From: Bill Spitzak <[email protected]>
This replaces settings that don't work (because the filter cannot be normalized)
with something that produces an image.
---
pixman/pixman-filter.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/pixman/pixman-filter.c b/pixman/pixman-filter.c
index dba5c74..77fdf01 100644
--- a/pixman/pixman-filter.c
+++ b/pixman/pixman-filter.c
@@ -299,6 +299,8 @@ pixman_filter_create_separable_convolution (int
*n_values,
int subsample_x, subsample_y;
int width, height;
+ if (reconstruct_x == PIXMAN_KERNEL_IMPULSE && sx < 1.0)
+ sx = 1.0;
width = filter_width (reconstruct_x, sample_x, sx);
if (width <= 1)
{
@@ -307,6 +309,8 @@ pixman_filter_create_separable_convolution (int
*n_values,
}
subsample_x = (1 << subsample_bits_x);
+ if (reconstruct_y == PIXMAN_KERNEL_IMPULSE && sy < 1.0)
+ sy = 1.0;
height = filter_width (reconstruct_y, sample_y, sy);
if (height <= 1)
{
--
1.9.1
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