Files
create/src/Gui/SoFCDB.cpp

787 lines
27 KiB
C++

/***************************************************************************
* Copyright (c) 2005 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 <Inventor/SbSphere.h>
#include <Inventor/SbString.h>
#include <Inventor/SoInteraction.h>
#include <Inventor/actions/SoGetBoundingBoxAction.h>
#include <Inventor/actions/SoToVRML2Action.h>
#include <Inventor/actions/SoWriteAction.h>
#include <Inventor/fields/SoMFNode.h>
#include <Inventor/fields/SoSFNode.h>
#include <Inventor/nodes/SoGroup.h>
#include <Inventor/VRMLnodes/SoVRMLGroup.h>
#include <Inventor/VRMLnodes/SoVRMLIndexedFaceSet.h>
#include <Inventor/VRMLnodes/SoVRMLNormal.h>
#include <Inventor/VRMLnodes/SoVRMLParent.h>
#include <Inventor/VRMLnodes/SoVRMLShape.h>
#include <QDir>
#include <QProcess>
#include <QTemporaryFile>
#include <sstream>
#include <Base/FileInfo.h>
#include <Base/Persistence.h>
#include <Base/Stream.h>
#include <Base/Tools.h>
#include <zipios++/gzipoutputstream.h>
#include "SoFCDB.h"
#include "Camera.h"
#include "Flag.h"
#include "Inventor/Draggers/SoTransformDragger.h"
#include "Inventor/Draggers/SoLinearDragger.h"
#include "Inventor/Draggers/SoLinearDraggerGeometry.h"
#include "Inventor/Draggers/SoRotationDragger.h"
#include "Inventor/Draggers/SoRotationDraggerGeometry.h"
#include "Inventor/Draggers/Gizmo.h"
#include "Navigation/GestureNavigationStyle.h"
#include "Navigation/NavigationStyle.h"
#include "Navigation/SiemensNXNavigationStyle.h"
#include "SelectionObject.h"
#include "SoDevicePixelRatioElement.h"
#include "SoFCColorBar.h"
#include "SoFCColorGradient.h"
#include "SoFCColorLegend.h"
#include "SoFCInteractiveElement.h"
#include "SoFCSelection.h"
#include "SoFCSelectionAction.h"
#include "SoFCUnifiedSelection.h"
#include "SoFCVectorizeSVGAction.h"
#include "SoFCVectorizeU3DAction.h"
#include "SoTextLabel.h"
#include "SoDatumLabel.h"
#include "Inventor/MarkerBitmaps.h"
#include "Inventor/SmSwitchboard.h"
#include "Inventor/So3DAnnotation.h"
#include "Inventor/SoAutoZoomTranslation.h"
#include "Inventor/SoAxisCrossKit.h"
#include "Inventor/SoDrawingGrid.h"
#include "Inventor/SoFCBackgroundGradient.h"
#include "Inventor/SoFCBoundingBox.h"
#include "Inventor/SoMouseWheelEvent.h"
#include "Inventor/SoFCTransform.h"
#include "Inventor/SoToggleSwitch.h"
#include "propertyeditor/PropertyItem.h"
#include "ArcEngine.h"
#include <Inventor/SoFCPlacementIndicatorKit.h>
using namespace Gui;
using namespace Gui::Inventor;
using namespace Gui::PropertyEditor;
static SbBool init_done = false;
static SoGroup* storage = nullptr;
SbBool Gui::SoFCDB::isInitialized()
{
return init_done;
}
void Gui::SoFCDB::init()
{
SoInteraction ::init();
SoDevicePixelRatioElement ::initClass();
SoGLRenderActionElement ::initClass();
SoFCInteractiveElement ::initClass();
SoGLWidgetElement ::initClass();
SoFCColorBarBase ::initClass();
SoFCColorBar ::initClass();
SoFCColorLegend ::initClass();
SoFCColorGradient ::initClass();
SoFCBackgroundGradient ::initClass();
SoFCBoundingBox ::initClass();
SoFCSelection ::initClass();
SoFCUnifiedSelection ::initClass();
SoFCPreselectionAction ::initClass();
SoFCSelectionAction ::initClass();
SoFCDocumentAction ::initClass();
SoGLWidgetNode ::initClass();
SoGLVBOActivatedElement ::initClass();
SoFCEnableSelectionAction ::initClass();
SoFCEnablePreselectionAction ::initClass();
SoFCSelectionColorAction ::initClass();
SoFCHighlightColorAction ::initClass();
SoFCDocumentObjectAction ::initClass();
SoGLSelectAction ::initClass();
SoVisibleFaceAction ::initClass();
SoUpdateVBOAction ::initClass();
SoBoxSelectionRenderAction ::initClass();
SoFCVectorizeSVGAction ::initClass();
SoFCVectorizeU3DAction ::initClass();
SoHighlightElementAction ::initClass();
SoSelectionElementAction ::initClass();
SoVRMLAction ::initClass();
SoSkipBoundingGroup ::initClass();
SoTextLabel ::initClass();
SoDatumLabel ::initClass();
SoColorBarLabel ::initClass();
SoStringLabel ::initClass();
SoFrameLabel ::initClass();
TranslateManip ::initClass();
SoShapeScale ::initClass();
SoAxisCrossKit ::initClass();
SoRegPoint ::initClass();
SoDrawingGrid ::initClass();
SoFCTransform ::initClass();
SoAutoZoomTranslation ::initClass();
MarkerBitmaps ::initClass();
SoTransformDragger ::initClass();
SoLinearGeometryKit ::initClass();
SoArrowGeometry ::initClass();
SoLinearGeometryBaseKit ::initClass();
SoArrowBase ::initClass();
SoRotatorGeometryKit ::initClass();
SoRotatorGeometry ::initClass();
SoRotatorGeometry2 ::initClass();
SoRotatorArrow ::initClass();
SoRotatorGeometryBaseKit ::initClass();
SoRotatorBase ::initClass();
SoToggleSwitch ::initClass();
GizmoContainer ::initClass();
SmSwitchboard ::initClass();
SoFCSeparator ::initClass();
SoFCSelectionRoot ::initClass();
SoFCPathAnnotation ::initClass();
SoMouseWheelEvent ::initClass();
So3DAnnotation ::initClass();
SoDelayedAnnotationsElement ::initClass();
SoFCPlacementIndicatorKit ::initClass();
PropertyItem ::init();
PropertySeparatorItem ::init();
PropertyStringItem ::init();
PropertyFontItem ::init();
PropertyIntegerItem ::init();
PropertyIntegerConstraintItem ::init();
PropertyFloatItem ::init();
PropertyUnitItem ::init();
PropertyFloatConstraintItem ::init();
PropertyPrecisionItem ::init();
PropertyUnitConstraintItem ::init();
PropertyAngleItem ::init();
PropertyBoolItem ::init();
PropertyVectorItem ::init();
PropertyVectorListItem ::init();
PropertyVectorDistanceItem ::init();
PropertyPositionItem ::init();
PropertyDirectionItem ::init();
PropertyMatrixItem ::init();
PropertyPlacementItem ::init();
PropertyRotationItem ::init();
PropertyEnumItem ::init();
PropertyStringListItem ::init();
PropertyFloatListItem ::init();
PropertyIntegerListItem ::init();
PropertyColorItem ::init();
PropertyMaterialItem ::init();
PropertyMaterialListItem ::init();
PropertyFileItem ::init();
PropertyPathItem ::init();
PropertyTransientFileItem ::init();
PropertyLinkItem ::init();
PropertyLinkListItem ::init();
NavigationStyle ::init();
UserNavigationStyle ::init();
NavigationStateChart ::init();
BlenderNavigationStyle ::init();
CADNavigationStyle ::init();
GestureNavigationStyle ::init();
MayaGestureNavigationStyle ::init();
OpenCascadeNavigationStyle ::init();
InventorNavigationStyle ::init();
OpenSCADNavigationStyle ::init();
RevitNavigationStyle ::init();
SiemensNXNavigationStyle ::init();
SolidWorksNavigationStyle ::init();
TinkerCADNavigationStyle ::init();
TouchpadNavigationStyle ::init();
GLGraphicsItem ::init();
GLFlagWindow ::init();
SelectionObject ::init();
ArcEngine ::initClass();
qRegisterMetaType<Base::Vector3f>("Base::Vector3f");
qRegisterMetaType<Base::Vector3d>("Base::Vector3d");
qRegisterMetaType<Base::Quantity>("Base::Quantity");
qRegisterMetaType<QList<Base::Quantity>>("Base::QuantityList");
init_done = true;
assert(!storage);
storage = new SoGroup();
storage->ref();
}
void Gui::SoFCDB::finish()
{
// Coin doesn't provide a mechanism to free static members of own data types.
