Hi Anthony, I scaled the image using method "scale" of class "Image" from within a C++ program. I did not scaled using any command on command line.
Regards, Prashant S On Wed, 2006-06-07 at 15:03, Anthony Thyssen wrote: > Prashant Saxena on wrote... > | Hello, > | I have an image (gif file) having geometry 36x36. > | I scaled this image to 18x18. When I viewed the scaled file in browser the > image appeard to be smaller as expected. But the number of bytes (as shown by > ls -l command) increased for the new scaled down file. How is this possible? > | > | Following are outputs of unix "file" and "ls -l" command on both files. > | > | ls -l in.gif > | -rw-rw-r-- 1 prashant users 868 Jun 7 14:15 in.gif > | > | file in.gif > | in.gif: GIF image data, version 89a, 36 x 36 > | > | > | ls -l out.gif > | -rw-rw-r-- 1 prashant users 1078 Jun 7 14:15 out.gif > | > | file out.gif > | out.gif: GIF image data, version 89a, 18 x 18 > | > | You can notice that size (on disk) of original file is 868 bytes but that > of new scaled down file is 1078 bytes. This seems confusing to me. > | > > You did not mention the actual IM command used! > > More than likely your actual image is 36x36 but it is on a larger > canvas. > > Check what identify reports for that image! > > It will probably look something like.... > crop.gif GIF 40x30 70x46+10+10 PseudoClass 256c 2.1kb > > This image is 40x30, but is on a later 70x46 canvas! > Resize reszies a canvas, NOT the image. > > To fix try... > convert in.gif +repage -scale 18x18 out.gif > > > > Anthony Thyssen ( System Programmer ) <[EMAIL PROTECTED]> > ----------------------------------------------------------------------------- > DISCLAIMER - These opoi^H^H "damn", ^H, [esc :q :qq !q "shit!" :Q! "Whaddya > mean, Not an editor command?" :wq! ^C^C^C !STOP ^bye ^quit :quit! !halt ... > ^w^q :!w :wq! ^D :qq!! ^STOP [HALT! HALT!!! "Why's it doing this?" :stopit! > :wwqq!! ^Z ^L ^ESC STOP :bye bye bye! "Hey, what's this red button d..." > ----------------------------------------------------------------------------- > Anthony's Home is his Castle http://www.cit.gu.edu.au/~anthony/ > _______________________________________________ > Magick-users mailing list > [email protected] > http://studio.imagemagick.org/mailman/listinfo/magick-users > _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
