diff options
author | Carlos Garnacho <carlosg@gnome.org> | 2008-01-04 20:26:33 (GMT) |
---|---|---|
committer | Carlos Garnacho <carlosg@src.gnome.org> | 2008-01-04 20:26:33 (GMT) |
commit | 1d75fddea8eab6fa418fd6ff7434462e121d69f4 (patch) | |
tree | b9ca296ba8ce39a581bb73150fff75a1b392c672 /shell | |
parent | 1624d8ca4f26f53dcae3e2f122285d75fa003384 (diff) |
Implement "split" effect.
2008-01-04 Carlos Garnacho <carlosg@gnome.org>
* shell/ev-transition-animation.c (ev_transition_animation_split)
(ev_transition_animation_paint): Implement "split" effect.
svn path=/trunk/; revision=2801
Diffstat (limited to 'shell')
-rw-r--r-- | shell/ev-transition-animation.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/shell/ev-transition-animation.c b/shell/ev-transition-animation.c index 13c8f01..e2bc323 100644 --- a/shell/ev-transition-animation.c +++ b/shell/ev-transition-animation.c @@ -217,6 +217,71 @@ paint_surface (cairo_t *cr, cairo_restore (cr); } +/* animations */ +static void +ev_transition_animation_split (cairo_t *cr, + EvTransitionAnimation *animation, + EvTransitionEffect *effect, + gdouble progress, + GdkRectangle page_area) +{ + EvTransitionAnimationPriv *priv; + EvTransitionEffectAlignment alignment; + EvTransitionEffectDirection direction; + gint width, height; + + priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); + width = page_area.width; + height = page_area.height; + + g_object_get (effect, + "alignment", &alignment, + "direction", &direction, + NULL); + + if (direction == EV_TRANSITION_DIRECTION_INWARD) { + paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); + + if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { + cairo_rectangle (cr, + 0, + height * progress / 2, + width, + height * (1 - progress)); + } else { + cairo_rectangle (cr, + width * progress / 2, + 0, + width * (1 - progress), + height); + } + + cairo_clip (cr); + + paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); + } else { + paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); + + if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { + cairo_rectangle (cr, + 0, + (height / 2) - (height * progress / 2), + width, + height * progress); + } else { + cairo_rectangle (cr, + (width / 2) - (width * progress / 2), + 0, + width * progress, + height); + } + + cairo_clip (cr); + + paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); + } +} + void ev_transition_animation_paint (EvTransitionAnimation *animation, cairo_t *cr, @@ -243,6 +308,9 @@ ev_transition_animation_paint (EvTransitionAnimation *animation, /* just paint the destination slide */ paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); break; + case EV_TRANSITION_EFFECT_SPLIT: + ev_transition_animation_split (cr, animation, priv->effect, progress, page_area); + break; default: { GEnumValue *enum_value; |