224 lines
10 KiB
C++
224 lines
10 KiB
C++
/***************************************************************************
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* Copyright (c) 2006 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 <QFileInfo>
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# include <QIcon>
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# include <QImage>
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# include <sstream>
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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 "DrawingView.h"
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#include <Mod/Drawing/App/FeaturePage.h>
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#include <Mod/Drawing/App/FeatureViewPart.h>
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#include <Mod/Drawing/App/ProjectionAlgos.h>
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#include <Mod/Part/App/PartFeature.h>
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <Base/FileInfo.h>
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#include <Base/Stream.h>
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#include <App/Application.h>
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#include <App/DocumentObjectPy.h>
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#include <Gui/MainWindow.h>
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#include <Gui/BitmapFactory.h>
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namespace DrawingGui {
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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>("DrawingGui")
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{
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add_varargs_method("open",&Module::open
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);
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add_varargs_method("insert",&Module::importer
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);
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add_varargs_method("export",&Module::exporter
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);
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initialize("This module is the DrawingGui module."); // register with Python
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}
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virtual ~Module() {}
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private:
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virtual Py::Object invoke_method_varargs(void *method_def, const Py::Tuple &args)
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{
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try {
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return Py::ExtensionModule<Module>::invoke_method_varargs(method_def, args);
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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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catch (const std::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 open(const Py::Tuple& args)
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{
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char* Name;
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if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
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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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Base::FileInfo file(EncodedName.c_str());
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if (file.hasExtension("svg") || file.hasExtension("svgz")) {
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QString fileName = QString::fromUtf8(EncodedName.c_str());
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// Displaying the image in a view
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DrawingView* view = new DrawingView(0, Gui::getMainWindow());
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view->load(fileName);
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view->setWindowIcon(Gui::BitmapFactory().pixmap("actions/drawing-landscape"));
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QFileInfo fi(fileName);
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view->setWindowTitle(fi.fileName());
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view->resize( 400, 300 );
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Gui::getMainWindow()->addWindow(view);
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}
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else {
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throw Py::Exception(Base::BaseExceptionFreeCADError, "unknown filetype");
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}
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return Py::None();
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}
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Py::Object importer(const Py::Tuple& args)
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{
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char* Name;
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const char* dummy;
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if (!PyArg_ParseTuple(args.ptr(), "et|s","utf-8",&Name,&dummy))
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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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Base::FileInfo file(EncodedName.c_str());
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if (file.hasExtension("svg") || file.hasExtension("svgz")) {
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QString fileName = QString::fromUtf8(EncodedName.c_str());
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// Displaying the image in a view
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DrawingView* view = new DrawingView(0, Gui::getMainWindow());
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view->load(fileName);
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view->setWindowIcon(Gui::BitmapFactory().pixmap("actions/drawing-landscape"));
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QFileInfo fi(fileName);
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view->setWindowTitle(fi.fileName());
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view->resize( 400, 300 );
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Gui::getMainWindow()->addWindow(view);
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} else {
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throw Py::Exception(Base::BaseExceptionFreeCADError, "unknown filetype");
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}
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return Py::None();
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}
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Py::Object exporter(const Py::Tuple& args)
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{
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PyObject* object;
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char* Name;
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if (!PyArg_ParseTuple(args.ptr(), "Oet",&object,"utf-8",&Name))
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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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Py::Sequence list(object);
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for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
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PyObject* item = (*it).ptr();
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if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
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App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();
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if (obj->getTypeId().isDerivedFrom(Drawing::FeaturePage::getClassTypeId())) {
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Base::FileInfo fi_out(EncodedName.c_str());
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Base::ofstream str_out(fi_out, std::ios::out | std::ios::binary);
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if (!str_out) {
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std::stringstream str;
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str << "Cannot open file '" << EncodedName << "' for writing";
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throw Py::Exception(PyExc_IOError, str.str().c_str());
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}
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if (fi_out.hasExtension("svg")) {
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std::string fn = static_cast<Drawing::FeaturePage*>(obj)->PageResult.getValue();
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Base::FileInfo fi_in(fn);
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Base::ifstream str_in(fi_in, std::ios::in | std::ios::binary);
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if (!str_in) {
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std::stringstream str;
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str << "Cannot open file '" << fn << "' for reading";
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throw Py::Exception(PyExc_IOError, str.str().c_str());
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}
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str_in >> str_out.rdbuf();
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str_in.close();
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str_out.close();
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break;
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}
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else if (fi_out.hasExtension("dxf")) {
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const std::vector<App::DocumentObject*>& views = static_cast<Drawing::FeaturePage*>(obj)->Group.getValues();
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for (std::vector<App::DocumentObject*>::const_iterator it = views.begin(); it != views.end(); ++it) {
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if ((*it)->getTypeId().isDerivedFrom(Drawing::FeatureViewPart::getClassTypeId())) {
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Drawing::FeatureViewPart* view = static_cast<Drawing::FeatureViewPart*>(*it);
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std::string viewName = view->Label.getValue();
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App::DocumentObject* link = view->Source.getValue();
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if (!link) {
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throw Py::Exception(Base::BaseExceptionFreeCADError, "No object linked");
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}
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if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
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throw Py::TypeError("Linked object is not a Part object");
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}
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TopoDS_Shape shape = static_cast<Part::Feature*>(link)->Shape.getShape().getShape();
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if (!shape.IsNull()) {
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Base::Vector3d dir = view->Direction.getValue();
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bool hidden = view->ShowHiddenLines.getValue();
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bool smooth = view->ShowSmoothLines.getValue();
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Drawing::ProjectionAlgos::ExtractionType type = Drawing::ProjectionAlgos::Plain;
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if (hidden) type = (Drawing::ProjectionAlgos::ExtractionType)(type|Drawing::ProjectionAlgos::WithHidden);
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if (smooth) type = (Drawing::ProjectionAlgos::ExtractionType)(type|Drawing::ProjectionAlgos::WithSmooth);
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float scale = view->Scale.getValue();
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float tol = view->Tolerance.getValue();
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Drawing::ProjectionAlgos project(shape, dir);
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str_out << project.getDXF(type, scale, tol);
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break; // TODO: How to add several shapes?
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}
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}
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}
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str_out.close();
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break;
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}
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else {
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throw Py::TypeError("Export of page object as this file format is not supported by Drawing module");
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}
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}
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else {
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throw Py::TypeError("Export of this object type is not supported by Drawing module");
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}
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}
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}
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return Py::None();
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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 DrawingGui
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