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  Convert a JPEG file in to BMP(BitMap)  (Read 1574 times)
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Offline vinodpatel

Senior Newbie





« Posted 2007-04-12 07:23:34 »



Dear All,

           I have a problem of converting a JPEG file in to BMP file. I have a array of bytes created from JPEG file. I mean whole file bytes are readed in to array. Know i want to convert that array in to bitmap (BMP) file.

Thanks In Advance.
Offline emzic

Senior Devvie





« Reply #1 - Posted 2007-04-12 08:53:11 »

i recommend using the ImageIO functions for that.

import javax.imageio.ImageIO.read( ... );

import javax.imageio.ImageIO.write( ... );
Offline vinodpatel

Senior Newbie





« Reply #2 - Posted 2007-04-12 09:40:45 »

 Thanks,

            I have tried using same but whatever i am getting is different from my existing c++ code. I have existing c++ library that decompress JPEG data. Know i want to convert it in to java.
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Offline Saxer

Junior Devvie





« Reply #3 - Posted 2007-04-13 09:29:53 »

By using the IMageIO-API you can get BufferedImages... Those images have a raster with all the sample data your c/c++ lib would have decoded. You shouldn't have to write a decode-lib by your own or even port one to java cause there are so much good ones out there.
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