Swiftgram/Source/Private/ASDefaultPlayButton.m

75 lines
2.7 KiB
Objective-C

//
// ASDefaultPlayButton.m
// Texture
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
// grant of patent rights can be found in the PATENTS file in the same directory.
//
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASDefaultPlayButton.h>
#import <AsyncDisplayKit/_ASDisplayLayer.h>
@implementation ASDefaultPlayButton
- (instancetype)init
{
if (!(self = [super init])) {
return nil;
}
self.opaque = NO;
return self;
}
+ (void)drawRect:(CGRect)bounds withParameters:(id)parameters isCancelled:(asdisplaynode_iscancelled_block_t)isCancelledBlock isRasterizing:(BOOL)isRasterizing
{
CGFloat originX = bounds.size.width/4;
CGRect buttonBounds = CGRectMake(originX, bounds.size.height/4, bounds.size.width/2, bounds.size.height/2);
CGFloat widthHeight = buttonBounds.size.width;
//When the video isn't a square, the lower bound should be used to figure out the circle size
if (bounds.size.width < bounds.size.height) {
widthHeight = bounds.size.width/2;
originX = (bounds.size.width - widthHeight)/2;
buttonBounds = CGRectMake(originX, (bounds.size.height - widthHeight)/2, widthHeight, widthHeight);
}
if (bounds.size.width > bounds.size.height) {
widthHeight = bounds.size.height/2;
originX = (bounds.size.width - widthHeight)/2;
buttonBounds = CGRectMake(originX, (bounds.size.height - widthHeight)/2, widthHeight, widthHeight);
}
CGContextRef context = UIGraphicsGetCurrentContext();
// Circle Drawing
UIBezierPath *ovalPath = [UIBezierPath bezierPathWithOvalInRect: buttonBounds];
[[UIColor colorWithWhite:0.0 alpha:0.5] setFill];
[ovalPath fill];
// Triangle Drawing
CGContextSaveGState(context);
UIBezierPath *trianglePath = [UIBezierPath bezierPath];
[trianglePath moveToPoint:CGPointMake(originX + widthHeight/3, bounds.size.height/4 + (bounds.size.height/2)/4)];
[trianglePath addLineToPoint:CGPointMake(originX + widthHeight/3, bounds.size.height - bounds.size.height/4 - (bounds.size.height/2)/4)];
[trianglePath addLineToPoint:CGPointMake(bounds.size.width - originX - widthHeight/4, bounds.size.height/2)];
[trianglePath closePath];
[[UIColor colorWithWhite:0.9 alpha:0.9] setFill];
[trianglePath fill];
CGContextRestoreGState(context);
}
@end