[util] Add hb-shape utility
Like hb-view, but prints out buffer contents.
The output format is kinda cryptic. Suggestions welcome.
diff --git a/util/options.cc b/util/options.cc
index 96d131f..21ab973 100644
--- a/util/options.cc
+++ b/util/options.cc
@@ -31,6 +31,23 @@
#endif
+void
+fail (hb_bool_t suggest_help, const char *format, ...)
+{
+ const char *msg;
+
+ va_list vap;
+ va_start (vap, format);
+ msg = g_strdup_vprintf (format, vap);
+ const char *prgname = g_get_prgname ();
+ g_printerr ("%s: %s\n", prgname, msg);
+ if (suggest_help)
+ g_printerr ("Try `%s --help' for more information.\n", prgname);
+
+ exit (1);
+}
+
+
bool debug = FALSE;
static gchar *
@@ -118,6 +135,8 @@
void
option_parser_t::parse (int *argc, char ***argv)
{
+ setlocale (LC_ALL, "");
+
GError *parse_error = NULL;
if (!g_option_context_parse (context, argc, argv, &parse_error))
{
@@ -590,3 +609,63 @@
return fp;
}
+
+
+void
+format_options_t::add_options (option_parser_t *parser)
+{
+ GOptionEntry entries[] =
+ {
+ {"no-glyph-names", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_glyph_names, "Use glyph indices instead of names", NULL},
+ {"no-positions", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_positions, "Do not show glyph positions", NULL},
+ {"no-clusters", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &this->show_clusters, "Do not show cluster mapping", NULL},
+ {NULL}
+ };
+ parser->add_group (entries,
+ "format",
+ "Format options:",
+ "Options controlling the formatting of buffer contents",
+ this);
+}
+
+void
+format_options_t::serialize (hb_buffer_t *buffer,
+ hb_font_t *font,
+ GString *gs)
+{
+ FT_Face ft_face = show_glyph_names ? hb_ft_font_get_face (font) : NULL;
+
+ unsigned int num_glyphs = hb_buffer_get_length (buffer);
+ hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
+ hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, NULL);
+
+ g_string_append_c (gs, '<');
+ for (unsigned int i = 0; i < (int) num_glyphs; i++)
+ {
+ if (i)
+ g_string_append_c (gs, '|');
+ char glyph_name[30];
+ if (show_glyph_names && !FT_Get_Glyph_Name (ft_face, info->codepoint, glyph_name, sizeof (glyph_name)))
+ g_string_append_printf (gs, "%s", glyph_name);
+ else
+ g_string_append_printf (gs, "gid%d", info->codepoint);
+
+ if (show_clusters)
+ g_string_append_printf (gs, "=%d", info->cluster);
+
+ if (show_positions && (pos->x_offset || pos->y_offset)) {
+ g_string_append_c (gs, '@');
+ if (pos->x_offset) g_string_append_printf (gs, "%d", pos->x_offset);
+ if (pos->y_offset) g_string_append_printf (gs, ",%d", pos->y_offset);
+ }
+ if (show_positions && (pos->x_advance || pos->y_advance)) {
+ g_string_append_c (gs, '+');
+ if (pos->x_advance) g_string_append_printf (gs, "%d", pos->x_advance);
+ if (pos->y_advance) g_string_append_printf (gs, ",%d", pos->y_advance);
+ }
+
+ info++;
+ pos++;
+ }
+ g_string_append_c (gs, '>');
+}
