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Tk_GetCapStyle(3) Tk Library Procedures Tk_GetCapStyle(3)
__________________________________________________________________________________________________________________________________________________
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", "projecting", or "round".
int *capPtr (out) Pointer to location in which to store X cap style corresponding to string.
int cap (in) Cap style: one of CapButt, CapProjecting, or CapRound.
_________________________________________________________________
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 docu-
mentation 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 abbrevia-
tion 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)