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mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-06-30 12:14:08 +03:00
occt/src/OpenGl/OpenGl_Group.cxx
bugmaster b311480ed5 0023024: Update headers of OCCT files
Added appropriate copyright and license information in source files
2012-03-21 19:43:04 +04:00

298 lines
8.5 KiB
C++

// Created on: 2011-08-01
// Created by: Sergey ZERCHANINOV
// Copyright (c) 2011-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.
#include <OpenGl_Group.hxx>
#include <OpenGl_TextureBox.hxx>
#include <OpenGl_PrimitiveArray.hxx>
/*----------------------------------------------------------------------*/
OpenGl_Group::OpenGl_Group ()
: myAspectLine(NULL),
myAspectFace(NULL),
myAspectMarker(NULL),
myAspectText(NULL),
myFirst(NULL), myLast(NULL)
{
}
OpenGl_Group::~OpenGl_Group()
{
Clear();
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::SetAspectLine (const CALL_DEF_CONTEXTLINE& theContext,
const Standard_Boolean theIsGlobal)
{
if (theIsGlobal || myFirst == NULL)
{
if (myAspectLine == NULL)
myAspectLine = new OpenGl_AspectLine();
myAspectLine->SetContext (theContext);
}
else
{
OpenGl_AspectLine* anAspectLine = new OpenGl_AspectLine();
anAspectLine->SetContext (theContext);
AddElement (TelNil/*TelAspectLine*/, anAspectLine);
}
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::SetAspectFace (const CALL_DEF_CONTEXTFILLAREA& theContext,
const Standard_Boolean theIsGlobal)
{
if (theIsGlobal || myFirst == NULL)
{
if (myAspectFace == NULL)
myAspectFace = new OpenGl_AspectFace();
myAspectFace->SetContext (theContext);
}
else
{
OpenGl_AspectFace* anAspectFace = new OpenGl_AspectFace();
anAspectFace->SetContext (theContext);
AddElement (TelNil/*TelAspectFace*/, anAspectFace);
}
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::SetAspectMarker (const CALL_DEF_CONTEXTMARKER& theContext,
const Standard_Boolean theIsGlobal)
{
if (theIsGlobal || myFirst == NULL)
{
if (myAspectMarker == NULL)
myAspectMarker = new OpenGl_AspectMarker();
myAspectMarker->SetContext (theContext);
}
else
{
OpenGl_AspectMarker* anAspectMarker = new OpenGl_AspectMarker();
anAspectMarker->SetContext (theContext);
AddElement (TelNil/*TelAspectMarker*/, anAspectMarker);
}
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::SetAspectText (const CALL_DEF_CONTEXTTEXT& theContext,
const Standard_Boolean theIsGlobal)
{
if (theIsGlobal || myFirst == NULL)
{
if (myAspectText == NULL)
myAspectText = new OpenGl_AspectText();
myAspectText->SetContext (theContext);
}
else
{
OpenGl_AspectText* anAspectText = new OpenGl_AspectText();
anAspectText->SetContext (theContext);
AddElement ( TelNil/*TelAspectText*/, anAspectText);
}
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::AddElement (const TelType AType, OpenGl_Element *AElem )
{
OpenGl_ElementNode *node = new OpenGl_ElementNode();
node->type = AType;
node->elem = AElem;
node->next = NULL;
(myLast? myLast->next : myFirst) = node;
myLast = node;
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::Clear ()
{
if (myAspectLine)
{
// Delete line context
delete myAspectLine;
myAspectLine = NULL;
}
if (myAspectFace)
{
// Delete face context
delete myAspectFace;
myAspectFace = NULL;
}
if (myAspectMarker)
{
// Delete marker context
delete myAspectMarker;
myAspectMarker = NULL;
}
if (myAspectText)
{
// Delete text context
delete myAspectText;
myAspectText = NULL;
}
// Delete elements
while (myFirst)
{
OpenGl_ElementNode *next = myFirst->next;
delete myFirst->elem;
delete myFirst;
myFirst = next;
}
myLast = NULL;
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::RemovePrimitiveArray (CALL_DEF_PARRAY *APArray)
{
OpenGl_ElementNode *prevnode = NULL, *node = myFirst;
while (node)
{
if (node->type == TelParray)
{
CALL_DEF_PARRAY *aCurPArray = ((const OpenGl_PrimitiveArray *)node->elem)->PArray();
// validate for correct pointer
if (aCurPArray->num_bounds == APArray->num_bounds &&
aCurPArray->num_edges == APArray->num_edges &&
aCurPArray->num_vertexs == APArray->num_vertexs &&
aCurPArray->type == APArray->type)
{
(prevnode? prevnode->next : myFirst) = node->next;
if (!myFirst) myLast = NULL;
delete node->elem;
delete node;
break;
}
}
prevnode = node;
node = node->next;
}
}
/*----------------------------------------------------------------------*/
void OpenGl_Group::Render (const Handle(OpenGl_Workspace) &AWorkspace) const
{
// Is rendering in ADD or IMMEDIATE mode?
