Tk_GetCapStyle
NAMESYNOPSIS
ARGUMENTS
DESCRIPTION
KEYWORDS
___________________________
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 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
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