/
View3DPy.cpp
2253 lines (2052 loc) · 79.2 KB
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View3DPy.cpp
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/***************************************************************************
* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2002 *
* *
* 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 __InventorAll__
# include "InventorAll.h"
# include <sstream>
# include <QColor>
# include <QDir>
# include <QFileInfo>
# include <QImage>
# include <Inventor/SbViewVolume.h>
# include <Inventor/nodes/SoCamera.h>
#endif
#include <QtOpenGL.h>
#include "View3DPy.h"
#include "ViewProviderDocumentObject.h"
#include "ViewProviderExtern.h"
#include "Application.h"
#include "Document.h"
#include "NavigationStyle.h"
#include "SoFCSelectionAction.h"
#include "SoFCOffscreenRenderer.h"
#include "SoFCVectorizeSVGAction.h"
#include "SoFCVectorizeU3DAction.h"
#include "SoFCDB.h"
#include "View3DInventor.h"
#include "View3DInventorViewer.h"
#include "View3DViewerPy.h"
#include "ActiveObjectList.h"
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Interpreter.h>
#include <Base/PlacementPy.h>
#include <Base/Rotation.h>
#include <Base/RotationPy.h>
#include <Base/VectorPy.h>
#include <Base/GeometryPyCXX.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/DocumentObjectPy.h>
#include <CXX/Objects.hxx>
using namespace Gui;
void View3DInventorPy::init_type()
{
behaviors().name("View3DInventorPy");
behaviors().doc("Python binding class for the Inventor viewer class");
// you must have overwritten the virtual functions
behaviors().supportRepr();
behaviors().supportGetattr();
behaviors().supportSetattr();
add_varargs_method("message",&View3DInventorPy::message,"message()");
add_varargs_method("fitAll",&View3DInventorPy::fitAll,"fitAll()");
add_keyword_method("boxZoom",&View3DInventorPy::boxZoom,"boxZoom()");
add_varargs_method("viewBottom",&View3DInventorPy::viewBottom,"viewBottom()");
add_varargs_method("viewFront",&View3DInventorPy::viewFront,"viewFront()");
add_varargs_method("viewLeft",&View3DInventorPy::viewLeft,"viewLeft()");
add_varargs_method("viewRear",&View3DInventorPy::viewRear,"viewRear()");
add_varargs_method("viewRight",&View3DInventorPy::viewRight,"viewRight()");
add_varargs_method("viewTop",&View3DInventorPy::viewTop,"viewTop()");
add_varargs_method("viewAxometric",&View3DInventorPy::viewAxonometric,"viewAxonometric()"); // for backward compatibility
add_varargs_method("viewAxonometric",&View3DInventorPy::viewAxonometric,"viewAxonometric()");
add_varargs_method("viewRotateLeft",&View3DInventorPy::viewRotateLeft,"viewRotateLeft()");
add_varargs_method("viewRotateRight",&View3DInventorPy::viewRotateRight,"viewRotateRight()");
add_varargs_method("zoomIn",&View3DInventorPy::zoomIn,"zoomIn()");
add_varargs_method("zoomOut",&View3DInventorPy::zoomOut,"zoomOut()");
add_varargs_method("viewPosition",&View3DInventorPy::viewPosition,"viewPosition()");
add_varargs_method("startAnimating",&View3DInventorPy::startAnimating,"startAnimating()");
add_varargs_method("stopAnimating",&View3DInventorPy::stopAnimating,"stopAnimating()");
add_varargs_method("setAnimationEnabled",&View3DInventorPy::setAnimationEnabled,"setAnimationEnabled()");
add_varargs_method("isAnimationEnabled",&View3DInventorPy::isAnimationEnabled,"isAnimationEnabled()");
add_varargs_method("dump",&View3DInventorPy::dump,"dump()");
add_varargs_method("dumpNode",&View3DInventorPy::dumpNode,"dumpNode(node)");
add_varargs_method("setStereoType",&View3DInventorPy::setStereoType,"setStereoType()");
