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0031511: Point Cloud Rendering, Volume Rendering - reuse Graphic3d_CullingTool
[occt.git] / src / Graphic3d / Graphic3d_Group.cxx
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b311480e 1// Created by: NW,JPB,CAL
2// Copyright (c) 1991-1999 Matra Datavision
973c2be1 3// Copyright (c) 1999-2014 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
59ec40f8 16#include <Graphic3d_Group.hxx>
7fd59977 17
42cf5bc1 18#include <gp_Ax2.hxx>
b64d84be 19#include <gp_Pnt.hxx>
20#include <Graphic3d_ArrayOfPoints.hxx>
42cf5bc1 21#include <Graphic3d_ArrayOfPrimitives.hxx>
22#include <Graphic3d_AspectFillArea3d.hxx>
23#include <Graphic3d_AspectLine3d.hxx>
24#include <Graphic3d_AspectMarker3d.hxx>
25#include <Graphic3d_AspectText3d.hxx>
26#include <Graphic3d_CStructure.hxx>
42cf5bc1 27#include <Graphic3d_GroupDefinitionError.hxx>
b64d84be 28#include <Graphic3d_ShaderProgram.hxx>
42cf5bc1 29#include <Graphic3d_Structure.hxx>
19286d7c 30#include "Graphic3d_Structure.pxx"
42cf5bc1 31#include <Graphic3d_StructureManager.hxx>
8ed07085 32#include <Graphic3d_Text.hxx>
b64d84be 33#include <Graphic3d_TextureMap.hxx>
42cf5bc1 34#include <Graphic3d_TransModeFlags.hxx>
b64d84be 35#include <Message.hxx>
36#include <Message_Messenger.hxx>
37#include <NCollection_String.hxx>
42cf5bc1 38#include <Standard_OutOfRange.hxx>
39#include <Standard_Type.hxx>
b64d84be 40#include <TCollection_AsciiString.hxx>
42cf5bc1 41#include <TCollection_ExtendedString.hxx>
7fd59977 42
25e59720 43IMPLEMENT_STANDARD_RTTIEXT(Graphic3d_Group,Standard_Transient)
92efcf78 44
b64d84be 45// =======================================================================
46// function : Graphic3d_Group
47// purpose :
48// =======================================================================
49Graphic3d_Group::Graphic3d_Group (const Handle(Graphic3d_Structure)& theStruct)
59ec40f8 50: myStructure (theStruct.operator->()),
51 myIsClosed (false),
52 myContainsFacet (false)
b64d84be 53{
b64d84be 54 //
59ec40f8 55}
7fd59977 56
59ec40f8 57// =======================================================================
58// function : ~Graphic3d_Group
59// purpose :
60// =======================================================================
61Graphic3d_Group::~Graphic3d_Group()
62{
63 // tell graphics driver to clear internal resources of the group
64 Clear (Standard_False);
b64d84be 65}
66
67// =======================================================================
68// function : Clear
69// purpose :
70// =======================================================================
71void Graphic3d_Group::Clear (Standard_Boolean theUpdateStructureMgr)
72{
73 if (IsDeleted())
74 {
75 return;
76 }
77
b7cd4ba7 78 myBounds.Clear();
7fd59977 79
59ec40f8 80 if (myContainsFacet)
b64d84be 81 {
82 myStructure->GroupsWithFacet (-1);
59ec40f8 83 myContainsFacet = false;
b64d84be 84 }
7fd59977 85
b64d84be 86 // clear method could be used on Graphic3d_Structure destruction,
87 // and its structure manager could be already destroyed, in that
88 // case we don't need to update it;
89 if (theUpdateStructureMgr)
90 {
91 Update();
92 }
93}
7fd59977 94
b64d84be 95// =======================================================================
96// function : Remove
97// purpose :
98// =======================================================================
99void Graphic3d_Group::Remove()
7fd59977 100{
b64d84be 101 if (IsDeleted())
102 {
103 return;
104 }
7fd59977 105
59ec40f8 106 if (myContainsFacet)
b64d84be 107 {
108 myStructure->GroupsWithFacet (-1);
59ec40f8 109 myContainsFacet = false;
b64d84be 110 }
111 myStructure->Remove (this);
7fd59977 112
b64d84be 113 Update();
7fd59977 114
b7cd4ba7 115 myBounds.Clear();
b64d84be 116}
117
118// =======================================================================
119// function : IsDeleted
120// purpose :
121// =======================================================================
122Standard_Boolean Graphic3d_Group::IsDeleted() const
123{
124 return myStructure == NULL
125 || myStructure->IsDeleted();
126}
127
b64d84be 128// =======================================================================
129// function : IsEmpty
130// purpose :
131// =======================================================================
