/*
- paper-def.cc -- implement Paper_def
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2004--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
-
-#include <math.h>
-#include "string.hh"
-#include "assoc.hh"
-#include "misc.hh"
-#include "paper-def.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "assoc-iter.hh"
-#include "score-engraver.hh"
-#include "p-score.hh"
-#include "identifier.hh"
-#include "main.hh"
-#include "scope.hh"
-#include "dictionary-iter.hh"
-#include "file-results.hh" // urg? header_global_p
-#include "paper-outputter.hh"
-#include "paper-stream.hh"
-
-Paper_def::Paper_def ()
-{
- lookup_p_assoc_p_ = new Assoc<int, Lookup*>;
-}
-
-
-Paper_def::~Paper_def ()
-{
- for (Assoc_iter<int, Lookup*> ai(*lookup_p_assoc_p_); ai.ok (); ai++)
- {
- delete ai.val ();
- }
-
- delete lookup_p_assoc_p_;
-}
-
-Paper_def::Paper_def (Paper_def const&s)
- : Music_output_def (s)
-{
- lookup_p_assoc_p_ = new Assoc<int, Lookup*>;
- for (Assoc_iter<int, Lookup*> ai(*s.lookup_p_assoc_p_); ai.ok (); ai++)
- {
- Lookup * l = new Lookup (*ai.val ());
- l->paper_l_ = this;
- set_lookup (ai.key(), l);
- }
-}
-
-Real
-Paper_def::get_var (String s) const
-{
- if (!scope_p_->elem_b (s))
- error (_f ("unknown paper variable: `%s\'", s));
- Real * p = scope_p_->elem (s)->access_content_Real (false);
- if (!p)
- {
- error (_ ("not a real variable"));
- return 0.0;
- }
-
- return *p;
-}
-
-Interval
-Paper_def::line_dimensions_int (int n) const
-{
- if (!shape_int_a_.size ())
- if (n)
- return Interval (0, linewidth_f ());
- else
- return Interval (get_var ("indent"), linewidth_f ());
-
- if (n >= shape_int_a_.size ())
- n = shape_int_a_.size () -1;
+ 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.
- return shape_int_a_[n];
-}
-
-Real
-Paper_def::beam_thickness_f () const
-{
- return get_var ("beam_thickness");
-}
-
-Real
-Paper_def::linewidth_f () const
-{
- return get_var ("linewidth");
-}
-
-Real
-Paper_def::duration_to_dist (Moment d,Real k) const
-{
- return arithmetic_spacing (d,k);
-}
+ 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/>.
+*/
-/**
- Get the measure wide constant for arithmetic.
-
- @see
- John S. Gourlay. ``Spacing a Line of Music,'' Technical Report
- OSU-CISRC-10/87-TR35, Department of Computer and Information Science,
- The Ohio State University, 1987.
