623 lines
27 KiB
C++
623 lines
27 KiB
C++
/***************************************************************************
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* Copyright (c) 2006 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <cfloat>
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# include <QAction>
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# include <QMenu>
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# include <Inventor/actions/SoSearchAction.h>
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# include <Inventor/draggers/SoDragger.h>
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# include <Inventor/draggers/SoCenterballDragger.h>
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# include <Inventor/manips/SoCenterballManip.h>
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# include <Inventor/nodes/SoBaseColor.h>
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# include <Inventor/nodes/SoCamera.h>
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# include <Inventor/nodes/SoDrawStyle.h>
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# include <Inventor/nodes/SoMaterial.h>
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# include <Inventor/nodes/SoSeparator.h>
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# include <Inventor/nodes/SoSwitch.h>
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# include <Inventor/nodes/SoDirectionalLight.h>
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# include <Inventor/sensors/SoNodeSensor.h>
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# include <Inventor/SoPickedPoint.h>
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# include <Inventor/actions/SoRayPickAction.h>
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#endif
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/// Here the FreeCAD includes sorted by Base,App,Gui......
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#include "ViewProviderGeometryObject.h"
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#include "View3DInventorViewer.h"
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#include "SoFCSelection.h"
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#include "SoFCBoundingBox.h"
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#include "Application.h"
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#include "Document.h"
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#include "Window.h"
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#include <Base/Console.h>
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#include <Base/Placement.h>
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#include <App/PropertyGeo.h>
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#include <App/GeoFeature.h>
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#include <Inventor/draggers/SoCenterballDragger.h>
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#include <Inventor/nodes/SoResetTransform.h>
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#if (COIN_MAJOR_VERSION > 2)
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#include <Inventor/nodes/SoDepthBuffer.h>
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#endif
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#include "SoNavigationDragger.h"
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#include "SoFCUnifiedSelection.h"
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#include <boost/math/special_functions/fpclassify.hpp>
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using namespace Gui;
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PROPERTY_SOURCE(Gui::ViewProviderGeometryObject, Gui::ViewProviderDocumentObject)
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const App::PropertyIntegerConstraint::Constraints intPercent = {0,100,1};
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ViewProviderGeometryObject::ViewProviderGeometryObject() : m_dragStart(false), pcBoundSwitch(0)
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{
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ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
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unsigned long shcol = hGrp->GetUnsigned("DefaultShapeColor",3435973887UL); // light gray (204,204,204)
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float r,g,b;
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r = ((shcol >> 24) & 0xff) / 255.0; g = ((shcol >> 16) & 0xff) / 255.0; b = ((shcol >> 8) & 0xff) / 255.0;
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ADD_PROPERTY(ShapeColor,(r, g, b));
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ADD_PROPERTY(Transparency,(0));
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Transparency.setConstraints(&intPercent);
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App::Material mat(App::Material::DEFAULT);
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ADD_PROPERTY(ShapeMaterial,(mat));
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ADD_PROPERTY(BoundingBox,(false));
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ADD_PROPERTY(Selectable,(true));
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bool enableSel = hGrp->GetBool("EnableSelection", true);
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Selectable.setValue(enableSel);
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pcShapeMaterial = new SoMaterial;
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pcShapeMaterial->ref();
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//ShapeMaterial.touch(); materials are rarely used, so better to initialize with default shape color
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ShapeColor.touch();
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pcBoundingBox = new Gui::SoFCBoundingBox;
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pcBoundingBox->ref();
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sPixmap = "Feature";
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}
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ViewProviderGeometryObject::~ViewProviderGeometryObject()
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{
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pcShapeMaterial->unref();
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pcBoundingBox->unref();
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}
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void ViewProviderGeometryObject::onChanged(const App::Property* prop)
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{
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// Actually, the properties 'ShapeColor' and 'Transparency' are part of the property 'ShapeMaterial'.
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// Both redundant properties are kept due to more convenience for the user. But we must keep the values
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// consistent of all these properties.