132Standard_Boolean Graphic3d_Group::IsEmpty() const
133{
134 if (IsDeleted())
135 {
136 return Standard_True;
137 }
138
9cc773b5 139 return !myStructure->IsInfinite()
140 && !myBounds.IsValid();
b64d84be 141}
142
143// =======================================================================
144// function : SetMinMaxValues
145// purpose :
146// =======================================================================
147void Graphic3d_Group::SetMinMaxValues (const Standard_Real theXMin, const Standard_Real theYMin, const Standard_Real theZMin,
148 const Standard_Real theXMax, const Standard_Real theYMax, const Standard_Real theZMax)
149{
ecc1d911 150 myBounds = Graphic3d_BndBox4f (Graphic3d_Vec4 (static_cast<Standard_ShortReal> (theXMin),
151 static_cast<Standard_ShortReal> (theYMin),
152 static_cast<Standard_ShortReal> (theZMin),
153 1.0f),
154 Graphic3d_Vec4 (static_cast<Standard_ShortReal> (theXMax),
155 static_cast<Standard_ShortReal> (theYMax),
156 static_cast<Standard_ShortReal> (theZMax),
157 1.0f));
b64d84be 158}
159
b64d84be 160// =======================================================================
161// function : Structure
162// purpose :
163// =======================================================================
164Handle(Graphic3d_Structure) Graphic3d_Group::Structure() const
165{
166 return myStructure;
167}
168
169// =======================================================================
59ec40f8 170// function : MinMaxValues
b64d84be 171// purpose :
172// =======================================================================
59ec40f8 173void Graphic3d_Group::MinMaxValues (Standard_Real& theXMin, Standard_Real& theYMin, Standard_Real& theZMin,
174 Standard_Real& theXMax, Standard_Real& theYMax, Standard_Real& theZMax) const
b64d84be 175{
176 if (IsEmpty())
177 {
178 // Empty Group
179 theXMin = theYMin = theZMin = ShortRealFirst();
180 theXMax = theYMax = theZMax = ShortRealLast();
181 }
b7cd4ba7 182 else if (myBounds.IsValid())
183 {
184 const Graphic3d_Vec4& aMinPt = myBounds.CornerMin();
185 const Graphic3d_Vec4& aMaxPt = myBounds.CornerMax();
186 theXMin = Standard_Real (aMinPt.x());
187 theYMin = Standard_Real (aMinPt.y());
188 theZMin = Standard_Real (aMinPt.z());
189 theXMax = Standard_Real (aMaxPt.x());
190 theYMax = Standard_Real (aMaxPt.y());
191 theZMax = Standard_Real (aMaxPt.z());
192 }
b64d84be 193 else
194 {
b7cd4ba7 195 // for consistency with old API
196 theXMin = theYMin = theZMin = ShortRealLast();
197 theXMax = theYMax = theZMax = ShortRealFirst();
b64d84be 198 }
199}
200
201// =======================================================================
202// function : Update
203// purpose :
204// =======================================================================
205void Graphic3d_Group::Update() const
206{
207 if (IsDeleted())
208 {
209 return;
210 }
211
cfece3ef 212 myStructure->StructureManager()->Update();
b64d84be 213}
214
b64d84be 215// =======================================================================
b64d84be 216// function : AddPrimitiveArray
217// purpose :
218// =======================================================================
219void Graphic3d_Group::AddPrimitiveArray (const Handle(Graphic3d_ArrayOfPrimitives)& thePrim,
220 const Standard_Boolean theToEvalMinMax)
221{
222 if (IsDeleted()
223 || !thePrim->IsValid())
224 {
225 return;
226 }
227
871fa103 228 AddPrimitiveArray (thePrim->Type(), thePrim->Indices(), thePrim->Attributes(), thePrim->Bounds(), theToEvalMinMax);
229}
230
231// =======================================================================
232// function : AddPrimitiveArray
233// purpose :
234// =======================================================================
235void Graphic3d_Group::AddPrimitiveArray (const Graphic3d_TypeOfPrimitiveArray theType,
236 const Handle(Graphic3d_IndexBuffer)& ,
237 const Handle(Graphic3d_Buffer)& theAttribs,
238 const Handle(Graphic3d_BoundBuffer)& ,
239 const Standard_Boolean theToEvalMinMax)
240{
241 if (IsDeleted()
242 || theAttribs.IsNull())
243 {
244 return;
245 }
246
59ec40f8 247 if (!myContainsFacet
871fa103 248 && theType != Graphic3d_TOPA_POLYLINES
249 && theType != Graphic3d_TOPA_SEGMENTS
250 && theType != Graphic3d_TOPA_POINTS)
b64d84be 251 {
252 myStructure->GroupsWithFacet (1);
