--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/js/JSSVGMatrixCustom.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
+ * Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#if ENABLE(SVG)
+#include "JSSVGMatrix.h"
+
+#include "AffineTransform.h"
+#include "SVGException.h"
+#include <runtime/Error.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+JSValue JSSVGMatrix::multiply(ExecState* exec)
+{
+    if (exec->argumentCount() < 1)
+        return throwError(exec, createSyntaxError(exec, "Not enough arguments"));
+
+    if (!exec->argument(0).inherits(&JSSVGMatrix::s_info))
+        return throwError(exec, createTypeError(exec, "secondMatrix argument was not a SVGMatrix"));
+
+    JSSVGMatrix* matrixObj = static_cast<JSSVGMatrix*>(asObject(exec->argument(0)));
+
+    AffineTransform m1(*impl());
+    AffineTransform m2(*(matrixObj->impl()));
+
+    SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this);
+    return toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(m1.multLeft(m2)).get(), context);
+}
+
+JSValue JSSVGMatrix::inverse(ExecState* exec)
+{
+    AffineTransform imp(*impl());
+
+    SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this);
+    JSValue result = toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(imp.inverse()).get(), context);
+
+    if (!imp.isInvertible())
+        setDOMException(exec, SVGException::SVG_MATRIX_NOT_INVERTABLE);
+
+    return result;
+}
+
+JSValue JSSVGMatrix::rotateFromVector(ExecState* exec)
+{
+    AffineTransform imp(*impl());
+ 
+    float x = exec->argument(0).toFloat(exec);
+    float y = exec->argument(1).toFloat(exec);
+
+    SVGElement* context = JSSVGContextCache::svgContextForDOMObject(this);
+    JSValue result = toJS(exec, globalObject(), JSSVGStaticPODTypeWrapper<AffineTransform>::create(imp.rotateFromVector(x, y)).get(), context);
+
+    if (x == 0.0 || y == 0.0)
+        setDOMException(exec, SVGException::SVG_INVALID_VALUE_ERR);
+
+    return result;
+}
+
+}
+
+#endif // ENABLE(SVG)