0030807: Visualization, TKOpenGl - supporting cubemaps
[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
7fd59977 16
42cf5bc1 17#include <Font_NameOfFont.hxx>
a577aaab 18#include <Graphic3d_ArrayOfPoints.hxx>
7fd59977 19#include <Graphic3d_AspectMarker3d.hxx>
42cf5bc1 20#include <Graphic3d_AspectText3d.hxx>
21#include <Graphic3d_Group.hxx>
22#include <Graphic3d_Vertex.hxx>
23#include <MeshVS_Buffer.hxx>
7fd59977 24#include <MeshVS_DataSource.hxx>
42cf5bc1 25#include <MeshVS_DisplayModeFlags.hxx>
7fd59977 26#include <MeshVS_Drawer.hxx>
7fd59977 27#include <MeshVS_DrawerAttribute.hxx>
42cf5bc1 28#include <MeshVS_Mesh.hxx>
29#include <MeshVS_TextPrsBuilder.hxx>
30#include <Prs3d_Presentation.hxx>
31#include <Prs3d_Root.hxx>
32#include <Prs3d_TextAspect.hxx>
33#include <Quantity_Color.hxx>
34#include <Standard_Type.hxx>
35#include <TCollection_AsciiString.hxx>
36#include <TColStd_Array1OfReal.hxx>
37#include <TColStd_HPackedMapOfInteger.hxx>
38#include <TColStd_ListIteratorOfListOfReal.hxx>
39#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
7fd59977 40
92efcf78 41IMPLEMENT_STANDARD_RTTIEXT(MeshVS_TextPrsBuilder,MeshVS_PrsBuilder)
42
7fd59977 43//================================================================
44// Function : Constructor MeshVS_TextPrsBuilder
45// Purpose :
46//================================================================
47MeshVS_TextPrsBuilder::MeshVS_TextPrsBuilder ( const Handle(MeshVS_Mesh)& Parent,
48 const Standard_Real Height,
49 const Quantity_Color& Color,
50 const MeshVS_DisplayModeFlags& Flags,
51 const Handle (MeshVS_DataSource)& DS,
52 const Standard_Integer Id,
53 const MeshVS_BuilderPriority& Priority )
54 : MeshVS_PrsBuilder ( Parent, Flags, DS, Id, Priority )
55{
56 Handle ( MeshVS_Drawer ) aDrawer = GetDrawer();
57 if ( !aDrawer.IsNull() )
58 {
59 aDrawer->SetDouble ( MeshVS_DA_TextHeight, Height );
60 aDrawer->SetColor ( MeshVS_DA_TextColor, Color );
61 }
62}
63
64//================================================================
65// Function : GetTexts
66// Purpose :
67//================================================================
68const MeshVS_DataMapOfIntegerAsciiString& MeshVS_TextPrsBuilder::GetTexts ( const Standard_Boolean IsElements ) const
69{
70 if ( IsElements )
71 return myElemTextMap;
72 else
73 return myNodeTextMap;
74}
75
76//================================================================
77// Function : SetTexts
78// Purpose :
79//================================================================
80void MeshVS_TextPrsBuilder::SetTexts ( const Standard_Boolean IsElements,
81 const MeshVS_DataMapOfIntegerAsciiString& Map )
82{
83 if ( IsElements )
84 myElemTextMap = Map;
85 else
86 myNodeTextMap = Map;
87}
88
89//================================================================
90// Function : HasTexts
91// Purpose :
92//================================================================
93Standard_Boolean MeshVS_TextPrsBuilder::HasTexts ( const Standard_Boolean IsElement ) const
94{
95 Standard_Boolean aRes = (myNodeTextMap.Extent()>0);
96 if ( IsElement )
97 aRes = (myElemTextMap.Extent()>0);
98 return aRes;
99}
100
101//================================================================
