Extensive ScrollDC investigation

[Jeremy White]

Woot!  This fixes a long standing bug in Quickbooks for me
(I can now scroll my report windows without nasty repainting
artifacts).

Cheers,

Jeremy 

> -----Original Message-----
> From: wine-patches-bounces at winehq.org 
> [mailto:wine-patches-bounces at winehq.org] On Behalf Of Aric Stewart
> Sent: Sunday, April 29, 2007 4:53 PM
> To: wine-patches
> Subject: Extensive ScrollDC investigation
> 
> Reworking some parts of ScrollDC to properly mask and scroll 
> the right 
> areas of the DC as well as generate the correct update regions.
> Extensive testing used to verify the behavior.
> ---
>   dlls/user32/tests/win.c   |  316 
> +++++++++++++++++++++++++++++++++++++++++++++
>   dlls/winex11.drv/scroll.c |   64 +++++++++-
>   2 files changed, 377 insertions(+), 3 deletions(-)
>