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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_drawinglayer.hxx"
30 
31 #include <drawinglayer/attribute/strokeattribute.hxx>
32 #include <numeric>
33 
34 //////////////////////////////////////////////////////////////////////////////
35 
36 namespace drawinglayer
37 {
38 	namespace attribute
39 	{
40 		class ImpStrokeAttribute
41 		{
42         public:
43 		    // refcounter
44 		    sal_uInt32								mnRefCount;
45 
46             // data definitions
47 			::std::vector< double >						maDotDashArray;			// array of double which defines the dot-dash pattern
48 			double										mfFullDotDashLen;		// sum of maDotDashArray (for convenience)
49 
50 			ImpStrokeAttribute(
51 				const ::std::vector< double >& rDotDashArray,
52 				double fFullDotDashLen)
53 		    :	mnRefCount(0),
54 				maDotDashArray(rDotDashArray),
55 				mfFullDotDashLen(fFullDotDashLen)
56 			{
57 			}
58 
59 			// data read access
60 			const ::std::vector< double >& getDotDashArray() const { return maDotDashArray; }
61             double getFullDotDashLen() const
62             {
63                 if(0.0 == mfFullDotDashLen && maDotDashArray.size())
64                 {
65                     // calculate length on demand
66                     const double fAccumulated(::std::accumulate(maDotDashArray.begin(), maDotDashArray.end(), 0.0));
67                     const_cast< ImpStrokeAttribute* >(this)->mfFullDotDashLen = fAccumulated;
68                 }
69 
70                 return mfFullDotDashLen;
71             }
72 
73             bool operator==(const ImpStrokeAttribute& rCandidate) const
74 			{
75 				return (getDotDashArray() == rCandidate.getDotDashArray()
76                     && getFullDotDashLen() == rCandidate.getFullDotDashLen());
77 			}
78 
79             static ImpStrokeAttribute* get_global_default()
80             {
81                 static ImpStrokeAttribute* pDefault = 0;
82 
83                 if(!pDefault)
84                 {
85                     pDefault = new ImpStrokeAttribute(
86 			            std::vector< double >(),
87 			            0.0);
88 
89                     // never delete; start with RefCount 1, not 0
90     			    pDefault->mnRefCount++;
91                 }
92 
93                 return pDefault;
94             }
95 		};
96 
97         StrokeAttribute::StrokeAttribute(
98 			const ::std::vector< double >& rDotDashArray,
99 			double fFullDotDashLen)
100 		:	mpStrokeAttribute(new ImpStrokeAttribute(
101                 rDotDashArray, fFullDotDashLen))
102 		{
103 		}
104 
105 		StrokeAttribute::StrokeAttribute()
106         :	mpStrokeAttribute(ImpStrokeAttribute::get_global_default())
107 		{
108 			mpStrokeAttribute->mnRefCount++;
109 		}
110 
111         StrokeAttribute::StrokeAttribute(const StrokeAttribute& rCandidate)
112 		:	mpStrokeAttribute(rCandidate.mpStrokeAttribute)
113 		{
114 			mpStrokeAttribute->mnRefCount++;
115 		}
116 
117 		StrokeAttribute::~StrokeAttribute()
118 		{
119 			if(mpStrokeAttribute->mnRefCount)
120 			{
121 				mpStrokeAttribute->mnRefCount--;
122 			}
123 			else
124 			{
125 				delete mpStrokeAttribute;
126 			}
127 		}
128 
129         bool StrokeAttribute::isDefault() const
130         {
131             return mpStrokeAttribute == ImpStrokeAttribute::get_global_default();
132         }
133 
134         StrokeAttribute& StrokeAttribute::operator=(const StrokeAttribute& rCandidate)
135 		{
136 			if(rCandidate.mpStrokeAttribute != mpStrokeAttribute)
137 			{
138 				if(mpStrokeAttribute->mnRefCount)
139 				{
140 					mpStrokeAttribute->mnRefCount--;
141 				}
142 				else
143 				{
144 					delete mpStrokeAttribute;
145 				}
146 
147 				mpStrokeAttribute = rCandidate.mpStrokeAttribute;
148 				mpStrokeAttribute->mnRefCount++;
149 			}
150 
151 			return *this;
152 		}
153 
154         bool StrokeAttribute::operator==(const StrokeAttribute& rCandidate) const
155 		{
156 			if(rCandidate.mpStrokeAttribute == mpStrokeAttribute)
157 			{
158 				return true;
159 			}
160 
161 			if(rCandidate.isDefault() != isDefault())
162 			{
163 				return false;
164 			}
165 
166 			return (*rCandidate.mpStrokeAttribute == *mpStrokeAttribute);
167 		}
168 
169         const ::std::vector< double >& StrokeAttribute::getDotDashArray() const
170         {
171             return mpStrokeAttribute->getDotDashArray();
172         }
173 
174 		double StrokeAttribute::getFullDotDashLen() const
175         {
176             return mpStrokeAttribute->getFullDotDashLen();
177         }
178 	} // end of namespace attribute
179 } // end of namespace drawinglayer
180 
181 //////////////////////////////////////////////////////////////////////////////
182 // eof
183