From: Carlos Garnacho Date: Fri, 4 Jan 2008 20:27:01 +0000 (+0000) Subject: Implement "wipe" effect. X-Git-Tag: EVINCE_2_21_90~66 X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=commitdiff_plain;h=a228d600b794b4cb081e372b2d356897fb956196;p=evince.git Implement "wipe" effect. 2008-01-04 Carlos Garnacho * shell/ev-transition-animation.c (ev_transition_animation_wipe) (ev_transition_animation_paint): Implement "wipe" effect. svn path=/trunk/; revision=2804 --- diff --git a/ChangeLog b/ChangeLog index f54aa8e0..ab96d653 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2008-01-04 Carlos Garnacho + + * shell/ev-transition-animation.c (ev_transition_animation_wipe) + (ev_transition_animation_paint): Implement "wipe" effect. + 2008-01-04 Carlos Garnacho * shell/ev-transition-animation.c (ev_transition_animation_box) diff --git a/shell/ev-transition-animation.c b/shell/ev-transition-animation.c index 6a4006b2..028a36c9 100644 --- a/shell/ev-transition-animation.c +++ b/shell/ev-transition-animation.c @@ -370,6 +370,60 @@ ev_transition_animation_box (cairo_t *cr, } } +static void +ev_transition_animation_wipe (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 */ + cairo_rectangle (cr, + 0, 0, + width * progress, + height); + } else if (angle <= 90) { + /* bottom to top */ + cairo_rectangle (cr, + 0, + height * (1 - progress), + width, + height * progress); + } else if (angle <= 180) { + /* right to left */ + cairo_rectangle (cr, + width * (1 - progress), + 0, + width * progress, + height); + } else if (angle <= 270) { + /* top to bottom */ + cairo_rectangle (cr, + 0, 0, + width, + height * progress); + } + + cairo_clip (cr); + + paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area); +} + void ev_transition_animation_paint (EvTransitionAnimation *animation, cairo_t *cr, @@ -405,6 +459,9 @@ ev_transition_animation_paint (EvTransitionAnimation *animation, case EV_TRANSITION_EFFECT_BOX: ev_transition_animation_box (cr, animation, priv->effect, progress, page_area); break; + case EV_TRANSITION_EFFECT_WIPE: + ev_transition_animation_wipe (cr, animation, priv->effect, progress, page_area); + break; default: { GEnumValue *enum_value;