transformPath method

dynamic transformPath(dynamic path, dynamic m)

Implementation

transformPath(path, m) {
  transfVec2(v2) {
    tempV3.set(v2.x, v2.y, 1).applyMatrix3(m);

    v2.set(tempV3.x, tempV3.y);
  }

  var isRotated = isTransformRotated(m);

  var subPaths = path.subPaths;

  for (var i = 0, n = subPaths.length; i < n; i++) {
    var subPath = subPaths[i];
    var curves = subPath.curves;

    for (var j = 0; j < curves.length; j++) {
      var curve = curves[j];

      if (curve is LineCurve) {
        transfVec2(curve.v1);
        transfVec2(curve.v2);
      } else if (curve.isCubicBezierCurve) {
        transfVec2(curve.v0);
        transfVec2(curve.v1);
        transfVec2(curve.v2);
        transfVec2(curve.v3);
      } else if (curve.isQuadraticBezierCurve) {
        transfVec2(curve.v0);
        transfVec2(curve.v1);
        transfVec2(curve.v2);
      } else if (curve.isEllipseCurve) {
        if (isRotated) {
          print(
              'SVGLoader: Elliptic arc or ellipse rotation or skewing is not implemented.');
        }

        tempV2.set(curve.aX, curve.aY);
        transfVec2(tempV2);
        curve.aX = tempV2.x;
        curve.aY = tempV2.y;

        curve.xRadius *= getTransformScaleX(m);
        curve.yRadius *= getTransformScaleY(m);
      }
    }
  }
}