X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fsynfig%2Flayer.h;h=a9952990f7f6497dccd320578cd1753a1852d339;hb=cc83d5882412702f6185f7152c560afd05a85154;hp=3e332d98c064cf2d5179130bb502a2bb0996bc4e;hpb=70dccb34d96712a0d2eb26332ee4d32ed2678c25;p=synfig.git

diff --git a/synfig-core/trunk/src/synfig/layer.h b/synfig-core/trunk/src/synfig/layer.h
index 3e332d9..a995299 100644
--- a/synfig-core/trunk/src/synfig/layer.h
+++ b/synfig-core/trunk/src/synfig/layer.h
@@ -322,6 +322,12 @@ 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 -----------------------------------
 	*/
@@ -422,6 +428,14 @@ 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;