hdr/pscore.hh

   1 // the breaking problem for a score.
   2
   3 #ifndef PSCORE_HH
   4 #define PSCORE_HH
   5
   6 #include "colhpos.hh"
   7 #include "varray.hh"
   8 #include "pcol.hh"
   9 #include "pstaff.hh"
  10
  11
  12 /** all stuff which goes onto paper. notes, signs, symbols in a score can be grouped in two ways:
  13     horizontally (staffwise), and vertically (columns). #PScore#
  14     contains the items, the columns and the staffs.
  15  */
  16
  17 struct PScore {
  18     Paper_def *paper_l_;
  19
  20     /// the columns, ordered left to right
  21     IPointerList<PCol *> cols;
  22
  23     /// the idealspacings, no particular order
  24     IPointerList<Idealspacing*> suz;
  25
  26     /// the staffs ordered top to bottom
  27     IPointerList<PStaff*> staffs;
  28
  29     /// all symbols in score. No particular order.
  30     IPointerList<Item*> its;
  31
  32     /// if broken, the different lines
  33     IPointerList<Line_of_score*> lines;
  34
  35     /// crescs etc; no particular order
  36     IPointerList<Spanner *> spanners;
  37
  38     /// broken spanners
  39     IPointerList<Spanner*> broken_spans;
  40
  41     /* *************** */
  42     /* CONSTRUCTION */
  43
  44     PScore(Paper_def*);
  45     /// add a line to the broken stuff. Positions given in #config#
  46     void set_breaking(Array<Col_hpositions>);
  47
  48     void add(PStaff *);
  49
  50
  51     /** add an item.
  52        add the item in specified containers. If breakstatus is set
  53        properly, add it to the {pre,post}break of the pcol.
  54        */
  55     void typeset_item(Item *item_p,  PCol *pcol_l,PStaff*pstaf_l,int breakstatus=1);
  56
  57     /// add a Spanner
  58     void typeset_spanner(Spanner*, PStaff*);
  59
  60     ///    add to bottom of pcols
  61     void add(PCol*);
  62     void add_broken(Spanner*);
  63
  64     /* INSPECTION */
  65     Array<Item*> select_items(PStaff*, PCol*);
  66
  67      /**
  68        @return argument as a cursor of the list
  69        */
  70     PCursor<PCol *> find_col(const PCol *)const;
  71
  72     /* MAIN ROUTINES */
  73     void process();
  74
  75     /// last deed of this struct
  76     void output(Tex_stream &ts);
  77
  78     /* UTILITY ROUTINES */
  79
  80     /// get the spacing between c1 and c2, create one if necessary.
  81     Idealspacing* get_spacing(PCol *c1, PCol *c2);
  82
  83     /// connect c1 and c2
  84     void do_connect(PCol *c1, PCol *c2, Real distance_f, Real strength_f);
  85
  86     /// connect c1 and c2 and any children of c1 and c2
  87     void connect(PCol* c1, PCol *c2, Real distance_f,Real  strength_f= 1.0);
  88
  89     /* STANDARD ROUTINES */
  90     void OK()const;
  91     void print() const;
  92 private:
  93     /// before calc_breaking
  94     void preprocess();
  95
  96     /// calculate where the lines are to be broken, and use results
  97     void calc_breaking();
  98
  99     /// after calc_breaking
 100     void postprocess();
 101
 102     /// delete unused columns
 103     void clean_cols();
 104 };
 105
 106 #endif