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

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

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

            // data definitions
			HatchStyle								meStyle;
			double									mfDistance;
			double									mfAngle;
			basegfx::BColor							maColor;
            sal_uInt32                              mnMinimalDiscreteDistance;

			// bitfield
			unsigned								mbFillBackground : 1;

			ImpFillHatchAttribute(
                HatchStyle eStyle, 
                double fDistance, 
                double fAngle, 
                const basegfx::BColor& rColor, 
                sal_uInt32 nMinimalDiscreteDistance, 
                bool bFillBackground)
			:	mnRefCount(0),
			    meStyle(eStyle),
		    	mfDistance(fDistance),
			    mfAngle(fAngle),
			    maColor(rColor),
                mnMinimalDiscreteDistance(nMinimalDiscreteDistance),
			    mbFillBackground(bFillBackground)
            {
            }

			// data read access
			HatchStyle getStyle() const { return meStyle; }
			double getDistance() const { return mfDistance; }
			double getAngle() const { return mfAngle; }
			const basegfx::BColor& getColor() const { return maColor; }
            sal_uInt32 getMinimalDiscreteDistance() const { return mnMinimalDiscreteDistance; }
			bool isFillBackground() const { return mbFillBackground; }

			bool operator==(const ImpFillHatchAttribute& rCandidate) const
            {
			    return (getStyle() == rCandidate.getStyle()
                    && getDistance() == rCandidate.getDistance()
				    && getAngle() == rCandidate.getAngle()
				    && getColor() == rCandidate.getColor()
                    && getMinimalDiscreteDistance() == rCandidate.getMinimalDiscreteDistance()
				    && isFillBackground() == rCandidate.isFillBackground());
            }

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

                if(!pDefault)
                {
                    pDefault = new ImpFillHatchAttribute(
                        HATCHSTYLE_SINGLE,
                        0.0, 0.0,
                        basegfx::BColor(),
                        3, // same as VCL
                        false);

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

                return pDefault;
            }
		};

        FillHatchAttribute::FillHatchAttribute(
            HatchStyle eStyle, 
            double fDistance, 
            double fAngle, 
            const basegfx::BColor& rColor, 
            sal_uInt32 nMinimalDiscreteDistance, 
            bool bFillBackground)
		:	mpFillHatchAttribute(
                new ImpFillHatchAttribute(
                    eStyle, 
                    fDistance, 
                    fAngle, 
                    rColor, 
                    nMinimalDiscreteDistance,
                    bFillBackground))
		{
		}

		FillHatchAttribute::FillHatchAttribute()
        :	mpFillHatchAttribute(ImpFillHatchAttribute::get_global_default())
		{
			mpFillHatchAttribute->mnRefCount++;
		}

        FillHatchAttribute::FillHatchAttribute(const FillHatchAttribute& rCandidate)
		:	mpFillHatchAttribute(rCandidate.mpFillHatchAttribute)
		{
			mpFillHatchAttribute->mnRefCount++;
		}

		FillHatchAttribute::~FillHatchAttribute()
		{
			if(mpFillHatchAttribute->mnRefCount)
			{
				mpFillHatchAttribute->mnRefCount--;
			}
			else
			{
				delete mpFillHatchAttribute;
			}
		}

        bool FillHatchAttribute::isDefault() const
        {
            return mpFillHatchAttribute == ImpFillHatchAttribute::get_global_default();
        }

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

			return *this;
		}

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

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

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

		// data read access
		HatchStyle FillHatchAttribute::getStyle() const 
        { 
            return mpFillHatchAttribute->getStyle(); 
        }

		double FillHatchAttribute::getDistance() const 
        { 
            return mpFillHatchAttribute->getDistance(); 
        }

		double FillHatchAttribute::getAngle() const 
        { 
            return mpFillHatchAttribute->getAngle(); 
        }

		const basegfx::BColor& FillHatchAttribute::getColor() const 
        { 
            return mpFillHatchAttribute->getColor(); 
        }

        sal_uInt32 FillHatchAttribute::getMinimalDiscreteDistance() const
        {
            return mpFillHatchAttribute->getMinimalDiscreteDistance();
        }

		bool FillHatchAttribute::isFillBackground() const 
        { 
            return mpFillHatchAttribute->isFillBackground(); 
        }
    
    } // end of namespace attribute
} // end of namespace drawinglayer

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