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/* GlobePinchDelegate.h
* WhirlyGlobeLib
*
* Created by Steve Gifford on 8/22/12.
* Copyright 2012-2022 mousebird consulting
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import <UIKit/UIKit.h>
@class WhirlyGlobeRotateDelegate;
// Sent out when the pinch delegate takes control
#define kPinchDelegateDidStart @"WKPinchDelegateStarted"
// Sent out when the pinch delegate finished (but hands off to momentum)
#define kPinchDelegateDidEnd @"WKPinchDelegateEnded"
/** WhirlyGlobe Pinch Gesture Delegate
Responds to pinches on a UIView and manipulates the globe view
accordingly.
*/
@interface WhirlyGlobePinchDelegate : NSObject <UIGestureRecognizerDelegate>
/// Min and max height to allow the user to change
@property (nonatomic,assign) float minHeight,maxHeight;
/// If set we're cooperating with the rotation delegate (HACK!)
@property (nonatomic,weak) WhirlyGlobeRotateDelegate *rotateDelegate;
/// If set, we'll zoom around the pinch, rather than the center of the view
@property (nonatomic,assign) bool zoomAroundPinch;
/// If set, we'll rotate around the pinch
@property (nonatomic,assign) bool doRotation;
/// If set, we'll pan around the center point. If not, we just zoom.
@property (nonatomic,assign) bool allowPan;
/// If set, we'll maintain north as up
@property (nonatomic,assign) bool northUp;
@property (nonatomic,weak) UIGestureRecognizer *gestureRecognizer;
// If set, we'll keep track up rather than north up
- (void)setTrackUp:(double)trackUp;
// Turn track up back off
- (void)clearTrackUp;
@end
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