X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpaper-def.cc;h=14f1546d60f5c3e48fb47383c376e2aa9770b023;hb=e90f0536f9be39ada0bef0aeb0d275dec3b2fb5b;hp=7300edd6a60553c66ffca95412ec0df76634e7e0;hpb=f988425624a6f6d1a48aea0ac0c1c84ff0857e56;p=lilypond.git diff --git a/lily/paper-def.cc b/lily/paper-def.cc index 7300edd6a6..14f1546d60 100644 --- a/lily/paper-def.cc +++ b/lily/paper-def.cc @@ -1,149 +1,124 @@ /* - 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--2011 Han-Wen Nienhuys - (c) 1997--2000 Han-Wen Nienhuys -*/ - -#include + 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. -#include "string.hh" -#include "misc.hh" -#include "paper-def.hh" -#include "debug.hh" -#include "lookup.hh" -#include "main.hh" -#include "scope.hh" -#include "file-results.hh" // urg? header_global_p -#include "paper-stream.hh" + 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. -Paper_def::Paper_def () -{ - lookup_alist_ = SCM_EOL; -} + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . +*/ +#include "dimensions.hh" +#include "output-def.hh" +#include "modified-font-metric.hh" +#include "pango-font.hh" +#include "all-font-metrics.hh" -Paper_def::~Paper_def () +Real +output_scale (Output_def *od) { + return scm_to_double (od->lookup_variable (ly_symbol2scm ("output-scale"))); } -Paper_def::Paper_def (Paper_def const&src) - : Music_output_def (src) +SCM +get_font_table (Output_def *def) { - SCM n = SCM_EOL; - for (SCM s = src.lookup_alist_; gh_pair_p(s); s = gh_cdr (s)) + SCM font_table = def->lookup_variable (ly_symbol2scm ("scaled-fonts")); + if (scm_hash_table_p (font_table) != SCM_BOOL_T) { - n = scm_acons (gh_caar(s), gh_cdar (s), n); + font_table = scm_c_make_hash_table (11); + def->set_variable (ly_symbol2scm ("scaled-fonts"), font_table); } - - lookup_alist_ = n; -} - - -Real -Paper_def::get_var (String s) const -{ - return get_realvar (ly_symbol2scm (s.ch_C())); + return font_table; } SCM -Paper_def::get_scmvar (String s) const +get_pango_font_table (Output_def *def) { - return scope_p_->scm_elem (ly_symbol2scm (s.ch_C())); -} - -Real -Paper_def::get_realvar (SCM s) const -{ - SCM val ; - if (!scope_p_->try_retrieve (s, &val)) - { - programming_error ("unknown paper variable: " + ly_symbol2string (s)); - return 0.0; - } - - if (gh_number_p (val)) - { - return gh_scm2double (val); - } - else + SCM font_table = def->lookup_variable (ly_symbol2scm ("pango-fonts")); + if (scm_hash_table_p (font_table) != SCM_BOOL_T) { - programming_error ("not a real variable"); - return 0.0; + font_table = scm_c_make_hash_table (11); + def->set_variable (ly_symbol2scm ("pango-fonts"), font_table); } + return font_table; } -/* - 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 +/* TODO: should add nesting for Output_def here too. */ +Font_metric * +find_scaled_font (Output_def *mod, Font_metric *f, Real m) { - Real lw = get_var ("linewidth"); - Real ind = n? 0.0:get_var ("indent"); - - return Interval (ind, lw); -} + if (mod->parent_) + return find_scaled_font (mod->parent_, f, m); -void -Paper_def::set_lookup (int i, SCM l) -{ - assert (unsmob_lookup (l)); - lookup_alist_ = scm_assq_set_x(lookup_alist_, gh_int2scm (i), l); -} + Real lookup_mag = m / output_scale (mod); -Lookup const * -Paper_def::lookup_l (int i) const -{ - SCM l = scm_assq (gh_int2scm(i), lookup_alist_); - return l == SCM_BOOL_F ? 0 : unsmob_lookup (gh_cdr (l)); -} + 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_metrics (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_metrics (val)->unprotect (); + scm_hashq_set_x (font_table, f->self_scm (), sizes); + return unsmob_metrics (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); + 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_metrics (scm_cdr (handle)); -Paper_stream* -Paper_def::paper_stream_p () const -{ - String outname = base_output_str (); + PangoFontDescription *description + = pango_font_description_from_string (scm_i_string_chars (descr)); - if (outname != "-") - outname += String (".") + output_global_ch; - progress_indication (_f ("paper output to %s...", - outname == "-" ? String ("") : outname)); + pango_font_description_set_size (description, + gint (factor * + pango_font_description_get_size (description))); - target_str_global_array.push (outname); - return new Paper_stream (outname); -} + + Font_metric *fm = all_fonts_global->find_pango_font (description, + output_scale (layout)); + pango_font_description_free (description); + + sizes = scm_acons (size_key, fm->self_scm (), sizes); + scm_hash_set_x (table, descr, sizes); -String -Paper_def::base_output_str () const + return fm; +} + +/* 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 proc = ly_lily_module_constant ("scale-layout"); + SCM new_pap = scm_call_2 (proc, 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; } -