//

// SVGAContentLayer.m

// SVGAPlayer

//

// Created by 崔明辉 on 2017/2/22.

// Copyright © 2017年 UED Center. All rights reserved.

//

#import "SVGAContentLayer.h"

#import "SVGABitmapLayer.h"

#import "SVGAVectorLayer.h"

#import "SVGAVideoSpriteFrameEntity.h"

@interface SVGAContentLayer ()

@property (nonatomic, strong) NSArray<SVGAVideoSpriteFrameEntity *> *frames;

@end

@implementation SVGAContentLayer

- (instancetype)initWithFrames:(NSArray *)frames {

self = [super init];

if (self) {

self.backgroundColor = [UIColor clearColor].CGColor;

self.masksToBounds = NO;

_frames = frames;

[self stepToFrame:0];

}

return self;

}

- (void)stepToFrame:(NSInteger)frame {

if (frame < self.frames.count) {

SVGAVideoSpriteFrameEntity *frameItem = self.frames[frame];

if (frameItem.alpha > 0.0) {

self.hidden = NO;

self.opacity = frameItem.alpha;

CGFloat nx = frameItem.nx;

CGFloat ny = frameItem.ny;

self.position = CGPointMake(0, 0);

self.transform = CATransform3DIdentity;

self.frame = frameItem.layout;

self.transform = CATransform3DMakeAffineTransform(frameItem.transform);

CGFloat offsetX = self.frame.origin.x - nx;

CGFloat offsetY = self.frame.origin.y - ny;

self.position = CGPointMake(self.position.x - offsetX, self.position.y - offsetY);

self.mask = frameItem.maskLayer;

[self.bitmapLayer stepToFrame:frame];

[self.vectorLayer stepToFrame:frame];

}

else {

self.hidden = YES;

}

}

}

- (void)setFrame:(CGRect)frame {

[super setFrame:frame];

self.bitmapLayer.frame = self.bounds;

self.vectorLayer.frame = self.bounds;

for (CALayer *sublayer in self.sublayers) {

if ([sublayer isKindOfClass:[CATextLayer class]]) {

CGRect frame = sublayer.frame;

frame.origin.x = (self.frame.size.width - sublayer.frame.size.width) / 2.0;

frame.origin.y = (self.frame.size.height - sublayer.frame.size.height) / 2.0;

sublayer.frame = frame;

}

}

}

- (void)setBitmapLayer:(SVGABitmapLayer *)bitmapLayer {

[_bitmapLayer removeFromSuperlayer];

_bitmapLayer = bitmapLayer;

[self addSublayer:bitmapLayer];

}

- (void)setVectorLayer:(SVGAVectorLayer *)vectorLayer {

[_vectorLayer removeFromSuperlayer];

_vectorLayer = vectorLayer;

[self addSublayer:vectorLayer];

}

@end