now it's possible to paint on any given layer. also changed worldrf.

1 files changed, 7 insertions, 2 deletions

diff --git a/fns.h b/fns.h
index 6667415..cd9b91e 100644
--- a/fns.h
+++ b/fns.h
@@ -4,8 +4,13 @@ void *erealloc(void*, ulong);
 Image *eallocimage(Display*, Rectangle, ulong, int, ulong);
 
 /* canvas */
-Canvas *newcanvas(Point2, Rectangle, ulong);
+Canvas *newcanvas(char*, Point2, Rectangle, ulong);
+void rmcanvas(Canvas*);
 
 /* layer */
-Layer *newlayer(Canvas*);
+Layer *newlayer(char*, Canvas*);
 void rmlayer(Layer*);
+
+/* utils */
+double fclamp(double, double, double);
+int alphachan(ulong);