[gegl] gegl:waves : avoid calling gegl_sampler_get with nan and/or inf values for x and y arguments.
- From: Øyvind Kolås <ok src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gegl] gegl:waves : avoid calling gegl_sampler_get with nan and/or inf values for x and y arguments.
- Date: Sat, 21 Nov 2015 02:25:50 +0000 (UTC)
commit 6a39f6a3468da074ec57af7ef21d42f55a9265f7
Author: Thomas Manni <thomas manni free fr>
Date: Fri Sep 4 20:53:41 2015 +0200
gegl:waves : avoid calling gegl_sampler_get with nan and/or inf values for x and y arguments.
operations/common/waves.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/operations/common/waves.c b/operations/common/waves.c
index 2300431..1efd911 100644
--- a/operations/common/waves.c
+++ b/operations/common/waves.c
@@ -37,9 +37,9 @@ property_double (amplitude, _("Amplitude"), 25.0)
description(_("Amplitude of the ripple"))
value_range (0.0, 1000.0)
-property_double (period, _("Period"), 200)
+property_double (period, _("Period"), 200.0)
description(_("Period (wavelength) of the ripple"))
- value_range (0, 1000)
+ value_range (0.1, 1000.0)
property_double (phi, _("Phase shift"), 0)
value_range (-1, 1)
@@ -139,7 +139,10 @@ process (GeglOperation *operation,
dx = (x - px_x) * scalex;
dy = (y - px_y) * scaley;
- radius = sqrt (dx * dx + dy * dy);
+ if (!dx && !dy)
+ radius = 0.000001;
+ else
+ radius = sqrt (dx * dx + dy * dy);
shift = o->amplitude * sin (2.0 * G_PI * radius / o->period +
2.0 * G_PI * o->phi);
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