src/stcol.cc

   1 /*
   2   stcol.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 "staff.hh"
   9 #include "voice.hh"
  10 #include "timedescription.hh"
  11 #include "sccol.hh"
  12 #include "stcol.hh"
  13 #include "commandrequest.hh"
  14 #include "musicalrequest.hh"
  15 #include "interval.hh"
  16 #include "pscore.hh"
  17 #include "item.hh"
  18 #include "pcol.hh"
  19
  20 void
  21 Staff_column::OK() const
  22 {
  23 #ifndef NDEBUG
  24     assert (command_column_l_->when() == musical_column_l_->when());
  25 #endif
  26 }
  27
  28 Moment
  29 Staff_column::when() const
  30 {
  31     return (command_column_l_)?
  32         command_column_l_->when():
  33         musical_column_l_->when();
  34 }
  35
  36 void
  37 Staff_column::add(Voice_element*ve)
  38 {
  39     for (iter_top(ve->reqs,j); j.ok(); j++) {
  40         if (j->nonmus()) {
  41             Nonmusical_req * c_l = j->nonmus();
  42             if (c_l->timing()) {
  43                 timing_req_l_arr_.push(j->nonmus()->timing());
  44             }
  45             if (!c_l->barcheck() &&  !c_l->partial() &&
  46                 !c_l->measuregrouping())
  47                 setup_one_request(j);   // no need to bother children
  48         } else {
  49             if (j->rhythmic()) {
  50                 musical_column_l_->add_duration(j->rhythmic()->duration());
  51             }
  52             if (!j->musical()->skip())
  53                 setup_one_request(j);
  54         }
  55     }
  56 }
  57
  58 Staff_column::Staff_column()
  59 {
  60     musical_column_l_ = 0;
  61     command_column_l_ = 0;
  62     staff_l_ = 0;
  63 }
  64
  65
  66
  67
  68 Staff_column::~Staff_column()
  69 {
  70 }
  71
  72 void
  73 Staff_column::set_cols(Score_column*c1, Score_column*c2)
  74 {
  75     command_column_l_ = c1;
  76     musical_column_l_ = c2;
  77 }
  78
  79 void
  80 Staff_column::setup_one_request(Request * j)
  81 {
  82     if (j->nonmus()) // ugh
  83         commandreq_l_arr_.push(j);
  84     else if (j->musical())
  85         musicalreq_l_arr_.push(j);
  86 }
  87
  88 void
  89 Staff_column::typeset_musical_item(Item*i)
  90 {
  91     assert(i);
  92     Score_column * sccol_l = musical_column_l_;
  93     musical_column_l_->pcol_l_->pscore_l_->typeset_item(i, sccol_l->pcol_l_,
  94                                                         staff_l_->pstaff_l_);
  95 }
  96
  97 /**
  98   align items in #item_l_arr#, return the width.
  99  */
 100 Interval
 101 align_items(Array<Item*> item_l_arr)
 102 {
 103     Interval wid(0,0);
 104     for  (int i =0; i < item_l_arr.size(); i++) {
 105         Interval item_width= item_l_arr[i]->width();
 106         item_l_arr[i]->translate(Offset( wid.right - item_width.left ,0));
 107         wid.unite(item_width);
 108     }
 109     return wid;
 110 }
 111
 112 void
 113 translate_items(Real x,  Array<Item*> item_l_arr)
 114 {
 115     for  (int i =0; i < item_l_arr.size(); i++)
 116         item_l_arr[i]->translate(Offset(x, 0));
 117 }
 118 /*
 119   UGR
 120   This still sux
 121   */
 122 void
 123 Staff_column::typeset_breakable_items(Array<Item *> &pre_p_arr,
 124                                       Array<Item *> &nobreak_p_arr,
 125                                       Array<Item *> &post_p_arr)
 126 {
 127     PCol * c= command_column_l_->pcol_l_;
 128     PScore *ps_l=command_column_l_->pcol_l_->pscore_l_;
 129
 130     if (!c->breakable_b()) {
 131         for  (int i =0; i < pre_p_arr.size(); i++)
 132             delete pre_p_arr[i];
 133         pre_p_arr.set_size(0);
 134         for  (int i =0; i < post_p_arr.size(); i++)
 135             delete post_p_arr[i];
 136         post_p_arr.set_size(0);
 137     }
 138
 139
 140     for  (int i =0; i < pre_p_arr.size(); i++) {
 141         ps_l->typeset_item(pre_p_arr[i], c, staff_l_->pstaff_l_,0);
 142     }
 143     for  (int i =0; i < nobreak_p_arr.size(); i++) {
 144         ps_l->typeset_item(nobreak_p_arr[i], c, staff_l_->pstaff_l_,1);
 145     }
 146     for  (int i =0; i < post_p_arr.size(); i++) {
 147         ps_l->typeset_item(post_p_arr[i], c, staff_l_->pstaff_l_,2);
 148     }
 149
 150     Interval pre_wid= align_items(pre_p_arr);
 151     translate_items( -pre_wid.right, pre_p_arr);
 152     align_items(nobreak_p_arr);
 153     Interval post_wid =align_items(post_p_arr);
 154     translate_items (-post_wid.left , post_p_arr);
 155
 156     pre_p_arr.set_size(0);
 157     post_p_arr.set_size(0);
 158     nobreak_p_arr.set_size(0);
 159 }