LibreOffice Module svx (master) 1
sdrhittesthelper.cxx
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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
22#include <svx/obj3d.hxx>
24#include <svx/svdpage.hxx>
25#include <svx/sdrpagewindow.hxx>
30#include <svx/svdpagv.hxx>
32
33
34// #i101872# new Object HitTest as View-tooling
35
37 const SdrObject& rObject,
38 const Point& rPnt,
39 const basegfx::B2DVector& rHitTolerance,
40 const SdrPageView& rSdrPageView,
41 const SdrLayerIDSet* pVisiLayer,
42 bool bTextOnly,
44{
45 SdrObject* pResult = nullptr;
46
47 if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount())
48 {
49 // group or scene with content. Single 3D objects also have a
50 // true == rObject.GetSubList(), but no content
51 pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, rHitTolerance, rSdrPageView, pVisiLayer, bTextOnly);
52 }
53 else
54 {
55 if( rObject.IsVisible() && (!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())))
56 {
57 // single object, 3d object, empty scene or empty group. Check if
58 // it's a single 3D object
59 const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject);
60
61 if(pE3dCompoundObject)
62 {
63 const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
64
65 if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject))
66 {
67 pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject);
68 }
69 }
70 else
71 {
72 // not a single 3D object; Check in first PageWindow using primitives (only SC
73 // with split views uses multiple PageWindows nowadays)
74 if(rSdrPageView.PageWindowCount())
75 {
76 const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
78 rSdrPageView.GetPageWindow(0)->GetObjectContact());
79
80 if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, rHitTolerance, bTextOnly, pHitContainer))
81 {
82 pResult = const_cast< SdrObject* >(&rObject);
83 }
84 }
85 }
86 }
87 }
88
89 return pResult;
90}
91
92
94 const SdrObjList& rList,
95 const Point& rPnt,
96 const basegfx::B2DVector& rHitTolerance,
97 const SdrPageView& rSdrPageView,
98 const SdrLayerIDSet* pVisiLayer,
99 bool bTextOnly)
100{
101 size_t nObjNum(rList.GetObjCount());
102 SdrObject* pRetval = nullptr;
103
104 while(!pRetval && nObjNum > 0)
105 {
106 nObjNum--;
107 SdrObject* pObj = rList.GetObj(nObjNum);
108
109 pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, rHitTolerance, rSdrPageView, pVisiLayer, bTextOnly);
110 }
111
112 return pRetval;
113}
114
115
118 const basegfx::B2DPoint& rHitPosition,
119 const basegfx::B2DVector& rLogicHitTolerance,
120 bool bTextOnly,
122{
123 basegfx::B2DRange aObjectRange(rVOC.getObjectRange());
124
125 if(!aObjectRange.isEmpty())
126 {
127 // first do a rough B2DRange based HitTest; do not forget to
128 // include the HitTolerance if given
129 if(rLogicHitTolerance.getX() > 0 || rLogicHitTolerance.getY() > 0)
130 {
131 aObjectRange.grow(rLogicHitTolerance);
132 }
133
134 if(aObjectRange.isInside(rHitPosition))
135 {
136 // get primitive sequence
137 sdr::contact::DisplayInfo aDisplayInfo;
138 // have to make a copy of this container here, because it might be changed underneath us
140
141 if(!aSequence.empty())
142 {
143 // create a HitTest processor
146 rViewInformation2D,
147 rHitPosition,
148 rLogicHitTolerance,
149 bTextOnly);
150
151 // ask for HitStack
152 aHitTestProcessor2D.collectHitStack(pHitContainer != nullptr);
153
154 // feed it with the primitives
155 aHitTestProcessor2D.process(aSequence);
156
157 // deliver result
158 if (aHitTestProcessor2D.getHit())
159 {
160 if (pHitContainer)
161 {
162 // fetch HitStack primitives if requested
163 *pHitContainer = aHitTestProcessor2D.getHitStack();
164 }
165
166 return true;
167 }
168 }
169 }
170 }
171
172 return false;
173}
174
175/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
constexpr tools::Long Y() const
constexpr tools::Long X() const
bool IsSet(SdrLayerID a) const
Definition: svdsob.hxx:69
SdrObject * GetObj(size_t nNum) const
Definition: svdpage.cxx:785
size_t GetObjCount() const
Definition: svdpage.cxx:779
Abstract DrawObject.
Definition: svdobj.hxx:260
virtual SdrObjList * GetSubList() const
Definition: svdobj.cxx:717
sdr::contact::ViewContact & GetViewContact() const
Definition: svdobj.cxx:261
bool IsVisible() const
Definition: svdobj.hxx:762
virtual SdrLayerID GetLayer() const
Definition: svdobj.cxx:645
sal_uInt32 PageWindowCount() const
Definition: svdpagv.hxx:89
SdrPageWindow * GetPageWindow(sal_uInt32 nIndex) const
Definition: svdpagv.cxx:83
const sdr::contact::ObjectContact & GetObjectContact() const
void grow(TYPE fValue)
bool isInside(const Tuple2D< TYPE > &rTuple) const
bool isEmpty() const
TYPE getX() const
TYPE getY() const
void process(const primitive2d::Primitive2DContainer &rSource)
const primitive2d::Primitive2DContainer & getHitStack() const
const drawinglayer::geometry::ViewInformation2D & getViewInformation2D() const
ViewObjectContact & GetViewObjectContact(ObjectContact &rObjectContact)
Definition: viewcontact.cxx:65
drawinglayer::primitive2d::Primitive2DContainer const & getPrimitive2DSequence(const DisplayInfo &rDisplayInfo) const
ObjectContact & GetObjectContact() const
const basegfx::B2DRange & getObjectRange() const
bool checkHitSingle3DObject(const basegfx::B2DPoint &rPoint, const E3dCompoundObject &rCandidate)
support for checking if the single given 3d object is hit at position
SdrObject * SdrObjectPrimitiveHit(const SdrObject &rObject, const Point &rPnt, const basegfx::B2DVector &rHitTolerance, const SdrPageView &rSdrPageView, const SdrLayerIDSet *pVisiLayer, bool bTextOnly, drawinglayer::primitive2d::Primitive2DContainer *pHitContainer)
bool ViewObjectContactPrimitiveHit(const sdr::contact::ViewObjectContact &rVOC, const basegfx::B2DPoint &rHitPosition, const basegfx::B2DVector &rLogicHitTolerance, bool bTextOnly, drawinglayer::primitive2d::Primitive2DContainer *pHitContainer)
SdrObject * SdrObjListPrimitiveHit(const SdrObjList &rList, const Point &rPnt, const basegfx::B2DVector &rHitTolerance, const SdrPageView &rSdrPageView, const SdrLayerIDSet *pVisiLayer, bool bTextOnly)