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

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Tk_GetCapStyle(3)		      Tk Library Procedures			Tk_GetCapStyle(3)

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NAME
       Tk_GetCapStyle, Tk_NameOfCapStyle - translate between strings and cap styles

SYNOPSIS
       #include <tk.h>

       int
       Tk_GetCapStyle(interp, string, capPtr)

       const char *
       Tk_NameOfCapStyle(cap)

ARGUMENTS
       Tcl_Interp *interp (in)		Interpreter to use for error reporting.

       const char *string (in)		String containing name of cap style: one of "butt", "pro-
					jecting", or "round".

       int *capPtr (out)		Pointer to location in which to store X cap style  corre-
					sponding to string.

       int cap (in)			Cap style: one of CapButt, CapProjecting, or CapRound.
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DESCRIPTION
       Tk_GetCapStyle  places  in  *capPtr the X cap style corresponding to string.  This will be
       one of the values CapButt, CapProjecting, or CapRound.  Cap styles are typically used in X
       graphics  contexts  to  indicate  how the end-points of lines should be capped.	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 cap style or an abbreviation of one of these names, then an error
       message is stored in interp->result, TCL_ERROR is returned, and *capPtr is unmodified.

       Tk_NameOfCapStyle is the logical inverse of Tk_GetCapStyle.  Given a  cap  style  such  as
       CapButt	it  returns  a statically-allocated string corresponding to cap.  If cap is not a
       legal cap style, then "unknown cap style" is returned.

KEYWORDS
       butt, cap style, projecting, round

Tk										Tk_GetCapStyle(3)
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