FreeCAD/src/Mod/Raytracing/Gui/AppRaytracingGuiPy.cpp

211 lines
8.5 KiB
C++

/***************************************************************************
* Copyright (c) 2008 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 "PreCompiled.h"
#ifndef _PreComp_
# include <gp_Vec.hxx>
# include <QFileInfo>
# include <Inventor/SoInput.h>
# include <Inventor/nodes/SoNode.h>
# include <Inventor/nodes/SoOrthographicCamera.h>
# include <vector>
# include <Inventor/nodes/SoPerspectiveCamera.h>
#endif
#include <Base/PyObjectBase.h>
#include <Base/Interpreter.h>
#include <Gui/Application.h>
#include <Gui/EditorView.h>
#include <Gui/TextEdit.h>
#include <Gui/MainWindow.h>
#include <Gui/MainWindow.h>
#include <Gui/View.h>
#include <Mod/Raytracing/App/PovTools.h>
#include <Mod/Raytracing/App/LuxTools.h>
#include "PovrayHighlighter.h"
using namespace RaytracingGui;
using namespace Raytracing;
/// open pov file
static PyObject *
open(PyObject *self, PyObject *args)
{
// only used to open Povray files
const char* Name;
const char* DocName;
if (!PyArg_ParseTuple(args, "s|s",&Name, &DocName))
return NULL;
PY_TRY {
QString fileName = QString::fromUtf8(Name);
QFileInfo fi;
fi.setFile(fileName);
QString ext = fi.completeSuffix().toLower();
QList<Gui::EditorView*> views = Gui::getMainWindow()->findChildren<Gui::EditorView*>();
for (QList<Gui::EditorView*>::Iterator it = views.begin(); it != views.end(); ++it) {
if ((*it)->fileName() == fileName) {
(*it)->setFocus();
Py_Return;
}
}
if (ext == QLatin1String("pov") || ext == QLatin1String("inc")) {
Gui::TextEditor* editor = new Gui::TextEditor();
editor->setSyntaxHighlighter(new PovrayHighlighter(editor));
Gui::EditorView* edit = new Gui::EditorView(editor, Gui::getMainWindow());
edit->open(fileName);
edit->resize(400, 300);
Gui::getMainWindow()->addWindow(edit);
}
} PY_CATCH;
Py_Return;
}
/// return the camera definition of the active view
static PyObject *
povViewCamera(PyObject *self, PyObject *args)
{
// no arguments
if (!PyArg_ParseTuple(args, ""))
return NULL;
PY_TRY {
std::string out;
const char* ppReturn=0;
Gui::Application::Instance->sendMsgToActiveView("GetCamera",&ppReturn);
SoNode* rootNode;
SoInput in;
in.setBuffer((void*)ppReturn,std::strlen(ppReturn));
SoDB::read(&in,rootNode);
if (!rootNode || !rootNode->getTypeId().isDerivedFrom(SoCamera::getClassTypeId()))
throw Base::Exception("CmdRaytracingWriteCamera::activated(): Could not read "
"camera information from ASCII stream....\n");
// root-node returned from SoDB::readAll() has initial zero
// ref-count, so reference it before we start using it to
// avoid premature destruction.
SoCamera * Cam = static_cast<SoCamera*>(rootNode);
Cam->ref();
SbRotation camrot = Cam->orientation.getValue();
SbVec3f upvec(0, 1, 0); // init to default up vector
camrot.multVec(upvec, upvec);
SbVec3f lookat(0, 0, -1); // init to default view direction vector
camrot.multVec(lookat, lookat);
SbVec3f pos = Cam->position.getValue();
float Dist = Cam->focalDistance.getValue();
// making gp out of the Coin stuff
gp_Vec gpPos(pos.getValue()[0],pos.getValue()[1],pos.getValue()[2]);
gp_Vec gpDir(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
lookat *= Dist;
lookat += pos;
gp_Vec gpLookAt(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
gp_Vec gpUp(upvec.getValue()[0],upvec.getValue()[1],upvec.getValue()[2]);
// getting image format
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Raytracing");
int width = hGrp->GetInt("OutputWidth", 800);
int height = hGrp->GetInt("OutputHeight", 600);
// call the write method of PovTools....
out = PovTools::getCamera(CamDef(gpPos,gpDir,gpLookAt,gpUp),width,height);
return Py::new_reference_to(Py::String(out));
} PY_CATCH;
}
/// return a luxrender camera definition of the active view
static PyObject *
luxViewCamera(PyObject *self, PyObject *args)
{
// no arguments
if (!PyArg_ParseTuple(args, ""))
return NULL;
PY_TRY {
std::string out;
const char* ppReturn=0;
Gui::Application::Instance->sendMsgToActiveView("GetCamera",&ppReturn);
SoNode* rootNode;
SoInput in;
in.setBuffer((void*)ppReturn,std::strlen(ppReturn));
SoDB::read(&in,rootNode);
if (!rootNode || !rootNode->getTypeId().isDerivedFrom(SoCamera::getClassTypeId()))
throw Base::Exception("CmdRaytracingWriteCamera::activated(): Could not read "
"camera information from ASCII stream....\n");
// root-node returned from SoDB::readAll() has initial zero
// ref-count, so reference it before we start using it to
// avoid premature destruction.
SoCamera * Cam = static_cast<SoCamera*>(rootNode);
Cam->ref();
SbRotation camrot = Cam->orientation.getValue();
SbVec3f upvec(0, 1, 0); // init to default up vector
camrot.multVec(upvec, upvec);
SbVec3f lookat(0, 0, -1); // init to default view direction vector
camrot.multVec(lookat, lookat);
SbVec3f pos = Cam->position.getValue();
float Dist = Cam->focalDistance.getValue();
// making gp out of the Coin stuff
gp_Vec gpPos(pos.getValue()[0],pos.getValue()[1],pos.getValue()[2]);
gp_Vec gpDir(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
lookat *= Dist;
lookat += pos;
gp_Vec gpLookAt(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
gp_Vec gpUp(upvec.getValue()[0],upvec.getValue()[1],upvec.getValue()[2]);
// call the write method of PovTools....
out = LuxTools::getCamera(CamDef(gpPos,gpDir,gpLookAt,gpUp));
return Py::new_reference_to(Py::String(out));
} PY_CATCH;
}
/* registration table */
struct PyMethodDef RaytracingGui_methods[] = {
{"open" ,open ,METH_VARARGS,
"open(string) -- Create a new text document and load the file into the document."},
{"insert" ,open ,METH_VARARGS,
"insert(string,string) -- Create a new text document and load the file into the document."},
{"povViewCamera" ,povViewCamera ,METH_VARARGS,
"string povViewCamera() -- returns the povray camera definition of the active 3D view."},
{"luxViewCamera" ,luxViewCamera ,METH_VARARGS,
"string luxViewCamera() -- returns the luxrender camera definition of the active 3D view."},
{NULL, NULL}
};