102// Function : GetText
103// Purpose :
104//================================================================
105Standard_Boolean MeshVS_TextPrsBuilder::GetText ( const Standard_Boolean IsElement,
106 const Standard_Integer theID,
107 TCollection_AsciiString& theStr ) const
108{
109 const MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
110 if ( IsElement )
111 aMap = &myElemTextMap;
112
113 Standard_Boolean aRes = aMap->IsBound ( theID );
114 if ( aRes )
115 theStr = aMap->Find ( theID );
116
117 return aRes;
118}
119
120//================================================================
121// Function : SetText
122// Purpose :
123//================================================================
124void MeshVS_TextPrsBuilder::SetText ( const Standard_Boolean IsElement,
125 const Standard_Integer ID,
126 const TCollection_AsciiString& Text )
127{
128 MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
129 if ( IsElement )
130 aMap = &myElemTextMap;
131
132 Standard_Boolean aRes = aMap->IsBound ( ID );
133 if ( aRes )
134 aMap->ChangeFind ( ID ) = Text;
135 else
136 aMap->Bind ( ID, Text );
137}
138
139//================================================================
140// Function : Build
141// Purpose :
142//================================================================
143void MeshVS_TextPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs,
144 const TColStd_PackedMapOfInteger& IDs,
145 TColStd_PackedMapOfInteger& IDsToExclude,
146 const Standard_Boolean IsElement,
147 const Standard_Integer theDisplayMode ) const
148{
149 Handle (MeshVS_DataSource) aSource = GetDataSource();
150 Handle (MeshVS_Drawer) aDrawer = GetDrawer();
151 if ( aSource.IsNull() || aDrawer.IsNull() || !HasTexts( IsElement ) ||
152 ( theDisplayMode & GetFlags() ) == 0 )
153 return;
154
155 Standard_Integer aMaxFaceNodes;
156 Standard_Real aHeight;
157 if ( !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, aMaxFaceNodes ) ||
158 aMaxFaceNodes <= 0 ||
159 !aDrawer->GetDouble ( MeshVS_DA_TextHeight, aHeight ) )
160 return;
161
bf5f0ca2 162 Handle(Graphic3d_Group) aTextGroup = Prs->NewGroup();
7fd59977 163
164 Quantity_Color AColor = Quantity_NOC_YELLOW;
bf5f0ca2 165 Standard_CString AFont = Font_NOF_ASCII_MONO;
7fd59977 166 Standard_Real AExpansionFactor = 1.0;
167 Standard_Real ASpace = 0.0;
168 Aspect_TypeOfStyleText ATextStyle = Aspect_TOST_ANNOTATION;
169 Standard_Integer AStyleInt;
170 Aspect_TypeOfDisplayText ADisplayType = Aspect_TODT_NORMAL;
171 TCollection_AsciiString AFontString;
172 Standard_Integer ADispInt;
7fd59977 173 // Bold font is used by default for better text readability
eeaaaefb 174 Font_FontAspect AFontAspectType = Font_FA_Bold;
7fd59977 175 Standard_Integer AAspect;
176
177
178 aDrawer->GetColor ( MeshVS_DA_TextColor, AColor );
179 aDrawer->GetDouble ( MeshVS_DA_TextExpansionFactor, AExpansionFactor );
180 aDrawer->GetDouble ( MeshVS_DA_TextSpace, ASpace );
181
182 if ( aDrawer->GetAsciiString ( MeshVS_DA_TextFont, AFontString ) )
183 AFont = AFontString.ToCString();
184 if ( aDrawer->GetInteger ( MeshVS_DA_TextStyle, AStyleInt ) )
185 ATextStyle = (Aspect_TypeOfStyleText) AStyleInt;
186 if ( aDrawer->GetInteger ( MeshVS_DA_TextDisplayType, ADispInt ) )
187 ADisplayType = (Aspect_TypeOfDisplayText) ADispInt;
188 if ( aDrawer->GetInteger ( MeshVS_DA_TextFontAspect, AAspect ) )
eeaaaefb 189 AFontAspectType = (Font_FontAspect)AAspect;
7fd59977 190
191 Handle (Graphic3d_AspectText3d) aTextAspect = new Graphic3d_AspectText3d ( AColor, AFont, AExpansionFactor, ASpace,
192 ATextStyle, ADisplayType );
193 aTextAspect->SetTextFontAspect( AFontAspectType );
bf5f0ca2 194 aTextGroup->SetGroupPrimitivesAspect( aTextAspect );
7fd59977 195
7fd59977 196 MeshVS_Buffer aCoordsBuf (3*aMaxFaceNodes*sizeof(Standard_Real));
197 TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*aMaxFaceNodes);
198 Standard_Integer NbNodes;
199 TCollection_AsciiString aStr;
200 MeshVS_EntityType aType;
201 TColStd_PackedMapOfInteger aCustomElements;
202
203 Standard_Real X, Y, Z;
204
205 // subtract the hidden elements and ids to exclude (to minimise allocated memory)
206 TColStd_PackedMapOfInteger anIDs;
207 anIDs.Assign( IDs );
208 if ( IsElement )
209 {
210 Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems();
211 if ( !aHiddenElems.IsNull() )
212 anIDs.Subtract( aHiddenElems->Map() );
213 }
214 anIDs.Subtract( IDsToExclude );
215
bf5f0ca2 216 NCollection_Sequence<Graphic3d_Vec3> aPnts;
217 for (TColStd_MapIteratorOfPackedMapOfInteger it (anIDs); it.More(); it.Next())
7fd59977 218 {
219 Standard_Integer aKey = it.Key();
220 if( GetText ( IsElement, aKey, aStr ) )
221 {
222 if( aSource->GetGeom ( aKey, IsElement, aCoords, NbNodes, aType ) )
223 {
224 if( aType == MeshVS_ET_Node )
225 {
226 X = aCoords(1);
227 Y = aCoords(2);
228 Z = aCoords(3);
229 }
230 else if( aType == MeshVS_ET_Link ||
231 aType == MeshVS_ET_Face ||
232 aType == MeshVS_ET_Volume )
233 {
234 if( IsElement && IsExcludingOn() )
235 IDsToExclude.Add( aKey );
236 X = Y = Z = 0;
237 for ( Standard_Integer i=1; i<=NbNodes; i++ )
238 {
239 X += aCoords (3*i-2);
240 Y += aCoords (3*i-1);
241 Z += aCoords (3*i);
242 }
243 X /= Standard_Real ( NbNodes );
244 Y /= Standard_Real ( NbNodes );
245 Z /= Standard_Real ( NbNodes );
246 }
247 else
248 {
249 aCustomElements.Add( aKey );
250 continue;
251 }
252
bf5f0ca2 253 aPnts.Append (Graphic3d_Vec3 ((float )X, (float )Y, (float )Z));
a577aaab 254 Graphic3d_Vertex aPoint (X, Y, Z);
a577aaab 255 aTextGroup->Text (aStr.ToCString(), aPoint, aHeight);
7fd59977 256 }
257 }
258 }
259
bf5f0ca2 260 if (!aPnts.IsEmpty())
261 {
262 Handle(Graphic3d_Group) aMarkerGroup = Prs->NewGroup();
263 Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (aPnts.Size());
264 for (NCollection_Sequence<Graphic3d_Vec3>::Iterator aPntIter (aPnts); aPntIter.More(); aPntIter.Next())
265 {
266 const Graphic3d_Vec3& aPnt = aPntIter.Value();
267 anArrayOfPoints->AddVertex (aPnt.x(), aPnt.y(), aPnt.z());
268 }
269 Handle (Graphic3d_AspectMarker3d) anAspectMarker3d = new Graphic3d_AspectMarker3d (Aspect_TOM_POINT, Quantity_NOC_GRAY, 1.0);
270 aMarkerGroup->SetGroupPrimitivesAspect (anAspectMarker3d);
271 aMarkerGroup->AddPrimitiveArray (anArrayOfPoints);
272 }
273
7fd59977 274 if (!aCustomElements.IsEmpty())
275 CustomBuild ( Prs, aCustomElements, IDsToExclude, theDisplayMode );
276}