]> git.donarmstrong.com Git - lilypond.git/commitdiff
patch::: 1.3.95.jcn1
authorJan Nieuwenhuizen <janneke@gnu.org>
Wed, 11 Oct 2000 19:42:22 +0000 (21:42 +0200)
committerJan Nieuwenhuizen <janneke@gnu.org>
Wed, 11 Oct 2000 19:42:22 +0000 (21:42 +0200)
1.3.95.jcn1
===========

* Added a generic Text spanner.

CHANGES
VERSION
input/test/text-spanner.ly [new file with mode: 0644]
lily/dynamic-engraver.cc
lily/include/text-spanner.hh [new file with mode: 0644]
lily/span-arpeggio.cc
lily/text-spanner-engraver.cc [new file with mode: 0644]
lily/text-spanner.cc [new file with mode: 0644]
ly/engraver.ly
ps/lily.ps
scm/lily.scm

diff --git a/CHANGES b/CHANGES
index 2092760b675afb4fcada3f6a1bd38eef9faca25e..b682e4aedfb8e8e3cb84b38e2f093b1d7680ac2f 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+1.3.95.jcn1
+===========
+
+* Added a generic Text spanner.
+
 1.3.94.uu1
 ==========
 
diff --git a/VERSION b/VERSION
index 6693a290ce5970a30f3f4aae94eb9e2f4ca528c2..c38b2de43afd6336871be2785d9eb0f6f0bb64f7 100644 (file)
--- a/VERSION
+++ b/VERSION
@@ -2,7 +2,7 @@ PACKAGE_NAME=LilyPond
 MAJOR_VERSION=1
 MINOR_VERSION=3
 PATCH_LEVEL=95
-MY_PATCH_LEVEL=
+MY_PATCH_LEVEL=jcn1
 
 # use the above to send patches: MY_PATCH_LEVEL is always empty for a
 # released version.
diff --git a/input/test/text-spanner.ly b/input/test/text-spanner.ly
new file mode 100644 (file)
index 0000000..07c07f3
--- /dev/null
@@ -0,0 +1,23 @@
+\score{
+    \notes\relative c''{
+        \property Voice.TextSpanner \push #'edge-text = #'("8 " . "")
+        a \spanrequest \start "text"
+       b c 
+        a \spanrequest \stop "text"
+        \property Voice.TextSpanner \pop #'type
+        \property Voice.TextSpanner \push #'type = #"dotted-line"
+        a \spanrequest \start "text"
+       b c 
+        a \spanrequest \stop "text"
+        \property Voice.TextSpanner \pop #'type
+        \property Voice.TextSpanner \push #'type = #"dashed-line"
+        a \spanrequest \start "text"
+       b c 
+        a \spanrequest \stop "text"
+        \property Voice.TextSpanner \push #'dash-length = #5
+        \property Voice.TextSpanner \push #'line-thickness = #10
+        a \spanrequest \start "text"
+       b c 
+        a \spanrequest \stop "text"
+    }
+}
index a1fc434742f92cb2b28f6e622b5b886d76108443..3aead0adb74305bc58eb2b7e21955b78b211d7ff 100644 (file)
@@ -107,6 +107,9 @@ Dynamic_engraver::do_try_music (Music * m)
          if (line_spanner_)
            line_spanner_->suicide ();
          line_spanner_ = 0;
+         if (cresc_p_)
+           cresc_p_->suicide ();
+         cresc_p_ = 0;
        }
       else if ((s->span_type_str_ == "crescendo"
           || s->span_type_str_ == "decrescendo"))
diff --git a/lily/include/text-spanner.hh b/lily/include/text-spanner.hh
new file mode 100644 (file)
index 0000000..34f4432
--- /dev/null
@@ -0,0 +1,22 @@
+/*
+  text-spanner.hh -- declare Text_spanner
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
+
+
+#ifndef TEXT_SPANNER_HH
+#define TEXT_SPANNER_HH
+
+#include "lily-guile.hh"
+
+class Text_spanner
+{
+public:
+  DECLARE_SCHEME_CALLBACK (brew_molecule, (SCM));
+  static bool has_interface (Score_element*);
+};
+
+#endif /* TEXT_SPANNER_HH */
index 2dc2ca7761c7fca61adc1bb7a69f1db9bfd228a3..d9e50012c3991253283cf7bf33279c79680de265 100644 (file)
@@ -33,17 +33,21 @@ Span_arpeggio::brew_molecule (SCM smob)
   Score_element *me = unsmob_element (smob);
   
