Commit ac9ac555 authored by Jasper St. Pierre's avatar Jasper St. Pierre

cairoblur: Fix the blur code

We weren't passing in the right "d" value, which was causing the blur to
behave incorrectly, especially in the case of 1px blurs, which would
cause no blurs at all.

The blur should now match the web.
parent 3013997e
......@@ -147,6 +147,7 @@ _boxblur (guchar *buffer,
int radius)
{
guchar *flipped_buffer;
int d = _gtk_cairo_blur_compute_pixels (radius);
flipped_buffer = g_malloc (width * height);
......@@ -154,13 +155,13 @@ _boxblur (guchar *buffer,
flip_buffer (flipped_buffer, buffer, width, height);
/* Step 2: blur rows (really columns) */
blur_rows (flipped_buffer, buffer, height, width, radius);
blur_rows (flipped_buffer, buffer, height, width, d);
/* Step 3: swap rows and columns */
flip_buffer (buffer, flipped_buffer, height, width);
/* Step 4: blur rows */
blur_rows (buffer, flipped_buffer, width, height, radius);
blur_rows (buffer, flipped_buffer, width, height, d);
g_free (flipped_buffer);
}
......
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