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image convert

Posted on 2006-11-15
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Last Modified: 2007-01-02
i have a image like pol.jpeg(200x180)
i want this image to pol.jpeg(100x100),
pol.jpeg(100x80),
pol.jpeg(170x120)
 and pol.jpeg(120x120)

is it possible in php?need help  

polash
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Question by:polash_ranjan
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VoteyDisciple earned 300 total points
ID: 17946286
I guess the basic question is: of the 200x180 pixels in the original image, how do you decide which pixels to cut and which to "shrink" to get a 120x120 image?  You can use this function ( http://us3.php.net/manual/en/function.imagecopyresized.php ) to resize an image, but the fact that the sizes you gave use very different proportions means the resulting image (if you just resize it straight from 200x180 to something else) will be stretched funny.  If that's what you're after, it should be trivial to implement.  If not, how does that need to get resolved?
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Assisted Solution

by:Mark Gilbert
Mark Gilbert earned 300 total points
ID: 17947103
Imagemagick is a good alternative to the GD library which enables you to resize/resample/convert images.  The resize option allows you to define a width and height, although it is intellegent enough to maintain aspect ratio.
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