diff options
Diffstat (limited to '')
| -rw-r--r-- | src/live_effects/lpe-lattice2.cpp | 679 |
1 files changed, 679 insertions, 0 deletions
diff --git a/src/live_effects/lpe-lattice2.cpp b/src/live_effects/lpe-lattice2.cpp new file mode 100644 index 0000000..3565285 --- /dev/null +++ b/src/live_effects/lpe-lattice2.cpp @@ -0,0 +1,679 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** \file + * LPE <lattice2> implementation + + */ +/* + * Authors: + * Johan Engelen <j.b.c.engelen@utwente.nl> + * Steren Giannini + * No� Falzon + * Victor Navez + * ~suv + * Jabiertxo Arraiza + * + * Copyright (C) 2007-2008 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#include <gtkmm.h> +#include "live_effects/lpe-lattice2.h" +#include "display/curve.h" +#include "helper/geom.h" +#include <2geom/sbasis-2d.h> +#include <2geom/bezier-to-sbasis.h> + +// TODO due to internal breakage in glibmm headers, this must be last: +#include <glibmm/i18n.h> + +using namespace Geom; + +namespace Inkscape { +namespace LivePathEffect { + +LPELattice2::LPELattice2(LivePathEffectObject *lpeobject) : + Effect(lpeobject), + horizontal_mirror(_("Mirror movements in horizontal"), _("Mirror movements in horizontal"), "horizontal_mirror", &wr, this, false), + vertical_mirror(_("Mirror movements in vertical"), _("Mirror movements in vertical"), "vertical_mirror", &wr, this, false), + perimetral(_("Use only perimeter"), _("Use only perimeter"), "perimetral", &wr, this, false), + live_update(_("Update while moving knots (maybe slow)"), _("Update while moving knots (maybe slow)"), "live_update", &wr, this, true), + grid_point_0(_("Control 0:"), _("Control 0 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint0", &wr, this), + grid_point_1(_("Control 1:"), _("Control 1 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint1", &wr, this), + grid_point_2(_("Control 2:"), _("Control 2 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint2", &wr, this), + grid_point_3(_("Control 3:"), _("Control 3 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint3", &wr, this), + grid_point_4(_("Control 4:"), _("Control 4 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint4", &wr, this), + grid_point_5(_("Control 5:"), _("Control 5 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint5", &wr, this), + grid_point_6(_("Control 6:"), _("Control 6 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint6", &wr, this), + grid_point_7(_("Control 7:"), _("Control 7 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint7", &wr, this), + grid_point_8x9(_("Control 8x9:"), _("Control 8x9 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint8x9", &wr, this), + grid_point_10x11(_("Control 10x11:"), _("Control 10x11 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint10x11", &wr, this), + grid_point_12(_("Control 12:"), _("Control 12 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint12", &wr, this), + grid_point_13(_("Control 13:"), _("Control 13 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint13", &wr, this), + grid_point_14(_("Control 14:"), _("Control 14 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint14", &wr, this), + grid_point_15(_("Control 15:"), _("Control 15 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint15", &wr, this), + grid_point_16(_("Control 16:"), _("Control 16 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint16", &wr, this), + grid_point_17(_("Control 17:"), _("Control 17 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint17", &wr, this), + grid_point_18(_("Control 18:"), _("Control 18 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint18", &wr, this), + grid_point_19(_("Control 19:"), _("Control 19 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint19", &wr, this), + grid_point_20x21(_("Control 20x21:"), _("Control 20x21 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint20x21", &wr, this), + grid_point_22x23(_("Control 