draw abstract method

void draw(
  1. Canvas canvas,
  2. Size size,
  3. double scaleX,
  4. double scrollX,
  5. double getX(
    1. double
    ),
  6. double getY(
    1. double
    ),
)

Implementation

void draw(Canvas canvas, Size size, double scaleX, double scrollX,
    double Function(double) getX, double Function(double) getY);