Your question in the subject makes little sense. CGImageSource is a means to create CGImages. Quick Look likely uses both therefore.
Ultimately, you need to test different image loading routes to see which suits your needs. CGImageSourceCreateImageAtIndex Generates full-size images as fast as it can QLThumbnailImageCreate Generates thumbnails Might have the thumbnail already cached for speed Is going to spend a little time in cross-process communication Logs warnings if used on the main thread in my experience Can handle any file type, not just images CGImageSourceCreateThumbnailAtIndex Generates thumbnails Very fast On 7 Sep 2012, at 10:21, Oleg Krupnov <oleg.krup...@gmail.com> wrote: > And what is the fastest method for image loading, > QLThumbnailImageCreate or CGImageSourceCreateImageAtIndex? > > Thanks! > _______________________________________________ > > 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: > https://lists.apple.com/mailman/options/cocoa-dev/cocoadev%40mikeabdullah.net > > This email sent to cocoa...@mikeabdullah.net _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com