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aff82808959c17ec9b4a75d4f58a42e567656aa5
create/src/Gui/ViewProviderGeometryObject.cpp

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/***************************************************************************
* Copyright (c) 2006 Werner Mayer <wmayer[at]users.sourceforge.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_
# include <cfloat>
# include <QAction>
# include <QMenu>
# include <Inventor/actions/SoSearchAction.h>
# include <Inventor/draggers/SoDragger.h>
# include <Inventor/draggers/SoCenterballDragger.h>
# include <Inventor/manips/SoCenterballManip.h>
# include <Inventor/nodes/SoBaseColor.h>
# include <Inventor/nodes/SoCamera.h>
# include <Inventor/nodes/SoDrawStyle.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoSwitch.h>
# include <Inventor/nodes/SoDirectionalLight.h>
# include <Inventor/nodes/SoPickStyle.h>
# include <Inventor/sensors/SoNodeSensor.h>
# include <Inventor/SoPickedPoint.h>
# include <Inventor/actions/SoRayPickAction.h>
#endif
/// Here the FreeCAD includes sorted by Base,App,Gui......
#include "ViewProviderGeometryObject.h"
#include "View3DInventorViewer.h"
#include "SoFCSelection.h"
#include "SoFCBoundingBox.h"
#include "Application.h"
#include "Document.h"
#include "Window.h"
#include <Base/Console.h>
#include <Base/Placement.h>
#include <App/PropertyGeo.h>
#include <App/GeoFeature.h>
#include <Inventor/draggers/SoCenterballDragger.h>
#include <Inventor/nodes/SoResetTransform.h>
#if (COIN_MAJOR_VERSION > 2)
#include <Inventor/nodes/SoDepthBuffer.h>
#endif
#include "SoFCUnifiedSelection.h"
#include "SoFCCSysDragger.h"
#include "Control.h"
#include "TaskCSysDragger.h"
#include <boost/math/special_functions/fpclassify.hpp>
using namespace Gui;
PROPERTY_SOURCE(Gui::ViewProviderGeometryObject, Gui::ViewProviderDragger)
const App::PropertyIntegerConstraint::Constraints intPercent = {0,100,1};
ViewProviderGeometryObject::ViewProviderGeometryObject() : pcBoundSwitch(0),pcBoundColor(0)
{
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
bool randomColor = hGrp->GetBool("RandomColor", false);
float r,g,b;
if(randomColor){
float fMax = (float)RAND_MAX;
r = (float)rand()/fMax;
g = (float)rand()/fMax;
b = (float)rand()/fMax;
}
else {
unsigned long shcol = hGrp->GetUnsigned("DefaultShapeColor",3435973887UL); // light gray (204,204,204)
r = ((shcol >> 24) & 0xff) / 255.0;
g = ((shcol >> 16) & 0xff) / 255.0;
b = ((shcol >> 8) & 0xff) / 255.0;
}
ADD_PROPERTY(ShapeColor,(r, g, b));
ADD_PROPERTY(Transparency,(0));
Transparency.setConstraints(&intPercent);
App::Material mat(App::Material::DEFAULT);
ADD_PROPERTY(ShapeMaterial,(mat));
ADD_PROPERTY(BoundingBox,(false));
ADD_PROPERTY(Selectable,(true));
ADD_PROPERTY(SelectionStyle,((long)0));
static const char *SelectionStyleEnum[] = {"Shape","BoundBox",0};
SelectionStyle.setEnums(SelectionStyleEnum);
bool enableSel = hGrp->GetBool("EnableSelection", true);
Selectable.setValue(enableSel);
pcShapeMaterial = new SoMaterial;
pcShapeMaterial->ref();
//ShapeMaterial.touch(); materials are rarely used, so better to initialize with default shape color
ShapeColor.touch();
pcBoundingBox = new Gui::SoFCBoundingBox;
pcBoundingBox->ref();
sPixmap = "Feature";
}
ViewProviderGeometryObject::~ViewProviderGeometryObject()
{
pcShapeMaterial->unref();
pcBoundingBox->unref();
}
void ViewProviderGeometryObject::onChanged(const App::Property* prop)
{
// Actually, the properties 'ShapeColor' and 'Transparency' are part of the property 'ShapeMaterial'.
