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01c1680904
This patch switches to instance methods of draw and display for ASTextNode and ASImageNode to attempt to increase their performance. It also fixes some thread safety issues in ASImageNode which appear to have been regressions (though probably not hit very often). And it sets up work for allowing modification of CGContexts before and after a node's contents are drawn.
47 lines
1.8 KiB
Objective-C
47 lines
1.8 KiB
Objective-C
/* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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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 "_ASDisplayLayer.h"
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@interface ASDisplayNode (Beta)
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+ (BOOL)shouldUseNewRenderingRange;
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+ (void)setShouldUseNewRenderingRange:(BOOL)shouldUseNewRenderingRange;
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/** @name Layout */
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/**
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* @abstract Recursively ensures node and all subnodes are displayed.
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* @see Full documentation in ASDisplayNode+FrameworkPrivate.h
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*/
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- (void)recursivelyEnsureDisplaySynchronously:(BOOL)synchronously;
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- (void)drawRect:(CGRect)bounds withParameters:(id <NSObject>)parameters isCancelled:(asdisplaynode_iscancelled_block_t)isCancelledBlock isRasterizing:(BOOL)isRasterizing;
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- (UIImage *)displayWithParameters:(id <NSObject>)parameters isCancelled:(asdisplaynode_iscancelled_block_t)isCancelled;
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/**
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* @abstract allow modification of a context before the node's content is drawn
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*
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* @discussion Set the block to be called after the context has been created and before the node's content is drawn.
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* You can override this to modify the context before the content is drawn. You are responsible for saving and
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* restoring context if necessary. Restoring can be done in contextDidDisplayNodeContent
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* This block can be called from *any* thread and it is unsafe to access any UIKit main thread properties from it.
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*/
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@property (nonatomic, strong) ASDisplayNodeContextModifier willDisplayNodeContentBlock;
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/**
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* @abstract allow modification of a context after the node's content is drawn
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*
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* @discussion
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*/
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@property (nonatomic, strong) ASDisplayNodeContextModifier didDisplayNodeContentBlock;
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@end
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