/*
* Author(s):
* Jabiertxo Arraiza Cenoz <jabier.arraiza@marker.es>
*
* Copyright (C) 2014 Author(s)
*
* 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
* Also to Mc- (IRC nick) for his important contribution to find real time
* values based on
* 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 "live_effects/lpe-fillet-chamfer.h"
#include <2geom/sbasis-to-bezier.h>
#include <2geom/elliptical-arc.h>
#include <2geom/line.h>
#include "desktop.h"
#include "display/curve.h"
#include "helper/geom-nodetype.h"
#include "helper/geom-curves.h"
#include "helper/geom.h"
#include "live_effects/parameter/filletchamferpointarray.h"
// for programmatically updating knots
#include "ui/tools-switch.h"
// TODO due to internal breakage in glibmm headers, this must be last:
#include <glibmm/i18n.h>
using namespace Geom;
namespace Inkscape {
namespace LivePathEffect {
static const Util::EnumData<FilletMethod> FilletMethodData[FM_END] = {
{ FM_AUTO, N_("Auto"), "auto" },
{ FM_ARC, N_("Force arc"), "arc" },
{ FM_BEZIER, N_("Force bezier"), "bezier" }
};
static const Util::EnumDataConverter<FilletMethod>
FMConverter(FilletMethodData, FM_END);
const double tolerance = 0.001;
const double gapHelper = 0.00001;
LPEFilletChamfer::LPEFilletChamfer(LivePathEffectObject *lpeobject) :
Effect(lpeobject),
fillet_chamfer_values(_("Fillet point"), _("Fillet point"), "fillet_chamfer_values", &wr, this),
hide_knots(_("Hide knots"), _("Hide knots"), "hide_knots", &wr, this, false),
ignore_radius_0(_("Ignore 0 radius knots"), _("Ignore 0 radius knots"), "ignore_radius_0", &wr, this, false),
only_selected(_("Change only selected nodes"), _("Change only selected nodes"), "only_selected", &wr, this, false),
flexible(_("Flexible radius size (%)"), _("Flexible radius size (%)"), "flexible", &wr, this, false),
use_knot_distance(_("Use knots distance instead radius"), _("Use knots distance instead radius"), "use_knot_distance", &wr, this, false),
method(_("Method:"), _("Fillets methods"), "method", FMConverter, &wr, this, FM_AUTO),
radius(_("Radius (unit or %):"), _("Radius, in unit or %"), "radius", &wr, this, 0.),
chamfer_steps(_("Chamfer steps:"), _("Chamfer steps"), "chamfer_steps", &wr, this, 0),
helper_size(_("Helper size with direction:"), _("Helper size with direction"), "helper_size", &wr, this, 0)
{
registerParameter(&fillet_chamfer_values);
registerParameter(&method);
registerParameter(&radius);
registerParameter(&chamfer_steps);
registerParameter(&helper_size);
registerParameter(&flexible);
registerParameter(&use_knot_distance);
registerParameter(&ignore_radius_0);
registerParameter(&only_selected);
registerParameter(&hide_knots);
radius.param_set_range(0., infinity());
radius.param_set_increments(1, 1);
radius.param_set_digits(4);
radius.param_overwrite_widget(true);
chamfer_steps.param_set_range(1, 999);
chamfer_steps.param_set_increments(1, 1);
chamfer_steps.param_set_digits(0);
chamfer_steps.param_overwrite_widget(true);
helper_size.param_set_range(0, infinity());
helper_size.param_set_increments(5, 5);
helper_size.param_set_digits(0);
helper_size.param_overwrite_widget(true);
fillet_chamfer_values.set_chamfer_steps(3);
}
LPEFilletChamfer::~LPEFilletChamfer() {}
Gtk::Widget *LPEFilletChamfer::newWidget()
{
// use manage here, because after deletion of Effect object, others might
// still be pointing to this widget.