22x23:"), _("Control 22x23 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint22x23", &wr, this), + grid_point_24x26(_("Control 24x26:"), _("Control 24x26 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint24x26", &wr, this), + grid_point_25x27(_("Control 25x27:"), _("Control 25x27 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint25x27", &wr, this), + grid_point_28x30(_("Control 28x30:"), _("Control 28x30 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint28x30", &wr, this), + grid_point_29x31(_("Control 29x31:"), _("Control 29x31 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint29x31", &wr, this), + grid_point_32x33x34x35(_("Control 32x33x34x35:"), _("Control 32x33x34x35 - <b>Ctrl+Alt+Click</b>: reset, <b>Ctrl</b>: move along axes"), "gridpoint32x33x34x35", &wr, this), + expanded(false) +{ + // register all your parameters here, so Inkscape knows which parameters this effect has: + registerParameter(&horizontal_mirror); + registerParameter(&vertical_mirror); + registerParameter(&perimetral); + registerParameter(&live_update); + registerParameter(&grid_point_0); + registerParameter(&grid_point_1); + registerParameter(&grid_point_2); + registerParameter(&grid_point_3); + registerParameter(&grid_point_4); + registerParameter(&grid_point_5); + registerParameter(&grid_point_6); + registerParameter(&grid_point_7); + registerParameter(&grid_point_8x9); + registerParameter(&grid_point_10x11); + registerParameter(&grid_point_12); + registerParameter(&grid_point_13); + registerParameter(&grid_point_14); + registerParameter(&grid_point_15); + registerParameter(&grid_point_16); + registerParameter(&grid_point_17); + registerParameter(&grid_point_18); + registerParameter(&grid_point_19); + registerParameter(&grid_point_20x21); + registerParameter(&grid_point_22x23); + registerParameter(&grid_point_24x26); + registerParameter(&grid_point_25x27); + registerParameter(&grid_point_28x30); + registerParameter(&grid_point_29x31); + registerParameter(&grid_point_32x33x34x35); + apply_to_clippath_and_mask = true; +} + +LPELattice2::~LPELattice2() += default; + +Geom::Piecewise<Geom::D2<Geom::SBasis> > +LPELattice2::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) +{ + PathVector pathv = path_from_piecewise(pwd2_in,0.001); + //this is because strange problems with sb2 and LineSegment + PathVector cubic = pathv_to_cubicbezier(pathv); + if (cubic.empty()) { + return pwd2_in; + } + Geom::Piecewise<Geom::D2<Geom::SBasis> > const &pwd2_in_linear_and_cubic = paths_to_pw(cubic); + D2<SBasis2d> sb2; + + //Initialisation of the sb2 + for(unsigned dim = 0; dim < 2; dim++) { + sb2[dim].us = 3; + sb2[dim].vs = 3; + const int depth = sb2[dim].us*sb2[dim].vs; + sb2[dim].resize(depth, Linear2d(0)); + } + + //Grouping the point params in a convenient vector + + std::vector<Geom::Point > handles(36); + + handles[0] = grid_point_0; + handles[1] = grid_point_1; + handles[2] = grid_point_2; + handles[3] = grid_point_3; + handles[4] = grid_point_4; + handles[5] = grid_point_5; + handles[6] = grid_point_6; + handles[7] = grid_point_7; + handles[8] = grid_point_8x9; + handles[9] = grid_point_8x9; + handles[10] = grid_point_10x11; + handles[11] = grid_point_10x11; + handles[12] = grid_point_12; + handles[13] = grid_point_13; + handles[14] = grid_point_14; + handles[15] = grid_point_15; + handles[16] = grid_point_16; + handles[17] = grid_point_17; + handles[18] = grid_point_18; + handles[19] = grid_point_19; + handles[20] = grid_point_20x21; + handles[21] = grid_point_20x21; + handles[22] = grid_point_22x23; + handles[23] = grid_point_22x23; + handles[24] = grid_point_24x26; + handles[25] = grid_point_25x27; + handles[26] = grid_point_24x26; + handles[27] = grid_point_25x27; + handles[28] = grid_point_28x30; + handles[29] = grid_point_29x31; + handles[30] = grid_point_28x30; + handles[31] = grid_point_29x31; + handles[32] = grid_point_32x33x34x35; + handles[33] = grid_point_32x33x34x35; + handles[34] = grid_point_32x33x34x35; + handles[35] = grid_point_32x33x34x35; + + Geom::Point