2014/10/15 下午 10:15:17

iphone Programming Glossary: uigesturerecognizerstatechanged

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 if gestureRecognizer state UIGestureRecognizerStateBegan gestureRecognizer state UIGestureRecognizerStateChanged gestureRecognizer view .transform CGAffineTransformRotate gestureRecognizer view transform gestureRecognizer rotation gestureRecognizer.. gestureRecognizer if gestureRecognizer state UIGestureRecognizerStateBegan gestureRecognizer state UIGestureRecognizerStateChanged gestureRecognizer view .transform CGAffineTransformScale gestureRecognizer view transform gestureRecognizer scale gestureRecognizer.. points or center point of the UIView if gestureRecognizer state UIGestureRecognizerStateBegan gestureRecognizer state UIGestureRecognizerStateChanged CGPoint translation gestureRecognizer translationInView piece superview piece setCenter CGPointMake piece center .x translation.x..

Drag UIView around Shape Comprised of CGMutablePaths

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

the desired location based on the drag and then slide the handle along the path toward the new desired location case UIGestureRecognizerStateChanged case UIGestureRecognizerStateEnded case UIGestureRecognizerStateCancelled CGPoint translation recognizer translationInView..

Drag-n-Drop from UIPopoverController to other UIView

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

its view. As the user draggs your action 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..

UIImageView Gestures (Zoom, Rotate) Question

http://stackoverflow.com/questions/3448614/uiimageview-gestures-zoom-rotate-question

cocos2d-iOS - Gesture recognisers

http://stackoverflow.com/questions/4985917/cocos2d-ios-gesture-recognisers

p recognizer locationInView CCDirector sharedDirector .openGLView do something when the pan begins break case UIGestureRecognizerStateChanged p recognizer locationInView CCDirector sharedDirector .openGLView do something while the pan is in progress break case..

How to draw graphics in iphone gesture?

http://stackoverflow.com/questions/6173685/how-to-draw-graphics-in-iphone-gesture

CGContextAddRect context CGRectMake 30.0 30.0 60.0 60.0 CGContextStrokePath context else if gR state UIGestureRecognizerStateChanged CGPoint location2 gR locationInView self panIndicator.frame self.bounds panIndicator.startPoint location panIndicator.endPoint..

Using UIPinchGestureRecognizer to scale uiviews in single direction

http://stackoverflow.com/questions/6759028/using-uipinchgesturerecognizer-to-scale-uiviews-in-single-direction

locationInView piece else if gestureRecognizer state UIGestureRecognizerStateBegan gestureRecognizer state UIGestureRecognizerStateChanged NSLog @ inside else CGPoint currentTouchLocation gestureRecognizer locationInView piece NSLog @ currentTouchLocation @ and.. yourViewHere hScale 1 vScale 1 else if gestureRecognizer state UIGestureRecognizerStateBegan gestureRecognizer state UIGestureRecognizerStateChanged CGPoint currentTouchLocation gestureRecognize locationInView yourViewHere CGPoint deltaMove CGPointDistance currentTouchLocation.. locationInView yourViewHere else if gestureRecognizer state UIGestureRecognizerStateBegan gestureRecognizer state UIGestureRecognizerStateChanged CGPoint currentTouchLocation gestureRecognize locationInView yourViewHere CGPoint deltaMove CGPointDistance currentTouchLocation..

iOS Pinch Scale and Two Finger Rotate at same time

http://stackoverflow.com/questions/8108768/ios-pinch-scale-and-two-finger-rotate-at-same-time

rotate.state case UIGestureRecognizerStateBegan selectedImage.referenceTransform selectedImage.transform break case UIGestureRecognizerStateChanged selectedImage.transform CGAffineTransformRotate selectedImage.referenceTransform rotate rotation 55 M_PI 180 break default.. pinch.state case UIGestureRecognizerStateBegan selectedImage.referenceTransform selectedImage.transform break case UIGestureRecognizerStateChanged CGAffineTransform transform CGAffineTransformScale selectedImage.referenceTransform pinch.scale pinch.scale selectedImage.transform.. recognizer toTransform selectedImage.referenceTransform _activeRecognizers removeObject recognizer break case UIGestureRecognizerStateChanged CGAffineTransform transform selectedImage.referenceTransform for UIGestureRecognizer recognizer in _activeRecognizers ..

Combine longpress gesture and drag gesture together

http://stackoverflow.com/questions/9272333/combine-longpress-gesture-and-drag-gesture-together

So essentially after your UILongPressGestureRecognizer selector is called you listen to UIGestureRecognizerStateBegan UIGestureRecognizerStateChanged UIGestureRecognizerStateEnded. Keep changing your views frame during UIGestureRecognizerStateChanged . void moveRight UILongPressGestureRecognizer.. UIGestureRecognizerStateChanged UIGestureRecognizerStateEnded. Keep changing your views frame during UIGestureRecognizerStateChanged . void moveRight UILongPressGestureRecognizer gesture if gesture.state UIGestureRecognizerStateBegan if needed do some.. UIGestureRecognizerStateBegan if needed do some initial setup or init of views here else if gesture.state UIGestureRecognizerStateChanged move your views here. yourView setFrame else if gesture.state UIGestureRecognizerStateEnded else do cleanup share improve..