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diff --git a/gerbview/class_gbr_layout.h b/gerbview/class_gbr_layout.h
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+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2012-2014 Jean-Pierre Charras  jp.charras at wanadoo.fr
+ * Copyright (C) 1992-2014 KiCad Developers, see change_log.txt for contributors.
+ *
+ * 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, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+/**
+ * @file class_gbr_layout.h
+ * @brief Class CLASS_GBR_LAYOUT to handle info to draw/print loaded Gerber images
+ * and page frame reference
+ */
+
+#ifndef CLASS_GBR_LAYOUT_H
+#define CLASS_GBR_LAYOUT_H
+
+
+#include <dlist.h>
+
+#include <class_colors_design_settings.h>
+#include <common.h>                         // PAGE_INFO
+#include <gerbview.h>                       // GERBER_DRAWLAYERS_COUNT
+#include <class_title_block.h>
+#include <class_gerber_draw_item.h>
+
+#include <gr_basic.h>
+
+/**
+ * Class GBR_LAYOUT
+ * holds list of GERBER_DRAW_ITEM currently loaded.
+ */
+class GBR_LAYOUT
+{
+private:
+    EDA_RECT            m_BoundingBox;
+    TITLE_BLOCK         m_titles;
+    wxPoint             m_originAxisPosition;
+    std::bitset <GERBER_DRAWLAYERS_COUNT> m_printLayersMask; // When printing: the list of layers to print
+public:
+
+    DLIST<GERBER_DRAW_ITEM> m_Drawings;     // linked list of Gerber Items to draw
+
+    GBR_LAYOUT();
+    ~GBR_LAYOUT();
+
+    const wxPoint&      GetAuxOrigin() const
+    {
+        return m_originAxisPosition;
+    }
+
+    void SetAuxOrigin( const wxPoint& aPosition )
+    {
+        m_originAxisPosition = aPosition;
+    }
+
+    TITLE_BLOCK& GetTitleBlock()
+    {
+        return m_titles;
+    }
+
+    void SetTitleBlock( const TITLE_BLOCK& aTitleBlock )
+    {
+        m_titles = aTitleBlock;
+    }
+
+    /**
+     * Function ComputeBoundingBox
+     * calculates the bounding box containing all Gerber items.
+     * @return EDA_RECT - the full item list bounding box
+     */
+    EDA_RECT ComputeBoundingBox();
+
+    /**
+     * Function GetBoundingBox
+     * may be called soon after ComputeBoundingBox() to return the same EDA_RECT,
+     * as long as the CLASS_GBR_LAYOUT has not changed.
+     */
+    EDA_RECT GetBoundingBox() const { return m_BoundingBox; }    // override
+
+    void SetBoundingBox( const EDA_RECT& aBox ) { m_BoundingBox = aBox; }
+
+    /**
+     * Function Draw.
+     * Redraw the CLASS_GBR_LAYOUT items but not cursors, axis or grid.
+     * @param aPanel = the panel relative to the board
+     * @param aDC = the current device context
+     * @param aDrawMode = GR_COPY, GR_OR ... (not always used)
+     * @param aOffset = an draw offset value
+     * @param aPrintBlackAndWhite = true to force black and white insdeat of color
+     *        useful only to print/plot gebview layers
+     */
+    void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
+               GR_DRAWMODE aDrawMode, const wxPoint& aOffset,
+               bool aPrintBlackAndWhite = false );
+    /**
+     * Function SetPrintableLayers
+     * changes the list of printable layers
+     * @param aLayerMask = The new bit-mask of printable layers
+     */
+    void SetPrintableLayers( const std::bitset <GERBER_DRAWLAYERS_COUNT>& aLayerMask  )
+    {
+        m_printLayersMask = aLayerMask;
+    }
+
+    /**
+     * Function GetPrintableLayers
+     * @return the bit-mask of printable layers
+     */
+    std::bitset <GERBER_DRAWLAYERS_COUNT> GetPrintableLayers()
+    {
+        return m_printLayersMask;
+    }
+
+     /**
+     * Function IsLayerPrintable
+     * tests whether a given layer is visible
+     * @param aLayer = The layer to be tested
+     * @return bool - true if the layer is visible.
+     */
+    bool    IsLayerPrintable( int aLayer ) const
+    {
+        return m_printLayersMask[ aLayer ];
+    }
+
+#if defined(DEBUG)
+    void    Show( int nestLevel, std::ostream& os ) const;  // overload
+
+#endif
+};
+
+#endif      // #ifndef CLASS_GBR_LAYOUT_H