Files
create/src/Mod/TechDraw/Gui/AppTechDrawGuiPy.cpp
wandererfan b50b8e7661 Fix #3800 Connect TD export to FC Gui Export
- TD did not define export types for the general Export
  command in Gui.
2019-02-14 21:14:11 +01:00

249 lines
9.2 KiB
C++

/***************************************************************************
* Copyright (c) WandererFan (wandererfan@gmail.com) 2016 *
* *
* 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 <Python.h>
#endif
#include <CXX/Extensions.hxx>
#include <CXX/Objects.hxx>
#include <Base/Console.h>
#include <Base/PyObjectBase.h>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Base/GeometryPyCXX.h>
#include <Base/Vector3D.h>
#include <Base/VectorPy.h>
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/DocumentObjectPy.h>
#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/ViewProvider.h>
#include <Mod/Part/App/OCCError.h>
#include <Mod/TechDraw/App/DrawPage.h>
#include "MDIViewPage.h"
#include "ViewProviderPage.h"
namespace TechDrawGui {
//module level static C++ functions go here
}
namespace TechDrawGui {
class Module : public Py::ExtensionModule<Module>
{
public:
Module() : Py::ExtensionModule<Module>("TechDrawGui")
{
add_varargs_method("export",&Module::exporter,
"TechDraw hook for FC Gui exporter."
);
add_varargs_method("exportPageAsPdf",&Module::exportPageAsPdf,
"exportPageAsPdf(DrawPageObject,FilePath) -- print page as Pdf to file."
);
add_varargs_method("exportPageAsSvg",&Module::exportPageAsSvg,
"exportPageAsSvg(DrawPageObject,FilePath) -- print page as Svg to file."
);
initialize("This is a module for displaying drawings"); // register with Python
}
virtual ~Module() {}
private:
virtual Py::Object invoke_method_varargs(void *method_def, const Py::Tuple &args)
{
try {
return Py::ExtensionModule<Module>::invoke_method_varargs(method_def, args);
}
catch (const Standard_Failure &e) {
std::string str;
Standard_CString msg = e.GetMessageString();
str += typeid(e).name();
str += " ";
if (msg) {str += msg;}
else {str += "No OCCT Exception Message";}
Base::Console().Error("%s\n", str.c_str());
throw Py::Exception(Part::PartExceptionOCCError, str);
}
catch (const Base::Exception &e) {
std::string str;
str += "FreeCAD exception thrown (";
str += e.what();
str += ")";
e.ReportException();
throw Py::RuntimeError(str);
}
catch (const std::exception &e) {
std::string str;
str += "C++ exception thrown (";
str += e.what();
str += ")";
Base::Console().Error("%s\n", str.c_str());
throw Py::RuntimeError(str);
}
}
//! hook for FC Gui export function
Py::Object exporter(const Py::Tuple& args)
{
PyObject* object;
char* Name;
if (!PyArg_ParseTuple(args.ptr(), "Oet",&object,"utf-8",&Name))
throw Py::Exception();
std::string EncodedName = std::string(Name);
PyMem_Free(Name);
TechDraw::DrawPage* page = nullptr;
Py::Sequence list(object);
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
PyObject* item = (*it).ptr();
if (PyObject_TypeCheck(item, &(App::DocumentObjectPy::Type))) {
App::DocumentObject* obj = static_cast<App::DocumentObjectPy*>(item)->getDocumentObjectPtr();
if (obj->getTypeId().isDerivedFrom(TechDraw::DrawPage::getClassTypeId())) {
page = static_cast<TechDraw::DrawPage*>(obj);
Gui::Document* activeGui = Gui::Application::Instance->getDocument(page->getDocument());
Gui::ViewProvider* vp = activeGui->getViewProvider(obj);
ViewProviderPage* dvp = dynamic_cast<ViewProviderPage*>(vp);
if ( !(dvp && dvp->getMDIViewPage()) ) {
throw Py::TypeError("TechDraw can not find Page");
}
Base::FileInfo fi_out(EncodedName.c_str());
if (fi_out.hasExtension("svg")) {
dvp->getMDIViewPage()->saveSVG(EncodedName);
} else if (fi_out.hasExtension("dxf")) {
dvp->getMDIViewPage()->saveDXF(EncodedName);
} else if (fi_out.hasExtension("pdf")) {
dvp->getMDIViewPage()->savePDF(EncodedName);
} else {
throw Py::TypeError("TechDraw can not export this file format");
}
}
else {
throw Py::TypeError("Export of this object type is not supported by TechDraw module");
}
}
}
return Py::None();
}
//!exportPageAsPdf(PageObject,FullPath)
Py::Object exportPageAsPdf(const Py::Tuple& args)
{
PyObject *pageObj;
char* name;
if (!PyArg_ParseTuple(args.ptr(), "Oet", &pageObj, "utf-8",&name)) {
throw Py::TypeError("expected (Page,path");
}
std::string filePath = std::string(name);
PyMem_Free(name);
try {
App::DocumentObject* obj = 0;
Gui::ViewProvider* vp = 0;
MDIViewPage* mdi = 0;
if (PyObject_TypeCheck(pageObj, &(App::DocumentObjectPy::Type))) {
obj = static_cast<App::DocumentObjectPy*>(pageObj)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderPage* vpp = dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (vpp) {
mdi = vpp->getMDIViewPage();
if (mdi) {
mdi->printPdf(filePath);
} else {
vpp->showMDIViewPage();
mdi = vpp->getMDIViewPage();
mdi->printPdf(filePath);
}
}
}
}
}
catch (Base::Exception &e) {
throw Py::Exception(Base::BaseExceptionFreeCADError, e.what());
}
return Py::None();
}
//!exportPageAsSvg(PageObject,FullPath)
Py::Object exportPageAsSvg(const Py::Tuple& args)
{
PyObject *pageObj;
char* name;
if (!PyArg_ParseTuple(args.ptr(), "Oet", &pageObj, "utf-8",&name)) {
throw Py::TypeError("expected (Page,path");
}
std::string filePath = std::string(name);
PyMem_Free(name);
try {
App::DocumentObject* obj = 0;
Gui::ViewProvider* vp = 0;
MDIViewPage* mdi = 0;
if (PyObject_TypeCheck(pageObj, &(App::DocumentObjectPy::Type))) {
obj = static_cast<App::DocumentObjectPy*>(pageObj)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderPage* vpp = dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (vpp) {
mdi = vpp->getMDIViewPage();
if (mdi) {
mdi->saveSVG(filePath);
} else {
vpp->showMDIViewPage();
mdi = vpp->getMDIViewPage();
mdi->saveSVG(filePath);
}
}
}
}
}
catch (Base::Exception &e) {
throw Py::Exception(Base::BaseExceptionFreeCADError, e.what());
}
return Py::None();
}
};
PyObject* initModule()
{
return (new Module)->module().ptr();
}
} // namespace TechDrawGui