Added copyright lines for files I've edited this year.
[synfig.git] / synfig-studio / trunk / src / synfigapp / canvasinterface.cpp
index 87971c0..ce817d8 100644 (file)
@@ -6,7 +6,7 @@
 **
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**     Copyright (c) 2007 Chris Moore
+**     Copyright (c) 2007, 2008 Chris Moore
 **
 **     This package is free software; you can redistribute it and/or
 **     modify it under the terms of the GNU General Public License as
@@ -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
@@ -193,6 +194,22 @@ CanvasInterface::add_layer_to(synfig::String name, synfig::Canvas::Handle canvas
                return 0;
        }
 
+       // automatically export the Index parameter of new Duplicate layers
+       if (name == "duplicate")
+               for (int i = 1; ; i++)
+               {
+                       String name = strprintf(_("Index %d"), i);
+                       try
+                       {
+                               canvas->find_value_node(name);
+                       }
+                       catch (Exception::IDNotFound x)
+                       {
+                               add_value_node(layer->dynamic_param_list().find("index")->second, name);
+                               break;
+                       }
+               }
+
        layer->set_canvas(canvas);
 
        // Apply some defaults
@@ -250,7 +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)
        {
@@ -296,6 +314,7 @@ CanvasInterface::convert(ValueDesc value_desc, synfig::String type)
        action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
        action->set_param("value_desc",value_desc);
        action->set_param("type",type);
+       action->set_param("time",get_time());
 
        if(!action->is_ready())
        {
@@ -360,7 +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())
        {
@@ -542,14 +572,14 @@ CanvasInterface::import(const synfig::String &filename, bool /*copy*/)
                        {
                                x[0]=size[0];
                                x[1]=size[0]/w*h;
-                               if(size[0]<0 ^ size[1]<0)
+                               if((size[0]<0) ^ (size[1]<0))
                                        x[1]=-x[1];
                        }
                        else
                        {
                                x[1]=size[1];
                                x[0]=size[1]/h*w;
-                               if(size[0]<0 ^ size[1]<0)
+                               if((size[0]<0) ^ (size[1]<0))
                                        x[0]=-x[0];
                        }
                        if(!layer->set_param("tl",ValueBase(-x/2)))
@@ -582,6 +612,13 @@ CanvasInterface::import(const synfig::String &filename, bool /*copy*/)
 void
 CanvasInterface::waypoint_duplicate(synfigapp::ValueDesc value_desc,synfig::Waypoint waypoint)
 {
+       ValueNode::Handle value_node();
+       waypoint_duplicate(value_desc.get_value_node(), waypoint);
+}
+
+void
+CanvasInterface::waypoint_duplicate(ValueNode::Handle value_node,synfig::Waypoint waypoint)
+{
        Action::Handle  action(Action::create("waypoint_set_smart"));
 
        assert(action);
@@ -591,8 +628,6 @@ CanvasInterface::waypoint_duplicate(synfigapp::ValueDesc value_desc,synfig::Wayp
        waypoint.make_unique();
        waypoint.set_time(get_time());
 
-       ValueNode::Handle value_node(value_desc.get_value_node());
-
        action->set_param("canvas",get_canvas());
        action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
        action->set_param("waypoint",waypoint);
@@ -606,14 +641,19 @@ CanvasInterface::waypoint_duplicate(synfigapp::ValueDesc value_desc,synfig::Wayp
 void
 CanvasInterface::waypoint_remove(synfigapp::ValueDesc value_desc,synfig::Waypoint waypoint)
 {
+       ValueNode::Handle value_node();
+       waypoint_remove(value_desc.get_value_node(), waypoint);
+}
+
+void
+CanvasInterface::waypoint_remove(ValueNode::Handle value_node,synfig::Waypoint waypoint)
+{
        Action::Handle  action(Action::create("waypoint_remove"));
 
        assert(action);
        if(!action)
                return;
 
-       ValueNode::Handle value_node(value_desc.get_value_node());
-
        action->set_param("canvas",get_canvas());
        action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
        action->set_param("waypoint",waypoint);