4 think about crossing stems.
9 #include "paper-def.hh"
10 #include "notehead.hh"
12 #include "molecule.hh"
20 open_right=open_left=false;
26 int pos1 = encompass.top()->position;
27 int pos2 = encompass[0]->position;
31 Real w = width().length();
33 return Offset(w/2,dy * paper()->internote());
44 Slur::set_default_dir()
47 for (int i=0; i < encompass.size(); i ++) {
48 sumpos += encompass[i]->position;
51 /* should consult stems */
52 Real meanpos = sumpos/Real(encompass.size());
53 if (meanpos < 5) // todo
60 Slur::do_pre_processing()
62 right = encompass.top()->pcol_l_;
63 left = encompass[0]->pcol_l_;
67 Slur::do_break_at(PCol*l, PCol*r) const
69 assert(l->line_l_ == r->line_l_);
70 Slur*ret = new Slur(*this);
72 ret->encompass.set_size(0);
73 for (int i =0; i < encompass.size(); i++) {
74 if (encompass[i]->pcol_l_->line_l_==l->line_l_)
75 ret->encompass.push(encompass[i]);
78 ret->open_right = true;
80 ret->open_left = true;
87 Slur::do_post_processing()
94 Slur::brew_molecule_p() const
96 Molecule*output = new Molecule;
98 int minp=1000, maxp=-1000; // todo
99 for (int i=0; i<encompass.size(); i++) {
100 minp = encompass[i]->position <? minp;
101 maxp = encompass[i]->position >? maxp;
103 assert(encompass.size()>0); // todo
105 Notehead *lnote_p =encompass[0];
106 Notehead *rnote_p =encompass.top();
107 int lpos_i = lnote_p->position;
108 int rpos_i = rnote_p->position;
109 Offset left_off(lnote_p->x_dir, lpos_i + 2*dir_i_);
110 Offset right_off(lnote_p->x_dir, rpos_i + 2*dir_i_);
111 if (!lnote_p->extremal)
112 left_off += Offset(0.5, -dir_i_);
113 if (!rnote_p->extremal)
114 right_off+= Offset(-0.5, -dir_i_);
116 int dy = int(right_off.y - left_off.y);
118 Real nw_f = paper()->note_width();
119 Real nh_f = paper()->internote();
120 Real w = width().length();
122 w+= (right_off.x - left_off.x) * nw_f ;
123 Real round_w = w; // slur lookup rounds the slurwidth .
125 Symbol sl = paper()->lookup_l()->slur(dy , round_w, dir_i_);
127 Real error = w-round_w;
130 a.translate(Offset((left_off.x + 0.5 )*nw_f + error/2,