progress bar

[Robert Brenstein]

On 05.01.2010 at 21:09 Uhr +0100 Jacques Hausser apparently wrote:
>Hi,
>
>I have a stack loading and rescaling big pictures (12 megapixels or 
>more) by setting their filename and then their size. The user can 
>choose their resizequality, and with "best" the process is rather 
>slow, the final size being as big as possible. My question: how to 
>link an "honest"  progress bar to this process ? It's only one line 
>of code: set the rect of image "X" to..., and I do not see where to 
>check the actual progress.
>
>Thank you for every idea
>
>Jacques
>

You can't have the engine call your progress stack, so all you can do 
is to put up a small dialog window with something like 
"Rescaling...", call set the rect of image "X" to..., then close the 
dialog window. Set a cursor to watch as well.

Robert