volumeThumbRect(forBounds:volumeSliderRect:value:)
Returns the drawing rectangle for the volume slider’s thumb image.
Declaration
func volumeThumbRect(forBounds bounds: CGRect, volumeSliderRect rect: CGRect, value: Float) -> CGRectParameters
- bounds:
The bounding rectangle of the thumb image.
- rect:
The drawing rectangle for the receiver’s track, as returned by the Volumesliderrect(forbounds:) method.
- value:
The current value of the volume slider.
Return Value
The computed drawing rectangle for the thumb image.
Discussion
The rectangle you return should reflect the size of your thumb image and its current position on the slider’s track.