// Hence, we need to define a static method e.g. 'finish()' for all new types
// to invoke the private member function 'atexit_cleanup()'.
SoFCColorBarBase ::finish();
SoFCColorBar ::finish();
SoFCColorLegend ::finish();
SoFCColorGradient ::finish();
SoFCBackgroundGradient ::finish();
SoFCBoundingBox ::finish();
SoFCSelection ::finish();
SoFCPreselectionAction ::finish();
SoFCSelectionAction ::finish();
SoFCDocumentAction ::finish();
SoFCDocumentObjectAction ::finish();
SoFCEnableSelectionAction ::finish();
SoFCEnablePreselectionAction ::finish();
SoFCSelectionColorAction ::finish();
SoUpdateVBOAction ::finish();
SoFCHighlightColorAction ::finish();
SoFCSeparator ::finish();
SoFCSelectionRoot ::finish();
SoFCPathAnnotation ::finish();
storage->unref();
storage = nullptr;
}
// buffer acrobatics for inventor ****************************************************
namespace
{
static std::vector<char> static_buffer;
static void* buffer_realloc(void* /*bufptr*/, std::size_t size)
{
static_buffer.resize(size);
return static_buffer.data();
}
} // namespace
const std::string& Gui::SoFCDB::writeNodesToString(SoNode* root)
{
SoOutput out;
static_buffer.resize(1024);
out.setBuffer(static_buffer.data(), static_buffer.size(), buffer_realloc);
if (root && root->getTypeId().isDerivedFrom(SoVRMLParent::getClassTypeId())) {
out.setHeaderString("#VRML V2.0 utf8");
}
SoWriteAction wa(&out);
wa.apply(root);
static std::string cReturnString;
cReturnString = static_buffer.data();
return cReturnString;
}
SoNode* replaceSwitches(SoNodeList* children, SoGroup* parent)
{
if (!children) {
return parent;
}
for (int i = 0; i < children->getLength(); i++) {
SoNode* node = (*children)[i];
if (node->getTypeId().isDerivedFrom(SoGroup::getClassTypeId())) {
if (node->getTypeId().isDerivedFrom(SoSwitch::getClassTypeId())) {
auto group = static_cast<SoSwitch*>(node);
int which = group->whichChild.getValue();
if (which == SO_SWITCH_NONE) {
continue;
}
auto newParent = new SoGroup();
SoNodeList c;
if (which >= 0) {
c.append(group->getChild(which));
}
else {
// SO_SWITCH_INHERIT or SO_SWITCH_ALL
for (int i = 0; i < group->getNumChildren(); i++) {
c.append(group->getChild(i));
}
}
replaceSwitches(&c, newParent);
parent->addChild(newParent);
}
else {
auto newParent = static_cast<SoGroup*>(node->getTypeId().createInstance());
replaceSwitches(node->getChildren(), newParent);
parent->addChild(newParent);
}
}
else {
parent->addChild(node);
}
}
return parent;
}
SoNode* replaceSwitchesInSceneGraph(SoNode* node)
{
if (node->getTypeId().isDerivedFrom(SoGroup::getClassTypeId())) {
return replaceSwitches(node->getChildren(), new SoSeparator);
}
return node;
}
SoNode* Gui::SoFCDB::replaceSwitches(SoNode* node)
{
return replaceSwitchesInSceneGraph(node);
}
void Gui::SoFCDB::writeToVRML(SoNode* node, std::string& buffer)
{
SoNode* noSwitches = replaceSwitchesInSceneGraph(node);
noSwitches->ref();
SoVRMLAction vrml2;
vrml2.setOverrideMode(true);
vrml2.apply(noSwitches);
SoToVRML2Action tovrml2;
tovrml2.apply(noSwitches);
SoVRMLGroup* vrmlRoot = tovrml2.getVRML2SceneGraph();
vrmlRoot->setInstancePrefix(SbString("o"));
vrmlRoot->ref();
buffer = SoFCDB::writeNodesToString(vrmlRoot);
vrmlRoot->unref(); // release the memory as soon as possible
// restore old settings
vrml2.setOverrideMode(false);
vrml2.apply(noSwitches);
noSwitches->unref();
}
bool Gui::SoFCDB::writeToVRML(SoNode* node, const char* filename, bool binary)
{
std::string buffer;
writeToVRML(node, buffer);
Base::FileInfo fi(filename);
if (binary) {
// We want to write compressed VRML but Coin 2.4.3 doesn't do it even though
// SoOutput::getAvailableCompressionMethods() delivers a string list that
// contains 'GZIP'. setCompression() was called directly after opening the file,
// returned true and no error message appeared but anyway it didn't work.
