Ah!, perfect! We wll be using that one, instead.
Carlos. El lun, 21-01-2008 a las 19:25 -0600, Jonathan Pobst escribió: > I just added a public property called Hwnd.GraphicsContext that is a > cached Graphics we keep around for measuring and such. If you don't > need a specific Graphics, you can just use this one. > > Jon > > > Carlos Alberto Cortez wrote: > > Hey Chris, > > > > Attached is an updated patch that basically incorporates all the things > > you mentioned in your last mail: > > > > * Determines the visible rectangle, and intersects it with the required > > area (this is, we copy only the visible area). > > - First by determining the visible area based on its size and its > > parents. > > - Second, by looking for toplevel windows that intersect the window, > > and excluding that area. > > > > * Then compute the destination rectangle, by applying the > > XAmount/YAmount values and intersecting it with the area passed to > > ScrollWindow (thus we clip it as needed). This is the way Gdk does it. > > > > * Finally, exclude the destination rectangle from the total requested > > area, and pass it to AddExpose method. > > > > With this patch everyting is working as expected, but I have some > > issues: > > > > * Region needs a Graphics instance to return its Bounds, which *could* > > be expensive. > > * After taking a look at the way scrolling is done in Gdk, it *seems* > > that the Region implementation lack some of the functionality we need > > (like, returning in a simple operation the Rectangles describing the > > region). > > > > Comments? > > > > Carlos. > > > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > Mono-winforms-list maillist - [email protected] > > http://lists.ximian.com/mailman/listinfo/mono-winforms-list > _______________________________________________ Mono-winforms-list maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-winforms-list
