[wp-hackers] avoiding of using phpThumb / timThumb

[Konrad Karpieszuk]

hello

on site which i create now, i will have many areas with photos and
those photos must be rescaled befor displaying. normally to do this i
use phpThumb with ?w=100&h=200 etc.

Is there any other way to do this using wordpress core functions?

I thought to use  add_image_size to automatically rescale image when
is uploaded. but if i choose this way, i am affraid that this will not
work. i should register tens of image sizes. when smb will upload
photo i can expect that when wordpress will save this image with
rescaled many variants in one moment php will exceed memory limit.

is there any function which i can use in way like phpThumb? this
should rescale image (with crop option) but before this check if
already rescaled version exists

-- 
(en) regards / (pl) pozdrawiam
Konrad Karpieszuk