origin = Geom::Point(boundingbox_X.min(),boundingbox_Y.min()); + + double width = boundingbox_X.extent(); + double height = boundingbox_Y.extent(); + + //numbering is based on 4 rectangles.16 + for(unsigned dim = 0; dim < 2; dim++) { + Geom::Point dir(0,0); + dir[dim] = 1; + for(unsigned vi = 0; vi < sb2[dim].vs; vi++) { + for(unsigned ui = 0; ui < sb2[dim].us; ui++) { + for(unsigned iv = 0; iv < 2; iv++) { + for(unsigned iu = 0; iu < 2; iu++) { + unsigned corner = iu + 2*iv; + unsigned i = ui + vi*sb2[dim].us; + + //This is the offset from the Upperleft point + Geom::Point base( (ui + iu*(4-2*ui))*width/4., + (vi + iv*(4-2*vi))*height/4.); + + //Special action for corners + if(vi == 0 && ui == 0) { + base = Geom::Point(0,0); + } + + // i = Upperleft corner of the considerated rectangle + // corner = actual corner of the rectangle + // origin = Upperleft point + double dl = dot((handles[corner+4*i] - (base + origin)), dir)/dot(dir,dir); + sb2[dim][i][corner] = dl/( dim ? height : width )*pow(4.0,ui+vi); + } + } + } + } + } + + Piecewise<D2<SBasis> > output; + output.push_cut(0.); + for(unsigned i = 0; i < pwd2_in_linear_and_cubic.size(); i++) { + D2<SBasis> B = pwd2_in_linear_and_cubic[i]; + B[Geom::X] -= origin[Geom::X]; + B[Geom::X]*= 1/width; + B[Geom::Y] -= origin[Geom::Y]; + B[Geom::Y]*= 1/height; + //Here comes the magic + D2<SBasis> tB = compose_each(sb2,B); + tB[Geom::X] = tB[Geom::X] * width + origin[Geom::X]; + tB[Geom::Y] = tB[Geom::Y] * height + origin[Geom::Y]; + + output.push(tB,i+1); + } + return output; +} + + +Gtk::Widget * +LPELattice2::newWidget() +{ + // use manage here, because after deletion of Effect object, others might still be pointing to this widget. + Gtk::Box *vbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL)); + + vbox->set_border_width(5); + vbox->set_homogeneous(false); + vbox->set_spacing(6); + Gtk::Box * hbox = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL,0)); + Gtk::Box *vbox_expander = Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_VERTICAL)); + vbox_expander->set_border_width(0); + vbox_expander->set_spacing(2); + Gtk::Button * reset_button = Gtk::manage(new Gtk::Button(Glib::ustring(_("Reset grid")))); + reset_button->signal_clicked().connect(sigc::mem_fun (*this,&LPELattice2::resetGrid)); + reset_button->set_size_request(140,30); + vbox->pack_start(*hbox, true,true,2); + hbox->pack_start(*reset_button, false, false,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 = dynamic_cast<Gtk::Widget *>(param->param_newWidget()); + if(param->param_key == "grid") { + widg = nullptr; + } + Glib::ustring * tip = param->param_getTooltip(); + if (widg) { + if (param->param_key == "horizontal_mirror" || + param->param_key == "vertical_mirror" || + param->param_key == "live_update" || + param->param_key == "perimetral") + { + vbox->pack_start(*widg, true, true, 2); + } else { + vbox_expander->pack_start(*widg, true, true, 2); + } + if (tip) { + widg->set_tooltip_text(*tip); + } else { + widg->set_tooltip_text(""); + widg->set_has_tooltip(false); + } + } + } + + ++it; + } + + expander = Gtk::manage(new Gtk::Expander(Glib::ustring(_("Show Points")))); + expander->add(*vbox_expander); + expander->set_expanded(expanded); + vbox->pack_start(*expander, true, true, 2); + expander->property_expanded().signal_changed().connect(sigc::mem_fun(*this, &LPELattice2::onExpanderChanged) ); + if(Gtk::Widget* widg = defaultParamSet()) { + vbox->pack_start(*widg, true, true, 2); + } + return dynamic_cast<Gtk::Widget *>(vbox); +} + +void +LPELattice2::onExpanderChanged() +{ + expanded = expander->get_expanded(); + if(expanded) { + expander->set_label (Glib::ustring(_("Hide Points"))); + } else { + expander->set_label (Glib::ustring(_("Show Points"))); + } +} +void +LPELattice2::vertical(PointParam ¶m_one, PointParam ¶m_two, Geom::Line vert) +{ + Geom::Point A = param_one; + Geom::Point B = param_two; + double Y = (A[Geom::Y] + B[Geom::Y])/2; + A[Geom::Y] = Y; + B[Geom::Y] = Y; + Geom::Point nearest = vert.pointAt(vert.nearestTime(A)); + double distance_one = Geom::distance(A,nearest); + double distance_two = Geom::distance(B,nearest); + double distance_middle = (distance_one + distance_two)/2; + if(A[Geom::X] > B[Geom::X]) { + distance_middle *= -1; + } + A[Geom::X] = nearest[Geom::X] - distance_middle; + B[Geom::X] = nearest[Geom::X] + distance_middle; + param_one.param_setValue(A, live_update); + param_two.param_setValue(B, live_update); +} + +void +LPELattice2::horizontal(PointParam ¶m_one, PointParam ¶m_two, Geom::Line horiz) +{ + Geom::Point A = param_one; + Geom::Point B = param_two; + double X = (A[Geom::X] + B[Geom::X])/2; + A[Geom::X] = X; + B[Geom::X] = X; + Geom::Point nearest = horiz.pointAt(horiz.nearestTime(A)); + double distance_one = Geom::distance(A,nearest); + double distance_two = Geom::distance(B,nearest); + double distance_middle = (distance_one + distance_two)/2; + if(A[Geom::Y] > B[Geom::Y]) { + distance_middle *= -1; + } + A[Geom::Y] = nearest[Geom::Y] - distance_middle; + B[Geom::Y] = nearest[Geom::Y] + distance_middle; + param_one.param_setValue(A, live_update); + param_two.param_setValue(B, live_update); +} + + +void +LPELattice2::doBeforeEffect (SPLPEItem const* lpeitem) +{ + original_bbox(lpeitem, false, true); + setDefaults(); + if (is_applied) { + resetGrid(); + } + Geom::Line vert(grid_point_8x9.param_get_default(),grid_point_10x11.param_get_default()); + Geom::Line horiz(grid_point_24x26.param_get_default(),grid_point_25x27.param_get_default()); + if(vertical_mirror) { + vertical(grid_point_0, grid_point_1,vert); + vertical(grid_point_2, grid_point_3,vert); + vertical(grid_point_4, grid_point_5,vert); + vertical(grid_point_6, grid_point_7,vert); + vertical(grid_point_12, grid_point_13,vert); + vertical(grid_point_14, grid_point_15,vert); + vertical(grid_point_16, grid_point_17,vert); + vertical(grid_point_18, grid_point_19,vert); + vertical(grid_point_24x26, grid_point_25x27,vert); + vertical(grid_point_28x30, grid_point_29x31,vert); + } + if(horizontal_mirror) { + horizontal(grid_point_0, grid_point_2,horiz); + horizontal(grid_point_1, grid_point_3,horiz); + horizontal(grid_point_4, grid_point_6,horiz); + horizontal(grid_point_5, grid_point_7,horiz); + horizontal(grid_point_8x9, grid_point_10x11,horiz); + horizontal(grid_point_12, grid_point_14,horiz); + horizontal(grid_point_13, grid_point_15,horiz); + horizontal(grid_point_16, grid_point_18,horiz); + horizontal(grid_point_17, grid_point_19,horiz); + horizontal(grid_point_20x21, grid_point_22x23,horiz); + } + if (perimetral) { + grid_point_16.param_hide_knot(true); + grid_point_20x21.param_hide_knot(true); + grid_point_17.param_hide_knot(true); + grid_point_28x30.param_hide_knot(true); + grid_point_32x33x34x35.param_hide_knot(true); + grid_point_29x31.param_hide_knot(true); + grid_point_18.param_hide_knot(true); + grid_point_22x23.param_hide_knot(true); + grid_point_19.param_hide_knot(true); + grid_point_16.param_set_default(); + grid_point_20x21.param_set_default(); + grid_point_17.param_set_default(); + grid_point_28x30.param_set_default(); + grid_point_32x33x34x35.param_set_default(); + grid_point_29x31.param_set_default(); + grid_point_18.param_set_default(); + grid_point_22x23.param_set_default(); + grid_point_19.param_set_default(); + } else { + grid_point_16.param_hide_knot(false); + grid_point_20x21.param_hide_knot(false); + grid_point_17.param_hide_knot(false); + grid_point_28x30.param_hide_knot(false); + grid_point_32x33x34x35.param_hide_knot(false); + grid_point_29x31.param_hide_knot(false); + grid_point_18.param_hide_knot(false); + grid_point_22x23.param_hide_knot(false); + grid_point_19.param_hide_knot(false); + } +} + +void +LPELattice2::setDefaults() +{ + Geom::Point gp0((boundingbox_X.max()-boundingbox_X.min())/4*0+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*0+boundingbox_Y.min()); + + Geom::Point gp1((boundingbox_X.max()-boundingbox_X.min())/4*4+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*0+boundingbox_Y.min()); + + Geom::Point gp2((boundingbox_X.max()-boundingbox_X.min())/4*0+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*4+boundingbox_Y.min()); + + Geom::Point gp3((boundingbox_X.max()-boundingbox_X.min())/4*4+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*4+boundingbox_Y.min()); + + Geom::Point gp4((boundingbox_X.max()-boundingbox_X.min())/4*1+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*0+boundingbox_Y.min()); + + Geom::Point gp5((boundingbox_X.max()-boundingbox_X.min())/4*3+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*0+boundingbox_Y.min()); + + Geom::Point gp6((boundingbox_X.max()-boundingbox_X.min())/4*1+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*4+boundingbox_Y.min()); + + Geom::Point gp7((boundingbox_X.max()-boundingbox_X.min())/4*3+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*4+boundingbox_Y.min()); + + Geom::Point gp8x9((boundingbox_X.max()-boundingbox_X.min())/4*2+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*0+boundingbox_Y.min()); + + Geom::Point gp10x11((boundingbox_X.max()-boundingbox_X.min())/4*2+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*4+boundingbox_Y.min()); + + Geom::Point gp12((boundingbox_X.max()-boundingbox_X.min())/4*0+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*1+boundingbox_Y.min()); + + Geom::Point gp13((boundingbox_X.max()-boundingbox_X.min())/4*4+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*1+boundingbox_Y.min()); + + Geom::Point gp14((boundingbox_X.max()-boundingbox_X.min())/4*0+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*3+boundingbox_Y.min()); + + Geom::Point gp15((boundingbox_X.max()-boundingbox_X.min())/4*4+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*3+boundingbox_Y.min()); + + Geom::Point gp16((boundingbox_X.max()-boundingbox_X.min())/4*1+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*1+boundingbox_Y.min()); + + Geom::Point gp17((boundingbox_X.max()-boundingbox_X.min())/4*3+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*1+boundingbox_Y.min()); + + Geom::Point gp18((boundingbox_X.max()-boundingbox_X.min())/4*1+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*3+boundingbox_Y.min()); + + Geom::Point gp19((boundingbox_X.max()-boundingbox_X.min())/4*3+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*3+boundingbox_Y.min()); + + Geom::Point gp20x21((boundingbox_X.max()-boundingbox_X.min())/4*2+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*1+boundingbox_Y.min()); + + Geom::Point gp22x23((boundingbox_X.max()-boundingbox_X.min())/4*2+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*3+boundingbox_Y.min()); + + Geom::Point gp24x26((boundingbox_X.max()-boundingbox_X.min())/4*0+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*2+boundingbox_Y.min()); + + Geom::Point gp25x27((boundingbox_X.max()-boundingbox_X.min())/4*4+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*2+boundingbox_Y.min()); + + Geom::Point gp28x30((boundingbox_X.max()-boundingbox_X.min())/4*1+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*2+boundingbox_Y.min()); + + Geom::Point gp29x31((boundingbox_X.max()-boundingbox_X.min())/4*3+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*2+boundingbox_Y.min()); + + Geom::Point