X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftrunk%2Fsrc%2Fgtkmm%2Fcanvasview.cpp;h=8991ada48a3125dc3c45d3ddf86cb8812d14e159;hb=b342fcadc2077545469c2c967dde580231e6f77b;hp=9357698e2317747e9b97ae07d4faa99886e7a934;hpb=0f6cbbaa466e8da2ac71586793015854d27f72be;p=synfig.git

diff --git a/synfig-studio/trunk/src/gtkmm/canvasview.cpp b/synfig-studio/trunk/src/gtkmm/canvasview.cpp
index 9357698..8991ada 100644
--- a/synfig-studio/trunk/src/gtkmm/canvasview.cpp
+++ b/synfig-studio/trunk/src/gtkmm/canvasview.cpp
@@ -2596,15 +2596,14 @@ CanvasView::on_duck_changed(const synfig::Point &value,const synfigapp::ValueDes
 			Real new_width(value.mag());
 			int scale_index(bline_width->get_link_index_from_name("scale"));
 			Real scale((*(bline_width->get_link(scale_index)))(get_time()).get(Real()));
-			if (!(canvas_interface()->change_value(synfigapp::ValueDesc(bline_width,scale_index),
-												   new_width * scale / old_width)))
-				return false;
+			return canvas_interface()->change_value(synfigapp::ValueDesc(bline_width,scale_index), new_width * scale / old_width);
 		}
+
 		return canvas_interface()->change_value(value_desc,value.mag());
-		break;
+
 	case ValueBase::TYPE_ANGLE:
 		return canvas_interface()->change_value(value_desc,Angle::tan(value[1],value[0]));
-		break;
+
 	case ValueBase::TYPE_VECTOR:
 		if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_desc.get_value_node()))
 		{
@@ -2651,6 +2650,13 @@ CanvasView::on_duck_changed(const synfig::Point &value,const synfigapp::ValueDes
 bool
 CanvasView::on_duck_angle_changed(const synfig::Angle &rotation,const synfigapp::ValueDesc& value_desc)
 {
+	if (ValueNode_BLineCalcTangent::Handle bline_tangent = ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_desc.get_value_node()))
+	{
+		int offset_index(bline_tangent->get_link_index_from_name("offset"));
+		Angle old_offset((*(bline_tangent->get_link(offset_index)))(get_time()).get(Angle()));
+		return canvas_interface()->change_value(synfigapp::ValueDesc(bline_tangent,offset_index), old_offset + rotation);
+	}
+
 	// \todo will this really always be the case?
 	assert(value_desc.get_value_type() == ValueBase::TYPE_ANGLE);
 	return canvas_interface()->change_value(value_desc, value_desc.get_value(get_time()).get(Angle()) + rotation);