From 28bf90f1e891a4e76f9c5d244ecb5317ba89f947 Mon Sep 17 00:00:00 2001
From: PonyCui <cuis@vip.qq.com>
Date: Sat, 30 Sep 2017 19:52:48 +0800
Subject: [PATCH] lazy load maskPath.

---
 SVGAPlayer/ViewController.m         |  5 +++--
 Source/SVGAVideoSpriteFrameEntity.m | 18 ++++++++++++------
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/SVGAPlayer/ViewController.m b/SVGAPlayer/ViewController.m
index d8f9254..11b61e4 100644
--- a/SVGAPlayer/ViewController.m
+++ b/SVGAPlayer/ViewController.m
@@ -38,13 +38,14 @@ static SVGAParser *parser;
 }
 
 - (IBAction)onChange:(id)sender {
-    
-    NSString *named = @"rose_2.0.0";
+    NSString *named = @"rose_1.5.0";
+    NSLog(@"start");
     NSData *data = [NSData dataWithContentsOfFile:[[NSBundle mainBundle] pathForResource:named ofType:@"svga"]
                                           options:kNilOptions
                                             error:NULL];
     [parser parseWithData:data
                  cacheKey:named completionBlock:^(SVGAVideoEntity * _Nonnull videoItem) {
+                     NSLog(@"end");
                      if (videoItem != nil) {
                          self.aPlayer.videoItem = videoItem;
                          [self.aPlayer startAnimation];
diff --git a/Source/SVGAVideoSpriteFrameEntity.m b/Source/SVGAVideoSpriteFrameEntity.m
index 5b6dc37..74f2dc0 100644
--- a/Source/SVGAVideoSpriteFrameEntity.m
+++ b/Source/SVGAVideoSpriteFrameEntity.m
@@ -19,6 +19,7 @@
 @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;
 
@@ -61,9 +62,7 @@
             }
             NSString *clipPath = JSONObject[@"clipPath"];
             if ([clipPath isKindOfClass:[NSString class]]) {
-                SVGABezierPath *bezierPath = [[SVGABezierPath alloc] init];
-                [bezierPath setValues:clipPath];
-                self.maskLayer = [bezierPath createLayer];
+                self.clipPath = clipPath;
             }
             NSArray *shapes = JSONObject[@"shapes"];
             if ([shapes isKindOfClass:[NSArray class]]) {
@@ -107,9 +106,7 @@
                                                    (CGFloat)protoObject.transform.ty);
             }
             if ([protoObject.clipPath isKindOfClass:[NSString class]] && protoObject.clipPath.length > 0) {
-                SVGABezierPath *bezierPath = [[SVGABezierPath alloc] init];
-                [bezierPath setValues:protoObject.clipPath];
-                self.maskLayer = [bezierPath createLayer];
+                self.clipPath = protoObject.clipPath;
             }
             if ([protoObject.shapesArray isKindOfClass:[NSArray class]]) {
                 _shapes = [protoObject.shapesArray copy];
@@ -129,4 +126,13 @@
     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