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if (prop == &Selectable) {
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bool Sel = Selectable.getValue();
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setSelectable(Sel);
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}
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else if (prop == &ShapeColor) {
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const App::Color& c = ShapeColor.getValue();
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pcShapeMaterial->diffuseColor.setValue(c.r,c.g,c.b);
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if (c != ShapeMaterial.getValue().diffuseColor)
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ShapeMaterial.setDiffuseColor(c);
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}
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else if (prop == &Transparency) {
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const App::Material& Mat = ShapeMaterial.getValue();
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long value = (long)(100*Mat.transparency);
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if (value != Transparency.getValue()) {
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float trans = Transparency.getValue()/100.0f;
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pcShapeMaterial->transparency = trans;
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ShapeMaterial.setTransparency(trans);
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}
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}
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else if (prop == &ShapeMaterial) {
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const App::Material& Mat = ShapeMaterial.getValue();
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long value = (long)(100*Mat.transparency);
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if (value != Transparency.getValue())
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Transparency.setValue(value);
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const App::Color& color = Mat.diffuseColor;
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if (color != ShapeColor.getValue())
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ShapeColor.setValue(Mat.diffuseColor);
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pcShapeMaterial->ambientColor.setValue(Mat.ambientColor.r,Mat.ambientColor.g,Mat.ambientColor.b);
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pcShapeMaterial->diffuseColor.setValue(Mat.diffuseColor.r,Mat.diffuseColor.g,Mat.diffuseColor.b);
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pcShapeMaterial->specularColor.setValue(Mat.specularColor.r,Mat.specularColor.g,Mat.specularColor.b);
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pcShapeMaterial->emissiveColor.setValue(Mat.emissiveColor.r,Mat.emissiveColor.g,Mat.emissiveColor.b);
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pcShapeMaterial->shininess.setValue(Mat.shininess);
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pcShapeMaterial->transparency.setValue(Mat.transparency);
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}
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else if (prop == &BoundingBox) {
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showBoundingBox( BoundingBox.getValue() );
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}
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ViewProviderDocumentObject::onChanged(prop);
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}
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void ViewProviderGeometryObject::attach(App::DocumentObject *pcObj)
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{
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ViewProviderDocumentObject::attach(pcObj);
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}
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void ViewProviderGeometryObject::updateData(const App::Property* prop)
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{
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if (prop->isDerivedFrom(App::PropertyComplexGeoData::getClassTypeId())) {
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// Note: When the placement of non-parametric objects changes there is currently no update
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// of the bounding box information.
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Base::BoundBox3d box = static_cast<const App::PropertyComplexGeoData*>(prop)->getBoundingBox();
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pcBoundingBox->minBounds.setValue(box.MinX, box.MinY, box.MinZ);
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pcBoundingBox->maxBounds.setValue(box.MaxX, box.MaxY, box.MaxZ);
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}
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else if (prop->isDerivedFrom(App::PropertyPlacement::getClassTypeId()) &&
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strcmp(prop->getName(), "Placement") == 0) {
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// Note: If R is the rotation, c the rotation center and t the translation
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// vector then Inventor applies the following transformation: R*(x-c)+c+t
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// In FreeCAD a placement only has a rotation and a translation part but
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// no rotation center. This means that the following equation must be ful-
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// filled: R * (x-c) + c + t = R * x + t
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// <==> R * x + t - R * c + c = R * x + t
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// <==> (I-R) * c = 0 ==> c = 0
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// This means that the center point must be the origin!
