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SVGAVideoSpriteFrameEntity.m
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//
// 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"
#import "Svga.pbobjc.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) NSString *clipPath;
@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]]) {
self.clipPath = clipPath;
}
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;
}
- (instancetype)initWithProtoObject:(SVGAProtoFrameEntity *)protoObject {
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 ([protoObject isKindOfClass:[SVGAProtoFrameEntity class]]) {
_alpha = protoObject.alpha;
if (protoObject.hasLayout) {
_layout = CGRectMake((CGFloat)protoObject.layout.x,
(CGFloat)protoObject.layout.y,
(CGFloat)protoObject.layout.width,
(CGFloat)protoObject.layout.height);
}
if (protoObject.hasTransform) {
_transform = CGAffineTransformMake((CGFloat)protoObject.transform.a,
(CGFloat)protoObject.transform.b,
(CGFloat)protoObject.transform.c,
(CGFloat)protoObject.transform.d,
(CGFloat)protoObject.transform.tx,
(CGFloat)protoObject.transform.ty);
}
if ([protoObject.clipPath isKindOfClass:[NSString class]] && protoObject.clipPath.length > 0) {
self.clipPath = protoObject.clipPath;
}
if ([protoObject.shapesArray isKindOfClass:[NSArray class]]) {
_shapes = [protoObject.shapesArray copy];
}
}
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;
}
- (CALayer *)maskLayer {
if (_maskLayer == nil && self.clipPath != nil) {
SVGABezierPath *bezierPath = [[SVGABezierPath alloc] init];
[bezierPath setValues:self.clipPath];
_maskLayer = [bezierPath createLayer];
}
return _maskLayer;
}
@end