Yeah, hard to be of help without the source ...and you could use Quartz Debug to see what is actually being redrawn. (/Developer/Applications/Graphics Tools)
On 30/07/2010, at 6:37 AM, Michael Dautermann wrote: > On Jul 29, 2010, at 1:26 PM, Tony Romano wrote: > >> I have a document based Cocoa App and I am trying to understand what is >> causing these residual lines to happen. Attached is a link to what I am >> referring to. The solid blue lines are the new lines after they have moved. >> The greyish lines are what's being left behind. >> http://dl.dropbox.com/u/5614061/Screen shot 2010-07-29 at 1.08.36 PM.png. >> Notice they look like borders from the old lines. > > A slightly better encoded version of your URL is > <http://dl.dropbox.com/u/5614061/Screen%20shot%202010-07-29%20at%201.08.36%20PM.png> > > How are you moving your blue lines? Could you try drawing clear color lines > over the original position of the blue lines (i.e. explicitly erasing the > artifacts) before drawing the blue lines in their new position? > > Could you show a bit more code that demonstrates how your drawing is being > done? > > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/gideon%40novamind.com > > This email sent to [email protected] _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
