/**************************************************************
 * 
 * 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/sdrlightattribute3d.hxx>
#include <basegfx/color/bcolor.hxx>
#include <basegfx/vector/b3dvector.hxx>

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

namespace drawinglayer
{
	namespace attribute
	{
		class ImpSdr3DLightAttribute
		{
		public:
			// refcounter
			sal_uInt32								mnRefCount;

			// 3D light attribute definitions
			basegfx::BColor							maColor;
			basegfx::B3DVector						maDirection;

			// bitfield
			unsigned								mbSpecular : 1;

			ImpSdr3DLightAttribute(
			    const basegfx::BColor& rColor, 
			    const basegfx::B3DVector& rDirection, 
			    bool bSpecular)
			:	mnRefCount(0),
		    	maColor(rColor),
			    maDirection(rDirection),
			    mbSpecular(bSpecular)
		    {
		    }

			// data read access
			const basegfx::BColor& getColor() const { return maColor; }
			const basegfx::B3DVector& getDirection() const { return maDirection; }
			bool getSpecular() const { return mbSpecular; }

			bool operator==(const ImpSdr3DLightAttribute& rCandidate) const
            {
			    return (getColor() == rCandidate.getColor()
				    && getDirection() == rCandidate.getDirection()
				    && getSpecular() == rCandidate.getSpecular());
            }
            
            static ImpSdr3DLightAttribute* get_global_default()
            {
                static ImpSdr3DLightAttribute* pDefault = 0;

                if(!pDefault)
                {
                    pDefault = new ImpSdr3DLightAttribute(
			            basegfx::BColor(),
			            basegfx::B3DVector(),
			            false);

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

                return pDefault;
            }
		};

        Sdr3DLightAttribute::Sdr3DLightAttribute(
			const basegfx::BColor& rColor, 
			const basegfx::B3DVector& rDirection, 
			bool bSpecular)
		:	mpSdr3DLightAttribute(new ImpSdr3DLightAttribute(
                rColor, rDirection, bSpecular))
		{
		}

		Sdr3DLightAttribute::Sdr3DLightAttribute()
        :	mpSdr3DLightAttribute(ImpSdr3DLightAttribute::get_global_default())
		{
			mpSdr3DLightAttribute->mnRefCount++;
		}

        Sdr3DLightAttribute::Sdr3DLightAttribute(const Sdr3DLightAttribute& rCandidate)
		:	mpSdr3DLightAttribute(rCandidate.mpSdr3DLightAttribute)
		{
			mpSdr3DLightAttribute->mnRefCount++;
		}

		Sdr3DLightAttribute::~Sdr3DLightAttribute()
		{
			if(mpSdr3DLightAttribute->mnRefCount)
			{
				mpSdr3DLightAttribute->mnRefCount--;
			}
			else
			{
				delete mpSdr3DLightAttribute;
			}
		}

        bool Sdr3DLightAttribute::isDefault() const
        {
            return mpSdr3DLightAttribute == ImpSdr3DLightAttribute::get_global_default();
        }

        Sdr3DLightAttribute& Sdr3DLightAttribute::operator=(const Sdr3DLightAttribute& rCandidate)
		{
			if(rCandidate.mpSdr3DLightAttribute != mpSdr3DLightAttribute)
			{
				if(mpSdr3DLightAttribute->mnRefCount)
				{
					mpSdr3DLightAttribute->mnRefCount--;
				}
				else
				{
					delete mpSdr3DLightAttribute;
				}
				
				mpSdr3DLightAttribute = rCandidate.mpSdr3DLightAttribute;
				mpSdr3DLightAttribute->mnRefCount++;
			}

			return *this;
		}

		bool Sdr3DLightAttribute::operator==(const Sdr3DLightAttribute& rCandidate) const
		{
			if(rCandidate.mpSdr3DLightAttribute == mpSdr3DLightAttribute)
			{
				return true;
			}

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

			return (*rCandidate.mpSdr3DLightAttribute == *mpSdr3DLightAttribute);
		}

		const basegfx::BColor& Sdr3DLightAttribute::getColor() const 
        { 
            return mpSdr3DLightAttribute->getColor(); 
        }

		const basegfx::B3DVector& Sdr3DLightAttribute::getDirection() const 
        { 
            return mpSdr3DLightAttribute->getDirection(); 
        }

		bool Sdr3DLightAttribute::getSpecular() const 
        { 
            return mpSdr3DLightAttribute->getSpecular(); 
        }

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

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