I want to allow the user to chose an image from his local
The image should then be loaded into the Flex 2 application.
There I wanna show him infos about the image e.g. height and
He should then be able to scale/resize the image and upload
it to the server.
Well in short, you need a second language to support that,
First you'll have to build a GUi in which you can upload the
jpg, putting it to the server using php/asp/cf, then you'll need to
make a call to that image, (importing it into your flex), then
you'll have to set the parameters for the resizing, then you'll
have to call a php/asp/cf script which does te resizing