b, a);
catch (Exception e){e.printStackTrace();}
Vector v = (Vector)vector.clone();
Enumeration e = v.elements();
while (e.hasMoreElements()){
ic = (ImageConsumer)e.nextElement();
ic.setColorModel(cm);
ic.setDimensions(x, y);
ic.setProperties(ht);
ic.setHints(ImageConsumer.RANDOMPIXELORDER);
int[] p = new int[pixels.length];
for (int i=0; i<pixels.length; i++)
p[i] = i;
ic.setPixels(0, 0, x, y, cm, p, 0, x);
ic.imageComplete(ImageConsumer.STATICIMAGEDONE);
public void requestTopDownLeftRightResend(
ImageConsumer ic){;
//Here is Utils
import java.io.File;
public class Utils {
public final static String jpeg = "jpeg";
public final static String jpg = "jpg";
public final static String gif = "gif";
public final static String tiff = "tiff";
public final static String tif = "tif";
public final static String png = "png";
public final static String bmp = "bmp";
* Get the extension of a file.
public static String getExtension(File f) {
String ext = null;
String s = f.getName();
int i = s.lastIndexOf('.');
if (i > 0 && i < s.length() - 1) {
ext = s.substring(i+1).toLowerCase();
return ext;
Get the Acme class at:
http://www.acme.com/java/software/Package-Acme.JPM.html

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