Merge branch 'fix-cairo-transform' into feat-cairo-textalignment

Cairo/Perspex.Cairo/Media/DrawingContext.cs

@@ -176,14 +176,11 @@ namespace Perspex.Cairo.Media
         /// <returns>A disposable used to undo the transformation.</returns>
         public IDisposable PushTransform(Matrix matrix)
         {
-            this.context.Save();
             this.context.Transform(matrix.ToCairo());
-            this.CurrentTransform *= matrix;
 
-            return Disposable.Create(() => 
+            return Disposable.Create(() =>
             {
-                this.context.Restore();
-                this.CurrentTransform *= matrix.Invert();
+                this.context.Transform(matrix.Invert().ToCairo());
             });
         }