   Interval iv;
-  Score_element *common = me;
+  //Score_element *common = me;
+  Score_element *common = 0;
   for (SCM s = me->get_elt_property ("arpeggios"); gh_pair_p (s); s = gh_cdr (s))
     {
       Score_element *arpeggio = unsmob_element (gh_car (s));
-      common = arpeggio->common_refpoint (common, Y_AXIS);
+      if (common)
+       common = arpeggio->common_refpoint (common, Y_AXIS);
+      else
+       common = arpeggio;
     }
-  // Hmm, nothing in common?
-  if (0) //common)
+  if (0)  //common)
     for (SCM s = me->get_elt_property ("arpeggios"); gh_pair_p (s); s = gh_cdr (s))
       {
        Score_element *arpeggio = unsmob_element (gh_car (s));
+       // this dumps core: someone has no y-parent
        Real c = common->relative_coordinate (arpeggio, Y_AXIS);
        //iv.unite (Arpeggio::head_positions (stem));
        iv.unite (Interval (c, c));
diff --git a/lily/text-spanner-engraver.cc b/lily/text-spanner-engraver.cc
new file mode 100644 (file)
index 0000000..11653a8
--- /dev/null
@@ -0,0 +1,163 @@
+/*
+  text-spanner-engraver.cc -- implement Text_spanner_engraver
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
+
+#include "dimensions.hh"
+#include "musical-request.hh"
+#include "paper-column.hh"
+#include "note-column.hh"
+#include "item.hh"
+#include "side-position-interface.hh"
+#include "engraver.hh"
+#include "group-interface.hh"
+#include "directional-element-interface.hh"
+#include "translator-group.hh"
+#include "axis-group-interface.hh"
+
+
+class Text_spanner_engraver : public Engraver
+{
+public:
+  VIRTUAL_COPY_CONS (Translator);
+  Text_spanner_engraver ();
+  
+protected:
+  virtual void do_removal_processing ();
+  virtual void acknowledge_element (Score_element_info);
+  virtual bool do_try_music (Music *);
+  virtual void do_process_music ();
+  virtual void do_pre_move_processing ();
+  virtual void do_post_move_processing ();
+
+private:
+  Spanner *span_;
+  Spanner *finished_;
+  Span_req *current_req_;
+  Drul_array<Span_req*> req_drul_;
+  void typeset_all ();
+};
+
+ADD_THIS_TRANSLATOR (Text_spanner_engraver);
+
+
+Text_spanner_engraver::Text_spanner_engraver ()
+{
+  finished_ = 0;
+  current_req_ = 0;
+  span_ =0;
+  req_drul_[START] = 0;
+  req_drul_[STOP] = 0;
+}
+
+void
+Text_spanner_engraver::do_post_move_processing ()
+{
+  req_drul_[START] = 0;
+  req_drul_[STOP] = 0;
+}
+
+bool
+Text_spanner_engraver::do_try_music (Music *m)
+{
+  if (Span_req *s =  dynamic_cast <Span_req*> (m))
+    {
+      if (s->span_type_str_ == "abort")
+       {
+         req_drul_[LEFT] = 0;
+         req_drul_[RIGHT] = 0;
+         if (span_)
+           span_->suicide ();
+         span_ = 0;
+       }
+      else if (s->span_type_str_ == "text")
+       {
+         req_drul_[s->span_dir_] = s;
+         return true;
+       }
+    }
+  return false;
+}
+
+void
+Text_spanner_engraver::do_process_music ()
+{
+  if (req_drul_[STOP])
+    {
+      if (!span_)
+       {
+         req_drul_[STOP]->origin ()->warning
+           (_ ("can't find start of text spanner"));
+       }
+      else
+       {
+         assert (!finished_);
+         Score_element* e = unsmob_element (get_property ("currentMusicalColumn"));
+         span_->set_bound (RIGHT, e);
+
+         finished_ = span_;
+         span_ = 0;
+         current_req_ = 0;
+       }
+    }
+
+  if (req_drul_[START])
+    {
+      if (current_req_)
+       {
+         req_drul_[START]->origin ()->warning
+           (_ ("already have a text spanner"));
+       }
+      else
+       {
+         current_req_ = req_drul_[START];
+         span_  = new Spanner (get_property ("TextSpanner"));
+         Side_position::set_axis (span_, Y_AXIS);
+         Score_element *e = unsmob_element (get_property ("currentMusicalColumn"));
+         span_->set_bound (LEFT, e);
+         announce_element (span_, req_drul_[START]);
+       }
+    }
+}
+
+void
+Text_spanner_engraver::acknowledge_element (Score_element_info info)
+{
+  if (span_ && Note_column::has_interface (info.elem_l_))
+    {
+      Side_position::add_support (span_, info.elem_l_);
+      add_bound_item (span_, dynamic_cast<Item*> (info.elem_l_));
+    }
+}
+
+void
+Text_spanner_engraver::typeset_all ()
+{  
+  if (finished_)
+    {
+      typeset_element (finished_);
+      finished_ = 0;
+    }
+}
+
+void
+Text_spanner_engraver::do_pre_move_processing ()
+{
+  typeset_all ();
+}
+
+void
+Text_spanner_engraver::do_removal_processing ()
+{
+  typeset_all ();
+  if (span_)
+    {
+      current_req_->origin ()->warning (_ ("unterminated text spanner"));
+      span_->suicide ();
+      span_ = 0;
+    }
+}
+
diff --git a/lily/text-spanner.cc b/lily/text-spanner.cc
new file mode 100644 (file)
index 0000000..0736366
--- /dev/null
@@ -0,0 +1,166 @@
+/*
