SetSymbol
void SetSymbol(BShape* symbolShape);
fSkipBack->SetSymbol(_CreateSkipBackwardsShape(symbolHeight));
fSkipForward->SetSymbol(_CreateSkipForwardShape(symbolHeight));
fRewind->SetSymbol(_CreateRewindShape(symbolHeight));
fForward->SetSymbol(_CreateForwardShape(symbolHeight));
fStop->SetSymbol(_CreateStopShape(symbolHeight));
fMute->SetSymbol(_CreateSpeakerShape(floorf(symbolHeight * 0.9)));