Tk_GetReliefFromObj manual page - Tk Library Procedures

## Tcl/Tk Documentation > Tk C API, version 8.6.18 > GetRelief

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  NAME
    Tk_GetReliefFromObj, Tk_GetRelief, Tk_NameOfRelief — translate between strings and relief values
  SYNOPSIS
    #include <tk.h>
    int
    Tk_GetReliefFromObj(interp, objPtr, reliefPtr)
    int
    Tk_GetRelief(interp, name, reliefPtr)
    const char *
    Tk_NameOfRelief(relief)
  ARGUMENTS
  DESCRIPTION
  KEYWORDS

### NAME

Tk_GetReliefFromObj, Tk_GetRelief, Tk_NameOfRelief — translate between strings and relief values

### SYNOPSIS

#include <tk.h>
int
Tk_GetReliefFromObj(interp, objPtr, reliefPtr)
int
Tk_GetRelief(interp, name, reliefPtr)
const char *
Tk_NameOfRelief(relief)

### ARGUMENTS

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

Tcl_Obj *objPtr (in/out)
  String value contains name of relief, one of “flat”, “groove”, “raised”, “ridge”, “solid”, or “sunken” (or any unique abbreviation thereof on input); the internal rep will be modified to cache corresponding relief value.

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

int *reliefPtr (out)
  Pointer to location in which to store relief value corresponding to objPtr or name.

int relief (in)
  Relief value (one of TK_RELIEF_FLAT, TK_RELIEF_RAISED, TK_RELIEF_SUNKEN, TK_RELIEF_GROOVE, TK_RELIEF_SOLID, or TK_RELIEF_RIDGE).

### DESCRIPTION

Tk_GetReliefFromObj places in *reliefPtr the relief value corresponding to the value of objPtr. This value will be one of TK_RELIEF_FLAT, TK_RELIEF_RAISED, TK_RELIEF_SUNKEN, TK_RELIEF_GROOVE, TK_RELIEF_SOLID, or TK_RELIEF_RIDGE. Under normal circumstances the return value is TCL_OK and interp is unused. If objPtr does not contain one of the valid relief names or an abbreviation of one of them, then TCL_ERROR is returned, *reliefPtr is unmodified, and an error message is stored in interp's result if interp is not NULL. Tk_GetReliefFromObj caches information about the return value in objPtr, which speeds up future calls to Tk_GetReliefFromObj with the same objPtr.

Tk_GetRelief is identical to Tk_GetReliefFromObj except that the description of the relief is specified with a string instead of an object. This prevents Tk_GetRelief from caching the return value, so Tk_GetRelief is less efficient than Tk_GetReliefFromObj.

Tk_NameOfRelief is the logical inverse of Tk_GetRelief. Given a relief value it returns the corresponding string (flat, raised, sunken, groove, solid, or ridge). If relief is not a legal relief value, then “unknown relief” is returned.

### KEYWORDS

name, relief, string
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