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/***********************************************************************
    filename:   CEGUIFalStateImagery.h
    created:    Mon Jun 13 2005
    author:     Paul D Turner <paul@cegui.org.uk>
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUIFalStateImagery_h_
#define _CEGUIFalStateImagery_h_

#include "falagard/CEGUIFalLayerSpecification.h"
#include "CEGUIWindow.h"
#include <set>

#if defined(_MSC_VER)
#	pragma warning(push)
#	pragma warning(disable : 4251)
#endif

// Start of CEGUI namespace section
namespace CEGUI
{
    /*!
    \brief
        Class the encapsulates imagery for a given widget state.
    */
    class CEGUIEXPORT StateImagery
    {
    public:
        /*!
        \brief
            Constructor
        */
        StateImagery() {}

        /*!
        \brief
            Constructor

        \param name
            Name of the state
        */
        StateImagery(const String& name);

        /*!
        \brief
            Render imagery for this state.

        \param srcWindow
            Window to use when convering BaseDim values to pixels.

        \return
            Nothing.
        */
        void render(Window& srcWindow, const ColourRect* modcols = 0, const Rect* clipper = 0) const;

        /*!
        \brief
            Render imagery for this state.

        \param srcWindow
            Window to use when convering BaseDim values to pixels.

        \param baseRect
            Rect to use when convering BaseDim values to pixels.

        \return
            Nothing.
        */
        void render(Window& srcWindow, const Rect& baseRect, const ColourRect* modcols = 0, const Rect* clipper = 0) const;

        /*!
        \brief
            Add an imagery LayerSpecification to this state.

        \param layer
            LayerSpecification to be added to this state (will be copied)

        \return
            Nothing.
        */
        void addLayer(const LayerSpecification& layer);

        /*!
        \brief
            Removed all LayerSpecifications from this state.

        \return
            Nothing.
        */
        void clearLayers();

        /*!
        \brief
            Return the name of this state.

        \return
            String object holding the name of the StateImagery object.
        */
        const String& getName() const;

        /*!
        \brief
            Return whether this state imagery should be clipped to the display rather than the target window.

            Clipping to the display effectively implies that the imagery should be rendered unclipped.

        /return
            - true if the imagery will be clipped to the display area.
            - false if the imagery will be clipped to the target window area.
        */
        bool isClippedToDisplay() const;

        /*!
        \brief
            Set whether this state imagery should be clipped to the display rather than the target window.

            Clipping to the display effectively implies that the imagery should be rendered unclipped.

        \param setting
            - true if the imagery should be clipped to the display area.
            - false if the imagery should be clipped to the target window area.

        \return
            Nothing.
        */
        void setClippedToDisplay(bool setting);

        /*!
        \brief
            Writes an xml representation of this StateImagery to \a out_stream.

        \param xml_stream
            Stream where xml data should be output.


        \return
            Nothing.
        */
        void writeXMLToStream(XMLSerializer& xml_stream) const;

    private:
        typedef std::multiset<LayerSpecification> LayersList;

        CEGUI::String   d_stateName;    //!< Name of this state.
        LayersList      d_layers;       //!< Collection of LayerSpecification objects to be drawn for this state.
        bool            d_clipToDisplay; //!< true if Imagery for this state should be clipped to the display instead of winodw (effectively, not clipped).
    };

} // End of  CEGUI namespace section


#if defined(_MSC_VER)
#	pragma warning(pop)
#endif

#endif  // end of guard _CEGUIFalStateImagery_h_
CEGUIFalStateImagery.h
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