Gtk::VBox *vbox = Gtk::manage(new Gtk::VBox(Effect::newWidget()));
vbox->set_border_width(5);
vbox->set_homogeneous(false);
vbox->set_spacing(2);
Gtk::HBox *advertaising = Gtk::manage(new Gtk::HBox(true, 0));
Gtk::Button *advert = Gtk::manage(new Gtk::Button(Glib::ustring(_("IMPORTANT! New version soon..."))));
advertaising->pack_start(*advert, true, true, 2);
vbox->pack_start(*advertaising, true, true, 2);
Gtk::HBox *advertaising2 = Gtk::manage(new Gtk::HBox(true, 0));
Gtk::Button *advert2 = Gtk::manage(new Gtk::Button(Glib::ustring(_("Not compatible. Convert to path after."))));
advertaising2->pack_start(*advert2, true, true, 2);
vbox->pack_start(*advertaising2, true, true, 2);
std::vector<Parameter *>::iterator it = param_vector.begin();
while (it != param_vector.end()) {
if ((*it)->widget_is_visible) {
Parameter *param = *it;
Gtk::Widget *widg = param->param_newWidget();
if (param->param_key == "radius") {
Inkscape::UI::Widget::Scalar *widgRegistered = Gtk::manage(dynamic_cast<Inkscape::UI::Widget::Scalar *>(widg));
widgRegistered->signal_value_changed().connect(sigc::mem_fun(*this, &LPEFilletChamfer::updateFillet));
widg = widgRegistered;
if (widg) {
Gtk::HBox *scalarParameter = dynamic_cast<Gtk::HBox *>(widg);
std::vector<Gtk::Widget *> childList = scalarParameter->get_children();
Gtk::Entry *entryWidg = dynamic_cast<Gtk::Entry *>(childList[1]);
entryWidg->set_width_chars(6);
}
} else if (param->param_key == "chamfer_steps") {
Inkscape::UI::Widget::Scalar *widgRegistered = Gtk::manage(dynamic_cast<Inkscape::UI::Widget::Scalar *>(widg));
widgRegistered->signal_value_changed().connect(sigc::mem_fun(*this, &LPEFilletChamfer::chamferSubdivisions));
widg = widgRegistered;
if (widg) {
Gtk::HBox *scalarParameter = dynamic_cast<Gtk::HBox *>(widg);
std::vector<Gtk::Widget *> childList = scalarParameter->get_children();
Gtk::Entry *entryWidg = dynamic_cast<Gtk::Entry *>(childList[1]);
entryWidg->set_width_chars(3);
}
} else if (param->param_key == "flexible") {
Gtk::CheckButton *widgRegistered = Gtk::manage(dynamic_cast<Gtk::CheckButton *>(widg));
widgRegistered->signal_clicked().connect(sigc::mem_fun(*this, &LPEFilletChamfer::toggleFlexFixed));
} else if (param->param_key == "helper_size") {
Inkscape::UI::Widget::Scalar *widgRegistered = Gtk::manage(dynamic_cast<Inkscape::UI::Widget::Scalar *>(widg));
widgRegistered->signal_value_changed().connect(sigc::mem_fun(*this, &LPEFilletChamfer::refreshKnots));
} else if (param->param_key == "hide_knots") {
Gtk::CheckButton *widgRegistered = Gtk::manage(dynamic_cast<Gtk::CheckButton *>(widg));
widgRegistered->signal_clicked().connect(sigc::mem_fun(*this, &LPEFilletChamfer::toggleHide));
} else if (param->param_key == "only_selected") {
Gtk::manage(widg);
} else if (param->param_key == "ignore_radius_0") {
Gtk::manage(widg);
}
Glib::ustring *tip = param->param_getTooltip();
if (widg) {
vbox->pack_start(*widg, true, true, 2);
if (tip) {
widg->set_tooltip_text(*tip);
} else {
widg->set_tooltip_text("");
widg->set_has_tooltip(false);
}
}
}
++it;
}
Gtk::HBox *filletContainer = Gtk::manage(new Gtk::HBox(true, 0));
Gtk::Button *fillet = Gtk::manage(new Gtk::Button(Glib::ustring(_("Fillet"))));
fillet->signal_clicked().connect(sigc::mem_fun(*this, &LPEFilletChamfer::fillet));
filletContainer->pack_start(*fillet, true, true, 2);
Gtk::Button *inverseFillet = Gtk::manage(new Gtk::Button(Glib::ustring(_("Inverse fillet"))));
inverseFillet->signal_clicked().connect(sigc::mem_fun(*this, &LPEFilletChamfer::inverseFillet));
filletContainer->pack_start(*inverseFillet, true, true, 2);
Gtk::HBox *chamferContainer = Gtk::manage(new Gtk::HBox(true, 0));
Gtk::Button *chamfer = Gtk::manage(new Gtk::Button(Glib::ustring(_("Chamfer"))));
chamfer->signal_clicked().connect(sigc::mem_fun(*this, &LPEFilletChamfer::chamfer));
chamferContainer->pack_start(*chamfer, true, true, 2);
Gtk::Button *inverseChamfer = Gtk::manage(new Gtk::Button(Glib::ustring(_("Inverse chamfer"))));
