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path: root/drawinglayer/source/attribute/sdrlinestartendattribute.cxx
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/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: sdrattribute.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/sdrlinestartendattribute.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>

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

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

            // line arrow definitions
            basegfx::B2DPolyPolygon					maStartPolyPolygon;		// start Line PolyPolygon
            basegfx::B2DPolyPolygon					maEndPolyPolygon;		// end Line PolyPolygon
            double									mfStartWidth;			// 1/100th mm
            double									mfEndWidth;				// 1/100th mm

            // bitfield
            unsigned								mbStartActive : 1L;		// start of Line is active
            unsigned								mbEndActive : 1L;		// end of Line is active
            unsigned								mbStartCentered : 1L;	// Line is centered on line start point
            unsigned								mbEndCentered : 1L;		// Line is centered on line end point
        
            ImpSdrLineStartEndAttribute(
                const basegfx::B2DPolyPolygon& rStartPolyPolygon, 
                const basegfx::B2DPolyPolygon& rEndPolyPolygon,
                double fStartWidth, 
                double fEndWidth, 
                bool bStartActive, 
                bool bEndActive, 
                bool bStartCentered, 
                bool bEndCentered)
            :	mnRefCount(0),
                maStartPolyPolygon(rStartPolyPolygon),
                maEndPolyPolygon(rEndPolyPolygon),
                mfStartWidth(fStartWidth),
                mfEndWidth(fEndWidth),
                mbStartActive(bStartActive),
                mbEndActive(bEndActive),
                mbStartCentered(bStartCentered),
                mbEndCentered(bEndCentered)
            {
            }

            // data read access
            const basegfx::B2DPolyPolygon& getStartPolyPolygon() const { return maStartPolyPolygon; }
            const basegfx::B2DPolyPolygon& getEndPolyPolygon() const { return maEndPolyPolygon; }
            double getStartWidth() const { return mfStartWidth; }
            double getEndWidth() const { return mfEndWidth; }
            bool isStartActive() const { return mbStartActive; }
            bool isEndActive() const { return mbEndActive; }
            bool isStartCentered() const { return mbStartCentered; }
            bool isEndCentered() const { return mbEndCentered; }

            bool operator==(const ImpSdrLineStartEndAttribute& rCandidate) const
            {
                return (getStartPolyPolygon() == rCandidate.getStartPolyPolygon()
                    && getEndPolyPolygon() == rCandidate.getEndPolyPolygon()
                    && getStartWidth() == rCandidate.getStartWidth()
                    && getEndWidth() == rCandidate.getEndWidth()
                    && isStartActive() == rCandidate.isStartActive()
                    && isEndActive() == rCandidate.isEndActive()
                    && isStartCentered() == rCandidate.isStartCentered()
                    && isEndCentered() == rCandidate.isEndCentered());
            }
            
            static ImpSdrLineStartEndAttribute* get_global_default()
            {
                static ImpSdrLineStartEndAttribute* pDefault = 0;

                if(!pDefault)
                {
                    pDefault = new ImpSdrLineStartEndAttribute(
                        basegfx::B2DPolyPolygon(), 
                        basegfx::B2DPolyPolygon(),
                        0.0, 
                        0.0, 
                        false, 
                        false, 
                        false, 
                        false);

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

                return pDefault;
            }
        };

        SdrLineStartEndAttribute::SdrLineStartEndAttribute(
            const basegfx::B2DPolyPolygon& rStartPolyPolygon, 
            const basegfx::B2DPolyPolygon& rEndPolyPolygon,
            double fStartWidth, 
            double fEndWidth, 
            bool bStartActive, 
            bool bEndActive, 
            bool bStartCentered, 
            bool bEndCentered)
        :	mpSdrLineStartEndAttribute(new ImpSdrLineStartEndAttribute(
                rStartPolyPolygon, rEndPolyPolygon, fStartWidth, fEndWidth, bStartActive, bEndActive, bStartCentered, bEndCentered))
        {
        }

        SdrLineStartEndAttribute::SdrLineStartEndAttribute()
        :	mpSdrLineStartEndAttribute(ImpSdrLineStartEndAttribute::get_global_default())
        {
            mpSdrLineStartEndAttribute->mnRefCount++;
        }

        SdrLineStartEndAttribute::SdrLineStartEndAttribute(const SdrLineStartEndAttribute& rCandidate)
        :	mpSdrLineStartEndAttribute(rCandidate.mpSdrLineStartEndAttribute)
        {
            mpSdrLineStartEndAttribute->mnRefCount++;
        }

        SdrLineStartEndAttribute::~SdrLineStartEndAttribute()
        {
            if(mpSdrLineStartEndAttribute->mnRefCount)
            {
                mpSdrLineStartEndAttribute->mnRefCount--;
            }
            else
            {
                delete mpSdrLineStartEndAttribute;
            }
        }

        bool SdrLineStartEndAttribute::isDefault() const
        {
            return mpSdrLineStartEndAttribute == ImpSdrLineStartEndAttribute::get_global_default();
        }

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

            return *this;
        }

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

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

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

        const basegfx::B2DPolyPolygon& SdrLineStartEndAttribute::getStartPolyPolygon() const 
        { 
            return mpSdrLineStartEndAttribute->getStartPolyPolygon(); 
        }

        const basegfx::B2DPolyPolygon& SdrLineStartEndAttribute::getEndPolyPolygon() const 
        { 
            return mpSdrLineStartEndAttribute->getEndPolyPolygon(); 
        }

        double SdrLineStartEndAttribute::getStartWidth() const 
        { 
            return mpSdrLineStartEndAttribute->getStartWidth(); 
        }

        double SdrLineStartEndAttribute::getEndWidth() const 
        { 
            return mpSdrLineStartEndAttribute->getEndWidth(); 
        }

        bool SdrLineStartEndAttribute::isStartActive() const 
        { 
            return mpSdrLineStartEndAttribute->isStartActive(); 
        }

        bool SdrLineStartEndAttribute::isEndActive() const 
        { 
            return mpSdrLineStartEndAttribute->isEndActive(); 
        }

        bool SdrLineStartEndAttribute::isStartCentered() const 
        { 
            return mpSdrLineStartEndAttribute->isStartCentered(); 
        }

        bool SdrLineStartEndAttribute::isEndCentered() const 
        { 
            return mpSdrLineStartEndAttribute->isEndCentered(); 
        }
    } // end of namespace attribute
} // end of namespace drawinglayer

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