src/complexcolumn.cc

   1 /*
   2   complexcolumn.cc -- implement Complex_column
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "voice.hh"
   9 #include "debug.hh"
  10 #include "complexcolumn.hh"
  11 #include "pscore.hh"
  12 #include "request.hh"
  13 #include "pscore.hh"
  14 #include "sccol.hh"
  15 #include "complexstaff.hh"
  16 #include "misc.hh"
  17
  18 void
  19 Complex_column::typeset_musical_item(Item *i)
  20 {
  21     assert(i);
  22     Score_column * sccol_l = musical_column_l_;
  23     staff_l_->pscore_l_->typeset_item(i, sccol_l->pcol_l_,
  24                                       staff_l_->pstaff_l_);
  25 }
  26
  27 Complex_column::Complex_column(Complex_staff *staff_l)
  28 {
  29     staff_l_ = staff_l;
  30 }
  31
  32 void
  33 Complex_column::setup_one_request(Request * j)
  34 {
  35     if (j->nonmus()) // ugh
  36         first_l_arr_.push(j);
  37     else if (j->musical())
  38         second_l_arr_.push(j);
  39 }
  40
  41 /**
  42   align items in #item_l_arr#, return the width.
  43  */
  44 Interval
  45 align_items(Array<Item*> item_l_arr)
  46 {
  47     Interval wid(0,0);
  48     for  (int i =0; i < item_l_arr.size(); i++) {
  49         Interval item_width= item_l_arr[i]->width();
  50         item_l_arr[i]->translate(Offset( wid.right - item_width.left ,0));
  51         wid.unite(item_width);
  52     }
  53     return wid;
  54 }
  55
  56 void
  57 translate_items(Real x,  Array<Item*> item_l_arr)
  58 {
  59     for  (int i =0; i < item_l_arr.size(); i++)
  60         item_l_arr[i]->translate(Offset(x, 0));
  61 }
  62 /*
  63   UGR
  64   This still sux
  65   */
  66 void
  67 Complex_column::typeset_breakable_items(Array<Item *> &pre_p_arr,
  68                                         Array<Item *> &nobreak_p_arr,
  69                                         Array<Item *> &post_p_arr)
  70 {
  71     PCol * c= command_column_l_->pcol_l_;
  72     PScore *ps_l=staff_l_->pscore_l_;
  73     if (!c->breakable_b()) {
  74         for  (int i =0; i < pre_p_arr.size(); i++)
  75             delete pre_p_arr[i];
  76         pre_p_arr.set_size(0);
  77         for  (int i =0; i < post_p_arr.size(); i++)
  78             delete post_p_arr[i];
  79         post_p_arr.set_size(0);
  80     }
  81
  82
  83     for  (int i =0; i < pre_p_arr.size(); i++) {
  84         ps_l->typeset_item(pre_p_arr[i], c, staff_l_->pstaff_l_,0);
  85     }
  86     for  (int i =0; i < nobreak_p_arr.size(); i++) {
  87         ps_l->typeset_item(nobreak_p_arr[i], c, staff_l_->pstaff_l_,1);
  88     }
  89     for  (int i =0; i < post_p_arr.size(); i++) {
  90         ps_l->typeset_item(post_p_arr[i], c, staff_l_->pstaff_l_,2);
  91     }
  92
  93     Interval pre_wid= align_items(pre_p_arr);
  94     translate_items( -pre_wid.right, pre_p_arr);
  95     align_items(nobreak_p_arr);
  96     Interval post_wid =align_items(post_p_arr);
  97     translate_items (-post_wid.left , post_p_arr);
  98
  99     pre_p_arr.set_size(0);
 100         post_p_arr.set_size(0);
 101    nobreak_p_arr.set_size(0);
 102 }