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Base::Placement p = static_cast<const App::PropertyPlacement*>(prop)->getValue();
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float q0 = (float)p.getRotation().getValue()[0];
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float q1 = (float)p.getRotation().getValue()[1];
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float q2 = (float)p.getRotation().getValue()[2];
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float q3 = (float)p.getRotation().getValue()[3];
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float px = (float)p.getPosition().x;
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float py = (float)p.getPosition().y;
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float pz = (float)p.getPosition().z;
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pcTransform->rotation.setValue(q0,q1,q2,q3);
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pcTransform->translation.setValue(px,py,pz);
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pcTransform->center.setValue(0.0f,0.0f,0.0f);
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pcTransform->scaleFactor.setValue(1.0f,1.0f,1.0f);
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// If this view provider is in edit mode also check whether it has
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// an SoCenterballManip that must be updated (#0002150)
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if (isEditing() && !m_dragStart) {
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SoSearchAction sa;
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sa.setType(SoCenterballManip::getClassTypeId());
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sa.setInterest(SoSearchAction::FIRST);
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sa.apply(pcRoot);
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SoPath * path = sa.getPath();
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if (path) {
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// check if the name matches to avoid to get any other manipulator
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SoCenterballManip * manip = static_cast<SoCenterballManip*>(path->getTail());
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if (manip->getName() == SbName("ViewProviderGeometryObject")) {
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manip->rotation.setValue(q0,q1,q2,q3);
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manip->translation.setValue(px,py,pz);
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manip->center.setValue(0.0f,0.0f,0.0f);
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manip->scaleFactor.setValue(1.0f,1.0f,1.0f);
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}
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}
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}
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}
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}
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bool ViewProviderGeometryObject::doubleClicked(void)
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{
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Gui::Application::Instance->activeDocument()->setEdit(this, (int)ViewProvider::Default);
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return true;
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}
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void ViewProviderGeometryObject::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
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{
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QAction* act = menu->addAction(QObject::tr("Transform"), receiver, member);
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act->setData(QVariant((int)ViewProvider::Transform));
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}
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bool ViewProviderGeometryObject::setEdit(int ModNum)
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{
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#if 1
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SoSearchAction sa;
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sa.setInterest(SoSearchAction::FIRST);
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sa.setSearchingAll(FALSE);
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sa.setNode(this->pcTransform);
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sa.apply(pcRoot);
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SoPath * path = sa.getPath();
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if (path) {
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SoCenterballManip * manip = new SoCenterballManip;
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manip->setName("ViewProviderGeometryObject");
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SoDragger* dragger = manip->getDragger();
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dragger->addStartCallback(dragStartCallback, this);
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dragger->addFinishCallback(dragFinishCallback, this);
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#if 1
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dragger->addMotionCallback(dragMotionCallback, this);
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dragger->setUserData(manip);
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#else
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// Attach a sensor to the transform manipulator and set it as its user
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// data to delete it when the view provider leaves the edit mode
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SoNodeSensor* sensor = new SoNodeSensor(sensorCallback, this);
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//sensor->setPriority(0);
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sensor->attach(manip);
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manip->setUserData(sensor);
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#endif
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return manip->replaceNode(path);
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}
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return false;
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#else
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// get the size of this viewprovider
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SoGetBoundingBoxAction *boundAction = new SoGetBoundingBoxAction(SbViewportRegion());
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boundAction->apply(pcRoot);
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SbBox3f bdBox = boundAction->getBoundingBox();
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float size = bdBox.getSize().length();
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App::GeoFeature* geometry = static_cast<App::GeoFeature*>(pcObject);
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const Base::Placement pos = geometry->Placement.getValue();
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const Base::Vector3d &vpos = pos.getPosition();
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const Base::Rotation &rrot = pos.getRotation();
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// set up manipulator node
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SoSeparator * draggSep = new SoSeparator();
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SoDepthBuffer *depth = new SoDepthBuffer();
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depth->test = true;
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depth->function = SoDepthBuffer::ALWAYS;
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draggSep->addChild(depth);
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SoScale *scale = new SoScale();
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scale->scaleFactor = SbVec3f (size,size,size);
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draggSep->addChild(scale);
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RotTransDragger *dragger = new RotTransDragger();
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dragger->translation = SbVec3f (vpos.x,vpos.y,vpos.z);
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dragger->rotation = SbRotation(rrot[0],rrot[1],rrot[2],rrot[3]);
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draggSep->addChild(dragger);
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// Attach a sensor to the transform manipulator and set it as its user
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// data to delete it when the view provider leaves the edit mode
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SoNodeSensor* sensor = new SoNodeSensor(sensorCallback, this);
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//sensor->setPriority(0);
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sensor->attach(dragger);
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pcRoot->insertChild(draggSep,0);
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return true;
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#endif
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}
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void ViewProviderGeometryObject::unsetEdit(int ModNum)
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{
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# if 1
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SoSearchAction sa;
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sa.setType(SoCenterballManip::getClassTypeId());
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sa.setInterest(SoSearchAction::FIRST);
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sa.apply(pcRoot);
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SoPath * path = sa.getPath();
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// No transform manipulator found.
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if (!path)
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return;
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// The manipulator has a sensor as user data and this sensor contains the view provider
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SoCenterballManip * manip = static_cast<SoCenterballManip*>(path->getTail());
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#if 0
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SoNodeSensor* sensor = reinterpret_cast<SoNodeSensor*>(manip->getUserData());
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#endif
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// #0000939: Pressing Escape while pivoting a box crashes
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// #0000942: Crash when 2xdouble-click on part
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SoDragger* dragger = manip->getDragger();
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if (dragger && dragger->getHandleEventAction())
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dragger->grabEventsCleanup();
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#if 0
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// detach sensor
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sensor->detach();
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delete sensor;
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#endif
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SoTransform* transform = this->pcTransform;
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manip->replaceManip(path, transform);
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if (this->pcObject->getTypeId().isDerivedFrom(App::GeoFeature::getClassTypeId())) {
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App::GeoFeature* geometry = static_cast<App::GeoFeature*>(this->pcObject);
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this->updateData(&geometry->Placement);
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}
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#else
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pcRoot->removeChild(0);
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#endif
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}
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void ViewProviderGeometryObject::setEditViewer(Gui::View3DInventorViewer* viewer, int ModNum)
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{
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if (ModNum == (int)ViewProvider::Transform) {
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SoNode* root = viewer->getSceneGraph();
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static_cast<SoFCUnifiedSelection*>(root)->selectionRole.setValue(FALSE);
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}
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}
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void ViewProviderGeometryObject::unsetEditViewer(Gui::View3DInventorViewer* viewer)
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{
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int ModNum = this->getEditingMode();
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if (ModNum == (int)ViewProvider::Transform) {
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SoNode* root = viewer->getSceneGraph();
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static_cast<SoFCUnifiedSelection*>(root)->selectionRole.setValue(TRUE);
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}
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}
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void ViewProviderGeometryObject::sensorCallback(void * data, SoSensor * s)
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{
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SoNodeSensor* sensor = static_cast<SoNodeSensor*>(s);
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SoNode* node = sensor->getAttachedNode();
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if (node && node->getTypeId().isDerivedFrom(SoCenterballManip::getClassTypeId())) {
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// apply the transformation data to the placement
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SoCenterballManip* manip = static_cast<SoCenterballManip*>(node);
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float q0, q1, q2, q3;
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SbVec3f move = manip->translation.getValue();
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SbVec3f center = manip->center.getValue();
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manip->rotation.getValue().getValue(q0, q1, q2, q3);
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// get the placement
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ViewProviderGeometryObject* view = reinterpret_cast<ViewProviderGeometryObject*>(data);
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if (view && view->pcObject && view->pcObject->getTypeId().isDerivedFrom(App::GeoFeature::getClassTypeId())) {
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App::GeoFeature* geometry = static_cast<App::GeoFeature*>(view->pcObject);
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// Note: If R is the rotation, c the rotation center and t the translation
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// vector then Inventor applies the following transformation: R*(x-c)+c+t
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// In FreeCAD a placement only has a rotation and a translation part but
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// no rotation center. This means that we must divide the transformation
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// in a rotation and translation part.
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// R * (x-c) + c + t = R * x - R * c + c + t
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// The rotation part is R, the translation part t', however, is:
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// t' = t + c - R * c
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Base::Placement p;
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p.setRotation(Base::Rotation(q0,q1,q2,q3));
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Base::Vector3d t(move[0],move[1],move[2]);
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Base::Vector3d c(center[0],center[1],center[2]);
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t += c;
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p.getRotation().multVec(c,c);
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t -= c;
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p.setPosition(t);
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geometry->Placement.setValue(p);
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}
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}
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#if 0
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else // RotTransDragger -----------------------------------------------------------
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if (node && node->getTypeId().isDerivedFrom(RotTransDragger::getClassTypeId())) {
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// apply the transformation data to the placement
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RotTransDragger* dragger = static_cast<RotTransDragger*>(node);
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float q0, q1, q2, q3;
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SbVec3f pos = dragger->translation.getValue();
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dragger->rotation.getValue().getValue(q0, q1, q2, q3);
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// get the placement
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ViewProviderGeometryObject* view = reinterpret_cast<ViewProviderGeometryObject*>(data);
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if (view && view->pcObject && view->pcObject->getTypeId().isDerivedFrom(App::GeoFeature::getClassTypeId())) {
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App::GeoFeature* geometry = static_cast<App::GeoFeature*>(view->pcObject);
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// Note: If R is the rotation, c the rotation center and t the translation
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// vector then Inventor applies the following transformation: R*(x-c)+c+t
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// In FreeCAD a placement only has a rotation and a translation part but
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// no rotation center. This means that we must divide the transformation
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// in a rotation and translation part.
