/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: sdrattribute3d.cxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: aw $ $Date: 2008-05-27 14:11:19 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library 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
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/attribute/sdrsceneattribute3d.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace attribute
	{
		class ImpSdrSceneAttribute
		{
		public:
			// refcounter
			sal_uInt32								mnRefCount;

			// 3D scene attribute definitions
			double										mfDistance;
			double										mfShadowSlant;
			::com::sun::star::drawing::ProjectionMode	maProjectionMode;
			::com::sun::star::drawing::ShadeMode		maShadeMode;

			// bitfield
			unsigned									mbTwoSidedLighting : 1;

		public:
			ImpSdrSceneAttribute(
				double fDistance,
				double fShadowSlant,
				::com::sun::star::drawing::ProjectionMode aProjectionMode,
				::com::sun::star::drawing::ShadeMode aShadeMode,
				bool bTwoSidedLighting)
			:	mnRefCount(0),
		    	mfDistance(fDistance),
			    mfShadowSlant(fShadowSlant),
			    maProjectionMode(aProjectionMode),
			    maShadeMode(aShadeMode),
			    mbTwoSidedLighting(bTwoSidedLighting)
		    {
		    }

			// data read access
			double getDistance() const { return mfDistance; }
			double getShadowSlant() const { return mfShadowSlant; }
			::com::sun::star::drawing::ProjectionMode getProjectionMode() const { return maProjectionMode; }
			::com::sun::star::drawing::ShadeMode getShadeMode() const { return maShadeMode; }
			bool getTwoSidedLighting() const { return mbTwoSidedLighting; }

			bool operator==(const ImpSdrSceneAttribute& rCandidate) const
		    {
			    return (getDistance() == rCandidate.getDistance()
				    && getShadowSlant() == rCandidate.getShadowSlant()
				    && getProjectionMode() == rCandidate.getProjectionMode()
				    && getShadeMode() == rCandidate.getShadeMode()
				    && getTwoSidedLighting() == rCandidate.getTwoSidedLighting());
		    }

            static ImpSdrSceneAttribute* get_global_default()
            {
                static ImpSdrSceneAttribute* pDefault = 0;

                if(!pDefault)
                {
                    pDefault = new ImpSdrSceneAttribute(
			            0.0, 0.0,
			            ::com::sun::star::drawing::ProjectionMode_PARALLEL,
			            ::com::sun::star::drawing::ShadeMode_FLAT,
			            false);

                    // never delete; start with RefCount 1, not 0
    			    pDefault->mnRefCount++;
                }

                return pDefault;
            }
		};

        SdrSceneAttribute::SdrSceneAttribute(
			double fDistance,
			double fShadowSlant,
			::com::sun::star::drawing::ProjectionMode aProjectionMode,
			::com::sun::star::drawing::ShadeMode aShadeMode,
			bool bTwoSidedLighting)
		:	mpSdrSceneAttribute(new ImpSdrSceneAttribute(
                fDistance, fShadowSlant, aProjectionMode, aShadeMode, bTwoSidedLighting))
		{
		}

		SdrSceneAttribute::SdrSceneAttribute()
        :	mpSdrSceneAttribute(ImpSdrSceneAttribute::get_global_default())
		{
			mpSdrSceneAttribute->mnRefCount++;
		}

        SdrSceneAttribute::SdrSceneAttribute(const SdrSceneAttribute& rCandidate)
		:	mpSdrSceneAttribute(rCandidate.mpSdrSceneAttribute)
		{
			mpSdrSceneAttribute->mnRefCount++;
		}

		SdrSceneAttribute::~SdrSceneAttribute()
		{
			if(mpSdrSceneAttribute->mnRefCount)
			{
				mpSdrSceneAttribute->mnRefCount--;
			}
			else
			{
				delete mpSdrSceneAttribute;
			}
		}

        bool SdrSceneAttribute::isDefault() const
        {
            return mpSdrSceneAttribute == ImpSdrSceneAttribute::get_global_default();
        }

        SdrSceneAttribute& SdrSceneAttribute::operator=(const SdrSceneAttribute& rCandidate)
		{
			if(rCandidate.mpSdrSceneAttribute != mpSdrSceneAttribute)
			{
				if(mpSdrSceneAttribute->mnRefCount)
				{
					mpSdrSceneAttribute->mnRefCount--;
				}
				else
				{
					delete mpSdrSceneAttribute;
				}
				
				mpSdrSceneAttribute = rCandidate.mpSdrSceneAttribute;
				mpSdrSceneAttribute->mnRefCount++;
			}

			return *this;
		}

		bool SdrSceneAttribute::operator==(const SdrSceneAttribute& rCandidate) const
		{
			if(rCandidate.mpSdrSceneAttribute == mpSdrSceneAttribute)
			{
				return true;
			}

			if(rCandidate.isDefault() != isDefault())
			{
				return false;
			}

			return (*rCandidate.mpSdrSceneAttribute == *mpSdrSceneAttribute);
		}

		double SdrSceneAttribute::getDistance() const 
        { 
            return mpSdrSceneAttribute->getDistance(); 
        }

		double SdrSceneAttribute::getShadowSlant() const 
        { 
            return mpSdrSceneAttribute->getShadowSlant(); 
        }

		::com::sun::star::drawing::ProjectionMode SdrSceneAttribute::getProjectionMode() const 
        { 
            return mpSdrSceneAttribute->getProjectionMode(); 
        }

		::com::sun::star::drawing::ShadeMode SdrSceneAttribute::getShadeMode() const 
        { 
            return mpSdrSceneAttribute->getShadeMode(); 
        }

		bool SdrSceneAttribute::getTwoSidedLighting() const 
        { 
            return mpSdrSceneAttribute->getTwoSidedLighting(); 
        }

    } // end of namespace attribute
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof
