{
GdkRectangle viewport;
GskRenderNode *render_node;
+ cairo_region_t *render_region;
cairo_region_t *clip_region;
};
PROP_0,
PROP_VIEWPORT,
PROP_RENDER_NODE,
+ PROP_RENDER_REGION,
PROP_CLIP_REGION,
LAST_PROP
};
g_value_set_pointer (value, priv->render_node);
break;
+ case PROP_RENDER_REGION:
+ g_value_set_boxed (value, priv->render_region);
+ break;
+
case PROP_CLIP_REGION:
g_value_set_boxed (value, priv->clip_region);
break;
gtk_render_node_view_set_render_node (view, g_value_get_pointer (value));
break;
+ case PROP_RENDER_REGION:
+ gtk_render_node_view_set_render_region (view, g_value_get_boxed (value));
+ break;
+
case PROP_CLIP_REGION:
gtk_render_node_view_set_clip_region (view, g_value_get_boxed (value));
break;
GtkRenderNodeViewPrivate *priv = gtk_render_node_view_get_instance_private (view);
g_clear_pointer (&priv->render_node, gsk_render_node_unref);
+ g_clear_pointer (&priv->render_region, cairo_region_destroy);
g_clear_pointer (&priv->clip_region, cairo_region_destroy);
G_OBJECT_CLASS (gtk_render_node_view_parent_class)->dispose (object);
gsk_renderer_render (fallback, priv->render_node, NULL);
g_object_unref (fallback);
+ if (priv->render_region)
+ {
+ cairo_region_t *draw;
+ cairo_pattern_t *linear;
+
+ linear = cairo_pattern_create_linear (0, 0, 10, 10);
+ cairo_pattern_set_extend (linear, CAIRO_EXTEND_REPEAT);
+ cairo_pattern_add_color_stop_rgba (linear, 0.4, 0, 0, 0, 0);
+ cairo_pattern_add_color_stop_rgba (linear, 0.45, 0, 0, 0, 0.5);
+ cairo_pattern_add_color_stop_rgba (linear, 0.55, 0, 0, 0, 0.5);
+ cairo_pattern_add_color_stop_rgba (linear, 0.6, 0, 0, 0, 0);
+
+ draw = cairo_region_create_rectangle (&viewport);
+ cairo_region_subtract (draw, priv->render_region);
+
+ cairo_set_source (cr, linear);
+ gdk_cairo_region (cr, draw);
+ cairo_fill (cr);
+
+ cairo_region_destroy (draw);
+ cairo_pattern_destroy (linear);
+ }
+
if (priv->clip_region)
{
cairo_region_t *draw;
/* GSK_TYPE_RENDER_NODE, */
G_PARAM_READWRITE);
+ props[PROP_RENDER_REGION] =
+ g_param_spec_boxed ("render-region",
+ "Render region",
+ "Actually rendered region",
+ CAIRO_GOBJECT_TYPE_REGION,
+ G_PARAM_READWRITE);
+
props[PROP_CLIP_REGION] =
g_param_spec_boxed ("clip-region",
"Clip region",
G_PARAM_READWRITE);
g_object_class_install_properties (object_class, LAST_PROP, props);
-
}
static void
return priv->clip_region;
}
+void
+gtk_render_node_view_set_render_region (GtkRenderNodeView *view,
+ const cairo_region_t *region)
+{
+ GtkRenderNodeViewPrivate *priv = gtk_render_node_view_get_instance_private (view);
+
+ if (priv->render_region)
+ cairo_region_destroy (priv->render_region);
+ priv->render_region = cairo_region_copy (region);
+
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+
+ g_object_notify_by_pspec (G_OBJECT (view), props[PROP_RENDER_REGION]);
+}
+
+const cairo_region_t*
+gtk_render_node_view_get_render_region (GtkRenderNodeView *view)
+{
+ GtkRenderNodeViewPrivate *priv = gtk_render_node_view_get_instance_private (view);
+
+ return priv->render_region;
+}
+
// vim: set et sw=2 ts=2: