X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-transition-animation.c;h=148b4c7734eccaba3e576e1f1ec5ef060ce722e3;hb=5e55b6b5e74175b5638337616b84527fb8286908;hp=6a4006b27df5170ae5eae7db03b32235dab288ce;hpb=16e10a8f22b1c22f6770e8d9d62938b83b5c52f1;p=evince.git

diff --git a/shell/ev-transition-animation.c b/shell/ev-transition-animation.c
index 6a4006b2..148b4c77 100644
--- a/shell/ev-transition-animation.c
+++ b/shell/ev-transition-animation.c
@@ -370,6 +370,180 @@ 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);
+}
+
+static void
+ev_transition_animation_dissolve (cairo_t               *cr,
+				  EvTransitionAnimation *animation,
+				  EvTransitionEffect    *effect,
+				  gdouble                progress,
+				  GdkRectangle           page_area)
+{
+	EvTransitionAnimationPriv *priv;
+
+	priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+	paint_surface (cr, priv->dest_surface, 0, 0, 0, page_area);
+	paint_surface (cr, priv->origin_surface, 0, 0, 1 - progress, page_area);
+}
+
+static void
+ev_transition_animation_push (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);
+
+	if (angle == 0) {
+		/* left to right */
+		paint_surface (cr, priv->origin_surface, - (width * progress), 0, 0, page_area);
+		paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 0, page_area);
+	} else {
+		/* top to bottom */
+		paint_surface (cr, priv->origin_surface, 0, - (height * progress), 0, page_area);
+		paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 0, page_area);
+	}
+}
+
+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);
+	}
+}
+
+static void
+ev_transition_animation_uncover (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->dest_surface, 0, 0, 0, page_area);
+
+	if (angle == 0) {
+		/* left to right */
+		paint_surface (cr, priv->origin_surface, - (width * progress), 0, 0, page_area);
+	} else {
+		/* top to bottom */
+		paint_surface (cr, priv->origin_surface, 0, - (height * progress), 0, page_area);
+	}
+}
+
+static void
+ev_transition_animation_fade (cairo_t               *cr,
+			      EvTransitionAnimation *animation,
+			      EvTransitionEffect    *effect,
+			      gdouble                progress,
+			      GdkRectangle           page_area)
+{
+	EvTransitionAnimationPriv *priv;
+
+	priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+	paint_surface (cr, priv->origin_surface, 0, 0, 0, page_area);
+	paint_surface (cr, priv->dest_surface, 0, 0, progress, page_area);
+}
+
 void
 ev_transition_animation_paint (EvTransitionAnimation *animation,
 			       cairo_t               *cr,
@@ -405,6 +579,24 @@ 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;
+	case EV_TRANSITION_EFFECT_DISSOLVE:
+		ev_transition_animation_dissolve (cr, animation, priv->effect, progress, page_area);
+		break;
+	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;
+	case EV_TRANSITION_EFFECT_UNCOVER:
+		ev_transition_animation_uncover (cr, animation, priv->effect, progress, page_area);
+		break;
+	case EV_TRANSITION_EFFECT_FADE:
+		ev_transition_animation_fade (cr, animation, priv->effect, progress, page_area);
+		break;
 	default: {
 		GEnumValue *enum_value;
 
@@ -476,3 +668,15 @@ ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation,
 	if (priv->origin_surface && priv->dest_surface)
 		ev_timeline_start (EV_TIMELINE (animation));
 }
+
+gboolean
+ev_transition_animation_ready (EvTransitionAnimation *animation)
+{
+	EvTransitionAnimationPriv *priv;
+
+	g_return_val_if_fail (EV_IS_TRANSITION_ANIMATION (animation), FALSE);
+
+	priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+	return (priv->origin_surface && priv->dest_surface);
+}