/** \file * LPE implementation */ /* * Authors: * Johan Engelen * Steren Giannini * Noé Falzon * Victor Navez * ~suv * Jabiertxo Arraiza * * Copyright (C) 2007-2008 Authors * * Released under GNU GPL, read the file 'COPYING' for more information */ #include "live_effects/lpe-lattice2.h" #include "sp-shape.h" #include "sp-item.h" #include "sp-path.h" #include "display/curve.h" #include "svg/svg.h" #include <2geom/sbasis.h> #include <2geom/sbasis-2d.h> #include <2geom/sbasis-geometric.h> #include <2geom/bezier-to-sbasis.h> #include <2geom/sbasis-to-bezier.h> #include <2geom/d2.h> #include <2geom/piecewise.h> #include <2geom/transforms.h> #include #include "desktop.h" // TODO: should be factored out (see below) using namespace Geom; namespace Inkscape { namespace LivePathEffect { LPELattice2::LPELattice2(LivePathEffectObject *lpeobject) : Effect(lpeobject), // initialise your parameters here: grid_point0(_("Control handle 0:"), _("Control handle 0 - Ctrl+Alt+Click to reset"), "gridpoint0", &wr, this), grid_point1(_("Control handle 1:"), _("Control handle 1 - Ctrl+Alt+Click to reset"), "gridpoint1", &wr, this), grid_point2(_("Control handle 2:"), _("Control handle 2 - Ctrl+Alt+Click to reset"), "gridpoint2", &wr, this), grid_point3(_("Control handle 3:"), _("Control handle 3 - Ctrl+Alt+Click to reset"), "gridpoint3", &wr, this), grid_point4(_("Control handle 4:"), _("Control handle 4 - Ctrl+Alt+Click to reset"), "gridpoint4", &wr, this), grid_point5(_("Control handle 5:"), _("Control handle 5 - Ctrl+Alt+Click to reset"), "gridpoint5", &wr, this), grid_point6(_("Control handle 6:"), _("Control handle 6 - Ctrl+Alt+Click to reset"), "gridpoint6", &wr, this), grid_point7(_("Control handle 7:"), _("Control handle 7 - Ctrl+Alt+Click to reset"), "gridpoint7", &wr, this), grid_point8x9(_("Control handle 8x9:"), _("Control handle 8x9 - Ctrl+Alt+Click to reset"), "gridpoint8x9", &wr, this), grid_point10x11(_("Control handle 10x11:"), _("Control handle 10x11 - Ctrl+Alt+Click to reset"), "gridpoint10x11", &wr, this), grid_point12(_("Control handle 12:"), _("Control handle 12 - Ctrl+Alt+Click to reset"), "gridpoint12", &wr, this), grid_point13(_("Control handle 13:"), _("Control handle 13 - Ctrl+Alt+Click to reset"), "gridpoint13", &wr, this), grid_point14(_("Control handle 14:"), _("Control handle 14 - Ctrl+Alt+Click to reset"), "gridpoint14", &wr, this), grid_point15(_("Control handle 15:"), _("Control handle 15 - Ctrl+Alt+Click to reset"), "gridpoint15", &wr, this), grid_point16(_("Control handle 16:"), _("Control handle 16 - Ctrl+Alt+Click to reset"), "gridpoint16", &wr, this), grid_point17(_("Control handle 17:"), _("Control handle 17 - Ctrl+Alt+Click to reset"), "gridpoint17", &wr, this), grid_point18(_("Control handle 18:"), _("Control handle 18 - Ctrl+Alt+Click to reset"), "gridpoint18", &wr, this), grid_point19(_("Control handle 19:"), _("Control handle 19 - Ctrl+Alt+Click to reset"), "gridpoint19", &wr, this), grid_point20x21(_("Control handle 20x21:"), _("Control handle 20x21 - Ctrl+Alt+Click to reset"), "gridpoint20x21", &wr, this), grid_point22x23(_("Control handle 22x23:"), _("Control handle 22x23 - Ctrl+Alt+Click to reset"), "gridpoint22x23", &wr, this), grid_point24x26(_("Control handle 24x26:"), _("Control handle 24x26 - Ctrl+Alt+Click to reset"), "gridpoint24x26", &wr, this), grid_point25x27(_("Control handle 25x27:"), _("Control handle 25x27 - Ctrl+Alt+Click to reset"), "gridpoint25x27", &wr, this), grid_point28x30(_("Control handle 28x30:"), _("Control handle 28x30 - Ctrl+Alt+Click to reset"), "gridpoint28x30", &wr, this), grid_point29x31(_("Control handle 29x31:"), _("Control handle 29x31 - Ctrl+Alt+Click to reset"), "gridpoint29x31", &wr, this), grid_point32x33x34x35(_("Control handle 32x33x34x35:"), _("Control handle 32x33x34x35 - Ctrl+Alt+Click to reset"), "gridpoint32x33x34x35", &wr, this) { // register all your parameters here, so Inkscape knows which parameters this effect has: registerParameter( dynamic_cast(&grid_point0) ); registerParameter( dynamic_cast(&grid_point1) ); registerParameter( dynamic_cast(&grid_point2) ); registerParameter( dynamic_cast(&grid_point3) ); registerParameter( dynamic_cast(&grid_point4) ); registerParameter( dynamic_cast(&grid_point5) ); registerParameter( dynamic_cast(&grid_point6) ); registerParameter( dynamic_cast(&grid_point7) ); registerParameter( dynamic_cast(&grid_point8x9) ); registerParameter( dynamic_cast(&grid_point10x11) ); registerParameter( dynamic_cast(&grid_point12) ); registerParameter( dynamic_cast(&grid_point13) ); registerParameter( dynamic_cast(&grid_point14) ); registerParameter( dynamic_cast(&grid_point15) ); registerParameter( dynamic_cast(&grid_point16) ); registerParameter( dynamic_cast(&grid_point17) ); registerParameter( dynamic_cast(&grid_point18) ); registerParameter( dynamic_cast(&grid_point19) ); registerParameter( dynamic_cast(&grid_point20x21) ); registerParameter( dynamic_cast(&grid_point22x23) ); registerParameter( dynamic_cast(&grid_point24x26) ); registerParameter( dynamic_cast(&grid_point25x27) ); registerParameter( dynamic_cast(&grid_point28x30) ); registerParameter( dynamic_cast(&grid_point29x31) ); registerParameter( dynamic_cast(&grid_point32x33x34x35) ); } LPELattice2::~LPELattice2() { } Geom::Piecewise > LPELattice2::doEffect_pwd2 (Geom::Piecewise > const & pwd2_in) { D2 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 handles(36); handles[0] = &grid_point0; handles[1] = &grid_point1; handles[2] = &grid_point2; handles[3] = &grid_point3; handles[4] = &grid_point4; handles[5] = &grid_point5; handles[6] = &grid_point6; handles[7] = &grid_point7; handles[8] = &grid_point8x9; handles[9] = &grid_point8x9; handles[10] = &grid_point10x11; handles[11] = &grid_point10x11; handles[12] = &grid_point12; handles[13] = &grid_point13; handles[14] = &grid_point14; handles[15] = &grid_point15; handles[16] = &grid_point16; handles[17] = &grid_point17; handles[18] = &grid_point18; handles[19] = &grid_point19; handles[20] = &grid_point20x21; handles[21] = &grid_point20x21; handles[22] = &grid_point22x23; handles[23] = &grid_point22x23; handles[24] = &grid_point24x26; handles[25] = &grid_point25x27; handles[26] = &grid_point24x26; handles[27] = &grid_point25x27; handles[28] = &grid_point28x30; handles[29] = &grid_point29x31; handles[30] = &grid_point28x30; handles[31] = &grid_point29x31; handles[32] = &grid_point32x33x34x35; handles[33] = &grid_point32x33x34x35; handles[34] = &grid_point32x33x34x35; handles[35] = &grid_point32x33x34x35; 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 > output; output.push_cut(0.); for(unsigned i = 0; i < pwd2_in.size(); i++) { D2 B = pwd2_in[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 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::VBox * vbox = Gtk::manage( new Gtk::VBox(Effect::newWidget()) ); vbox->set_border_width(5); Gtk::Button* resetButton = Gtk::manage(new Gtk::Button(Glib::ustring(_("Reset grid")))); resetButton->set_alignment(0.0, 0.5); resetButton->signal_clicked().connect(sigc::mem_fun (*this,&LPELattice2::resetGrid)); Gtk::Widget* resetButtonWidget = dynamic_cast(resetButton); resetButtonWidget->set_tooltip_text("Reset grid"); vbox->pack_start(*resetButtonWidget, true, true,2); std::vector::iterator it = param_vector.begin(); while (it != param_vector.end()) { if ((*it)->widget_is_visible) { Parameter * param = *it; Gtk::Widget * widg = dynamic_cast(param->param_newWidget()); if(param->param_key == "grid"){ widg = NULL; } 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; } return dynamic_cast(vbox); } void LPELattice2::doBeforeEffect (SPLPEItem const* lpeitem) { original_bbox(lpeitem); setDefaults(); } 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_point0.param_update_default(gp0); grid_point1.param_update_default(gp1); grid_point2.param_update_default(gp2); grid_point3.param_update_default(gp3); grid_point4.param_update_default(gp4); grid_point5.param_update_default(gp5); grid_point6.param_update_default(gp6); grid_point7.param_update_default(gp7); grid_point8x9.param_update_default(gp8x9); grid_point10x11.param_update_default(gp10x11); grid_point12.param_update_default(gp12); grid_point13.param_update_default(gp13); grid_point14.param_update_default(gp14); grid_point15.param_update_default(gp15); grid_point16.param_update_default(gp16); grid_point17.param_update_default(gp17); grid_point18.param_update_default(gp18); grid_point19.param_update_default(gp19); grid_point20x21.param_update_default(gp20x21); grid_point22x23.param_update_default(gp22x23); grid_point24x26.param_update_default(gp24x26); grid_point25x27.param_update_default(gp25x27); grid_point28x30.param_update_default(gp28x30); grid_point29x31.param_update_default(gp29x31); grid_point32x33x34x35.param_update_default(gp32x33x34x35); } void