Absolutely brilliant, thanks Kyle - downloading it now... Gideon
On 15/09/2010, at 4:08 AM, Kyle Sluder wrote: > On Tue, Sep 14, 2010 at 10:12 AM, Gideon King <gid...@novamind.com> wrote: >> I have done some performance testing and it appears that I'll need to go the >> route of pure layers for most of it (the animation got a bit jerky with >> 1,000 layer backed views), but I guess I'll be able to factor out the >> drawing code and then when I want to print, just create an offscreen view >> and draw into it and print it. A bit more work, but probably worth it in >> order to access the power of Core Animation. > > We have an addition to Core Animation that mimics the Core Animation > rendering process, walking the layer tree and setting up the correct > CTM so that the same code can be used to render into both the layer's > context or a PDF context for printing. We obviously don't support a > lot of the stuff that Core Animation does, but we support enough to > get a reasonable facsimile that doesn't involve creating a 300-dpi > bitmap using CARenderer. > > The relevant method is -[CALayer(OQExtensions) > renderInContextIgnoringHiddenIgnoringCache:useAnimatedValues:] and is > found in our public OmniQuartz framework on github: > http://github.com/omnigroup/OmniGroup/blob/master/Frameworks/OmniQuartz/CALayer-OQExtensions.m#L489 > > --Kyle Sluder _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) 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 arch...@mail-archive.com
