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JFPropertyAnimatable.h
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JFPropertyAnimatable.h
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//
// JFPropertyAnimatable.h
// JFCommon
//
// Created by Jason Fuerstenberg on 2013/09/17.
// Copyright (c) 2013 Jason Fuerstenberg. All rights reserved.
//
// http://www.jayfuerstenberg.com
//
// 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 <Foundation/Foundation.h>
#if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
#import <UIKit/UIKit.h>
#elif TARGET_OS_MAC
#import <Cocoa/Cocoa.h>
#endif
#import "JFPropertyAnimationDefines.h"
/*
* The protocol to which objects whose properties are animatable adhere.
* A property can be anything and common examples include color, position, opacity.
* The property value is assumed to be a floating point number but can be rounded
* to an integer type if needed.
*
* Objects intending to be animated are typically added to the JFPropertyAnimator
* class via one of the animateObject... class methods.
*/
@protocol JFPropertyAnimatable <NSObject>
/*
* Assigns the new value of the provided property.
* The property ID is arbitrary and application specific.
*/
- (void) setAnimatableProperty: (NSUInteger) propertyId toNewValue: (CGFloat) newValue;
/*
* Returns the current value of the provided property.
*/
- (CGFloat) valueOfAnimatableProperty: (NSUInteger) propertyId;
@end