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diff --git a/src/datavisualization/engine/drawer_p.h b/src/datavisualization/engine/drawer_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the QtDataVisualization API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+
+#ifndef DRAWER_P_H
+#define DRAWER_P_H
+
+#include "datavisualizationglobal_p.h"
+#include "q3dbars.h"
+#include "theme_p.h"
+#include "labelitem_p.h"
+#include "abstractrenderitem_p.h"
+#include <QFont>
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+class ShaderHelper;
+class ObjectHelper;
+class AbstractObjectHelper;
+class SurfaceObject;
+class TextureHelper;
+class Q3DCamera;
+
+class Drawer : public QObject, public QOpenGLFunctions
+{
+    Q_OBJECT
+
+public:
+    enum LabelPosition {
+        LabelBelow = 0,
+        LabelLow,
+        LabelMid,
+        LabelHigh,
+        LabelOver,
+        LabelBottom,    // Absolute positions from here onward, used for axes (QDataItem is ignored)
+        LabelTop,
+        LabelLeft,
+        LabelRight
+    };
+
+public:
+    explicit Drawer(const Theme &theme, const QFont &font, QDataVis::LabelTransparency transparency);
+    ~Drawer();
+
+    void initializeOpenGL();
+
+    void setTheme(const Theme &theme);
+    void setFont(const QFont &font);
+    QFont font() const;
+    void setTransparency(QDataVis::LabelTransparency transparency);
+
+    void drawObject(ShaderHelper *shader, AbstractObjectHelper *object, GLuint textureId = 0,
+                    GLuint depthTextureId = 0);
+    void drawSurfaceGrid(ShaderHelper *shader, SurfaceObject *object);
+    void drawLabel(const AbstractRenderItem &item, const LabelItem &labelItem,
+                   const QMatrix4x4 &viewmatrix, const QMatrix4x4 &projectionmatrix,
+                   const QVector3D &positionComp, const QVector3D &rotation, GLfloat itemHeight,
+                   QDataVis::SelectionMode mode, ShaderHelper *shader, ObjectHelper *object,
+                   const Q3DCamera *camera,
+                   bool useDepth = false, bool rotateAlong = false,
+                   LabelPosition position = LabelOver,
+                   Qt::AlignmentFlag alignment = Qt::AlignCenter);
+
+    void generateSelectionLabelTexture(AbstractRenderItem *item);
+    void generateLabelItem(LabelItem &item, const QString &text, int widestLabel = 0);
+
+Q_SIGNALS:
+    void drawerChanged();
+
+private:
+    Theme m_theme;
+    QFont m_font;
+    QDataVis::LabelTransparency m_transparency;
+    TextureHelper *m_textureHelper;
+};
+
+QT_DATAVISUALIZATION_END_NAMESPACE
+
+#endif