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gfx: Remove some useless calls to drop during HarfBuzz shaping.

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This commit is contained in:
Patrick Walton 2015-09-15 16:33:08 -07:00
parent efdf435ba3
commit 53f47e74db
1 changed files with 0 additions and 3 deletions
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3
components/gfx/text/shaping/harfbuzz.rs
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@ -338,7 +338,6 @@ impl Shaper {
// any trailing chars that do not have associated glyphs.
while char_byte_span.end() < byte_max {
let range = text.char_range_at(char_byte_span.end());
drop(range.ch);
char_byte_span.extend_to(range.next);
debug!("Processing char byte span: off={}, len={} for glyph idx={}",
@ -349,7 +348,6 @@ impl Shaper {
debug!("Extending char byte span to include byte offset={} with no associated \
glyph", char_byte_span.end());
let range = text.char_range_at(char_byte_span.end());
drop(range.ch);
char_byte_span.extend_to(range.next);
glyph_spans_multiple_characters = true;
}
@ -482,7 +480,6 @@ impl Shaper {
let mut i = covered_byte_span.begin();
loop {
let range = text.char_range_at(i);
drop(range.ch);
i = range.next;
if i >= covered_byte_span.end() { break; }
char_idx = char_idx + char_step;