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diff --git a/chalk/core/kis_datamanager.h b/chalk/core/kis_datamanager.h
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+++ b/chalk/core/kis_datamanager.h
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+/*
+ *  Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.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_DATAMANAGER_H_
+#define KIS_DATAMANAGER_H_
+
+#include <tqglobal.h>
+#include <tqvaluevector.h>
+#include <tqrect.h>
+
+class KoStore;
+
+
+// Change the following two lines to switch (at compiletime) to another datamanager
+#include "tiles/kis_tileddatamanager.h"
+#define ACTUAL_DATAMGR KisTiledDataManager
+
+/**
+ * KisDataManager defines the interface that modules responsible for
+ * storing and retrieving data must inmplement. Data modules, like
+ * the tile manager, are responsible for:
+ *
+ * * Storing undo/redo data
+ * * Offering ordererd and unordered iterators over rects of pixels
+ * * (eventually) efficiently loading and saving data in a format
+ * that may allow deferred loading.
+ *
+ * A datamanager knows nothing about the type of pixel data except
+ * how many TQ_UINT8's a single pixel takes.
+ */
+class KisDataManager : public ACTUAL_DATAMGR {
+
+public:
+    KisDataManager(TQ_UINT32 pixelSize, const TQ_UINT8 *defPixel) : ACTUAL_DATAMGR(pixelSize, defPixel) {}
+    KisDataManager(const KisDataManager& dm) : ACTUAL_DATAMGR(dm) { }
+
+public:
+    /**
+     * Sets the default pixel. Note that this might change every occurrance, and it might not, but new data
+     * well be initialised with this pixel
+     */
+    inline void setDefaultPixel(const TQ_UINT8 *defPixel) { return ACTUAL_DATAMGR::setDefaultPixel(defPixel); }
+
+    /**
+     * Gets the default pixel.
+     */
+     inline const TQ_UINT8 *defaultPixel() const { return ACTUAL_DATAMGR::defaultPixel(); }
+
+    /**
+     * Reguests a memento from the data manager. There is only one memento active
+     * at any given moment for a given paint device and all and any
+     * write actions on the datamanger builds undo data into this memento
+     * necessary to rollback the transaction.
+     */
+    inline KisMementoSP getMemento() { return ACTUAL_DATAMGR::getMemento(); }
+
+    /**
+     * Restores the image data to the state at the time of the getMemento() call.
+     *
+     * Note that rollback should be performed with mementos in the reverse order of
+     * their creation, as mementos only store incremental changes
+     */
+    inline void rollback(KisMementoSP memento) { ACTUAL_DATAMGR::rollback(memento); }
+
+    /**
+     * Restores the image data to the state at the time of the rollback call of the memento.
+     *
+     * Note that rollforward must only be called when an rollback have previously been performed, and
+     * no intermittent actions have been performed (though it's ok to rollback other mementos and
+     * roll them forward again)
+     */
+    inline void rollforward(KisMementoSP memento) { ACTUAL_DATAMGR::rollforward(memento); }
+
+public:
+    /**
+     * Reads and writes the tiles from/onto a KoStore (wich is simply a file within a zip file)
+     *
+     */
+    inline bool write(KoStore *store) { return ACTUAL_DATAMGR::write(store); }
+    inline bool read(KoStore *store) { return ACTUAL_DATAMGR::read(store); }
+
+public:
+
+    /**
+     * Returns the number of bytes a pixel takes
+     */
+    inline TQ_UINT32 pixelSize() { return ACTUAL_DATAMGR::pixelSize(); }
+
+    /**
+     * Return the extent of the data in x,y,w,h.
+     */
+    inline void extent(TQ_INT32 &x, TQ_INT32 &y, TQ_INT32 &w, TQ_INT32 &h) const
+                         { return ACTUAL_DATAMGR::extent(x, y, w, h); }
+
+     TQRect extent() const { return ACTUAL_DATAMGR::extent(); }
+
+
+public:
+
+    /**
+      * Crop or extend the data to x, y, w, h.
+      */
+    inline void setExtent(TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h)
+                         { return ACTUAL_DATAMGR::setExtent(x, y, w, h); }
+
+    inline void setExtent(const TQRect & rect) { setExtent(rect.x(), rect.y(), rect.width(), rect.height()); }
+
+public:
+
+    /**
+     * Clear the specified rect to the specified value.
