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Restoring alpha after the shell effects.

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After the fade or zoom effects, alpha could not have been 1.0, preventing
not redrawing behind opaque windows.

This patch add a reset function in weston_surface_animation to reset
some variables the effects affect.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Axel Davy 2013-09-17 14:55:55 +02:00 committed by Kristian Høgsberg
parent fda265268d
commit 5e396ae9ae
1 changed files with 20 additions and 4 deletions
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24
src/animation.c
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@ -124,6 +124,7 @@ struct weston_surface_animation {
struct wl_listener listener;
float start, stop;
weston_surface_animation_frame_func_t frame;
weston_surface_animation_frame_func_t reset;
weston_surface_animation_done_func_t done;
void *data;
};
@ -134,6 +135,8 @@ weston_surface_animation_destroy(struct weston_surface_animation *animation)
wl_list_remove(&animation->animation.link);
wl_list_remove(&animation->listener.link);
wl_list_remove(&animation->transform.link);
if (animation->reset)
animation->reset(animation);
weston_surface_geometry_dirty(animation->surface);
if (animation->done)
animation->done(animation, animation->data);
@ -179,6 +182,7 @@ static struct weston_surface_animation *
weston_surface_animation_run(struct weston_surface *surface,
float start, float stop,
weston_surface_animation_frame_func_t frame,
weston_surface_animation_frame_func_t reset,
weston_surface_animation_done_func_t done,
void *data)
{
@ -190,6 +194,7 @@ weston_surface_animation_run(struct weston_surface *surface,
animation->surface = surface;
animation->frame = frame;
animation->reset = reset;
animation->done = done;
animation->data = data;
animation->start = start;
@ -212,6 +217,14 @@ weston_surface_animation_run(struct weston_surface *surface,
return animation;
}
static void
reset_alpha(struct weston_surface_animation *animation)
{
struct weston_surface *surface = animation->surface;
surface->alpha = animation->stop;
}
static void
zoom_frame(struct weston_surface_animation *animation)
{
@ -242,7 +255,8 @@ weston_zoom_run(struct weston_surface *surface, float start, float stop,
struct weston_surface_animation *zoom;
zoom = weston_surface_animation_run(surface, start, stop,
zoom_frame, done, data);
zoom_frame, reset_alpha,
done, data);
weston_spring_init(&zoom->spring, 300.0, start, stop);
zoom->spring.friction = 1400;
@ -269,8 +283,9 @@ weston_fade_run(struct weston_surface *surface,
{
struct weston_surface_animation *fade;
fade = weston_surface_animation_run(surface, 0, 0,
fade_frame, done, data);
fade = weston_surface_animation_run(surface, 0, end,
fade_frame, reset_alpha,
done, data);
weston_spring_init(&fade->spring, k, start, end);
@ -307,7 +322,8 @@ weston_slide_run(struct weston_surface *surface, float start, float stop,
struct weston_surface_animation *animation;
animation = weston_surface_animation_run(surface, start, stop,
slide_frame, done, data);
slide_frame, NULL, done,
data);
if (!animation)
return NULL;