FreeCAD/src/Mod/PartDesign/Gui/ViewProviderTransformed.cpp
Mateusz Skowroński cd2db00f22 QString::fromAscii() is obsolete in Qt5. Replace it with fromLatin1().
This change is Qt4/Qt5 neutral.
2016-01-05 16:07:25 +01:00

398 lines
17 KiB
C++

/******************************************************************************
* Copyright (c)2012 Jan Rheinlaender <jrheinlaender@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 <Bnd_Box.hxx>
# include <BRep_Tool.hxx>
# include <BRepBndLib.hxx>
# include <BRepMesh_IncrementalMesh.hxx>
# include <Standard_Version.hxx>
# include <TopExp_Explorer.hxx>
# include <TopoDS.hxx>
# include <Poly_Triangulation.hxx>
# include <Inventor/nodes/SoCoordinate3.h>
# include <Inventor/nodes/SoDrawStyle.h>
# include <Inventor/nodes/SoIndexedFaceSet.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoMultipleCopy.h>
# include <Inventor/nodes/SoNormal.h>
# include <Inventor/nodes/SoPickStyle.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoShapeHints.h>
# include <Inventor/nodes/SoTransparencyType.h>
# include <QAction>
# include <QMenu>
# include <QMessageBox>
#endif
#include "ViewProviderTransformed.h"
#include "TaskTransformedParameters.h"
#include <Base/Console.h>
#include <Gui/Control.h>
#include <Gui/Application.h>
#include <Mod/Part/App/TopoShape.h>
#include <Mod/PartDesign/App/FeatureAdditive.h>
#include <Mod/PartDesign/App/FeatureSubtractive.h>
#include <Mod/PartDesign/App/FeatureTransformed.h>
using namespace PartDesignGui;
PROPERTY_SOURCE(PartDesignGui::ViewProviderTransformed,PartDesignGui::ViewProvider)
void ViewProviderTransformed::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
{
QAction* act;
act = menu->addAction(QObject::tr((std::string("Edit ") + featureName + " feature").c_str()), receiver, member);
act->setData(QVariant((int)ViewProvider::Default));
PartGui::ViewProviderPart::setupContextMenu(menu, receiver, member);
}
bool ViewProviderTransformed::setEdit(int ModNum)
{
pcRejectedRoot = new SoSeparator();
pcRejectedRoot->ref();
rejectedTrfms = new SoMultipleCopy();
rejectedTrfms->ref();
rejectedCoords = new SoCoordinate3();
rejectedCoords->ref();
rejectedNorms = new SoNormal();
rejectedNorms->ref();
rejectedFaceSet = new SoIndexedFaceSet();
rejectedFaceSet->ref();
SoPickStyle* rejectedPickStyle = new SoPickStyle();
rejectedPickStyle->style = SoPickStyle::UNPICKABLE;
SoShapeHints* rejectedHints = new SoShapeHints();
rejectedHints->vertexOrdering = SoShapeHints::COUNTERCLOCKWISE;
rejectedHints->shapeType = SoShapeHints::UNKNOWN_SHAPE_TYPE;
SoMaterialBinding* rejectedBind = new SoMaterialBinding();
SoTransparencyType* rejectedTransparencyType = new SoTransparencyType();
rejectedTransparencyType->value.setValue(SoGLRenderAction::BLEND);
SoMaterial* rejectedMaterial = new SoMaterial();
rejectedMaterial->diffuseColor.set1Value(0,SbColor(1.f,0.f,0.f));
rejectedMaterial->transparency.setValue(0.6f);
SoDrawStyle* rejectedFaceStyle = new SoDrawStyle();
rejectedFaceStyle->style = SoDrawStyle::FILLED;
SoNormalBinding* rejectedNormb = new SoNormalBinding();
rejectedNormb->value = SoNormalBinding::PER_VERTEX_INDEXED;
// just faces with no edges or points
pcRejectedRoot->addChild(rejectedPickStyle);
pcRejectedRoot->addChild(rejectedTransparencyType);
pcRejectedRoot->addChild(rejectedBind);
pcRejectedRoot->addChild(rejectedMaterial);
pcRejectedRoot->addChild(rejectedHints);
pcRejectedRoot->addChild(rejectedFaceStyle);
pcRejectedRoot->addChild(rejectedCoords);
pcRejectedRoot->addChild(rejectedNorms);
pcRejectedRoot->addChild(rejectedNormb);
pcRejectedRoot->addChild(rejectedTrfms);
rejectedTrfms->addChild(rejectedFaceSet);
pcRoot->addChild(pcRejectedRoot);
recomputeFeature();
return true;
}
void ViewProviderTransformed::unsetEdit(int ModNum)
{
if (ModNum == ViewProvider::Default) {
// when pressing ESC make sure to close the dialog
Gui::Control().closeDialog();
}
else {
PartGui::ViewProviderPart::unsetEdit(ModNum);
}
rejectedTrfms->removeAllChildren();
pcRejectedRoot->removeAllChildren();
pcRoot->removeChild(pcRejectedRoot);
pcRejectedRoot->unref();
rejectedTrfms->unref();
rejectedCoords->unref();
rejectedNorms->unref();
rejectedFaceSet->unref();
}
bool ViewProviderTransformed::onDelete(const std::vector<std::string> &)
{
PartDesign::Transformed* pcTransformed = static_cast<PartDesign::Transformed*>(getObject());
std::vector<App::DocumentObject*> originals = pcTransformed->Originals.getValues();
// if abort command deleted the object the originals are visible again
for (std::vector<App::DocumentObject*>::const_iterator it = originals.begin(); it != originals.end(); ++it)
{
if (((*it) != NULL) && Gui::Application::Instance->getViewProvider(*it))
Gui::Application::Instance->getViewProvider(*it)->show();
}
return true;
}
const bool ViewProviderTransformed::checkDlgOpen(TaskDlgTransformedParameters* transformedDlg) {
// When double-clicking on the item for this feature the
// object unsets and sets its edit mode without closing
// the task panel
Gui::TaskView::TaskDialog *dlg = Gui::Control().activeDialog();
transformedDlg = qobject_cast<TaskDlgTransformedParameters *>(dlg);
if ((transformedDlg != NULL) && (transformedDlg->getTransformedView() != this))
transformedDlg = NULL; // another transformed feature left open its task panel
if ((dlg != NULL) && (transformedDlg == NULL)) {
QMessageBox msgBox;
msgBox.setText(QObject::tr("A dialog is already open in the task panel"));
msgBox.setInformativeText(QObject::tr("Do you want to close this dialog?"));
msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
msgBox.setDefaultButton(QMessageBox::Yes);
int ret = msgBox.exec();
if (ret == QMessageBox::Yes)
Gui::Control().reject();
else
return false;
}
// clear the selection (convenience)
Gui::Selection().clearSelection();
// Continue (usually in virtual method setEdit())
return true;
}
void ViewProviderTransformed::recomputeFeature(void)
{
PartDesign::Transformed* pcTransformed = static_cast<PartDesign::Transformed*>(getObject());
pcTransformed->getDocument()->recomputeFeature(pcTransformed);
const std::vector<App::DocumentObjectExecReturn*> log = pcTransformed->getDocument()->getRecomputeLog();
unsigned rejected = pcTransformed->getRejectedTransformations().size();
QString msg = QString::fromLatin1("%1");
if (rejected > 0) {
msg = QString::fromLatin1("<font color='orange'>%1<br/></font>\r\n%2");
if (rejected == 1)
msg = msg.arg(QObject::tr("One transformed shape does not intersect support"));
else {
msg = msg.arg(QObject::tr("%1 transformed shapes do not intersect support"));
msg = msg.arg(rejected);
}
}
if (log.size() > 0) {
msg = msg.arg(QString::fromLatin1("<font color='red'>%1<br/></font>"));
msg = msg.arg(QString::fromStdString(log.back()->Why));
} else {
msg = msg.arg(QString::fromLatin1("<font color='green'>%1<br/></font>"));
msg = msg.arg(QObject::tr("Transformation succeeded"));
}
signalDiagnosis(msg);
TopoDS_Shape shape;
if (rejected != 0) {
// FIXME: create a compound if there are more than one originals
App::DocumentObject* original = pcTransformed->Originals.getValues().front();
if (original->getTypeId().isDerivedFrom(PartDesign::Additive::getClassTypeId())) {
PartDesign::Additive* addFeature = static_cast<PartDesign::Additive*>(original);
shape = addFeature->AddShape.getShape()._Shape;
} else if (original->getTypeId().isDerivedFrom(PartDesign::Subtractive::getClassTypeId())) {
PartDesign::Subtractive* subFeature = static_cast<PartDesign::Subtractive*>(original);
shape = subFeature->SubShape.getShape()._Shape;
}
}
if (rejected == 0 || shape.IsNull()) {
rejectedCoords ->point .setNum(0);
rejectedNorms ->vector .setNum(0);
rejectedFaceSet ->coordIndex .setNum(0);
rejectedTrfms ->matrix .setNum(0);
} else {
// Display the rejected transformations in red
TopoDS_Shape cShape(shape);
try {
// calculating the deflection value
Standard_Real xMin, yMin, zMin, xMax, yMax, zMax;
{
Bnd_Box bounds;
BRepBndLib::Add(cShape, bounds);
bounds.SetGap(0.0);
bounds.Get(xMin, yMin, zMin, xMax, yMax, zMax);
}
Standard_Real deflection = ((xMax-xMin)+(yMax-yMin)+(zMax-zMin))/300.0 * Deviation.getValue();
// create or use the mesh on the data structure
#if OCC_VERSION_HEX >= 0x060600
Standard_Real AngDeflectionRads = AngularDeflection.getValue() / 180.0 * M_PI;
BRepMesh_IncrementalMesh(cShape,deflection,Standard_False,
AngDeflectionRads,Standard_True);
#else
BRepMesh_IncrementalMesh(cShape,deflection);
#endif
// We must reset the location here because the transformation data
// are set in the placement property
TopLoc_Location aLoc;
cShape.Location(aLoc);
// count triangles and nodes in the mesh
int nbrTriangles=0, nbrNodes=0;
TopExp_Explorer Ex;
for (Ex.Init(cShape,TopAbs_FACE);Ex.More();Ex.Next()) {
Handle (Poly_Triangulation) mesh = BRep_Tool::Triangulation(TopoDS::Face(Ex.Current()), aLoc);
// Note: we must also count empty faces
if (!mesh.IsNull()) {
nbrTriangles += mesh->NbTriangles();
nbrNodes += mesh->NbNodes();
}
}
// create memory for the nodes and indexes
rejectedCoords ->point .setNum(nbrNodes);
rejectedNorms ->vector .setNum(nbrNodes);
rejectedFaceSet ->coordIndex .setNum(nbrTriangles*4);
// get the raw memory for fast fill up
SbVec3f* verts = rejectedCoords ->point .startEditing();
SbVec3f* norms = rejectedNorms ->vector .startEditing();
int32_t* index = rejectedFaceSet ->coordIndex .startEditing();
// preset the normal vector with null vector
for (int i=0; i < nbrNodes; i++)
norms[i]= SbVec3f(0.0,0.0,0.0);
int ii = 0,FaceNodeOffset=0,FaceTriaOffset=0;
for (Ex.Init(cShape, TopAbs_FACE); Ex.More(); Ex.Next(),ii++) {
TopLoc_Location aLoc;
const TopoDS_Face &actFace = TopoDS::Face(Ex.Current());
