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0024166: Unable to create file with "Save" menu of voxeldemo Qt sample
[occt.git] / src / MeshVS / MeshVS_TextPrsBuilder.cxx
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b311480e 1// Created on: 2003-09-22
2// Created by: Alexander SOLOVYOV
3// Copyright (c) 2003-2012 OPEN CASCADE SAS
4//
5// The content of this file is subject to the Open CASCADE Technology Public
6// License Version 6.5 (the "License"). You may not use the content of this file
7// except in compliance with the License. Please obtain a copy of the License
8// at http://www.opencascade.org and read it completely before using this file.
9//
10// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
12//
13// The Original Code and all software distributed under the License is
14// distributed on an "AS IS" basis, without warranty of any kind, and the
15// Initial Developer hereby disclaims all such warranties, including without
16// limitation, any warranties of merchantability, fitness for a particular
17// purpose or non-infringement. Please see the License for the specific terms
18// and conditions governing the rights and limitations under the License.
19
7fd59977 20
21#include <MeshVS_TextPrsBuilder.ixx>
22
23#include <MeshVS_DisplayModeFlags.hxx>
24
25#include <Graphic3d_Group.hxx>
26#include <Prs3d_Root.hxx>
27#include <Prs3d_TextAspect.hxx>
28#include <Graphic3d_AspectText3d.hxx>
a577aaab 29#include <Graphic3d_ArrayOfPoints.hxx>
7fd59977 30#include <TColStd_ListIteratorOfListOfReal.hxx>
31#include <Graphic3d_Vertex.hxx>
32#include <Graphic3d_AspectMarker3d.hxx>
33#include <TColStd_Array1OfReal.hxx>
34#include <TCollection_AsciiString.hxx>
35#include <TColStd_MapIteratorOfPackedMapOfInteger.hxx>
36#include <TColStd_HPackedMapOfInteger.hxx>
37
38#include <MeshVS_DataSource.hxx>
39#include <MeshVS_Drawer.hxx>
40#include <MeshVS_Mesh.hxx>
41#include <MeshVS_DrawerAttribute.hxx>
42#include <MeshVS_Buffer.hxx>
43
aff395a3 44#include <Font_NameOfFont.hxx>
7fd59977 45
46//================================================================
47// Function : Constructor MeshVS_TextPrsBuilder
48// Purpose :
49//================================================================
50MeshVS_TextPrsBuilder::MeshVS_TextPrsBuilder ( const Handle(MeshVS_Mesh)& Parent,
51 const Standard_Real Height,
52 const Quantity_Color& Color,
53 const MeshVS_DisplayModeFlags& Flags,
54 const Handle (MeshVS_DataSource)& DS,
55 const Standard_Integer Id,
56 const MeshVS_BuilderPriority& Priority )
57 : MeshVS_PrsBuilder ( Parent, Flags, DS, Id, Priority )
58{
59 Handle ( MeshVS_Drawer ) aDrawer = GetDrawer();
60 if ( !aDrawer.IsNull() )
61 {
62 aDrawer->SetDouble ( MeshVS_DA_TextHeight, Height );
63 aDrawer->SetColor ( MeshVS_DA_TextColor, Color );
64 }
65}
66
67//================================================================
68// Function : GetTexts
69// Purpose :
70//================================================================
71const MeshVS_DataMapOfIntegerAsciiString& MeshVS_TextPrsBuilder::GetTexts ( const Standard_Boolean IsElements ) const
72{
73 if ( IsElements )
74 return myElemTextMap;
75 else
76 return myNodeTextMap;
77}
78
79//================================================================
80// Function : SetTexts
81// Purpose :
82//================================================================