59ec40f8 253 myContainsFacet = true;
b64d84be 254 }
255
da87ddc3 256 if (!theToEvalMinMax)
b64d84be 257 {
da87ddc3 258 Update();
259 return;
260 }
261
262 const Standard_Integer aNbVerts = theAttribs->NbElements;
263 Standard_Integer anAttribIndex = 0;
264 Standard_Size anAttribStride = 0;
265 const Standard_Byte* aDataPtr = theAttribs->AttributeData (Graphic3d_TOA_POS, anAttribIndex, anAttribStride);
266 if (aDataPtr == NULL)
267 {
268 Update();
269 return;
270 }
271
272 switch (theAttribs->Attribute (anAttribIndex).DataType)
273 {
274 case Graphic3d_TOD_VEC2:
b64d84be 275 {
da87ddc3 276 for (Standard_Integer aVertIter = 0; aVertIter < aNbVerts; ++aVertIter)
871fa103 277 {
da87ddc3 278 const Graphic3d_Vec2& aVert = *reinterpret_cast<const Graphic3d_Vec2* >(aDataPtr + anAttribStride * aVertIter);
279 myBounds.Add (Graphic3d_Vec4 (aVert.x(), aVert.y(), 0.0f, 1.0f));
871fa103 280 }
da87ddc3 281 break;
282 }
283 case Graphic3d_TOD_VEC3:
284 case Graphic3d_TOD_VEC4:
285 {
286 for (Standard_Integer aVertIter = 0; aVertIter < aNbVerts; ++aVertIter)
871fa103 287 {
da87ddc3 288 const Graphic3d_Vec3& aVert = *reinterpret_cast<const Graphic3d_Vec3* >(aDataPtr + anAttribStride * aVertIter);
289 myBounds.Add (Graphic3d_Vec4 (aVert.x(), aVert.y(), aVert.z(), 1.0f));
871fa103 290 }
291 break;
b64d84be 292 }
da87ddc3 293 default: break;
b64d84be 294 }
b64d84be 295 Update();
296}
297
298// =======================================================================
299// function : Marker
300// purpose :
301// =======================================================================
302void Graphic3d_Group::Marker (const Graphic3d_Vertex& thePoint,
303 const Standard_Boolean theToEvalMinMax)
304{
305 Handle(Graphic3d_ArrayOfPoints) aPoints = new Graphic3d_ArrayOfPoints (1);
306 aPoints->AddVertex (thePoint.X(), thePoint.Y(), thePoint.Z());
307 AddPrimitiveArray (aPoints, theToEvalMinMax);
308}
309
b64d84be 310// =======================================================================
311// function : Text
312// purpose :
313// =======================================================================
8ed07085 314void Graphic3d_Group::Text (const Standard_CString theText,
b64d84be 315 const Graphic3d_Vertex& thePoint,
8ed07085 316 const Standard_Real theHeight,
ee2be2a8 317 const Standard_Real /*theAngle*/,
b64d84be 318 const Graphic3d_TextPath /*theTp*/,
8ed07085 319 const Graphic3d_HorizontalTextAlignment theHta,
320 const Graphic3d_VerticalTextAlignment theVta,
b64d84be 321 const Standard_Boolean theToEvalMinMax)
322{
8ed07085 323 Handle(Graphic3d_Text) aText = new Graphic3d_Text ((Standard_ShortReal)theHeight);
324 aText->SetText (theText);
325 aText->SetPosition (gp_Pnt (thePoint.X(), thePoint.Y(), thePoint.Z()));
326 aText->SetHorizontalAlignment (theHta);
327 aText->SetVerticalAlignment (theVta);
328 AddText (aText, theToEvalMinMax);
b64d84be 329}
330
331// =======================================================================
332// function : Text
333// purpose :
334// =======================================================================
335void Graphic3d_Group::Text (const Standard_CString theText,
336 const Graphic3d_Vertex& thePoint,
337 const Standard_Real theHeight,
338 const Standard_Boolean theToEvalMinMax)
339{
8ed07085 340 Handle(Graphic3d_Text) aText = new Graphic3d_Text ((Standard_ShortReal)theHeight);
341 aText->SetText (theText);
342 aText->SetPosition (gp_Pnt (thePoint.X(), thePoint.Y(), thePoint.Z()));
343 AddText (aText, theToEvalMinMax);
b64d84be 344}
345
346// =======================================================================
347// function : Text
348// purpose :
349// =======================================================================
350void Graphic3d_Group::Text (const TCollection_ExtendedString& theText,
351 const Graphic3d_Vertex& thePoint,
352 const Standard_Real theHeight,
8ed07085 353 const Standard_Real /*theAngle*/,
354 const Graphic3d_TextPath /*theTp*/,
b64d84be 355 const Graphic3d_HorizontalTextAlignment theHta,
356 const Graphic3d_VerticalTextAlignment theVta,
357 const Standard_Boolean theToEvalMinMax)
358{
8ed07085 359 Handle(Graphic3d_Text) aText = new Graphic3d_Text ((Standard_ShortReal)theHeight);
360 aText->SetText (theText.ToExtString());
