xref: /AOO41X/main/svx/source/sdr/overlay/overlayobjectlist.cxx (revision f6e50924346d0b8c0b07c91832a97665dd718b0c)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 #include <svx/sdr/overlay/overlayobjectlist.hxx>
27 #include <svx/sdr/overlay/overlaymanager.hxx>
28 #include <tools/debug.hxx>
29 #include <vcl/outdev.hxx>
30 #include <basegfx/matrix/b2dhommatrix.hxx>
31 
32 // for SOLARIS compiler include of algorithm part of _STL is necesary to
33 // get access to basic algos like ::std::find
34 #include <algorithm>
35 
36 #include <drawinglayer/processor2d/hittestprocessor2d.hxx>
37 
38 //////////////////////////////////////////////////////////////////////////////
39 
40 namespace sdr
41 {
42     namespace overlay
43     {
~OverlayObjectList()44         OverlayObjectList::~OverlayObjectList()
45         {
46             clear();
47         }
48 
clear()49         void OverlayObjectList::clear()
50         {
51             OverlayObjectVector::iterator aStart(maVector.begin());
52 
53             for(; aStart != maVector.end(); aStart++)
54             {
55                 ::sdr::overlay::OverlayObject* pCandidate = *aStart;
56 
57                 if(pCandidate->getOverlayManager())
58                 {
59                     pCandidate->getOverlayManager()->remove(*pCandidate);
60                 }
61 
62                 delete pCandidate;
63             }
64 
65             maVector.clear();
66         }
67 
remove(OverlayObject & rOverlayObject)68         void OverlayObjectList::remove(OverlayObject& rOverlayObject)
69         {
70             const OverlayObjectVector::iterator aFindResult = ::std::find(maVector.begin(), maVector.end(), &rOverlayObject);
71             const bool bFound(aFindResult != maVector.end());
72             OSL_ENSURE(bFound, "Could not find given object in list (!)");
73 
74             if(bFound)
75             {
76                 maVector.erase(aFindResult);
77             }
78         }
79 
isHitLogic(const basegfx::B2DPoint & rLogicPosition,double fLogicTolerance) const80         bool OverlayObjectList::isHitLogic(const basegfx::B2DPoint& rLogicPosition, double fLogicTolerance) const
81         {
82             if(!maVector.empty())
83             {
84                 OverlayObjectVector::const_iterator aStart(maVector.begin());
85                 sdr::overlay::OverlayObject* pFirst = *aStart;
86                 OSL_ENSURE(pFirst, "Corrupt OverlayObjectList (!)");
87                 OverlayManager* pManager = pFirst->getOverlayManager();
88 
89                 if(pManager)
90                 {
91                     if(0.0 == fLogicTolerance)
92                     {
93                         const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(
94                             Size(DEFAULT_VALUE_FOR_HITTEST_PIXEL, DEFAULT_VALUE_FOR_HITTEST_PIXEL)));
95                         fLogicTolerance = aSizeLogic.Width();
96                     }
97 
98                     const drawinglayer::geometry::ViewInformation2D aViewInformation2D(pManager->getCurrentViewInformation2D());
99                     drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
100                         aViewInformation2D,
101                         rLogicPosition,
102                         fLogicTolerance,
103                         false);
104 
105                     for(; aStart != maVector.end(); aStart++)
106                     {
107                         sdr::overlay::OverlayObject* pCandidate = *aStart;
108                         OSL_ENSURE(pCandidate, "Corrupt OverlayObjectList (!)");
109 
110                         if(pCandidate->isHittable())
111                         {
112                             const drawinglayer::primitive2d::Primitive2DSequence& rSequence = pCandidate->getOverlayObjectPrimitive2DSequence();
113 
114                             if(rSequence.hasElements())
115                             {
116                                 aHitTestProcessor2D.process(rSequence);
117 
118                                 if(aHitTestProcessor2D.getHit())
119                                 {
120                                     return true;
121                                 }
122                             }
123                         }
124                     }
125                 }
126             }
127 
128             return false;
129         }
130 
isHitPixel(const Point & rDiscretePosition,sal_uInt32 nDiscreteTolerance) const131         bool OverlayObjectList::isHitPixel(const Point& rDiscretePosition, sal_uInt32 nDiscreteTolerance) const
132         {
133             if(!maVector.empty())
134             {
135                 OverlayObjectVector::const_iterator aStart(maVector.begin());
136                 sdr::overlay::OverlayObject* pCandidate = *aStart;
137                 OverlayManager* pManager = pCandidate->getOverlayManager();
138 
139                 if(pManager)
140                 {
141                     const Point aPosLogic(pManager->getOutputDevice().PixelToLogic(rDiscretePosition));
142                     const basegfx::B2DPoint aPosition(aPosLogic.X(), aPosLogic.Y());
143 
144                     if(nDiscreteTolerance)
145                     {
146                         const Size aSizeLogic(pManager->getOutputDevice().PixelToLogic(Size(nDiscreteTolerance, nDiscreteTolerance)));
147                         return isHitLogic(aPosition, (double)aSizeLogic.Width());
148                     }
149                     else
150                     {
151                         return isHitLogic(aPosition);
152                     }
153                 }
154             }
155 
156             return false;
157         }
158 
getBaseRange() const159         basegfx::B2DRange OverlayObjectList::getBaseRange() const
160         {
161             basegfx::B2DRange aRetval;
162 
163             if(!maVector.empty())
164             {
165                 OverlayObjectVector::const_iterator aStart(maVector.begin());
166 
167                 for(; aStart != maVector.end(); aStart++)
168                 {
169                     ::sdr::overlay::OverlayObject* pCandidate = *aStart;
170                     aRetval.expand(pCandidate->getBaseRange());
171                 }
172             }
173 
174             return aRetval;
175         }
176     } // end of namespace overlay
177 } // end of namespace sdr
178 
179 //////////////////////////////////////////////////////////////////////////////
180 // eof
181