414 lines
16 KiB
C++
414 lines
16 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 WandererFan <wandererfan@gmail.com> *
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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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#include <CXX/Extensions.hxx>
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#include <CXX/Objects.hxx>
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#include <Base/Console.h>
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#include <Base/PyObjectBase.h>
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#include <Base/Exception.h>
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#include <Base/FileInfo.h>
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#include <Base/GeometryPyCXX.h>
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#include <Base/Vector3D.h>
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#include <Base/VectorPy.h>
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#include <App/Document.h>
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#include <App/DocumentPy.h>
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#include <App/DocumentObject.h>
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#include <App/DocumentObjectPy.h>
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#include <App/Material.h>
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#include <Gui/Application.h>
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#include <Gui/Document.h>
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#include <Gui/ViewProvider.h>
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#include <Gui/PythonWrapper.h>
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#include <Mod/Part/App/OCCError.h>
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#include <Mod/TechDraw/App/DrawPage.h>
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#include <Mod/TechDraw/App/DrawView.h>
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#include <Mod/TechDraw/App/DrawUtil.h>
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#include <Mod/TechDraw/App/DrawViewPy.h> // generated from DrawViewPy.xml
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#include "MDIViewPage.h"
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#include "QGIView.h"
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#include "ViewProviderPage.h"
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#include "ViewProviderDrawingView.h"
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#include "Grabber3d.h"
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namespace TechDrawGui {
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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>("TechDrawGui")
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{
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add_varargs_method("export",&Module::exporter,
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"TechDraw hook for FC Gui exporter."
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);
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add_varargs_method("exportPageAsPdf",&Module::exportPageAsPdf,
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"exportPageAsPdf(DrawPageObject,FilePath) -- print page as Pdf to file."
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);
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add_varargs_method("exportPageAsSvg",&Module::exportPageAsSvg,
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"exportPageAsSvg(DrawPageObject,FilePath) -- print page as Svg to file."
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);
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add_varargs_method("copyActiveViewToSvgFile",&Module::copyActiveViewToSvgFile,
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"copyActiveViewToSvgFile(DrawPageObject,FilePath) -- copy ActiveView to Svg file."
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);
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add_varargs_method("addQGIToView",&Module::addQGIToView,
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"addQGIToView(View, QGraphicsItem) -- insert graphics item into view's graphic."
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);
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add_varargs_method("addQGObjToView", &Module::addQGObjToView,
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"addQGObjToView(View, QGraphicsObject) -- insert graphics object into view's graphic. Use for QGraphicsItems that have QGraphicsObject as base class."
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);
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initialize("This is a module for displaying drawings"); // 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 Standard_Failure &e) {
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std::string str;
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Standard_CString msg = e.GetMessageString();
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str += typeid(e).name();
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str += " ";
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if (msg) {str += msg;}
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else {str += "No OCCT Exception Message";}
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Base::Console().Error("%s\n", str.c_str());
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throw Py::Exception(Part::PartExceptionOCCError, str);
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}
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catch (const Base::Exception &e) {
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std::string str;
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str += "FreeCAD exception thrown (";
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str += e.what();
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str += ")";
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e.ReportException();
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throw Py::RuntimeError(str);
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}
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catch (const std::exception &e) {
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std::string str;
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str += "C++ exception thrown (";
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str += e.what();
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str += ")";
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Base::Console().Error("%s\n", str.c_str());
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throw Py::RuntimeError(str);
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}
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return Py::None(); //only here to prevent warning re no return value
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}
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//! hook for FC Gui export function
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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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TechDraw::DrawPage* page = nullptr;
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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(TechDraw::DrawPage::getClassTypeId())) {
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page = static_cast<TechDraw::DrawPage*>(obj);
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Gui::Document* activeGui = Gui::Application::Instance->getDocument(page->getDocument());
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Gui::ViewProvider* vp = activeGui->getViewProvider(obj);
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ViewProviderPage* dvp = dynamic_cast<ViewProviderPage*>(vp);
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if ( !(dvp && dvp->getMDIViewPage()) ) {
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throw Py::TypeError("TechDraw can not find Page");
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}
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Base::FileInfo fi_out(EncodedName.c_str());
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if (fi_out.hasExtension("svg")) {
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dvp->getMDIViewPage()->saveSVG(EncodedName);
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} else if (fi_out.hasExtension("dxf")) {
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dvp->getMDIViewPage()->saveDXF(EncodedName);
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} else if (fi_out.hasExtension("pdf")) {
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dvp->getMDIViewPage()->savePDF(EncodedName);
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} else {
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throw Py::TypeError("TechDraw can not export this file format");
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}
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}
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else {
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throw Py::TypeError("No Technical Drawing Page found in selection.");
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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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//!exportPageAsPdf(PageObject,FullPath)
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Py::Object exportPageAsPdf(const Py::Tuple& args)
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{
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PyObject *pageObj;
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char* name;