gp32x33x34x35((boundingbox_X.max()-boundingbox_X.min())/4*2+boundingbox_X.min(), + (boundingbox_Y.max()-boundingbox_Y.min())/4*2+boundingbox_Y.min()); + + grid_point_0.param_update_default(gp0); + grid_point_1.param_update_default(gp1); + grid_point_2.param_update_default(gp2); + grid_point_3.param_update_default(gp3); + grid_point_4.param_update_default(gp4); + grid_point_5.param_update_default(gp5); + grid_point_6.param_update_default(gp6); + grid_point_7.param_update_default(gp7); + grid_point_8x9.param_update_default(gp8x9); + grid_point_10x11.param_update_default(gp10x11); + grid_point_12.param_update_default(gp12); + grid_point_13.param_update_default(gp13); + grid_point_14.param_update_default(gp14); + grid_point_15.param_update_default(gp15); + grid_point_16.param_update_default(gp16); + grid_point_17.param_update_default(gp17); + grid_point_18.param_update_default(gp18); + grid_point_19.param_update_default(gp19); + grid_point_20x21.param_update_default(gp20x21); + grid_point_22x23.param_update_default(gp22x23); + grid_point_24x26.param_update_default(gp24x26); + grid_point_25x27.param_update_default(gp25x27); + grid_point_28x30.param_update_default(gp28x30); + grid_point_29x31.param_update_default(gp29x31); + grid_point_32x33x34x35.param_update_default(gp32x33x34x35); + grid_point_0.param_set_liveupdate(live_update); + grid_point_1.param_set_liveupdate(live_update); + grid_point_2.param_set_liveupdate(live_update); + grid_point_3.param_set_liveupdate(live_update); + grid_point_4.param_set_liveupdate(live_update); + grid_point_5.param_set_liveupdate(live_update); + grid_point_6.param_set_liveupdate(live_update); + grid_point_7.param_set_liveupdate(live_update); + grid_point_8x9.param_set_liveupdate(live_update); + grid_point_10x11.param_set_liveupdate(live_update); + grid_point_12.param_set_liveupdate(live_update); + grid_point_13.param_set_liveupdate(live_update); + grid_point_14.param_set_liveupdate(live_update); + grid_point_15.param_set_liveupdate(live_update); + grid_point_16.param_set_liveupdate(live_update); + grid_point_17.param_set_liveupdate(live_update); + grid_point_18.param_set_liveupdate(live_update); + grid_point_19.param_set_liveupdate(live_update); + grid_point_20x21.param_set_liveupdate(live_update); + grid_point_22x23.param_set_liveupdate(live_update); + grid_point_24x26.param_set_liveupdate(live_update); + grid_point_25x27.param_set_liveupdate(live_update); + grid_point_28x30.param_set_liveupdate(live_update); + grid_point_29x31.param_set_liveupdate(live_update); + grid_point_32x33x34x35.param_set_liveupdate(live_update); +} + +void +LPELattice2::resetGrid() +{ + grid_point_0.param_set_default(); + grid_point_1.param_set_default(); + grid_point_2.param_set_default(); + grid_point_3.param_set_default(); + grid_point_4.param_set_default(); + grid_point_5.param_set_default(); + grid_point_6.param_set_default(); + grid_point_7.param_set_default(); + grid_point_8x9.param_set_default(); + grid_point_10x11.param_set_default(); + grid_point_12.param_set_default(); + grid_point_13.param_set_default(); + grid_point_14.param_set_default(); + grid_point_15.param_set_default(); + grid_point_16.param_set_default(); + grid_point_17.param_set_default(); + grid_point_18.param_set_default(); + grid_point_19.param_set_default(); + grid_point_20x21.param_set_default(); + grid_point_22x23.param_set_default(); + grid_point_24x26.param_set_default(); + grid_point_25x27.param_set_default(); + grid_point_28x30.param_set_default(); + grid_point_29x31.param_set_default(); + grid_point_32x33x34x35.param_set_default(); +} + +void +LPELattice2::resetDefaults(SPItem const* item) +{ + Effect::resetDefaults(item); + original_bbox(SP_LPE_ITEM(item), false, true); + setDefaults(); + resetGrid(); +} + +void +LPELattice2::calculateCurve(Geom::Point a,Geom::Point b, SPCurve* c, bool horizontal, bool move) +{ + using Geom::X; + using Geom::Y; + if(move) c->moveto(a); + Geom::Point cubic1 = a + (1./3)* (b - a); + Geom::Point cubic2 = b + (1./3)* (a - b); + if(horizontal) c->curveto(Geom::Point(cubic1[X],a[Y]),Geom::Point(cubic2[X],b[Y]),b); + else c->curveto(Geom::Point(a[X],cubic1[Y]),Geom::Point(b[X],cubic2[Y]),b); +} + +void +LPELattice2::addCanvasIndicators(SPLPEItem