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Tk_GetJoinStyle.3tk
Langue: en
Version: 321044 (ubuntu - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
Tk_GetJoinStyle, Tk_NameOfJoinStyle - translate between strings and join stylesSYNOPSIS
#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, roundContenus ©2006-2024 Benjamin Poulain
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