+     */
+    inline void clear(TQ_INT32 x, TQ_INT32 y,
+           TQ_INT32 w, TQ_INT32 h,
+           TQ_UINT8 def) { ACTUAL_DATAMGR::clear(x, y, w, h, def); }
+
+    /**
+     * Clear the specified rect to the specified pixel value.
+     */
+    inline void clear(TQ_INT32 x, TQ_INT32 y,
+           TQ_INT32 w, TQ_INT32 h,
+           const TQ_UINT8 * def) { ACTUAL_DATAMGR::clear(x, y, w, h, def); }
+
+    /**
+     * Clear all back to default values.
+     */
+    inline void clear() { ACTUAL_DATAMGR::clear(); }
+
+
+public:
+
+    /**
+     * Copy the specified rect from the specified data into this
+     * data.
+     */
+    inline void paste(KisDataManagerSP data,  TQ_INT32 sx, TQ_INT32 sy, TQ_INT32 dx, TQ_INT32 dy,
+           TQ_INT32 w, TQ_INT32 h) { ACTUAL_DATAMGR::paste(data, sx, sy, dx, dy, w, h); }
+
+public:
+    /**
+     * Get a read-only pointer to the specified pixel.
+     */
+    inline KDE_DEPRECATED const TQ_UINT8* pixel(TQ_INT32 x, TQ_INT32 y)
+          { return ACTUAL_DATAMGR::pixel(x, y); }
+
+    /**
+     * Get a read-write pointer to the specified pixel.
+     */
+    inline KDE_DEPRECATED TQ_UINT8* writablePixel(TQ_INT32 x, TQ_INT32 y)
+          { return ACTUAL_DATAMGR::writablePixel(x, y); }
+
+    /**
+     * Write the specified data to x, y. There is no checking on pixelSize!
+     */
+    inline void setPixel(TQ_INT32 x, TQ_INT32 y, const TQ_UINT8 * data)
+        { ACTUAL_DATAMGR::setPixel(x, y, data);}
+
+
+     /**
+      * Copy the bytes in the specified rect to a chunk of memory.
+      * The pixelSize in bytes is w * h * pixelSize. XXX: Better
+      * use TQValueVector?
+      */
+     inline void readBytes(TQ_UINT8 * data,
+               TQ_INT32 x, TQ_INT32 y,
+               TQ_INT32 w, TQ_INT32 h)
+        { ACTUAL_DATAMGR::readBytes(data, x, y, w, h);}
+
+     /**
+     * Copy the bytes to the specified rect. w * h * pixelSize bytes will be read, whether
+     * the caller prepared them or not. XXX: Better use TQValueVector?
+      */
+     inline void writeBytes(const TQ_UINT8 * data,
+             TQ_INT32 x, TQ_INT32 y,
+             TQ_INT32 w, TQ_INT32 h)
+        {ACTUAL_DATAMGR::writeBytes( data, x, y, w, h); }
+
+    // Get the number of contiguous columns starting at x, valid for all values
+    // of y between minY and maxY.
+    inline TQ_INT32 numContiguousColumns(TQ_INT32 x, TQ_INT32 minY, TQ_INT32 maxY)
+        { return ACTUAL_DATAMGR::numContiguousColumns(x, minY, maxY); }
+
+
+    // Get the number of contiguous rows starting at y, valid for all values
+    // of x between minX and maxX.
+    inline TQ_INT32 numContiguousRows(TQ_INT32 y, TQ_INT32 minX, TQ_INT32 maxX)
+        { return ACTUAL_DATAMGR::numContiguousRows(y, minX, maxX); }
+
+
+    // Get the row stride at pixel (x, y). This is the number of bytes to add to a
+    // pointer to pixel (x, y) to access (x, y + 1).
+    inline TQ_INT32 rowStride(TQ_INT32 x, TQ_INT32 y)
+        { return ACTUAL_DATAMGR::rowStride(x, y); }
+
+protected:
+    friend class KisRectIterator;
+    friend class KisHLineIterator;
+    friend class KisVLineIterator;
+};
+
+
+#endif // KIS_DATAMANAGER_H_
+