AOO410/main/svx/source/sdr/attribute/sdrformtextoutlineattribute.cxx

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 * 
 * 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
 * 
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 * 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
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#include "precompiled_svx.hxx"

#include <svx/sdr/attribute/sdrformtextoutlineattribute.hxx>
#include <drawinglayer/attribute/lineattribute.hxx>
#include <drawinglayer/attribute/strokeattribute.hxx>

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

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

            // one set of attributes for FormText (FontWork) outline visualisation
		    LineAttribute                       maLineAttribute;
		    StrokeAttribute                     maStrokeAttribute;
		    sal_uInt8                           mnTransparence;

			ImpSdrFormTextOutlineAttribute(
                const LineAttribute& rLineAttribute, 
                const StrokeAttribute& rStrokeAttribute,
                sal_uInt8 nTransparence)
			:	mnRefCount(0),
				maLineAttribute(rLineAttribute),
				maStrokeAttribute(rStrokeAttribute),
				mnTransparence(nTransparence)
			{
			}

			// data read access
            const LineAttribute& getLineAttribute() const { return maLineAttribute; }
            const StrokeAttribute& getStrokeAttribute() const { return maStrokeAttribute; }
            sal_uInt8 getTransparence() const { return mnTransparence; }

			// compare operator
			bool operator==(const ImpSdrFormTextOutlineAttribute& rCandidate) const
			{
				return (getLineAttribute() == rCandidate.getLineAttribute()
					&& getStrokeAttribute() == rCandidate.getStrokeAttribute()
					&& getTransparence() == rCandidate.getTransparence());
			}

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

                if(!pDefault)
                {
                    pDefault = new ImpSdrFormTextOutlineAttribute(
						LineAttribute(),
						StrokeAttribute(),
						0);

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

                return pDefault;
            }
        };

        SdrFormTextOutlineAttribute::SdrFormTextOutlineAttribute(
			const LineAttribute& rLineAttribute, 
            const StrokeAttribute& rStrokeAttribute,
            sal_uInt8 nTransparence)
		:	mpSdrFormTextOutlineAttribute(new ImpSdrFormTextOutlineAttribute(
				rLineAttribute, rStrokeAttribute, nTransparence))
		{
		}

		SdrFormTextOutlineAttribute::SdrFormTextOutlineAttribute()
        :	mpSdrFormTextOutlineAttribute(ImpSdrFormTextOutlineAttribute::get_global_default())
		{
			mpSdrFormTextOutlineAttribute->mnRefCount++;
		}

        SdrFormTextOutlineAttribute::SdrFormTextOutlineAttribute(const SdrFormTextOutlineAttribute& rCandidate)
		:	mpSdrFormTextOutlineAttribute(rCandidate.mpSdrFormTextOutlineAttribute)
		{
			mpSdrFormTextOutlineAttribute->mnRefCount++;
		}

		SdrFormTextOutlineAttribute::~SdrFormTextOutlineAttribute()
		{
			if(mpSdrFormTextOutlineAttribute->mnRefCount)
			{
				mpSdrFormTextOutlineAttribute->mnRefCount--;
			}
			else
			{
				delete mpSdrFormTextOutlineAttribute;
			}
		}

        bool SdrFormTextOutlineAttribute::isDefault() const
        {
            return mpSdrFormTextOutlineAttribute == ImpSdrFormTextOutlineAttribute::get_global_default();
        }

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

			return *this;
		}

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

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

			return (*rCandidate.mpSdrFormTextOutlineAttribute == *mpSdrFormTextOutlineAttribute);
		}
		
        const LineAttribute& SdrFormTextOutlineAttribute::getLineAttribute() const 
		{ 
			return mpSdrFormTextOutlineAttribute->getLineAttribute(); 
		}

		const StrokeAttribute& SdrFormTextOutlineAttribute::getStrokeAttribute() const 
		{ 
			return mpSdrFormTextOutlineAttribute->getStrokeAttribute(); 
		}

		sal_uInt8 SdrFormTextOutlineAttribute::getTransparence() const 
		{ 
			return mpSdrFormTextOutlineAttribute->getTransparence(); 
		}
	} // end of namespace attribute
} // end of namespace drawinglayer

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