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if (!PyArg_ParseTuple(args.ptr(), "Oet", &pageObj, "utf-8",&name)) {
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throw Py::TypeError("expected (Page,path");
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}
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std::string filePath = std::string(name);
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PyMem_Free(name);
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try {
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App::DocumentObject* obj = nullptr;
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Gui::ViewProvider* vp = nullptr;
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MDIViewPage* mdi = nullptr;
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if (PyObject_TypeCheck(pageObj, &(App::DocumentObjectPy::Type))) {
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obj = static_cast<App::DocumentObjectPy*>(pageObj)->getDocumentObjectPtr();
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vp = Gui::Application::Instance->getViewProvider(obj);
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if (vp) {
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TechDrawGui::ViewProviderPage* vpp = dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
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if (vpp) {
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mdi = vpp->getMDIViewPage();
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if (mdi) {
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mdi->printPdf(filePath);
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} else {
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vpp->showMDIViewPage();
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mdi = vpp->getMDIViewPage();
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if (mdi) {
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mdi->printPdf(filePath);
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} else {
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throw Py::TypeError("Page not available! Is it Hidden?");
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}
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}
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}
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}
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}
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}
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catch (Base::Exception &e) {
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e.setPyException();
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throw Py::Exception();
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}
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return Py::None();
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}
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//!exportPageAsSvg(PageObject,FullPath)
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Py::Object exportPageAsSvg(const Py::Tuple& args)
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{
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PyObject *pageObj;
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char* name;
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if (!PyArg_ParseTuple(args.ptr(), "Oet", &pageObj, "utf-8",&name)) {
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throw Py::TypeError("expected (Page,path");
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}
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std::string filePath = std::string(name);
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PyMem_Free(name);
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try {
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App::DocumentObject* obj = nullptr;
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Gui::ViewProvider* vp = nullptr;
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MDIViewPage* mdi = nullptr;
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if (PyObject_TypeCheck(pageObj, &(App::DocumentObjectPy::Type))) {
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obj = static_cast<App::DocumentObjectPy*>(pageObj)->getDocumentObjectPtr();
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vp = Gui::Application::Instance->getViewProvider(obj);
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if (vp) {
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TechDrawGui::ViewProviderPage* vpp = dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
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if (vpp) {
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mdi = vpp->getMDIViewPage();
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if (mdi) {
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mdi->saveSVG(filePath);
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} else {
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vpp->showMDIViewPage();
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mdi = vpp->getMDIViewPage();
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if (mdi) {
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mdi->saveSVG(filePath);
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} else {
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throw Py::TypeError("Page not available! Is it Hidden?");
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}
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}
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}
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}
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}
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}
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catch (Base::Exception &e) {
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e.setPyException();
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throw Py::Exception();
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}
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return Py::None();
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}
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//!copyActiveViewToSvgFile(document, fileSpec)
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Py::Object copyActiveViewToSvgFile(const Py::Tuple& args)
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{
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double result = 1.0;
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PyObject *docObj = nullptr;
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PyObject *colorObj = nullptr;
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PyObject *paintObj = Py_True;
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char* name;
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App::Document* appDoc = nullptr;
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std::string fileSpec;
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double outWidth = 138.5; //TODO: change to A4 for release
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double outHeight = 95.0; //ISO A5 defaults
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bool paintBackground = true;
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QColor bgColor = QColor(Qt::white);
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double lineWidth = 1.0; //1 mm
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double border = 0.0; //no border
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int mode = 0; //SoRenderManager::RenderMode(0) - AS_IS
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if (!PyArg_ParseTuple(args.ptr(), "Oet|ddOOddi",
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&docObj, "utf-8",&name,
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&outWidth, &outHeight,
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&paintObj, &colorObj,
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&lineWidth, &border,
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&mode)) {
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throw Py::TypeError("expected (doc, file|,options)");
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}
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fileSpec = std::string(name);
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PyMem_Free(name);
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if (paintObj == Py_True) {
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paintBackground = true;
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} else {
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paintBackground = false;
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}
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try {
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if (PyObject_TypeCheck(docObj, &(App::DocumentPy::Type))) {
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appDoc = static_cast<App::DocumentPy*>(docObj)->getDocumentPtr();
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if (colorObj && PyTuple_Check(colorObj)) {
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App::Color c = TechDraw::DrawUtil::pyTupleToColor(colorObj);
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bgColor = c.asValue<QColor>();
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}
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result =
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Grabber3d::copyActiveViewToSvgFile(appDoc, fileSpec,
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outWidth, outHeight,
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paintBackground, bgColor,
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lineWidth, border,
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mode); //TODO: add svg scale factor?
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}
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}
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catch (Base::Exception &e) {
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e.setPyException();
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throw Py::Exception();
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}
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PyObject* pyResult = nullptr;
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pyResult = PyFloat_FromDouble(result);
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return Py::asObject(pyResult);
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}
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Py::Object addQGIToView(const Py::Tuple& args)
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{
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PyObject *viewPy = nullptr;
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PyObject *qgiPy = nullptr;
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if (!PyArg_ParseTuple(args.ptr(), "O!O", &(TechDraw::DrawViewPy::Type), &viewPy, &qgiPy)) {
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throw Py::TypeError("expected (view, item)");
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}
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try {
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App::DocumentObject* obj = nullptr;
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Gui::ViewProvider* vp = nullptr;
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QGIView* qgiv = nullptr;
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obj = static_cast<App::DocumentObjectPy*>(viewPy)->getDocumentObjectPtr();
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vp = Gui::Application::Instance->getViewProvider(obj);
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if (vp) {
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TechDrawGui::ViewProviderDrawingView* vpdv =
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dynamic_cast<TechDrawGui::ViewProviderDrawingView*>(vp);
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if (vpdv) {
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qgiv = vpdv->getQView();
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if (qgiv) {
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Gui::PythonWrapper wrap;
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if (!wrap.loadGuiModule()) {
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throw Py::RuntimeError("Failed to load Python wrapper for Qt::Gui");
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}
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QGraphicsItem* item = wrap.toQGraphicsItem(qgiPy);
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if (item) {
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qgiv->addArbitraryItem(item);
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}
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}
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}
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}
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}
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catch (Base::Exception &e) {
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e.setPyException();
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throw Py::Exception();
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}
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return Py::None();
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}
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//!use addQGObjToView for QGraphics items like QGraphicsSvgItem or QGraphicsTextItem that are
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//! derived from QGraphicsObject
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Py::Object addQGObjToView(const Py::Tuple& args)
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{
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PyObject *viewPy = nullptr;
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PyObject *qgiPy = nullptr;
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if (!PyArg_ParseTuple(args.ptr(), "O!O", &(TechDraw::DrawViewPy::Type), &viewPy, &qgiPy)) {
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throw Py::TypeError("expected (view, item)");
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}
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try {
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App::DocumentObject* obj = nullptr;
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Gui::ViewProvider* vp = nullptr;
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QGIView* qgiv = nullptr;
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obj = static_cast<App::DocumentObjectPy*>(viewPy)->getDocumentObjectPtr();
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vp = Gui::Application::Instance->getViewProvider(obj);
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if (vp) {
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TechDrawGui::ViewProviderDrawingView* vpdv =
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dynamic_cast<TechDrawGui::ViewProviderDrawingView*>(vp);
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if (vpdv) {
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qgiv = vpdv->getQView();
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if (qgiv) {
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Gui::PythonWrapper wrap;
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if (!wrap.loadGuiModule()) {
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throw Py::RuntimeError("Failed to load Python wrapper for Qt::Gui");
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}
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QGraphicsObject* item = wrap.toQGraphicsObject(qgiPy);
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if (item) {
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qgiv->addArbitraryItem(item);
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}
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}
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}
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}
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}
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catch (Base::Exception &e) {
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e.setPyException();
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throw Py::Exception();
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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 Base::Interpreter().addModule(new Module);
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}
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} // namespace TechDrawGui
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