+  text-spanner.cc -- implement Text_spanner
+
+  source file of the GNU LilyPond music typesetter
+
+  (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+*/
+
+#include "molecule.hh"
+#include "text-spanner.hh"
+#include "spanner.hh"
+#include "lookup.hh"
+#include "dimensions.hh"
+#include "paper-def.hh"
+#include "debug.hh"
+#include "paper-column.hh"
+#include "staff-symbol-referencer.hh"
+
+/*
+  Generic Text spanner:
+
+  type: "line", "dashed-line", "dotted-line"
+  text: "text"
+  edge-text: ("le" . "re")
+  text-style: "italic"
+
+     not-yet-text
+  le -------------- re
+
+  TODO:
+    - vertical start / vertical end (fixme-name) |
+    - contination types (vert. star, vert. end)  |-> eat volta-spanner
+    - more styles
+    - more texts/positions
+    - style: hairpin ?
+ */
+
+MAKE_SCHEME_CALLBACK (Text_spanner, brew_molecule, 1);
+
+SCM
+Text_spanner::brew_molecule (SCM smob) 
+{
+  Score_element *me= unsmob_element (smob);
+  Spanner *spanner = dynamic_cast<Spanner*> (me);
+
+  Real staff_space = Staff_symbol_referencer::staff_space (me);
+  Real line = me->paper_l ()->get_var ("stafflinethickness");  
+  
+
+  Drul_array<bool> broken;
+  Direction d = LEFT;
+  do
+    {
+      Paper_column* s = dynamic_cast<Paper_column*>(spanner->get_bound (d)); // UGH
+      broken[d] = (!s->musical_b ());
+    }
+  while (flip (&d) != LEFT);
+  
+  SCM s = me->get_elt_property ("text-style");
+  String text_style = "italic";
+  if (gh_string_p (s))
+    text_style = ly_scm2string (s);
+  SCM edge_text = me->get_elt_property ("edge-text");
+  Drul_array<Molecule> edge;
+  if (gh_pair_p (edge_text))
+    {
+      edge[LEFT] = me->lookup_l ()->text (text_style,
+                                         ly_scm2string (gh_car (edge_text)),
+                                         me->paper_l ());
+      if (!edge[LEFT].empty_b ())
+       edge[LEFT].align_to (Y_AXIS, CENTER);
+      edge[RIGHT] = me->lookup_l ()->text (text_style,
+                                          ly_scm2string (gh_cdr (edge_text)),
+                                          me->paper_l ());
+      if (!edge[RIGHT].empty_b ())
+       edge[RIGHT].align_to (Y_AXIS, CENTER);
+    }
+
+  Drul_array<Real> shorten;
+  shorten[LEFT] = 0;
+  shorten[RIGHT] = 0;
+
+  s = me->get_elt_property ("shorten");
+  if (gh_pair_p (s))
+    {
+      shorten[LEFT] = gh_scm2double (gh_car (s)) * staff_space;
+      shorten[RIGHT] = gh_scm2double (gh_cdr (s)) * staff_space;
+    }
+
+  Real broken_left =  spanner->get_broken_left_end_align ();
+  Real width = spanner->spanner_length ();
+  width += spanner->get_bound (RIGHT)->extent (X_AXIS).length ();
+  width -= broken_left;
+  width -= shorten[LEFT] + shorten[RIGHT];
+  width -= edge[LEFT].extent (X_AXIS).length ()
+    + edge[RIGHT].extent (X_AXIS).length ();
+
+  if (width < 0)
+    {
+      warning (_ ("Text_spanner too small"));
+      width = 0;
+    }
+
+
+  String type = "dashed-line";
+  s = me->get_elt_property ("type");
+  if (gh_string_p (s))
+    type = ly_scm2string (s);
+
+  Real height;
+  SCM at;
+  if (type == "line"
+      || type == "dashed-line"
+      || type == "dotted-line")
+    {
+      Real thick = line;
+      s = me->get_elt_property ("line-thickness");
+      if (gh_number_p (s))
+       thick *= gh_scm2double (s);
+  
+      // maybe these should be in line-thickness?
+      Real length = staff_space;
+      s = me->get_elt_property ("dash-length");
+      if (gh_number_p (s))
+       length = gh_scm2double (s) * staff_space;
+
+      Real period = 2 * length + thick;
+      s = me->get_elt_property ("dash-period");
+      if (gh_number_p (s))
+       period = gh_scm2double (s) * staff_space;
+      
+      if (type == "dotted-line")
+       length = thick;
+       
+      if (type == "line")
+       length = period + thick;
+
+      Real on = length - thick;
+      Real off = period - on;
+
+      height = thick;
+      at = gh_list (ly_symbol2scm ("dashed-line"),
+                   gh_double2scm (thick),
+                   gh_double2scm (on),
+                   gh_double2scm (off),
+                   gh_double2scm (width),
+                   SCM_UNDEFINED);
+    }
+  Box b (Interval (0, width), Interval (-height / 2, height / 2));
+  Molecule span (b, at);
+
+  Molecule m;
+  if (!edge[LEFT].empty_b ())
+    m = edge[LEFT];
+
+  if (!span.empty_b ())
+    m.add_at_edge (X_AXIS, RIGHT, span, 0);
+  if (!edge[RIGHT].empty_b ())
+    m.add_at_edge (X_AXIS, RIGHT, edge[RIGHT], 0);
+  m.translate_axis (broken_left, X_AXIS);
+
+  return m.create_scheme ();
+}
+
+
index 53c4a8aab11c50abd5660ad3b7d6793e7ca8480b..107f4b101f94364d8693e51978a93b5955a49aa8 100644 (file)
@@ -102,6 +102,7 @@ VoiceContext = \translator {
        \consists "Output_property_engraver";   
 
