]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/hairpin.cc
Merge remote branch 'origin' into release/unstable
[lilypond.git] / lily / hairpin.cc
index 80f836d5b1ff89f74c0d84aab425183f8b899141..9f5bb1a7e42edc2b620494b7d052d04a69746cd0 100644 (file)
@@ -1,13 +1,25 @@
 /*
-  hairpin.cc -- implement Hairpin
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "hairpin.hh"
 
+#include "axis-group-interface.hh"
 #include "dimensions.hh"
 #include "international.hh"
 #include "line-interface.hh"
 #include "note-column.hh"
 #include "warn.hh"
 
-MAKE_SCHEME_CALLBACK (Hairpin, after_line_breaking, 1);
+MAKE_SCHEME_CALLBACK (Hairpin, pure_height, 3);
 SCM
-Hairpin::after_line_breaking (SCM smob)
+Hairpin::pure_height (SCM smob, SCM, SCM)
 {
-  Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (smob));
-  consider_suicide (me);
+  Grob *me = unsmob_grob (smob);
+  Real height = robust_scm2double (me->get_property ("height"), 0.0)
+                * Staff_symbol_referencer::staff_space (me);
 
-  return SCM_UNSPECIFIED;
-}
-
-void
-Hairpin::consider_suicide (Spanner*me)
-{
-  Drul_array<bool> broken;
-  Drul_array<Item *> bounds;
-  Direction d = LEFT;
-  do
-    {
-      bounds[d] = me->get_bound (d);
-      broken[d] = bounds[d]->break_status_dir () != CENTER;
-    }
-  while (flip (&d) != LEFT);
+  Real thickness = robust_scm2double (me->get_property ("thickness"), 1)
+                   * Staff_symbol_referencer::line_thickness (me);
 
-  if (broken[LEFT]
-      && ly_is_equal (bounds[RIGHT]->get_column ()->get_property ("when"),
-                     bounds[LEFT]->get_property ("when")))
-    me->suicide ();
-  
+  height += thickness / 2;
+  return ly_interval2scm (Interval (-height, height));
 }
 
 MAKE_SCHEME_CALLBACK (Hairpin, print, 1);
-
 SCM
 Hairpin::print (SCM smob)
 {
-  Spanner *me = dynamic_cast<Spanner *> (unsmob_grob (smob));
+  Spanner *me = unsmob_spanner (smob);
 
-  if (Spanner *orig = dynamic_cast<Spanner*> (me->original ()))
-    {
-      for (vsize i = 0; i < orig->broken_intos_.size (); i++)
-       Hairpin::consider_suicide (orig->broken_intos_[i]);
-    }
-  
   SCM s = me->get_property ("grow-direction");
   if (!is_direction (s))
     {
@@ -85,13 +75,13 @@ Hairpin::print (SCM smob)
 
   broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT);
   broken[RIGHT] = broken[RIGHT] && me->broken_neighbor (RIGHT)->is_live ();
-  
+
   if (broken[RIGHT])
     {
       Spanner *next = me->broken_neighbor (RIGHT);
       Stencil *s = next->get_stencil ();
       if (!s || s->is_empty ())
-       broken[RIGHT] = false;
+        broken[RIGHT] = false;
     }
 
   Grob *common = bounds[LEFT]->common_refpoint (bounds[RIGHT], X_AXIS);
@@ -101,8 +91,8 @@ Hairpin::print (SCM smob)
     Use the height and thickness of the hairpin when making a circled tip
   */
   bool circled_tip = ly_scm2bool (me->get_property ("circled-tip"));
-  Real height = robust_scm2double (me->get_property ("height"), 0.2) *
-               Staff_symbol_referencer::staff_space (me);
+  Real height = robust_scm2double (me->get_property ("height"), 0.2)
+                * Staff_symbol_referencer::staff_space (me);
   /*
     FIXME: 0.525 is still just a guess...
   */
@@ -110,74 +100,86 @@ Hairpin::print (SCM smob)
   Real thick = 1.0;
   if (circled_tip)
     thick = robust_scm2double (me->get_property ("thickness"), 1.0)
-           * Staff_symbol_referencer::line_thickness (me);
+            * Staff_symbol_referencer::line_thickness (me);
 
