--- /dev/null
+/*
+ lookup.cc -- implement simple Lookup methods.
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 1997--1998 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+ Jan Nieuwenhuizen <janneke@gnu.org>
+
+ TODO
+ Glissando
+*/
+
+#include <ctype.h>
+#include "lookup.hh"
+#include "debug.hh"
+#include "dimensions.hh"
+#include "scalar.hh"
+#include "paper-def.hh"
+#include "string-convert.hh"
+#include "file-path.hh"
+#include "main.hh"
+#include "lily-guile.hh"
+#include "all-fonts.hh"
+#include "afm.hh"
+#include "scope.hh"
+#include "molecule.hh"
+
+SCM
+array_to_list (SCM *a , int l)
+{
+ SCM list = SCM_EOL;
+ for (int i= l; i--; )
+ {
+ list = gh_cons (a[i], list);
+ }
+ return list;
+}
+
+
+Lookup::Lookup ()
+{
+ paper_l_ = 0;
+ afm_l_ = 0;
+}
+
+Lookup::Lookup (Lookup const& s)
+{
+ font_name_ = s.font_name_;
+ paper_l_ = 0;
+ afm_l_ = 0;
+}
+
+
+
+Molecule
+Lookup::accidental (int j, bool cautionary) const
+{
+ Molecule m(afm_find (String ("accidentals") + String ("-") + to_str (j)));
+ if (cautionary)
+ {
+ Atom open = afm_find (String ("accidentals") + String ("-("));
+ Atom close = afm_find (String ("accidentals") + String ("-)"));
+ m.add_at_edge(X_AXIS, LEFT, Molecule(open), 0);
+ m.add_at_edge(X_AXIS, RIGHT, Molecule(close), 0);
+ }
+ return m;
+}
+
+
+
+Atom
+Lookup::afm_find (String s, bool warn) const
+{
+ if (!afm_l_)
+ ((Lookup*)this)->afm_l_ = all_fonts_global_p->find_afm (font_name_);
+
+ Adobe_font_char_metric m = afm_l_->find_char (s, warn);
+
+ Atom a;
+ if (m.code () < 0)
+ return a;
+
+ a.dim_ = m.dimensions();
+
+ a.lambda_ = gh_list (ly_symbol ("char"),
+ gh_int2scm (m.code ()),
+ SCM_UNDEFINED);
+ a.font_ = font_name_;
+ return a;
+}
+
+Atom
+Lookup::ball (int j) const
+{
+ if (j > 2)
+ j = 2;
+
+ return afm_find (String ("balls") + String ("-") + to_str (j));
+}
+
+Atom
+Lookup::simple_bar (String type, Real h) const
+{
+ SCM thick = ly_symbol ("barthick_" + type);
+ Real w = 0.1 PT;
+ if (paper_l_->scope_p_->elem_b (thick))
+ {
+ w = paper_l_->get_realvar (thick);
+ }
+
+ Atom a;
+ a.lambda_ = gh_list (ly_symbol ("filledbox"),
+ gh_double2scm (0),
+ gh_double2scm (w),
+ gh_double2scm (h/2),
+ gh_double2scm (h/2),
+ SCM_UNDEFINED);
+
+ a.dim_[X_AXIS] = Interval(0,w);
+ a.dim_[Y_AXIS] = Interval (-h/2, h/2);
+ return a;
+}
+
+
+Molecule
+Lookup::bar (String str, Real h) const
+{
+ Real kern = paper_l_->get_var ("bar_kern");
+ Real thinkern = paper_l_->get_var ("bar_thinkern");
+ Atom thin = simple_bar ("thin", h);
+ Atom thick = simple_bar ("thick", h);
+ Atom colon = afm_find ("dots-repeatcolon");
+
+ Molecule m;
+
+ if (str == "")
+ {
+ return fill (Box (Interval(0,0),Interval (-h/2, h/2)));
+ }
+ else if (str == "|")
+ {
+ return thin;
+ }
+ else if (str == "|.")
