source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
+
#include <math.h>
+
+#include "virtual-font-metric.hh"
+#include "all-font-metrics.hh"
#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 "warn.hh"
+#include "scaled-font-metric.hh"
#include "main.hh"
-#include "scope.hh"
-#include "dictionary-iter.hh"
-#include "file-results.hh" // urg? header_global_p
+#include "scm-hash.hh"
+#include "input-file-results.hh" // urg? header_global
#include "paper-outputter.hh"
-#include "paper-stream.hh"
+#include "ly-module.hh"
+/*
+ This is an almost empty thing. The only substantial thing this class
+ handles is scaling up and down to real-world dimensions (internally
+ dimensions are against global staff-space.)
+ */
Paper_def::Paper_def ()
{
- lookup_p_tab_p_ = new Hash_table<int, Lookup*>;
- lookup_p_tab_p_->hash_func_ = int_hash;
+ scaled_fonts_ = SCM_EOL;
+ /*
+ don't remove above statement, scm_make_hash_table may trigger GC.
+ */
+ scaled_fonts_ = scm_c_make_hash_table (11);
}
-
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)
+Paper_def::Paper_def (Paper_def const&src)
+ : Music_output_def (src)
{
- 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);
- }
+ scaled_fonts_ = SCM_EOL;
+ /*
+ don't remove above statement, scm_make_hash_table may trigger GC.
+ */
+ scaled_fonts_ = scm_c_make_hash_table (11);
}
-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
+void
+Paper_def::derived_mark ()
{
- return get_realvar (ly_symbol (s));
+ scm_gc_mark (scaled_fonts_);
}
Real
-Paper_def::get_realvar (SCM s) const
+Paper_def::get_dimension (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;
+ SCM val = lookup_variable (s);
+ SCM scale = lookup_variable (ly_symbol2scm ("outputscale"));
+
+ Real sc = ly_scm2double (scale);
+ return ly_scm2double (val) / sc;
}
+/*
+ FIXME. This is broken until we have a generic way of
+ putting lists inside the \paper block.
+ */
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 ());
+ Real lw = get_dimension (ly_symbol2scm ("linewidth"));
+ Real ind = n? 0.0:get_dimension (ly_symbol2scm ("indent"));
- if (n >= shape_int_a_.size ())
- n = shape_int_a_.size () -1;
-
- return shape_int_a_[n];
+ return Interval (ind, lw);
}
-Real
-Paper_def::beam_thickness_f () const
-{
- return get_realvar (beam_thickness_scm_sym);
-}
-Real
-Paper_def::linewidth_f () const
-{
- return get_realvar (linewidth_scm_sym);
-}
-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
+Paper_outputter*
+Paper_def::get_paper_outputter (String outname) const
{
- return (log_2 (d) + k)* get_var ("arithmetic_multiplier");
-}
+ progress_indication (_f ("paper output to `%s'...",
+ outname == "-" ? String ("<stdout>") : outname));
+ progress_indication("\n");
-void
-Paper_def::set_lookup (int i, Lookup*l)
-{
- if (lookup_p_tab_p_->elem_b (i))
- {
- delete lookup_p_tab_p_->elem (i);
- }
- l ->paper_l_ = this;
- (*lookup_p_tab_p_)[i] = l;
+ global_input_file->target_strings_.push (outname);
+ Paper_outputter * po = new Paper_outputter (outname);
+ Path p = split_path (outname);
+ p.ext = "";
+ po->basename_ = p.to_string ();
+ return po;
}
-Real
-Paper_def::rule_thickness () const
-{
- return get_realvar (rulethickness_scm_sym);
-}
-Real
-Paper_def::staffline_f () const
+Font_metric *
+Paper_def::find_scaled_font (Font_metric *f, Real m)
{
- return get_realvar (rulethickness_scm_sym);
+ SCM sizes = scm_hashq_ref (scaled_fonts_, f->self_scm (), SCM_BOOL_F);
+ if (sizes != SCM_BOOL_F)
+ {
+ SCM met = scm_assoc (scm_make_real (m), sizes);
+ if (ly_pair_p (met))
+ return unsmob_metrics (ly_cdr (met));
}
-
-Real
-Paper_def::staffheight_f () const
-{
- return get_realvar (staffheight_scm_sym);
+ else
+ {
+ sizes = SCM_EOL;
}
+
-Real
-Paper_def::interbeam_f (int multiplicity_i) const
-{
- if (multiplicity_i <= 3)
- return get_realvar (interbeam_scm_sym);
+ /*
+ Hmm. We're chaining font - metrics. Should consider wether to merge
+ virtual-font and scaled_font.
