From 3d53ed21cadb612e3b9828ccf116227e6a6ce21a Mon Sep 17 00:00:00 2001 From: Kimball Thurston Date: Tue, 28 Oct 2025 02:49:19 +1300 Subject: [PATCH] Fix issues with negative coordinates and sampling != 0 (#2160) * remove unused variable Signed-off-by: Kimball Thurston * allow a single line when positions are negative with large y sampling > height Signed-off-by: Kimball Thurston --------- Signed-off-by: Kimball Thurston --- src/lib/OpenEXRCore/internal_util.h | 5 +++-- src/lib/OpenEXRCore/parse_header.c | 1 - 2 files changed, 3 insertions(+), 3 deletions(-) Index: openexr-3.2.2/src/lib/OpenEXRCore/internal_util.h =================================================================== --- openexr-3.2.2.orig/src/lib/OpenEXRCore/internal_util.h +++ openexr-3.2.2/src/lib/OpenEXRCore/internal_util.h @@ -31,10 +31,10 @@ compute_sampled_lines (int height, int y else start = start_y; end = start_y + height - 1; - end -= (end % y_sampling); + end -= (end < 0 ? -end : end) % y_sampling; if (start > end) - nlines = 0; + nlines = start == start_y ? 1 : 0; else nlines = (end - start) / y_sampling + 1; }