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Tk_GetJustifyFromObj(3) 	      Tk Library Procedures		  Tk_GetJustifyFromObj(3)


       Tk_GetJustifyFromObj, Tk_GetJustify, Tk_NameOfJustify - translate between strings and jus-
       tification styles

       #include <tk.h>

       Tk_GetJustifyFromObj(interp, objPtr, justifyPtr)

       Tk_GetJustify(interp, string, justifyPtr)

       const char *

       Tcl_Interp *interp (in)		    Interpreter to use for error reporting, or NULL.

       Tcl_Obj *objPtr (in/out) 	    String value contains name	of  justification  style,
					    one  of  "left",  "right", or "center".  The internal
					    rep will be modified to cache  corresponding  justify

       const char *string (in)		    Same  as  objPtr  except description of justification
					    style is passed as a string.

       int *justifyPtr (out)		    Pointer to location in which to store  justify  value
					    corresponding to objPtr or string.

       Tk_Justify justify (in)		    Justification style (one of the values listed below).

       Tk_GetJustifyFromObj  places  in  *justifyPtr  the justify value corresponding to objPtr's
       value.  This value will be one of the following:

	      Means that the text on each line should start at the left edge of the line;   as	a
	      result, the right edges of lines may be ragged.

	      Means  that  the	text on each line should end at the right edge of the line;  as a
	      result, the left edges of lines may be ragged.

	      Means that the text on each line should be centered;  as a result,  both	the  left
	      and right edges of lines may be ragged.

       Under  normal  circumstances  the  return value is TCL_OK and interp is unused.	If objPtr
       does not contain a valid justification style or an abbreviation of  one	of  these  names,
       TCL_ERROR  is  returned,  *justifyPtr  is  unmodified,  and  an error message is stored in
       interp's result if interp is not NULL.  Tk_GetJustifyFromObj caches information about  the
       return value in objPtr, which speeds up future calls to Tk_GetJustifyFromObj with the same

       Tk_GetJustify is identical to Tk_GetJustifyFromObj except that the description of the jus-
       tification  is  specified with a string instead of an object.  This prevents Tk_GetJustify
       from caching the return value, so Tk_GetJustify is less efficient  than	Tk_GetJustifyFro-

       Tk_NameOfJustify  is  the  logical  inverse  of	Tk_GetJustify.	 Given a justify value it
       returns a statically-allocated string corresponding to justify.	If justify is not a legal
       justify value, then "unknown justification style" is returned.

       center, fill, justification, string

Tk					       8.1			  Tk_GetJustifyFromObj(3)
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