+ */
+ SCM val = SCM_EOL;
+ if (Virtual_font_metric * vf = dynamic_cast<Virtual_font_metric*> (f))
+ {
+ /*
+ For fontify_atom (), the magnification and name must be known
+ at the same time. That's impossible for
+
+ Scaled (Virtual_font (Font1,Font2))
+
+ so we replace by
+
+ Virtual_font (Scaled (Font1), Scaled (Font2))
+
+ */
+ SCM l = SCM_EOL;
+ SCM *t = &l;
+ for (SCM s = vf->get_font_list (); ly_pair_p (s); s = ly_cdr (s))
+ {
+ Font_metric*scaled
+ = find_scaled_font (unsmob_metrics (ly_car (s)), m);
+ *t = scm_cons (scaled->self_scm (), SCM_EOL);
+ t = SCM_CDRLOC(*t);
+ }
+
+ vf = new Virtual_font_metric (l);
+ val = vf->self_scm ();
+ }
else
- return get_realvar (interbeam4_scm_sym);
-}
-
-Real
-Paper_def::note_width () const
-{
- return get_realvar (notewidth_scm_sym);
-}
-
-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';
+ SCM scale_var = ly_module_lookup (scope_, ly_symbol2scm ("outputscale"));
+ SCM coding_var = ly_module_lookup (scope_, ly_symbol2scm ("inputencoding"));
+
+ m /= ly_scm2double (scm_variable_ref (scale_var));
+ val = Modified_font_metric::make_scaled_font_metric (scm_variable_ref (coding_var),
+ f, m);
}
- DOUT << "}\n";
-#endif
-}
+ sizes = scm_acons (scm_make_real (m), val, sizes);
+ scm_gc_unprotect_object (val);
-Lookup const *
-Paper_def::lookup_l (int i) const
-{
- return (*lookup_p_tab_p_)[i];
+ scm_hashq_set_x (scaled_fonts_, f->self_scm (), sizes);
+
+ return unsmob_metrics (val);
}
-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
+/*
+ Return alist to translate internally used fonts back to real-world
+ coordinates. */
+SCM
+Paper_def::font_descriptions () 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");
-
-
- *p->outstream_l_ << *scope_p_->elem (String (output_global_ch) + "setting")->access_content_String (false);
-
- 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);
+ SCM func = ly_scheme_function ("hash-table->alist");
- return p;
+ SCM l = SCM_EOL;
+ for (SCM s = scm_call_1 (func, scaled_fonts_); ly_pair_p (s); s = ly_cdr (s))
+ {
+ SCM entry = ly_car (s);
+ for (SCM t = ly_cdr (entry); ly_pair_p (t); t = ly_cdr (t))
+ {
+ Font_metric *fm= unsmob_metrics (ly_cdar (t));
+
+ if (dynamic_cast<Modified_font_metric*> (fm))
+ l = scm_cons (fm->self_scm (), l);
+ }
+ }
+ return l;
}
-Paper_stream*
-Paper_def::paper_stream_p () const
+Paper_def*
+unsmob_paper (SCM x)
{
- String outname = base_output_str ();
-
- 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 dynamic_cast<Paper_def*> (unsmob_music_output_def (x));
}
+
-
-String
-Paper_def::base_output_str () const
+LY_DEFINE (ly_paper_def_p, "ly:paper-def?",
+ 1, 0,0, (SCM def),
+ "Is @var{def} a paper definition?")
{
- String str = get_default_output ();
+ Paper_def *op = dynamic_cast<Paper_def*> (unsmob_music_output_def (def));
- if (str.empty_b ())
- {
- str = default_outname_base_global;
- int def = get_next_default_count ();
- if (def)
- str += "-" + to_str (def);
- }
- return str;
+ bool pap = op;
+ return ly_bool2scm (pap);
}
-
projects / lilypond.git / blobdiff