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* Copyright (c) 2016 WandererFan <wandererfan@gmail.com> *
* *
* 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 <App/Document.h>
#include <App/DocumentObject.h>
#include <App/DocumentObjectPy.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/FileInfo.h>
#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/ViewProvider.h>
#include <Gui/PythonWrapper.h>
#include <Mod/Part/App/OCCError.h>
#include <Mod/TechDraw/App/DrawPage.h>
#include <Mod/TechDraw/App/DrawPagePy.h>
#include <Mod/TechDraw/App/DrawViewPy.h> // generated from DrawViewPy.xml
#include "QGIView.h"
#include "QGSPage.h"
#include "ViewProviderPage.h"
#include "ViewProviderDrawingView.h"
#include "PagePrinter.h"
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."
);
add_varargs_method("addQGIToView", &Module::addQGIToView,
"addQGIToView(View, QGraphicsItem) -- insert graphics item into view's graphic."
);
add_varargs_method("addQGObjToView", &Module::addQGObjToView,
"addQGObjToView(View, QGraphicsObject) -- insert graphics object into view's graphic. Use for QGraphicsItems that have QGraphicsObject as base class."
);
add_varargs_method("addQGIToScene", &Module::addQGIToScene,
"addQGIToScene(Page, QGraphicsItem) -- insert graphics item into Page's scene."
);
add_varargs_method("addQGObjToScene", &Module::addQGObjToScene,
"addQGObjToScene(Page, QGraphicsObject) -- insert graphics object into Page's scene. Use for QGraphicsItems that have QGraphicsObject as base class."
);
add_varargs_method("getSceneForPage", &Module::getSceneForPage,
"QGSPage = getSceneForPage(page) -- get the scene for a DrawPage."
);
initialize("This is a module for displaying drawings"); // register with Python
}
~Module() override {}
private:
Py::Object invoke_method_varargs(void *method_def, const Py::Tuple &args) override
{
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);
}
return Py::None(); //only here to prevent warning re no return value
}
//! 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->isDerivedFrom<TechDraw::DrawPage>()) {
page = static_cast<TechDraw::DrawPage*>(obj);
Gui::Document* activeGui =
Gui::Application::Instance->getDocument(page->getDocument());
Gui::ViewProvider* vp = activeGui->getViewProvider(obj);
ViewProviderPage* vpPage = freecad_cast<ViewProviderPage*>(vp);
if (!vpPage) {
throw Py::TypeError("TechDraw can not find Page");
}
Base::FileInfo fi_out(EncodedName.c_str());
if (fi_out.hasExtension("svg")) {
PagePrinter::saveSVG(vpPage, EncodedName);
}
else if (fi_out.hasExtension("dxf")) {
PagePrinter::saveDXF(vpPage, EncodedName);
}
else if (fi_out.hasExtension("pdf")) {
PagePrinter::savePDF(vpPage, EncodedName);
}
else {
throw Py::TypeError("TechDraw can not export this file format");
}
}
else {
throw Py::TypeError("No Technical Drawing Page found in selection.");
}
}
}
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 = nullptr;
Gui::ViewProvider* vp = nullptr;
if (PyObject_TypeCheck(pageObj, &(App::DocumentObjectPy::Type))) {
obj = static_cast<App::DocumentObjectPy*>(pageObj)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderPage* vpPage =
dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (vpPage) {
PagePrinter::savePDF(vpPage, filePath);
}
else {
throw Py::TypeError("Page not available! Is it Hidden?");
}
}
}
}
catch (Base::Exception &e) {
e.setPyException();
throw Py::Exception();
}
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 = nullptr;
Gui::ViewProvider* vp = nullptr;
if (PyObject_TypeCheck(pageObj, &(App::DocumentObjectPy::Type))) {
obj = static_cast<App::DocumentObjectPy*>(pageObj)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderPage* vpPage =
dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (vpPage) {
PagePrinter::saveSVG(vpPage, filePath);
}
else {
throw Py::TypeError("Page not available! Is it Hidden?");
}
}
}
}
catch (Base::Exception &e) {
e.setPyException();
throw Py::Exception();
}
return Py::None();
}
Py::Object addQGIToView(const Py::Tuple& args)
{
PyObject *viewPy = nullptr;
PyObject *qgiPy = nullptr;
if (!PyArg_ParseTuple(args.ptr(), "O!O", &(TechDraw::DrawViewPy::Type), &viewPy, &qgiPy)) {
throw Py::TypeError("expected (view, item)");
}
try {
App::DocumentObject* obj = nullptr;
Gui::ViewProvider* vp = nullptr;
QGIView* qgiv = nullptr;
obj = static_cast<App::DocumentObjectPy*>(viewPy)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderDrawingView* vpdv =
