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gluQuadricCallback

The gluQuadricCallback function defines a callback for a quadric object.

void gluQuadricCallback(
  GLUquadricObj *qobj,  GLenum which,  void (* fn)());

Parameters

  • qobj
    The quadric object (created with gluNewQuadric).

  • which
    The callback being defined. The only valid value is GLU_ERROR.

    Value Meaning
    GLU_ERROR The gluQuadricCallback function is called when an error is encountered. Its single argument is of type GLenum, and it indicates the specific error that occurred. Character strings describing these errors can be retrieved with the gluErrorString call.
  • fn
    The function to be called.

Remarks

Use gluQuadricCallback to define a new callback to be used by a quadric object. If the specified callback is already defined, it is replaced. If fn is NULL, any existing callback is erased.

Requirements

**  Windows NT/2000:** Requires Windows NT 3.5 or later.
**  Windows 95/98:** Requires Windows 95 or later. Available as a redistributable for Windows 95.
**  Header:** Declared in Glu.h.
**  Library:** Use Glu32.lib.

See Also

gluErrorString, gluNewQuadric