Any error in filter normalization is placed on the center of odd-sized filters, rather than 1 pixel to the right.
In particular this fixes the 1-wide filters produced by impulse sampling so they are 1.0 rather than 0.0. --- pixman/pixman-filter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pixman/pixman-filter.c b/pixman/pixman-filter.c index 0cd4a68..fbc657d 100644 --- a/pixman/pixman-filter.c +++ b/pixman/pixman-filter.c @@ -299,7 +299,7 @@ create_1d_filter (int width, } if (new_total != pixman_fixed_1) - *(p - width / 2) += (pixman_fixed_1 - new_total); + *(p - (width + 1) / 2) += (pixman_fixed_1 - new_total); } } -- 1.7.9.5 _______________________________________________ Pixman mailing list Pixman@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/pixman