add_varargs_method("getStereoType",&View3DInventorPy::getStereoType,"getStereoType()");
add_varargs_method("listStereoTypes",&View3DInventorPy::listStereoTypes,"listStereoTypes()");
add_varargs_method("saveImage",&View3DInventorPy::saveImage,"saveImage()");
add_varargs_method("saveVectorGraphic",&View3DInventorPy::saveVectorGraphic,"saveVectorGraphic()");
add_varargs_method("getCamera",&View3DInventorPy::getCamera,"getCamera()");
add_varargs_method("getCameraNode",&View3DInventorPy::getCameraNode,"getCameraNode()");
add_varargs_method("getViewDirection",&View3DInventorPy::getViewDirection,"getViewDirection() --> tuple of integers\n"
"returns the direction vector the view is currently pointing at as tuple with xyz values\n"
);
add_varargs_method("setViewDirection",&View3DInventorPy::setViewDirection,"setViewDirection(tuple) --> None\n"
"Sets the direction the view is pointing at. The direction must be given as tuple with\n"
"three coordinates xyz"
);
add_varargs_method("setCamera",&View3DInventorPy::setCamera,"setCamera()");
add_varargs_method("setCameraOrientation",&View3DInventorPy::setCameraOrientation,"setCameraOrientation()");
add_varargs_method("getCameraOrientation",&View3DInventorPy::getCameraOrientation,"getCameraOrientation()");
add_varargs_method("getCameraType",&View3DInventorPy::getCameraType,"getCameraType()");
add_varargs_method("setCameraType",&View3DInventorPy::setCameraType,"setCameraType()");
add_varargs_method("listCameraTypes",&View3DInventorPy::listCameraTypes,"listCameraTypes()");
add_varargs_method("getCursorPos",&View3DInventorPy::getCursorPos,
"getCursorPos() -> tuple of integers\n"
"\n"
"Return the current cursor position relative to the coordinate system of the\n"
"viewport region.\n");
add_varargs_method("getObjectInfo",&View3DInventorPy::getObjectInfo,
"getObjectInfo(tuple(int,int), [pick_radius]) -> dictionary or None\n"
"\n"
"Return a dictionary with the name of document, object and component. The\n"
"dictionary also contains the coordinates of the appropriate 3d point of\n"
"the underlying geometry in the scenegraph.\n"
"If no geometry was found 'None' is returned, instead.\n");
add_varargs_method("getObjectsInfo",&View3DInventorPy::getObjectsInfo,
"getObjectsInfo(tuple(int,int), [pick_radius]) -> dictionary or None\n"
"\n"
"Does the same as getObjectInfo() but returns a list of dictionaries or None.\n");
add_varargs_method("getSize",&View3DInventorPy::getSize,"getSize()");
add_varargs_method("getPoint",&View3DInventorPy::getPoint,
"getPoint(pixel coords (as integer)) -> 3D vector\n"
"\n"
"Return the according 3D point on the focal plane to the given 2D point (in\n"
"pixel coordinates).\n");
add_varargs_method("getPointOnScreen",&View3DInventorPy::getPointOnScreen,
"getPointOnScreen(3D vector) -> pixel coords (as integer)\n"
"\n"
"Return the projected 3D point (in pixel coordinates).\n");
add_varargs_method("addEventCallback",&View3DInventorPy::addEventCallback,"addEventCallback()");
add_varargs_method("removeEventCallback",&View3DInventorPy::removeEventCallback,"removeEventCallback()");
add_varargs_method("setAnnotation",&View3DInventorPy::setAnnotation,"setAnnotation()");
add_varargs_method("removeAnnotation",&View3DInventorPy::removeAnnotation,"removeAnnotation()");
add_varargs_method("getSceneGraph",&View3DInventorPy::getSceneGraph,"getSceneGraph()");
add_varargs_method("getViewer",&View3DInventorPy::getViewer,"getViewer()");
add_varargs_method("addEventCallbackPivy",&View3DInventorPy::addEventCallbackPivy,"addEventCallbackPivy()");
add_varargs_method("removeEventCallbackPivy",&View3DInventorPy::removeEventCallbackPivy,"removeEventCallbackPivy()");
