From aacc77b6a63fe40251d9977664ff71352cb46428 Mon Sep 17 00:00:00 2001
From: Jeff Schiller <codedread@gmail.com>
Date: Fri, 2 Oct 2009 23:19:11 +0000
Subject: [PATCH] Fix Issue 254: Handle Webkit's use of matrix transforms,
 merging Peter's patch

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@752 eee81c28-f429-11dd-99c0-75d572ba1ddd
---
 editor/svgcanvas.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/editor/svgcanvas.js b/editor/svgcanvas.js
index d06f5a09..bf578364 100644
--- a/editor/svgcanvas.js
+++ b/editor/svgcanvas.js
@@ -3572,6 +3572,11 @@ function BatchCommand(text) {
 			var xform = tlist.getItem(t);
 			if (xform.type == 4) {
 				return xform.angle;
+			} else if (xform.type == 1) {
+				// Matrix transformation. Extract the rotation. (for Webkit)
+				var angle = Math.round( Math.acos(xform.matrix.a) * 180.0 / Math.PI );
+				if (xform.matrix.b < 0) angle = -angle;
+				return angle;
 			}
 		}
 		return 0;