drawLine method

void drawLine(
  1. double? lastPrice,
  2. double? curPrice,
  3. Canvas canvas,
  4. double lastX,
  5. double curX,
  6. Color color,
)

Implementation

void drawLine(double? lastPrice, double? curPrice, Canvas canvas, double lastX, double curX, Color color) {
  if (lastPrice == null || curPrice == null) return;

  final lastY = getY(lastPrice);
  final curY = getY(curPrice);
  canvas.drawLine(Offset(lastX, lastY), Offset(curX, curY), chartPaint..color = color);
}