/**************************************************************
 * 
 * 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/sdrlineattribute.hxx>
#include <basegfx/color/bcolor.hxx>

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

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

			// line definitions
			basegfx::B2DLineJoin				    meJoin;				// B2DLINEJOIN_* defines
			double									mfWidth;			// 1/100th mm, 0.0==hair
			double									mfTransparence;		// [0.0 .. 1.0], 0.0==no transp.
			basegfx::BColor							maColor;			// color of line
            com::sun::star::drawing::LineCap        meCap;              // BUTT, ROUND, or SQUARE
			::std::vector< double >					maDotDashArray;		// array of double which defines the dot-dash pattern
			double									mfFullDotDashLen;	// sum of maDotDashArray (for convenience)

            ImpSdrLineAttribute(
				basegfx::B2DLineJoin eJoin, 
                double fWidth, 
                double fTransparence, 
                const basegfx::BColor& rColor, 
                com::sun::star::drawing::LineCap eCap,
				const ::std::vector< double >& rDotDashArray, 
                double fFullDotDashLen)
			:	mnRefCount(0),
		    	meJoin(eJoin),
			    mfWidth(fWidth),
			    mfTransparence(fTransparence),
			    maColor(rColor),
                meCap(eCap),
			    maDotDashArray(rDotDashArray),
			    mfFullDotDashLen(fFullDotDashLen)
		    {
		    }

            ImpSdrLineAttribute(const basegfx::BColor& rColor)
			:	mnRefCount(0),
		    	meJoin(basegfx::B2DLINEJOIN_NONE),
			    mfWidth(0.0),
			    mfTransparence(0.0),
			    maColor(rColor),
                meCap(com::sun::star::drawing::LineCap_BUTT),
			    maDotDashArray(),
			    mfFullDotDashLen(0.0)
            {
            }
			
			// data read access
			basegfx::B2DLineJoin getJoin() const { return meJoin; }
			double getWidth() const { return mfWidth; }
			double getTransparence() const { return mfTransparence; }
			const basegfx::BColor& getColor() const { return maColor; }
            com::sun::star::drawing::LineCap getCap() const { return meCap; }
			const ::std::vector< double >& getDotDashArray() const { return maDotDashArray; }
			double getFullDotDashLen() const { return mfFullDotDashLen; }

            bool operator==(const ImpSdrLineAttribute& rCandidate) const
		    {
			    return (getJoin() == rCandidate.getJoin()
				    && getWidth() == rCandidate.getWidth()
				    && getTransparence() == rCandidate.getTransparence()
				    && getColor() == rCandidate.getColor()
                    && getCap() == rCandidate.getCap()
				    && getDotDashArray() == rCandidate.getDotDashArray());
		    }

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

                if(!pDefault)
                {
                    pDefault = new ImpSdrLineAttribute(
			            basegfx::B2DLINEJOIN_ROUND, 
                        0.0, 
                        0.0, 
                        basegfx::BColor(),
                        com::sun::star::drawing::LineCap_BUTT,
			            std::vector< double >(), 
                        0.0);

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

                return pDefault;
            }
		};

        SdrLineAttribute::SdrLineAttribute(
			basegfx::B2DLineJoin eJoin, 
            double fWidth, 
            double fTransparence, 
            const basegfx::BColor& rColor, 
            com::sun::star::drawing::LineCap eCap,
			const ::std::vector< double >& rDotDashArray, 
            double fFullDotDashLen)
		:	mpSdrLineAttribute(
                new ImpSdrLineAttribute(
                    eJoin, 
                    fWidth, 
                    fTransparence, 
                    rColor, 
                    eCap,
                    rDotDashArray, 
                    fFullDotDashLen))
		{
		}

        SdrLineAttribute::SdrLineAttribute(
            const basegfx::BColor& rColor)
		:	mpSdrLineAttribute(
                new ImpSdrLineAttribute(
                    rColor))
        {
        }

		SdrLineAttribute::SdrLineAttribute()
        :	mpSdrLineAttribute(ImpSdrLineAttribute::get_global_default())
		{
			mpSdrLineAttribute->mnRefCount++;
		}

        SdrLineAttribute::SdrLineAttribute(const SdrLineAttribute& rCandidate)
		:	mpSdrLineAttribute(rCandidate.mpSdrLineAttribute)
		{
			mpSdrLineAttribute->mnRefCount++;
		}

		SdrLineAttribute::~SdrLineAttribute()
		{
			if(mpSdrLineAttribute->mnRefCount)
			{
				mpSdrLineAttribute->mnRefCount--;
			}
			else
			{
				delete mpSdrLineAttribute;
			}
		}

        bool SdrLineAttribute::isDefault() const
        {
            return mpSdrLineAttribute == ImpSdrLineAttribute::get_global_default();
        }

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

			return *this;
		}

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

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

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

		basegfx::B2DLineJoin SdrLineAttribute::getJoin() const 
        { 
            return mpSdrLineAttribute->getJoin(); 
        }

		double SdrLineAttribute::getWidth() const 
        { 
            return mpSdrLineAttribute->getWidth(); 
        }

		double SdrLineAttribute::getTransparence() const 
        { 
            return mpSdrLineAttribute->getTransparence(); 
        }

		const basegfx::BColor& SdrLineAttribute::getColor() const 
        { 
            return mpSdrLineAttribute->getColor(); 
        }

		const ::std::vector< double >& SdrLineAttribute::getDotDashArray() const 
        { 
            return mpSdrLineAttribute->getDotDashArray(); 
        }

		double SdrLineAttribute::getFullDotDashLen() const 
        { 
            return mpSdrLineAttribute->getFullDotDashLen(); 
        }

		bool SdrLineAttribute::isDashed() const 
        { 
            return (0L != getDotDashArray().size()); 
        }

        com::sun::star::drawing::LineCap SdrLineAttribute::getCap() const
        {
            return mpSdrLineAttribute->getCap();
        }

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

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