13 Stem::Stem(int c, Moment len)
18 minnote = 1000; // invalid values
34 mtor << "flag "<< flag << " print_flag " << print_flag
35 << "min,max [" << minnote << ", " << maxnote << "]";
43 Stem::set_stemend(Real se)
47 assert((dir > 0 && se >= maxnote) || (se <= minnote && dir <0));
49 top = (dir < 0) ? maxnote : se;
50 bot = (dir < 0) ? se : minnote;
55 Stem::add(Notehead *n)
57 assert(status < PRECALCED);
67 n->dependencies.add(this);
72 Stem::set_default_dir()
74 Real mean = (minnote+maxnote)/2;
75 dir = (mean > staff_center) ? -1: 1;
79 Stem::set_default_stemlen()
84 int stafftop = 2*staff_center;
85 stemlen = STEMLEN + (maxnote - minnote);
87 // uhh... how about non 5-line staffs?
88 if (maxnote < -2 && dir == 1){
89 int t = staff_center - staff_center/2;
90 stemlen = t - minnote +2;
91 } else if (minnote > stafftop + 2 && dir == -1) {
92 int t = staff_center + staff_center/2;
93 stemlen = maxnote -t +2;
101 Stem::set_default_extents()
103 assert(minnote<=maxnote);
106 set_default_stemlen();
108 set_stemend((dir< 0) ? maxnote-stemlen: minnote +stemlen);
110 stem_xoffset = paper()->note_width();
116 Stem::set_noteheads()
118 heads.sort(Notehead::compare);
119 heads[0]->extremal = -1;
120 heads.last()->extremal = 1;
122 int lastpos = heads[0]->position;
123 for (int i=1; i < heads.size(); i ++) {
124 int dy =abs(lastpos- heads[i]->position);
128 heads[i]->x_dir = (stem_xoffset>0) ? 1:-1;
132 lastpos = heads[i]->position;
137 Stem::do_pre_processing()
140 set_default_extents();
148 if (!print_flag || abs(flag) <= 4)
149 return Interval(0,0); // TODO!
151 Interval r(p->lookup_p_->flag(flag).dim.x);
157 Stem::brew_molecule_p()const return out;
162 Paperdef *p =paper();
164 Real dy = p->internote();
165 Symbol ss =p->lookup_p_->stem(bot*dy,top*dy);
168 out = new Molecule(Atom(ss));
170 if (print_flag&&abs(flag) > 4){
171 Symbol fl = p->lookup_p_->flag(flag);
175 } else if (flag > 4) {
181 out->translate(Offset(stem_xoffset,0));
187 return pcol_l_->hpos + stem_xoffset;