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Tk_GetJoinStyle(3)    Tk Library Procedures



Tk_GetJoinStyle, Tk_NameOfJoinStyle - translate between strings and join styles


#include <tk.h> int Tk_GetJoinStyle(interp, string, joinPtr) char * Tk_NameOfJoinStyle(join)


Tcl_Interp *interp (in) Interpreter to use for error reporting. 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 Join- Bevel, JoinMiter, Join- Round. _________________________________________________________________


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 doesn't 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. Tk 1 Tk_GetJoinStyle(3) Tk Library Procedures If join isn't a legal join style, then ``unknown join style'' is returned.


bevel, join style, miter, round Tk 2 Prepared by Ready-to-Run Software, Inc.


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