X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Flayer.h;h=1e01f58ea999e766e34e750c0a750a4c9bddff5a;hb=756c0d29ac1742f231e6615f9a577e574e35a4af;hp=a3ae3b74561099424da7c966b8f98e49699c91bd;hpb=eaf12afa6f6d98b64bec9dd9d55019e9bf3553a4;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/layer.h b/synfig-core/trunk/src/synfig/layer.h
index a3ae3b7..1e01f58 100644
--- a/synfig-core/trunk/src/synfig/layer.h
+++ b/synfig-core/trunk/src/synfig/layer.h
@@ -6,6 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	Copyright (c) 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
@@ -77,11 +78,15 @@
 #define EXPORT(x)					EXPORT_AS(x,#x)
 
 //! \writeme
-#define EXPORT_NAME()	if(param=="Name" || param=="name" || param=="name__") { return name__; } if(param=="local_name__") { return local_name__; }
+#define EXPORT_NAME()	if(param=="Name" || param=="name" || param=="name__") { return name__; } if(param=="local_name__") { return dgettext("synfig",local_name__); }
 
 //! \writeme
 #define EXPORT_VERSION()	if(param=="Version" || param=="version" || param=="version__") { return version__; }
 
+//! This is used as the category for layer book entries which represent aliases of layers.
+//! It prevents these layers showing up in the menu.
+#define CATEGORY_DO_NOT_USE "Do Not Use"
+
 /* === T Y P E D E F S ===================================================== */
 
 /* === C L A S S E S & S T R U C T S ======================================= */
@@ -318,6 +323,12 @@ public:
 	//! \writeme
 	void set_description(const String& x);
 
+	//! Returns the layer's description if it's not empty, else its local name
+	const String get_non_empty_description()const { return get_description().empty() ? get_local_name() : get_description(); }
+
+	//! Returns the localised version of the given layer parameter
+	const String get_param_local_name(const String &param_name)const;
+
 	/*
  --	** -- V I R T U A L   F U N C T I O N S -----------------------------------
 	*/
@@ -418,8 +429,18 @@ public:
 	//! Duplicates the Layer
 	virtual Handle clone(const GUID& deriv_guid=GUID())const;
 
+	//! Returns true if the layer needs to be able to examine its context.
+	/*! context to render itself, other than for simple blending.  For
+	**  example, the blur layer will return true - it can't do its job
+	**  if it can't see its context, and the circle layer will return
+	**  false - rendering a circle doesn't depend on the underlying
+	**  context until the final blend operation. */
+	virtual bool reads_context()const;
+
+#ifdef THIS_CODE_IS_NOT_USED
 	//! Duplicates the Layer without duplicating the value nodes
 	virtual Layer *simple_clone()const;
+#endif /* THIS_CODE_IS_NOT_USED */
 
 protected: