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| author | Emmanuele Bassi <ebassi@gnome.org> | 2013-09-03 11:51:19 +0100 |
|---|---|---|
| committer | Emmanuele Bassi <ebassi@gnome.org> | 2013-11-20 23:13:47 +0000 |
| commit | ff5763c6e2044bcf355ef1026001e5e62726e0c2 (patch) | |
| tree | a01be609530605abc0fc42c424aa98ca7fbc86a6 | |
| parent | 80d3fbdb9ca2e996cc66c25ff37ddfe43a18434e (diff) | |
| download | clutter-ff5763c6e2044bcf355ef1026001e5e62726e0c2.tar.gz | |
device: Guard against divisions by zero
The range of a device could be 0, so we need to bail out from the
scaling during the axis translation.
https://bugzilla.gnome.org/show_bug.cgi?id=707033
(cherry picked from commit fb8eacfb0256a211ca79366945c8f4eb4962be4e)
Signed-off-by: Emmanuele Bassi <ebassi@gnome.org>
| -rw-r--r-- | clutter/clutter-input-device.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clutter/clutter-input-device.c b/clutter/clutter-input-device.c index e92cf22a7..d2221772c 100644 --- a/clutter/clutter-input-device.c +++ b/clutter/clutter-input-device.c @@ -46,6 +46,8 @@ #include "clutter-private.h" #include "clutter-stage-private.h" +#include <math.h> + enum { PROP_0, @@ -1199,6 +1201,9 @@ _clutter_input_device_translate_axis (ClutterInputDevice *device, info->axis == CLUTTER_INPUT_AXIS_Y) return FALSE; + if (fabs (info->max_value - info->min_value) < 0.0000001) + return FALSE; + width = info->max_value - info->min_value; real_value = (info->max_axis * (value - info->min_value) + info->min_axis * (info->max_value - value)) |