256 lines
10 KiB
C++
256 lines
10 KiB
C++
/***************************************************************************
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* Copyright (c) 2008 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <gp_Vec.hxx>
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# include <QFileInfo>
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# include <Inventor/SoInput.h>
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# include <Inventor/nodes/SoNode.h>
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# include <Inventor/nodes/SoOrthographicCamera.h>
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# include <vector>
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# include <Inventor/nodes/SoPerspectiveCamera.h>
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#endif
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#include <CXX/Extensions.hxx>
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#include <CXX/Objects.hxx>
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#include <Base/PyObjectBase.h>
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#include <Base/Interpreter.h>
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#include <Gui/Application.h>
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#include <Gui/Document.h>
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#include <Gui/EditorView.h>
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#include <Gui/TextEdit.h>
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#include <Gui/MainWindow.h>
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#include <Gui/View.h>
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#include <Mod/Raytracing/App/PovTools.h>
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#include <Mod/Raytracing/App/LuxTools.h>
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#include "PovrayHighlighter.h"
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namespace RaytracingGui {
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class Module : public Py::ExtensionModule<Module>
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{
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public:
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Module() : Py::ExtensionModule<Module>("RaytracingGui")
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{
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add_varargs_method("open",&Module::open,
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"open(string) -- Create a new text document and load the file into the document."
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);
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add_varargs_method("insert",&Module::open,
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"insert(string,string) -- Create a new text document and load the file into the document."
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);
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add_varargs_method("povViewCamera",&Module::povViewCamera,
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"string povViewCamera() -- returns the povray camera definition of the active 3D view."
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);
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add_varargs_method("luxViewCamera",&Module::luxViewCamera,
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"string luxViewCamera() -- returns the luxrender camera definition of the active 3D view."
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);
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initialize("This module is the RaytracingGui module."); // register with Python
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}
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virtual ~Module() {}
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private:
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Py::Object open(const Py::Tuple& args)
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{
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// only used to open Povray files
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char* Name;
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const char* DocName;
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if (!PyArg_ParseTuple(args.ptr(), "et|s","utf-8",&Name,&DocName))
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throw Py::Exception();
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std::string EncodedName = std::string(Name);
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PyMem_Free(Name);
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try {
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QString fileName = QString::fromUtf8(EncodedName.c_str());
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QFileInfo fi;
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fi.setFile(fileName);
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QString ext = fi.completeSuffix().toLower();
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QList<Gui::EditorView*> views = Gui::getMainWindow()->findChildren<Gui::EditorView*>();
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for (QList<Gui::EditorView*>::Iterator it = views.begin(); it != views.end(); ++it) {
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if ((*it)->fileName() == fileName) {
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(*it)->setFocus();
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return Py::None();
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}
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}
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if (ext == QLatin1String("pov") || ext == QLatin1String("inc")) {
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Gui::TextEditor* editor = new Gui::TextEditor();
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editor->setSyntaxHighlighter(new PovrayHighlighter(editor));
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Gui::EditorView* edit = new Gui::EditorView(editor, Gui::getMainWindow());
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edit->open(fileName);
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edit->resize(400, 300);
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Gui::getMainWindow()->addWindow(edit);
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}
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}
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catch (const Base::Exception& e) {
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throw Py::RuntimeError(e.what());
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}
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return Py::None();
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}
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Py::Object povViewCamera(const Py::Tuple& args)
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{
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// no arguments
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if (!PyArg_ParseTuple(args.ptr(), ""))
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throw Py::Exception();
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try {
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std::string out;
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const char* ppReturn=0;
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Gui::Document* doc = Gui::Application::Instance->activeDocument();
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if (doc) {
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doc->sendMsgToFirstView(Gui::MDIView::getClassTypeId(), "GetCamera", &ppReturn);
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}
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else {
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throw Py::RuntimeError("No active document found");
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}
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if (!ppReturn) {
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throw Py::RuntimeError("Could not read camera information from active view");
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}
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SoNode* rootNode;
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SoInput in;
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in.setBuffer((void*)ppReturn,std::strlen(ppReturn));
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SoDB::read(&in,rootNode);
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if (!rootNode || !rootNode->getTypeId().isDerivedFrom(SoCamera::getClassTypeId())) {
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throw Py::RuntimeError("Could not read camera information from ASCII stream");
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}
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// root-node returned from SoDB::readAll() has initial zero
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// ref-count, so reference it before we start using it to
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// avoid premature destruction.