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick, 0);
+ m.add_at_edge (X_AXIS, LEFT, thin,kern);
+ }
+ else if (str == ".|")
+ {
+ m.add_at_edge (X_AXIS, RIGHT, thick, kern);
+ m.add_at_edge (X_AXIS, RIGHT, thin, 0);
+ }
+ else if (str == ":|")
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick, 0);
+ m.add_at_edge (X_AXIS, LEFT, thin, kern);
+ m.add_at_edge (X_AXIS, LEFT, colon, kern);
+ }
+ else if (str == "|:")
+ {
+ m.add_at_edge (X_AXIS, RIGHT, thick,0);
+ m.add_at_edge (X_AXIS, RIGHT, thin,kern);
+ m.add_at_edge (X_AXIS, RIGHT, colon,kern);
+ }
+ else if (str == ":|:")
+ {
+ m.add_at_edge (X_AXIS, LEFT, thick,kern/2);
+ m.add_at_edge (X_AXIS, LEFT, colon,kern);
+ m.add_at_edge (X_AXIS, RIGHT, thick,kern);
+ m.add_at_edge (X_AXIS, RIGHT, colon,kern);
+ }
+ else if (str == "||")
+ {
+ m.add_at_edge (X_AXIS, RIGHT, thin,0);
+ m.add_at_edge (X_AXIS, RIGHT, thin,thinkern);
+ }
+
+ else if (str == ".|.")
+ {
+ m.add_at_edge (X_AXIS, RIGHT, thick, 0);
+ m.add_at_edge (X_AXIS, RIGHT, thick, kern);
+ }
+
+ return m;
+}
+
+Atom
+Lookup::beam (Real slope, Real width, Real thick) const
+{
+ Real height = slope * width;
+ Real min_y = (0 <? height) - thick/2;
+ Real max_y = (0 >? height) + thick/2;
+
+ Atom a;
+ a.lambda_ = gh_list (ly_symbol ("beam"),
+ gh_double2scm (width),
+ gh_double2scm (slope),
+ gh_double2scm (thick),
+ SCM_UNDEFINED);
+
+ a.dim_[X_AXIS] = Interval (0, width);
+ a.dim_[Y_AXIS] = Interval (min_y, max_y);
+ return a;
+}
+
+Atom
+Lookup::clef (String st) const
+{
+ return afm_find (String ("clefs") + String ("-") + st);
+}
+
+SCM
+offset2scm (Offset o)
+{
+ return gh_list (gh_double2scm (o[X_AXIS]), gh_double2scm(o[Y_AXIS]),
+ SCM_UNDEFINED);
+}
+
+Atom
+Lookup::dashed_slur (Array<Offset> controls, Real thick, Real dash) const
+{
+ assert (controls.size () == 8);
+ Offset d = controls[3] - controls[0];
+
+ Real dx = d[X_AXIS];
+ Real dy = d[Y_AXIS];
+
+ Atom a;
+ a.font_ = font_name_;
+ a.dim_[X_AXIS] = Interval (0, dx);
+ a.dim_[Y_AXIS] = Interval (0 <? dy, 0 >? dy);
+
+ SCM sc[4];
+ for (int i=0; i< 4; i++)
+ {
+ sc[i] = offset2scm (controls[i]);
+ }
+
+ a.lambda_ =
+ gh_list (ly_symbol ("dashed-slur"),
+ gh_double2scm (thick),
+ gh_double2scm (dash),
+ ly_quote_scm (array_to_list (sc, 4)),
+ SCM_UNDEFINED);
+
+ return a;
+}
+
+Atom
+Lookup::dots () const
+{
+ return afm_find (String ("dots") + String ("-") + String ("dot"));
+}
+
+
+Atom
+Lookup::extender (Real width) const
+{
+ Atom a;
+ a.lambda_ = gh_list (ly_symbol ("extender"),
+ gh_double2scm (width),
+ SCM_UNDEFINED);
+
+ a.dim_[X_AXIS] = Interval (0, width);
+ a.dim_[Y_AXIS] = Interval (0,0);
+
+ a.font_ = font_name_;
+ return a;
+}
+
+Atom
+Lookup::fill (Box b) const
+{
+ Atom a;
+ a.dim_ = b;
+ return a;
+}
+
+Atom
+Lookup::flag (int j, Direction d) const
+{
+ char c = (d == UP) ? 'u' : 'd';
+ Atom a = afm_find (String ("flags") + String ("-") + to_str (c) + to_str (j));
+ return a;
+}
+
+Atom