// get the mesh of the shape
Handle (Poly_Triangulation) mesh = BRep_Tool::Triangulation(actFace,aLoc);
if (mesh.IsNull()) continue;
// getting the transformation of the shape/face
gp_Trsf myTransf;
Standard_Boolean identity = true;
if (!aLoc.IsIdentity()) {
identity = false;
myTransf = aLoc.Transformation();
}
// getting size of node and triangle array of this face
int nbNodesInFace = mesh->NbNodes();
int nbTriInFace = mesh->NbTriangles();
// check orientation
TopAbs_Orientation orient = actFace.Orientation();
// cycling through the poly mesh
const Poly_Array1OfTriangle& Triangles = mesh->Triangles();
const TColgp_Array1OfPnt& Nodes = mesh->Nodes();
for (int g=1; g <= nbTriInFace; g++) {
// Get the triangle
Standard_Integer N1,N2,N3;
Triangles(g).Get(N1,N2,N3);
// change orientation of the triangle if the face is reversed
if ( orient != TopAbs_FORWARD ) {
Standard_Integer tmp = N1;
N1 = N2;
N2 = tmp;
}
// get the 3 points of this triangle
gp_Pnt V1(Nodes(N1)), V2(Nodes(N2)), V3(Nodes(N3));
// transform the vertices to the place of the face
if (!identity) {
V1.Transform(myTransf);
V2.Transform(myTransf);
V3.Transform(myTransf);
}
// calculating per vertex normals
// Calculate triangle normal
gp_Vec v1(V1.X(),V1.Y(),V1.Z()),v2(V2.X(),V2.Y(),V2.Z()),v3(V3.X(),V3.Y(),V3.Z());
gp_Vec Normal = (v2-v1)^(v3-v1);
// add the triangle normal to the vertex normal for all points of this triangle
norms[FaceNodeOffset+N1-1] += SbVec3f(Normal.X(),Normal.Y(),Normal.Z());
norms[FaceNodeOffset+N2-1] += SbVec3f(Normal.X(),Normal.Y(),Normal.Z());
norms[FaceNodeOffset+N3-1] += SbVec3f(Normal.X(),Normal.Y(),Normal.Z());
// set the vertices
verts[FaceNodeOffset+N1-1].setValue((float)(V1.X()),(float)(V1.Y()),(float)(V1.Z()));
verts[FaceNodeOffset+N2-1].setValue((float)(V2.X()),(float)(V2.Y()),(float)(V2.Z()));
verts[FaceNodeOffset+N3-1].setValue((float)(V3.X()),(float)(V3.Y()),(float)(V3.Z()));
// set the index vector with the 3 point indexes and the end delimiter
index[FaceTriaOffset*4+4*(g-1)] = FaceNodeOffset+N1-1;
index[FaceTriaOffset*4+4*(g-1)+1] = FaceNodeOffset+N2-1;
index[FaceTriaOffset*4+4*(g-1)+2] = FaceNodeOffset+N3-1;
index[FaceTriaOffset*4+4*(g-1)+3] = SO_END_FACE_INDEX;
}
// counting up the per Face offsets
FaceNodeOffset += nbNodesInFace;
FaceTriaOffset += nbTriInFace;
}
// normalize all normals
for (int i=0; i < nbrNodes; i++)
norms[i].normalize();
// end the editing of the nodes
rejectedCoords ->point .finishEditing();
rejectedNorms ->vector .finishEditing();
rejectedFaceSet ->coordIndex .finishEditing();
// fill in the transformation matrices
rejectedTrfms->matrix.setNum(rejected);
SbMatrix* mats = rejectedTrfms->matrix.startEditing();
std::list<gp_Trsf> rejected_trsf = pcTransformed->getRejectedTransformations();
std::list<gp_Trsf>::const_iterator trsf = rejected_trsf.begin();
for (unsigned int i=0; i < rejected; i++,trsf++) {
Base::Matrix4D mat;
Part::TopoShape::convertToMatrix(*trsf,mat);
mats[i] = convert(mat);
}
rejectedTrfms->matrix.finishEditing();
}
catch (...) {
Base::Console().Error("Cannot compute Inventor representation for the rejected transformations of shape of %s.\n",
pcTransformed->getNameInDocument());
}
}
}