/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2014 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
#include "grob.hh"
#include <cstring>
+#include <set>
#include "align-interface.hh"
#include "axis-group-interface.hh"
#include "stencil.hh"
#include "stream-event.hh"
#include "system.hh"
+#include "unpure-pure-container.hh"
#include "warn.hh"
#include "ly-smobs.icc"
if (get_property_data ("X-extent") == SCM_EOL)
set_property ("X-extent", Grob::stencil_width_proc);
if (get_property_data ("Y-extent") == SCM_EOL)
- set_property ("Y-extent", Grob::stencil_height_proc);
+ set_property ("Y-extent",
+ ly_make_unpure_pure_container (Grob::stencil_height_proc,
+ Grob::pure_stencil_height_proc));
+ if (get_property_data ("vertical-skylines") == SCM_EOL)
+ set_property ("vertical-skylines",
+ ly_make_unpure_pure_container (Grob::simple_vertical_skylines_from_extents_proc,
+ Grob::pure_simple_vertical_skylines_from_extents_proc));
+ if (get_property_data ("horizontal-skylines") == SCM_EOL)
+ set_property ("horizontal-skylines",
+ ly_make_unpure_pure_container (Grob::simple_horizontal_skylines_from_extents_proc,
+ Grob::pure_simple_horizontal_skylines_from_extents_proc));
}
Grob::Grob (Grob const &s)
- : dim_cache_ (s.dim_cache_)
{
original_ = (Grob *) & s;
self_scm_ = SCM_EOL;
immutable_property_alist_ = s.immutable_property_alist_;
mutable_property_alist_ = SCM_EOL;
+
+ for (Axis a = X_AXIS; a < NO_AXES; incr (a))
+ dim_cache_ [a] = s.dim_cache_ [a];
+
interfaces_ = s.interfaces_;
object_alist_ = SCM_EOL;
((Grob *)this)->dim_cache_[a].extent_ = new Interval (real_ext);
}
- real_ext.translate (offset);
+ // We never want nan, so we avoid shifting infinite values.
+ if(!isinf (offset))
+ real_ext.translate(offset);
+ else
+ this->warning(_f ("ignored infinite %s-offset",
+ a == X_AXIS ? "X" : "Y"));
return real_ext;
}
Grob::pure_height (Grob *refp, int start, int end)
{
SCM iv_scm = get_pure_property ("Y-extent", start, end);
- Interval iv = robust_scm2interval (iv_scm, Interval (0, 0));
+ Interval iv = robust_scm2interval (iv_scm, Interval ());
Real offset = pure_relative_y_coordinate (refp, start, end);
SCM min_ext = get_property ("minimum-Y-extent");
MESSAGES
****************************************************************/
void
-Grob::programming_error (string s) const
+Grob::programming_error (const string &s) const
{
SCM cause = self_scm ();
while (Grob *g = unsmob_grob (cause))
}
void
-Grob::warning (string s) const
+Grob::warning (const string &s) const
{
SCM cause = self_scm ();
while (Grob *g = unsmob_grob (cause))
"color "
"cross-staff "
"id "
- "extra-X-extent "
- "extra-Y-extent "
"extra-offset "
"footnote-music "
"forced-spacing "
+ "horizontal-skylines "
"interfaces "
"layer "
"meta "
"minimum-X-extent "
"minimum-Y-extent "
- "outside-staff-horizontal-padding "
- "outside-staff-padding "
- "outside-staff-priority "
"pure-Y-offset-in-progress "
"rotation "
+ "skyline-horizontal-padding "
"springs-and-rods "
"staff-symbol "
"stencil "
"transparent "
+ "vertical-skylines "
"whiteout "
);
return grob_stencil_extent (me, Y_AXIS);
}
+MAKE_SCHEME_CALLBACK (Grob, pure_stencil_height, 3);
+SCM
+Grob::pure_stencil_height (SCM smob, SCM /* beg */, SCM /* end */)
+{
+ Grob *me = unsmob_grob (smob);
+ if (unsmob_stencil (me->get_property_data ("stencil")))
+ return grob_stencil_extent (me, Y_AXIS);
+
+ return ly_interval2scm (Interval ());
+
+}
+
MAKE_SCHEME_CALLBACK (Grob, y_parent_positioning, 1);
SCM
Grob::y_parent_positioning (SCM smob)
return common;
}
+Grob *
+common_refpoint_of_array (set<Grob *> const &arr, Grob *common, Axis a)
+{
+ set<Grob *>::iterator it;
+
+ for (it = arr.begin (); it != arr.end (); it++)
+ if (common)
+ common = common->common_refpoint (*it, a);
+ else
+ common = *it;
+
+ return common;
+}
+
Interval
robust_relative_extent (Grob *me, Grob *refpoint, Axis a)
{
return false;
}
+static
+bool
+indirect_less (Grob **a, Grob **b)
+{
+ // Use original order as tie breaker. That gives us a stable sort
+ // at the lower price tag of an unstable one, and we want a stable
+ // sort in order to reliably retain the first instance of a grob
+ // pointer.
+ return *a < *b || (*a == *b && a < b);
+}
+
+static
+bool
+indirect_eq (Grob **a, Grob **b)
+{
+ return *a == *b;
+}
+
+static
+bool
+direct_less (Grob **a, Grob **b)
+{
+ return a < b;
+}
+
+// uniquify uniquifies on the memory addresses of the Grobs, but then
+// uses the original order. This makes results independent from the
+// memory allocation of Grobs.
+
+void
+uniquify (vector <Grob *> & grobs)
+{
+ vector <Grob **> vec (grobs.size ());
+ for (vsize i = 0; i < grobs.size (); i++)
+ vec[i] = &grobs[i];
+ vector_sort (vec, indirect_less);
+ vec.erase (unique (vec.begin (), vec.end (), indirect_eq), vec.end ());
+ vector_sort (vec, direct_less);
+
+ // Since the output is a sorted copy of the input with some elements
+ // removed, we can fill in the vector in-place if we do it starting
+ // from the front.
+ for (vsize i = 0; i < vec.size (); i++)
+ grobs[i] = *vec[i];
+ grobs.erase (grobs.begin () + vec.size (), grobs.end ());
+ return;
+}