Remove addHelperPaths() from Effect; now getHelperPaths() returns a list of canvas indicators provided by the effect itself or its parameters (overload addCanvasIndicators to provide them in derived effects)

(bzr r6450)

1 files changed, 4 insertions, 0 deletions

diff --git a/src/live_effects/parameter/parameter.h b/src/live_effects/parameter/parameter.h
index 02d520fe4..8c24c50de 100644
--- a/src/live_effects/parameter/parameter.h
+++ b/src/live_effects/parameter/parameter.h
@@ -11,8 +11,10 @@
 
 #include <glibmm/ustring.h>
 #include <2geom/forward.h>
+#include <2geom/pathvector.h>
 
 class KnotHolder;
+class SPLPEItem;
 struct SPDesktop;
 struct SPItem;
 
@@ -57,7 +59,9 @@ public:
 
     virtual Glib::ustring * param_getTooltip() { return &param_tooltip; };
 
+    // overload these for your particular parameter to make it provide knotholder handles or canvas helperpaths
     virtual void addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item) {}
+    virtual void addCanvasIndicators(SPLPEItem *lpeitem, std::vector<Geom::PathVector> &hp_vec) {};
 
     virtual void param_editOncanvas(SPItem * /*item*/, SPDesktop * /*dt*/) {};
     virtual void param_setup_nodepath(Inkscape::NodePath::Path */*np*/) {};