lily/staff-column.cc

   1 /*
   2   staff-column.cc -- implement Staff_column
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "proto.hh"
   9 #include "plist.hh"
  10 #include "staff.hh"
  11 #include "voice.hh"
  12 #include "time-description.hh"
  13 #include "score-column.hh"
  14 #include "staff-column.hh"
  15 #include "command-request.hh"
  16 #include "musical-request.hh"
  17 #include "interval.hh"
  18 #include "p-score.hh"
  19 #include "item.hh"
  20 #include "p-col.hh"
  21 #include "voice-element.hh"
  22 #include "pqueue.hh"
  23
  24 void
  25 Staff_column::OK() const
  26 {
  27 #ifndef NDEBUG
  28     assert (command_column_l_->when() == musical_column_l_->when());
  29 #endif
  30 }
  31
  32 Moment
  33 Staff_column::when() const
  34 {
  35     return (command_column_l_)?
  36         command_column_l_->when():
  37         musical_column_l_->when();
  38 }
  39
  40 void
  41 Staff_column::add(Voice_element*ve,
  42                   PQueue<Subtle_req *, Moment> &subtle_req_pq )
  43 {
  44     for (iter_top(ve->reqs,j); j.ok(); j++) {
  45         if (j->command()) {
  46             Command_req * c_l = j->command();
  47             if (c_l->timing()) {
  48                 timing_req_l_arr_.push(j->command()->timing());
  49             }
  50             if (c_l->groupchange())
  51                 creationreq_l_arr_.push(c_l);
  52             else if (!c_l->barcheck() &&  !c_l->partial() &&
  53                 !c_l->measuregrouping())
  54                 setup_one_request(j);   // no need to bother children
  55         } else {
  56             if (j->rhythmic()) {
  57                 musical_column_l_->add_duration(j->rhythmic()->duration());
  58             }
  59             if (j->musical()) {
  60                 Musical_req*m = j->musical();
  61                 if(m->skip())
  62                     continue;
  63                 Subtle_req * s = m->subtle() ;
  64                 if (s&& s->subtime_) {
  65                     subtle_req_pq.enter(s, s->subtime_ + when());
  66                     continue ;
  67                 }
  68             }
  69             setup_one_request(j);
  70         }
  71     }
  72 }
  73
  74 Staff_column::Staff_column()
  75 {
  76     musical_column_l_ = 0;
  77     command_column_l_ = 0;
  78     staff_l_ = 0;
  79 }
  80
  81
  82
  83
  84 Staff_column::~Staff_column()
  85 {
  86 }
  87
  88 void
  89 Staff_column::set_cols(Score_column*c1, Score_column*c2)
  90 {
  91     command_column_l_ = c1;
  92     musical_column_l_ = c2;
  93 }
  94
  95 void
  96 Staff_column::setup_one_request(Request * j)
  97 {
  98     if (j->command()) // ugh
  99         commandreq_l_arr_.push(j);
 100     else if (j->musical())
 101         musicalreq_l_arr_.push(j);
 102 }
 103
 104 void
 105 Staff_column::typeset_musical_item(Item*i)
 106 {
 107     assert(i);
 108     Score_column * scorecolumn_l = musical_column_l_;
 109     musical_column_l_->pcol_l_->pscore_l_->typeset_item(i, scorecolumn_l->pcol_l_,
 110                                                         staff_l_->pstaff_l_);
 111 }
 112
 113 /**
 114   align items in #item_l_arr#,
 115
 116   @return the width of the items after aligning.
 117  */
 118 Interval
 119 align_items(Array<Item*> item_l_arr)
 120 {
 121     Interval wid(0,0);
 122     for  (int i =0; i < item_l_arr.size(); i++) {
 123         Interval item_width= item_l_arr[i]->width();
 124         if (item_width.empty_b()) {
 125             item_width = Interval(0,0);
 126         }
 127         Real dx =wid.right - item_width.left;
 128         item_width += dx;
 129         item_l_arr[i]->translate(Offset(dx ,0));
 130         wid.unite(item_width);
 131     }
 132     return wid;
 133 }
 134
 135 void
 136 translate_items(Real x,  Array<Item*> item_l_arr)
 137 {
 138     for  (int i =0; i < item_l_arr.size(); i++)
 139         item_l_arr[i]->translate(Offset(x, 0));
 140 }
 141 /*
 142   UGR
 143   This still sux
 144   */
 145 void
 146 Staff_column::typeset_breakable_items(Array<Item *> &pre_p_arr,
 147                                       Array<Item *> &nobreak_p_arr,
 148                                       Array<Item *> &post_p_arr)
 149 {
 150     PCol * c= command_column_l_->pcol_l_;
 151     PScore *ps_l=command_column_l_->pcol_l_->pscore_l_;
 152
 153     if (!c->breakable_b()) {
 154         for  (int i =0; i < pre_p_arr.size(); i++)
 155             delete pre_p_arr[i];
 156         pre_p_arr.set_size(0);
 157         for  (int i =0; i < post_p_arr.size(); i++)
 158             delete post_p_arr[i];
 159         post_p_arr.set_size(0);
 160     }
 161
 162
 163     for  (int i =0; i < pre_p_arr.size(); i++) {
 164         ps_l->typeset_item(pre_p_arr[i], c, staff_l_->pstaff_l_,0);
 165     }
 166     for  (int i =0; i < nobreak_p_arr.size(); i++) {
 167         ps_l->typeset_item(nobreak_p_arr[i], c, staff_l_->pstaff_l_,1);
 168     }
 169     for  (int i =0; i < post_p_arr.size(); i++) {
 170         ps_l->typeset_item(post_p_arr[i], c, staff_l_->pstaff_l_,2);
 171     }
 172
 173     Interval pre_wid= align_items(pre_p_arr);
 174     translate_items( -pre_wid.right, pre_p_arr);
 175     align_items(nobreak_p_arr);
 176     Interval post_wid =align_items(post_p_arr);
 177     translate_items (-post_wid.left , post_p_arr);
 178
 179     pre_p_arr.set_size(0);
 180     post_p_arr.set_size(0);
 181     nobreak_p_arr.set_size(0);
 182 }