+Lookup::rest (int j, bool o) const
+{
+ return afm_find (String ("rests")
+ + String ("-") + to_str (j) + (o ? "o" : ""));
+}
+
+Atom
+Lookup::rule_symbol (Real height, Real width) const
+{
+ Atom a;
+ a.lambda_ = gh_list (ly_symbol ("rulesym"),
+ gh_double2scm (height),
+ gh_double2scm (width),
+ SCM_UNDEFINED);
+ a.dim_.x () = Interval (0, width);
+ a.dim_.y () = Interval (0, height);
+ return a;
+}
+
+Atom
+Lookup::script (String str) const
+{
+ return afm_find (String ("scripts") + String ("-") + str);
+}
+
+Atom
+Lookup::special_time_signature (String s, Array<int> arr) const
+{
+ // First guess: s contains only the signature style
+ assert (arr.size () >1);
+ String symbolname = "timesig-" + s + to_str (arr[0]) + "/" + to_str (arr[1]);
+
+ Atom a = afm_find (symbolname, false);
+ if (!a.empty ())
+ return a;
+
+ // Second guess: s contains the full signature name
+ a = afm_find ("timesig-"+s, false);
+ if (!a.empty ())
+ return a;
+
+ // Resort to default layout with numbers
+ return time_signature (arr);
+}
+
+Atom
+Lookup::stem (Real y1, Real y2) const
+{
+ if (y1 > y2)
+ {
+ Real t = y1;
+ y1 = y2;
+ y2 = t;
+ }
+ Atom a;
+
+ a.dim_.x () = Interval (0,0);
+ a.dim_.y () = Interval (y1,y2);
+
+ Real stem_width = paper_l_->get_var ("stemthickness");
+
+ a.lambda_ = gh_list (ly_symbol ("filledbox"),
+ gh_double2scm(stem_width /2),
+ gh_double2scm(stem_width/2),
+ gh_double2scm(y2),
+ gh_double2scm(-y1),
+ SCM_UNDEFINED);
+
+ a.font_ = font_name_;
+ return a;
+}
+
+Atom
+Lookup::streepje (int type) const
+{
+ if (type > 2)
+ type = 2;
+
+ return afm_find ("balls" + String ("-") +to_str (type) + "l");
+}
+
+static Dict_initialiser<char const*> cmr_init[] = {
+ {"bold", "cmbx"},
+ {"dynamic", "feta-din"},
+ {"finger", "feta-nummer"},
+ {"italic", "cmti"},
+ {"roman", "cmr"},
+ {"large", "cmbx"},
+ {"Large", "cmbx"},
+ {"mark", "feta-nummer"},
+ {"nummer", "feta-nummer"},
+ {0,0}
+};
+
+static Dictionary<char const *> cmr_dict (cmr_init);
+
+Atom
+Lookup::text (String style, String text) const
+{
+ Atom a;
+ a.lambda_ = gh_list(ly_symbol ("set" + style),
+ gh_str02scm (text.ch_C()),
+ SCM_UNDEFINED);
+
+ Real font_h = paper_l_->get_var ("font_normal");
+ if (paper_l_->scope_p_->elem_b ("font_" + style))
+ {
+ font_h = paper_l_->get_var ("font_" + style);
+ }
+
+ if (cmr_dict.elem_b (style))
+ {
+ style = String (cmr_dict [style]) + to_str ((int)font_h); // ugh
+ }
+ Real w = 0;
+ Font_metric* afm_l = all_fonts_global_p->find_font (style);
+ DOUT << "\nChars: ";
+
+ for (int i = 0; i < text.length_i (); i++)
+ {
+ if (text[i]=='\\')
+ for (i++; (i < text.length_i ()) && isalpha(text[i]); i++)
+ ;
+ else
+ {
+ Character_metric *c = afm_l->get_char (text[i],false);
+ w += c->dimensions()[X_AXIS].length ();
+ }
+ }
+
+ DOUT << "\n" << to_str (w) << "\n";
+ a.dim_.x () = Interval (0, w);
+ a.font_ = font_name_;
+ return a;
+}
+
+
+/*
+ TODO: should return a molecule with 2 stacked nums.
