drawPattern method

@override void drawPattern(Canvas canvas, Size size)

Draws the pattern once at origin.

Implementation

@override
void drawPattern(Canvas canvas, Size size) {
  final paint1 = Paint()
    ..color = foregroundColor
    ..style = PaintingStyle.fill;

  final paint2 = Paint()
    ..color = secondaryColor
    ..style = PaintingStyle.fill;

  // Top-left
  canvas.drawRect(
    Rect.fromLTWH(0, 0, squareSize, squareSize),
    paint1,
  );
  // Top-right
  canvas.drawRect(
    Rect.fromLTWH(squareSize, 0, squareSize, squareSize),
    paint2,
  );
  // Bottom-left
  canvas.drawRect(
    Rect.fromLTWH(0, squareSize, squareSize, squareSize),
    paint2,
  );
  // Bottom-right
  canvas.drawRect(
    Rect.fromLTWH(squareSize, squareSize, squareSize, squareSize),
    paint1,
  );
}