// Strange is that reading GZIPped VRML files works.
// So, we do the compression on our own.
Base::ofstream str(fi, std::ios::out | std::ios::binary);
zipios::GZIPOutputStream gzip(str);
if (gzip) {
gzip << buffer;
gzip.close();
return true;
}
}
else {
Base::ofstream str(fi, std::ios::out);
if (str) {
str << buffer;
str.close();
return true;
}
}
return false;
}
bool Gui::SoFCDB::writeToX3D(SoNode* node, const char* filename, bool binary)
{
std::string buffer;
writeToX3D(node, false, buffer);
Base::FileInfo fi(filename);
if (binary) {
Base::ofstream str(fi, std::ios::out | std::ios::binary);
zipios::GZIPOutputStream gzip(str);
if (gzip) {
gzip << buffer;
gzip.close();
return true;
}
}
else {
Base::ofstream str(fi, std::ios::out);
if (str) {
str << buffer;
str.close();
return true;
}
}
return false;
}
bool Gui::SoFCDB::writeToX3D(SoNode* node, bool exportViewpoints, std::string& buffer)
{
SoNode* noSwitches = replaceSwitchesInSceneGraph(node);
noSwitches->ref();
SoVRMLAction vrml2;
vrml2.setOverrideMode(true);
vrml2.apply(noSwitches);
SoToVRML2Action tovrml2;
tovrml2.apply(noSwitches);
SoVRMLGroup* vrmlRoot = tovrml2.getVRML2SceneGraph();
vrmlRoot->setInstancePrefix(SbString("o"));
vrmlRoot->ref();
// Search for SoVRMLIndexedFaceSet nodes and set creaseAngle to 0.5
{
SoSearchAction sa;
sa.setType(SoVRMLShape::getClassTypeId());
sa.setInterest(SoSearchAction::ALL);
sa.setSearchingAll(true);
sa.apply(vrmlRoot);
SoPathList& paths = sa.getPaths();
for (int i = 0; i < paths.getLength(); i++) {
SoPath* path = paths[i];
auto shape = static_cast<SoVRMLShape*>(path->getTail());
SoNode* geom = shape->geometry.getValue();
if (geom && geom->getTypeId() == SoVRMLIndexedFaceSet::getClassTypeId()) {
SoNode* norm = static_cast<SoVRMLIndexedFaceSet*>(geom)->normal.getValue();
if (norm && norm->getTypeId() == SoVRMLNormal::getClassTypeId()) {
// if empty then nullify the normal field node
if (static_cast<SoVRMLNormal*>(norm)->vector.getNum() == 0) {
static_cast<SoVRMLIndexedFaceSet*>(geom)->normal.setValue(nullptr);
}
}
else {
static_cast<SoVRMLIndexedFaceSet*>(geom)->creaseAngle.setValue(0.5f);
}
}
}
sa.reset(); // clear the internal cache
}
std::stringstream out;
writeX3D(vrmlRoot, exportViewpoints, out);
buffer = out.str();
vrmlRoot->unref(); // release the memory as soon as possible
// restore old settings
vrml2.setOverrideMode(false);
vrml2.apply(noSwitches);
noSwitches->unref();
return true;
}
void Gui::SoFCDB::writeX3DFields(
SoNode* node,
std::map<SoNode*, std::string>& nodeMap,
bool isRoot,
int& numDEF,
int spaces,
std::ostream& out
)
{
// remove the VRML prefix from the type name
std::string type(node->getTypeId().getName().getString());
type = type.substr(4);
out << Base::blanks(spaces) << "<" << type;
if (node->getRefCount() > 1 && !isRoot) {
SbName name = node->getName();
std::stringstream str;
if (name.getLength() == 0) {
str << "o" << numDEF++;
}
else {
str << name.getString();
}
nodeMap[node] = str.str();
std::string escapedName = Base::Persistence::encodeAttribute(str.str());
out << " DEF=\"" << escapedName << "\"";
}
const SoFieldData* fielddata = node->getFieldData();
if (fielddata) {
int numFieldNodes = 0;
// process non-SoSFNode and non-SoMFNode fields
for (int i = 0; i < fielddata->getNumFields(); i++) {
SoField* field = fielddata->getField(node, i);
if (!field->isDefault()) {