+#include "dimensions.hh"
+#include "libc-extension.hh"
+#include "output-def.hh"
+#include "modified-font-metric.hh"
+#include "pango-font.hh"
+#include "all-font-metrics.hh"
+#include "lily-imports.hh"
- */
Real
-Paper_def::arithmetic_constant (Moment d) const
+output_scale (Output_def *od)
{
- return get_var ("arithmetic_basicspace") - log_2 (Moment (1,8) <? d);
+ return scm_to_double (od->lookup_variable (ly_symbol2scm ("output-scale")));
}
-Real
-Paper_def::arithmetic_spacing (Moment d ,Real k) const
-{
- return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
-}
-
-Real
-Paper_def::geometric_spacing (Moment d) const
+SCM
+get_font_table (Output_def *def)
{
- Real dur_f = (d) ?pow (get_var ("geometric"), log_2 (d)) : 0;
- return get_var ("basicspace") + get_var ("unitspace") * dur_f;
-}
-
-void
-Paper_def::set_lookup (int i, Lookup*l)
-{
- if (lookup_p_assoc_p_->elem_b (i))
+ SCM font_table = def->lookup_variable (ly_symbol2scm ("scaled-fonts"));
+ if (!to_boolean (scm_hash_table_p (font_table)))
{
- delete lookup_p_assoc_p_->elem (i);
+ font_table = scm_c_make_hash_table (11);
+ def->set_variable (ly_symbol2scm ("scaled-fonts"), font_table);
}
- l ->paper_l_ = this;
- (*lookup_p_assoc_p_)[i] = l;
-}
-
-Real
-Paper_def::interline_f () const
-{
- return get_var ("interline");
-}
-
-Real
-Paper_def::rule_thickness () const
-{
- return get_var ("rulethickness");
-}
-
-Real
-Paper_def::staffline_f () const
-{
- return get_var ("rulethickness");
-}
-
-Real
-Paper_def::staffheight_f () const
-{
- return get_var ("staffheight");
+ return font_table;
}
-Real
-Paper_def::interbeam_f (int multiplicity_i) const
+SCM
+get_pango_font_table (Output_def *def)
{
- if (multiplicity_i <= 3)
- return get_var ("interbeam");
- else
- return get_var ("interbeam4");
-}
-
-Real
-Paper_def::internote_f () const
-{
- return get_var ("interline") /2.0 ;
-}
-
-Real
-Paper_def::note_width () const
-{
- return get_var ("notewidth");
-}
-
-void
-Paper_def::print () const
-{
-#ifndef NPRINT
- Music_output_def::print ();
- DOUT << "Paper {";
-
- for (Assoc_iter<int, Lookup*> ai(*lookup_p_assoc_p_); ai.ok (); ai++)
+ SCM font_table = def->lookup_variable (ly_symbol2scm ("pango-fonts"));
+ if (!to_boolean (scm_hash_table_p (font_table)))
{
- DOUT << "Lookup: " << ai.key () ;
- ai.val ()->print ();
+ font_table = scm_c_make_hash_table (11);
+ def->set_variable (ly_symbol2scm ("pango-fonts"), font_table);
}
-
- DOUT << "}\n";
-#endif
+ return font_table;
}
-Lookup const *
-Paper_def::lookup_l (int i) const
+/* TODO: should add nesting for Output_def here too. */
+Font_metric *
+find_scaled_font (Output_def *mod, Font_metric *f, Real m)
{
- return (*lookup_p_assoc_p_)[i];
-}
-
-IMPLEMENT_IS_TYPE_B1 (Paper_def, Music_output_def);
-
-int Paper_def::default_count_i_ = 0;
-
-int
-Paper_def::get_next_default_count () const
-{
- return default_count_i_ ++;
-}
+ if (mod->parent_)
+ return find_scaled_font (mod->parent_, f, m);
-void
-Paper_def::reset_default_count()
-{
- default_count_i_ = 0;
-}
-
-//urg
-extern char const* lily_version_number_sz ();
-
-void
-output_def (Paper_outputter* p, String key, String val)
-{
- SCM args_scm =
- gh_cons (gh_str02scm (key.ch_l ()), gh_cons (gh_str02scm (val.ch_l ()), SCM_EOL));
- SCM scm =
- ly_append (ly_lambda_o (),
- ly_list1 (ly_append (ly_func_o ("lily-def"), args_scm)));
- p->output_scheme (scm);
-}
+ Real lookup_mag = m / output_scale (mod);
-void
-output_header (Paper_outputter* p, Scope *head)
-{
- if (!head)
- return;
+ SCM font_table = get_font_table (mod);
+ SCM sizes = scm_hashq_ref (font_table, f->self_scm (), SCM_EOL);
+ SCM handle = scm_assoc (scm_from_double (lookup_mag), sizes);
