//

// SVGAVideoSpriteFrameEntity.m

// SVGAPlayer

//

// Created by 崔明辉 on 2017/2/20.

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

//

#import "SVGAVideoSpriteFrameEntity.h"

#import "SVGAVectorLayer.h"

#import "SVGABezierPath.h"

@interface SVGAVideoSpriteFrameEntity ()

@property (nonatomic, strong) SVGAVideoSpriteFrameEntity *previousFrame;

@property (nonatomic, assign) CGFloat alpha;

@property (nonatomic, assign) CGAffineTransform transform;

@property (nonatomic, assign) CGRect layout;

@property (nonatomic, assign) CGFloat nx;

@property (nonatomic, assign) CGFloat ny;

@property (nonatomic, strong) CALayer *maskLayer;

@property (nonatomic, strong) NSArray *shapes;

@end

@implementation SVGAVideoSpriteFrameEntity

- (instancetype)initWithJSONObject:(NSDictionary *)JSONObject {

self = [super init];

if (self) {

_alpha = 0.0;

_layout = CGRectZero;

_transform = CGAffineTransformMake(1.0, 0.0, 0.0, 1.0, 0.0, 0.0);

if ([JSONObject isKindOfClass:[NSDictionary class]]) {

NSNumber *alpha = JSONObject[@"alpha"];

if ([alpha isKindOfClass:[NSNumber class]]) {

_alpha = [alpha floatValue];

}

NSDictionary *layout = JSONObject[@"layout"];

if ([layout isKindOfClass:[NSDictionary class]]) {

NSNumber *x = layout[@"x"];

NSNumber *y = layout[@"y"];

NSNumber *width = layout[@"width"];

NSNumber *height = layout[@"height"];

if ([x isKindOfClass:[NSNumber class]] && [y isKindOfClass:[NSNumber class]] && [width isKindOfClass:[NSNumber class]] && [height isKindOfClass:[NSNumber class]]) {

_layout = CGRectMake(x.floatValue, y.floatValue, width.floatValue, height.floatValue);

}

}

NSDictionary *transform = JSONObject[@"transform"];

if ([transform isKindOfClass:[NSDictionary class]]) {

NSNumber *a = transform[@"a"];

NSNumber *b = transform[@"b"];

NSNumber *c = transform[@"c"];

NSNumber *d = transform[@"d"];

NSNumber *tx = transform[@"tx"];

NSNumber *ty = transform[@"ty"];

if ([a isKindOfClass:[NSNumber class]] && [b isKindOfClass:[NSNumber class]] && [c isKindOfClass:[NSNumber class]] && [d isKindOfClass:[NSNumber class]] && [tx isKindOfClass:[NSNumber class]] && [ty isKindOfClass:[NSNumber class]]) {

_transform = CGAffineTransformMake(a.floatValue, b.floatValue, c.floatValue, d.floatValue, tx.floatValue, ty.floatValue);

}

}

NSString *clipPath = JSONObject[@"clipPath"];

if ([clipPath isKindOfClass:[NSString class]]) {

SVGABezierPath *bezierPath = [[SVGABezierPath alloc] init];

[bezierPath setValues:clipPath];

self.maskLayer = [bezierPath createLayer];

}

NSArray *shapes = JSONObject[@"shapes"];

if ([shapes isKindOfClass:[NSArray class]]) {

_shapes = shapes;

}

}

CGFloat llx = _transform.a * _layout.origin.x + _transform.c * _layout.origin.y + _transform.tx;

CGFloat lrx = _transform.a * (_layout.origin.x + _layout.size.width) + _transform.c * _layout.origin.y + _transform.tx;

CGFloat lbx = _transform.a * _layout.origin.x + _transform.c * (_layout.origin.y + _layout.size.height) + _transform.tx;

CGFloat rbx = _transform.a * (_layout.origin.x + _layout.size.width) + _transform.c * (_layout.origin.y + _layout.size.height) + _transform.tx;

CGFloat lly = _transform.b * _layout.origin.x + _transform.d * _layout.origin.y + _transform.ty;

CGFloat lry = _transform.b * (_layout.origin.x + _layout.size.width) + _transform.d * _layout.origin.y + _transform.ty;

CGFloat lby = _transform.b * _layout.origin.x + _transform.d * (_layout.origin.y + _layout.size.height) + _transform.ty;

CGFloat rby = _transform.b * (_layout.origin.x + _layout.size.width) + _transform.d * (_layout.origin.y + _layout.size.height) + _transform.ty;

_nx = MIN(MIN(lbx, rbx), MIN(llx, lrx));

_ny = MIN(MIN(lby, rby), MIN(lly, lry));

}

return self;

}

@end