add_varargs_method("addEventCallbackSWIG",&View3DInventorPy::addEventCallbackPivy,
"Deprecated -- use addEventCallbackPivy()");
add_varargs_method("removeEventCallbackSWIG",&View3DInventorPy::removeEventCallbackPivy,
"Deprecated -- use removeEventCallbackPivy()");
add_varargs_method("listNavigationTypes",&View3DInventorPy::listNavigationTypes,"listNavigationTypes()");
add_varargs_method("getNavigationType",&View3DInventorPy::getNavigationType,"getNavigationType()");
add_varargs_method("setNavigationType",&View3DInventorPy::setNavigationType,"setNavigationType()");
add_varargs_method("setAxisCross",&View3DInventorPy::setAxisCross,"switch the big axis-cross on and off");
add_varargs_method("hasAxisCross",&View3DInventorPy::hasAxisCross,"check if the big axis-cross is on or off()");
add_varargs_method("addDraggerCallback",&View3DInventorPy::addDraggerCallback,
"addDraggerCallback(SoDragger, String CallbackType, function)\n"
"Add a DraggerCalback function to the coin node\n"
"Possibles types :\n"
"'addFinishCallback','addStartCallback','addMotionCallback','addValueChangedCallback'\n");
add_varargs_method("removeDraggerCallback",&View3DInventorPy::removeDraggerCallback,
"removeDraggerCallback(SoDragger, String CallbackType, function)\n"
"Remove the DraggerCalback function from the coin node\n"
"Possibles types :\n"
"'addFinishCallback','addStartCallback','addMotionCallback','addValueChangedCallback'\n");
add_varargs_method("setActiveObject", &View3DInventorPy::setActiveObject, "setActiveObject(name,object)\nadd or set a new active object");
add_varargs_method("getActiveObject", &View3DInventorPy::getActiveObject, "getActiveObject(name)\nreturns the active object for the given type");
add_varargs_method("redraw", &View3DInventorPy::redraw, "redraw(): renders the scene on screen (useful for animations)");
}
View3DInventorPy::View3DInventorPy(View3DInventor *vi)
: _view(vi)
{
}
View3DInventorPy::~View3DInventorPy()
{
Base::PyGILStateLocker lock;
for (std::list<PyObject*>::iterator it = callbacks.begin(); it != callbacks.end(); ++it)
Py_DECREF(*it);
}
Py::Object View3DInventorPy::repr()
{
std::string s;
std::ostringstream s_out;
if (!_view)
throw Py::RuntimeError("Cannot print representation of deleted object");
s_out << "View3DInventor";
return Py::String(s_out.str());
}
View3DInventorPy::method_varargs_handler View3DInventorPy::pycxx_handler = 0;
PyObject *View3DInventorPy::method_varargs_ext_handler(PyObject *_self_and_name_tuple, PyObject *_args)
{
try {
return pycxx_handler(_self_and_name_tuple, _args);
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
}
Py::Object View3DInventorPy::getattr(const char * attr)
{
if (!_view) {
std::string s;
std::ostringstream s_out;
s_out << "Cannot access attribute '" << attr << "' of deleted object";
throw Py::RuntimeError(s_out.str());
}
else {
// see if an active object has the same name
App::DocumentObject *docObj = _view->getActiveObject<App::DocumentObject*>(attr);
if (docObj) {
return Py::Object(docObj->getPyObject(),true);
}
else {
// else looking for a method with the name and call it
Py::Object obj = Py::PythonExtension<View3DInventorPy>::getattr(attr);
if (PyCFunction_Check(obj.ptr())) {
PyCFunctionObject* op = reinterpret_cast<PyCFunctionObject*>(obj.ptr());
if (op->m_ml->ml_flags == METH_VARARGS) {
if (!pycxx_handler)
pycxx_handler = op->m_ml->ml_meth;
op->m_ml->ml_meth = method_varargs_ext_handler;
}
}
return obj;
}
}
}
int View3DInventorPy::setattr(const char * attr, const Py::Object & value)
{
if (!_view) {
std::string s;
std::ostringstream s_out;
