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diff --git a/engines/wintermute/graphics/transform_tools.h b/engines/wintermute/graphics/transform_tools.h
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+++ b/engines/wintermute/graphics/transform_tools.h
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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program 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 General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef WINTERMUTE_TRANSFORM_TOOLS_H
+#define WINTERMUTE_TRANSFORM_TOOLS_H
+
+#include "engines/wintermute/math/rect32.h"
+#include "engines/wintermute/math/floatpoint.h"
+#include "engines/wintermute/graphics/transform_struct.h"
+
+namespace Wintermute {
+
+class TransformTools {
+public:
+	/**
+	 * Basic transform (scale + rotate) for a single point
+	 */
+	static FloatPoint transformPoint(FloatPoint point, const float rotate, const Point32 &zoom, const bool mirrorX = false, const bool mirrorY = false);
+
+	/**
+	 * @param &point the point on which the transform is to be applied
+	 * @param rotate the angle in degrees
+	 * @param &zoom  zoom x,y in percent
+	 * @param mirrorX flip along the vertical axis?
+	 * @param mirrorY flip along the horizontal axis?
+	 * @return the smallest rect that can contain the transformed sprite
+	 * and, as a side-effect, "newHotspot" will tell you where the hotspot will
+	 * have ended up in the new rect, for centering.
+	 */
+	static Rect32 newRect(const Rect32 &oldRect, const TransformStruct &transform, Point32 *newHotspot);
+};
+
+} // End of namespace Wintermute
+#endif