//
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// UIView+YYAdd.h
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// YYCategories <https://github.com/ibireme/YYCategories>
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//
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// Created by ibireme on 13/4/3.
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// Copyright (c) 2015 ibireme.
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//
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// This source code is licensed under the MIT-style license found in the
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// LICENSE file in the root directory of this source tree.
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//
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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Provides extensions for `UIView`.
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*/
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@interface UIView (YYAdd)
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/**
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Create a snapshot image of the complete view hierarchy.
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*/
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- (nullable UIImage *)snapshotImage;
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/**
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Create a snapshot image of the complete view hierarchy.
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@discussion It's faster than "snapshotImage", but may cause screen updates.
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See -[UIView drawViewHierarchyInRect:afterScreenUpdates:] for more information.
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*/
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- (nullable UIImage *)snapshotImageAfterScreenUpdates:(BOOL)afterUpdates;
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/**
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Create a snapshot PDF of the complete view hierarchy.
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*/
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- (nullable NSData *)snapshotPDF;
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/**
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Shortcut to set the view.layer's shadow
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@param color Shadow Color
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@param offset Shadow offset
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@param radius Shadow radius
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*/
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- (void)setLayerShadow:(nullable UIColor*)color offset:(CGSize)offset radius:(CGFloat)radius;
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/**
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Remove all subviews.
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@warning Never call this method inside your view's drawRect: method.
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*/
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- (void)removeAllSubviews;
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/**
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Returns the view's view controller (may be nil).
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*/
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@property (nullable, nonatomic, readonly) UIViewController *viewController;
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/**
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Returns the visible alpha on screen, taking into account superview and window.
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*/
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@property (nonatomic, readonly) CGFloat visibleAlpha;
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/**
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Converts a point from the receiver's coordinate system to that of the specified view or window.
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@param point A point specified in the local coordinate system (bounds) of the receiver.
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@param view The view or window into whose coordinate system point is to be converted.
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If view is nil, this method instead converts to window base coordinates.
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@return The point converted to the coordinate system of view.
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*/
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- (CGPoint)convertPoint:(CGPoint)point toViewOrWindow:(nullable UIView *)view;
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/**
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Converts a point from the coordinate system of a given view or window to that of the receiver.
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@param point A point specified in the local coordinate system (bounds) of view.
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@param view The view or window with point in its coordinate system.
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If view is nil, this method instead converts from window base coordinates.
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@return The point converted to the local coordinate system (bounds) of the receiver.
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*/
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- (CGPoint)convertPoint:(CGPoint)point fromViewOrWindow:(nullable UIView *)view;
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/**
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Converts a rectangle from the receiver's coordinate system to that of another view or window.
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@param rect A rectangle specified in the local coordinate system (bounds) of the receiver.
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@param view The view or window that is the target of the conversion operation. If view is nil, this method instead converts to window base coordinates.
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@return The converted rectangle.
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*/
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- (CGRect)convertRect:(CGRect)rect toViewOrWindow:(nullable UIView *)view;
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/**
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Converts a rectangle from the coordinate system of another view or window to that of the receiver.
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@param rect A rectangle specified in the local coordinate system (bounds) of view.
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@param view The view or window with rect in its coordinate system.
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If view is nil, this method instead converts from window base coordinates.
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@return The converted rectangle.
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*/
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- (CGRect)convertRect:(CGRect)rect fromViewOrWindow:(nullable UIView *)view;
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@property (nonatomic) CGFloat left; ///< Shortcut for frame.origin.x.
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@property (nonatomic) CGFloat top; ///< Shortcut for frame.origin.y
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@property (nonatomic) CGFloat right; ///< Shortcut for frame.origin.x + frame.size.width
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@property (nonatomic) CGFloat bottom; ///< Shortcut for frame.origin.y + frame.size.height
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@property (nonatomic) CGFloat width; ///< Shortcut for frame.size.width.
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@property (nonatomic) CGFloat height; ///< Shortcut for frame.size.height.
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@property (nonatomic) CGFloat centerX; ///< Shortcut for center.x
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@property (nonatomic) CGFloat centerY; ///< Shortcut for center.y
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@property (nonatomic) CGPoint origin; ///< Shortcut for frame.origin.
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@property (nonatomic) CGSize size; ///< Shortcut for frame.size.
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@end
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NS_ASSUME_NONNULL_END
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