Reworked sub-pixel offset fix

1 files changed, 12 insertions, 0 deletions

diff --git a/src/doc.js b/src/doc.js
index 1e19ec7..c7302aa 100755
--- a/src/doc.js
+++ b/src/doc.js
@@ -53,6 +53,18 @@ SVG.Doc = SVG.invent({
   , parent: function() {
       return this.node.parentNode.nodeName == '#document' ? null : this.node.parentNode
     }
+    // Fix for possible sub-pixel offset. See:
+    // https://bugzilla.mozilla.org/show_bug.cgi?id=608812
+  , spof: function(spof) {
+      var pos = this.node.getScreenCTM()
+      
+      if (pos)
+        this
+          .style('left', (-pos.e % 1) + 'px')
+          .style('top',  (-pos.f % 1) + 'px')
+
+      return this
+    }
   }
   
 })