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frmwriter: fix handling of flipped paletted images
author
Kostya Shishkov
<kostya.shishkov@gmail.com>
Sun, 24 May 2020 13:23:37 +0000
(15:23 +0200)
committer
Kostya Shishkov
<kostya.shishkov@gmail.com>
Sun, 24 May 2020 13:23:37 +0000
(15:23 +0200)
src/frmwriter.rs
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diff --git
a/src/frmwriter.rs
b/src/frmwriter.rs
index 71ad491abc60e8bc008c8c6a7b874c79e166c644..f882a7fa266f9bcd5dac659c134f23929b347125 100644
(file)
--- a/
src/frmwriter.rs
+++ b/
src/frmwriter.rs
@@
-112,9
+112,12
@@
pub fn write_palppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
];
let flipped = buf.get_info().is_flipped();
buf.get_info().get_format().get_chromaton(2).unwrap().get_offset() as usize
];
let flipped = buf.get_info().is_flipped();
- let mut idx = if !flipped { 0 } else { ls *
(h - 1)
};
+ let mut idx = if !flipped { 0 } else { ls *
h
};
let mut line: Vec<u8> = vec![0; w * 3];
for _ in 0..h {
let mut line: Vec<u8> = vec![0; w * 3];
for _ in 0..h {
+ if flipped {
+ idx -= ls;
+ }
let src = &dta[idx..(idx+w)];
for x in 0..w {
let pix = src[x] as usize;
let src = &dta[idx..(idx+w)];
for x in 0..w {
let pix = src[x] as usize;
@@
-125,8
+128,6
@@
pub fn write_palppm(pfx: &str, strno: usize, num: u64, frm: NAFrameRef) {
ofile.write_all(line.as_slice()).unwrap();
if !flipped {
idx += ls;
ofile.write_all(line.as_slice()).unwrap();
if !flipped {
idx += ls;
- } else {
- idx -= ls;
}
}
}
}
}
}