xref: /AOO41X/main/drawinglayer/source/attribute/lineattribute.cxx (revision 5aaf853b3ba91aa8a4f8154519fb0bf086e1a428)
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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16  * KIND, either express or implied.  See the License for the
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_drawinglayer.hxx"
26 
27 #include <drawinglayer/attribute/lineattribute.hxx>
28 #include <basegfx/color/bcolor.hxx>
29 
30 //////////////////////////////////////////////////////////////////////////////
31 
32 namespace drawinglayer
33 {
34     namespace attribute
35     {
36         class ImpLineAttribute
37         {
38         public:
39             // refcounter
40             sal_uInt32                              mnRefCount;
41 
42             // data definitions
43             basegfx::BColor                         maColor;                // color
44             double                                  mfWidth;                // absolute line width
45             basegfx::B2DLineJoin                    meLineJoin;             // type of LineJoin
46             com::sun::star::drawing::LineCap        meLineCap;              // BUTT, ROUND, or SQUARE
47 
ImpLineAttribute(const basegfx::BColor & rColor,double fWidth,basegfx::B2DLineJoin aB2DLineJoin,com::sun::star::drawing::LineCap aLineCap)48             ImpLineAttribute(
49                 const basegfx::BColor& rColor,
50                 double fWidth,
51                 basegfx::B2DLineJoin aB2DLineJoin,
52                 com::sun::star::drawing::LineCap aLineCap)
53             :   mnRefCount(0),
54                 maColor(rColor),
55                 mfWidth(fWidth),
56                 meLineJoin(aB2DLineJoin),
57                 meLineCap(aLineCap)
58             {
59             }
60 
61             // data read access
getColor() const62             const basegfx::BColor& getColor() const { return maColor; }
getWidth() const63             double getWidth() const { return mfWidth; }
getLineJoin() const64             basegfx::B2DLineJoin getLineJoin() const { return meLineJoin; }
getLineCap() const65             com::sun::star::drawing::LineCap getLineCap() const { return meLineCap; }
66 
operator ==(const ImpLineAttribute & rCandidate) const67             bool operator==(const ImpLineAttribute& rCandidate) const
68             {
69                 return (getColor() == rCandidate.getColor()
70                     && getWidth() == rCandidate.getWidth()
71                     && getLineJoin() == rCandidate.getLineJoin()
72                     && getLineCap() == rCandidate.getLineCap());
73             }
74 
get_global_default()75             static ImpLineAttribute* get_global_default()
76             {
77                 static ImpLineAttribute* pDefault = 0;
78 
79                 if(!pDefault)
80                 {
81                     pDefault = new ImpLineAttribute(
82                         basegfx::BColor(),
83                         0.0,
84                         basegfx::B2DLINEJOIN_ROUND,
85                         com::sun::star::drawing::LineCap_BUTT);
86 
87                     // never delete; start with RefCount 1, not 0
88                     pDefault->mnRefCount++;
89                 }
90 
91                 return pDefault;
92             }
93         };
94 
LineAttribute(const basegfx::BColor & rColor,double fWidth,basegfx::B2DLineJoin aB2DLineJoin,com::sun::star::drawing::LineCap aLineCap)95         LineAttribute::LineAttribute(
96             const basegfx::BColor& rColor,
97             double fWidth,
98             basegfx::B2DLineJoin aB2DLineJoin,
99             com::sun::star::drawing::LineCap aLineCap)
100         :   mpLineAttribute(
101                 new ImpLineAttribute(
102                     rColor,
103                     fWidth,
104                     aB2DLineJoin,
105                     aLineCap))
106         {
107         }
108 
LineAttribute()109         LineAttribute::LineAttribute()
110         :   mpLineAttribute(ImpLineAttribute::get_global_default())
111         {
112             mpLineAttribute->mnRefCount++;
113         }
114 
LineAttribute(const LineAttribute & rCandidate)115         LineAttribute::LineAttribute(const LineAttribute& rCandidate)
116         :   mpLineAttribute(rCandidate.mpLineAttribute)
117         {
118             mpLineAttribute->mnRefCount++;
119         }
120 
~LineAttribute()121         LineAttribute::~LineAttribute()
122         {
123             if(mpLineAttribute->mnRefCount)
124             {
125                 mpLineAttribute->mnRefCount--;
126             }
127             else
128             {
129                 delete mpLineAttribute;
130             }
131         }
132 
isDefault() const133         bool LineAttribute::isDefault() const
134         {
135             return mpLineAttribute == ImpLineAttribute::get_global_default();
136         }
137 
operator =(const LineAttribute & rCandidate)138         LineAttribute& LineAttribute::operator=(const LineAttribute& rCandidate)
139         {
140             if(rCandidate.mpLineAttribute != mpLineAttribute)
141             {
142                 if(mpLineAttribute->mnRefCount)
143                 {
144                     mpLineAttribute->mnRefCount--;
145                 }
146                 else
147                 {
148                     delete mpLineAttribute;
149                 }
150 
151                 mpLineAttribute = rCandidate.mpLineAttribute;
152                 mpLineAttribute->mnRefCount++;
153             }
154 
155             return *this;
156         }
157 
operator ==(const LineAttribute & rCandidate) const158         bool LineAttribute::operator==(const LineAttribute& rCandidate) const
159         {
160             if(rCandidate.mpLineAttribute == mpLineAttribute)
161             {
162                 return true;
163             }
164 
165             if(rCandidate.isDefault() != isDefault())
166             {
167                 return false;
168             }
169 
170             return (*rCandidate.mpLineAttribute == *mpLineAttribute);
171         }
172 
getColor() const173         const basegfx::BColor& LineAttribute::getColor() const
174         {
175             return mpLineAttribute->getColor();
176         }
177 
getWidth() const178         double LineAttribute::getWidth() const
179         {
180             return mpLineAttribute->getWidth();
181         }
182 
getLineJoin() const183         basegfx::B2DLineJoin LineAttribute::getLineJoin() const
184         {
185             return mpLineAttribute->getLineJoin();
186         }
187 
getLineCap() const188         com::sun::star::drawing::LineCap LineAttribute::getLineCap() const
189         {
190             return mpLineAttribute->getLineCap();
191         }
192 
193     } // end of namespace attribute
194 } // end of namespace drawinglayer
195 
196 //////////////////////////////////////////////////////////////////////////////
197 // eof
198