LPELattice2::resetGrid() { grid_point0.param_set_and_write_default(); grid_point1.param_set_and_write_default(); grid_point2.param_set_and_write_default(); grid_point3.param_set_and_write_default(); grid_point4.param_set_and_write_default(); grid_point5.param_set_and_write_default(); grid_point6.param_set_and_write_default(); grid_point7.param_set_and_write_default(); grid_point8x9.param_set_and_write_default(); grid_point10x11.param_set_and_write_default(); grid_point12.param_set_and_write_default(); grid_point13.param_set_and_write_default(); grid_point14.param_set_and_write_default(); grid_point15.param_set_and_write_default(); grid_point16.param_set_and_write_default(); grid_point17.param_set_and_write_default(); grid_point18.param_set_and_write_default(); grid_point19.param_set_and_write_default(); grid_point20x21.param_set_and_write_default(); grid_point22x23.param_set_and_write_default(); grid_point24x26.param_set_and_write_default(); grid_point25x27.param_set_and_write_default(); grid_point28x30.param_set_and_write_default(); grid_point29x31.param_set_and_write_default(); grid_point32x33x34x35.param_set_and_write_default(); //todo:this hack is only to reposition the knots on reser grid button //Better update path effect in LPEITEM SPDesktop * desktop = inkscape_active_desktop(); tools_switch(desktop, TOOLS_SELECT); tools_switch(desktop, TOOLS_NODES); } void LPELattice2::resetDefaults(SPItem const* item) { Effect::resetDefaults(item); original_bbox(SP_LPE_ITEM(item)); 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 &hp_vec) { hp_vec.clear(); SPCurve *c = new SPCurve(); calculateCurve(grid_point0,grid_point4, c,true, true); calculateCurve(grid_point4,grid_point8x9, c,true, false); calculateCurve(grid_point8x9,grid_point5, c,true, false); calculateCurve(grid_point5,grid_point1, c,true, false); calculateCurve(grid_point12,grid_point16, c,true, true); calculateCurve(grid_point16,grid_point20x21, c,true, false); calculateCurve(grid_point20x21,grid_point17, c,true, false); calculateCurve(grid_point17,grid_point13, c,true, false); calculateCurve(grid_point24x26,grid_point28x30, c,true, true); calculateCurve(grid_point28x30,grid_point32x33x34x35, c,true, false); calculateCurve(grid_point32x33x34x35,grid_point29x31, c,true, false); calculateCurve(grid_point29x31,grid_point25x27, c,true, false); calculateCurve(grid_point14,grid_point18, c,true, true); calculateCurve(grid_point18,grid_point22x23, c,true, false); calculateCurve(grid_point22x23,grid_point19, c,true, false); calculateCurve(grid_point19,grid_point15, c,true, false); calculateCurve(grid_point2,grid_point6, c,true, true); calculateCurve(grid_point6,grid_point10x11, c,true, false); calculateCurve(grid_point10x11,grid_point7, c,true, false); calculateCurve(grid_point7,grid_point3, c,true, false); calculateCurve(grid_point0,grid_point12, c,false, true); calculateCurve(grid_point12,grid_point24x26, c,false, false); calculateCurve(grid_point24x26,grid_point14, c,false, false); calculateCurve(grid_point14,grid_point2, c,false, false); calculateCurve(grid_point4,grid_point16, c,false, true); calculateCurve(grid_point16,grid_point28x30, c,false, false); calculateCurve(grid_point28x30,grid_point18, c,false, false); calculateCurve(grid_point18,grid_point6, c,false, false); calculateCurve(grid_point8x9,grid_point20x21, c,false, true); calculateCurve(grid_point20x21,grid_point32x33x34x35, c,false, false); calculateCurve(grid_point32x33x34x35,grid_point22x23, c,false, false); calculateCurve(grid_point22x23,grid_point10x11, c,false, false); calculateCurve(grid_point5,grid_point17, c, false, true); calculateCurve(grid_point17,grid_point29x31, c,false, false); calculateCurve(grid_point29x31,grid_point19, c,false, false); calculateCurve(grid_point19,grid_point7, c,false, false); calculateCurve(grid_point1,grid_point13, c, false, true); calculateCurve(grid_point13,grid_point25x27, c,false, false); calculateCurve(grid_point25x27,grid_point15, c,false, false); calculateCurve(grid_point15,grid_point3, 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 :