minus zoom

src/tree.hpp

@@ -4,6 +4,8 @@
 #include <vector>
 #include "person.hpp"
 
+enum ZoomLevel: U8;
+
 using person_id = U32;
 enum: person_id {
 	Nobody = UINT32_MAX
@@ -75,7 +77,7 @@ public:
 
 	/* void printRel(person_id id)const; //Prints out close relatives */
 	void printMember(person_id)const;
-	void draw(person_id selected, U8 zoom, I16 offsetY, I16 offsetX);
+	void draw(person_id selected, ZoomLevel, I16 offsetY, I16 offsetX);
 
 private:
 	// recursion to find common ancestor
@@ -97,7 +99,7 @@ private:
 	// 0 is the first person in the tree
 	person_id focused_ = 0;			/* the tree was draw based on this person */
 	person_id selected_;
-	U8 zoom_ = 0;
+	ZoomLevel zoom_;
 
 	// todo: figure out what to do with these constants
 	const U8 dist_between_ = 1;		/* distance between people */