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66 lines
2.2 KiB
Objective-C
66 lines
2.2 KiB
Objective-C
/**
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Copyright (c) 2014-present, Facebook, Inc.
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All rights reserved.
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This source code is licensed under the BSD-style license found in the
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LICENSE file in the root directory of this source tree. An additional grant
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of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <LegacyComponents/POPAnimatableProperty.h>
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#import <LegacyComponents/POPAnimation.h>
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/**
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@abstract Flags for clamping animation values.
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@discussion Animation values can optionally be clamped to avoid overshoot. kPOPAnimationClampStart ensures values are more than fromValue and kPOPAnimationClampEnd ensures values are less than toValue.
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*/
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typedef NS_OPTIONS(NSUInteger, POPAnimationClampFlags)
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{
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kPOPAnimationClampNone = 0,
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kPOPAnimationClampStart = 1UL << 0,
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kPOPAnimationClampEnd = 1UL << 1,
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kPOPAnimationClampBoth = kPOPAnimationClampStart | kPOPAnimationClampEnd,
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};
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/**
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@abstract The semi-concrete property animation subclass.
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*/
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@interface POPPropertyAnimation : POPAnimation
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/**
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@abstract The property to animate.
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*/
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@property (strong, nonatomic) POPAnimatableProperty *property;
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/**
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@abstract The value to animate from.
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@discussion The value type should match the property. If unspecified, the value is initialized to the object's current value on animation start.
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*/
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@property (copy, nonatomic) id fromValue;
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/**
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@abstract The value to animate to.
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@discussion The value type should match the property. If unspecified, the value is initialized to the object's current value on animation start.
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*/
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@property (copy, nonatomic) id toValue;
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/**
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@abstract The rounding factor applied to the current animated value.
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@discussion Specify 1.0 to animate between integral values. Defaults to 0 meaning no rounding.
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*/
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@property (assign, nonatomic) CGFloat roundingFactor;
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/**
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@abstract The clamp mode applied to the current animated value.
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@discussion See {@ref POPAnimationClampFlags} for possible values. Defaults to kPOPAnimationClampNone.
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*/
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@property (assign, nonatomic) NSUInteger clampMode;
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/**
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@abstract The flag indicating whether values should be "added" each frame, rather than set.
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@discussion Addition may be type dependent. Defaults to NO.
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*/
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@property (assign, nonatomic, getter = isAdditive) BOOL additive;
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@end
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