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diff --git a/krita/ui/kis_ruler.h b/krita/ui/kis_ruler.h
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+++ b/krita/ui/kis_ruler.h
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+/*
+ * Kivio - Visual Modelling and Flowcharting
+ * Copyright (C) 2000-2001 theKompany.com & Dave Marotti
+ * Copyright (C) 2002 Patrick Julien <freak@codepimps.org>
+ *
+ * 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 KIS_RULER_H_
+#define KIS_RULER_H_
+
+#include <qframe.h>
+#include <qpixmap.h>
+#include <KoUnit.h>
+
+// XXX: Make this look more like the KOffice ruler -- the KOffice
+// ruler is not quite suited to Krita. Also: start units with 0,
+// print every 100 units.
+
+#define RULER_THICKNESS 20
+
+class QPainter;
+
+class KisRuler : public QFrame {
+    Q_OBJECT
+    typedef QFrame super;
+
+public:
+    KisRuler(Qt::Orientation, QWidget *parent = 0, const char *name = 0);
+    virtual ~KisRuler();
+
+public:
+    KoUnit::Unit unit() const;
+
+public slots:
+    void setZoom(double zoom);
+    void updatePointer(Q_INT32 x, Q_INT32 y);
+    void updateVisibleArea(Q_INT32 xpos, Q_INT32 ypos);
+    void setUnit(KoUnit::Unit u);
+    void hide();
+    void show();
+
+protected:
+    virtual void paintEvent(QPaintEvent *e);
+    virtual void resizeEvent(QResizeEvent *e);
+    virtual void styleChange(QStyle& oldStyle);
+    virtual void paletteChange(const QPalette& oldPalette);
+
+    void recalculateSize();
+    void drawRuler();
+    void initMarker(Q_INT32 w, Q_INT32 h);
+    void drawNums(QPainter *gc, Q_INT32 x, Q_INT32 y, QString& num, bool orientationHoriz);
+
+private:
+    KoUnit::Unit m_unit;
+    Qt::Orientation m_orientation;
+    Q_INT32 m_firstVisible;
+    Q_INT32 m_currentPosition;
+    QPixmap *m_pixmapBuffer;
+    QPixmap m_pixmapMarker;
+    QPixmap m_pixmapNums;
+    double m_zoom;
+
+private:
+    static const char *m_nums[];
+};
+
+#endif // KIS_RULER_H_
+