X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcluster.cc;h=8391e7899b01179ac514fcbbeb384b7cc84bd3b3;hb=6e227b10eed0ebe522ca7512eb7d2cc1d9561e64;hp=75346dbbac244ae18a4cd0adf09745362ee075ca;hpb=01105e2a179bbf14da0923f7e1f4093cd9bcd8c5;p=lilypond.git diff --git a/lily/cluster.cc b/lily/cluster.cc index 75346dbbac..8391e7899b 100644 --- a/lily/cluster.cc +++ b/lily/cluster.cc @@ -3,61 +3,53 @@ source file of the GNU LilyPond music typesetter - (c) 2002--2003 Juergen Reuter + (c) 2002--2005 Juergen Reuter Han-Wen Nienhuys - */ -#include #include "cluster.hh" -#include "grob.hh" + +#include + #include "spanner.hh" #include "item.hh" #include "pitch.hh" #include "staff-symbol-referencer.hh" #include "lookup.hh" -#include "box.hh" -#include "interval.hh" -#include "paper-def.hh" -#include "paper-column.hh" -#include "note-column.hh" +#include "output-def.hh" +#include "warn.hh" +#include "pointer-group-interface.hh" /* - * TODO: Add support for cubic spline segments. - */ -Molecule + TODO: Add support for cubic spline segments. +*/ +Stencil brew_cluster_piece (Grob *me, Array bottom_points, Array top_points) { -#if 0 - Real blotdiameter = me->get_paper ()->get_var ("blotdiameter"); -#else - Real blotdiameter = Staff_symbol_referencer::staff_space (me)/2; -#endif - - Real padding; - SCM padding_scm = me->get_grob_property ("padding"); - if (gh_number_p (padding_scm)) - padding = gh_scm2double (padding_scm); - else - padding = 0.0; + Real blotdiameter = Staff_symbol_referencer::staff_space (me) / 2; + + Real padding = robust_scm2double (me->get_property ("padding"), 0.0); + Offset vpadding = Offset (0, padding); Offset hpadding = Offset (0.5 * blotdiameter, 0); Offset hvpadding = 0.5 * hpadding + vpadding; - SCM shape_scm = me->get_grob_property ("style"); + SCM shape_scm = me->get_property ("style"); String shape; - if (gh_symbol_p (shape_scm)) + + if (scm_is_symbol (shape_scm)) { shape = ly_symbol2string (shape_scm); } else { - shape = "leftsided-stairs"; + programming_error ("#'style should be symbol."); + me->suicide (); + return Stencil (); } - - Molecule out = Molecule (); + Stencil out; Array points; points.clear (); int size = bottom_points.size (); @@ -67,9 +59,9 @@ brew_cluster_piece (Grob *me, Array bottom_points, Array top_poi { Box box; box.add_point (bottom_points[i] - hvpadding); - box.add_point (Offset(top_points[i + 1][X_AXIS], - top_points[i][Y_AXIS]) + hvpadding); - out.add_molecule (Lookup::roundfilledbox (box, blotdiameter)); + box.add_point (Offset (top_points[i + 1][X_AXIS], + top_points[i][Y_AXIS]) + hvpadding); + out.add_stencil (Lookup::round_filled_box (box, blotdiameter)); } } else if (String::compare (shape, "rightsided-stairs") == 0) @@ -77,10 +69,10 @@ brew_cluster_piece (Grob *me, Array bottom_points, Array top_poi for (int i = 0; i < size - 1; i++) { Box box; - box.add_point (Offset(bottom_points[i][X_AXIS], - bottom_points[i + 1][Y_AXIS]) - hvpadding); + box.add_point (Offset (bottom_points[i][X_AXIS], + bottom_points[i + 1][Y_AXIS]) - hvpadding); box.add_point (top_points[i + 1] + hvpadding); - out.add_molecule (Lookup::roundfilledbox (box, blotdiameter)); + out.add_stencil (Lookup::round_filled_box (box, blotdiameter)); } } else if (String::compare (shape, "centered-stairs") == 0) @@ -88,23 +80,23 @@ brew_cluster_piece (Grob *me, Array bottom_points, Array top_poi Real left_xmid = bottom_points[0][X_AXIS]; for (int i = 0; i < size - 1; i++) { - Real right_xmid = - 0.5 * (bottom_points[i][X_AXIS] + bottom_points[i + 1][X_AXIS]); + Real