const Standard_Boolean isImmediate = (AWorkspace->NamedStatus & (OPENGL_NS_ADD | OPENGL_NS_IMMEDIATE)) != 0;
// Setup aspects
const OpenGl_AspectLine *aspect_line = AWorkspace->AspectLine(Standard_False);
const OpenGl_AspectFace *aspect_face = AWorkspace->AspectFace(Standard_False);
const OpenGl_AspectMarker *aspect_marker = AWorkspace->AspectMarker(Standard_False);
const OpenGl_AspectText *aspect_text = AWorkspace->AspectText(Standard_False);
if (myAspectLine)
AWorkspace->SetAspectLine(myAspectLine);
if (myAspectFace)
AWorkspace->SetAspectFace(myAspectFace);
if (myAspectMarker)
AWorkspace->SetAspectMarker(myAspectMarker);
if (myAspectText)
AWorkspace->SetAspectText(myAspectText);
// Render group elements
OpenGl_ElementNode *node = myFirst;
while (node)
{
switch (node->type)
{
case TelPolyline:
case TelMarker:
case TelMarkerSet:
case TelText:
{
glDisable(GL_LIGHTING);
if (isImmediate)
{
glDepthMask(GL_FALSE);
}
else if ( (AWorkspace->NamedStatus & OPENGL_NS_ANIMATION) != 0 &&
(AWorkspace->NamedStatus & OPENGL_NS_WIREFRAME) == 0 &&
AWorkspace->DegenerateModel != 0 )
{
glDisable( GL_DEPTH_TEST );
if ( AWorkspace->NamedStatus & OPENGL_NS_TEXTURE ) DisableTexture();
AWorkspace->NamedStatus |= OPENGL_NS_WIREFRAME;
}
node->elem->Render( AWorkspace );
if ( !isImmediate && (AWorkspace->NamedStatus & OPENGL_NS_TEXTURE) != 0 ) EnableTexture();
break;
}
case TelPolygon:
case TelPolygonIndices:
case TelQuadrangle:
case TelTriangleMesh:
{
if (isImmediate)
{
glDepthMask(GL_FALSE);
}
else if ( (AWorkspace->NamedStatus & OPENGL_NS_ANIMATION) != 0 &&
(AWorkspace->NamedStatus & OPENGL_NS_WIREFRAME) != 0 &&
AWorkspace->DegenerateModel < 2 )
{
if ( AWorkspace->NamedStatus & OPENGL_NS_TEXTURE ) EnableTexture ();
glEnable( GL_DEPTH_TEST );
AWorkspace->NamedStatus &= ~OPENGL_NS_WIREFRAME;
}
if ( AWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT )
AWorkspace->DisablePolygonOffset();
node->elem->Render( AWorkspace );
if ( AWorkspace->NamedStatus & OPENGL_NS_HIGHLIGHT )
AWorkspace->EnablePolygonOffset();
break;
}
default:
{
node->elem->Render( AWorkspace );
break;
}
}
node = node->next;
}
// Restore aspects
AWorkspace->SetAspectLine(aspect_line);
AWorkspace->SetAspectFace(aspect_face);
AWorkspace->SetAspectMarker(aspect_marker);
AWorkspace->SetAspectText(aspect_text);
}
/*----------------------------------------------------------------------*/