/*
- 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--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-*/
-
-#include <math.h>
-#include "string.hh"
-#include "misc.hh"
-#include "paper-def.hh"
-#include "debug.hh"
-#include "lookup.hh"
-#include "score-engraver.hh"
-#include "paper-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_tab_p_ = new Hash_table<int, Lookup*>;
- lookup_p_tab_p_->hash_func_ = int_hash;
-}
-
-
-Paper_def::~Paper_def ()
-{
- for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
- {
- delete ai.val ();
- }
-
- delete lookup_p_tab_p_;
-}
-
-Paper_def::Paper_def (Paper_def const&s)
- : Music_output_def (s)
-{
- shape_int_a_ = s.shape_int_a_;
- lookup_p_tab_p_ = new Hash_table<int, Lookup*>;
- lookup_p_tab_p_->hash_func_ = int_hash;
-
- for (Hash_table_iter<int, Lookup*> ai(*s.lookup_p_tab_p_); ai.ok (); ai++)
- {
- Lookup * l = new Lookup (*ai.val ());
- set_lookup (ai.key(), l);
- }
-}
-
-SCM
-Paper_def::get_scm_var (SCM s) const
-{
- if (!scope_p_->elem_b (s))
- return SCM_BOOL_F;
-
- Identifier * id = scope_p_->elem (s);
-
- SCM z;
- SCM_NEWCELL (z);
- SCM_SETCAR(z, s);
-
- SCM val;
-
- if (dynamic_cast<Real_identifier*> (id))
- {
- Real r = *id->access_content_Real (false);
- val = gh_double2scm (r);
- }
- else
- {
- return SCM_BOOL_F;
- }
-
- SCM_SETCDR(z,val);
- return z;
-}
-
-Real
-Paper_def::get_var (String s) const
-{
- return get_realvar (ly_symbol (s));
-}
-
-Real
-Paper_def::get_realvar (SCM s) const
-{
- if (!scope_p_->elem_b (s))
- error (_f ("unknown paper variable: `%s'", symbol_to_string (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 ())
- {
- Real lw = get_realvar (linewidth_scm_sym);
- Real ind = n? 0.0:get_var ("indent");
-
- return Interval (ind, lw);
- }
-
- if (n >= shape_int_a_.size ())
- n = shape_int_a_.size () -1;
-
- return shape_int_a_[n];
-}
+ 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.
-Real
-Paper_def::length_mom_to_dist (Moment d,Real k) const
-{
- return arithmetic_spacing (d,k);
-}
-
-
-/**
- Get the measure wide constant for arithmetic spacing.
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
- @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");
-}
-
-void
-Paper_def::set_lookup (int i, Lookup*l)
+SCM
+get_font_table (Output_def *def)
{
- if (lookup_p_tab_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_tab_p_->elem (i);
+ font_table = scm_c_make_hash_table (11);
+ def->set_variable (ly_symbol2scm ("scaled-fonts"), font_table);
}
- (*lookup_p_tab_p_)[i] = l;
-}
-
-
-Real
-Paper_def::interbeam_f (int multiplicity_i) const
-{
- if (multiplicity_i <= 3)
- return get_realvar (interbeam_scm_sym);
- else
- return get_realvar (interbeam4_scm_sym);
+ return font_table;
}
-
-void
-Paper_def::print () const
+SCM
+get_pango_font_table (Output_def *def)
{
-#ifndef NPRINT
- Music_output_def::print ();
- DEBUG_OUT << "Paper {";
-
- for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
+ SCM font_table = def->lookup_variable (ly_symbol2scm ("pango-fonts"));
+ if (!to_boolean (scm_hash_table_p (font_table)))
{
- DEBUG_OUT << "Lookup: " << ai.key () << " = " << ai.val ()->font_name_ << '\n';
+ font_table = scm_c_make_hash_table (11);
+ def->set_variable (ly_symbol2scm ("pango-fonts"), font_table);
}
-
- DEBUG_OUT << "}\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_tab_p_)[i];
-}
+ if (mod->parent_)
+ return find_scaled_font (mod->parent_, f, m);
+ Real lookup_mag = m / output_scale (mod);
+ 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));
-int Paper_def::default_count_i_ = 0;
+ SCM val = Modified_font_metric::make_scaled_font_metric (f, lookup_mag);
-int
-Paper_def::get_next_default_count () const
-{
- return default_count_i_ ++;
+ 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);
}
-void
-Paper_def::reset_default_count()
+Font_metric *
+find_pango_font (Output_def *layout, SCM descr, Real factor)
{
- default_count_i_ = 0;
-}
+ if (layout->parent_)
+ return find_pango_font (layout->parent_, descr, factor);
-Paper_outputter*
-Paper_def::paper_outputter_p (Paper_stream* os_p, Scope* header_l, String origin_str) const
-{
- Paper_outputter* p = new Paper_outputter (os_p);
+ 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));
- // for now; breaks -fscm output
- p->output_comment (_ ("Outputting Score, defined at: "));
- p->output_comment (origin_str);
+ PangoFontDescription *description
+ = pango_font_description_from_string (scm_i_string_chars (descr));
- p->output_version();
- if (header_global_p)
- p->output_scope (header_global_p, "mudela");
- if (header_l)
- p->output_scope (header_l, "mudela");
- if (scope_p_)
- p->output_scope (scope_p_, "mudelapaper");
-
+ pango_font_description_set_size
+ (description,
+ gint (my_round (factor * pango_font_description_get_size (description))));
- // *p->outstream_l_ << *scope_p_->elem (String (output_global_ch) + "setting")->access_content_String (false);
+ Font_metric *fm = all_fonts_global->find_pango_font (description,
+ output_scale (layout));
- SCM scm = gh_list (ly_symbol ("experimental-on"), SCM_UNDEFINED);
- p->output_scheme (scm);
- scm = gh_list (ly_symbol ("header-end"), SCM_UNDEFINED);
- p->output_scheme (scm);
+ pango_font_description_free (description);
- return p;
-}
-
-Paper_stream*
-Paper_def::paper_stream_p () const
-{
- String outname = base_output_str ();
+ sizes = scm_acons (size_key, fm->self_scm (), sizes);
+ scm_hash_set_x (table, descr, sizes);
- 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);
+ return fm;
}
-
-String
-Paper_def::base_output_str () 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 str = get_default_output ();
+ SCM new_pap = Lily::scale_layout (o->self_scm (), scm_from_double (amount));
- 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