if (!field->isOfType(SoSFNode::getClassTypeId())
&& !field->isOfType(SoMFNode::getClassTypeId())) {
SbString value;
field->get(value);
QByteArray ba(value.getString(), value.getLength());
ba.replace('\n', ' ');
if (field->isOfType(SoMField::getClassTypeId())) {
ba.replace('[', ' ');
ba.replace(']', ' ');
ba = ba.simplified();
}
// escape XML special characters in attribute value
std::string escapedValue = Base::Persistence::encodeAttribute(
std::string(ba.data())
);
out << '\n'
<< Base::blanks(spaces + 2) << fielddata->getFieldName(i).getString()
<< "=\"" << escapedValue << "\" ";
}
else {
numFieldNodes++;
}
}
}
if (numFieldNodes > 0) {
out << ">\n";
}
else {
out << "/>\n";
}
// process SoSFNode or SoMFNode fields
for (int i = 0; i < fielddata->getNumFields(); i++) {
SoField* field = fielddata->getField(node, i);
if (!field->isDefault()) {
if (field->isOfType(SoSFNode::getClassTypeId())) {
auto sfNode = static_cast<SoSFNode*>(field);
writeX3DChild(sfNode->getValue(), nodeMap, numDEF, spaces + 2, out);
}
else if (field->isOfType(SoMFNode::getClassTypeId())) {
auto mfNode = static_cast<SoMFNode*>(field);
for (int j = 0; j < mfNode->getNum(); j++) {
writeX3DChild(mfNode->getNode(j), nodeMap, numDEF, spaces + 2, out);
}
}
}
}
if (numFieldNodes > 0) {
out << Base::blanks(spaces) << "</" << type << ">\n";
}
}
}
void Gui::SoFCDB::writeX3DChild(
SoNode* node,
std::map<SoNode*, std::string>& nodeMap,
int& numDEF,
int spaces,
std::ostream& out
)
{
if (!node) {
return;
}
// check if the node is already used
auto mapIt = nodeMap.find(node);
if (mapIt == nodeMap.end()) {
writeX3DFields(node, nodeMap, false, numDEF, spaces, out);
}
else {
// remove the VRML prefix from the type name
std::string sftype(node->getTypeId().getName().getString());
sftype = sftype.substr(4);
std::string escapedRef = Base::Persistence::encodeAttribute(mapIt->second);
out << Base::blanks(spaces) << "<" << sftype << " USE=\"" << escapedRef << "\" />\n";
}
}
void Gui::SoFCDB::writeX3D(SoVRMLGroup* node, bool exportViewpoints, std::ostream& out)
{
out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
out << "<!DOCTYPE X3D PUBLIC \"ISO//Web3D//DTD X3D 3.3//EN\" "
"\"http://www.web3d.org/specifications/x3d-3.3.dtd\">\n";
out << "<X3D profile=\"Immersive\" version=\"3.3\" "
"xmlns:xsd=\"http://www.w3.org/2001/XMLSchema-instance\" "
"xsd:noNamespaceSchemaLocation=\"http://www.web3d.org/specifications/x3d-3.3.xsd\">\n";
out << " <head>\n"
" <meta name=\"generator\" content=\"FreeCAD\"/>\n"
" <meta name=\"author\" content=\"\"/>\n"
" <meta name=\"company\" content=\"\"/>\n"
" </head>\n";
std::map<SoNode*, std::string> nodeMap;
out << " <Scene>\n";
// compute a sensible view point
SoGetBoundingBoxAction bboxAction(SbViewportRegion(1280, 1024));
bboxAction.apply(node);
SbBox3f bbox = bboxAction.getBoundingBox();
SbSphere bs;
bs.circumscribe(bbox);
const SbVec3f& cnt = bs.getCenter();
float dist = 2.4f * bs.getRadius();
float dist3 = 0.577350f * dist; // sqrt(1/3) * dist
if (exportViewpoints) {
auto viewpoint =
[&out](const char* text, const SbVec3f& cnt, const SbVec3f& pos, const SbRotation& rot) {
SbVec3f axis;
float angle;
rot.getValue(axis, angle);
out << " <Viewpoint id=\"" << text << "\" centerOfRotation=\"" << cnt[0] << " "
<< cnt[1] << " " << cnt[2] << "\" position=\"" << pos[0] << " " << pos[1] << " "
