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/*
* Copyright (C) Jabiertxo Arraiza Cenoz <jabier.arraiza@marker.es>
* Special thanks to Johan Engelen for the base of the effect -powerstroke-
* Also to ScislaC for point me to the idea
* Also su_v for his construvtive feedback and time
* and finaly to Liam P. White for his big help on coding, that save me a lot of
* hours
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "knotholder.h"
#include "live_effects/parameter/satellitepairarray.h"
#include "sp-lpe-item.h"
// TODO due to internal breakage in glibmm headers,
// this has to be included last.
#include <glibmm/i18n.h>
using namespace Geom;
namespace Inkscape {
namespace LivePathEffect {
SatellitePairArrayParam::SatellitePairArrayParam(
const Glib::ustring &label, const Glib::ustring &tip,
const Glib::ustring &key, Inkscape::UI::Widget::Registry *wr,
Effect *effect)
: ArrayParam<std::pair<int,Geom::Satellite> >(label, tip, key, wr, effect, 0)
{
knot_shape = SP_KNOT_SHAPE_DIAMOND;
knot_mode = SP_KNOT_MODE_XOR;
knot_color = 0x00ff0000;
/*
std::vector<std::pair<int,Geom::Satellite> > satellites;
Geom::Path path;
path.start(Geom::Point(0,0));
path.appendNew<Geom::LineSegment>(Geom::Point(0,1));
last_pointwise = new Pointwise(path.toPwSb(),satellites);
*/
last_pointwise = NULL;
}
SatellitePairArrayParam::~SatellitePairArrayParam() {}
void SatellitePairArrayParam::set_oncanvas_looks(SPKnotShapeType shape,
SPKnotModeType mode,
guint32 color)
{
knot_shape = shape;
knot_mode = mode;
knot_color = color;
}
void SatellitePairArrayParam::set_pointwise(Geom::Pointwise *pointwise)
{
last_pointwise = pointwise;
}
void SatellitePairArrayParam::set_helper_size(int hs)
{
helper_size = hs;
updateCanvasIndicators();
}
void SatellitePairArrayParam::updateCanvasIndicators()
{
Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2 = last_pointwise->getPwd2();
hp.clear();
bool mirrorPass = false;
for (unsigned int i = 0; i < _vector.size(); ++i) {
if(!_vector[i].second.getActive() || !_vector[i].second.getHidden()){
continue;
}
double pos = 0;
if(pwd2.size() <= _vector[i].first){
break;
}
Geom::D2<Geom::SBasis> d2 = pwd2[_vector[i].first];
if(mirrorPass == true){
double size = _vector[i].second.getSize(pwd2[_vector[i].first]);
boost::optional<Geom::D2<Geom::SBasis> > curve_in = last_pointwise->getCurveIn(_vector[i]);
if(curve_in){
d2 = *curve_in;
pos = _vector[i].second.getOpositeTime(size,*curve_in);
}
} else {
pos = _vector[i].second.getTime(pwd2[_vector[i].first]);
}
if (pos == 0) {
continue;
}
Geom::Point ptA = d2.valueAt(pos);
Geom::Point derivA = unit_vector(derivative(d2).valueAt(pos));
Geom::Rotate rot(Geom::Rotate::from_degrees(-90));
derivA = derivA * rot;
Geom::Point C = ptA - derivA * helper_size;
Geom::Point D = ptA + derivA * helper_size;
Geom::Ray ray1(C, D);
char const * svgd = "M 1,0.25 0.5,0 1,-0.25 M 1,0.5 0,0 1,-0.5";
Geom::PathVector pathv = sp_svg_read_pathv(svgd);
Geom::Affine aff = Geom::Affine();
aff *= Geom::Scale(helper_size);
if(mirrorPass == true){
aff *= Geom::Rotate(ray1.angle() - deg_to_rad(90));
} else {
aff *= Geom::Rotate(ray1.angle() - deg_to_rad(270));
}
pathv *= aff;
pathv += d2.valueAt(pos);
hp.push_back(pathv[0]);
hp.push_back(pathv[1]);
if(_vector[i].second.getHasMirror() && mirrorPass == false){
mirrorPass = true;
i--;
} else {
mirrorPass = false;
}
}
}
void SatellitePairArrayParam::addCanvasIndicators(
SPLPEItem const */*lpeitem*/, std::vector<Geom::PathVector> &hp_vec)
{
hp_vec.push_back(hp);
}
void SatellitePairArrayParam::addKnotHolderEntities(KnotHolder *knotholder,
SPDesktop *desktop,
SPItem *item)
{
for (unsigned int i = 0; i < _vector.size(); ++i) {
if(!_vector[i].second.getActive() || !_vector[i].second.getHidden()){
continue;
}
if(_vector[i].second.getHasMirror()){
