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1 | // Created on: 2007-08-01 |
2 | // Created by: Alexander GRIGORIEV |
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3 | // Copyright (c) 2007-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
16 | #include <VrmlData_IndexedLineSet.hxx> |
17 | #include <VrmlData_Scene.hxx> |
18 | #include <VrmlData_InBuffer.hxx> |
19 | #include <VrmlData_UnknownNode.hxx> |
20 | #include <BRep_Builder.hxx> |
21 | #include <Poly_Polygon3D.hxx> |
22 | #include <TColStd_Array1OfReal.hxx> |
23 | #include <TColgp_Array1OfPnt.hxx> |
24 | #include <TopoDS_Edge.hxx> |
25 | #include <TopoDS_Wire.hxx> |
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26 | #include <VrmlData_Color.hxx> |
27 | #include <VrmlData_Coordinate.hxx> |
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28 | |
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29 | #ifdef _MSC_VER |
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30 | #define _CRT_SECURE_NO_DEPRECATE |
31 | #pragma warning (disable:4996) |
32 | #endif |
33 | |
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34 | |
35 | //======================================================================= |
36 | //function : GetColor |
37 | //purpose : |
38 | //======================================================================= |
39 | |
40 | Quantity_Color VrmlData_IndexedLineSet::GetColor |
41 | (const Standard_Integer /*iFace*/, |
42 | const Standard_Integer /*iVertex*/) |
43 | { |
44 | //TODO |
45 | return Quantity_NOC_BLACK; |
46 | } |
47 | |
48 | //======================================================================= |
49 | //function : TShape |
50 | //purpose : Query the shape. This method checks the flag myIsModified; |
51 | // if True it should rebuild the shape presentation. |
52 | //======================================================================= |
53 | |
54 | const Handle(TopoDS_TShape)& VrmlData_IndexedLineSet::TShape () |
55 | { |
56 | if (myNbPolygons == 0) |
57 | myTShape.Nullify(); |
58 | else if (myIsModified) { |
59 | Standard_Integer i; |
60 | BRep_Builder aBuilder; |
61 | const gp_XYZ * arrNodes = myCoords->Values(); |
62 | |
63 | // Create the Wire |
64 | TopoDS_Wire aWire; |
65 | aBuilder.MakeWire(aWire); |
66 | for (i = 0; i < (int)myNbPolygons; i++) { |
67 | const Standard_Integer * arrIndice; |
68 | const Standard_Integer nNodes = Polygon(i, arrIndice); |
69 | TColgp_Array1OfPnt arrPoint (1, nNodes); |
70 | TColStd_Array1OfReal arrParam (1, nNodes); |
71 | for (Standard_Integer j = 0; j < nNodes; j++) { |
72 | arrPoint(j+1).SetXYZ (arrNodes[arrIndice[j]]); |
73 | arrParam(j+1) = j; |
74 | } |
75 | const Handle(Poly_Polygon3D) aPolyPolygon = |
76 | new Poly_Polygon3D (arrPoint, arrParam); |
77 | TopoDS_Edge anEdge; |
78 | aBuilder.MakeEdge (anEdge, aPolyPolygon); |
79 | aBuilder.Add (aWire, anEdge); |
80 | } |
81 | myTShape = aWire.TShape(); |
82 | } |
83 | return myTShape; |
84 | } |
85 | |
86 | //======================================================================= |
87 | //function : Clone |
88 | //purpose : Create a copy of this node |
89 | //======================================================================= |
90 | |
91 | Handle(VrmlData_Node) VrmlData_IndexedLineSet::Clone |
92 | (const Handle(VrmlData_Node)& theOther) const |
93 | { |
94 | Handle(VrmlData_IndexedLineSet) aResult = |
95 | Handle(VrmlData_IndexedLineSet)::DownCast (VrmlData_Node::Clone(theOther)); |
96 | if (aResult.IsNull()) |
97 | aResult = |
98 | new VrmlData_IndexedLineSet(theOther.IsNull()? Scene(): theOther->Scene(), |
99 | Name()); |
100 | |
101 | if (&aResult->Scene() == &Scene()) { |
102 | aResult->SetCoordinates (myCoords); |
103 | aResult->SetColors (myColors); |
104 | aResult->SetPolygons (myNbPolygons, myArrPolygons); |
105 | aResult->SetColorInd (myNbColors, myArrColorInd); |
106 | } else { |
107 | // Create a dummy node to pass the different Scene instance to methods Clone |
108 | const Handle(VrmlData_UnknownNode) aDummyNode = |
109 | new VrmlData_UnknownNode (aResult->Scene()); |
110 | if (myCoords.IsNull() == Standard_False) |
111 | aResult->SetCoordinates (Handle(VrmlData_Coordinate)::DownCast |