+ */
+Atom
+Lookup::time_signature (Array<int> a) const
+{
+ Atom s;
+ s.lambda_ = gh_list (ly_symbol ("generalmeter"),
+ gh_int2scm (a[0]),
+ gh_int2scm (a[1]),
+ SCM_UNDEFINED);
+
+ Real r = paper_l_->interline_f () ;
+ s.dim_[Y_AXIS] = Interval (-2*r, 2*r);
+ s.dim_[X_AXIS] = Interval (0, 2*r);
+ return s;
+}
+
+Atom
+Lookup::vbrace (Real &y) const
+{
+ Atom a;
+ a.lambda_ = gh_list (ly_symbol ("pianobrace"),
+ gh_double2scm (y),
+ SCM_UNDEFINED
+ );
+ a.dim_[Y_AXIS] = Interval (-y/2,y/2);
+ a.dim_[X_AXIS] = Interval (0,0);
+ a.font_ = font_name_;
+ return a;
+}
+
+Atom
+Lookup::hairpin (Real width, bool decresc, bool continued) const
+{
+ Atom a;
+ Real height = paper_l_->staffheight_f () / 6;
+
+ String hairpin = String (decresc ? "de" : "") + "crescendo";
+ a.lambda_ = gh_list (ly_symbol (hairpin),
+ gh_double2scm (width),
+ gh_double2scm (height),
+ gh_double2scm (continued ? height/2 : 0.0),
+ SCM_UNDEFINED);
+ a.dim_.x () = Interval (0, width);
+ a.dim_.y () = Interval (-2*height, 2*height);
+ a.font_ = font_name_;
+ return a;
+}
+
+Atom
+Lookup::plet (Real dy , Real dx, Direction dir) const
+{
+ Atom a;
+ a.lambda_ = gh_list(ly_symbol ("tuplet"),
+ gh_double2scm (dx),
+ gh_double2scm (dy),
+ gh_int2scm (dir), SCM_UNDEFINED);
+ return a;
+}
+
+
+Atom
+Lookup::slur (Array<Offset> controls) const
+{
+ assert (controls.size () == 8);
+ Real dx = controls[3].x () - controls[0].x ();
+ Real dy = controls[3].y () - controls[0].y ();
+ Atom a;
+
+ SCM scontrols [8];
+ int indices[] = {5,6,7,4,1,2,3,0};
+
+ for (int i= 0; i < 8; i++)
+ scontrols[i] = offset2scm (controls[indices[i]]);
+
+
+ a.lambda_ =gh_list (ly_symbol ("slur"),
+ ly_quote_scm (array_to_list (scontrols, 8)),
+ SCM_UNDEFINED);
+
+ a.dim_[X_AXIS] = Interval (0, dx);
+ a.dim_[Y_AXIS] = Interval (0 <? dy, 0 >? dy);
+ a.font_ = font_name_;
+ return a;
+}
+
+Atom
+Lookup::vbracket (Real &y) const
+{
+ Atom a;
+ a.lambda_ = gh_list (ly_symbol ("bracket"),
+ gh_double2scm (y),
+ SCM_UNDEFINED);
+ a.dim_[Y_AXIS] = Interval (-y/2,y/2);
+ a.dim_[X_AXIS] = Interval (0,4 PT);
+ return a;
+}
+
+Atom
+Lookup::volta (Real w, bool last_b) const
+{
+ Atom a;
+ a.lambda_ = gh_list (ly_symbol ("volta"),
+ gh_double2scm (w),
+ gh_int2scm (last_b),
+ SCM_UNDEFINED);
+
+ Real interline_f = paper_l_->interline_f ();
+
+ a.dim_[Y_AXIS] = Interval (-interline_f, interline_f);
+ a.dim_[X_AXIS] = Interval (0, w);
+ return a;
+}
+
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