fix roundoff error in filter

This commit is contained in:
David Rose 2002-05-15 19:58:53 +00:00
parent a58f764b8b
commit 90bed31bf7

View File

@ -544,11 +544,11 @@ box_filter_region(const PNMImage &image,
}
PPM_ASSIGN(result,
(xelval)(red / pixel_count),
(xelval)(grn / pixel_count),
(xelval)(blu / pixel_count));
(xelval)(red / pixel_count + 0.5),
(xelval)(grn / pixel_count + 0.5),
(xelval)(blu / pixel_count + 0.5));
alpha_result = (xelval)(alpha / pixel_count);
alpha_result = (xelval)(alpha / pixel_count + 0.5);
}
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