Q
gluQuadricCallback
Chapter 15
364
gluQuadricCallback
gluQuadricCallback: define a callback for a quadrics object.
C Specification
void gluQuadricCallback(
GLUquadric* quad,
GLenum which,
GLvoid (*CallBackFunc)()
Parameters
quad Specifies the quadrics object (created with gluNewQuadric).
which Specifies the callback being defined. The only valid value is
GLU_ERROR.
CallBackFunc Specifies the function to be called.
Description
gluQuadricCallback is used to define a new callback to be used by a quadrics object. If
the specified callback is already defined, then it is replaced. If CallBackFunc is NULL,
then any existing callback is erased.
The one legal callback is GLU_ERROR:
GLU_ERROR
The 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.
See Also
gluErrorString,
gluNewQuadric