lpe-skeleton.cpp revision 90ca668445297a52c17613f209aad2206da8cdb6
#define INKSCAPE_LPE_SKELETON_CPP
/** \file
* LPE <skeleton> implementation, used as an example for a base starting class
* when implementing new LivePathEffects.
*
* In vi, three global search-and-replaces will let you rename everything
* in this and the .h file:
*
* :%s/SKELETON/YOURNAME/g
* :%s/Skeleton/Yourname/g
* :%s/skeleton/yourname/g
*/
/*
* Authors:
* Johan Engelen
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "live_effects/lpe-skeleton.h"
// You might need to include other 2geom files. You can add them here:
#include <2geom/path.h>
namespace Inkscape {
namespace LivePathEffect {
LPESkeleton::LPESkeleton(LivePathEffectObject *lpeobject) :
Effect(lpeobject),
// initialise your parameters here:
number(_("Float parameter"), _("just a real number like 1.4!"), "svgname", &wr, this, 1.2)
{
/* uncomment the following line to have the original path displayed while the item is selected */
//show_orig_path = true;
/* register all your parameters here, so Inkscape knows which parameters this effect has: */
registerParameter( dynamic_cast<Parameter *>(&number) );
/* register all your knotholder handles here: */
//registerKnotHolderHandle(new Skeleton::KnotHolderEntityAttachMyHandle(), _("help message"));
}
LPESkeleton::~LPESkeleton()
{
}
/* ########################
* Choose to implement one of the doEffect functions. You can delete or comment out the others.
*/
/*
void
LPESkeleton::doEffect (SPCurve * curve)
{
// spice this up to make the effect actually *do* something!
}
std::vector<Geom::Path>
LPESkeleton::doEffect_path (std::vector<Geom::Path> const & path_in)
{
std::vector<Geom::Path> path_out;
path_out = path_in; // spice this up to make the effect actually *do* something!
return path_out;
}
*/
Geom::Piecewise<Geom::D2<Geom::SBasis> >
LPESkeleton::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
{
Geom::Piecewise<Geom::D2<Geom::SBasis> > output;
output = pwd2_in; // spice this up to make the effect actually *do* something!
return output;
}
/* ########################
* Define the classes for your knotholder handles here
*/
/**
namespace Skeleton {
class KnotHolderEntityMyHandle : public KnotHolderEntity
{
public:
virtual bool isLPEParam() { return true; } // this is always needed
// the set() and get() methods must be implemented, click() is optional
virtual void knot_set(NR::Point const &p, NR::Point const &origin, guint state);
virtual NR::Point knot_get();
//virtual void knot_click(guint state);
};
} // namespace Skeleton
**/
/* ######################## */
} //namespace LivePathEffect
} /* namespace Inkscape */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :