If we're fading a view with weston_fade_run() and half way through we
want to unfade it we can use weston_fade_update() to set a new alpha
target. When the animation finishes, reset_alpha() is called which
ensures the alpha value of the view is exactly as requested.
Although weston_fade_update() was updating the spring target so the
animation would look fine, it would then reset to the alpha target
given in the first call to weston_fade_run().
---
src/animation.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/animation.c b/src/animation.c
index 5ded3ad..0febe41 100644
--- a/src/animation.c
+++ b/src/animation.c
@@ -330,6 +330,7 @@ WL_EXPORT void
weston_fade_update(struct weston_view_animation *fade, float target)
{
fade->spring.target = target;
+ fade->stop = target;
}
static void
--
2.0.1
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