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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 
27 #include <svx/sdrhittesthelper.hxx>
28 #include <svx/obj3d.hxx>
29 #include <svx/helperhittest3d.hxx>
30 #include <svx/sdrpagewindow.hxx>
31 #include <svx/sdr/contact/viewobjectcontact.hxx>
32 #include <svx/sdr/contact/displayinfo.hxx>
33 #include <svx/sdr/contact/objectcontact.hxx>
34 #include <drawinglayer/processor2d/hittestprocessor2d.hxx>
35 #include <svx/svdpagv.hxx>
36 #include <svx/sdr/contact/viewcontact.hxx>
37 
38 ////////////////////////////////////////////////////////////////////////////////////////////////////
39 // #i101872# new Object HitTest as View-tooling
40 
SdrObjectPrimitiveHit(const SdrObject & rObject,const Point & rPnt,sal_uInt16 nTol,const SdrPageView & rSdrPageView,const SetOfByte * pVisiLayer,bool bTextOnly)41 SdrObject* SdrObjectPrimitiveHit(
42 	const SdrObject& rObject,
43 	const Point& rPnt,
44 	sal_uInt16 nTol,
45 	const SdrPageView& rSdrPageView,
46 	const SetOfByte* pVisiLayer,
47     bool bTextOnly)
48 {
49 	SdrObject* pResult = 0;
50 
51     if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount())
52     {
53         // group or scene with content. Single 3D objects also have a
54         // true == rObject.GetSubList(), but no content
55         pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
56     }
57 	else
58 	{
59 		if( rObject.IsVisible() && (!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())))
60 		{
61 			// single object, 3d object, empty scene or empty group. Check if
62             // it's a single 3D object
63 			const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject);
64 
65 			if(pE3dCompoundObject)
66 			{
67 				const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
68 
69 				if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject))
70 				{
71     				pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject);
72 				}
73 			}
74 			else
75 			{
76 				// not a single 3D object; Check in first PageWindow using prmitives (only SC
77 				// with split views uses multiple PageWindows nowadays)
78 				if(rSdrPageView.PageWindowCount())
79 				{
80 					const double fLogicTolerance(nTol);
81 					const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
82 					const sdr::contact::ViewObjectContact& rVOC = rObject.GetViewContact().GetViewObjectContact(
83 						rSdrPageView.GetPageWindow(0)->GetObjectContact());
84 
85 					if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, fLogicTolerance, bTextOnly))
86 					{
87       					pResult = const_cast< SdrObject* >(&rObject);
88 					}
89 				}
90 			}
91 		}
92 	}
93 
94 	return pResult;
95 }
96 
97 /////////////////////////////////////////////////////////////////////
98 
SdrObjListPrimitiveHit(const SdrObjList & rList,const Point & rPnt,sal_uInt16 nTol,const SdrPageView & rSdrPageView,const SetOfByte * pVisiLayer,bool bTextOnly)99 SdrObject* SdrObjListPrimitiveHit(
100 	const SdrObjList& rList,
101 	const Point& rPnt,
102 	sal_uInt16 nTol,
103 	const SdrPageView& rSdrPageView,
104 	const SetOfByte* pVisiLayer,
105     bool bTextOnly)
106 {
107 	sal_uInt32 nObjNum(rList.GetObjCount());
108     SdrObject* pRetval = 0;
109 
110 	while(!pRetval && nObjNum > 0)
111 	{
112 		nObjNum--;
113 		SdrObject* pObj = rList.GetObj(nObjNum);
114 
115         pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
116 	}
117 
118     return pRetval;
119 }
120 
121 /////////////////////////////////////////////////////////////////////
122 
ViewObjectContactPrimitiveHit(const sdr::contact::ViewObjectContact & rVOC,const basegfx::B2DPoint & rHitPosition,double fLogicHitTolerance,bool bTextOnly)123 bool ViewObjectContactPrimitiveHit(
124     const sdr::contact::ViewObjectContact& rVOC,
125 	const basegfx::B2DPoint& rHitPosition,
126     double fLogicHitTolerance,
127     bool bTextOnly)
128 {
129     basegfx::B2DRange aObjectRange(rVOC.getObjectRange());
130 
131 	if(!aObjectRange.isEmpty())
132 	{
133 		// first do a rough B2DRange based HitTest; do not forget to
134 		// include the HitTolerance if given
135 		if(basegfx::fTools::more(fLogicHitTolerance, 0.0))
136 		{
137 			aObjectRange.grow(fLogicHitTolerance);
138 		}
139 
140 		if(aObjectRange.isInside(rHitPosition))
141 		{
142 			// get primitive sequence
143 			sdr::contact::DisplayInfo aDisplayInfo;
144 			const drawinglayer::primitive2d::Primitive2DSequence& rSequence(rVOC.getPrimitive2DSequence(aDisplayInfo));
145 
146 			if(rSequence.hasElements())
147 			{
148 				// create a HitTest processor
149 				const drawinglayer::geometry::ViewInformation2D& rViewInformation2D = rVOC.GetObjectContact().getViewInformation2D();
150 				drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
151 					rViewInformation2D,
152 					rHitPosition,
153 					fLogicHitTolerance,
154                     bTextOnly);
155 
156 				// feed it with the primitives
157 				aHitTestProcessor2D.process(rSequence);
158 
159 				// deliver result
160 				return aHitTestProcessor2D.getHit();
161 			}
162 		}
163 	}
164 
165 	return false;
166 }
167 
168 ////////////////////////////////////////////////////////////////////////////////////////////////////
169 // eof
170