initPaint method
void
initPaint()
Implementation
void initPaint() {
_mPaint = Paint()
..color = Color(0xFF666666)
..strokeWidth = strokeWidth
..strokeCap = StrokeCap.round
..style = PaintingStyle.stroke;
_expandPaint = Paint()
..color = Colors.white
..strokeWidth = strokeWidth
..strokeCap = StrokeCap.round
..style = PaintingStyle.stroke;
_mProgressPaint = Paint()
..color = Colors.white
..strokeWidth = strokeWidth
..strokeCap = StrokeCap.round
..style = PaintingStyle.stroke;
_mMaskPaint = Paint()
..color = Colors.black38
..strokeWidth = strokeWidth
..strokeCap = StrokeCap.round
..style = PaintingStyle.fill;
}