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/* pango-list.c: List all fonts
*
* Copyright (C) 2018 Google
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Google Author(s): Behdad Esfahbod
*/
#include "config.h"
#include <pango/pangocairo.h>
#include <glib/gstdio.h>
#include <stdlib.h>
int
main (int argc,
char **argv)
{
gboolean opt_verbose = FALSE;
gboolean opt_metrics = FALSE;
GOptionEntry entries[] = {
{"verbose", 0, 0, G_OPTION_ARG_NONE, &opt_verbose, "Print verbose information", NULL },
{"metrics", 0, 0, G_OPTION_ARG_NONE, &opt_metrics, "Print font metrics", NULL },
{ NULL, }
};
GOptionContext *context;
PangoContext *ctx;
PangoFontMap *fontmap;
PangoFontFamily **families;
int n_families;
int i, j;
int width;
GError *error = NULL;
g_set_prgname ("pango-list");
context = g_option_context_new ("");
g_option_context_add_main_entries (context, entries, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error))
{
if (error != NULL)
g_printerr ("%s\n", error->message);
else
g_printerr ("Option parse error\n");
exit (1);
}
g_option_context_free (context);
/* Use PangoCairo to get default fontmap so it works on every platform. */
fontmap = pango_cairo_font_map_get_default ();
ctx = pango_font_map_create_context (fontmap);
if (opt_verbose)
g_print ("Using %s\n\n", G_OBJECT_TYPE_NAME (fontmap));
pango_font_map_list_families (fontmap, &families, &n_families);
for (i = 0; i < n_families; i++)
{
PangoFontFace **faces;
int n_faces;
const char *kind;
const char *family_name = pango_font_family_get_name (families[i]);
if (pango_font_family_is_monospace (families[i]))
{
if (pango_font_family_is_variable (families[i]))
kind = "(monospace, variable)";
else
kind = "(monospace)";
}
else
{
if (pango_font_family_is_variable (families[i]))
kind = "(variable)";
else
kind = "";
}
g_print ("%s %s\n", family_name, kind);
pango_font_family_list_faces (families[i], &faces, &n_faces);
width = 0;
for (j = 0; j < n_faces; j++)
{
const char *face_name = pango_font_face_get_face_name (faces[j]);
gboolean is_synth = pango_font_face_is_synthesized (faces[j]);
const char *synth_str = is_synth ? "*" : "";
width = MAX (width, strlen (synth_str) + strlen (face_name));
}
for (j = 0; j < n_faces; j++)
{
const char *face_name = pango_font_face_get_face_name (faces[j]);
gboolean is_synth = pango_font_face_is_synthesized (faces[j]);
const char *synth_str = is_synth ? "*" : "";
PangoFontDescription *desc = pango_font_face_describe (faces[j]);
char *desc_str = pango_font_description_to_string (desc);
g_print (" %s%s: %*s%s\n", synth_str, face_name,
width - (int)strlen (face_name) - (int)strlen (synth_str), "", desc_str);
if (opt_metrics)
{
PangoFontMetrics *metrics;
pango_font_description_set_absolute_size (desc, 10 * PANGO_SCALE);
metrics = pango_context_get_metrics (ctx, desc, pango_language_from_string ("en-us"));
g_print (" (a %d d %d h %d cw %d dw %d u %d %d s %d %d)\n",
pango_font_metrics_get_ascent (metrics),
pango_font_metrics_get_descent (metrics),
pango_font_metrics_get_height (metrics),
pango_font_metrics_get_approximate_char_width (metrics),
pango_font_metrics_get_approximate_digit_width (metrics),
pango_font_metrics_get_underline_position (metrics),
pango_font_metrics_get_underline_thickness (metrics),
pango_font_metrics_get_strikethrough_position (metrics),
pango_font_metrics_get_strikethrough_thickness (metrics));
pango_font_metrics_unref (metrics);
}
g_free (desc_str);
pango_font_description_free (desc);
}
g_free (faces);
}
g_free (families);
g_object_unref (fontmap);
return 0;
}
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