        \consists "Dynamic_engraver";   % must come before text_engraver.
+       \consists "Text_spanner_engraver";
        \consists "Property_engraver";
        
        \consists "Breathing_sign_engraver";
@@ -827,10 +828,17 @@ ScoreContext = \translator {
                (molecule-callback . ,Text_item::brew_molecule)
                (no-spacing-rods . #t)
                (interfaces . (text-script-interface text-item-interface side-position-interface))
-               (padding .      3.0)
+               (padding . 0.5)
                (name . "TextScript") 
        )
-
+       TextSpanner = #`(
+               (interfaces . (text-spanner-interface))
+               (molecule-callback . ,Text_spanner::brew_molecule)
+               (type . "line")
+               (direction . 1)
+               (text-style . "italic")
+               (name . "TextSpanner")          
+       )
        Tie = #`(
                (interfaces . (tie-interface))
                (molecule-callback . ,Tie::brew_molecule)
@@ -933,7 +941,6 @@ ScoreContext = \translator {
 
                (name . "SustainPedal")         
        )       
-
        UnaChordaPdeal = #`(
                (molecule-callback . ,Text_item::brew_molecule)
                (style . "italic")
index 0926c8fc5a1d26d6edfc94ab55f39edb10bcf139..2b75b3d951ebb29ed76f38db687c6ead1094ed5a 100644 (file)
        1 setlinecap 
        1 setlinejoin 
        setdash 
+       dup
        setlinewidth 
-       0 0 moveto
+       2 div
+       dup
+       0 moveto
+       neg add
        0 lineto
        stroke 
 } bind def 
index d9a951c9f7a2142d618613a163c1eea254e98633..38e96e741ffe830ffbe7ac47dc6ee36825b7831e 100644 (file)
   (define (char i)
     (string-append "\\char" (inexact->string i 10) " "))
   
-  (define (dashed-line thick dash w)
-    (embedded-ps ((ps-scm 'dashed-line) thick dash w)))
+  (define (dashed-line thick on off w)
+    (embedded-ps ((ps-scm 'dashed-line) thick on off w)))
 
   (define (decrescendo thick w h cont)
     (embedded-ps ((ps-scm 'decrescendo) thick w h cont)))
      (number->string (* 10 thick))     ;UGH.  10 ?
      " ] 0 draw_dashed_slur"))
 
-  (define (dashed-line thick dash width)
+  (define (dashed-line thick on off width)
     (string-append 
      (number->string width) 
      " "
      (number->string thick) 
      " [ "
-     (number->string dash)
+     (number->string on)
      " "
-     (number->string dash)
+     (number->string off)
      " ] 0 draw_dashed_line"))
 
   (define (decrescendo thick w h cont)