From d40e390fbe6d7ef3b417876af6fdce5e4d2aa335 Mon Sep 17 00:00:00 2001
From: Ilya Laktyushin <ilya@laktyush.in>
Date: Tue, 11 Jun 2019 19:10:23 +0200
Subject: [PATCH] Respect hidden property on strokes

---
 lottie-ios/Classes/Models/LOTShapeStroke.h               | 1 +
 lottie-ios/Classes/Models/LOTShapeStroke.m               | 5 +++++
 .../Classes/RenderSystem/RenderNodes/LOTRenderGroup.m    | 9 ++++++---
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/lottie-ios/Classes/Models/LOTShapeStroke.h b/lottie-ios/Classes/Models/LOTShapeStroke.h
index 2d1ae6ae58..2a05163730 100644
--- a/lottie-ios/Classes/Models/LOTShapeStroke.h
+++ b/lottie-ios/Classes/Models/LOTShapeStroke.h
@@ -27,6 +27,7 @@ typedef enum : NSUInteger {
 
 @property (nonatomic, readonly) NSString *keyname;
 @property (nonatomic, readonly) BOOL fillEnabled;
+@property (nonatomic, readonly) BOOL hidden;
 @property (nonatomic, readonly) LOTKeyframeGroup *color;
 @property (nonatomic, readonly) LOTKeyframeGroup *opacity;
 @property (nonatomic, readonly) LOTKeyframeGroup *width;
diff --git a/lottie-ios/Classes/Models/LOTShapeStroke.m b/lottie-ios/Classes/Models/LOTShapeStroke.m
index 27ff5447b5..071a675f44 100644
--- a/lottie-ios/Classes/Models/LOTShapeStroke.m
+++ b/lottie-ios/Classes/Models/LOTShapeStroke.m
@@ -42,6 +42,11 @@
       return LOT_RemapValue(inValue, 0, 100, 0, 1);
     }];
   }
+    
+  NSNumber *hidden = jsonDictionary[@"hd"];
+  if (hidden.boolValue) {
+    _hidden = true;
+  }
   
   _capType = [jsonDictionary[@"lc"] integerValue] - 1;
   _joinType = [jsonDictionary[@"lj"] integerValue] - 1;
diff --git a/lottie-ios/Classes/RenderSystem/RenderNodes/LOTRenderGroup.m b/lottie-ios/Classes/RenderSystem/RenderNodes/LOTRenderGroup.m
index e1c78fd2f5..7784190d74 100644
--- a/lottie-ios/Classes/RenderSystem/RenderNodes/LOTRenderGroup.m
+++ b/lottie-ios/Classes/RenderSystem/RenderNodes/LOTRenderGroup.m
@@ -74,10 +74,13 @@
       [self.containerLayer insertSublayer:fillRenderer.outputLayer atIndex:0];
       previousNode = fillRenderer;
     } else if ([item isKindOfClass:[LOTShapeStroke class]]) {
-      LOTStrokeRenderer *strokRenderer = [[LOTStrokeRenderer alloc] initWithInputNode:previousNode
+      if (((LOTShapeStroke *)item).hidden) {
+        continue;
+      }
+      LOTStrokeRenderer *strokeRenderer = [[LOTStrokeRenderer alloc] initWithInputNode:previousNode
                                                                           shapeStroke:(LOTShapeStroke *)item];
-      [self.containerLayer insertSublayer:strokRenderer.outputLayer atIndex:0];
-      previousNode = strokRenderer;
+      [self.containerLayer insertSublayer:strokeRenderer.outputLayer atIndex:0];
+      previousNode = strokeRenderer;
     } else if ([item isKindOfClass:[LOTShapePath class]]) {
       LOTPathAnimator *pathAnimator = [[LOTPathAnimator alloc] initWithInputNode:previousNode
                                                                        shapePath:(LOTShapePath *)item];