inverseChamfer->signal_clicked().connect(sigc::mem_fun(*this, &LPEFilletChamfer::inverseChamfer));
chamferContainer->pack_start(*inverseChamfer, true, true, 2);
vbox->pack_start(*filletContainer, true, true, 2);
vbox->pack_start(*chamferContainer, true, true, 2);
return vbox;
}
void LPEFilletChamfer::toggleHide()
{
std::vector<Point> filletChamferData = fillet_chamfer_values.data();
std::vector<Geom::Point> result;
for (std::vector<Point>::const_iterator point_it = filletChamferData.begin();
point_it != filletChamferData.end(); ++point_it) {
if (hide_knots) {
result.push_back(Point((*point_it)[X], std::abs((*point_it)[Y]) * -1));
} else {
result.push_back(Point((*point_it)[X], std::abs((*point_it)[Y])));
}
}
fillet_chamfer_values.param_set_and_write_new_value(result);
refreshKnots();
}
void LPEFilletChamfer::toggleFlexFixed()
{
std::vector<Point> filletChamferData = fillet_chamfer_values.data();
std::vector<Geom::Point> result;
unsigned int i = 0;
for (std::vector<Point>::const_iterator point_it = filletChamferData.begin();
point_it != filletChamferData.end(); ++point_it) {
if (flexible) {
result.push_back(Point(fillet_chamfer_values.to_time(i, (*point_it)[X]),
(*point_it)[Y]));
} else {
result.push_back(Point(fillet_chamfer_values.to_len(i, (*point_it)[X]),
(*point_it)[Y]));
}
i++;
}
if (flexible) {
radius.param_set_range(0., 100);
radius.param_set_value(0);
} else {
radius.param_set_range(0., infinity());
radius.param_set_value(0);
}
fillet_chamfer_values.param_set_and_write_new_value(result);
}
void LPEFilletChamfer::updateFillet()
{
double power = 0;
if (!flexible) {
power = radius * -1;
} else {
power = radius;
}
Piecewise<D2<SBasis> > const &pwd2 = fillet_chamfer_values.get_pwd2();
doUpdateFillet(path_from_piecewise(pwd2, tolerance), power);
DocumentUndo::done(getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change scalar parameter"));
}
void LPEFilletChamfer::fillet()
{
Piecewise<D2<SBasis> > const &pwd2 = fillet_chamfer_values.get_pwd2();
doChangeType(path_from_piecewise(pwd2, tolerance), 1);
DocumentUndo::done(getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Convert to fillet"));
}
void LPEFilletChamfer::inverseFillet()
{
Piecewise<D2<SBasis> > const &pwd2 = fillet_chamfer_values.get_pwd2();
doChangeType(path_from_piecewise(pwd2, tolerance), 2);
DocumentUndo::done(getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Convert to inverse fillet"));
}
void LPEFilletChamfer::chamferSubdivisions()
{
fillet_chamfer_values.set_chamfer_steps(chamfer_steps);
Piecewise<D2<SBasis> > const &pwd2 = fillet_chamfer_values.get_pwd2();
doChangeType(path_from_piecewise(pwd2, tolerance), chamfer_steps + 5000);
DocumentUndo::done(getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change scalar parameter"));
}
void LPEFilletChamfer::chamfer()
{
fillet_chamfer_values.set_chamfer_steps(chamfer_steps);
Piecewise<D2<SBasis> > const &pwd2 = fillet_chamfer_values.get_pwd2();
doChangeType(path_from_piecewise(pwd2, tolerance), chamfer_steps + 3000);
DocumentUndo::done(getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Convert to chamfer"));
}
void LPEFilletChamfer::inverseChamfer()
{
fillet_chamfer_values.set_chamfer_steps(chamfer_steps);
Piecewise<D2<SBasis> > const &pwd2 = fillet_chamfer_values.get_pwd2();
doChangeType(path_from_piecewise(pwd2, tolerance), chamfer_steps + 4000);
DocumentUndo::done(getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Convert to inverse fillet"));
}
void LPEFilletChamfer::refreshKnots()
{
Piecewise<D2<SBasis> > const &pwd2 = fillet_chamfer_values.get_pwd2();
fillet_chamfer_values.recalculate_knots(pwd2);
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
if (tools_isactive(desktop, TOOLS_NODES)) {
tools_switch(desktop, TOOLS_SELECT);
tools_switch(desktop, TOOLS_NODES);
}
DocumentUndo::done(getSPDoc(), SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Knots and helper paths refreshed"));
}
void LPEFilletChamfer::doUpdateFillet(Geom::PathVector const &original_pathv, double power)
{