83void MeshVS_TextPrsBuilder::SetTexts ( const Standard_Boolean IsElements,
84 const MeshVS_DataMapOfIntegerAsciiString& Map )
85{
86 if ( IsElements )
87 myElemTextMap = Map;
88 else
89 myNodeTextMap = Map;
90}
91
92//================================================================
93// Function : HasTexts
94// Purpose :
95//================================================================
96Standard_Boolean MeshVS_TextPrsBuilder::HasTexts ( const Standard_Boolean IsElement ) const
97{
98 Standard_Boolean aRes = (myNodeTextMap.Extent()>0);
99 if ( IsElement )
100 aRes = (myElemTextMap.Extent()>0);
101 return aRes;
102}
103
104//================================================================
105// Function : GetText
106// Purpose :
107//================================================================
108Standard_Boolean MeshVS_TextPrsBuilder::GetText ( const Standard_Boolean IsElement,
109 const Standard_Integer theID,
110 TCollection_AsciiString& theStr ) const
111{
112 const MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
113 if ( IsElement )
114 aMap = &myElemTextMap;
115
116 Standard_Boolean aRes = aMap->IsBound ( theID );
117 if ( aRes )
118 theStr = aMap->Find ( theID );
119
120 return aRes;
121}
122
123//================================================================
124// Function : SetText
125// Purpose :
126//================================================================
127void MeshVS_TextPrsBuilder::SetText ( const Standard_Boolean IsElement,
128 const Standard_Integer ID,
129 const TCollection_AsciiString& Text )
130{
131 MeshVS_DataMapOfIntegerAsciiString* aMap = &myNodeTextMap;
132 if ( IsElement )
133 aMap = &myElemTextMap;
134
135 Standard_Boolean aRes = aMap->IsBound ( ID );
136 if ( aRes )
137 aMap->ChangeFind ( ID ) = Text;
138 else
139 aMap->Bind ( ID, Text );
140}
141
142//================================================================
143// Function : Build
144// Purpose :
145//================================================================
146void MeshVS_TextPrsBuilder::Build ( const Handle(Prs3d_Presentation)& Prs,
147 const TColStd_PackedMapOfInteger& IDs,
148 TColStd_PackedMapOfInteger& IDsToExclude,
149 const Standard_Boolean IsElement,
150 const Standard_Integer theDisplayMode ) const
151{
152 Handle (MeshVS_DataSource) aSource = GetDataSource();
153 Handle (MeshVS_Drawer) aDrawer = GetDrawer();
154 if ( aSource.IsNull() || aDrawer.IsNull() || !HasTexts( IsElement ) ||
155 ( theDisplayMode & GetFlags() ) == 0 )
156 return;
157
158 Standard_Integer aMaxFaceNodes;
159 Standard_Real aHeight;
160 if ( !aDrawer->GetInteger ( MeshVS_DA_MaxFaceNodes, aMaxFaceNodes ) ||
161 aMaxFaceNodes <= 0 ||
162 !aDrawer->GetDouble ( MeshVS_DA_TextHeight, aHeight ) )
163 return;
164
165 Prs3d_Root::NewGroup ( Prs );
166 Handle (Graphic3d_Group) aTextGroup = Prs3d_Root::CurrentGroup ( Prs );
167
168 Quantity_Color AColor = Quantity_NOC_YELLOW;
169#ifdef WNT
170 Standard_CString AFont = "Courier New";
171#else
172 Standard_CString AFont = "Courier";
173#endif
174 Standard_Real AExpansionFactor = 1.0;
175 Standard_Real ASpace = 0.0;
176 Aspect_TypeOfStyleText ATextStyle = Aspect_TOST_ANNOTATION;
177 Standard_Integer AStyleInt;
178 Aspect_TypeOfDisplayText ADisplayType = Aspect_TODT_NORMAL;
179 TCollection_AsciiString AFontString;
180 Standard_Integer ADispInt;
7fd59977 181 // Bold font is used by default for better text readability
