2014/10/15 下午 10:15:05

iphone Programming Glossary: translationinview

How to get a rotated, zoomed and panned image from an UIImageView at its full resolution?

http://stackoverflow.com/questions/11104042/how-to-get-a-rotated-zoomed-and-panned-image-from-an-uiimageview-at-its-full-re

gestureRecognizer state UIGestureRecognizerStateChanged CGPoint translation gestureRecognizer translationInView piece superview piece setCenter CGPointMake piece center .x translation.x piece center .y translation.y gestureRecognizer..

Drag UIView around Shape Comprised of CGMutablePaths

http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths

case UIGestureRecognizerStateEnded case UIGestureRecognizerStateCancelled CGPoint translation recognizer translationInView self.view desiredHandleCenter_.x translation.x desiredHandleCenter_.y translation.y self moveHandleTowardPoint desiredHandleCenter_..

Drag-n-Drop from UIPopoverController to other UIView

http://stackoverflow.com/questions/3148814/drag-n-drop-from-uipopovercontroller-to-other-uiview

method is called over and over with the gestureRecognizer in the state UIGestureRecognizerStateChanged . Use the translationInView method on UIPanGestureRecognizer to determine how much the user dragged and update the dragged views center frame transform..

Detect horizontal panning in UITableView

http://stackoverflow.com/questions/5426306/detect-horizontal-panning-in-uitableview

UIPanGestureRecognizer recognizer if recognizer.state UIGestureRecognizerStateBegan CGPoint translation recognizer translationInView favoritesTable if sqrt translation.x translation.x sqrt translation.y translation.y 1 horizontalScrolling YES BOOL declared.. UIPanGestureRecognizer gestureRecognizer UIView cell gestureRecognizer view CGPoint translation gestureRecognizer translationInView cell superview Check for horizontal gesture if fabsf translation.x fabsf translation.y return YES return NO The calculation..

How to use UIPanGestureRecognizer to move object? iPhone/iPad

http://stackoverflow.com/questions/6672677/how-to-use-uipangesturerecognizer-to-move-object-iphone-ipad

self.view bringSubviewToFront UIPanGestureRecognizer sender view CGPoint translatedPoint UIPanGestureRecognizer sender translationInView self.view if UIPanGestureRecognizer sender state UIGestureRecognizerStateBegan firstX sender view center .x firstY sender..

How to stop UIPanGestureRecognizer when object moved to certain frame

http://stackoverflow.com/questions/8078780/how-to-stop-uipangesturerecognizer-when-object-moved-to-certain-frame

panRecognizer void move UIPanGestureRecognizer gestureRecognizer CGPoint translatedPoint gestureRecognizer translationInView templatePhotoPlaceholderView if gestureRecognizer state UIGestureRecognizerStateBegan _firstX imageview center .x _firstY..

Making use of velocityInView with UIPanGestureRecognizer

http://stackoverflow.com/questions/9093544/making-use-of-velocityinview-with-uipangesturerecognizer

I have a custom slider type object that I wish to make more usable. Currently I use UIPanGestureRecognizer and translationInView to make it work. It works pretty well but I'd like some sort of velocity in there to make it feel a bit more useful. I've.. intValue int originalLevel if gesture state UIGestureRecognizerStateChanged CGFloat xTranslation gesture translationInView gesture view superview .x CGFloat xVelocity gesture velocityInView gesture view superview .x Pan threshold is currently.. At that point you can use the velocity to calculate an animation duration to move your views. Just stick with translationInView until the state is UIGestureRecognizerStateEnded and then use velocityInView to animate any onscreen view changes. share..