From: Carlos Lopez <genetita@gmail.com>
Date: Wed, 15 Sep 2010 17:35:03 +0000 (+0200)
Subject: Split tangents are now red and merged tangents are yellow.
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=7f6cef11226c48906a883b5f411d33546d8c7c1c;p=synfig.git

Split tangents are now red and merged tangents are yellow.
---

diff --git a/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp b/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
index 030a91d..8760b79 100644
--- a/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
+++ b/synfig-studio/src/gui/workarearenderer/renderer_ducks.cpp
@@ -304,7 +304,34 @@ Renderer_Ducks::render_vfunc(
 		if(!(*iter)->get_editable())
 			screen_duck.color=(DUCK_COLOR_NOT_EDITABLE);
 		else if((*iter)->get_tangent())
-			screen_duck.color=((*iter)->get_scalar()<0 ? DUCK_COLOR_TANGENT_1 : DUCK_COLOR_TANGENT_1);
+		{
+			// Check if we can reach the canvas and set the time to
+			// evaluate the split value accordingly
+			synfig::Canvas::Handle canvas_h(get_work_area()->get_canvas());
+			synfig::Time time(canvas_h?canvas_h->get_time():synfig::Time(0));
+			// Retrieve the split value of the bline point.
+			synfigapp::ValueDesc& v_d((*iter)->get_value_desc());
+			synfig::LinkableValueNode::Handle parent;
+			if(v_d.parent_is_linkable_value_node())
+			{
+				parent=v_d.get_parent_value_node();
+				bool split;
+				synfig::ValueNode::Handle child(parent->get_link("split"));
+				if(synfig::ValueNode_Animated::Handle::cast_dynamic(child))
+				{
+					synfig::ValueNode_Animated::Handle animated_child(synfig::ValueNode_Animated::Handle::cast_dynamic(child));
+					split=animated_child->new_waypoint_at_time(time).get_value(time).get(split);
+				}
+				else if(synfig::ValueNode_Const::Handle::cast_dynamic(child))
+				{
+					synfig::ValueNode_Const::Handle const_child(synfig::ValueNode_Const::Handle::cast_dynamic(child));
+					split=(const_child->get_value()).get(split);
+				}
+				screen_duck.color=(split? DUCK_COLOR_TANGENT_2 : DUCK_COLOR_TANGENT_1);
+			}
+			else
+				screen_duck.color=DUCK_COLOR_TANGENT_1;
+		}
 		else if((*iter)->get_type()&Duck::TYPE_VERTEX)
 			screen_duck.color=DUCK_COLOR_VERTEX;
 		else if((*iter)->get_type()&Duck::TYPE_RADIUS)