Author: Carlos Lopez <genet...@gmail.com>
Date: Tue Aug 9 11:52:58 2011 +0200
Avoid crash when user exports a wplist and the bline connection is lost. Now if
the user selects an exported WPList it won't add any duck
---
synfig-studio/src/gui/duckmatic.cpp | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/synfig-studio/src/gui/duckmatic.cpp
b/synfig-studio/src/gui/duckmatic.cpp
index 8ec5dd9..32a7cb7 100644
--- a/synfig-studio/src/gui/duckmatic.cpp
+++ b/synfig-studio/src/gui/duckmatic.cpp
@@ -2128,6 +2128,11 @@ Duckmatic::add_to_ducks(const synfigapp::ValueDesc&
value_desc,etl::handle<Canva
error("expected a ValueNode_WPList");
assert(0);
}
+ ValueNode::Handle bline(value_node->get_bline());
+ // it is not possible to place any widthpoint's duck if
there is
+ // not associated bline.
+ if(!bline)
+ return false;
// Retrieve the homogeneous layer parameter
Layer::Handle layer_parent;
if(value_desc.parent_is_layer_param())
@@ -2161,9 +2166,8 @@ Duckmatic::add_to_ducks(const synfigapp::ValueDesc&
value_desc,etl::handle<Canva
// The position by amount and the
amount by position
// has to be written considering the
bline length too
// optionally
- const ValueBase
bline((*value_node->get_bline())(get_time()));
ValueNode_BLineCalcVertex::LooseHandle
bline_calc_vertex(ValueNode_BLineCalcVertex::create(Vector(0,0)));
- bline_calc_vertex->set_link("bline",
value_node->get_bline());
+ bline_calc_vertex->set_link("bline",
bline);
bline_calc_vertex->set_link("loop",
ValueNode_Const::create(value_node->get_loop()));
bline_calc_vertex->set_link("amount",
ValueNode_Const::create(width_point.get_position()));
bline_calc_vertex->set_link("homogeneous",
ValueNode_Const::create(homogeneous));
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