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0022627: Change OCCT memory management defaults
[occt.git] / src / MeshVS / MeshVS_TextPrsBuilder.cxx
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7fd59977 1// File: MeshVS_TextPrsBuilder.cxx
2// Created: Mon Sep 22 2003
3// Author: Alexander SOLOVYOV
4// Copyright: Open CASCADE 2003
5
6#include <MeshVS_TextPrsBuilder.ixx>
7
8#include <MeshVS_DisplayModeFlags.hxx>
9
10#include <Graphic3d_Group.hxx>
11#include <Prs3d_Root.hxx>
12#include <Prs3d_TextAspect.hxx>
13#include <Graphic3d_AspectText3d.hxx>
14#include <TColStd_ListIteratorOfListOfReal.hxx>
15#include <Graphic3d_Vertex.hxx>
16#include <Graphic3d_AspectMarker3d.hxx>
17#include <TColStd_Array1OfReal.hxx>
18#include <TCollection_AsciiString.hxx>
19#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
20#include <TColStd_HPackedMapOfInteger.hxx>
21
22#include <MeshVS_DataSource.hxx>
23#include <MeshVS_Drawer.hxx>
24#include <MeshVS_Mesh.hxx>
25#include <MeshVS_DrawerAttribute.hxx>
26#include <MeshVS_Buffer.hxx>
27
28#include <Graphic3d_NameOfFont.hxx>
29
30//================================================================
31// Function : Constructor MeshVS_TextPrsBuilder
32// Purpose :
33//================================================================
34MeshVS_TextPrsBuilder::MeshVS_TextPrsBuilder ( const Handle(MeshVS_Mesh)& Parent,
35 const Standard_Real Height,
36 const Quantity_Color& Color,
37 const MeshVS_DisplayModeFlags& Flags,
38 const Handle (MeshVS_DataSource)& DS,
39 const Standard_Integer Id,
40 const MeshVS_BuilderPriority& Priority )
41 : MeshVS_PrsBuilder ( Parent, Flags, DS, Id, Priority )
42{
43 Handle ( MeshVS_Drawer ) aDrawer = GetDrawer();
44 if ( !aDrawer.IsNull() )
45 {
46 aDrawer->SetDouble ( MeshVS_DA_TextHeight, Height );
47 aDrawer->SetColor ( MeshVS_DA_TextColor, Color );
48 }
49}
50
51//================================================================
52// Function : GetTexts
53// Purpose :
54//================================================================
55const MeshVS_DataMapOfIntegerAsciiString& MeshVS_TextPrsBuilder::GetTexts ( const Standard_Boolean IsElements ) const
56{
57 if ( IsElements )
58 return myElemTextMap;
59 else
60 return myNodeTextMap;
61}
62
63//================================================================
64// Function : SetTexts
65// Purpose :
66//================================================================
67void MeshVS_TextPrsBuilder::SetTexts ( const Standard_Boolean IsElements,
68 const MeshVS_DataMapOfIntegerAsciiString& Map )
69{
70 if ( IsElements )
71 myElemTextMap = Map;
72 else
73 myNodeTextMap = Map;
74}
75
76//================================================================
77// Function : HasTexts
78// Purpose :
79//================================================================
80Standard_Boolean MeshVS_TextPrsBuilder::HasTexts ( const Standard_Boolean IsElement ) const
81{
82 Standard_Boolean aRes = (myNodeTextMap.Extent()>0);
83 if ( IsElement )
84 aRes = (myElemTextMap.Extent()>0);
85 return aRes;
86}
87
88//================================================================
89// Function : GetText
90// Purpose :
91//================================================================
92Standard_Boolean MeshVS_TextPrsBuilder::GetText ( const Standard_Boolean IsElement,
93 const Standard_Integer theID,
94 TCollection_AsciiString& theStr ) const
95{
96 const MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
97 if ( IsElement )
98 aMap = &myElemTextMap;
99
100 Standard_Boolean aRes = aMap->IsBound ( theID );
101 if ( aRes )
102 theStr = aMap->Find ( theID );
103
104 return aRes;
105}
106
107//================================================================
108// Function : SetText
109// Purpose :
110//================================================================
111void MeshVS_TextPrsBuilder::SetText ( const Standard_Boolean IsElement,
112 const Standard_Integer ID,
113 const TCollection_AsciiString& Text )
114{
115 MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
116 if ( IsElement )
117 aMap = &myElemTextMap;
118
119 Standard_Boolean aRes = aMap->IsBound ( ID );
120 if ( aRes )
121 aMap->ChangeFind ( ID ) = Text;
122 else
123 aMap->Bind ( ID, Text );
124}
125
126//================================================================
127// Function : Build
128// Purpose :
129//================================================================
130void MeshVS_TextPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs,
