From 44d6958db2c06cb4400bb221816450a437558c9c Mon Sep 17 00:00:00 2001
From: GreLI <grelimail@gmail.com>
Date: Wed, 24 Aug 2016 21:43:14 +0300
Subject: [PATCH] Don't pass mask around transform in collapseGroups. Fixes
 #572

---
 plugins/collapseGroups.js          | 2 +-
 test/plugins/collapseGroups.10.svg | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/plugins/collapseGroups.js b/plugins/collapseGroups.js
index 2626ce85..b572f6a9 100644
--- a/plugins/collapseGroups.js
+++ b/plugins/collapseGroups.js
@@ -52,7 +52,7 @@ exports.fn = function(item) {
                     var inner = g.content[0];
 
                     if (inner.isElem() && !inner.hasAttr('id') && (
-                        !g.hasAttr('clip-path') ||
+                        !g.hasAttr('clip-path') && !g.hasAttr('mask') ||
                         inner.isElem('g') && !g.hasAttr('transform') && !inner.hasAttr('transform')
                     )) {
                         g.eachAttr(function(attr) {
diff --git a/test/plugins/collapseGroups.10.svg b/test/plugins/collapseGroups.10.svg
index fe59581d..aa05c576 100644
--- a/test/plugins/collapseGroups.10.svg
+++ b/test/plugins/collapseGroups.10.svg
@@ -2,9 +2,13 @@
     <clipPath id="a">
        <path d="..."/>
     </clipPath>
+    <path d="..."/>
     <g clip-path="url(#a)">
         <path d="..." transform="scale(.2)"/>
     </g>
+    <g mask="url(#a)">
+        <path d="..." transform="scale(.2)"/>
+    </g>
 </svg>
 
 @@@
@@ -13,7 +17,11 @@
     <clipPath id="a">
         <path d="..."/>
     </clipPath>
+    <path d="..."/>
     <g clip-path="url(#a)">
         <path d="..." transform="scale(.2)"/>
     </g>
+    <g mask="url(#a)">
+        <path d="..." transform="scale(.2)"/>
+    </g>
 </svg>