s_out << "Cannot access attribute '" << attr << "' of deleted object";
throw Py::RuntimeError(s_out.str());
}
else {
return Py::PythonExtension<View3DInventorPy>::setattr(attr, value);
}
}
Py::Object View3DInventorPy::message(const Py::Tuple& args)
{
const char **ppReturn = 0;
char *psMsgStr;
if (!PyArg_ParseTuple(args.ptr(), "s;Message string needed (string)",&psMsgStr)) // convert args: Python->C
throw Py::Exception();
try {
_view->onMsg(psMsgStr,ppReturn);
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::fitAll(const Py::Tuple& args)
{
double factor = 1.0;
if (!PyArg_ParseTuple(args.ptr(), "|d", &factor))
throw Py::Exception();
try {
_view->getViewer()->viewAll((float)factor);
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::boxZoom(const Py::Tuple& args, const Py::Dict& kwds)
{
static char* kwds_box[] = {"XMin", "YMin", "XMax", "YMax", NULL};
short xmin, ymin, xmax, ymax;
if (!PyArg_ParseTupleAndKeywords(args.ptr(), kwds.ptr(), "hhhh", kwds_box,
&xmin, &ymin, &xmax, &ymax))
throw Py::Exception();
SbBox2s box(xmin, ymin, xmax, ymax);
_view->getViewer()->boxZoom(box);
return Py::None();
}
Py::Object View3DInventorPy::viewBottom(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
_view->getViewer()->setCameraOrientation(SbRotation(-1, 0, 0, 0));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewFront(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
float root = (float)(sqrt(2.0)/2.0);
_view->getViewer()->setCameraOrientation(SbRotation(-root, 0, 0, -root));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewLeft(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
_view->getViewer()->setCameraOrientation(SbRotation(-0.5, 0.5, 0.5, -0.5));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewRear(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
float root = (float)(sqrt(2.0)/2.0);
_view->getViewer()->setCameraOrientation(SbRotation(0, root, root, 0));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewRight(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
_view->getViewer()->setCameraOrientation(SbRotation(0.5, 0.5, 0.5, 0.5));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewTop(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
_view->getViewer()->setCameraOrientation(SbRotation(0, 0, 0, 1));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewAxonometric(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
//from math import sqrt, degrees, asin
//p1=App.Rotation(App.Vector(1,0,0),45)
//p2=App.Rotation(App.Vector(0,0,1),-45)
//p3=p2.multiply(p1)
//_view->getViewer()->setCameraOrientation(SbRotation
// (0.353553f, -0.146447f, -0.353553f, 0.853553f));
//from math import sqrt, degrees, asin
//p1=App.Rotation(App.Vector(1,0,0),90)
//p2=App.Rotation(App.Vector(0,0,1),45)
//p3=App.Rotation(App.Vector(1,1,0),45)
//p3=App.Rotation(App.Vector(1,1,0),degrees(asin(-sqrt(1.0/3.0))))
//p4=p3.multiply(p2).multiply(p1)
_view->getViewer()->setCameraOrientation(SbRotation
(0.424708f, 0.17592f, 0.339851f, 0.820473f));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewRotateLeft(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
SoCamera* cam = _view->getViewer()->getSoRenderManager()->getCamera();
SbRotation rot = cam->orientation.getValue();
SbVec3f vdir(0, 0, -1);
rot.multVec(vdir, vdir);
SbRotation nrot(vdir, (float)M_PI/2);
cam->orientation.setValue(rot*nrot);
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::viewRotateRight(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
SoCamera* cam = _view->getViewer()->getSoRenderManager()->getCamera();
