/*
- pango-select.cc -- implement lily font selection for Pango_fonts.
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2004--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2004--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ 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 <http://www.gnu.org/licenses/>.
*/
-#include <math.h>
#include "dimensions.hh"
#include "all-font-metrics.hh"
+#include "libc-extension.hh"
#include "output-def.hh"
#include "pango-font.hh"
-
PangoFontDescription *
properties_to_pango_description (SCM chain, Real text_size)
{
- SCM name = ly_chain_assoc (ly_symbol2scm ("font-name"), chain);
+ SCM name = ly_chain_assoc_get (ly_symbol2scm ("font-name"), chain, SCM_BOOL_F);
PangoFontDescription *description = 0;
- if (scm_is_pair (name) && scm_is_string (scm_cdr (name)))
+ if (scm_is_string (name))
{
- String name_str = ly_scm2string (scm_cdr (name));
- description = pango_font_description_from_string (name_str.to_str0 ());
+ string name_str = ly_scm2string (name);
+ description = pango_font_description_from_string (name_str.c_str ());
}
else
{
SCM family = ly_chain_assoc_get (ly_symbol2scm ("font-family"), chain,
- SCM_BOOL_F);
+ SCM_BOOL_F);
SCM variant = ly_chain_assoc_get (ly_symbol2scm ("font-shape"), chain,
- SCM_BOOL_F);
-
+ SCM_BOOL_F);
+
SCM style = ly_chain_assoc_get (ly_symbol2scm ("font-shape"), chain,
- SCM_BOOL_F);
+ SCM_BOOL_F);
SCM weight = ly_chain_assoc_get (ly_symbol2scm ("font-series"), chain,
- SCM_BOOL_F);
-
+ SCM_BOOL_F);
+
description
- = symbols_to_pango_font_description (family, style, variant, weight,
- SCM_BOOL_F);
+ = symbols_to_pango_font_description (family, style, variant, weight,
+ SCM_BOOL_F);
}
- Real step = robust_scm2double (ly_symbol2scm ("font-size"), 0.0);
+ Real step = robust_scm2double (ly_chain_assoc_get (ly_symbol2scm ("font-size"), chain, SCM_BOOL_F),
+ 0.0);
Real size = text_size * pow (2.0, step / 6.0);
-
+
pango_font_description_set_size (description,
- gint (size * PANGO_SCALE));
+ gint (my_round (size * PANGO_SCALE)));
return description;
}
Font_metric *
select_pango_font (Output_def *layout, SCM chain)
{
- PangoFontDescription *pfd = properties_to_pango_description (chain,
- point_constant * layout->get_dimension (ly_symbol2scm ("text-font-size")));
-
- return all_fonts_global->find_pango_font (pfd, 1.0, output_scale (layout));
+ PangoFontDescription *pfd
+ = properties_to_pango_description (chain,
+ point_constant
+ * layout->get_dimension (ly_symbol2scm ("text-font-size")));
+
+ char *str = pango_font_description_to_string (pfd);
+ SCM scm_str = scm_from_locale_string (str);
+ g_free (str);
+ pango_font_description_free (pfd);
+
+ return find_pango_font (layout, scm_str, 1.0);
}
PangoStyle
{
PangoStyle pstyle = PANGO_STYLE_NORMAL;
if (style == ly_symbol2scm ("italic"))
- {
- pstyle = PANGO_STYLE_ITALIC;
- }
+ pstyle = PANGO_STYLE_ITALIC;
else if (style == ly_symbol2scm ("oblique")
- || style == ly_symbol2scm ("slanted")
- )
- {
- pstyle = PANGO_STYLE_OBLIQUE;
- }
+ || style == ly_symbol2scm ("slanted"))
+ pstyle = PANGO_STYLE_OBLIQUE;
return pstyle;
}
{
PangoVariant pvariant = PANGO_VARIANT_NORMAL;
if (variant == ly_symbol2scm ("caps"))
- {
- pvariant = PANGO_VARIANT_SMALL_CAPS;
- }
+ pvariant = PANGO_VARIANT_SMALL_CAPS;
return pvariant;
}
-
PangoWeight
symbol_to_pango_weight (SCM weight)
{
PangoWeight pw = PANGO_WEIGHT_NORMAL;
if (weight == ly_symbol2scm ("bold"))
- {
- pw = PANGO_WEIGHT_BOLD;
- }
+ pw = PANGO_WEIGHT_BOLD;
if (weight == ly_symbol2scm ("heavy"))
- {
- pw = PANGO_WEIGHT_HEAVY;
- }
+ pw = PANGO_WEIGHT_HEAVY;
if (weight == ly_symbol2scm ("ultrabold"))
- {
- pw = PANGO_WEIGHT_ULTRABOLD;
- }
+ pw = PANGO_WEIGHT_ULTRABOLD;
if (weight == ly_symbol2scm ("light"))
- {
- pw = PANGO_WEIGHT_LIGHT;
- }
+ pw = PANGO_WEIGHT_LIGHT;
if (weight == ly_symbol2scm ("ultralight"))
- {
- pw = PANGO_WEIGHT_ULTRALIGHT;
- }
+ pw = PANGO_WEIGHT_ULTRALIGHT;
return pw;
}
PangoStretch ps = PANGO_STRETCH_NORMAL;
/*
- // TODO
-
+ // TODO
+
PANGO_STRETCH_ULTRA_CONDENSED,
PANGO_STRETCH_EXTRA_CONDENSED,
PANGO_STRETCH_CONDENSED,
PANGO_STRETCH_SEMI_CONDENSED,
-
+
PANGO_STRETCH_SEMI_EXPANDED,
PANGO_STRETCH_EXPANDED,
PANGO_STRETCH_EXTRA_EXPANDED,
PANGO_STRETCH_ULTRA_EXPANDED
- */
+ */
return ps;
}
-
-
-PangoFontDescription*
-symbols_to_pango_font_description(SCM family,
- SCM style,
- SCM variant,
- SCM weight,
- SCM stretch)
+PangoFontDescription *
+symbols_to_pango_font_description (SCM family,
+ SCM style,
+ SCM variant,
+ SCM weight,
+ SCM stretch)
{
- PangoFontDescription * description = pango_font_description_new ();
+ PangoFontDescription *description = pango_font_description_new ();
- String family_str = "roman";
+ string family_str = "roman";
if (scm_is_symbol (family))
family_str = ly_symbol2string (family);
else if (scm_is_string (family))
family_str = ly_scm2string (family);
pango_font_description_set_family (description,
- family_str.to_str0 ());
+ family_str.c_str ());
pango_font_description_set_style (description,
- symbol_to_pango_style (style));
+ symbol_to_pango_style (style));
pango_font_description_set_variant (description,
- symbol_to_pango_variant (variant));
+ symbol_to_pango_variant (variant));
pango_font_description_set_weight (description,
- symbol_to_pango_weight (weight));
+ symbol_to_pango_weight (weight));
pango_font_description_set_stretch (description,
- symbol_to_pango_stretch (stretch));
+ symbol_to_pango_stretch (stretch));
return description;
}
projects / lilypond.git / blobdiff