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SBDoubleSidedLayer.m
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SBDoubleSidedLayer.m
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//
// --------------------------------------------
// Copyright (C) 2011 by Simon Blommegård
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
// --------------------------------------------
//
// SBDoubleSidedLayer.m
// SBTickerView
//
// Created by Simon Blommegård on 2011-12-10.
// Copyright 2011 Simon Blommegård. All rights reserved.
//
#import "SBDoubleSidedLayer.h"
@implementation SBDoubleSidedLayer
@synthesize frontLayer = _frontLayer;
@synthesize backLayer = _backLayer;
- (id)init {
if ((self = [super init])) {
[self setDoubleSided:YES];
}
return self;
}
- (void)layoutSublayers {
[super layoutSublayers];
[_frontLayer setFrame:self.bounds];
[_backLayer setFrame:self.bounds];
}
#pragma mark - Properties
- (void)setFrontLayer:(CALayer *)frontLayer{
if (_frontLayer != frontLayer) {
[_frontLayer removeFromSuperlayer];
_frontLayer = frontLayer;
[_frontLayer setDoubleSided:NO];
[self addSublayer:frontLayer];
[self setNeedsLayout];
}
}
- (void)setBackLayer:(CALayer *)backLayer {
if (_backLayer != backLayer) {
[_backLayer removeFromSuperlayer];
_backLayer = backLayer;
[_backLayer setDoubleSided:NO];
CATransform3D transform = CATransform3DMakeRotation(M_PI, 1., 0., 0.);
[_backLayer setTransform:transform];
[self addSublayer:_backLayer];
[self setNeedsLayout];
}
}
@end