enum Tool_Types {
	TOOL_TYPE_PENCIL,
	TOOL_TYPE_ERASER,
	TOOL_TYPE_FILL,
	TOOL_TYPE_ZOOMIN,
	TOOL_TYPE_ZOOMOUT,
	TOOL_TYPE_CLOWN,
	TOOL_TYPE_CPICKER,
	TOOL_TYPE_UNDO,
	TOOL_TYPE_REDO,
	TOOL_TYPE_EMPTY,
};

extern unsigned char tool_array[];
extern unsigned char tool_cur;

void            tool_change(unsigned char);
unsigned char   tool_array_size();