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author | Carlos Garnacho <carlosg@gnome.org> | 2008-01-04 20:26:43 (GMT) |
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committer | Carlos Garnacho <carlosg@src.gnome.org> | 2008-01-04 20:26:43 (GMT) |
commit | 4859886aa78453b5a948f5ca17083bae536c4625 (patch) | |
tree | 4bcdd8d48468875a1b2bd82bfadee78b273942e2 /shell/ev-transition-animation.c | |
parent | 1d75fddea8eab6fa418fd6ff7434462e121d69f4 (diff) |
Implement "blinds" effect.
2008-01-04 Carlos Garnacho <carlosg@gnome.org>
* shell/ev-transition-animation.c (ev_transition_animation_blinds)
(ev_transition_animation_paint): Implement "blinds" effect.
svn path=/trunk/; revision=2802
Diffstat (limited to 'shell/ev-transition-animation.c')
-rw-r--r-- | shell/ev-transition-animation.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/shell/ev-transition-animation.c b/shell/ev-transition-animation.c index e2bc323..aa0177e 100644 --- a/shell/ev-transition-animation.c +++ b/shell/ev-transition-animation.c @@ -282,6 +282,50 @@ ev_transition_animation_split (cairo_t *cr, } } +static void +ev_transition_animation_blinds (cairo_t *cr, + EvTransitionAnimation *animation, + EvTransitionEffect *effect, + gdouble progress, + GdkRectangle page_area) +{ + EvTransitionAnimationPriv *priv; + EvTransitionEffectAlignment alignment; + gint width, height, i; + + priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation); + width = page_area.width; + height = page_area.height; + + g_object_get (effect, + "alignment", &alignment, + NULL); + + paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area); + + for (i = 0; i < N_BLINDS; i++) { + cairo_save (cr); + + if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) { + cairo_rectangle (cr, + 0, + height / N_BLINDS * i, + width, + height / N_BLINDS * progress); + } else { + cairo_rectangle (cr, + width / N_BLINDS * i, + 0, + width / N_BLINDS * progress, + height); + } + + cairo_clip (cr); + paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); + cairo_restore (cr); + } +} + void ev_transition_animation_paint (EvTransitionAnimation *animation, cairo_t *cr, @@ -311,6 +355,9 @@ ev_transition_animation_paint (EvTransitionAnimation *animation, case EV_TRANSITION_EFFECT_SPLIT: ev_transition_animation_split (cr, animation, priv->effect, progress, page_area); break; + case EV_TRANSITION_EFFECT_BLINDS: + ev_transition_animation_blinds (cr, animation, priv->effect, progress, page_area); + break; default: { GEnumValue *enum_value; |