/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

// 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