eeaaaefb 182 Font_FontAspect AFontAspectType = Font_FA_Bold;
7fd59977 183 Standard_Integer AAspect;
184
185
186 aDrawer->GetColor ( MeshVS_DA_TextColor, AColor );
187 aDrawer->GetDouble ( MeshVS_DA_TextExpansionFactor, AExpansionFactor );
188 aDrawer->GetDouble ( MeshVS_DA_TextSpace, ASpace );
189
190 if ( aDrawer->GetAsciiString ( MeshVS_DA_TextFont, AFontString ) )
191 AFont = AFontString.ToCString();
192 if ( aDrawer->GetInteger ( MeshVS_DA_TextStyle, AStyleInt ) )
193 ATextStyle = (Aspect_TypeOfStyleText) AStyleInt;
194 if ( aDrawer->GetInteger ( MeshVS_DA_TextDisplayType, ADispInt ) )
195 ADisplayType = (Aspect_TypeOfDisplayText) ADispInt;
196 if ( aDrawer->GetInteger ( MeshVS_DA_TextFontAspect, AAspect ) )
eeaaaefb 197 AFontAspectType = (Font_FontAspect)AAspect;
7fd59977 198
199 Handle (Graphic3d_AspectText3d) aTextAspect = new Graphic3d_AspectText3d ( AColor, AFont, AExpansionFactor, ASpace,
200 ATextStyle, ADisplayType );
201 aTextAspect->SetTextFontAspect( AFontAspectType );
202 Handle (Graphic3d_AspectMarker3d) anAspectMarker3d =
203 new Graphic3d_AspectMarker3d( Aspect_TOM_POINT, Quantity_NOC_GRAY, 1. );
204 aTextGroup->SetPrimitivesAspect( aTextAspect );
205 aTextGroup->SetPrimitivesAspect( anAspectMarker3d );
206
7fd59977 207 MeshVS_Buffer aCoordsBuf (3*aMaxFaceNodes*sizeof(Standard_Real));
208 TColStd_Array1OfReal aCoords (aCoordsBuf, 1, 3*aMaxFaceNodes);
209 Standard_Integer NbNodes;
210 TCollection_AsciiString aStr;
211 MeshVS_EntityType aType;
212 TColStd_PackedMapOfInteger aCustomElements;
213
214 Standard_Real X, Y, Z;
215
216 // subtract the hidden elements and ids to exclude (to minimise allocated memory)
217 TColStd_PackedMapOfInteger anIDs;
218 anIDs.Assign( IDs );
219 if ( IsElement )
220 {
221 Handle(TColStd_HPackedMapOfInteger) aHiddenElems = myParentMesh->GetHiddenElems();
222 if ( !aHiddenElems.IsNull() )
223 anIDs.Subtract( aHiddenElems->Map() );
224 }
225 anIDs.Subtract( IDsToExclude );
226
227 TColStd_MapIteratorOfPackedMapOfInteger it (anIDs);
228 for( ; it.More(); it.Next() )
229 {
230 Standard_Integer aKey = it.Key();
231 if( GetText ( IsElement, aKey, aStr ) )
232 {
233 if( aSource->GetGeom ( aKey, IsElement, aCoords, NbNodes, aType ) )
234 {
235 if( aType == MeshVS_ET_Node )
236 {
237 X = aCoords(1);
238 Y = aCoords(2);
239 Z = aCoords(3);
240 }
241 else if( aType == MeshVS_ET_Link ||
242 aType == MeshVS_ET_Face ||
243 aType == MeshVS_ET_Volume )
244 {
245 if( IsElement && IsExcludingOn() )
246 IDsToExclude.Add( aKey );
247 X = Y = Z = 0;
248 for ( Standard_Integer i=1; i<=NbNodes; i++ )
249 {
250 X += aCoords (3*i-2);
251 Y += aCoords (3*i-1);
252 Z += aCoords (3*i);
253 }
254 X /= Standard_Real ( NbNodes );
255 Y /= Standard_Real ( NbNodes );
256 Z /= Standard_Real ( NbNodes );
257 }
258 else
259 {
260 aCustomElements.Add( aKey );
261 continue;
262 }
263
a577aaab 264 Graphic3d_Vertex aPoint (X, Y, Z);
265 Handle(Graphic3d_ArrayOfPoints) anArrayOfPoints = new Graphic3d_ArrayOfPoints (1);
266 anArrayOfPoints->AddVertex (X, Y, Z);
267 aTextGroup->AddPrimitiveArray (anArrayOfPoints);
268 aTextGroup->Text (aStr.ToCString(), aPoint, aHeight);
7fd59977 269 }
270 }
271 }
272
7fd59977 273 if (!aCustomElements.IsEmpty())
274 CustomBuild ( Prs, aCustomElements, IDsToExclude, theDisplayMode );
275}
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