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reduce_alpha_to_up(): simplify code, don't convert Vec -> iter -> Vec in order to reverse elts, just vec.reverse(). (#127)

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Matthias Krüger 2018-07-28 17:19:56 +02:00 committed by Josh Holmer
parent a8ef802c78
commit 868fd502b9
1 changed files with 2 additions and 4 deletions
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6
src/png/mod.rs
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@ -713,11 +713,9 @@ impl PngData {
fn reduce_alpha_to_up(&self, bpc: usize, bpp: usize) -> Vec<u8> {
let mut lines = Vec::new();
let scan_lines = self.scan_lines()
.collect::<Vec<ScanLine>>()
.into_iter()
.rev()
let mut scan_lines = self.scan_lines()
.collect::<Vec<ScanLine>>();
scan_lines.reverse();
let mut last_line = vec![0; scan_lines[0].data.len()];
let mut current_line = Vec::with_capacity(last_line.len());
for line in scan_lines.into_iter() {