361 aText->SetPosition (gp_Pnt (thePoint.X(), thePoint.Y(), thePoint.Z()));
362 aText->SetHorizontalAlignment (theHta);
363 aText->SetVerticalAlignment (theVta);
364 AddText (aText, theToEvalMinMax);
b64d84be 365}
366
ce01ec26 367// =======================================================================
368// function : Text
369// purpose :
370// =======================================================================
371void Graphic3d_Group::Text (const TCollection_ExtendedString& theText,
372 const gp_Ax2& theOrientation,
373 const Standard_Real theHeight,
8ed07085 374 const Standard_Real /*theAngle*/,
375 const Graphic3d_TextPath /*theTP*/,
376 const Graphic3d_HorizontalTextAlignment theHta,
377 const Graphic3d_VerticalTextAlignment theVta,
3f1eb0ab 378 const Standard_Boolean theToEvalMinMax,
379 const Standard_Boolean theHasOwnAnchor)
ce01ec26 380{
8ed07085 381 Handle(Graphic3d_Text) aText = new Graphic3d_Text ((Standard_ShortReal)theHeight);
382 aText->SetText (theText.ToExtString());
383 aText->SetOrientation (theOrientation);
384 aText->SetOwnAnchorPoint (theHasOwnAnchor);
385 aText->SetHorizontalAlignment (theHta);
386 aText->SetVerticalAlignment (theVta);
387 AddText (aText, theToEvalMinMax);
ce01ec26 388}
389
390// =======================================================================
391// function : Text
392// purpose :
393// =======================================================================
8ed07085 394void Graphic3d_Group::Text (const Standard_CString theText,
ce01ec26 395 const gp_Ax2& theOrientation,
8ed07085 396 const Standard_Real theHeight,
ee2be2a8 397 const Standard_Real /*theAngle*/,
ce01ec26 398 const Graphic3d_TextPath /*theTp*/,
8ed07085 399 const Graphic3d_HorizontalTextAlignment theHta,
400 const Graphic3d_VerticalTextAlignment theVta,
3f1eb0ab 401 const Standard_Boolean theToEvalMinMax,
8ed07085 402 const Standard_Boolean theHasOwnAnchor)
ce01ec26 403{
8ed07085 404 Handle(Graphic3d_Text) aText = new Graphic3d_Text ((Standard_ShortReal)theHeight);
405 aText->SetText (theText);
406 aText->SetOrientation (theOrientation);
407 aText->SetOwnAnchorPoint (theHasOwnAnchor);
408 aText->SetHorizontalAlignment (theHta);
409 aText->SetVerticalAlignment (theVta);
410 AddText (aText, theToEvalMinMax);
ce01ec26 411}
412
b64d84be 413// =======================================================================
414// function : Text
415// purpose :
416// =======================================================================
417void Graphic3d_Group::Text (const TCollection_ExtendedString& theText,
418 const Graphic3d_Vertex& thePoint,
419 const Standard_Real theHeight,
420 const Standard_Boolean theToEvalMinMax)
421{
8ed07085 422 Handle(Graphic3d_Text) aText = new Graphic3d_Text ((Standard_ShortReal)theHeight);
423 aText->SetText (theText.ToExtString());
424 aText->SetPosition (gp_Pnt (thePoint.X(), thePoint.Y(), thePoint.Z()));
425 AddText (aText, theToEvalMinMax);
426}
427
428// =======================================================================
429// function : AddText
430// purpose :
431// =======================================================================
432void Graphic3d_Group::AddText (const Handle(Graphic3d_Text)& theTextParams,
433 const Standard_Boolean theToEvalMinMax)
434{
435 if (IsDeleted())
436 {
437 return;
438 }
439
440 if (theToEvalMinMax)
441 {
442 myStructure->CStructure()->Is2dText = !theTextParams->HasPlane();
443
444 gp_Pnt aPosition = theTextParams->Position();
445 myBounds.Add (Graphic3d_Vec4 ((Standard_ShortReal)aPosition.X(), (Standard_ShortReal)aPosition.Y(), (Standard_ShortReal)aPosition.Z(), 1.0f));
446 }
447
448 Update();
7fd59977 449}
0904aa63 450
451// =======================================================================
452// function : DumpJson
453// purpose :
454// =======================================================================
bc73b006 455void Graphic3d_Group::DumpJson (Standard_OStream& theOStream, Standard_Integer) const
0904aa63 456{
bc73b006 457 OCCT_DUMP_TRANSIENT_CLASS_BEGIN (theOStream)
0904aa63 458
bc73b006 459 OCCT_DUMP_FIELD_VALUE_POINTER (theOStream, this)
460 OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myIsClosed)
461 OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myContainsFacet)
0904aa63 462}
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