Files
create/src/Gui/Inventor/So3DAnnotation.cpp
2024-07-20 01:07:04 +08:00

93 lines
3.2 KiB
C++

/***************************************************************************
* Copyright (c) 2024 Kacper Donat <kacper@kadet.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#ifdef FC_OS_MACOSX
#include <OpenGL/gl.h>
#else
#include <GL/gl.h>
#endif
#include <Inventor/elements/SoCacheElement.h>
#endif
#include "So3DAnnotation.h"
using namespace Gui;
SO_NODE_SOURCE(So3DAnnotation);
So3DAnnotation::So3DAnnotation()
{
SO_NODE_CONSTRUCTOR(So3DAnnotation);
}
void So3DAnnotation::initClass()
{
SO_NODE_INIT_CLASS(So3DAnnotation, SoSeparator, "3DAnnotation");
}
void So3DAnnotation::GLRender(SoGLRenderAction* action)
{
switch (action->getCurPathCode()) {
case SoAction::NO_PATH:
case SoAction::BELOW_PATH:
this->GLRenderBelowPath(action);
break;
case SoAction::OFF_PATH:
// do nothing. Separator will reset state.
break;
case SoAction::IN_PATH:
this->GLRenderInPath(action);
break;
}
}
void So3DAnnotation::GLRenderBelowPath(SoGLRenderAction* action)
{
if (action->isRenderingDelayedPaths()) {
glClear(GL_DEPTH_BUFFER_BIT);
inherited::GLRenderBelowPath(action);
}
else {
SoCacheElement::invalidate(action->getState());
action->addDelayedPath(action->getCurPath()->copy());
}
}
void So3DAnnotation::GLRenderInPath(SoGLRenderAction* action)
{
if (action->isRenderingDelayedPaths()) {
glClear(GL_DEPTH_BUFFER_BIT);
inherited::GLRenderInPath(action);
}
else {
SoCacheElement::invalidate(action->getState());
action->addDelayedPath(action->getCurPath()->copy());
}
}
void So3DAnnotation::GLRenderOffPath(SoGLRenderAction* /* action */)
{
// should never render, this is a separator node
}