X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-studio%2Ftrunk%2Fsrc%2Fsynfigapp%2Fcanvasinterface.cpp;h=29a52b17c7ac33dfd12b26af0a6e516b18e359c2;hb=d189d410a9216f91f17d97791a050e8a38874d3f;hp=31f36ee8dd48c758163ece3a670f46c13caab34d;hpb=8dc81cf9659f3729a91011f0c4e9da5207e5b6d9;p=synfig.git

diff --git a/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp b/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp
index 31f36ee..29a52b1 100644
--- a/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp
+++ b/synfig-studio/trunk/src/synfigapp/canvasinterface.cpp
@@ -91,7 +91,8 @@ CanvasInterface::CanvasInterface(etl::loose_handle<Instance> instance,etl::handl
 
 CanvasInterface::~CanvasInterface()
 {
-	synfig::info("synfigapp::CanvasInterface::~CanvasInterface(): Deleted");
+	if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
+		synfig::info("CanvasInterface::~CanvasInterface(): Deleted");
 }
 
 void
@@ -266,7 +267,8 @@ CanvasInterface::add_layer_to(synfig::String name, synfig::Canvas::Handle canvas
 		return 0;
 	}
 
-	synfig::info("DEPTH=%d",depth);
+	// synfig::info("DEPTH=%d",depth);
+
 	// Action to move the layer (if necessary)
 	if(depth>0)
 	{
@@ -377,7 +379,18 @@ CanvasInterface::generate_param_list(const ValueDesc &value_desc)
 		param_list.add("value_node",value_desc.get_value_node());
 
 	if(value_desc.is_const())
-		param_list.add("value",value_desc.get_value());
+	{
+		// Fix 1868911: if we put a ValueBase holding a Canvas handle
+		// into the param_list and then export the canvas, the handle
+		// will miss out of having its reference count reduced,
+		// because by the time the handle is destructed the canvas
+		// will no longer be inline.  So let's not propogate that
+		// ValueBase any further than here.
+		if (value_desc.get_value_type() == ValueBase::TYPE_CANVAS)
+			param_list.add("value",Canvas::LooseHandle(value_desc.get_value().get(Canvas::LooseHandle())));
+		else
+			param_list.add("value",value_desc.get_value());
+	}
 
 	if(value_desc.parent_is_layer_param())
 	{