   do
     {
       Item *b = bounds[d];
       x_points[d] = b->relative_coordinate (common, X_AXIS);
       if (broken [d])
-       {
-         if (d == LEFT)
-           x_points[d] = b->extent (common, X_AXIS)[RIGHT];
-       }
+        {
+          if (d == LEFT)
+            x_points[d] = b->extent (common, X_AXIS)[RIGHT];
+        }
       else
-       {
-         if (Text_interface::has_interface (b))
-           {
-             Interval e = b->extent (common, X_AXIS);
-             if (!e.is_empty ())
-               x_points[d] = e[-d] - d * padding;
-           }
-         else
-           {
-             bool neighbor_found = false;
-             extract_grob_set (me, "adjacent-hairpins", pins);
-             for (vsize i = 0; i < pins.size (); i++)
-               {
-                 /*
-                   FIXME: this will fuck up in case of polyphonic
-                   notes in other voices. Need to look at note-columns
-                   in the current staff/voice.
-                 */
+        {
+          if (Text_interface::has_interface (b))
+            {
+              Interval e = b->extent (common, X_AXIS);
+              if (!e.is_empty ())
+                x_points[d] = e[-d] - d * padding;
+            }
+          else
+            {
+              bool neighbor_found = false;
+              Spanner *adjacent = NULL;
+              extract_grob_set (me, "adjacent-spanners", neighbors);
+              for (vsize i = 0; i < neighbors.size (); i++)
+                {
+                  /*
+                    FIXME: this will fuck up in case of polyphonic
+                    notes in other voices. Need to look at note-columns
+                    in the current staff/voice.
+                  */
+                  adjacent = dynamic_cast<Spanner *> (neighbors[i]);
+                  if (adjacent
+                      && (adjacent->get_bound (-d)->get_column ()
+                          == b->get_column ()))
+                    {
+                      neighbor_found = true;
+                      break;
+                    }
+                }
 
-                 Spanner *pin = dynamic_cast<Spanner *> (pins[i]);
-                 if (pin
-                     && (pin->get_bound (LEFT)->get_column () == b->get_column ()
-                         || pin->get_bound (RIGHT)->get_column () == b->get_column ()))
-                   neighbor_found = true;
-               }
+              Interval e = (Axis_group_interface::has_interface (b)
+                            ? Axis_group_interface::generic_bound_extent (b, common, X_AXIS)
+                            : robust_relative_extent (b, common, X_AXIS));
+              if (neighbor_found)
+                {
+                  if (Hairpin::has_interface (adjacent))
+                    {
+                      /*
+                        Handle back-to-back hairpins with a circle in the middle
+                      */
+                      if (circled_tip && (grow_dir != d))
+                        x_points[d] = e.center () + d * (rad - thick / 2.0);
+                      /*
+                        If we're hung on a paper column, that means we're not
+                        adjacent to a text-dynamic, and we may move closer. We
+                        make the padding a little smaller, here.
+                      */
+                      else
+                        x_points[d] = e.center () - d * padding / 3;
+                    }
+                  // Our neighbor is a dynamic text spanner, so add the
+                  // same amount of padding as for text dynamics
+                  else
+                    x_points[d] = e[-d] - d * padding;
+                }
+              else
+                {
+                  if (Note_column::has_interface (b)
+                      && Note_column::has_rests (b))
+                    x_points[d] = e[-d];
+                  else
+                    x_points[d] = e[d];
 
