On Mon, 21 Jan 2002, Robert Landrum wrote: [...] > >You may want to take a look at Apache::ImageMagick (if you not already > >have). It's let's you create thumbnails very easy (just two parameters > >pic.xxx/scale?geometry=100x100) and ImageMagick supports over 80 different > >formats. It also handles conversion from 4 color pictures to RGB for your > >thumbnails and many other things, if you need them. > > ImageMagick is way too slow for use in a production system. > Especially if your resizing large images into thumbnails. I suggest > sacrificing space for speed and pre-generating all your thumbnails.
I do that too (with Image::Magick). If the pictures are large it takes forever to scale them even with a more efficient lib. > Most of the time libjpeg will do everything you need, including > scaling. I suggestion GD with Jpeg support or Inline.pm/C/libjpeg > for real time conversion of jpegs. libjpeg doesn't (afaik) do sharpening/unsharp mask and the two billion other things that are nice to have if you are trying to get a high quality output. http://photo.netcetera.dk/g/snow|2002/01/01/DSC_0126.jpg;size=me :-) - ask -- ask bjoern hansen, http://ask.netcetera.dk/ !try; do(); more than a billion impressions per week, http://valueclick.com