// Both redundant properties are kept due to more convenience for the user. But we must keep the values
// consistent of all these properties.
if (prop == &Selectable) {
bool Sel = Selectable.getValue();
setSelectable(Sel);
}
else if (prop == &ShapeColor) {
const App::Color& c = ShapeColor.getValue();
pcShapeMaterial->diffuseColor.setValue(c.r,c.g,c.b);
if (c != ShapeMaterial.getValue().diffuseColor)
ShapeMaterial.setDiffuseColor(c);
}
else if (prop == &Transparency) {
const App::Material& Mat = ShapeMaterial.getValue();
long value = (long)(100*Mat.transparency);
if (value != Transparency.getValue()) {
float trans = Transparency.getValue()/100.0f;
pcShapeMaterial->transparency = trans;
ShapeMaterial.setTransparency(trans);
}
}
else if (prop == &ShapeMaterial) {
const App::Material& Mat = ShapeMaterial.getValue();
long value = (long)(100*Mat.transparency);
if (value != Transparency.getValue())
Transparency.setValue(value);
const App::Color& color = Mat.diffuseColor;
if (color != ShapeColor.getValue())
ShapeColor.setValue(Mat.diffuseColor);
pcShapeMaterial->ambientColor.setValue(Mat.ambientColor.r,Mat.ambientColor.g,Mat.ambientColor.b);
pcShapeMaterial->diffuseColor.setValue(Mat.diffuseColor.r,Mat.diffuseColor.g,Mat.diffuseColor.b);
pcShapeMaterial->specularColor.setValue(Mat.specularColor.r,Mat.specularColor.g,Mat.specularColor.b);
pcShapeMaterial->emissiveColor.setValue(Mat.emissiveColor.r,Mat.emissiveColor.g,Mat.emissiveColor.b);
pcShapeMaterial->shininess.setValue(Mat.shininess);
pcShapeMaterial->transparency.setValue(Mat.transparency);
}
else if (prop == &BoundingBox || prop == &SelectionStyle) {
applyBoundColor();
if(SelectionStyle.getValue()==0 || !Selectable.getValue())
showBoundingBox( BoundingBox.getValue() );
}
ViewProviderDragger::onChanged(prop);
}
void ViewProviderGeometryObject::attach(App::DocumentObject *pcObj)
{
ViewProviderDragger::attach(pcObj);
}
void ViewProviderGeometryObject::updateData(const App::Property* prop)
{
if (prop->isDerivedFrom(App::PropertyComplexGeoData::getClassTypeId())) {
// Note: When the placement of non-parametric objects changes there is currently no update
// of the bounding box information.
