X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ffont-select.cc;h=b35a7935a5d54a1f30355f8c0773e07a7d6781d6;hb=5bbfc22fce036b9b69df5e420de93e11da23c05e;hp=2765aa8c1491f1226a4426df4479fa8adcd747c1;hpb=5b73d5a6da063a36428b47addb477cf725674e2a;p=lilypond.git diff --git a/lily/font-select.cc b/lily/font-select.cc index 2765aa8c14..b35a7935a5 100644 --- a/lily/font-select.cc +++ b/lily/font-select.cc @@ -1,11 +1,21 @@ /* - font-select.cc -- implement property -> font_metric routines. + This file is part of LilyPond, the GNU music typesetter. - source file of the GNU LilyPond music typesetter + Copyright (C) 2003--2014 Han-Wen Nienhuys - (c) 2003--2006 Han-Wen Nienhuys -*/ + 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. + You should have received a copy of the GNU General Public License + along with LilyPond. If not, see . +*/ #include "dimensions.hh" #include "all-font-metrics.hh" @@ -17,7 +27,7 @@ Font_metric * get_font_by_design_size (Output_def *layout, Real requested, - SCM font_vector) + SCM font_vector) { int n = scm_c_vector_length (font_vector); Real size = 1e6; @@ -31,23 +41,23 @@ get_font_by_design_size (Output_def *layout, Real requested, SCM entry = scm_c_vector_ref (font_vector, i); if (scm_promise_p (entry) == SCM_BOOL_T) - { - Font_metric *fm = unsmob_metrics (scm_force (entry)); - size = fm->design_size (); - } + { + Font_metric *fm = Font_metric::unsmob (scm_force (entry)); + size = fm->design_size (); + } #if HAVE_PANGO_FT2 else if (scm_is_pair (entry) - && scm_is_number (scm_car (entry)) - && scm_is_string (scm_cdr (entry))) - { - size = scm_to_double (scm_car (entry)); - pango_description_string - = scm_cdr (entry); - } + && scm_is_number (scm_car (entry)) + && scm_is_string (scm_cdr (entry))) + { + size = scm_to_double (scm_car (entry)); + pango_description_string + = scm_cdr (entry); + } #endif if (size > requested) - break; + break; last_size = size; last_pango_description_string = pango_description_string; } @@ -57,11 +67,11 @@ get_font_by_design_size (Output_def *layout, Real requested, else if (i > 0) { if ((requested / last_size) < (size / requested)) - { - i--; - size = last_size; - pango_description_string = last_pango_description_string; - } + { + i--; + size = last_size; + pango_description_string = last_pango_description_string; + } } Font_metric *fm = 0; @@ -69,32 +79,32 @@ get_font_by_design_size (Output_def *layout, Real requested, { #if HAVE_PANGO_FT2 return find_pango_font (layout, - pango_description_string, - requested / size); + pango_description_string, + requested / size); #else error ("Trying to retrieve pango font without HAVE_PANGO_FT2."); #endif } else - fm = unsmob_metrics (scm_force (scm_c_vector_ref (font_vector, i))); + fm = Font_metric::unsmob (scm_force (scm_c_vector_ref (font_vector, i))); return find_scaled_font (layout, fm, requested / size); } Font_metric * get_font_by_mag_step (Output_def *layout, Real requested_step, - SCM font_vector, Real default_size) + SCM font_vector, Real default_size) { return get_font_by_design_size (layout, default_size - * pow (2.0, requested_step / 6.0), - font_vector); + * pow (2.0, requested_step / 6.0), + font_vector); } SCM properties_to_font_size_family (SCM fonts, SCM alist_chain) { return scm_call_2 (ly_lily_module_constant ("lookup-font"), fonts, - alist_chain); + alist_chain); } Font_metric * @@ -109,21 +119,20 @@ select_encoded_font (Output_def *layout, SCM chain) } #if HAVE_PANGO_FT2 - if (scm_is_string (name) - && is_pango_format_global) + if (scm_is_string (name)) return select_pango_font (layout, chain); else #endif - if (scm_instance_p (name)) + if (scm_is_true (scm_instance_p (name))) { - SCM base_size = scm_slot_ref (name, ly_symbol2scm ("default-size")); - SCM vec = scm_slot_ref (name, ly_symbol2scm ("size-vector")); + SCM base_size = scm_slot_ref (name, ly_symbol2scm ("default-size")); + SCM vec = scm_slot_ref (name, ly_symbol2scm ("size-vector")); - Real req = robust_scm2double (ly_chain_assoc_get (ly_symbol2scm ("font-size"), chain, SCM_BOOL_F), - 0.0); + Real req = robust_scm2double (ly_chain_assoc_get (ly_symbol2scm ("font-size"), chain, SCM_BOOL_F), + 0.0); - return get_font_by_mag_step (layout, req, vec, - scm_to_double (base_size)); + return get_font_by_mag_step (layout, req, vec, + scm_to_double (base_size)); } assert (0);