getClip method

@override Path getClip(Size size)

Returns a description of the clip given that the render object being clipped is of the given size.

Implementation

@override
getClip(Size size) {
  Path path = Path();
  sideWidth = sidewidth(size);
  waveVertRadius = waveVertRadiusF(size);

  waveCenterY = size.height * verReveal;
  waveHorRadius = slideDirection == SlideDirection.leftToRight
      ? waveHorRadiusFBack(size)
      : waveHorRadiusF(size);

  var maskWidth = size.width - sideWidth;
  path.moveTo(maskWidth - sideWidth, 0);
  path.lineTo(0, 0);
  path.lineTo(0, size.height);
  path.lineTo(maskWidth, size.height);
  double curveStartY = waveCenterY + waveVertRadius;

  path.lineTo(maskWidth, curveStartY);

  path.cubicTo(
    maskWidth,
    curveStartY - waveVertRadius * 0.1346194756,
    maskWidth - waveHorRadius * 0.05341339583,
    curveStartY - waveVertRadius * 0.2412779634,
    maskWidth - waveHorRadius * 0.1561501458,
    curveStartY - waveVertRadius * 0.3322374268,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.2361659167,
    curveStartY - waveVertRadius * 0.4030805244,
    maskWidth - waveHorRadius * 0.3305285625,
    curveStartY - waveVertRadius * 0.4561193293,
    maskWidth - waveHorRadius * 0.5012484792,
    curveStartY - waveVertRadius * 0.5350576951,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.515878125,
    curveStartY - waveVertRadius * 0.5418222317,
    maskWidth - waveHorRadius * 0.5664134792,
    curveStartY - waveVertRadius * 0.5650349878,
    maskWidth - waveHorRadius * 0.574934875,
    curveStartY - waveVertRadius * 0.5689655122,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.7283715208,
    curveStartY - waveVertRadius * 0.6397387195,
    maskWidth - waveHorRadius * 0.8086618958,
    curveStartY - waveVertRadius * 0.6833456585,
    maskWidth - waveHorRadius * 0.8774032292,
    curveStartY - waveVertRadius * 0.7399037439,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.9653464583,
    curveStartY - waveVertRadius * 0.8122605122,
    maskWidth - waveHorRadius,
    curveStartY - waveVertRadius * 0.8936183659,
    maskWidth - waveHorRadius,
    curveStartY - waveVertRadius,
  );

  path.cubicTo(
    maskWidth - waveHorRadius,
    curveStartY - waveVertRadius * 1.100142878,
    maskWidth - waveHorRadius * 0.9595746667,
    curveStartY - waveVertRadius * 1.1887991951,
    maskWidth - waveHorRadius * 0.8608411667,
    curveStartY - waveVertRadius * 1.270484439,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.7852123333,
    curveStartY - waveVertRadius * 1.3330544756,
    maskWidth - waveHorRadius * 0.703382125,
    curveStartY - waveVertRadius * 1.3795848049,
    maskWidth - waveHorRadius * 0.5291125625,
    curveStartY - waveVertRadius * 1.4665102805,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.5241858333,
    curveStartY - waveVertRadius * 1.4689677195,
    maskWidth - waveHorRadius * 0.505739125,
    curveStartY - waveVertRadius * 1.4781625854,
    maskWidth - waveHorRadius * 0.5015305417,
    curveStartY - waveVertRadius * 1.4802616098,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.3187486042,
    curveStartY - waveVertRadius * 1.5714239024,
    maskWidth - waveHorRadius * 0.2332057083,
    curveStartY - waveVertRadius * 1.6204116463,
    maskWidth - waveHorRadius * 0.1541165417,
    curveStartY - waveVertRadius * 1.687403,
  );

  path.cubicTo(
    maskWidth - waveHorRadius * 0.0509933125,
    curveStartY - waveVertRadius * 1.774752061,
    maskWidth,
    curveStartY - waveVertRadius * 1.8709256829,
    maskWidth,
    curveStartY - waveVertRadius * 2,
  );

  path.lineTo(maskWidth, 0);
  path.close();

  return path;
}