const */*lpeitem*/, std::vector<Geom::PathVector> &hp_vec) +{ + hp_vec.clear(); + + SPCurve *c = new SPCurve(); + if (perimetral) { + calculateCurve(grid_point_0,grid_point_4, c,true, true); + calculateCurve(grid_point_4,grid_point_8x9, c,true, false); + calculateCurve(grid_point_8x9,grid_point_5, c,true, false); + calculateCurve(grid_point_5,grid_point_1, c,true, false); + + calculateCurve(grid_point_1,grid_point_13, c, false, true); + calculateCurve(grid_point_13,grid_point_25x27, c,false, false); + calculateCurve(grid_point_25x27,grid_point_15, c,false, false); + calculateCurve(grid_point_15,grid_point_3, c, false, false); + + calculateCurve(grid_point_2,grid_point_6, c,true, true); + calculateCurve(grid_point_6,grid_point_10x11, c,true, false); + calculateCurve(grid_point_10x11,grid_point_7, c,true, false); + calculateCurve(grid_point_7,grid_point_3, c,true, false); + + calculateCurve(grid_point_0,grid_point_12, c,false, true); + calculateCurve(grid_point_12,grid_point_24x26, c,false, false); + calculateCurve(grid_point_24x26,grid_point_14, c,false, false); + calculateCurve(grid_point_14,grid_point_2, c,false, false); + + } else { + calculateCurve(grid_point_0,grid_point_4, c,true, true); + calculateCurve(grid_point_4,grid_point_8x9, c,true, false); + calculateCurve(grid_point_8x9,grid_point_5, c,true, false); + calculateCurve(grid_point_5,grid_point_1, c,true, false); + + calculateCurve(grid_point_12,grid_point_16, c,true, true); + calculateCurve(grid_point_16,grid_point_20x21, c,true, false); + calculateCurve(grid_point_20x21,grid_point_17, c,true, false); + calculateCurve(grid_point_17,grid_point_13, c,true, false); + + calculateCurve(grid_point_24x26,grid_point_28x30, c,true, true); + calculateCurve(grid_point_28x30,grid_point_32x33x34x35, c,true, false); + calculateCurve(grid_point_32x33x34x35,grid_point_29x31, c,true, false); + calculateCurve(grid_point_29x31,grid_point_25x27, c,true, false); + + calculateCurve(grid_point_14,grid_point_18, c,true, true); + calculateCurve(grid_point_18,grid_point_22x23, c,true, false); + calculateCurve(grid_point_22x23,grid_point_19, c,true, false); + calculateCurve(grid_point_19,grid_point_15, c,true, false); + + calculateCurve(grid_point_2,grid_point_6, c,true, true); + calculateCurve(grid_point_6,grid_point_10x11, c,true, false); + calculateCurve(grid_point_10x11,grid_point_7, c,true, false); + calculateCurve(grid_point_7,grid_point_3, c,true, false); + + calculateCurve(grid_point_0,grid_point_12, c,false, true); + calculateCurve(grid_point_12,grid_point_24x26, c,false, false); + calculateCurve(grid_point_24x26,grid_point_14, c,false, false); + calculateCurve(grid_point_14,grid_point_2, c,false, false); + + calculateCurve(grid_point_4,grid_point_16, c,false, true); + calculateCurve(grid_point_16,grid_point_28x30, c,false, false); + calculateCurve(grid_point_28x30,grid_point_18, c,false, false); + calculateCurve(grid_point_18,grid_point_6, c,false, false); + + calculateCurve(grid_point_8x9,grid_point_20x21, c,false, true); + calculateCurve(grid_point_20x21,grid_point_32x33x34x35, c,false, false); + calculateCurve(grid_point_32x33x34x35,grid_point_22x23, c,false, false); + calculateCurve(grid_point_22x23,grid_point_10x11, c,false, false); + + calculateCurve(grid_point_5,grid_point_17, c, false, true); + calculateCurve(grid_point_17,grid_point_29x31, c,false, false); + calculateCurve(grid_point_29x31,grid_point_19, c,false, false); + calculateCurve(grid_point_19,grid_point_7, c,false, false); + + calculateCurve(grid_point_1,grid_point_13, c, false, true); + calculateCurve(grid_point_13,grid_point_25x27, c,false, false); + calculateCurve(grid_point_25x27,grid_point_15, c,false, false); + calculateCurve(grid_point_15,grid_point_3, c, false, false); + } + hp_vec.push_back(c->get_pathvector()); +} + + +/* ######################## */ + +} //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 : |