Legacy ImageMagick Discussions Archive

finally,
i solve this problem,
the reason is , i install libjpeg62-dev wrong...
this my step, to solve problem:
1. apt-get remove libjpeg62-dev
2. apt-get remove libjpeg62
3. apt-get install libjpeg62-dev
4. then
reconfigure, make , make install IM...

in command, like: convert aa.jpg -strip bb.jpg,
the aa.jpg's metadata will be deleted...
in cpp code, in which way, how can i implement this efforts...

anybody can help me?

in command, use -strip, can remove image's verbose
but c++ code,
how can i do?

any body knows?
hlp...

/usr/local/lib/libMagickCore.so.4: undefined reference to `jpeg_simple_progression@LIBJPEG_6.2' /usr/local/lib/libMagickCore.so.4: undefined reference to `jpeg_finish_compress@LIBJPEG_6.2' /usr/local/lib/libMagickCore.so.4: undefined reference to `jpeg_write_scanlines@LIBJPEG_6.2' /usr/local/lib ...

if you are on Q16 IM, try adding -depth 8 to your command. IM is not good at optimizing PNG, but your PNG quality is not set right. See http://www.imagemagick.org/Usage/formats/#png_quality. Also IM is not really good at optimizing PNG so you should try one of the third party optimizers. see http ...

i have a png format picture, but it seems too big for me, i wanna compress it ... how can i do ... command line... convert "png.png" -strip -units PixelsPerInch -density 96 -quality 60 "png2.png" this command can't compress the picture, the worse is: the size will be greater... :cry: http://my ...