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Add viewPartAsSvg in App

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This commit is contained in:
WandererFan
2017-06-20 19:44:05 -04:00
committed by wmayer
parent cd79ae2d5e
commit 04eaca7e20
1 changed files with 80 additions and 3 deletions
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83
src/Mod/TechDraw/App/AppTechDrawPy.cpp
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@@ -68,8 +68,6 @@ using Part::TopoShapePy;
using Part::TopoShapeEdgePy;
using Part::TopoShapeWirePy;
using Drawing::DXFOutput;
namespace TechDraw {
class Module : public Py::ExtensionModule<Module>
@@ -89,6 +87,9 @@ public:
add_varargs_method("viewPartAsDxf",&Module::viewPartAsDxf,
"string = viewPartAsDxf(DrawViewPart) -- Return the edges of a DrawViewPart in Dxf format."
);
add_varargs_method("viewPartAsSvg",&Module::viewPartAsSvg,
"string = viewPartAsSvg(DrawViewPart) -- Return the edges of a DrawViewPart in Svg format."
);
initialize("This is a module for making drawings"); // register with Python
}
virtual ~Module() {}
@@ -347,7 +348,7 @@ private:
ss << dxfOut.exportEdges(s);
}
// ss now contains all edges as Dxf
dxfReturn = Py::String(ss.str() + "\n0");
dxfReturn = Py::String(ss.str());
}
}
catch (Base::Exception &e) {
@@ -357,6 +358,82 @@ private:
return dxfReturn;
}
Py::Object viewPartAsSvg(const Py::Tuple& args)
{
PyObject *viewObj;
if (!PyArg_ParseTuple(args.ptr(), "O", &viewObj)) {
throw Py::Exception("expected (DrawViewPart)");
}
Py::String svgReturn;
std::string grpHead1 = "<g fill=\"none\" stroke=\"#000000\" stroke-opacity=\"1\" stroke-width=\"";
std::string grpHead2 = "\" stroke-linecap=\"butt\" stroke-linejoin=\"miter\" stroke-miterlimit=\"4\">\n";
std::string grpTail = "</g>\n";
try {
App::DocumentObject* obj = 0;
TechDraw::DrawViewPart* dvp = 0;
Drawing::SVGOutput svgOut;
std::string svgText;
std::stringstream ss;
if (PyObject_TypeCheck(viewObj, &(TechDraw::DrawViewPartPy::Type))) {
obj = static_cast<App::DocumentObjectPy*>(viewObj)->getDocumentObjectPtr();
dvp = static_cast<TechDraw::DrawViewPart*>(obj);
TechDrawGeometry::GeometryObject* go = dvp->getGeometryObject();
//visibile group begin "<g ... >"
ss << grpHead1;
double thick = dvp->LineWidth.getValue();
ss << thick;
ss << grpHead2;
TopoDS_Shape s = go->getVisHard();
ss << svgOut.exportEdges(s);
s = (go->getVisOutline());
ss << svgOut.exportEdges(s);
if (dvp->SmoothVisible.getValue()) {
s = go->getVisSmooth();
ss << svgOut.exportEdges(s);
}
if (dvp->SeamVisible.getValue()) {
s = go->getVisSeam();
ss << svgOut.exportEdges(s);
}
//visible group end "</g>"
ss << grpTail;
if ( dvp->HardHidden.getValue() ||
dvp->SmoothHidden.getValue() ||
dvp->SeamHidden.getValue() ) {
//hidden group begin
ss << grpHead1;
thick = dvp->HiddenWidth.getValue();
ss << thick;
ss << grpHead2;
if (dvp->HardHidden.getValue()) {
s = go->getHidHard();
ss << svgOut.exportEdges(s);
s = go->getHidOutline();
ss << svgOut.exportEdges(s);
}
if (dvp->SmoothHidden.getValue()) {
s = go->getHidSmooth();
ss << svgOut.exportEdges(s);
}
if (dvp->SeamHidden.getValue()) {
s = go->getHidSeam();
ss << svgOut.exportEdges(s);
}
ss << grpTail;
//hidden group end
}
// ss now contains all edges as Svg
svgReturn = Py::String(ss.str());
}
}
catch (Base::Exception &e) {
throw Py::Exception(Base::BaseExceptionFreeCADError, e.what());
}
return svgReturn;
}
};
PyObject* initModule()