Base::BoundBox3d box = static_cast<const App::PropertyComplexGeoData*>(prop)->getBoundingBox();
pcBoundingBox->minBounds.setValue(box.MinX, box.MinY, box.MinZ);
pcBoundingBox->maxBounds.setValue(box.MaxX, box.MaxY, box.MaxZ);
}
else {
ViewProviderDragger::updateData(prop);
}
}
SoPickedPointList ViewProviderGeometryObject::getPickedPoints(const SbVec2s& pos, const View3DInventorViewer& viewer,bool pickAll) const
{
SoSeparator* root = new SoSeparator;
root->ref();
root->addChild(viewer.getHeadlight());
root->addChild(viewer.getSoRenderManager()->getCamera());
root->addChild(const_cast<ViewProviderGeometryObject*>(this)->getRoot());
SoRayPickAction rp(viewer.getSoRenderManager()->getViewportRegion());
rp.setPickAll(pickAll);
rp.setRadius(viewer.getPickRadius());
rp.setPoint(pos);
rp.apply(root);
root->unref();
// returns a copy of the list
return rp.getPickedPointList();
}
SoPickedPoint* ViewProviderGeometryObject::getPickedPoint(const SbVec2s& pos, const View3DInventorViewer& viewer) const
{
SoSeparator* root = new SoSeparator;
root->ref();
root->addChild(viewer.getHeadlight());
root->addChild(viewer.getSoRenderManager()->getCamera());
root->addChild(const_cast<ViewProviderGeometryObject*>(this)->getRoot());
SoRayPickAction rp(viewer.getSoRenderManager()->getViewportRegion());
rp.setPoint(pos);
rp.setRadius(viewer.getPickRadius());
rp.apply(root);
root->unref();
// returns a copy of the point
SoPickedPoint* pick = rp.getPickedPoint();
//return (pick ? pick->copy() : 0); // needs the same instance of CRT under MS Windows
return (pick ? new SoPickedPoint(*pick) : 0);
}
unsigned long ViewProviderGeometryObject::getBoundColor() const {
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
if(SelectionStyle.getValue() == 0 || !Selectable.getValue() || !hGrp->GetBool("EnableSelection", true))
return hGrp->GetUnsigned("BoundingBoxColor",4294967295UL); // white (255,255,255)
else
return hGrp->GetUnsigned("SelectionColor",0x00CD00UL); // rgb(0,205,0)
}
void ViewProviderGeometryObject::applyBoundColor() {
if(!pcBoundColor) return;
unsigned long bbcol = getBoundColor();
float r,g,b;
r = ((bbcol >> 24) & 0xff) / 255.0; g = ((bbcol >> 16) & 0xff) / 255.0; b = ((bbcol >> 8) & 0xff) / 255.0;
pcBoundColor->rgb.setValue(r, g, b);
}
void ViewProviderGeometryObject::showBoundingBox(bool show)
{
if (!pcBoundSwitch && show) {
pcBoundSwitch = new SoSwitch();
SoSeparator* pBoundingSep = new SoSeparator();
SoDrawStyle* lineStyle = new SoDrawStyle;
lineStyle->lineWidth = 2.0f;
pBoundingSep->addChild(lineStyle);
pcBoundColor = new SoBaseColor();
pBoundingSep->addChild(pcBoundColor);
applyBoundColor();
pBoundingSep->addChild(new SoResetTransform());
pBoundingSep->addChild(pcBoundingBox);
pcBoundingBox->coordsOn.setValue(false);
pcBoundingBox->dimensionsOn.setValue(true);
// add to the highlight node
pcBoundSwitch->addChild(pBoundingSep);
pcRoot->insertChild(pcBoundSwitch,pcRoot->findChild(pcModeSwitch));
}
if (pcBoundSwitch) {
pcBoundSwitch->whichChild = (show ? 0 : -1);
}
}
void ViewProviderGeometryObject::setSelectable(bool selectable)
{
if(SelectionStyle.getValue()) {
applyBoundColor();
if(!selectable)
showBoundingBox(false);
}
SoSearchAction sa;
sa.setInterest(SoSearchAction::ALL);
sa.setSearchingAll(true);
sa.setType(Gui::SoFCSelection::getClassTypeId());
sa.apply(pcRoot);
SoPathList & pathList = sa.getPaths();
for (int i=0;i<pathList.getLength();i++) {
SoFCSelection *selNode = dynamic_cast<SoFCSelection*>(pathList[i]->getTail());
if (selectable) {
selNode->selectionMode = SoFCSelection::SEL_ON;
selNode->highlightMode = SoFCSelection::AUTO;
}
else {
selNode->selectionMode = SoFCSelection::SEL_OFF;
selNode->highlightMode = SoFCSelection::OFF;
selNode->selected = SoFCSelection::NOTSELECTED;
}
}
}
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