From 7bfb96c1c061c4179c875573033ad800fb16c002 Mon Sep 17 00:00:00 2001
From: "Alex A. Naanou" <alex.nanou@gmail.com>
Date: Mon, 30 Jul 2012 16:13:42 +0400
Subject: [PATCH] fixed zooming, some render problems in webkit (zoom did not
 have these\!); we are still getting some positioning errors due to sub-pizel
 accumolation, find a way around this...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
---
 ui/ui.js | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/ui/ui.js b/ui/ui.js
index 91d4687d..c6683437 100755
--- a/ui/ui.js
+++ b/ui/ui.js
@@ -201,19 +201,28 @@ function fieldSize(W, H){
 
 /*********************************************************************/
 
-// NOTE: this will only return a single scale/zoom value...
+// NOTE: this will only return a single scale value...
 function getElementScale(elem){
-	var zoom = elem.css('zoom')
+	//var transform = elem.css('transform')
+	var vendors = ['o', 'moz', 'ms', 'webkit']
 	var transform = elem.css('transform')
 	var res
 
-	// get the scale value...
-	if( (/scale\(/).test(transform) ){
-		res = (/scale\((.*),.*\)/).exec(transform)[1]
-	} else {
-		res = zoom
+	// go through vendor prefixes... (hate this!)
+	if(!transform || transform == 'none'){
+		for(var i in vendors){
+			transform = elem.css('-' + vendors[i] + '-transform')
+			if(transform && transform != 'none'){
+				break
+			}
+		}
 	}
-	return res
+	// no transform is set...
+	if(!transform || transform == 'none'){
+		return 1
+	}
+	// get the scale value -- first argument of scale/matrix...
+	return parseFloat((/(scale|matrix)\(([^,]*),.*\)/).exec(transform)[2])
 }
 // XXX
 function setElementScale(elem, scale){