Extracting jpg from animated gifs

[Maz]

Hi There

I have a problem

I have an animted gif, where i want to extract a jpg from
so i access the gif , and handle each frame as a BufferedImage
so far so good, that works

but if i try to create a jpg from a certain buffered Image
i get a jpg that has completly corrupted colors
It looks very reddish, like there would have been a filter applies to it!

Can anyone help me and tell me where the problem is?:confused:

best wishes
maz

[David M.]

If you wanted to you could just use the animated gif itself in your program. You don't need to convert it to another file type.

[DarrylBurke]

Zombie alert

db

[ozzyman]

but if i try to create a jpg from a certain buffered Image
i get a jpg that has completly corrupted colors
It looks very reddish, like there would have been a filter applies to it!

You can't load all of an animated gif into a buffered image as BufferedImage only supports static images.

If you actually want to get at the pixel data of the images, then you will need to get the image reader for gif e.g.

ImageIO.getImageReadersBySuffix("gif").next()

Then use setInput on it with an ImageInputStream e.g.

imageReader.setInput(ImageIO.createImageInputStream(file))

Then use readAll to get an iterator of all the frames:

for (IIOImage image : imageReader.readAll(null)) {
    ...
}

And finally use getRenderedImage on the IIOImage to get the BufferedImage for that frame.