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author | June McEnroe <june@causal.agency> | 2018-02-16 20:20:57 -0500 |
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committer | June McEnroe <june@causal.agency> | 2018-02-16 20:20:57 -0500 |
commit | 5e4b4eb646cbe1ae5a642ca8bb609c8be5a70adf (patch) | |
tree | 0edae7965caceaf9b9b68abdde4a336977a0c67b /bin | |
parent | Refactor scanlines and filter bytes, more glitch (diff) | |
download | src-5e4b4eb646cbe1ae5a642ca8bb609c8be5a70adf.tar.gz src-5e4b4eb646cbe1ae5a642ca8bb609c8be5a70adf.zip |
Fix pngo glitch
Basically changing the filter type without actually recalculating the bytes results in some interesting stuff.
Diffstat (limited to 'bin')
-rw-r--r-- | bin/pngo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/bin/pngo.c b/bin/pngo.c index 47a7ad80..bd39d6bd 100644 --- a/bin/pngo.c +++ b/bin/pngo.c @@ -309,7 +309,7 @@ static void filterData(struct Header header, const struct Scanline *lines) { for (uint32_t y = header.height - 1; y < header.height; --y) { // TODO: Filter type heuristic. *lines[y].type = FILT_PAETH; - for (uint32_t i = (bpp * header.width) - 1; i < bpp * header.width; ++i) { + for (uint32_t i = (bpp * header.width) - 1; i < bpp * header.width; --i) { lines[y].data[i] = filt(*lines[y].type, filterBytes(lines, bpp, y, i)); } } |