/** \file
* Implementation of tangent-to-curve LPE.
*/
/*
* Authors:
* Johan Engelen
* Maximilian Albert
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
* Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "live_effects/lpe-tangent_to_curve.h"
#include "sp-path.h"
#include "knot-holder-entity.h"
#include "knotholder.h"
namespace Inkscape {
namespace LivePathEffect {
namespace TtC {
public:
};
public:
};
{
public:
};
} // namespace TtC
t_attach(_("Location along curve:"), _("Location of the point of attachment along the curve (between 0.0 and number-of-segments)"), "t_attach", &wr, this, 0.5),
length_left(_("Length left:"), _("Specifies the left end of the tangent"), "length-left", &wr, this, 150),
length_right(_("Length right:"), _("Specifies the right end of the tangent"), "length-right", &wr, this, 150)
{
show_orig_path = true;
_provides_knotholder_entities = true;
}
{
}
{
using namespace Geom;
// TODO: Why are positive angles measured clockwise, not counterclockwise?
return output;
}
void
LPETangentToCurve::addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item) {
{
_("Adjust the point of attachment of the tangent") );
knotholder->add(e);
}
{
_("Adjust the <b>left</b> end of the tangent") );
knotholder->add(e);
}
{
_("Adjust the <b>right</b> end of the tangent") );
knotholder->add(e);
}
};
namespace TtC {
void
KnotHolderEntityAttachPt::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint state)
{
using namespace Geom;
//lpe->t_attach.param_set_value(0);
return;
}
// FIXME: this should not directly ask for updating the item. It should write to SVG, which triggers updating.
}
void
{
}
void
KnotHolderEntityRightEnd::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint state)
{
}
{
}
{
return lpe->C;
}
{
return lpe->D;
}
} // namespace TtC
} //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 :