diff options
Diffstat (limited to 'src/live_effects/parameter/filletchamferpointarray.cpp')
| -rw-r--r-- | src/live_effects/parameter/filletchamferpointarray.cpp | 263 |
1 files changed, 238 insertions, 25 deletions
diff --git a/src/live_effects/parameter/filletchamferpointarray.cpp b/src/live_effects/parameter/filletchamferpointarray.cpp index a89a6279b..bb00ef045 100644 --- a/src/live_effects/parameter/filletchamferpointarray.cpp +++ b/src/live_effects/parameter/filletchamferpointarray.cpp @@ -8,12 +8,20 @@ * Released under GNU GPL, read the file 'COPYING' for more information */ +#include <glibmm.h> + #include "ui/dialog/lpe-fillet-chamfer-properties.h" #include "live_effects/parameter/filletchamferpointarray.h" + #include <2geom/piecewise.h> #include <2geom/sbasis-to-bezier.h> #include <2geom/sbasis-geometric.h> +#include <2geom/svg-elliptical-arc.h> +#include <2geom/line.h> +#include <2geom/path-intersection.h> +#include "ui/dialog/lpe-fillet-chamfer-properties.h" +#include "live_effects/parameter/filletchamferpointarray.h" #include "live_effects/effect.h" #include "svg/svg.h" #include "svg/stringstream.h" @@ -32,6 +40,7 @@ // this has to be included last. #include <glibmm/i18n.h> + using namespace Geom; namespace Inkscape { @@ -165,11 +174,12 @@ void FilletChamferPointArrayParam::recalculate_controlpoints_for_new_pwd2( } } if (last_pathv.size() > pathv.size() || - (last_pathv[counterPaths].size() > counter - offset && + (last_pathv.size() > counterPaths && + last_pathv[counterPaths].size() > counter - offset && !are_near(curve_it1->initialPoint(), last_pathv[counterPaths][counter - offset].initialPoint(), 0.1))) { - if (last_pathv.size() > counterPaths && curve_it2 == curve_endit) { + if ( curve_it2 == curve_endit) { if (last_pathv[counterPaths].size() < pathv[counterPaths].size()) { offset = abs(last_pathv[counterPaths].size() - pathv[counterPaths].size()); @@ -332,10 +342,10 @@ void FilletChamferPointArrayParam::recalculate_knots( result.push_back(Point(xPos, 0)); } ++curve_it1; + counter++; if (curve_it2 != curve_endit) { ++curve_it2; } - counter++; counterCurves++; } } @@ -359,6 +369,11 @@ void FilletChamferPointArrayParam::set_helper_size(int hs) helper_size = hs; } +void FilletChamferPointArrayParam::set_use_distance(bool use_knot_distance ) +{ + use_distance = use_knot_distance; +} + void FilletChamferPointArrayParam::set_unit(const gchar *abbr) { unit = abbr; @@ -398,6 +413,205 @@ void FilletChamferPointArrayParam::addCanvasIndicators( hp_vec.push_back(hp); } +double FilletChamferPointArrayParam::rad_to_len(int index, double rad) +{ + double len = 0; + std::vector<Geom::Path> subpaths = path_from_piecewise(last_pwd2, 0.1); + std::pair<std::size_t, std::size_t> positions = get_positions(index, subpaths); + D2<SBasis> A = last_pwd2[last_index(index, subpaths)]; + if(positions.second != 0){ + A = last_pwd2[index-1]; + }else{ + if(!subpaths[positions.first].closed()){ + return len; + } + } + D2<SBasis> B = last_pwd2[index]; + Piecewise<D2<SBasis> > offset_curve0 = Piecewise<D2<SBasis> >(A)+rot90(unitVector(derivative(A)))*(rad); + Piecewise<D2<SBasis> > offset_curve1 = Piecewise<D2<SBasis> >(B)+rot90(unitVector(derivative(B)))*(rad); + Geom::Path p0 = path_from_piecewise(offset_curve0, 0.1)[0]; + Geom::Path p1 = path_from_piecewise(offset_curve1, 0.1)[0]; + Geom::Crossings cs = Geom::crossings(p0, p1); + if(cs.size() > 0){ + Point cp =p0(cs[0].ta); + double p0pt = nearest_point(cp, B); + len = time_to_len(index,p0pt); + } else { + if(rad < 0){ + len = rad_to_len(index, rad * -1); + } + } + return len; +} + +double FilletChamferPointArrayParam::len_to_rad(int index, double len) +{ + double rad = 0; + double tmp_len = _vector[index][X]; + _vector[index] = Geom::Point(len,_vector[index][Y]); + std::vector<Geom::Path> subpaths = path_from_piecewise(last_pwd2, 0.1); + std::pair<std::size_t, std::size_t> positions = get_positions(index, subpaths); + Piecewise<D2<SBasis> > u; + u.push_cut(0); + u.push(last_pwd2[last_index(index, subpaths)], 1); + Geom::Curve * A = path_from_piecewise(u, 0.1)[0][0].duplicate(); + Geom::Curve * B = subpaths[positions.first][positions.second].duplicate(); + std::vector<double> times; + if(positions.second != 0){ + A = subpaths[positions.first][positions.second-1].duplicate(); + times = get_times(index-1, subpaths, false); + }else{ + if(!subpaths[positions.first].closed()){ + return rad; + } + times = get_times(last_index(index, subpaths), subpaths, true); + } + _vector[index] = Geom::Point(tmp_len,_vector[index][Y]); + Geom::Point startArcPoint = A->toSBasis().valueAt(times[1]); + Geom::Point endArcPoint = B->toSBasis().valueAt(times[2]); + Curve *knotCurve1 = A->portion(times[0], times[1]); + Curve *knotCurve2 = B->portion(times[2], 1); + Geom::CubicBezier const *cubic1 = dynamic_cast<Geom::CubicBezier const *>(&*knotCurve1); + Ray ray1(startArcPoint, A->finalPoint()); + if (cubic1) { + ray1.setPoints((*cubic1)[2], startArcPoint); + } + Geom::CubicBezier const *cubic2 = dynamic_cast<Geom::CubicBezier const *>(&*knotCurve2); + Ray ray2(B->initialPoint(), endArcPoint); + if (cubic2) { + ray2.setPoints(endArcPoint, (*cubic2)[1]); + } + bool ccwToggle = cross(A->finalPoint() - startArcPoint, endArcPoint - startArcPoint) < 0; + double distanceArc = Geom::distance(startArcPoint,middle_point(startArcPoint,endArcPoint)); + double angleBetween = angle_between(ray1, ray2, ccwToggle); + rad = distanceArc/sin(angleBetween/2.0); + return rad * -1; +} + +std::vector<double> FilletChamferPointArrayParam::get_times(int index, std::vector<Geom::Path> subpaths, bool last) +{ + const double tolerance = 0.001; + const double gapHelper = 0.00001; + std::pair<std::size_t, std::size_t> positions = get_positions(index, subpaths); + Curve *curve_it1; + curve_it1 = subpaths[positions.first][positions.second].duplicate(); + Coord it1_length = (*curve_it1).length(tolerance); + double time_it1, time_it2, time_it1_B, intpart; + time_it1 = modf(to_time(index, _vector[index][X]), &intpart); + if (_vector[index][Y] == 0) { + time_it1 = 0; + } + double resultLenght = 0; + time_it1_B = 1; + if (subpaths[positions.first].closed() && last) { + time_it2 = modf(to_time(index - positions.second , _vector[index - positions.second ][X]), &intpart); + resultLenght = it1_length + to_len(index - positions.second, _vector[index - positions.second ][X]); + } else if (!subpaths[positions.first].closed() && last){ + time_it2 = 0; + resultLenght = 0; + } else { + time_it2 = modf(to_time(index + 1, _vector[index + 1][X]), &intpart); + resultLenght = it1_length + to_len( index + 1, _vector[index + 1][X]); + } + if (resultLenght > 0 && time_it2 != 0) { + time_it1_B = modf(to_time(index, -resultLenght), &intpart); + } else { + if (time_it2 == 0) { + time_it1_B = 1; + } else { + time_it1_B = gapHelper; + } + } + + if ((subpaths[positions.first].closed() && last && _vector[index - positions.second][Y] == 0) || (subpaths[positions.first].size() > positions.second + 1 && _vector[index + 1][Y] == 0)) { + time_it1_B = 1; + time_it2 = 0; + } + if (time_it1_B < time_it1) { + time_it1_B = time_it1 + gapHelper; + } + std::vector<double> out; + out.push_back(time_it1); + out.push_back(time_it1_B); + out.push_back(time_it2); + return out; +} + +std::pair<std::size_t, std::size_t> FilletChamferPointArrayParam::get_positions(int index, std::vector<Geom::Path> subpaths) +{ + int counter = -1; + std::size_t first = 0; + std::size_t second = 0; + for (PathVector::const_iterator path_it = subpaths.begin(); path_it != subpaths.end(); ++path_it) { + if (path_it->empty()) + continue; + Geom::Path::const_iterator curve_it1 = 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(); + } + } + first++; + second = 0; + while (curve_it1 != curve_endit) { + counter++; + second++; + if(counter == index){ + break; + } + ++curve_it1; + } + if(counter == index){ + break; + } + } + first--; + second--; + std::pair<std::size_t, std::size_t> out(first, second); + return out; +} + +int FilletChamferPointArrayParam::last_index(int index, std::vector<Geom::Path> subpaths) +{ + int counter = -1; + bool inSubpath = false; + for (PathVector::const_iterator path_it = subpaths.begin(); path_it != subpaths.end(); ++path_it) { + if (path_it->empty()) + continue; + Geom::Path::const_iterator curve_it1 = 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(); + if (are_near(closingline.initialPoint(), closingline.finalPoint())) { + curve_endit = path_it->end_open(); + } + } + while (curve_it1 != curve_endit) { + counter++; + if(counter == index){ + inSubpath = true; + } + ++curve_it1; + } + if(inSubpath){ + break; + } + } + if(!inSubpath){ + counter = -1; + } + return counter; +} + + double FilletChamferPointArrayParam::len_to_time(int index, double len) { double t = 0; @@ -405,7 +619,7 @@ double FilletChamferPointArrayParam::len_to_time(int index, double len) if (len != 0) { if (last_pwd2[index][0].degreesOfFreedom() != 2) { Piecewise<D2<SBasis> > u; - u.push_cut(0); + u.push_cut(0); u.push(last_pwd2[index], 1); std::vector<double> t_roots = roots(arcLengthSb(u) - std::abs(len)); if (t_roots.size() > 0) { @@ -586,34 +800,34 @@ void FilletChamferPointArrayParamKnotHolderEntity::knot_click(guint state) this->knot->tip = g_strdup(tip); this->knot->show(); } - } else if ((state & GDK_MOD1_MASK) || (state & GDK_SHIFT_MASK)) { - Geom::Point offset = Geom::Point(_pparam->_vector.at(_index).x(), - _pparam->_vector.at(_index).y()); + } else if (state & GDK_SHIFT_MASK) { + double xModified = _pparam->_vector.at(_index).x(); + if(xModified < 0 && !_pparam->use_distance){ + xModified = _pparam->len_to_rad(_index, _pparam->_vector.at(_index).x()); + } + std::vector<Geom::Path> subpaths = path_from_piecewise(_pparam->last_pwd2, 0.1); + std::pair<std::size_t, std::size_t> positions = _pparam->get_positions(_index, subpaths); + D2<SBasis> A = _pparam->last_pwd2[_pparam->last_index(_index, subpaths)]; + if(positions.second != 0){ + A = _pparam->last_pwd2[_index-1]; + } + D2<SBasis> B = _pparam->last_pwd2[_index]; + bool aprox = (A[0].degreesOfFreedom() != 2 || B[0].degreesOfFreedom() != 2) && !_pparam->use_distance?true:false; + Geom::Point offset = Geom::Point(xModified, _pparam->_vector.at(_index).y()); Inkscape::UI::Dialogs::FilletChamferPropertiesDialog::showDialog( - this->desktop, offset, this, _pparam->unit); + this->desktop, offset, this, _pparam->unit, _pparam->use_distance, aprox); } } -void -FilletChamferPointArrayParamKnotHolderEntity::knot_doubleclicked(guint state) -{ - //todo: fill the double click dialog whith this parameters in the added file - //src/ui/dialog/lpe-fillet-chamfer-properties.cpp(.h) - //My idea for when have enought time is: - //label whith radius in percent - //label whith radius in size -maybe handle units- - //entry whith actual radius -in flexible % mode or fixed -?px- - //2 radio options to switch entry from fixed or flexible, also update the - //entry - //Checkbox or two radios to swith fillet or chamfer - -} - void FilletChamferPointArrayParamKnotHolderEntity::knot_set_offset( Geom::Point offset) { - _pparam->_vector.at(_index) = Geom::Point(offset.x(), offset.y()); + double xModified = offset.x(); + if(xModified < 0 && !_pparam->use_distance){ + xModified = _pparam->rad_to_len(_index, offset.x()); + } + _pparam->_vector.at(_index) = Geom::Point(xModified, offset.y()); this->parent_holder->knot_ungrabbed_handler(this->knot, 0); } @@ -644,7 +858,6 @@ void FilletChamferPointArrayParam::addKnotHolderEntities(KnotHolder *knotholder, "<b>Shift+Click</b> open dialog, " "<b>Ctrl+Alt+Click</b> reset"); } - FilletChamferPointArrayParamKnotHolderEntity *e = new FilletChamferPointArrayParamKnotHolderEntity(this, i); e->create(desktop, item, knotholder, Inkscape::CTRL_TYPE_UNKNOWN, _(tip), |