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CentOS 7.0 - man page for tk_getjoinstyle (centos section 3)

Tk_GetJoinStyle(3)		      Tk Library Procedures		       Tk_GetJoinStyle(3)

_________________________________________________________________________________________________

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 reporting.

       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  cor-
					 responding to string.

       int join (in)			 Join style: one of JoinBevel, JoinMiter, 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 adjacent line segments should be joined together.  See the X doc-
       umentation 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 abbreviation of one of these names, then an
       error message is stored in interp->result, TCL_ERROR is returned, and *joinPtr is  unmodi-
       fied.

       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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