std::vector<Point> filletChamferData = fillet_chamfer_values.data();
std::vector<Geom::Point> result;
Geom::PathVector original_pathv_processed = pathv_to_linear_and_cubic_beziers(original_pathv);
int counter = 0;
for (PathVector::const_iterator path_it = original_pathv_processed.begin();
path_it != original_pathv_processed.end(); ++path_it) {
if (path_it->empty())
continue;
Geom::Path::const_iterator curve_it1 = path_it->begin();
Geom::Path::const_iterator curve_it2 = ++(path_it->begin());
Geom::Path::const_iterator curve_endit = path_it->end_default();
if (path_it->closed() && path_it->back_closed().isDegenerate()) {
const Curve &closingline = path_it->back_closed();
if (are_near(closingline.initialPoint(), closingline.finalPoint())) {
curve_endit = path_it->end_open();
}
}
double powerend = 0;
while (curve_it1 != curve_endit) {
powerend = power;
if (power < 0 && !use_knot_distance) {
powerend = fillet_chamfer_values.rad_to_len(counter,powerend);
}
if (power > 0) {
powerend = counter + (power / 100);
}
if (ignore_radius_0 && (filletChamferData[counter][X] == 0 ||
filletChamferData[counter][X] == counter)) {
powerend = filletChamferData[counter][X];
}
if (filletChamferData[counter][Y] == 0) {
powerend = filletChamferData[counter][X];
}
if (only_selected && !isNodePointSelected(curve_it1->initialPoint())) {
powerend = filletChamferData[counter][X];
}
result.push_back(Point(powerend, filletChamferData[counter][Y]));
++curve_it1;
++curve_it2;
counter++;
}
}
fillet_chamfer_values.param_set_and_write_new_value(result);
}
void LPEFilletChamfer::doChangeType(Geom::PathVector const &original_pathv, int type)
{
std::vector<Point> filletChamferData = fillet_chamfer_values.data();
std::vector<Geom::Point> result;
Geom::PathVector original_pathv_processed = pathv_to_linear_and_cubic_beziers(original_pathv);
int counter = 0;
for (PathVector::const_iterator path_it = original_pathv_processed.begin(); path_it != original_pathv_processed.end(); ++path_it) {
int pathCounter = 0;
if (path_it->empty())
continue;
Geom::Path::const_iterator curve_it1 = path_it->begin();
Geom::Path::const_iterator curve_it2 = ++(path_it->begin());
Geom::Path::const_iterator curve_endit = path_it->end_default();
if (path_it->closed() && path_it->back_closed().isDegenerate()) {
const Curve &closingline = path_it->back_closed();
if (are_near(closingline.initialPoint(), closingline.finalPoint())) {
curve_endit = path_it->end_open();
}
}
while (curve_it1 != curve_endit) {
bool toggle = true;
if (filletChamferData[counter][Y] == 0 ||
(ignore_radius_0 && (filletChamferData[counter][X] == 0 ||
filletChamferData[counter][X] == counter)) ||
(only_selected && !isNodePointSelected(curve_it1->initialPoint()))) {
toggle = false;
}
if (toggle) {
if(type >= 5000){
if(filletChamferData[counter][Y] >= 3000 && filletChamferData[counter][Y] < 4000){
type = type - 2000;
} else if (filletChamferData[counter][Y] >= 4000 && filletChamferData[counter][Y] < 5000){
type = type - 1000;
}
}
result.push_back(Point(filletChamferData[counter][X], type));
} else {
result.push_back(filletChamferData[counter]);
}
++curve_it1;
if (curve_it2 != curve_endit) {
++curve_it2;
}
counter++;
pathCounter++;
}
}
fillet_chamfer_values.param_set_and_write_new_value(result);
}
void LPEFilletChamfer::doOnApply(SPLPEItem const *lpeItem)
{
if (SP_IS_SHAPE(lpeItem)) {
std::vector<Point> point;
PathVector const &original_pathv = pathv_to_linear_and_cubic_beziers(SP_SHAPE(lpeItem)->_curve->get_pathvector());
Piecewise<D2<SBasis> > pwd2_in = paths_to_pw(original_pathv);
for (PathVector::const_iterator path_it = original_pathv.begin(); path_it != original_pathv.end(); ++path_it) {
if (path_it->empty())
continue;
Geom::Path::const_iterator curve_it1 = path_it->begin();
Geom::Path::const_iterator curve_it2 = ++(path_it->begin());
Geom::Path::const_iterator curve_endit = path_it->end_default();
if (path_it->closed()) {
const Geom::Curve &closingline = path_it->back_closed();
// the closing line segment is always of type
// Geom::LineSegment.
if (are_near(closingline.initialPoint(), closingline.finalPoint())) {
// closingline.isDegenerate() did not work, because it only checks for
// *exact* zero length, which goes wrong for relative coordinates and
// rounding errors...
// the closing line segment has zero-length. So stop before that one!
curve_endit = path_it->end_open();
}
}
int counter = 0;
while (curve_it1 != curve_endit) {
std::pair<std::size_t, std::size_t> positions = fillet_chamfer_values.get_positions(counter, original_pathv);
Geom::NodeType nodetype;
if (positions.second == 0) {
if (path_it->closed()) {
Piecewise<D2<SBasis> > u;
u.push_cut(0);
u.push(pwd2_in[fillet_chamfer_values.last_index(counter, original_pathv)], 1);
Geom::Curve const * A = path_from_piecewise(u, 0.1)[0][0].duplicate();
nodetype = get_nodetype(*A, *curve_it1);
} else {
nodetype = NODE_NONE;
}
} else {
nodetype = get_nodetype((*path_it)[counter - 1], *curve_it1);
}
if (nodetype == NODE_CUSP) {
point.push_back(Point(0, 1));
} else {
point.push_back(Point(0, 0));
}
++curve_it1;
if (curve_it2 != curve_endit) {
++curve_it2;
}
counter++;
}
}
fillet_chamfer_values.param_set_and_write_new_value(point);
} else {
g_warning("LPE Fillet can only be applied to shapes (not groups).");
SPLPEItem * item = const_cast<SPLPEItem*>(lpeItem);
item->removeCurrentPathEffect(false);
}
}
void LPEFilletChamfer::doBeforeEffect(SPLPEItem const *lpeItem)
{
if (SP_IS_SHAPE(lpeItem)) {
if(hide_knots){
fillet_chamfer_values.set_helper_size(0);
} else {
fillet_chamfer_values.set_helper_size(helper_size);
}
fillet_chamfer_values.set_use_distance(use_knot_distance);
SPCurve *c = SP_IS_PATH(lpeItem) ? static_cast<SPPath const *>(lpeItem)
->get_original_curve()
: SP_SHAPE(lpeItem)->getCurve();
std::vector<Point> filletChamferData = fillet_chamfer_values.data();
if (!filletChamferData.empty() && getKnotsNumber(c) != (int)
filletChamferData.size()) {
PathVector const original_pathv = pathv_to_linear_and_cubic_beziers(c->get_pathvector());
Piecewise<D2<SBasis> > pwd2_in = paths_to_pw(original_pathv);
fillet_chamfer_values.recalculate_controlpoints_for_new_pwd2(pwd2_in);
}
} else {
g_warning("LPE Fillet can only be applied to shapes (not groups).");
}
}
int LPEFilletChamfer::getKnotsNumber(SPCurve const *c)
{
int nKnots = c->nodes_in_path();
PathVector const pv = pathv_to_linear_and_cubic_beziers(c->get_pathvector());
for (Geom::PathVector::const_iterator path_it = pv.begin();
path_it != pv.end(); ++path_it) {
if (!(*path_it).closed()) {
nKnots--;
}
}
return nKnots;
}
void
LPEFilletChamfer::adjustForNewPath(Geom::PathVector const &path_in)
{
if (!path_in.empty()) {
fillet_chamfer_values.recalculate_controlpoints_for_new_pwd2(pathv_to_linear_and_cubic_beziers(path_in)[0].toPwSb());
}
}
Geom::PathVector
LPEFilletChamfer::doEffect_path(Geom::PathVector const &path_in)
{
Geom::PathVector pathvector_out;
Piecewise<D2<SBasis> > pwd2_in = paths_to_pw(pathv_to_linear_and_cubic_beziers(path_in));
pwd2_in = remove_short_cuts(pwd2_in, .01);
Piecewise<D2<SBasis> > der = derivative(pwd2_in);
Piecewise<D2<SBasis> > n = rot90(unitVector(der));
fillet_chamfer_values.set_pwd2(pwd2_in, n);
std::vector<Point> filletChamferData = fillet_chamfer_values.data();
unsigned int counter = 0;
const double K = (4.0 / 3.0) * (sqrt(2.0) - 1.0);
Geom::PathVector path_in_processed = pathv_to_linear_and_cubic_beziers(path_in);
for (PathVector::const_iterator path_it = path_in_processed.begin();
path_it != path_in_processed.end(); ++path_it) {
if (path_it->empty())
continue;
Geom::Path path_out;
Geom::Path::const_iterator curve_it1 = path_it->begin();
Geom::Path::const_iterator curve_it2 = ++(path_it->begin());
Geom::Path::const_iterator curve_endit = path_it->end_default();
if (path_it->closed()) {
const Geom::Curve &closingline = path_it->back_closed();
// the closing line segment is always of type
// Geom::LineSegment.
if (are_near(closingline.initialPoint(), closingline.finalPoint())) {
// closingline.isDegenerate() did not work, because it only checks for
// *exact* zero length, which goes wrong for relative coordinates and
// rounding errors...
// the closing line segment has zero-length. So stop before that one!
curve_endit = path_it->end_open();
}
}
unsigned int counterCurves = 0;
while (curve_it1 != curve_endit) {
Curve *curve_it2Fixed = (*path_it->begin()).duplicate();
if(!path_it->closed() || curve_it2 != curve_endit){
curve_it2Fixed = (*curve_it2).duplicate();
}
bool last = curve_it2 == curve_endit;
std::vector<double> times = fillet_chamfer_values.get_times(counter, path_in, last);
Curve *knotCurve1 = curve_it1->portion(times[0], times[1]);
if (counterCurves > 0) {
knotCurve1->setInitial(path_out.finalPoint());
} else {
path_out.start((*curve_it1).pointAt(times[0]));
}
Curve *knotCurve2 = curve_it2Fixed->portion(times[2], 1);
Point startArcPoint = knotCurve1->finalPoint();
Point endArcPoint = curve_it2Fixed->pointAt(times[2]);
double k1 = distance(startArcPoint, curve_it1->finalPoint()) * K;
double k2 = distance(endArcPoint, curve_it1->finalPoint()) * K;
Geom::CubicBezier const *cubic1 = dynamic_cast<Geom::CubicBezier const *>(&*knotCurve1);
Ray ray1(startArcPoint, curve_it1->finalPoint());
if (cubic1) {
ray1.setPoints((*cubic1)[2], startArcPoint);
}
Point handle1 = Point::polar(ray1.angle(),k1) + startArcPoint;
Geom::CubicBezier const *cubic2 =
dynamic_cast<Geom::CubicBezier const *>(&*knotCurve2);
Ray ray2(curve_it1->finalPoint(), endArcPoint);
if (cubic2) {
ray2.setPoints(endArcPoint, (*cubic2)[1]);
}
Point handle2 = endArcPoint - Point::polar(ray2.angle(),k2);
bool ccwToggle = cross(curve_it1->finalPoint() - startArcPoint, endArcPoint - startArcPoint) > 0;
double angle = angle_between(ray1, ray2, ccwToggle);
double handleAngle = ray1.angle() - angle;
if (ccwToggle) {
handleAngle = ray1.angle() + angle;
}
Point inverseHandle1 = Point::polar(handleAngle,k1) + startArcPoint;
handleAngle = ray2.angle() + angle;
if (ccwToggle) {
handleAngle = ray2.angle() - angle;
}
Point inverseHandle2 = endArcPoint - Point::polar(handleAngle,k2);
//straigth lines arc based
Line const x_line(Geom::Point(0,0),Geom::Point(1,0));
Line const angled_line(startArcPoint,endArcPoint);
double angleArc = Geom::angle_between( x_line,angled_line);
double radius = Geom::distance(startArcPoint,middle_point(startArcPoint,endArcPoint))/sin(angle/2.0);
Coord rx = radius;
Coord ry = rx;
if (times[1] != 1) {
if (times[1] != gapHelper && times[1] != times[0] + gapHelper) {
path_out.append(*knotCurve1);
}
int type = 0;
if(path_it->closed() && last){
type = std::abs(filletChamferData[counter - counterCurves][Y]);
} else if (!path_it->closed() && last){
//0
} else {
type = std::abs(filletChamferData[counter + 1][Y]);
}
if(are_near(middle_point(startArcPoint,endArcPoint),curve_it1->finalPoint(), 0.0001)){
path_out.appendNew<Geom::LineSegment>(endArcPoint);
} else if (type >= 3000 && type < 4000) {
unsigned int chamferSubs = type-3000;
Geom::Path path_chamfer;
path_chamfer.start(path_out.finalPoint());
if((is_straight_curve(*curve_it1) && is_straight_curve(*curve_it2Fixed) && method != FM_BEZIER )|| method == FM_ARC){
path_chamfer.appendNew<EllipticalArc>(rx, ry, angleArc, 0, ccwToggle, endArcPoint);
} else {
path_chamfer.appendNew<Geom::CubicBezier>(handle1, handle2, endArcPoint);
}
double chamfer_stepsTime = 1.0/chamferSubs;
for(unsigned int i = 1; i < chamferSubs; i++){
Geom::Point chamferStep = path_chamfer.pointAt(chamfer_stepsTime * i);
path_out.appendNew<Geom::LineSegment>(chamferStep);
}
path_out.appendNew<Geom::LineSegment>(endArcPoint);
} else if (type >= 4000 && type < 5000) {
unsigned int chamferSubs = type-4000;
Geom::Path path_chamfer;
path_chamfer.start(path_out.finalPoint());
if((is_straight_curve(*curve_it1) && is_straight_curve(*curve_it2Fixed) && method != FM_BEZIER )|| method == FM_ARC){
ccwToggle = ccwToggle?0:1;
path_chamfer.appendNew<EllipticalArc>(rx, ry, angleArc, 0, ccwToggle, endArcPoint);
}else{
path_chamfer.appendNew<Geom::CubicBezier>(inverseHandle1, inverseHandle2, endArcPoint);
}
double chamfer_stepsTime = 1.0/chamferSubs;
for(unsigned int i = 1; i < chamferSubs; i++){
Geom::Point chamferStep = path_chamfer.pointAt(chamfer_stepsTime * i);
path_out.appendNew<Geom::LineSegment>(chamferStep);
}
path_out.appendNew<Geom::LineSegment>(endArcPoint);
} else if (type == 2) {
if((is_straight_curve(*curve_it1) && is_straight_curve(*curve_it2Fixed) && method != FM_BEZIER )|| method == FM_ARC){
ccwToggle = ccwToggle?0:1;
path_out.appendNew<EllipticalArc>(rx, ry, angleArc, 0, ccwToggle, endArcPoint);
}else{
path_out.appendNew<Geom::CubicBezier>(inverseHandle1, inverseHandle2, endArcPoint);
}
} else if (type == 1){
if((is_straight_curve(*curve_it1) && is_straight_curve(*curve_it2Fixed) && method != FM_BEZIER )|| method == FM_ARC){
path_out.appendNew<EllipticalArc>(rx, ry, angleArc, 0, ccwToggle, endArcPoint);
} else {
path_out.appendNew<Geom::CubicBezier>(handle1, handle2, endArcPoint);
}
}
} else {
path_out.append(*knotCurve1);
}
if (path_it->closed() && last) {
path_out.close();
}
++curve_it1;
if (curve_it2 != curve_endit) {
++curve_it2;
}
counter++;
counterCurves++;
}
pathvector_out.push_back(path_out);
}
return pathvector_out;
}
}; //namespace LivePathEffect
}; /* namespace Inkscape */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offset:((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 :