summaryrefslogtreecommitdiff
path: root/svx/source/svdraw/sdrhittesthelper.cxx
blob: 6a293eac792a36eaa25e4c172c43a1d296f1e435 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <svx/sdrhittesthelper.hxx>
#include <svx/obj3d.hxx>
#include <svx/helperhittest3d.hxx>
#include <svx/sdrpagewindow.hxx>
#include <svx/sdr/contact/viewobjectcontact.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <svx/sdr/contact/objectcontact.hxx>
#include <drawinglayer/processor2d/hittestprocessor2d.hxx>
#include <svx/svdpagv.hxx>
#include <svx/sdr/contact/viewcontact.hxx>

////////////////////////////////////////////////////////////////////////////////////////////////////
// #i101872# new Object HitTest as View-tooling

SdrObject* SdrObjectPrimitiveHit(
    const SdrObject& rObject,
    const Point& rPnt,
    sal_uInt16 nTol,
    const SdrPageView& rSdrPageView,
    const SetOfByte* pVisiLayer,
    bool bTextOnly)
{
    SdrObject* pResult = 0;

    if(rObject.GetSubList() && rObject.GetSubList()->GetObjCount())
    {
        // group or scene with content. Single 3D objects also have a
        // true == rObject.GetSubList(), but no content
        pResult = SdrObjListPrimitiveHit(*rObject.GetSubList(), rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
    }
    else
    {
        if( rObject.IsVisible() && (!pVisiLayer || pVisiLayer->IsSet(rObject.GetLayer())))
        {
            // single object, 3d object, empty scene or empty group. Check if
            // it's a single 3D object
            const E3dCompoundObject* pE3dCompoundObject = dynamic_cast< const E3dCompoundObject* >(&rObject);

            if(pE3dCompoundObject)
            {
                const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());

                if(checkHitSingle3DObject(aHitPosition, *pE3dCompoundObject))
                {
                    pResult = const_cast< E3dCompoundObject* >(pE3dCompoundObject);
                }
            }
            else
            {
                // not a single 3D object; Check in first PageWindow using prmitives (only SC
                // with split views uses multiple PageWindows nowadays)
                if(rSdrPageView.PageWindowCount())
                {
                    const double fLogicTolerance(nTol);
                    const basegfx::B2DPoint aHitPosition(rPnt.X(), rPnt.Y());
                    const sdr::contact::ViewObjectContact& rVOC = rObject.GetViewContact().GetViewObjectContact(
                        rSdrPageView.GetPageWindow(0)->GetObjectContact());

                    if(ViewObjectContactPrimitiveHit(rVOC, aHitPosition, fLogicTolerance, bTextOnly))
                    {
                          pResult = const_cast< SdrObject* >(&rObject);
                    }
                }
            }
        }
    }

    return pResult;
}

/////////////////////////////////////////////////////////////////////

SdrObject* SdrObjListPrimitiveHit(
    const SdrObjList& rList,
    const Point& rPnt,
    sal_uInt16 nTol,
    const SdrPageView& rSdrPageView,
    const SetOfByte* pVisiLayer,
    bool bTextOnly)
{
    sal_uInt32 nObjNum(rList.GetObjCount());
    SdrObject* pRetval = 0;

    while(!pRetval && nObjNum > 0)
    {
        nObjNum--;
        SdrObject* pObj = rList.GetObj(nObjNum);

        pRetval = SdrObjectPrimitiveHit(*pObj, rPnt, nTol, rSdrPageView, pVisiLayer, bTextOnly);
    }

    return pRetval;
}

/////////////////////////////////////////////////////////////////////

bool ViewObjectContactPrimitiveHit(
    const sdr::contact::ViewObjectContact& rVOC,
    const basegfx::B2DPoint& rHitPosition,
    double fLogicHitTolerance,
    bool bTextOnly)
{
    basegfx::B2DRange aObjectRange(rVOC.getObjectRange());

    if(!aObjectRange.isEmpty())
    {
        // first do a rough B2DRange based HitTest; do not forget to
        // include the HitTolerance if given
        if(basegfx::fTools::more(fLogicHitTolerance, 0.0))
        {
            aObjectRange.grow(fLogicHitTolerance);
        }

        if(aObjectRange.isInside(rHitPosition))
        {
            // get primitive sequence
            sdr::contact::DisplayInfo aDisplayInfo;
            const drawinglayer::primitive2d::Primitive2DSequence& rSequence(rVOC.getPrimitive2DSequence(aDisplayInfo));

            if(rSequence.hasElements())
            {
                // create a HitTest processor
                const drawinglayer::geometry::ViewInformation2D& rViewInformation2D = rVOC.GetObjectContact().getViewInformation2D();
                drawinglayer::processor2d::HitTestProcessor2D aHitTestProcessor2D(
                    rViewInformation2D,
                    rHitPosition,
                    fLogicHitTolerance,
                    bTextOnly);

                // feed it with the primitives
                aHitTestProcessor2D.process(rSequence);

                // deliver result
                return aHitTestProcessor2D.getHit();
            }
        }
    }

    return false;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */