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create/src/Gui/ViewProviderVRMLObject.cpp
Markus Reitböck a72a0d6405 Gui: use CMake to generate precompiled headers on all platforms 
"Professional CMake" book suggest the following:

"Targets should build successfully with or without compiler support for precompiled headers. It
should be considered an optimization, not a requirement. In particular, do not explicitly include a
precompile header (e.g. stdafx.h) in the source code, let CMake force-include an automatically
generated precompile header on the compiler command line instead. This is more portable across
the major compilers and is likely to be easier to maintain. It will also avoid warnings being
generated from certain code checking tools like iwyu (include what you use)."

Therefore, removed the "#include <PreCompiled.h>" from sources, also
there is no need for the "#ifdef _PreComp_" anymore
2025-09-14 09:47:03 +02:00

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/***************************************************************************
* Copyright (c) 2009 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 <sstream>
# include <Inventor/SoDB.h>
# include <Inventor/SoFullPath.h>
# include <Inventor/SoInput.h>
# include <Inventor/actions/SoSearchAction.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoTransform.h>
# include <QFile>
# include <QFileInfo>
#include <Inventor/lists/SbStringList.h>
#include <Inventor/VRMLnodes/SoVRMLAnchor.h>
#include <Inventor/VRMLnodes/SoVRMLAudioClip.h>
#include <Inventor/VRMLnodes/SoVRMLBackground.h>
#include <Inventor/VRMLnodes/SoVRMLImageTexture.h>
#include <Inventor/VRMLnodes/SoVRMLInline.h>
#include <Inventor/VRMLnodes/SoVRMLMovieTexture.h>
#include <Inventor/VRMLnodes/SoVRMLScript.h>
#include <App/Document.h>
#include <App/VRMLObject.h>
#include <Base/Console.h>
#include <Base/FileInfo.h>
#include "ViewProviderVRMLObject.h"
#include "SoFCSelection.h"
using namespace Gui;
PROPERTY_SOURCE(Gui::ViewProviderVRMLObject, Gui::ViewProviderDocumentObject)
ViewProviderVRMLObject::ViewProviderVRMLObject()
{
pcVRML = new SoFCSelection();
pcVRML->preselectionMode = Gui::SoFCSelection::OFF;
pcVRML->selectionMode = Gui::SoFCSelection::SEL_OFF;
//pcVRML->style = Gui::SoFCSelection::BOX;
pcVRML->ref();
}
ViewProviderVRMLObject::~ViewProviderVRMLObject()
{
pcVRML->unref();
}
void ViewProviderVRMLObject::attach(App::DocumentObject *pcObj)
{
ViewProviderDocumentObject::attach(pcObj);
addDisplayMaskMode(pcVRML, "VRML");
pcVRML->objectName = pcObj->getNameInDocument();
pcVRML->documentName = pcObj->getDocument()->getName();
pcVRML->subElementName = "Main";
}
void ViewProviderVRMLObject::setDisplayMode(const char* ModeName)
{
if ( strcmp("VRML",ModeName)==0 )
setDisplayMaskMode("VRML");
ViewProviderDocumentObject::setDisplayMode( ModeName );
}
std::vector<std::string> ViewProviderVRMLObject::getDisplayModes() const
{
std::vector<std::string> StrList;
StrList.emplace_back("VRML");
return StrList;
}
template<typename T>
void ViewProviderVRMLObject::getResourceFile(SoNode* node, std::list<std::string>& resources)
{
SoSearchAction sa;
sa.setType(T::getClassTypeId());
sa.setInterest(SoSearchAction::ALL);
sa.setSearchingAll(true);
sa.apply(node);
const SoPathList & pathlist = sa.getPaths();
for (int i = 0; i < pathlist.getLength(); i++ ) {
auto path = static_cast<SoFullPath *>(pathlist[i]);
if (path->getTail()->isOfType(T::getClassTypeId())) {
T * tex = static_cast<T*>(path->getTail());
for (int j = 0; j < tex->url.getNum(); j++) {
this->addResource(tex->url[j], resources);
}
}
}
}
namespace Gui {
// Special handling for SoVRMLBackground
template<>
void ViewProviderVRMLObject::getResourceFile<SoVRMLBackground>(SoNode* node, std::list<std::string>& resources)
{
SoSearchAction sa;
sa.setType(SoVRMLBackground::getClassTypeId());
sa.setInterest(SoSearchAction::ALL);
sa.setSearchingAll(true);
sa.apply(node);
const SoPathList & pathlist = sa.getPaths();
for (int i = 0; i < pathlist.getLength(); i++ ) {
auto path = static_cast<SoFullPath *>(pathlist[i]);
if (path->getTail()->isOfType(SoVRMLBackground::getClassTypeId())) {
auto vrml = static_cast<SoVRMLBackground*>(path->getTail());
// backUrl
for (int j = 0; j < vrml->backUrl.getNum(); j++) {
addResource(vrml->backUrl[j], resources);
}
// bottomUrl
for (int j = 0; j < vrml->bottomUrl.getNum(); j++) {