-             Interval e = robust_relative_extent (b, common, X_AXIS);
-             if (neighbor_found)
-               {
-                 /*
-                   Handle back-to-back hairpins with a circle in the middle
-                 */
-                 if (circled_tip && (grow_dir != d))
-                   x_points[d] = e.center () + d * (rad - thick / 2.0);
-                 /*
-                   If we're hung on a paper column, that means we're not
-                   adjacent to a text-dynamic, and we may move closer. We
-                   make the padding a little smaller, here.
-                 */
-                 else
-                   x_points[d] = e.center () - d * padding / 3;
-               }
-             else
-               {
-                 if (Note_column::has_interface (b)
-                     && Note_column::has_rests (b))
-                   x_points[d] = e[-d];
-                 else
-                   x_points[d] = e[d];
-                 
-                 Item *bound = me->get_bound (d);
-                 if (bound->is_non_musical (bound))
-                   x_points[d] -=  d * padding;
-               }
-           }
-       }
+                  Item *bound = me->get_bound (d);
+                  if (bound->is_non_musical (bound))
+                    x_points[d] -= d * padding;
+                }
+            }
+        }
     }
   while (flip (&d) != LEFT);
 
@@ -185,7 +187,7 @@ Hairpin::print (SCM smob)
   if (width < 0)
     {
       me->warning (_ ((grow_dir < 0) ? "decrescendo too small"
-                     : "crescendo too small"));
+                      : "crescendo too small"));
       width = 0;
     }
 
@@ -207,7 +209,6 @@ Hairpin::print (SCM smob)
   /*
     should do relative to staff-symbol staff-space?
   */
-
   Stencil mol;
   Real x = 0.0;
 
@@ -218,14 +219,14 @@ Hairpin::print (SCM smob)
   if (circled_tip && !broken[tip_dir])
     {
       if (grow_dir > 0)
-       x = rad * 2.0;
+        x = rad * 2.0;
       else if (grow_dir < 0)
-       width -= rad *2.0;
+        width -= rad * 2.0;
     }
   mol = Line_interface::line (me, Offset (x, starth), Offset (width, endh));
   mol.add_stencil (Line_interface::line (me,
-                                        Offset (x, -starth),
-                                        Offset (width, -endh)));
+                                         Offset (x, -starth),
+                                         Offset (width, -endh)));
 
   /*
     Support al/del niente notation by putting a circle at the
@@ -234,34 +235,34 @@ Hairpin::print (SCM smob)
   if (circled_tip)
     {
       Box extent (Interval (-rad, rad), Interval (-rad, rad));
-      
+
       /* Hmmm, perhaps we should have a Lookup::circle () method? */
       Stencil circle (extent,
-                    scm_list_4 (ly_symbol2scm ("circle"),
-                                scm_from_double (rad),
-                                scm_from_double (thick),
-                                SCM_BOOL_F));
+                      scm_list_4 (ly_symbol2scm ("circle"),
+                                  scm_from_double (rad),
+                                  scm_from_double (thick),
+                                  SCM_BOOL_F));
 
       /*
-       don't add another circle the hairpin is broken
+        don't add another circle if the hairpin is broken
       */
       if (!broken[tip_dir])
-       mol.add_at_edge (X_AXIS, tip_dir, Stencil (circle), 0);
+        mol.add_at_edge (X_AXIS, tip_dir, Stencil (circle), 0);
     }
 
   mol.translate_axis (x_points[LEFT]
-                     - bounds[LEFT]->relative_coordinate (common, X_AXIS),
-                     X_AXIS);
+                      - bounds[LEFT]->relative_coordinate (common, X_AXIS),
+                      X_AXIS);
   return mol.smobbed_copy ();
 }
 
 ADD_INTERFACE (Hairpin,
-              "A hairpin crescendo or decrescendo.",
+               "A hairpin crescendo or decrescendo.",
 
-              /* properties */
-              "adjacent-hairpins "
-              "circled-tip "
-              "bound-padding "
-              "grow-direction "
-              "height "
-              );
+               /* properties */
+               "adjacent-spanners "
+               "circled-tip "
+               "bound-padding "
+               "grow-direction "
+               "height "
+              );