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author | Carlos Garnacho <carlosg@gnome.org> | 2008-01-04 20:27:26 (GMT) |
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committer | Carlos Garnacho <carlosg@src.gnome.org> | 2008-01-04 20:27:26 (GMT) |
commit | d66c86c82bbacd93faa4cb1a73572e7860c07308 (patch) | |
tree | c9e5de6497cdcf1e2da4dd9d9b66c16a6ed09020 /shell/ev-transition-animation.c | |
parent | 0473a8908632ad9b12306906da2414d2d36d9582 (diff) |
Implement "cover" effect.
2008-01-04 Carlos Garnacho <carlosg@gnome.org>
* shell/ev-transition-animation.c (ev_transition_animation_cover)
(ev_transition_animation_paint): Implement "cover" effect.
svn path=/trunk/; revision=2807
Diffstat (limited to 'shell/ev-transition-animation.c')
-rw-r--r-- | shell/ev-transition-animation.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/shell/ev-transition-animation.c b/shell/ev-transition-animation.c index a99a47f..2e39ee6 100644 --- a/shell/ev-transition-animation.c +++ b/shell/ev-transition-animation.c @@ -469,6 +469,36 @@ ev_transition_animation_push (cairo_t *cr, } } +static void +ev_transition_animation_cover (cairo_t *cr, + EvTransitionAnimation *animation, + EvTransitionEffect *effect, + gdouble progress, + GdkRectangle page_area) +{ + EvTransitionAnimationPriv *priv; + gint width, height; + gint angle; + + priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); + width = page_area.width; + height = page_area.height; + + g_object_get (effect, + "angle", &angle, + NULL); + + paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); + + if (angle == 0) { + /* left to right */ + paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 0, page_area); + } else { + /* top to bottom */ + paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 0, page_area); + } +} + void ev_transition_animation_paint (EvTransitionAnimation *animation, cairo_t *cr, @@ -513,6 +543,9 @@ ev_transition_animation_paint (EvTransitionAnimation *animation, case EV_TRANSITION_EFFECT_PUSH: ev_transition_animation_push (cr, animation, priv->effect, progress, page_area); break; + case EV_TRANSITION_EFFECT_COVER: + ev_transition_animation_cover (cr, animation, priv->effect, progress, page_area); + break; default: { GEnumValue *enum_value; |