0024023: Revamp the OCCT Handle -- ambiguity
[occt.git] / src / MeshVS / MeshVS_TextPrsBuilder.cxx
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b311480e 1// Created on: 2003-09-22
2// Created by: Alexander SOLOVYOV
973c2be1 3// Copyright (c) 2003-2014 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 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
973c2be1 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.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
7fd59977 15
16#include <MeshVS_TextPrsBuilder.ixx>
17
18#include <MeshVS_DisplayModeFlags.hxx>
19
20#include <Graphic3d_Group.hxx>
21#include <Prs3d_Root.hxx>
22#include <Prs3d_TextAspect.hxx>
23#include <Graphic3d_AspectText3d.hxx>
a577aaab 24#include <Graphic3d_ArrayOfPoints.hxx>
7fd59977 25#include <TColStd_ListIteratorOfListOfReal.hxx>
26#include <Graphic3d_Vertex.hxx>
27#include <Graphic3d_AspectMarker3d.hxx>
28#include <TColStd_Array1OfReal.hxx>
29#include <TCollection_AsciiString.hxx>
30#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
31#include <TColStd_HPackedMapOfInteger.hxx>
32
33#include <MeshVS_DataSource.hxx>
34#include <MeshVS_Drawer.hxx>
35#include <MeshVS_Mesh.hxx>
36#include <MeshVS_DrawerAttribute.hxx>
37#include <MeshVS_Buffer.hxx>
38
aff395a3 39#include <Font_NameOfFont.hxx>
7fd59977 40
41//================================================================
42// Function : Constructor MeshVS_TextPrsBuilder
43// Purpose :
44//================================================================
45MeshVS_TextPrsBuilder::MeshVS_TextPrsBuilder ( const Handle(MeshVS_Mesh)& Parent,
46 const Standard_Real Height,
47 const Quantity_Color& Color,
48 const MeshVS_DisplayModeFlags& Flags,
49 const Handle (MeshVS_DataSource)& DS,
50 const Standard_Integer Id,
51 const MeshVS_BuilderPriority& Priority )
52 : MeshVS_PrsBuilder ( Parent, Flags, DS, Id, Priority )
53{
54 Handle ( MeshVS_Drawer ) aDrawer = GetDrawer();
55 if ( !aDrawer.IsNull() )
56 {
57 aDrawer->SetDouble ( MeshVS_DA_TextHeight, Height );
58 aDrawer->SetColor ( MeshVS_DA_TextColor, Color );
59 }
60}
61
62//================================================================
63// Function : GetTexts
64// Purpose :
65//================================================================
66const MeshVS_DataMapOfIntegerAsciiString& MeshVS_TextPrsBuilder::GetTexts ( const Standard_Boolean IsElements ) const
67{
68 if ( IsElements )
69 return myElemTextMap;
70 else
71 return myNodeTextMap;
72}
73
74//================================================================
75// Function : SetTexts
76// Purpose :
77//================================================================
78void MeshVS_TextPrsBuilder::SetTexts ( const Standard_Boolean IsElements,
79 const MeshVS_DataMapOfIntegerAsciiString& Map )
80{
81 if ( IsElements )
82 myElemTextMap = Map;
83 else
84 myNodeTextMap = Map;
85}
86
87//================================================================
88// Function : HasTexts
89// Purpose :
90//================================================================
91Standard_Boolean MeshVS_TextPrsBuilder::HasTexts ( const Standard_Boolean IsElement ) const
92{
93 Standard_Boolean aRes = (myNodeTextMap.Extent()>0);
94 if ( IsElement )
95 aRes = (myElemTextMap.Extent()>0);
96 return aRes;
97}
98
99//================================================================
100// Function : GetText
101// Purpose :
102//================================================================
103Standard_Boolean MeshVS_TextPrsBuilder::GetText ( const Standard_Boolean IsElement,
104 const Standard_Integer theID,
105 TCollection_AsciiString& theStr ) const
106{
107 const MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
108 if ( IsElement )
109 aMap = &myElemTextMap;
110
111 Standard_Boolean aRes = aMap->IsBound ( theID );
112 if ( aRes )
113 theStr = aMap->Find ( theID );
114
115 return aRes;
116}
117
118//================================================================
119// Function : SetText
120// Purpose :
121//================================================================
122void MeshVS_TextPrsBuilder::SetText ( const Standard_Boolean IsElement,
123 const Standard_Integer ID,
124 const TCollection_AsciiString& Text )
125{
126 MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
127 if ( IsElement )
128 aMap = &myElemTextMap;
129
130 Standard_Boolean aRes = aMap->IsBound ( ID );
131 if ( aRes )
132 aMap->ChangeFind ( ID ) = Text;
133 else
134 aMap->Bind ( ID, Text );
135}
136
137//================================================================
138// Function : Build
139// Purpose :
140//================================================================