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// R * (x-c) + c + t = R * x - R * c + c + t
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// The rotation part is R, the translation part t', however, is:
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// t' = t + c - R * c
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Base::Placement p;
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p.setRotation(Base::Rotation(q0,q1,q2,q3));
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Base::Vector3d t(pos[0],pos[1],pos[2]);
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/* Base::Vector3d c(center[0],center[1],center[2]);
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t += c;
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p.getRotation().multVec(c,c);
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t -= c;*/
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p.setPosition(t);
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geometry->Placement.setValue(p);
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}
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} else
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if (node && node->getTypeId().isDerivedFrom(SoCenterballDragger::getClassTypeId())) {
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// apply the transformation data to the placement
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SoCenterballDragger* dragger = static_cast<SoCenterballDragger*>(node);
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float q0, q1, q2, q3;
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SbVec3f pos = dragger->center.getValue();
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dragger->rotation.getValue().getValue(q0, q1, q2, q3);
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// get the placement
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ViewProviderGeometryObject* view = reinterpret_cast<ViewProviderGeometryObject*>(data);
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if (view && view->pcObject && view->pcObject->getTypeId().isDerivedFrom(App::GeoFeature::getClassTypeId())) {
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App::GeoFeature* geometry = static_cast<App::GeoFeature*>(view->pcObject);
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// Note: If R is the rotation, c the rotation center and t the translation
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// vector then Inventor applies the following transformation: R*(x-c)+c+t
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// In FreeCAD a placement only has a rotation and a translation part but
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|
// no rotation center. This means that we must divide the transformation
|
|
// in a rotation and translation part.
|
|
// R * (x-c) + c + t = R * x - R * c + c + t
|
|
// The rotation part is R, the translation part t', however, is:
|
|
// t' = t + c - R * c
|
|
Base::Placement p;
|
|
p.setRotation(Base::Rotation(q0,q1,q2,q3));
|
|
Base::Vector3d t(pos[0],pos[1],pos[2]);
|
|
/* Base::Vector3d c(center[0],center[1],center[2]);
|
|
t += c;
|
|
p.getRotation().multVec(c,c);
|
|
t -= c;*/
|
|
p.setPosition(t);
|
|
geometry->Placement.setValue(p);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void ViewProviderGeometryObject::dragMotionCallback(void * data, SoDragger * d)
|
|
{
|
|
SoNode* node = reinterpret_cast<SoNode*>(d->getUserData());
|
|
if (node && node->getTypeId().isDerivedFrom(SoCenterballManip::getClassTypeId())) {
|
|
// apply the transformation data to the placement
|
|
SoCenterballManip* manip = static_cast<SoCenterballManip*>(node);
|
|
float q0, q1, q2, q3;
|
|
// See also SoTransformManip::valueChangedCB
|
|
// to get translation directly from dragger
|
|
SbVec3f move = manip->translation.getValue();
|
|
SbVec3f center = manip->center.getValue();
|
|
manip->rotation.getValue().getValue(q0, q1, q2, q3);
|
|
|
|
// it can happen that the values of the motion matrix is garbage
|
|
if (boost::math::isnan(q0)) {
|
|
Base::Console().Warning("NaN values received in ViewProviderGeometryObject::dragMotionCallback\n");
|
|
return;
|
|
}
|
|
|
|
// get the placement
|
|
ViewProviderGeometryObject* view = reinterpret_cast<ViewProviderGeometryObject*>(data);
|
|
if (view && view->pcObject && view->pcObject->getTypeId().isDerivedFrom(App::GeoFeature::getClassTypeId())) {
|
|
App::GeoFeature* geometry = static_cast<App::GeoFeature*>(view->pcObject);
|
|
// Note: If R is the rotation, c the rotation center and t the translation
|
|
// vector then Inventor applies the following transformation: R*(x-c)+c+t
|
|
// In FreeCAD a placement only has a rotation and a translation part but
|
|
// no rotation center. This means that we must divide the transformation
|
|
// in a rotation and translation part.
