On Aug 19, 2013, at 17:25 , Roland King <[email protected]> wrote: > > On 20 Aug, 2013, at 8:03 AM, Rick Mann <[email protected]> wrote: > >> I'm drawing a couple of arcs and then calling ClosePath() to close up the >> shape I drew. This works great. But then I repeat the process in a different >> place, and stroke the whole thing. Unfortunately, Core Graphics adds a line >> from the last point in the closed path to the first point of the new arc I >> add. From my reading of the docs, this line shouldn't happen. >> >> "After closing the subpath, your application can begin a new subpath without >> first calling CGContextMoveToPoint. In this case, a new subpath is >> implicitly created with a starting and current point equal to the previous >> subpath’s starting point." >> > > From my reading that's exactly what should happen. You close the subpath then > you implicitly start one because you didn't call CGContextMoveToPoint() when > you add the next arc, that path starts from the original starting point of > the old subpath (which is functionally exactly the same as the endpoint). So > the new subpath starts with a line to the start of your new arc from the > start of the previous path. If you don't want that, do the move. > > There's a difference between a context with no path at all and a context > which already contains subpaths, closed or not.
Oh, I think you're right. Pity. It makes working with arcs a real pain. I have to compute the arc's starting point and move to it. Unless I'm missing something? -- Rick _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
