Files
create/src/Gui/ViewProviderPlane.cpp
2023-05-05 03:09:36 -04:00

120 lines
4.5 KiB
C++

/***************************************************************************
* Copyright (c) 2012 Jürgen Riegel <juergen.riegel@web.de> *
* Copyright (c) 2015 Alexander Golubev (Fat-Zer) <fatzer2@gmail.com> *
* *
* 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_
# include <Inventor/nodes/SoAsciiText.h>
# include <Inventor/nodes/SoCoordinate3.h>
# include <Inventor/nodes/SoFaceSet.h>
# include <Inventor/nodes/SoIndexedLineSet.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoPickStyle.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoShapeHints.h>
# include <Inventor/nodes/SoTranslation.h>
# include <Inventor/SbColor.h>
#endif
#include "ViewProviderPlane.h"
#include "ViewProviderOrigin.h"
using namespace Gui;
PROPERTY_SOURCE(Gui::ViewProviderPlane, Gui::ViewProviderOriginFeature)
ViewProviderPlane::ViewProviderPlane()
{
sPixmap = "Std_Plane";
}
ViewProviderPlane::~ViewProviderPlane()
{ }
void ViewProviderPlane::attach ( App::DocumentObject *obj ) {
ViewProviderOriginFeature::attach ( obj );
static const float size = ViewProviderOrigin::defaultSize ();
static const SbVec3f verts[4] = {
SbVec3f(size,size,0), SbVec3f(size,-size,0),
SbVec3f(-size,-size,0), SbVec3f(-size,size,0),
};
// indexes used to create the edges
static const int32_t lines[6] = { 0, 1, 2, 3, 0, -1 };
SoSeparator *sep = getOriginFeatureRoot ();
auto pCoords = new SoCoordinate3 ();
pCoords->point.setNum (4);
pCoords->point.setValues ( 0, 4, verts );
sep->addChild ( pCoords );
auto pLines = new SoIndexedLineSet ();
pLines->coordIndex.setNum(6);
pLines->coordIndex.setValues(0, 6, lines);
sep->addChild ( pLines );
// add semi transparent face
auto faceSeparator = new SoSeparator();
sep->addChild(faceSeparator);
auto material = new SoMaterial();
material->transparency.setValue(0.95f);
auto color = new SbColor();
float alpha = 0.0f;
color->setPackedValue(ViewProviderOrigin::defaultColor, alpha);
material->ambientColor.setValue(*color);
material->diffuseColor.setValue(*color);
faceSeparator->addChild(material);
// disable backface culling and render with two-sided lighting
auto shapeHints = new SoShapeHints();
shapeHints->vertexOrdering = SoShapeHints::COUNTERCLOCKWISE;
shapeHints->shapeType = SoShapeHints::UNKNOWN_SHAPE_TYPE;
faceSeparator->addChild(shapeHints);
// disable picking
auto pickStyle = new SoPickStyle();
pickStyle->style = SoPickStyle::UNPICKABLE;
faceSeparator->addChild(pickStyle);
auto faceSet = new SoFaceSet();
auto vertexProperty = new SoVertexProperty();
vertexProperty->vertex.setValues(0, 4, verts);
faceSet->vertexProperty.setValue(vertexProperty);
faceSeparator->addChild(faceSet);
auto textTranslation = new SoTranslation ();
textTranslation->translation.setValue ( SbVec3f ( -size * 49. / 50., size * 9./10., 0 ) );
sep->addChild ( textTranslation );
auto ps = new SoPickStyle();
ps->style.setValue(SoPickStyle::BOUNDING_BOX);
sep->addChild(ps);
sep->addChild ( getLabel () );
}