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#define INKSCAPE_LIVEPATHEFFECT_POWERSTROKE_POINT_ARRAY_CPP
/*
* 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/parameter/powerstrokepointarray.h"
#include "live_effects/effect.h"
#include "svg/svg.h"
#include "svg/stringstream.h"
#include "knotholder.h"
#include "sp-lpe-item.h"
#include <2geom/piecewise.h>
#include <2geom/sbasis-geometric.h>
// needed for on-canvas editting:
#include "desktop.h"
namespace Inkscape {
namespace LivePathEffect {
PowerStrokePointArrayParam::PowerStrokePointArrayParam( const Glib::ustring& label, const Glib::ustring& tip,
const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
Effect* effect, const gchar *htip)
: ArrayParam<Geom::Point>(label, tip, key, wr, effect, 0)
{
knot_shape = SP_KNOT_SHAPE_DIAMOND;
knot_mode = SP_KNOT_MODE_XOR;
knot_color = 0xff00ff00;
handle_tip = g_strdup(htip);
}
PowerStrokePointArrayParam::~PowerStrokePointArrayParam()
{
if (handle_tip)
g_free(handle_tip);
}
Gtk::Widget *
PowerStrokePointArrayParam::param_newWidget(Gtk::Tooltips * /*tooltips*/)
{
return NULL;
/*
Inkscape::UI::Widget::RegisteredTransformedPoint * pointwdg = Gtk::manage(
new Inkscape::UI::Widget::RegisteredTransformedPoint( param_label,
param_tooltip,
param_key,
*param_wr,
param_effect->getRepr(),
param_effect->getSPDoc() ) );
// TODO: fix to get correct desktop (don't use SP_ACTIVE_DESKTOP)
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
Geom::Affine transf = desktop->doc2dt();
pointwdg->setTransform(transf);
pointwdg->setValue( *this );
pointwdg->clearProgrammatically();
pointwdg->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change point parameter"));
Gtk::HBox * hbox = Gtk::manage( new Gtk::HBox() );
static_cast<Gtk::HBox*>(hbox)->pack_start(*pointwdg, true, true);
static_cast<Gtk::HBox*>(hbox)->show_all_children();
return dynamic_cast<Gtk::Widget *> (hbox);
*/
}
void PowerStrokePointArrayParam::param_transform_multiply(Geom::Affine const& /*postmul*/, bool /*set*/)
{
// param_set_and_write_new_value( (*this) * postmul );
}
void
PowerStrokePointArrayParam::set_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint32 color)
{
knot_shape = shape;
knot_mode = mode;
knot_color = color;
}
class PowerStrokePointArrayParamKnotHolderEntity : public LPEKnotHolderEntity {
public:
PowerStrokePointArrayParamKnotHolderEntity(PowerStrokePointArrayParam *p, unsigned int index);
virtual ~PowerStrokePointArrayParamKnotHolderEntity() {}
virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, guint state);
virtual Geom::Point knot_get();
virtual void knot_click(guint state);
private:
PowerStrokePointArrayParam *_pparam;
unsigned int _index;
};
PowerStrokePointArrayParamKnotHolderEntity::PowerStrokePointArrayParamKnotHolderEntity(PowerStrokePointArrayParam *p, unsigned int index)
: _pparam(p),
_index(index)
{
}
void
PowerStrokePointArrayParamKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint /*state*/)
{
/// @todo how about item transforms???
using namespace Geom;
Piecewise<D2<SBasis> > const & pwd2 = _pparam->get_pwd2();
Piecewise<D2<SBasis> > const & n = _pparam->get_pwd2_normal();
Geom::Point const s = snap_knot_position(p);
double t = nearest_point(s, pwd2);
double offset = dot(s - pwd2.valueAt(t), n.valueAt(t));
_pparam->_vector.at(_index) = Geom::Point(t, offset);
sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false);
}
Geom::Point
PowerStrokePointArrayParamKnotHolderEntity::knot_get()
{
using namespace Geom;
Piecewise<D2<SBasis> > const & pwd2 = _pparam->get_pwd2();
Piecewise<D2<SBasis> > const & n = _pparam->get_pwd2_normal();
Point offset_point = _pparam->_vector.at(_index);
Point canvas_point = pwd2.valueAt(offset_point[X]) + offset_point[Y] * n.valueAt(offset_point[X]);
return canvas_point;
}
void
PowerStrokePointArrayParamKnotHolderEntity::knot_click(guint state)
{
g_print ("This is the %d handle associated to parameter '%s'\n", _index, _pparam->param_key.c_str());
if (state & GDK_CONTROL_MASK) {
std::vector<Geom::Point> & vec = _pparam->_vector;
vec.insert(vec.begin() + _index, 1, vec.at(_index));
_pparam->param_set_and_write_new_value(vec);
g_print ("Added handle %d associated to parameter '%s'\n", _index, _pparam->param_key.c_str());
/// @todo this BUGS ! the knot stuff should be reloaded when adding a new node!
}
}
void
PowerStrokePointArrayParam::addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item)
{
for (unsigned int i = 0; i < _vector.size(); ++i) {
PowerStrokePointArrayParamKnotHolderEntity *e = new PowerStrokePointArrayParamKnotHolderEntity(this, i);
e->create(desktop, item, knotholder, handle_tip, knot_shape, knot_mode, knot_color);
knotholder->add(e);
}
}
} /* 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 :
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