SbRotation rot = cam->orientation.getValue();
SbVec3f vdir(0, 0, -1);
rot.multVec(vdir, vdir);
SbRotation nrot(vdir, (float)-M_PI/2);
cam->orientation.setValue(rot*nrot);
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::zoomIn(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
_view->getViewer()->navigationStyle()->zoomIn();
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::zoomOut(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
_view->getViewer()->navigationStyle()->zoomOut();
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::setCameraOrientation(const Py::Tuple& args)
{
PyObject* o;
PyObject* m=Py_False;
if (!PyArg_ParseTuple(args.ptr(), "O|O!", &o, &PyBool_Type, &m))
throw Py::Exception();
try {
if (PyTuple_Check(o)) {
Py::Tuple tuple(o);
float q0 = (float)Py::Float(tuple[0]);
float q1 = (float)Py::Float(tuple[1]);
float q2 = (float)Py::Float(tuple[2]);
float q3 = (float)Py::Float(tuple[3]);
_view->getViewer()->setCameraOrientation(SbRotation(q0, q1, q2, q3), PyObject_IsTrue(m));
}
else if (PyObject_TypeCheck(o, &Base::RotationPy::Type)) {
Base::Rotation r = (Base::Rotation)Py::Rotation(o,false);
double q0, q1, q2, q3;
r.getValue(q0, q1, q2, q3);
_view->getViewer()->setCameraOrientation(SbRotation((float)q0, (float)q1, (float)q2, (float)q3), PyObject_IsTrue(m));
}
else {
throw Py::ValueError("Neither tuple nor rotation object");
}
}
catch (const Py::Exception&) {
throw; // re-throw
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::getCameraOrientation(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
SbRotation rot = _view->getViewer()->getCameraOrientation();
float q0,q1,q2,q3;
rot.getValue(q0,q1,q2,q3);
return Py::Rotation(Base::Rotation(q0,q1,q2,q3));
}
Py::Object View3DInventorPy::viewPosition(const Py::Tuple& args)
{
PyObject* p=0;
int steps = 20;
int ms = 30;
if (!PyArg_ParseTuple(args.ptr(), "|O!ii",&Base::PlacementPy::Type,&p,&steps,&ms))
throw Py::Exception();
if (p) {
Base::Placement* plm = static_cast<Base::PlacementPy*>(p)->getPlacementPtr();
Base::Rotation rot = plm->getRotation();
Base::Vector3d pos = plm->getPosition();
double q0,q1,q2,q3;
rot.getValue(q0,q1,q2,q3);
_view->getViewer()->moveCameraTo(
SbRotation((float)q0, (float)q1, (float)q2, (float)q3),
SbVec3f((float)pos.x, (float)pos.y, (float)pos.z), steps, ms);
}
SoCamera* cam = _view->getViewer()->getSoRenderManager()->getCamera();
if (!cam) return Py::None();
SbRotation rot = cam->orientation.getValue();
SbVec3f pos = cam->position.getValue();
float q0,q1,q2,q3;
rot.getValue(q0,q1,q2,q3);
Base::Placement plm(
Base::Vector3d(pos[0], pos[1], pos[2]),
Base::Rotation(q0, q1, q2, q3));
return Py::Placement(plm);
}
Py::Object View3DInventorPy::startAnimating(const Py::Tuple& args)
{
float x,y,z;
float velocity;
if (!PyArg_ParseTuple(args.ptr(), "ffff", &x,&y,&z,&velocity))
throw Py::Exception();
_view->getViewer()->startAnimating(SbVec3f(x,y,z),velocity);
return Py::None();
}
Py::Object View3DInventorPy::stopAnimating(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
_view->getViewer()->stopAnimating();
return Py::None();
}
Py::Object View3DInventorPy::setAnimationEnabled(const Py::Tuple& args)
{
int ok;
if (!PyArg_ParseTuple(args.ptr(), "i", &ok))
throw Py::Exception();
_view->getViewer()->setAnimationEnabled(ok!=0);
return Py::None();
}
Py::Object View3DInventorPy::isAnimationEnabled(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
SbBool ok = _view->getViewer()->isAnimationEnabled();
return Py::Boolean(ok ? true : false);
}
void View3DInventorPy::createImageFromFramebuffer(int width, int height, const QColor& bgcolor, QImage& img)
