Tk_GetJoinStyle
NAMESYNOPSIS
ARGUMENTS
DESCRIPTION
KEYWORDS
___________________________
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 corresponding 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 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 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 unmodified.
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
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