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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 :
21 : #include <svx/sdr/contact/viewcontactofe3dpolygon.hxx>
22 : #include <svx/polygn3d.hxx>
23 : #include <drawinglayer/primitive3d/sdrpolypolygonprimitive3d.hxx>
24 : #include <svx/sdr/primitive2d/sdrattributecreator.hxx>
25 : #include <svx/sdr/primitive3d/sdrattributecreator3d.hxx>
26 : #include <basegfx/polygon/b3dpolygon.hxx>
27 : #include <basegfx/polygon/b3dpolypolygontools.hxx>
28 :
29 :
30 :
31 : namespace sdr
32 : {
33 : namespace contact
34 : {
35 0 : ViewContactOfE3dPolygon::ViewContactOfE3dPolygon(E3dPolygonObj& rPolygon)
36 0 : : ViewContactOfE3d(rPolygon)
37 : {
38 0 : }
39 :
40 0 : ViewContactOfE3dPolygon::~ViewContactOfE3dPolygon()
41 : {
42 0 : }
43 :
44 0 : drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3dPolygon::createViewIndependentPrimitive3DSequence() const
45 : {
46 0 : drawinglayer::primitive3d::Primitive3DSequence xRetval;
47 0 : const SfxItemSet& rItemSet = GetE3dPolygonObj().GetMergedItemSet();
48 0 : const bool bSuppressFill(GetE3dPolygonObj().GetLineOnly());
49 : const drawinglayer::attribute::SdrLineFillShadowAttribute3D aAttribute(
50 0 : drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, bSuppressFill));
51 :
52 : // get extrude geometry
53 0 : basegfx::B3DPolyPolygon aPolyPolygon3D(GetE3dPolygonObj().GetPolyPolygon3D());
54 0 : const basegfx::B3DPolyPolygon aPolyNormals3D(GetE3dPolygonObj().GetPolyNormals3D());
55 0 : const basegfx::B2DPolyPolygon aPolyTexture2D(GetE3dPolygonObj().GetPolyTexture2D());
56 0 : const bool bNormals(aPolyNormals3D.count() && aPolyNormals3D.count() == aPolyPolygon3D.count());
57 0 : const bool bTexture(aPolyTexture2D.count() && aPolyTexture2D.count() == aPolyPolygon3D.count());
58 :
59 0 : if(bNormals || bTexture)
60 : {
61 0 : for(sal_uInt32 a(0L); a < aPolyPolygon3D.count(); a++)
62 : {
63 0 : basegfx::B3DPolygon aCandidate3D(aPolyPolygon3D.getB3DPolygon(a));
64 0 : basegfx::B3DPolygon aNormals3D;
65 0 : basegfx::B2DPolygon aTexture2D;
66 :
67 0 : if(bNormals)
68 : {
69 0 : aNormals3D = aPolyNormals3D.getB3DPolygon(a);
70 : }
71 :
72 0 : if(bTexture)
73 : {
74 0 : aTexture2D = aPolyTexture2D.getB2DPolygon(a);
75 : }
76 :
77 0 : for(sal_uInt32 b(0L); b < aCandidate3D.count(); b++)
78 : {
79 0 : if(bNormals)
80 : {
81 0 : sal_uInt32 nNormalCount = aNormals3D.count();
82 0 : if( b < nNormalCount )
83 0 : aCandidate3D.setNormal(b, aNormals3D.getB3DPoint(b));
84 0 : else if( nNormalCount > 0 )
85 0 : aCandidate3D.setNormal(b, aNormals3D.getB3DPoint(0));
86 : }
87 0 : if(bTexture)
88 : {
89 0 : sal_uInt32 nTextureCount = aTexture2D.count();
90 0 : if( b < nTextureCount )
91 0 : aCandidate3D.setTextureCoordinate(b, aTexture2D.getB2DPoint(b));
92 0 : else if( nTextureCount > 0 )
93 0 : aCandidate3D.setTextureCoordinate(b, aTexture2D.getB2DPoint(0));
94 : }
95 : }
96 :
97 0 : aPolyPolygon3D.setB3DPolygon(a, aCandidate3D);
98 0 : }
99 : }
100 :
101 : // get 3D Object Attributes
102 0 : drawinglayer::attribute::Sdr3DObjectAttribute* pSdr3DObjectAttribute = drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet);
103 :
104 : // calculate texture size
105 0 : basegfx::B2DVector aTextureSize(1.0, 1.0);
106 :
107 0 : if(bTexture)
108 : {
109 : // #i98314#
110 : // create texture size from object's size
111 0 : const basegfx::B3DRange aObjectRange(basegfx::tools::getRange(aPolyPolygon3D));
112 :
113 0 : double fWidth(0.0);
114 0 : double fHeight(0.0);
115 :
116 : // this is a polygon object, so Width/Height and/or Depth may be zero (e.g. left
117 : // wall of chart). Take this into account
118 0 : if(basegfx::fTools::equalZero(aObjectRange.getWidth()))
119 : {
120 : // width is zero, use height and depth
121 0 : fWidth = aObjectRange.getHeight();
122 0 : fHeight = aObjectRange.getDepth();
123 : }
124 0 : else if(basegfx::fTools::equalZero(aObjectRange.getHeight()))
125 : {
126 : // height is zero, use width and depth
127 0 : fWidth = aObjectRange.getWidth();
128 0 : fHeight = aObjectRange.getDepth();
129 : }
130 : else
131 : {
132 : // use width and height
133 0 : fWidth = aObjectRange.getWidth();
134 0 : fHeight = aObjectRange.getHeight();
135 : }
136 :
137 0 : if(basegfx::fTools::lessOrEqual(fWidth, 0.0) ||basegfx::fTools::lessOrEqual(fHeight, 0.0))
138 : {
139 : // no texture; fallback to very small size
140 0 : aTextureSize.setX(0.01);
141 0 : aTextureSize.setY(0.01);
142 : }
143 : else
144 : {
145 0 : aTextureSize.setX(fWidth);
146 0 : aTextureSize.setY(fHeight);
147 : }
148 : }
149 :
150 : // #i98295#
151 : // unfortunately, this SdrObject type which allows a free 3d geometry definition was defined
152 : // wrong topologically in relation to it's plane normal and 3D visibility when it was invented
153 : // a long time ago. Since the API allows creation of this SDrObject type, it is not possible to
154 : // simply change this definition. Only the chart should use it, and at least this object type
155 : // only exists at Runtime (is not saved and/or loaded in any FileFormat). Still someone external
156 : // may have used it in it's API. To not risk wrong 3D lightings, i have to switch the orientation
157 : // of the polygon here
158 0 : aPolyPolygon3D.flip();
159 :
160 : // create primitive and add
161 0 : const basegfx::B3DHomMatrix aWorldTransform;
162 : const drawinglayer::primitive3d::Primitive3DReference xReference(
163 : new drawinglayer::primitive3d::SdrPolyPolygonPrimitive3D(
164 0 : aPolyPolygon3D, aWorldTransform, aTextureSize, aAttribute, *pSdr3DObjectAttribute));
165 0 : xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1);
166 :
167 : // delete 3D Object Attributes
168 0 : delete pSdr3DObjectAttribute;
169 :
170 0 : return xRetval;
171 : }
172 : } // end of namespace contact
173 : } // end of namespace sdr
174 :
175 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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