141void MeshVS_TextPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs,
142 const TColStd_PackedMapOfInteger& IDs,
143 TColStd_PackedMapOfInteger& IDsToExclude,
144 const Standard_Boolean IsElement,
145 const Standard_Integer theDisplayMode ) const
146{
147 Handle (MeshVS_DataSource) aSource = GetDataSource();
148 Handle (MeshVS_Drawer) aDrawer = GetDrawer();
149 if ( aSource.IsNull() || aDrawer.IsNull() || !HasTexts( IsElement ) ||
150 ( theDisplayMode & GetFlags() ) == 0 )
151 return;
152
153 Standard_Integer aMaxFaceNodes;
154 Standard_Real aHeight;
155 if ( !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, aMaxFaceNodes ) ||
156 aMaxFaceNodes <= 0 ||
157 !aDrawer->GetDouble ( MeshVS_DA_TextHeight, aHeight ) )
158 return;
159
160 Prs3d_Root::NewGroup ( Prs );
161 Handle (Graphic3d_Group) aTextGroup = Prs3d_Root::CurrentGroup ( Prs );
162
163 Quantity_Color AColor = Quantity_NOC_YELLOW;
164#ifdef WNT
165 Standard_CString AFont = "Courier New";
166#else
167 Standard_CString AFont = "Courier";
168#endif
169 Standard_Real AExpansionFactor = 1.0;
170 Standard_Real ASpace = 0.0;
171 Aspect_TypeOfStyleText ATextStyle = Aspect_TOST_ANNOTATION;
172 Standard_Integer AStyleInt;
173 Aspect_TypeOfDisplayText ADisplayType = Aspect_TODT_NORMAL;
174 TCollection_AsciiString AFontString;
175 Standard_Integer ADispInt;
7fd59977 176 // Bold font is used by default for better text readability
eeaaaefb 177 Font_FontAspect AFontAspectType = Font_FA_Bold;
7fd59977 178 Standard_Integer AAspect;
179
180
181 aDrawer->GetColor ( MeshVS_DA_TextColor, AColor );
182 aDrawer->GetDouble ( MeshVS_DA_TextExpansionFactor, AExpansionFactor );
183 aDrawer->GetDouble ( MeshVS_DA_TextSpace, ASpace );
184
185 if ( aDrawer->GetAsciiString ( MeshVS_DA_TextFont, AFontString ) )
186 AFont = AFontString.ToCString();
187 if ( aDrawer->GetInteger ( MeshVS_DA_TextStyle, AStyleInt ) )
188 ATextStyle = (Aspect_TypeOfStyleText) AStyleInt;
189 if ( aDrawer->GetInteger ( MeshVS_DA_TextDisplayType, ADispInt ) )
190 ADisplayType = (Aspect_TypeOfDisplayText) ADispInt;
191 if ( aDrawer->GetInteger ( MeshVS_DA_TextFontAspect, AAspect ) )
eeaaaefb 192 AFontAspectType = (Font_FontAspect)AAspect;
7fd59977 193
194 Handle (Graphic3d_AspectText3d) aTextAspect = new Graphic3d_AspectText3d ( AColor, AFont, AExpansionFactor, ASpace,
195 ATextStyle, ADisplayType );
196 aTextAspect->SetTextFontAspect( AFontAspectType );
197 Handle (Graphic3d_AspectMarker3d) anAspectMarker3d =
198 new Graphic3d_AspectMarker3d( Aspect_TOM_POINT, Quantity_NOC_GRAY, 1. );
199 aTextGroup->SetPrimitivesAspect( aTextAspect );
200 aTextGroup->SetPrimitivesAspect( anAspectMarker3d );
201
7fd59977 202 MeshVS_Buffer aCoordsBuf (3*aMaxFaceNodes*sizeof(Standard_Real));
203 TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*aMaxFaceNodes);
204 Standard_Integer NbNodes;
205 TCollection_AsciiString aStr;
206 MeshVS_EntityType aType;
207 TColStd_PackedMapOfInteger aCustomElements;
208
209 Standard_Real X, Y, Z;
210
211 // subtract the hidden elements and ids to exclude (to minimise allocated memory)
212 TColStd_PackedMapOfInteger anIDs;
213 anIDs.Assign( IDs );
214 if ( IsElement )
215 {
216 Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems();
217 if ( !aHiddenElems.IsNull() )
218 anIDs.Subtract( aHiddenElems->Map() );
219 }
220 anIDs.Subtract( IDsToExclude );
221
222 TColStd_MapIteratorOfPackedMapOfInteger it (anIDs);
223 for( ; it.More(); it.Next() )
224 {
225 Standard_Integer aKey = it.Key();
226 if( GetText ( IsElement, aKey, aStr ) )
227 {
228 if( aSource->GetGeom ( aKey, IsElement, aCoords, NbNodes, aType ) )
229 {
230 if( aType == MeshVS_ET_Node )
231 {
232 X = aCoords(1);
233 Y = aCoords(2);
234 Z = aCoords(3);
235 }
236 else if( aType == MeshVS_ET_Link ||
237 aType == MeshVS_ET_Face ||
238 aType == MeshVS_ET_Volume )
239 {
240 if( IsElement && IsExcludingOn() )
241 IDsToExclude.Add( aKey );
242 X = Y = Z = 0;
243 for ( Standard_Integer i=1; i<=NbNodes; i++ )
244 {
245 X += aCoords (3*i-2);
246 Y += aCoords (3*i-1);
247 Z += aCoords (3*i);
248 }
249 X /= Standard_Real ( NbNodes );
250 Y /= Standard_Real ( NbNodes );
251 Z /= Standard_Real ( NbNodes );
252 }
253 else
254 {
255 aCustomElements.Add( aKey );
256 continue;
257 }
258
a577aaab 259 Graphic3d_Vertex aPoint (X, Y, Z);
260 Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
261 anArrayOfPoints->AddVertex (X, Y, Z);
262 aTextGroup->AddPrimitiveArray (anArrayOfPoints);
263 aTextGroup->Text (aStr.ToCString(), aPoint, aHeight);
7fd59977 264 }
265 }
266 }
267
7fd59977 268 if (!aCustomElements.IsEmpty())
269 CustomBuild ( Prs, aCustomElements, IDsToExclude, theDisplayMode );
270}