addResource(vrml->bottomUrl[j], resources);
}
// frontUrl
for (int j = 0; j < vrml->frontUrl.getNum(); j++) {
addResource(vrml->frontUrl[j], resources);
}
// leftUrl
for (int j = 0; j < vrml->leftUrl.getNum(); j++) {
addResource(vrml->leftUrl[j], resources);
}
// rightUrl
for (int j = 0; j < vrml->rightUrl.getNum(); j++) {
addResource(vrml->rightUrl[j], resources);
}
// topUrl
for (int j = 0; j < vrml->topUrl.getNum(); j++) {
addResource(vrml->topUrl[j], resources);
}
}
}
}
}
void ViewProviderVRMLObject::addResource(const SbString& url, std::list<std::string>& resources)
{
SbString found = SoInput::searchForFile(url, SoInput::getDirectories(), SbStringList());
Base::FileInfo fi(found.getString());
if (fi.exists()) {
// add the resource file if not yet listed
if (std::ranges::find(resources, found.getString()) == resources.end()) {
resources.emplace_back(found.getString());
}
}
}
void ViewProviderVRMLObject::getLocalResources(SoNode* node, std::list<std::string>& resources)
{
// search for SoVRMLInline files
SoSearchAction sa;
sa.setType(SoVRMLInline::getClassTypeId());
sa.setInterest(SoSearchAction::ALL);
sa.setSearchingAll(true);
sa.apply(node);
const SoPathList & pathlist = sa.getPaths();
for (int i = 0; i < pathlist.getLength(); i++ ) {
SoPath * path = pathlist[i];
auto vrml = static_cast<SoVRMLInline*>(path->getTail());
const SbString& url = vrml->getFullURLName();
if (url.getLength() > 0) {
// add the resource file if not yet listed
if (std::ranges::find(resources, url.getString()) == resources.end()) {
resources.emplace_back(url.getString());
}
// if the resource file could be loaded check if it references further resources
if (vrml->getChildData()) {
getLocalResources(vrml->getChildData(), resources);
}
}
}
// search for SoVRMLImageTexture, ... files
getResourceFile<SoVRMLImageTexture >(node, resources);
getResourceFile<SoVRMLMovieTexture >(node, resources);
getResourceFile<SoVRMLScript >(node, resources);
getResourceFile<SoVRMLBackground >(node, resources);
getResourceFile<SoVRMLAudioClip >(node, resources);
getResourceFile<SoVRMLAnchor >(node, resources);
}
void ViewProviderVRMLObject::updateData(const App::Property* prop)
{
auto ivObj = static_cast<App::VRMLObject*>(pcObject);
if (prop == &ivObj->VrmlFile) {
// read also from file
const char* filename = ivObj->VrmlFile.getValue();
QString fn = QString::fromUtf8(filename);
QFile file(fn);
SoInput in;
coinRemoveAllChildren(pcVRML);
if (!fn.isEmpty() && file.open(QFile::ReadOnly)) {
QFileInfo fi(fn);
QByteArray filepath = fi.absolutePath().toUtf8();
QByteArray subpath = filepath + "/" + ivObj->getNameInDocument();
// Add this to the search path in order to read inline files
SoInput::addDirectoryFirst(filepath.constData());
SoInput::addDirectoryFirst(subpath.constData());
// Read in the file
QByteArray buffer = file.readAll();
in.setBuffer((void *)buffer.constData(), buffer.length());
SoSeparator * node = SoDB::readAll(&in);
if (node) {
if (!checkRecursion(node)) {
Base::Console().error("The VRML file causes an infinite recursion!\n");
return;
}
pcVRML->addChild(node);
std::list<std::string> urls;
getLocalResources(node, urls);
if (!urls.empty() && ivObj->Urls.getSize() == 0) {
std::vector<std::string> res;
res.insert(res.end(), urls.begin(), urls.end());
ivObj->Urls.setValues(res);
}
}
SoInput::removeDirectory(filepath.constData());
SoInput::removeDirectory(subpath.constData());
}
}
else if (prop->isDerivedFrom<App::PropertyPlacement>() &&
strcmp(prop->getName(), "Placement") == 0) {
// 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 the following equation must be ful-
// filled: R * (x-c) + c + t = R * x + t
// <==> R * x + t - R * c + c = R * x + t
// <==> (I-R) * c = 0 ==> c = 0
// This means that the center point must be the origin!
Base::Placement p = static_cast<const App::PropertyPlacement*>(prop)->getValue();
auto q0 = (float)p.getRotation().getValue()[0];
auto q1 = (float)p.getRotation().getValue()[1];
auto q2 = (float)p.getRotation().getValue()[2];
auto q3 = (float)p.getRotation().getValue()[3];
auto px = (float)p.getPosition().x;
auto py = (float)p.getPosition().y;
auto pz = (float)p.getPosition().z;
pcTransform->rotation.setValue(q0,q1,q2,q3);
pcTransform->translation.setValue(px,py,pz);
pcTransform->center.setValue(0.0f,0.0f,0.0f);
pcTransform->scaleFactor.setValue(1.0f,1.0f,1.0f);
}
}
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