{
View3DInventorViewer* viewer = _view->getViewer();
static_cast<QtGLWidget*>(viewer->getGLWidget())->makeCurrent();
const QtGLContext* context = QtGLContext::currentContext();
if (!context) {
Base::Console().Warning("createImageFromFramebuffer failed because no context is active\n");
return;
}
#if QT_VERSION >= 0x040600
QtGLFramebufferObjectFormat format;
format.setSamples(8);
format.setAttachment(QtGLFramebufferObject::Depth);
#if defined(HAVE_QT5_OPENGL)
format.setInternalTextureFormat(GL_RGB32F_ARB);
#else
format.setInternalTextureFormat(GL_RGB);
#endif
QtGLFramebufferObject fbo(width, height, format);
#else
QtGLFramebufferObject fbo(width, height, QtGLFramebufferObject::Depth);
#endif
const QColor col = viewer->backgroundColor();
bool on = viewer->hasGradientBackground();
if (bgcolor.isValid()) {
viewer->setBackgroundColor(bgcolor);
viewer->setGradientBackground(false);
}
viewer->renderToFramebuffer(&fbo);
viewer->setBackgroundColor(col);
viewer->setGradientBackground(on);
img = fbo.toImage();
}
Py::Object View3DInventorPy::saveImage(const Py::Tuple& args)
{
char *cFileName,*cColor="Current",*cComment="$MIBA";
int w=-1,h=-1;
if (!PyArg_ParseTuple(args.ptr(), "et|iiss","utf-8",&cFileName,&w,&h,&cColor,&cComment))
throw Py::Exception();
std::string encodedName = std::string(cFileName);
PyMem_Free(cFileName);
QFileInfo fi(QString::fromUtf8(encodedName.c_str()));
if (!fi.absoluteDir().exists())
throw Py::RuntimeError("Directory where to save image doesn't exist");
QColor bg;
QString colname = QString::fromLatin1(cColor);
if (colname.compare(QLatin1String("Current"), Qt::CaseInsensitive) == 0)
bg = QColor(); // assign an invalid color here
else
bg.setNamedColor(colname);
QImage img;
#if !defined(HAVE_QT5_OPENGL)
bool pbuffer = QGLPixelBuffer::hasOpenGLPbuffers();
#else
bool pbuffer = false;
#endif
if (App::GetApplication().GetParameterGroupByPath
("User parameter:BaseApp/Preferences/Document")->GetBool("DisablePBuffers",!pbuffer)) {
createImageFromFramebuffer(w, h, bg, img);
}
else {
try {
_view->getViewer()->savePicture(w, h, bg, img);
}
catch (const Base::Exception&) {
createImageFromFramebuffer(w, h, bg, img);
}
}
SoFCOffscreenRenderer& renderer = SoFCOffscreenRenderer::instance();
SoCamera* cam = _view->getViewer()->getSoRenderManager()->getCamera();
renderer.writeToImageFile(encodedName.c_str(), cComment, cam->getViewVolume().getMatrix(), img);
return Py::None();
}
Py::Object View3DInventorPy::saveVectorGraphic(const Py::Tuple& args)
{
char* filename;
int ps=4;
char* name="white";
if (!PyArg_ParseTuple(args.ptr(), "s|is",&filename,&ps,&name))
throw Py::Exception();
std::unique_ptr<SoVectorizeAction> vo;
Base::FileInfo fi(filename);
if (fi.hasExtension("ps") || fi.hasExtension("eps")) {
vo = std::unique_ptr<SoVectorizeAction>(new SoVectorizePSAction());
//vo->setGouraudThreshold(0.0f);
}
else if (fi.hasExtension("svg")) {
vo = std::unique_ptr<SoVectorizeAction>(new SoFCVectorizeSVGAction());
}
else if (fi.hasExtension("idtf")) {
vo = std::unique_ptr<SoVectorizeAction>(new SoFCVectorizeU3DAction());
}
else {
throw Py::Exception("Not supported vector graphic");
}
SoVectorOutput * out = vo->getOutput();
if (!out || !out->openFile(filename)) {
std::ostringstream a_out;
a_out << "Cannot open file '" << filename << "'";
throw Py::Exception(a_out.str());
}
QColor bg;
QString colname = QString::fromLatin1(name);
if (colname.compare(QLatin1String("Current"), Qt::CaseInsensitive) == 0)
bg = _view->getViewer()->backgroundColor();
else
bg.setNamedColor(colname);
_view->getViewer()->saveGraphic(ps,bg,vo.get());
out->closeFile();