112 | (myCoords->Clone (aDummyNode))); |
113 | if (myColors.IsNull() == Standard_False) |
114 | aResult->SetColors (Handle(VrmlData_Color)::DownCast |
115 | (myColors->Clone (aDummyNode))); |
116 | //TODO: Replace the following lines with the relevant copying |
117 | aResult->SetPolygons (myNbPolygons, myArrPolygons); |
118 | aResult->SetColorInd (myNbColors, myArrColorInd); |
119 | } |
120 | aResult->SetColorPerVertex (myColorPerVertex); |
121 | return aResult; |
122 | } |
123 | |
124 | //======================================================================= |
125 | //function : Read |
126 | //purpose : Read the Node from input stream. |
127 | //======================================================================= |
128 | |
129 | VrmlData_ErrorStatus VrmlData_IndexedLineSet::Read |
130 | (VrmlData_InBuffer& theBuffer) |
131 | { |
132 | VrmlData_ErrorStatus aStatus; |
133 | const VrmlData_Scene& aScene = Scene(); |
134 | while (OK(aStatus, VrmlData_Scene::ReadLine(theBuffer))) |
135 | { |
136 | if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "colorPerVertex")) |
137 | aStatus = ReadBoolean (theBuffer, myColorPerVertex); |
138 | else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "coordIndex")) |
139 | aStatus = aScene.ReadArrIndex (theBuffer, myArrPolygons, myNbPolygons); |
140 | else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "colorIndex")) |
141 | aStatus = aScene.ReadArrIndex (theBuffer, myArrColorInd, myNbColors); |
142 | // These two checks should be the last one to avoid their interference |
143 | // with the other tokens (e.g., coordIndex) |
144 | else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "color")) |
145 | aStatus = ReadNode (theBuffer, myColors, |
146 | STANDARD_TYPE(VrmlData_Color)); |
147 | else if (VRMLDATA_LCOMPARE (theBuffer.LinePtr, "coord")) |
148 | aStatus = ReadNode (theBuffer, myCoords, |
149 | STANDARD_TYPE(VrmlData_Coordinate)); |
150 | else |
151 | break; |
152 | if (!OK(aStatus)) |
153 | break; |
154 | } |
155 | // Read the terminating (closing) brace |
156 | if (OK(aStatus) || aStatus == VrmlData_EmptyData) |
157 | if (OK(aStatus, readBrace (theBuffer))) { |
158 | // Post-processing |
159 | ; |
160 | } |
161 | return aStatus; |
162 | } |
163 | |
164 | //======================================================================= |
165 | //function : Write |
166 | //purpose : Write the Node to output stream |
167 | //======================================================================= |
168 | |
169 | VrmlData_ErrorStatus VrmlData_IndexedLineSet::Write |
170 | (const char * thePrefix) const |
171 | { |
172 | static char header[] = "IndexedLineSet {"; |
173 | const VrmlData_Scene& aScene = Scene(); |
174 | VrmlData_ErrorStatus aStatus; |
175 | if (OK (aStatus, aScene.WriteLine (thePrefix, header, GlobalIndent()))) { |
176 | |
177 | if (OK(aStatus) && myCoords.IsNull() == Standard_False) |
178 | aStatus = aScene.WriteNode ("coord", myCoords); |
179 | if (OK(aStatus)) |
180 | aStatus = aScene.WriteArrIndex ("coordIndex", myArrPolygons,myNbPolygons); |
181 | |
182 | if (OK(aStatus) && myColorPerVertex == Standard_False) |
183 | aStatus = aScene.WriteLine ("colorPerVertex FALSE"); |
184 | if (OK(aStatus) && myColors.IsNull() == Standard_False) |
185 | aStatus = aScene.WriteNode ("color", myColors); |
186 | if (OK(aStatus)) |
187 | aStatus = aScene.WriteArrIndex ("colorIndex", myArrColorInd, myNbColors); |
188 | |
189 | aStatus = WriteClosing(); |
190 | } |
191 | return aStatus; |
192 | } |
193 | |
194 | //======================================================================= |
195 | //function : IsDefault |
196 | //purpose : Returns True if the node is default, |
197 | // so that it should not be written. |
198 | //======================================================================= |
199 | |
200 | Standard_Boolean VrmlData_IndexedLineSet::IsDefault () const |
201 | { |
202 | Standard_Boolean aResult (Standard_True); |
203 | if (myNbPolygons) |
204 | aResult = Standard_False; |
205 | else if (myCoords.IsNull() == Standard_False) |
206 | aResult = myCoords->IsDefault(); |
207 | return aResult; |
208 | } |
209 | |