[cairo] [PATCH pixman 07/13] pixman-filter: Only need to split integral at 0 for LINEAR
Bill Spitzak
spitzak at gmail.com
Thu Sep 11 19:12:24 PDT 2014
---
pixman/pixman-filter.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/pixman/pixman-filter.c b/pixman/pixman-filter.c
index 743afa2..220496e 100644
--- a/pixman/pixman-filter.c
+++ b/pixman/pixman-filter.c
@@ -180,13 +180,13 @@ integral (pixman_kernel_t reconstruct, double x1,
* as LINEAR that are not differentiable at 0 will still
* integrate properly.
*/
- if (x1 < 0 && x1 + width > 0)
+ else if (reconstruct == PIXMAN_KERNEL_LINEAR && x1 < 0 && x1 + width > 0)
{
return
integral (reconstruct, x1, sample, scale, x2, - x1) +
integral (reconstruct, 0, sample, scale, x2 - x1, width + x1);
}
- else if (x2 < 0 && x2 + width > 0)
+ else if (sample == PIXMAN_KERNEL_LINEAR && x2 < 0 && x2 + width > 0)
{
return
integral (reconstruct, x1, sample, scale, x2, - x2) +
--
1.7.9.5
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