<< pos[2] << "\" orientation=\"" << axis[0] << " " << axis[1] << " " << axis[2]
<< " " << angle << R"(" description="camera" fieldOfView="0.9">)"
<< "</Viewpoint>\n";
};
viewpoint(
"Iso",
cnt,
SbVec3f(cnt[0] + dist3, cnt[1] - dist3, cnt[2] + dist3),
Camera::rotation(Camera::Isometric)
);
viewpoint("Front", cnt, SbVec3f(cnt[0], cnt[1] - dist, cnt[2]), Camera::rotation(Camera::Front));
viewpoint("Back", cnt, SbVec3f(cnt[0], cnt[1] + dist, cnt[2]), Camera::rotation(Camera::Rear));
viewpoint("Right", cnt, SbVec3f(cnt[0] + dist, cnt[1], cnt[2]), Camera::rotation(Camera::Right));
viewpoint("Left", cnt, SbVec3f(cnt[0] - dist, cnt[1], cnt[2]), Camera::rotation(Camera::Left));
viewpoint("Top", cnt, SbVec3f(cnt[0], cnt[1], cnt[2] + dist), Camera::rotation(Camera::Top));
viewpoint("Bottom", cnt, SbVec3f(cnt[0], cnt[1], cnt[2] - dist), Camera::rotation(Camera::Bottom));
}
int numDEF = 0;
writeX3DFields(node, nodeMap, true, numDEF, 4, out);
out << " </Scene>\n";
out << "</X3D>\n";
}
bool Gui::SoFCDB::writeToX3DOM(SoNode* node, std::string& buffer)
{
std::string x3d;
if (!writeToX3D(node, true, x3d)) {
return false;
}
// remove the first two lines from the x3d output as this duplicates
// the xml and doctype header
std::size_t pos = x3d.find('\n');
pos = x3d.find('\n', pos + 1);
x3d = x3d.erase(0, pos + 1);
std::stringstream out;
out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
out << "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" "
"\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
out << "<html xmlns=\"http://www.w3.org/1999/xhtml\">\n"
<< " <head>\n"
<< " <meta charset=\"utf-8\"/>\n"
<< " <title>FreeCAD X3DOM Export</title>\n"
<< " <script src=\"http://www.x3dom.org/download/x3dom.js\"> </script>\n"
<< " <link rel=\"stylesheet\" type=\"text/css\" "
"href=\"http://www.x3dom.org/download/x3dom.css\"/>\n"
<< " </head>\n"
<< " <body>\n"
<< " <div>\n";
auto onclick = [&out](const char* text) {
out << " <button onclick=\"document.getElementById('" << text
<< "').setAttribute('set_bind','true');\">" << text << "</button>\n";
};
onclick("Iso");
onclick("Front");
onclick("Back");
onclick("Right");
onclick("Left");
onclick("Top");
onclick("Bottom");
out << " </div>\n" << x3d;
out << " </body>\n"
<< "</html>\n";
buffer = out.str();
return true;
}
bool Gui::SoFCDB::writeToFile(SoNode* node, const char* filename, bool binary)
{
bool ret = false;
Base::FileInfo fi(filename);
// Write VRML V2.0
if (fi.hasExtension({"wrl", "vrml", "wrz"})) {
// If 'wrz' is set then force compression
if (fi.hasExtension("wrz")) {
binary = true;
}
ret = SoFCDB::writeToVRML(node, filename, binary);
}
else if (fi.hasExtension({"x3d", "x3dz"})) {
// If 'x3dz' is set then force compression
if (fi.hasExtension("x3dz")) {
binary = true;
}
ret = SoFCDB::writeToX3D(node, filename, binary);
}
else if (fi.hasExtension("xhtml")) {
std::string buffer;
if (SoFCDB::writeToX3DOM(node, buffer)) {
Base::ofstream str(Base::FileInfo(filename), std::ios::out);
if (str) {
str << buffer;
str.close();
ret = true;
}
}
}
else if (fi.hasExtension("iv")) {
// Write Inventor in ASCII
std::string buffer = SoFCDB::writeNodesToString(node);
Base::ofstream str(Base::FileInfo(filename), std::ios::out);
if (str) {
str << buffer;
str.close();
ret = true;
}
}
return ret;
}
SoGroup* Gui::SoFCDB::getStorage()
{
assert(storage); // call init first.
return storage;
}