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[subset] add num-iterations flag to util/hb-subset.

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Garret Rieger 2021-05-26 14:18:32 -07:00 committed by Behdad Esfahbod
parent 9e5738a86a
commit 1bb00cd54b
3 changed files with 10 additions and 1 deletions
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6
util/hb-subset.cc
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@ -98,7 +98,11 @@ struct subset_consumer_t
{ {
hb_face_t *face = hb_font_get_face (font); hb_face_t *face = hb_font_get_face (font);
hb_face_t *new_face = hb_subset (face, input); hb_face_t *new_face = nullptr;
for (unsigned i = 0; i < subset_options.num_iterations; i++) {
hb_face_destroy (new_face);
new_face = hb_subset (face, input);
}
hb_blob_t *result = hb_face_reference_blob (new_face); hb_blob_t *result = hb_face_reference_blob (new_face);
failed = !hb_blob_get_length (result); failed = !hb_blob_get_length (result);

3
util/options-subset.cc
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@ -252,6 +252,9 @@ subset_options_t::add_options (option_parser_t *parser)
{"drop-tables", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."}, {"drop-tables", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{"drop-tables+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."}, {"drop-tables+", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{"drop-tables-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."}, {"drop-tables-", 0, 0, G_OPTION_ARG_CALLBACK, (gpointer) &parse_drop_tables, "Drop the specified tables.", "list of string table tags."},
{"num-iterations", 'n', 0, G_OPTION_ARG_INT,
&this->num_iterations,
"Run subsetter N times (default: 1)", "N"},
{nullptr} {nullptr}
}; };

2
util/options.hh
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@ -679,6 +679,7 @@ struct subset_options_t : option_group_t
subset_options_t (option_parser_t *parser) subset_options_t (option_parser_t *parser)
{ {
input = hb_subset_input_create_or_fail (); input = hb_subset_input_create_or_fail ();
num_iterations = 1;
add_options (parser); add_options (parser);
} }
@ -689,6 +690,7 @@ struct subset_options_t : option_group_t
void add_options (option_parser_t *parser) override; void add_options (option_parser_t *parser) override;
unsigned num_iterations;
hb_subset_input_t *input; hb_subset_input_t *input;
}; };