return Py::None();
}
Py::Object View3DInventorPy::getCameraNode(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
SoNode* camera = _view->getViewer()->getSoRenderManager()->getCamera();
PyObject* proxy = 0;
std::string type;
type = "So"; // seems that So prefix is missing in camera node
type += camera->getTypeId().getName().getString();
type += " *";
proxy = Base::Interpreter().createSWIGPointerObj("pivy.coin", type.c_str(), (void*)camera, 1);
camera->ref();
return Py::Object(proxy, true);
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
}
Py::Object View3DInventorPy::getCamera(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
SoOutput out;
char buffer[512];
out.setBuffer(buffer, 512, 0);
try {
SoWriteAction wa(&out);
SoCamera * cam = _view->getViewer()->getSoRenderManager()->getCamera();
if (cam) wa.apply(cam);
else buffer[0] = '\0';
return Py::String(buffer);
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
}
Py::Object View3DInventorPy::getViewDirection(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
try {
SbVec3f dvec = _view->getViewer()->getViewDirection();
return Py::Vector(Base::Vector3f(dvec[0], dvec[1], dvec[2]));
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
}
Py::Object View3DInventorPy::setViewDirection(const Py::Tuple& args)
{
PyObject* object;
if (!PyArg_ParseTuple(args.ptr(), "O", &object))
throw Py::Exception();
try {
if (PyTuple_Check(object)) {
Py::Tuple tuple(object);
Py::Float x(tuple.getItem(0));
Py::Float y(tuple.getItem(1));
Py::Float z(tuple.getItem(2));
SbVec3f dir;
dir.setValue((float)x, (float)y, (float)z);
if (dir.length() < 0.001f)
throw Py::ValueError("Null vector cannot be used to set direction");
_view->getViewer()->setViewDirection(dir);
return Py::None();
}
}
catch (const Py::Exception&) {
throw; // re-throw
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
return Py::None();
}
Py::Object View3DInventorPy::setCamera(const Py::Tuple& args)
{
char* buffer;
if (!PyArg_ParseTuple(args.ptr(), "s", &buffer))
throw Py::Exception();
try {
_view->setCamera(buffer);
return Py::None();
}
catch (const Base::Exception& e) {
throw Py::Exception(e.what());
}
catch (const std::exception& e) {
throw Py::Exception(e.what());
}
catch(...) {
throw Py::Exception("Unknown C++ exception");
}
}
//FIXME: Once View3DInventor inherits from PropertyContainer we can use PropertyEnumeration.
const char* CameraTypeEnums[]= {"Orthographic","Perspective",NULL};
Py::Object View3DInventorPy::getCameraType(const Py::Tuple& args)
{
if (!PyArg_ParseTuple(args.ptr(), ""))
throw Py::Exception();
SoCamera* cam = _view->getViewer()->getSoRenderManager()->getCamera();
if (!cam) {
throw Py::Exception("No camera set!");
}
else if (cam->getTypeId() == SoOrthographicCamera::getClassTypeId()) {
return Py::String(CameraTypeEnums[0]);
}
else if (cam->getTypeId() == SoPerspectiveCamera::getClassTypeId()) {
return Py::String(CameraTypeEnums[1]);
}
else {
throw Py::Exception("Unknown camera type");
}
}
Py::Object View3DInventorPy::setCameraType(const Py::Tuple& args)
{
int cameratype=-1;
if (!PyArg_ParseTuple(args.ptr(), "i", &cameratype)) { // convert args: Python->C
char* modename;
PyErr_Clear();
if (!PyArg_ParseTuple(args.ptr(), "s", &modename))
throw Py::Exception();
for (int i=0; i<2; i++ ) {
if (strncmp(CameraTypeEnums[i],modename,20) == 0 ) {
cameratype = i;
break;
}
}
if (cameratype < 0) {
std::string s;
std::ostringstream s_out;
s_out << "Unknown camera type '" << modename << "'";
throw Py::NameError(s_out.str());
}
}
if (cameratype < 0 || cameratype > 1)
throw Py::Exception("Out of range");