addKnotHolderEntitieMirrored(knotholder, desktop, item, i);
}
const gchar *tip;
tip = _("<b>Fillet</b>: <b>Ctrl+Click</b> toggle type, "
"<b>Shift+Click</b> open dialog, "
"<b>Ctrl+Alt+Click</b> reset");
SatellitePairArrayParamKnotHolderEntity *e =
new SatellitePairArrayParamKnotHolderEntity(this, i);
e->create(desktop, item, knotholder, Inkscape::CTRL_TYPE_UNKNOWN, _(tip),
knot_shape, knot_mode, knot_color);
knotholder->add(e);
}
}
void SatellitePairArrayParam::addKnotHolderEntitieMirrored(KnotHolder *knotholder,
SPDesktop *desktop,
SPItem *item, int i)
{
const gchar *tip;
tip = _("<b>Mirror</b> ppp");
SatellitePairArrayParamKnotHolderEntity *e =
new SatellitePairArrayParamKnotHolderEntity(this, i + _vector.size());
e->create(desktop, item, knotholder, Inkscape::CTRL_TYPE_UNKNOWN, _(tip),
knot_shape, knot_mode, knot_color);
knotholder->add(e);
}
SatellitePairArrayParamKnotHolderEntity::SatellitePairArrayParamKnotHolderEntity(SatellitePairArrayParam *p, unsigned int index)
: _pparam(p),
_index(index)
{
}
void SatellitePairArrayParamKnotHolderEntity::knot_set(Point const &p,
Point const &/*origin*/,
guint state)
{
Geom::Point s = snap_knot_position(p, state);
int index = _index;
if( _index >= _pparam->_vector.size()){
index = _index-_pparam->_vector.size();
}
if( _pparam->last_pointwise == NULL){
return;
}
std::pair<int,Geom::Satellite> satellite = _pparam->_vector.at(index);
Geom::Pointwise* pointwise = _pparam->last_pointwise;
Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2 = pointwise->getPwd2();
if(_pparam->_vector.size() <= _index){
boost::optional<Geom::D2<Geom::SBasis> > d2_in = pointwise->getCurveIn(satellite);
if(d2_in){
double mirrorTime = Geom::nearest_point(s, *d2_in);
double timeStart = 0;
std::vector<Satellite> satVector = pointwise->findPeviousSatellites(satellite.first,1);
if(satVector.size()>0){
timeStart = satVector[0].getTime(*d2_in);
}
if(timeStart > mirrorTime){
mirrorTime = timeStart;
}
double size = satellite.second.toSize(mirrorTime, *d2_in);
double lenght = Geom::length(*d2_in, Geom::EPSILON) - size;
double time = satellite.second.toTime(lenght,pwd2[satellite.first]);
s = pwd2[satellite.first].valueAt(time);
satellite.second.setPosition(s,pwd2[satellite.first]);
}
} else {
satellite.second.setPosition(s,pwd2[satellite.first]);
}
_pparam->_vector.at(index) = satellite;
SPLPEItem * splpeitem = dynamic_cast<SPLPEItem *>(item);
if(splpeitem){
sp_lpe_item_update_patheffect(splpeitem, false, false);
}
}
Geom::Point
SatellitePairArrayParamKnotHolderEntity::knot_get() const
{
Geom::Point tmpPoint;
int index = _index;
if( _index >= _pparam->_vector.size()){
index = _index-_pparam->_vector.size();
}
std::pair<int,Geom::Satellite> satellite = _pparam->_vector.at(index);
if( _pparam->last_pointwise == NULL){
return Geom::Point(0,0);
}
Geom::Pointwise* pointwise = _pparam->last_pointwise;
Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2 = pointwise->getPwd2();
if( _index >= _pparam->_vector.size()){
tmpPoint = satellite.second.getPosition(pwd2[satellite.first]);
boost::optional<Geom::D2<Geom::SBasis> > d2_in = pointwise->getCurveIn(satellite);
if(d2_in){
double s = satellite.second.getSize(pwd2[satellite.first]);
double t = satellite.second.getOpositeTime(s,*d2_in);
if(t > 1){
t = 1;
}
if(t < 0){
t = 0;
}
double timeStart = 0;
std::vector<Satellite> satVector = pointwise->findPeviousSatellites(satellite.first,1);
if(satVector.size()>0){
timeStart = satVector[0].getTime(*d2_in);
}
if(timeStart > t){
t = timeStart;
}
tmpPoint = (*d2_in).valueAt(t);
}
} else {
tmpPoint = satellite.second.getPosition(pwd2[satellite.first]);
}
Geom::Point const canvas_point = tmpPoint;
return canvas_point;
}
} /* 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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