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Tk_GetJoinStyle(3)	     Tk Library Procedures	    Tk_GetJoinStyle(3)

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NAME
       Tk_GetJoinStyle,	 Tk_NameOfJoinStyle  -	translate  between strings and
       join styles

SYNOPSIS
       #include <tk.h>

       int
       Tk_GetJoinStyle(interp, string, joinPtr)

       const char *
       Tk_NameOfJoinStyle(join)

ARGUMENTS
       Tcl_Interp *interp (in)		 Interpreter to use for error  report‐
					 ing.

       const char *string (in)		 String containing name of join style:
					 one of “bevel”, “miter”, or “round”.

       int *joinPtr (out)		 Pointer to location in which to store
					 X join style corresponding to string.

       int join (in)			 Join  style:  one of JoinBevel, Join‐
					 Miter, JoinRound.
_________________________________________________________________

DESCRIPTION
       Tk_GetJoinStyle places in *joinPtr the X join  style  corresponding  to
       string,	which will be one of JoinBevel, JoinMiter, or JoinRound.  Join
       styles are typically used in X graphics contexts to indicate how	 adja‐
       cent  line segments should be joined together.  See the X documentation
       for information on what each style implies.

       Under normal circumstances the return value is  TCL_OK  and  interp  is
       unused.	 If string does not contain a valid join style or an abbrevia‐
       tion of one of  these  names,  then  an	error  message	is  stored  in
       interp->result, TCL_ERROR is returned, and *joinPtr is unmodified.

       Tk_NameOfJoinStyle  is the logical inverse of Tk_GetJoinStyle.  Given a
       join style such as JoinBevel it returns a  statically-allocated	string
       corresponding  to  join.	  If  join  is	not  a	legal join style, then
       “unknown join style” is returned.

KEYWORDS
       bevel, join style, miter, round

Tk							    Tk_GetJoinStyle(3)

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