dynamic_cast<TechDrawGui::ViewProviderDrawingView*>(vp);
if (vpdv) {
qgiv = vpdv->getQView();
if (qgiv) {
Gui::PythonWrapper wrap;
if (!wrap.loadGuiModule()) {
throw Py::RuntimeError("Failed to load Python wrapper for Qt::Gui");
}
QGraphicsItem* item = wrap.toQGraphicsItem(args[1]);
if (item) {
qgiv->addArbitraryItem(item);
}
}
}
}
}
catch (Base::Exception &e) {
e.setPyException();
throw Py::Exception();
}
return Py::None();
}
Py::Object addQGObjToView(const Py::Tuple& args)
{
PyObject *viewPy = nullptr;
PyObject *qgiPy = nullptr;
if (!PyArg_ParseTuple(args.ptr(), "O!O", &(TechDraw::DrawViewPy::Type), &viewPy, &qgiPy)) {
throw Py::TypeError("expected (view, item)");
}
try {
App::DocumentObject* obj = nullptr;
Gui::ViewProvider* vp = nullptr;
QGIView* qgiv = nullptr;
obj = static_cast<App::DocumentObjectPy*>(viewPy)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderDrawingView* vpdv =
dynamic_cast<TechDrawGui::ViewProviderDrawingView*>(vp);
if (vpdv) {
qgiv = vpdv->getQView();
if (qgiv) {
Gui::PythonWrapper wrap;
if (!wrap.loadGuiModule()) {
throw Py::RuntimeError("Failed to load Python wrapper for Qt::Gui");
}
QGraphicsObject* item = wrap.toQGraphicsObject(args[1]);
if (item) {
qgiv->addArbitraryItem(item);
}
}
}
}
}
catch (Base::Exception &e) {
e.setPyException();
throw Py::Exception();
}
return Py::None();
}
//adds a free graphics item to a Page's scene
Py::Object addQGIToScene(const Py::Tuple& args)
{
PyObject *pagePy = nullptr;
PyObject *qgiPy = nullptr;
if (!PyArg_ParseTuple(args.ptr(), "O!O", &(TechDraw::DrawPagePy::Type), &pagePy, &qgiPy)) {
throw Py::TypeError("expected (view, item)");
}
try {
App::DocumentObject* obj = nullptr;
Gui::ViewProvider* vp = nullptr;
QGSPage* qgsp = nullptr;
obj = static_cast<App::DocumentObjectPy*>(pagePy)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderPage* vpp =
dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (vpp) {
qgsp = vpp->getQGSPage();
if (qgsp) {
Gui::PythonWrapper wrap;
if (!wrap.loadGuiModule()) {
throw Py::RuntimeError("Failed to load Python wrapper for Qt::Gui");
}
QGraphicsItem* item = wrap.toQGraphicsItem(args[1]);
if (item) {
qgsp->addItem(item);
}
}
}
}
}
catch (Base::Exception &e) {
e.setPyException();
throw Py::Exception();
}
return Py::None();
}
//adds a free graphics object to a Page's scene
//!use addQGObjToScene for QGraphics items like QGraphicsSvgItem or QGraphicsTextItem that are
//! derived from QGraphicsObject
Py::Object addQGObjToScene(const Py::Tuple& args)
{
PyObject *pagePy = nullptr;
PyObject *qgiPy = nullptr;
if (!PyArg_ParseTuple(args.ptr(), "O!O", &(TechDraw::DrawPagePy::Type), &pagePy, &qgiPy)) {
throw Py::TypeError("expected (view, item)");
}
try {
App::DocumentObject* obj = nullptr;
Gui::ViewProvider* vp = nullptr;
QGSPage* qgsp = nullptr;
obj = static_cast<App::DocumentObjectPy*>(pagePy)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderPage* vpp =
dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (vpp) {
qgsp = vpp->getQGSPage();
if (qgsp) {
Gui::PythonWrapper wrap;
if (!wrap.loadGuiModule()) {
throw Py::RuntimeError("Failed to load Python wrapper for Qt::Gui");
}
QGraphicsObject* item = wrap.toQGraphicsObject(args[1]);
if (item) {
qgsp->addItem(item);
}
}
}
}
}
catch (Base::Exception &e) {
e.setPyException();
throw Py::Exception();
}
return Py::None();
}
Py::Object getSceneForPage(const Py::Tuple& args)
{
PyObject *pagePy = nullptr;
if (!PyArg_ParseTuple(args.ptr(), "O!", &(TechDraw::DrawPagePy::Type), &pagePy)) {
throw Py::TypeError("expected (page)");
}
try {
App::DocumentObject* obj = nullptr;
Gui::ViewProvider* vp = nullptr;
QGSPage* qgsp = nullptr;
obj = static_cast<App::DocumentObjectPy*>(pagePy)->getDocumentObjectPtr();
vp = Gui::Application::Instance->getViewProvider(obj);
if (vp) {
TechDrawGui::ViewProviderPage* vpp =
dynamic_cast<TechDrawGui::ViewProviderPage*>(vp);
if (vpp) {
qgsp = vpp->getQGSPage();
if (qgsp) {
Gui::PythonWrapper wrap;
if (!wrap.loadGuiModule()) {
throw Py::RuntimeError("Failed to load Python wrapper for Qt::Gui");
}
return wrap.fromQObject(qgsp, "TechDrawGui::QGSPage");
}
}
}
}
catch (Base::Exception &e) {
e.setPyException();
throw Py::Exception();
}
return Py::None();
}
};
PyObject* initModule()
{
return Base::Interpreter().addModule(new Module);
}
} // namespace TechDrawGui
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