2 staff-column.cc -- implement Staff_column
4 source file of the LilyPond music typesetter
6 (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
12 #include "time-description.hh"
13 #include "score-column.hh"
14 #include "staff-column.hh"
15 #include "commandrequest.hh"
16 #include "musicalrequest.hh"
17 #include "interval.hh"
21 #include "voice-element.hh"
24 Staff_column::OK() const
27 assert (command_column_l_->when() == musical_column_l_->when());
32 Staff_column::when() const
34 return (command_column_l_)?
35 command_column_l_->when():
36 musical_column_l_->when();
40 Staff_column::add(Voice_element*ve)
42 for (iter_top(ve->reqs,j); j.ok(); j++) {
44 Command_req * c_l = j->command();
46 timing_req_l_arr_.push(j->command()->timing());
48 if (c_l->groupchange())
49 creationreq_l_arr_.push(c_l);
50 else if (!c_l->barcheck() && !c_l->partial() &&
51 !c_l->measuregrouping())
52 setup_one_request(j); // no need to bother children
55 musical_column_l_->add_duration(j->rhythmic()->duration());
57 if (!j->musical()->skip())
63 Staff_column::Staff_column()
65 musical_column_l_ = 0;
66 command_column_l_ = 0;
73 Staff_column::~Staff_column()
78 Staff_column::set_cols(Score_column*c1, Score_column*c2)
80 command_column_l_ = c1;
81 musical_column_l_ = c2;
85 Staff_column::setup_one_request(Request * j)
87 if (j->command()) // ugh
88 commandreq_l_arr_.push(j);
89 else if (j->musical())
90 musicalreq_l_arr_.push(j);
94 Staff_column::typeset_musical_item(Item*i)
97 Score_column * scorecolumn_l = musical_column_l_;
98 musical_column_l_->pcol_l_->pscore_l_->typeset_item(i, scorecolumn_l->pcol_l_,
103 align items in #item_l_arr#,
105 @return the width of the items after aligning.
108 align_items(Array<Item*> item_l_arr)
111 for (int i =0; i < item_l_arr.size(); i++) {
112 Interval item_width= item_l_arr[i]->width();
113 Real dx =wid.right - item_width.left;
115 item_l_arr[i]->translate(Offset(dx ,0));
116 wid.unite(item_width);
122 translate_items(Real x, Array<Item*> item_l_arr)
124 for (int i =0; i < item_l_arr.size(); i++)
125 item_l_arr[i]->translate(Offset(x, 0));
132 Staff_column::typeset_breakable_items(Array<Item *> &pre_p_arr,
133 Array<Item *> &nobreak_p_arr,
134 Array<Item *> &post_p_arr)
136 PCol * c= command_column_l_->pcol_l_;
137 PScore *ps_l=command_column_l_->pcol_l_->pscore_l_;
139 if (!c->breakable_b()) {
140 for (int i =0; i < pre_p_arr.size(); i++)
142 pre_p_arr.set_size(0);
143 for (int i =0; i < post_p_arr.size(); i++)
144 delete post_p_arr[i];
145 post_p_arr.set_size(0);
149 for (int i =0; i < pre_p_arr.size(); i++) {
150 ps_l->typeset_item(pre_p_arr[i], c, staff_l_->pstaff_l_,0);
152 for (int i =0; i < nobreak_p_arr.size(); i++) {
153 ps_l->typeset_item(nobreak_p_arr[i], c, staff_l_->pstaff_l_,1);
155 for (int i =0; i < post_p_arr.size(); i++) {
156 ps_l->typeset_item(post_p_arr[i], c, staff_l_->pstaff_l_,2);
159 Interval pre_wid= align_items(pre_p_arr);
160 translate_items( -pre_wid.right, pre_p_arr);
161 align_items(nobreak_p_arr);
162 Interval post_wid =align_items(post_p_arr);
163 translate_items (-post_wid.left , post_p_arr);
165 pre_p_arr.set_size(0);
166 post_p_arr.set_size(0);
167 nobreak_p_arr.set_size(0);