|
|
// R * (x-c) + c + t = R * x - R * c + c + t
|
|
// The rotation part is R, the translation part t', however, is:
|
|
// t' = t + c - R * c
|
|
Base::Placement newPlm;
|
|
newPlm.setRotation(Base::Rotation(q0,q1,q2,q3));
|
|
Base::Vector3d t(move[0],move[1],move[2]);
|
|
Base::Vector3d c(center[0],center[1],center[2]);
|
|
t += c;
|
|
newPlm.getRotation().multVec(c,c);
|
|
t -= c;
|
|
newPlm.setPosition(t);
|
|
|
|
// #0001441: entering Transform mode degrades the Placement rotation to single precision
|
|
Base::Placement oldPlm = geometry->Placement.getValue();
|
|
const Base::Vector3d& p1 = oldPlm.getPosition();
|
|
const Base::Vector3d& p2 = newPlm.getPosition();
|
|
if (fabs(p1.x-p2.x) < FLT_EPSILON &&
|
|
fabs(p1.y-p2.y) < FLT_EPSILON &&
|
|
fabs(p1.z-p2.z) < FLT_EPSILON) {
|
|
newPlm.setPosition(oldPlm.getPosition());
|
|
}
|
|
|
|
const Base::Rotation& r1 = oldPlm.getRotation();
|
|
const Base::Rotation& r2 = newPlm.getRotation();
|
|
if (fabs(r1[0]-r2[0]) < FLT_EPSILON &&
|
|
fabs(r1[1]-r2[1]) < FLT_EPSILON &&
|
|
fabs(r1[2]-r2[2]) < FLT_EPSILON &&
|
|
fabs(r1[3]-r2[3]) < FLT_EPSILON) {
|
|
newPlm.setRotation(oldPlm.getRotation());
|
|
}
|
|
geometry->Placement.setValue(newPlm);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ViewProviderGeometryObject::dragStartCallback(void *data, SoDragger *)
|
|
{
|
|
// This is called when a manipulator is about to manipulating
|
|
Gui::Application::Instance->activeDocument()->openCommand("Transform");
|
|
ViewProviderGeometryObject* view = reinterpret_cast<ViewProviderGeometryObject*>(data);
|
|
view->m_dragStart = true;
|
|
}
|
|
|
|
void ViewProviderGeometryObject::dragFinishCallback(void *data, SoDragger *)
|
|
{
|
|
// This is called when a manipulator has done manipulating
|
|
Gui::Application::Instance->activeDocument()->commitCommand();
|
|
ViewProviderGeometryObject* view = reinterpret_cast<ViewProviderGeometryObject*>(data);
|
|
view->m_dragStart = false;
|
|
}
|
|
|
|
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.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.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);
|
|
}
|
|
|
|
void ViewProviderGeometryObject::showBoundingBox(bool show)
|
|
{
|
|
if (!pcBoundSwitch && show) {
|
|
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
|
|
unsigned long bbcol = hGrp->GetUnsigned("BoundingBoxColor",4294967295UL); // white (255,255,255)
|
|
float r,g,b;
|
|
r = ((bbcol >> 24) & 0xff) / 255.0; g = ((bbcol >> 16) & 0xff) / 255.0; b = ((bbcol >> 8) & 0xff) / 255.0;
|
|
pcBoundSwitch = new SoSwitch();
|
|
SoSeparator* pBoundingSep = new SoSeparator();
|
|
SoDrawStyle* lineStyle = new SoDrawStyle;
|
|
lineStyle->lineWidth = 2.0f;
|
|
pBoundingSep->addChild(lineStyle);
|
|
SoBaseColor* color = new SoBaseColor();
|
|
color->rgb.setValue(r, g, b);
|
|
pBoundingSep->addChild(color);
|
|
|
|
pBoundingSep->addChild(new SoResetTransform());
|
|
pBoundingSep->addChild(pcBoundingBox);
|
|
pcBoundingBox->coordsOn.setValue(false);
|
|
pcBoundingBox->dimensionsOn.setValue(true);
|
|
|
|
// add to the highlight node
|
|
pcBoundSwitch->addChild(pBoundingSep);
|
|
pcRoot->addChild(pcBoundSwitch);
|
|
}
|
|
|
|
if (pcBoundSwitch) {
|
|
pcBoundSwitch->whichChild = (show ? 0 : -1);
|
|
}
|
|
}
|
|
|
|
void ViewProviderGeometryObject::setSelectable(bool selectable)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
}
|