Cleanups in hb-subset-glyf and hb-subset-plan.
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13193a9b97
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@ -30,15 +30,15 @@
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#include "hb-subset-glyf.hh"
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bool
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calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
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hb_set_t *glyph_ids,
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unsigned int *size /* OUT */)
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_calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
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hb_set_t *glyph_ids,
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unsigned int *size /* OUT */)
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{
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unsigned int total = 0;
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hb_codepoint_t next_glyph = -1;
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while (hb_set_next(glyph_ids, &next_glyph)) {
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unsigned int start_offset, end_offset;
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if (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)) {
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if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
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*size = 0;
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return false;
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}
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@ -51,18 +51,18 @@ calculate_glyf_prime_size (const OT::glyf::accelerator_t &glyf,
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}
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bool
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write_glyf_prime (const OT::glyf::accelerator_t &glyf,
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const char *glyf_data,
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hb_set_t *glyph_ids,
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int glyf_prime_size,
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char *glyf_prime_data /* OUT */)
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_write_glyf_prime (const OT::glyf::accelerator_t &glyf,
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const char *glyf_data,
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hb_set_t *glyph_ids,
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int glyf_prime_size,
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char *glyf_prime_data /* OUT */)
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{
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char *glyf_prime_data_next = glyf_prime_data;
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hb_codepoint_t next_glyph = -1;
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while (hb_set_next(glyph_ids, &next_glyph)) {
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unsigned int start_offset, end_offset;
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if (!glyf.get_offsets (next_glyph, &start_offset, &end_offset)) {
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if (unlikely (!glyf.get_offsets (next_glyph, &start_offset, &end_offset))) {
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return false;
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}
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@ -85,15 +85,15 @@ _hb_subset_glyf (const OT::glyf::accelerator_t &glyf,
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// TODO(grieger): Subset loca simultaneously.
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unsigned int glyf_prime_size;
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if (!calculate_glyf_prime_size (glyf,
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glyphs_to_retain,
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&glyf_prime_size)) {
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if (unlikely (!_calculate_glyf_prime_size (glyf,
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glyphs_to_retain,
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&glyf_prime_size))) {
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return false;
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}
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char *glyf_prime_data = (char *) calloc (glyf_prime_size, 1);
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if (!write_glyf_prime (glyf, glyf_data, glyphs_to_retain, glyf_prime_size,
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glyf_prime_data)) {
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if (unlikely (!_write_glyf_prime (glyf, glyf_data, glyphs_to_retain, glyf_prime_size,
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glyf_prime_data))) {
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free (glyf_prime_data);
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return false;
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}
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@ -55,4 +55,4 @@ hb_subset_plan_get_empty ();
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void
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hb_subset_plan_destroy (hb_subset_plan_t *plan);
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#endif /* HB_SUBSET_PLAN_PRIVATE_HH */
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#endif /* HB_SUBSET_PLAN_HH */
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