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70 lines
2.4 KiB
Objective-C
70 lines
2.4 KiB
Objective-C
//
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// ASDefaultPlayButton.m
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// AsyncDisplayKit
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//
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// Created by Luke Parham on 1/27/16.
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//
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// Copyright (c) 2014-present, Facebook, Inc. 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 <AsyncDisplayKit/ASDefaultPlayButton.h>
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#import <AsyncDisplayKit/_ASDisplayLayer.h>
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@implementation ASDefaultPlayButton
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- (instancetype)init
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{
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if (!(self = [super init])) {
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return nil;
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}
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self.opaque = NO;
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return self;
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}
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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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{
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CGFloat originX = bounds.size.width/4;
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CGRect buttonBounds = CGRectMake(originX, bounds.size.height/4, bounds.size.width/2, bounds.size.height/2);
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CGFloat widthHeight = buttonBounds.size.width;
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//When the video isn't a square, the lower bound should be used to figure out the circle size
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if (bounds.size.width < bounds.size.height) {
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widthHeight = bounds.size.width/2;
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originX = (bounds.size.width - widthHeight)/2;
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buttonBounds = CGRectMake(originX, (bounds.size.height - widthHeight)/2, widthHeight, widthHeight);
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}
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if (bounds.size.width > bounds.size.height) {
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widthHeight = bounds.size.height/2;
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originX = (bounds.size.width - widthHeight)/2;
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buttonBounds = CGRectMake(originX, (bounds.size.height - widthHeight)/2, widthHeight, widthHeight);
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}
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CGContextRef context = UIGraphicsGetCurrentContext();
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// Circle Drawing
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UIBezierPath *ovalPath = [UIBezierPath bezierPathWithOvalInRect: buttonBounds];
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[[UIColor colorWithWhite:0.0 alpha:0.5] setFill];
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[ovalPath fill];
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// Triangle Drawing
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CGContextSaveGState(context);
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UIBezierPath *trianglePath = [UIBezierPath bezierPath];
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[trianglePath moveToPoint:CGPointMake(originX + widthHeight/3, bounds.size.height/4 + (bounds.size.height/2)/4)];
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[trianglePath addLineToPoint:CGPointMake(originX + widthHeight/3, bounds.size.height - bounds.size.height/4 - (bounds.size.height/2)/4)];
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[trianglePath addLineToPoint:CGPointMake(bounds.size.width - originX - widthHeight/4, bounds.size.height/2)];
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[trianglePath closePath];
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[[UIColor colorWithWhite:0.9 alpha:0.9] setFill];
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[trianglePath fill];
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CGContextRestoreGState(context);
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}
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@end
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