+ if (scm_is_pair (handle))
+ return unsmob<Font_metric> (scm_cdr (handle));
- String id_str = "Lily was here";
- if (no_timestamps_global_b)
- id_str += ".";
- else
- id_str += String (", ") + lily_version_number_sz ();
- output_def (p, "LilyIdString", id_str);
-
- for (Dictionary_iter<Identifier*> i (*head); i.ok (); i++)
- {
- if (!i.val ()->access_content_String (false))
- continue;
-
- String val = *i.val()->access_content_String (false);
- output_def (p, "mudela" + i.key (), val);
- }
-}
+ SCM val = Modified_font_metric::make_scaled_font_metric (f, lookup_mag);
-void
-Paper_def::output_settings (Paper_outputter* p) const
-{
- for (Dictionary_iter<Identifier*> i (*scope_p_); i.ok (); i++)
- output_def (p, String ("mudelapaper") + i.key (), i.val ()->str ());
- p->output_string (*scope_p_->elem (String (output_global_ch) + "setting")->access_content_String (false));
+ sizes = scm_acons (scm_from_double (lookup_mag), val, sizes);
+ unsmob<Font_metric> (val)->unprotect ();
+ scm_hashq_set_x (font_table, f->self_scm (), sizes);
+ return unsmob<Font_metric> (val);
}
-Paper_outputter*
-Paper_def::paper_outputter_p (Paper_stream* os_p, Header* header_l, String origin_str) const
+Font_metric *
+find_pango_font (Output_def *layout, SCM descr, Real factor)
{
- Paper_outputter* p = new Paper_outputter (os_p);
-
- output_header (p, header_global_p);
-#if 0
- // for now; breaks -fscm output
- p->output_comment (_ ("outputting Score, defined at: "));
- p->output_comment (origin_str);
-#endif
+ if (layout->parent_)
+ return find_pango_font (layout->parent_, descr, factor);
- output_header (p, header_l);
+ SCM table = get_pango_font_table (layout);
+ SCM sizes = scm_hash_ref (table, descr, SCM_EOL);
+ SCM size_key = scm_from_double (factor);
+ SCM handle = scm_assoc (size_key, sizes);
+ if (scm_is_pair (handle))
+ return unsmob<Font_metric> (scm_cdr (handle));
- output_settings (p);
+ PangoFontDescription *description
+ = pango_font_description_from_string (scm_i_string_chars (descr));
- SCM scm =
- ly_append (ly_lambda_o (),
- ly_list1 (ly_append (ly_func_o ("experimental-on"), SCM_EOL)));
+ pango_font_description_set_size
+ (description,
+ gint (my_round (factor * pango_font_description_get_size (description))));
- p->output_scheme (scm);
+ Font_metric *fm = all_fonts_global->find_pango_font (description,
+ output_scale (layout));
- scm =
- ly_append (ly_lambda_o (),
- ly_list1 (ly_append (ly_func_o ("header-end"), SCM_EOL)));
+ pango_font_description_free (description);
- p->output_scheme (scm);
+ sizes = scm_acons (size_key, fm->self_scm (), sizes);
+ scm_hash_set_x (table, descr, sizes);
- return p;
+ return fm;
}
-Paper_stream*
-Paper_def::paper_stream_p () const
+/* TODO: this is a nasty interface. During formatting,
+ the Output_def should be scaled to the output_scale_
+ specified in the toplevel Output_def. */
+Output_def *
+scale_output_def (Output_def *o, Real amount)
{
- String outname = base_output_str ();
+ SCM new_pap = Lily::scale_layout (o->self_scm (), scm_from_double (amount));
- if (outname != "-")
- outname += String (".") + output_global_ch;
- *mlog << _f ("Paper output to %s...",
- outname == "-" ? String ("<stdout>") : outname ) << endl;
- target_str_global_array.push (outname);
- return new Paper_stream (outname);
-}
-
-
-String
-Paper_def::base_output_str () const
-{
- String str = get_default_output ();
-
- if (str.empty_b ())
- {
- str = default_outname_base_global;
- int def = get_next_default_count ();
- if (def)
- str += "-" + to_str (def);
- }
- return str;
+ o = unsmob<Output_def> (new_pap);
+ o->protect ();
+ return o;
}
projects / lilypond.git / blobdiff