-/*
+/*
paper-def.cc -- implement Paper_def
source file of the GNU LilyPond music typesetter
- (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 2004 Han-Wen Nienhuys <hanwen@xs4all.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 "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"
+#include "dimensions.hh"
+#include "ly-module.hh"
+#include "output-def.hh"
+#include "modified-font-metric.hh"
+#include "pango-font.hh"
-
-#define SCMVAR(s) { static SCM sym; \
- if (!sym)\
- sym = scm_protect_object (ly_symbol (#s));\
- return get_realvar (sym); }
-
-
-Paper_def::Paper_def ()
+Real
+output_scale (Output_def *od)
{
- lookup_p_tab_p_ = new Hash_table<int, Lookup*>;
- lookup_p_tab_p_->hash_func_ = int_hash;
+ return scm_to_double (od->lookup_variable (ly_symbol2scm ("outputscale")));
}
-Paper_def::~Paper_def ()
+SCM
+get_font_table (Output_def *def)
{
- for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
+ SCM font_table = def->lookup_variable (ly_symbol2scm ("scaled-fonts"));
+ if (scm_hash_table_p (font_table) != SCM_BOOL_T)
{
- delete ai.val ();
+ font_table = scm_c_make_hash_table (11);
+ def->set_variable (ly_symbol2scm ("scaled-fonts"), font_table);
}
-
- delete lookup_p_tab_p_;
+ return font_table;
}
-
-Paper_def::Paper_def (Paper_def const&s)
- : Music_output_def (s)
-{
- 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 ());
- l->paper_l_ = this;
- set_lookup (ai.key(), l);
- }
-}
-
-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 ())
- 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;
-
- return shape_int_a_[n];
-}
-
-Real
-Paper_def::beam_thickness_f () const
-{
-SCMVAR(beam_thickness);
-}
-
-Real
-Paper_def::linewidth_f () const
-{
-SCMVAR(linewidth);
-}
-
-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.
-
- @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.
-
- */
-Real
-Paper_def::arithmetic_constant (Moment d) const
-{
- return get_var ("arithmetic_basicspace") - log_2 (Moment (1,8) <? d);
-}
-Real
-Paper_def::arithmetic_spacing (Moment d ,Real k) const
+/* TODO: should add nesting for Output_def here too. */
+Font_metric *
+find_scaled_font (Output_def *mod, Font_metric *f, Real m)
{
- return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
-}
+ if (mod->parent_)
+ return find_scaled_font (mod->parent_, f, m);
+
+ Real lookup_mag = m / output_scale (mod);
-void
-Paper_def::set_lookup (int i, Lookup*l)
-{
- if (lookup_p_tab_p_->elem_b (i))
+
+
+ SCM font_table = get_font_table (mod);
+ SCM sizes = scm_hashq_ref (font_table, f->self_scm (), SCM_BOOL_F);
+ if (sizes != SCM_BOOL_F)
{
- delete lookup_p_tab_p_->elem (i);
+ SCM met = scm_assoc (scm_make_real (lookup_mag), sizes);
+ if (scm_is_pair (met))
+ return unsmob_metrics (scm_cdr (met));
}
- l ->paper_l_ = this;
- (*lookup_p_tab_p_)[i] = l;
-}
-
-
-Real
-Paper_def::interline_f () const
-{
- SCMVAR(interline)
-}
-
-Real
-Paper_def::rule_thickness () const
-{
- SCMVAR(rulethickness);
-}
-
-Real
-Paper_def::staffline_f () const
-{
- SCMVAR(rulethickness)
-}
-
-Real
-Paper_def::staffheight_f () const
-{
- SCMVAR(staffheight)
-}
-
-Real
-Paper_def::interbeam_f (int multiplicity_i) const
-{
- if (multiplicity_i <= 3)
- SCMVAR(interbeam)
else
- SCMVAR(interbeam4)
-}
-
-Real
-Paper_def::internote_f () const
-{
- return interline_f () /2.0 ;
-}
-
-Real
-Paper_def::note_width () const
-{
-SCMVAR(notewidth)
-}
-
-void
-Paper_def::print () const
-{
-#ifndef NPRINT
- Music_output_def::print ();
- DOUT << "Paper {";
-
- for (Hash_table_iter<int, Lookup*> ai(*lookup_p_tab_p_); ai.ok (); ai++)
- {
- DOUT << "Lookup: " << ai.key () << " = " << ai.val ()->font_name_ << '\n';
- }
-
- DOUT << "}\n";
-#endif
-}
-
-Lookup const *
-Paper_def::lookup_l (int i) const
-{
- return (*lookup_p_tab_p_)[i];
-}
-
-
-
-int Paper_def::default_count_i_ = 0;
-
-int
-Paper_def::get_next_default_count () const
-{
- return default_count_i_ ++;
-}
-
-void
-Paper_def::reset_default_count()
-{
- default_count_i_ = 0;
-}
-
-Paper_outputter*
-Paper_def::paper_outputter_p (Paper_stream* os_p, Header* header_l, String origin_str) const
-{
- Paper_outputter* p = new Paper_outputter (os_p);
-
- // for now; breaks -fscm output
- p->output_comment (_ ("outputting Score, defined at: "));
- p->output_comment (origin_str);
-
- 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");
+ sizes = SCM_EOL;
- if (output_global_ch == String("tex"))
- {
- *p->outstream_l_ << *scope_p_->elem ("texsetting")->access_content_String (false);
- }
+ SCM val = Modified_font_metric::make_scaled_font_metric (f, lookup_mag);
-
- 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);
-
- return p;
+ sizes = scm_acons (scm_make_real (lookup_mag), val, sizes);
+ scm_gc_unprotect_object (val);
+ scm_hashq_set_x (font_table, f->self_scm (), sizes);
+ return unsmob_metrics (val);
}
-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 proc = ly_lily_module_constant ("scale-layout");
+ SCM new_pap = scm_call_2 (proc, o->self_scm (), scm_double2num (amount));
+ scm_gc_protect_object (new_pap);
- 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 unsmob_output_def (new_pap);
}
-
-String
-Paper_def::base_output_str () const
+LY_DEFINE (ly_paper_fonts, "ly:paper-fonts",
+ 1, 0, 0,
+ (SCM bp),
+ "Return fonts from the @code{\\paper} block @var{bp}.")
{
- String str = get_default_output ();
+ Output_def *b = unsmob_output_def (bp);
- if (str.empty_b ())
+ SCM font_table = b->lookup_variable (ly_symbol2scm ("scaled-fonts"));
+
+ SCM_ASSERT_TYPE (b, bp, SCM_ARG1, __FUNCTION__, "paper");
+
+ SCM ell = SCM_EOL;
+ if (scm_hash_table_p (font_table) == SCM_BOOL_T)
{
- str = default_outname_base_global;
- int def = get_next_default_count ();
- if (def)
- str += "-" + to_str (def);
+ SCM func = ly_lily_module_constant ("hash-table->alist");
+
+ for (SCM s = scm_call_1 (func, font_table); scm_is_pair (s);
+ s = scm_cdr (s))
+ {
+ SCM entry = scm_car (s);
+ for (SCM t = scm_cdr (entry); scm_is_pair (t); t = scm_cdr (t))
+ {
+ Font_metric *fm = unsmob_metrics (scm_cdar (t));
+
+ if (dynamic_cast<Modified_font_metric*> (fm)
+ || dynamic_cast<Pango_font*> (fm))
+ ell = scm_cons (fm->self_scm (), ell);
+ }
+ }
}
- return str;
+ return ell;
}
-
projects / lilypond.git / blobdiff