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SoCamera * Cam = static_cast<SoCamera*>(rootNode);
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Cam->ref();
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SbRotation camrot = Cam->orientation.getValue();
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SbVec3f upvec(0, 1, 0); // init to default up vector
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camrot.multVec(upvec, upvec);
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SbVec3f lookat(0, 0, -1); // init to default view direction vector
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camrot.multVec(lookat, lookat);
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SbVec3f pos = Cam->position.getValue();
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float Dist = Cam->focalDistance.getValue();
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Cam->unref(); // free memory
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// making gp out of the Coin stuff
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gp_Vec gpPos(pos.getValue()[0],pos.getValue()[1],pos.getValue()[2]);
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gp_Vec gpDir(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
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lookat *= Dist;
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lookat += pos;
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gp_Vec gpLookAt(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
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gp_Vec gpUp(upvec.getValue()[0],upvec.getValue()[1],upvec.getValue()[2]);
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// getting image format
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ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/Mod/Raytracing");
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int width = hGrp->GetInt("OutputWidth", 800);
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int height = hGrp->GetInt("OutputHeight", 600);
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// call the write method of PovTools....
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out = Raytracing::PovTools::getCamera(Raytracing::CamDef(gpPos,gpDir,gpLookAt,gpUp),width,height);
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return Py::String(out);
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}
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catch (const Base::Exception& e) {
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throw Py::RuntimeError(e.what());
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}
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}
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Py::Object luxViewCamera(const Py::Tuple& args)
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{
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// no arguments
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if (!PyArg_ParseTuple(args.ptr(), ""))
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throw Py::Exception();
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try {
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std::string out;
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const char* ppReturn=0;
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Gui::Document* doc = Gui::Application::Instance->activeDocument();
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if (doc) {
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doc->sendMsgToFirstView(Gui::MDIView::getClassTypeId(), "GetCamera", &ppReturn);
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}
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else {
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throw Py::RuntimeError("No active document found");
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}
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if (!ppReturn) {
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throw Py::RuntimeError("Could not read camera information from active view");
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}
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SoNode* rootNode;
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SoInput in;
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in.setBuffer((void*)ppReturn,std::strlen(ppReturn));
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SoDB::read(&in,rootNode);
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if (!rootNode || !rootNode->getTypeId().isDerivedFrom(SoCamera::getClassTypeId())) {
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throw Py::RuntimeError("Could not read camera information from ASCII stream");
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}
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// root-node returned from SoDB::readAll() has initial zero
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// ref-count, so reference it before we start using it to
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// avoid premature destruction.
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SoCamera * Cam = static_cast<SoCamera*>(rootNode);
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Cam->ref();
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SbRotation camrot = Cam->orientation.getValue();
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SbVec3f upvec(0, 1, 0); // init to default up vector
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camrot.multVec(upvec, upvec);
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SbVec3f lookat(0, 0, -1); // init to default view direction vector
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camrot.multVec(lookat, lookat);
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SbVec3f pos = Cam->position.getValue();
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float Dist = Cam->focalDistance.getValue();
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Cam->unref(); // free memory
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// making gp out of the Coin stuff
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gp_Vec gpPos(pos.getValue()[0],pos.getValue()[1],pos.getValue()[2]);
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gp_Vec gpDir(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
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lookat *= Dist;
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lookat += pos;
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gp_Vec gpLookAt(lookat.getValue()[0],lookat.getValue()[1],lookat.getValue()[2]);
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gp_Vec gpUp(upvec.getValue()[0],upvec.getValue()[1],upvec.getValue()[2]);
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// call the write method of PovTools....
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out = Raytracing::LuxTools::getCamera(Raytracing::CamDef(gpPos,gpDir,gpLookAt,gpUp));
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return Py::String(out);
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}
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catch (const Base::Exception& e) {
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throw Py::RuntimeError(e.what());
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}
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}
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};
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PyObject* initModule()
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{
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return (new Module)->module().ptr();
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}
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} // namespace RaytracingGui
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