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git-subtree-dir: submodules/AsyncDisplayKit git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632 git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
110 lines
5.1 KiB
Objective-C
110 lines
5.1 KiB
Objective-C
//
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// UIImage+ASConvenience.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <UIKit/UIKit.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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* Dramatically faster version of +[UIImage imageNamed:]. Although it is believed that imageNamed:
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* has a cache and is fast, it actually performs expensive asset catalog lookups and is often a
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* performance bottleneck (verified on iOS 7 through iOS 10).
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*
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* Use [UIImage as_imageNamed:] anywhere in your app, even if you aren't using other parts of ASDK.
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* Although not the best choice for extremely large assets that are only used once, it is the ideal
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* choice for any assets used in tab bars, nav bars, buttons, table or collection cells, etc.
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*/
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@interface UIImage (ASDKFastImageNamed)
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/**
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* A version of imageNamed that caches results because loading an image is expensive.
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* Calling with the same name value will usually return the same object. A UIImage,
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* after creation, is immutable and thread-safe so it's fine to share these objects across multiple threads.
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*
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* @param imageName The name of the image to load
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* @return The loaded image or nil
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*/
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+ (nullable UIImage *)as_imageNamed:(NSString *)imageName NS_RETURNS_RETAINED;
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/**
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* A version of imageNamed that caches results because loading an image is expensive.
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* Calling with the same name value will usually return the same object. A UIImage,
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* after creation, is immutable and thread-safe so it's fine to share these objects across multiple threads.
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*
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* @param imageName The name of the image to load
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* @param traitCollection The traits associated with the intended environment for the image.
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* @return The loaded image or nil
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*/
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+ (nullable UIImage *)as_imageNamed:(NSString *)imageName compatibleWithTraitCollection:(nullable UITraitCollection *)traitCollection NS_RETURNS_RETAINED;
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@end
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/**
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* High-performance flat-colored, rounded-corner resizable images
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*
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* For "Baked-in Opaque" corners, set cornerColor equal to the color behind the rounded image object,
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* i.e. the background color.
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* For "Baked-in Alpha" corners, set cornerColor = [UIColor clearColor]
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*
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* See http://asyncdisplaykit.org/docs/corner-rounding.html for an explanation.
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*/
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@interface UIImage (ASDKResizableRoundedRects)
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/**
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* This generates a flat-color, rounded-corner resizeable image
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*
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* @param cornerRadius The radius of the rounded-corner
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* @param cornerColor The fill color of the corners (For Alpha corners use clearColor)
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* @param fillColor The fill color of the rounded-corner image
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*/
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+ (UIImage *)as_resizableRoundedImageWithCornerRadius:(CGFloat)cornerRadius
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cornerColor:(nullable UIColor *)cornerColor
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fillColor:(UIColor *)fillColor NS_RETURNS_RETAINED AS_WARN_UNUSED_RESULT;
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/**
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* This generates a flat-color, rounded-corner resizeable image with a border
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*
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* @param cornerRadius The radius of the rounded-corner
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* @param cornerColor The fill color of the corners (For Alpha corners use clearColor)
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* @param fillColor The fill color of the rounded-corner image
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* @param borderColor The border color. Set to nil for no border.
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* @param borderWidth The border width. Dummy value if borderColor = nil.
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*/
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+ (UIImage *)as_resizableRoundedImageWithCornerRadius:(CGFloat)cornerRadius
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cornerColor:(UIColor *)cornerColor
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fillColor:(UIColor *)fillColor
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borderColor:(nullable UIColor *)borderColor
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borderWidth:(CGFloat)borderWidth NS_RETURNS_RETAINED AS_WARN_UNUSED_RESULT;
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/**
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* This generates a flat-color, rounded-corner resizeable image with a border
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*
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* @param cornerRadius The radius of the rounded-corner
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* @param cornerColor The fill color of the corners (For Alpha corners use clearColor)
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* @param fillColor The fill color of the rounded-corner image
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* @param borderColor The border color. Set to nil for no border.
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* @param borderWidth The border width. Dummy value if borderColor = nil.
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* @param roundedCorners Select individual or multiple corners to round. Set to UIRectCornerAllCorners to round all 4 corners.
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* @param scale The number of pixels per point. Provide 0.0 to use the screen scale.
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*/
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+ (UIImage *)as_resizableRoundedImageWithCornerRadius:(CGFloat)cornerRadius
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cornerColor:(nullable UIColor *)cornerColor
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fillColor:(UIColor *)fillColor
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borderColor:(nullable UIColor *)borderColor
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borderWidth:(CGFloat)borderWidth
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roundedCorners:(UIRectCorner)roundedCorners
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scale:(CGFloat)scale NS_RETURNS_RETAINED AS_WARN_UNUSED_RESULT;
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@end
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NS_ASSUME_NONNULL_END
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