From 8ff052ce40773918ab42b46bbe5300b1acda7a27 Mon Sep 17 00:00:00 2001
From: Mikael Sand <msand@abo.fi>
Date: Fri, 23 Feb 2018 01:38:41 +0200
Subject: [PATCH] Optimize group hitTest

---
 ios/Elements/RNSVGGroup.m | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/ios/Elements/RNSVGGroup.m b/ios/Elements/RNSVGGroup.m
index 5b1435a5..c926cbed 100644
--- a/ios/Elements/RNSVGGroup.m
+++ b/ios/Elements/RNSVGGroup.m
@@ -111,7 +111,7 @@
 
 - (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
 {
-    CGPoint transformed = CGPointApplyAffineTransform(point, CGAffineTransformInvert(self.matrix));
+    CGPoint transformed = CGPointApplyAffineTransform(point, self.invmatrix);
 
     UIView *hitSelf = [super hitTest:transformed withEvent:event];
     if (hitSelf) {
@@ -119,11 +119,8 @@
     }
 
     CGPathRef clip = [self getClipPath];
-    if (clip) {
-        BOOL insideClipPath = CGPathContainsPoint(clip, nil, transformed, self.clipRule == kRNSVGCGFCRuleEvenodd);
-        if (!insideClipPath) {
-            return nil;
-        }
+    if (clip && !CGPathContainsPoint(clip, nil, transformed, self.clipRule == kRNSVGCGFCRuleEvenodd)) {
+        return nil;
     }
 
     for (RNSVGNode *node in [self.subviews reverseObjectEnumerator]) {