|
ActiveTcl User Guide |
|
Tk_GetCapStyle, Tk_NameOfCapStyle - translate between strings and
cap styles
#include <tk.h>
int
Tk_GetCapStyle(interp, string, capPtr)
const char *
Tk_NameOfCapStyle(cap)
- 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.
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.
butt, cap style, projecting, round
Copyright © 1995-1997 Roger E. Critchlow Jr.
Copyright © 1990 The Regents of the University of California.
Copyright © 1994-1996 Sun Microsystems, Inc.