right_xmid + = 0.5 * (bottom_points[i][X_AXIS] + bottom_points[i + 1][X_AXIS]); Box box; - box.add_point (Offset (left_xmid, bottom_points[i][Y_AXIS]) - - hvpadding); - box.add_point (Offset (right_xmid, top_points[i][Y_AXIS]) + - hvpadding); - out.add_molecule (Lookup::roundfilledbox (box, blotdiameter)); + box.add_point (Offset (left_xmid, bottom_points[i][Y_AXIS]) + - hvpadding); + box.add_point (Offset (right_xmid, top_points[i][Y_AXIS]) + + hvpadding); + out.add_stencil (Lookup::round_filled_box (box, blotdiameter)); left_xmid = right_xmid; } Real right_xmid = bottom_points[size - 1][X_AXIS]; Box box; - box.add_point (Offset (left_xmid, bottom_points[size - 1][Y_AXIS]) - - hvpadding); - box.add_point (Offset (right_xmid, top_points[size - 1][Y_AXIS]) + - hvpadding); - out.add_molecule (Lookup::roundfilledbox (box, blotdiameter)); + box.add_point (Offset (left_xmid, bottom_points[size - 1][Y_AXIS]) + - hvpadding); + box.add_point (Offset (right_xmid, top_points[size - 1][Y_AXIS]) + + hvpadding); + out.add_stencil (Lookup::round_filled_box (box, blotdiameter)); } else if (String::compare (shape, "ramp") == 0) { @@ -120,7 +112,7 @@ brew_cluster_piece (Grob *me, Array bottom_points, Array top_poi points.push (top_points[i] + vpadding); } points.push (top_points[0] + vpadding + hpadding); - out.add_molecule (Lookup::round_filled_polygon (points, blotdiameter)); + out.add_stencil (Lookup::round_filled_polygon (points, blotdiameter)); } else { @@ -129,68 +121,77 @@ brew_cluster_piece (Grob *me, Array bottom_points, Array top_poi return out; } -MAKE_SCHEME_CALLBACK (Cluster,brew_molecule,1); +MAKE_SCHEME_CALLBACK (Cluster, print, 1); SCM -Cluster::brew_molecule (SCM smob) +Cluster::print (SCM smob) { Grob *me = unsmob_grob (smob); - Spanner *spanner = dynamic_cast (me); + Spanner *spanner = dynamic_cast (me); if (!spanner) { - me->programming_error ("Cluster::brew_molecule(): not a spanner"); + me->programming_error ("Cluster::print (): not a spanner"); return SCM_EOL; } Item *left_bound = spanner->get_bound (LEFT); Item *right_bound = spanner->get_bound (RIGHT); - Grob *common = left_bound->common_refpoint (right_bound, X_AXIS); - SCM cols =me->get_grob_property ("columns"); - if (!gh_pair_p (cols)) + Grob *commonx = left_bound->common_refpoint (right_bound, X_AXIS); + + Link_array const &cols = extract_grob_array (me, "columns"); + if (cols.is_empty ()) { - me->warning ("junking empty cluster"); + me->warning (_ ("junking empty cluster")); me->suicide (); - + return SCM_EOL; } - common = common_refpoint_of_list (cols, common, X_AXIS); + + commonx = common_refpoint_of_array (cols, commonx, X_AXIS); + Grob *commony = common_refpoint_of_array (cols, me, Y_AXIS); Array bottom_points; Array top_points; + Real left_coord = left_bound->relative_coordinate (commonx, X_AXIS); - Real left_coord = left_bound->relative_coordinate (common, X_AXIS); + /* + TODO: should we move the cluster a little to the right to be in + line with the center of the note heads? - for (SCM s = cols; gh_pair_p (s); s = ly_cdr (s)) + */ + for (int i = 0; i < cols.size (); i++) { - Grob * col = unsmob_grob (ly_car (s)); - Slice s = Note_column::head_positions_interval (col); - Grob * h = Note_column::first_head (col); + Grob *col = cols[i]; + + Interval yext = col->extent (commony, Y_AXIS); - Real x = h->relative_coordinate (common, X_AXIS) - left_coord; - bottom_points.push (Offset (x, s[DOWN] *0.5)); - top_points.push (Offset (x, s[UP] * 0.5)); + Real x = col->relative_coordinate (commonx, X_AXIS) - left_coord; + bottom_points.push (Offset (x, yext[DOWN])); + top_points.push (Offset (x, yext[UP])); } /* Across a line break we anticipate on the next pitches. - */ + */ if (spanner->original_) { - Spanner *orig = dynamic_cast (spanner->original_); - - if (spanner->break_index_ < orig->broken_intos_.size()-1) + Spanner *orig = dynamic_cast (spanner->original_); + + if (spanner->get_break_index () < orig->broken_intos_.size () - 1) { - Spanner * next = orig->broken_intos_[spanner->break_index_+1]; - SCM cols = next->get_grob_property ("columns"); - if (gh_pair_p (cols)) + Spanner *next = orig->broken_intos_[spanner->get_break_index () + 1]; + Link_array const &next_cols = extract_grob_array (next, "columns"); + if (next_cols.size() > 0) { - Grob * col = unsmob_grob (ly_car (scm_last_pair (cols))); - Slice s = Note_column::head_positions_interval (col); - Real x = right_bound->relative_coordinate (common,X_AXIS) - left_coord; - - bottom_points.insert (Offset (x, s[DOWN] * 0.5),0); - top_points.insert (Offset (x, s[UP] * 0.5),0); + Grob *next_commony = common_refpoint_of_array (next_cols, next, Y_AXIS); + Grob *col = next_cols[0]; + + Interval v = col->extent (next_commony, Y_AXIS); + Real x = right_bound->relative_coordinate (commonx, X_AXIS) - left_coord; + + bottom_points.insert (Offset (x, v[DOWN]), 0); + top_points.insert (Offset (x, v[UP]), 0); } } } @@ -198,21 +199,40 @@ Cluster::brew_molecule (SCM smob) bottom_points.reverse (); top_points.reverse (); - Molecule out = brew_cluster_piece (me, bottom_points, top_points); + Stencil out = brew_cluster_piece (me, bottom_points, top_points); + out.translate_axis (- me->relative_coordinate (commony, Y_AXIS), Y_AXIS); return out.smobbed_copy (); } -ADD_INTERFACE (Cluster,"cluster-interface", - "A graphically drawn musical cluster. " -"\n\n" -"@code{padding} adds to the vertical extent of the shape (top and " -"bottom) and is expressed in units of staffspace. Since the pitch " -"range of a single pitch is infinitely small, if padding is set to " -"@code{0.0}, this possibly results in an invisible shape, if you,for " -"example, say @code{c-\\startCluster d e-\\endCluster}. The default " -"value for @code{padding} therefore is @code{0.25}, such that a single " -"pitch roughly shows the same height as a note head. " -"\n\n" -"@code{style} controls the shape of cluster segments. Valid values include 'leftsided-stairs', 'rightsided-stairs', 'centered-stairs', and 'ramp'.\n" -, - "style padding columns"); +ADD_INTERFACE (Cluster, "cluster-interface", + "A graphically drawn musical cluster. " + "\n\n" + "@code{padding} adds to the vertical extent of the shape (top and " + "bottom). \n\n" + "The property @code{style} controls the shape of cluster segments. Valid values " + "include @code{leftsided-stairs}, @code{rightsided-stairs}, @code{centered-stairs}, " + "and @code{ramp}.\n", + "style padding columns"); + +struct Cluster_beacon +{ +public: + DECLARE_SCHEME_CALLBACK (height, (SCM, SCM)); + static bool has_interface (Grob *); +}; + +MAKE_SCHEME_CALLBACK (Cluster_beacon, height, 2); +SCM +Cluster_beacon::height (SCM g, SCM) +{ + Grob *me = unsmob_grob (g); + Interval v = robust_scm2interval (me->get_property ("positions"), + Interval (0, 0)); + return ly_interval2scm (Staff_symbol_referencer::staff_space (me) * 0.5 * v); +} + +ADD_INTERFACE (Cluster_beacon, + "cluster-beacon-interface", + "A place holder for the cluster spanner to determine the vertical " + "extents of a cluster spanner at this X position.", + "positions");