131 const TColStd_PackedMapOfInteger& IDs,
132 TColStd_PackedMapOfInteger& IDsToExclude,
133 const Standard_Boolean IsElement,
134 const Standard_Integer theDisplayMode ) const
135{
136 Handle (MeshVS_DataSource) aSource = GetDataSource();
137 Handle (MeshVS_Drawer) aDrawer = GetDrawer();
138 if ( aSource.IsNull() || aDrawer.IsNull() || !HasTexts( IsElement ) ||
139 ( theDisplayMode & GetFlags() ) == 0 )
140 return;
141
142 Standard_Integer aMaxFaceNodes;
143 Standard_Real aHeight;
144 if ( !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, aMaxFaceNodes ) ||
145 aMaxFaceNodes <= 0 ||
146 !aDrawer->GetDouble ( MeshVS_DA_TextHeight, aHeight ) )
147 return;
148
149 Prs3d_Root::NewGroup ( Prs );
150 Handle (Graphic3d_Group) aTextGroup = Prs3d_Root::CurrentGroup ( Prs );
151
152 Quantity_Color AColor = Quantity_NOC_YELLOW;
153#ifdef WNT
154 Standard_CString AFont = "Courier New";
155#else
156 Standard_CString AFont = "Courier";
157#endif
158 Standard_Real AExpansionFactor = 1.0;
159 Standard_Real ASpace = 0.0;
160 Aspect_TypeOfStyleText ATextStyle = Aspect_TOST_ANNOTATION;
161 Standard_Integer AStyleInt;
162 Aspect_TypeOfDisplayText ADisplayType = Aspect_TODT_NORMAL;
163 TCollection_AsciiString AFontString;
164 Standard_Integer ADispInt;
7fd59977 165 // Bold font is used by default for better text readability
166 OSD_FontAspect AFontAspectType = OSD_FA_Bold;
167 Standard_Integer AAspect;
168
169
170 aDrawer->GetColor ( MeshVS_DA_TextColor, AColor );
171 aDrawer->GetDouble ( MeshVS_DA_TextExpansionFactor, AExpansionFactor );
172 aDrawer->GetDouble ( MeshVS_DA_TextSpace, ASpace );
173
174 if ( aDrawer->GetAsciiString ( MeshVS_DA_TextFont, AFontString ) )
175 AFont = AFontString.ToCString();
176 if ( aDrawer->GetInteger ( MeshVS_DA_TextStyle, AStyleInt ) )
177 ATextStyle = (Aspect_TypeOfStyleText) AStyleInt;
178 if ( aDrawer->GetInteger ( MeshVS_DA_TextDisplayType, ADispInt ) )
179 ADisplayType = (Aspect_TypeOfDisplayText) ADispInt;
180 if ( aDrawer->GetInteger ( MeshVS_DA_TextFontAspect, AAspect ) )
181 AFontAspectType = (OSD_FontAspect)AAspect;
182
183 Handle (Graphic3d_AspectText3d) aTextAspect = new Graphic3d_AspectText3d ( AColor, AFont, AExpansionFactor, ASpace,
184 ATextStyle, ADisplayType );
185 aTextAspect->SetTextFontAspect( AFontAspectType );
186 Handle (Graphic3d_AspectMarker3d) anAspectMarker3d =
187 new Graphic3d_AspectMarker3d( Aspect_TOM_POINT, Quantity_NOC_GRAY, 1. );
188 aTextGroup->SetPrimitivesAspect( aTextAspect );
189 aTextGroup->SetPrimitivesAspect( anAspectMarker3d );
190
191 aTextGroup->BeginPrimitives();
192
193 MeshVS_Buffer aCoordsBuf (3*aMaxFaceNodes*sizeof(Standard_Real));
194 TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*aMaxFaceNodes);
195 Standard_Integer NbNodes;
196 TCollection_AsciiString aStr;
197 MeshVS_EntityType aType;
198 TColStd_PackedMapOfInteger aCustomElements;
199
200 Standard_Real X, Y, Z;
201
202 // subtract the hidden elements and ids to exclude (to minimise allocated memory)
203 TColStd_PackedMapOfInteger anIDs;
204 anIDs.Assign( IDs );
205 if ( IsElement )
206 {
207 Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems();
208 if ( !aHiddenElems.IsNull() )
209 anIDs.Subtract( aHiddenElems->Map() );
210 }
211 anIDs.Subtract( IDsToExclude );
212
213 TColStd_MapIteratorOfPackedMapOfInteger it (anIDs);
214 for( ; it.More(); it.Next() )
215 {
216 Standard_Integer aKey = it.Key();
217 if( GetText ( IsElement, aKey, aStr ) )
218 {
219 if( aSource->GetGeom ( aKey, IsElement, aCoords, NbNodes, aType ) )
220 {
221 if( aType == MeshVS_ET_Node )
222 {
223 X = aCoords(1);
224 Y = aCoords(2);
225 Z = aCoords(3);
226 }
227 else if( aType == MeshVS_ET_Link ||
228 aType == MeshVS_ET_Face ||
229 aType == MeshVS_ET_Volume )
230 {
231 if( IsElement && IsExcludingOn() )
232 IDsToExclude.Add( aKey );
233 X = Y = Z = 0;
234 for ( Standard_Integer i=1; i<=NbNodes; i++ )
235 {
236 X += aCoords (3*i-2);
237 Y += aCoords (3*i-1);
238 Z += aCoords (3*i);
239 }
240 X /= Standard_Real ( NbNodes );
241 Y /= Standard_Real ( NbNodes );
242 Z /= Standard_Real ( NbNodes );
243 }
244 else
245 {
246 aCustomElements.Add( aKey );
247 continue;
248 }
249
250 Graphic3d_Vertex aPoint( X, Y, Z );
251
252 aTextGroup->Marker ( aPoint );
253 aTextGroup->Text ( aStr.ToCString(), aPoint, aHeight );
254 }
255 }
256 }
257
258 aTextGroup->EndPrimitives();
259
260 if (!aCustomElements.IsEmpty())
261 CustomBuild ( Prs, aCustomElements, IDsToExclude, theDisplayMode );
262}
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