Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include <svx/sdrhittesthelper.hxx>
22 : #include <svx/obj3d.hxx>
23 : #include <svx/helperhittest3d.hxx>
24 : #include <svx/sdrpagewindow.hxx>
25 : #include <svx/sdr/contact/viewobjectcontact.hxx>
26 : #include <svx/sdr/contact/displayinfo.hxx>
27 : #include <svx/sdr/contact/objectcontact.hxx>
28 : #include <drawinglayer/processor2d/hittestprocessor2d.hxx>
29 : #include <svx/svdpagv.hxx>
30 : #include <svx/sdr/contact/viewcontact.hxx>
31 :
32 :
33 : // #i101872# new Object HitTest as View-tooling
34 :
35 0 : SdrObject* SdrObjectPrimitiveHit(
36 : const SdrObject& rObject,
37 : const Point& rPnt,
38 : sal_uInt16 nTol,
39 : const SdrPageView& rSdrPageView,
40 : const SetOfByte* pVisiLayer,
41 : bool bTextOnly)
42 : {
43 0 : SdrObject* pResult = 0;
44 :
45 0 : if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount())
46 : {
47 : // group or scene with content. Single 3D objects also have a
48 : // true == rObject.GetSubList(), but no content
49 0 : pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
50 : }
51 : else
52 : {
53 0 : if( rObject.IsVisible() && (!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())))
54 : {
55 : // single object, 3d object, empty scene or empty group. Check if
56 : // it's a single 3D object
57 0 : const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject);
58 :
59 0 : if(pE3dCompoundObject)
60 : {
61 0 : const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
62 :
63 0 : if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject))
64 : {
65 0 : pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject);
66 0 : }
67 : }
68 : else
69 : {
70 : // not a single 3D object; Check in first PageWindow using prmitives (only SC
71 : // with split views uses multiple PageWindows nowadays)
72 0 : if(rSdrPageView.PageWindowCount())
73 : {
74 0 : const double fLogicTolerance(nTol);
75 0 : const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
76 0 : const sdr::contact::ViewObjectContact& rVOC = rObject.GetViewContact().GetViewObjectContact(
77 0 : rSdrPageView.GetPageWindow(0)->GetObjectContact());
78 :
79 0 : if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, fLogicTolerance, bTextOnly))
80 : {
81 0 : pResult = const_cast< SdrObject* >(&rObject);
82 0 : }
83 : }
84 : }
85 : }
86 : }
87 :
88 0 : return pResult;
89 : }
90 :
91 :
92 :
93 0 : SdrObject* SdrObjListPrimitiveHit(
94 : const SdrObjList& rList,
95 : const Point& rPnt,
96 : sal_uInt16 nTol,
97 : const SdrPageView& rSdrPageView,
98 : const SetOfByte* pVisiLayer,
99 : bool bTextOnly)
100 : {
101 0 : sal_uInt32 nObjNum(rList.GetObjCount());
102 0 : SdrObject* pRetval = 0;
103 :
104 0 : while(!pRetval && nObjNum > 0)
105 : {
106 0 : nObjNum--;
107 0 : SdrObject* pObj = rList.GetObj(nObjNum);
108 :
109 0 : pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
110 : }
111 :
112 0 : return pRetval;
113 : }
114 :
115 :
116 :
117 0 : bool ViewObjectContactPrimitiveHit(
118 : const sdr::contact::ViewObjectContact& rVOC,
119 : const basegfx::B2DPoint& rHitPosition,
120 : double fLogicHitTolerance,
121 : bool bTextOnly)
122 : {
123 0 : basegfx::B2DRange aObjectRange(rVOC.getObjectRange());
124 :
125 0 : if(!aObjectRange.isEmpty())
126 : {
127 : // first do a rough B2DRange based HitTest; do not forget to
128 : // include the HitTolerance if given
129 0 : if(basegfx::fTools::more(fLogicHitTolerance, 0.0))
130 : {
131 0 : aObjectRange.grow(fLogicHitTolerance);
132 : }
133 :
134 0 : if(aObjectRange.isInside(rHitPosition))
135 : {
136 : // get primitive sequence
137 0 : sdr::contact::DisplayInfo aDisplayInfo;
138 0 : const drawinglayer::primitive2d::Primitive2DSequence& rSequence(rVOC.getPrimitive2DSequence(aDisplayInfo));
139 :
140 0 : if(rSequence.hasElements())
141 : {
142 : // create a HitTest processor
143 0 : const drawinglayer::geometry::ViewInformation2D& rViewInformation2D = rVOC.GetObjectContact().getViewInformation2D();
144 : drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
145 : rViewInformation2D,
146 : rHitPosition,
147 : fLogicHitTolerance,
148 0 : bTextOnly);
149 :
150 : // feed it with the primitives
151 0 : aHitTestProcessor2D.process(rSequence);
152 :
153 : // deliver result
154 0 : return aHitTestProcessor2D.getHit();
155 0 : }
156 : }
157 : }
158 :
159 0 : return false;
160 : }
161 :
162 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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