private void CurveTo(bool isRelative)
{
var point = NewPoint(NextValue, NextValue, isRelative, false);
var x = NextValue;
var y = NextValue;
var isQuad = char.IsLetter(_commandStack.Peek()[0]);
var point2 = NewPoint(x, y, isRelative, isQuad);
if (isQuad)
{
_path.QuadTo(point, point2);
}
else
{
var point3 = NewPoint(NextValue, NextValue, isRelative, true);
_path.CurveTo(point, point2, point3);
_lastCurveControlPoint = point2;
}
}
public PathF Rotate(float angle, PointF pivotPoint)
{
var path = new PathF();
var index = 0;
var arcIndex = 0;
var clockwiseIndex = 0;
foreach (var operation in _operations)
{
if (operation == PathOperation.MoveTo)
{
var point = GetRotatedPoint(index++, pivotPoint, angle);
path.MoveTo(point);
}
else if (operation == PathOperation.Line)
{
var point = GetRotatedPoint(index++, pivotPoint, angle);
path.LineTo(point.X, point.Y);
}
else if (operation == PathOperation.Quad)
{
var controlPoint = GetRotatedPoint(index++, pivotPoint, angle);
var point = GetRotatedPoint(index++, pivotPoint, angle);
path.QuadTo(controlPoint.X, controlPoint.Y, point.X, point.Y);
}
else if (operation == PathOperation.Cubic)
{
var controlPoint1 = GetRotatedPoint(index++, pivotPoint, angle);
var controlPoint2 = GetRotatedPoint(index++, pivotPoint, angle);
var point = GetRotatedPoint(index++, pivotPoint, angle);
path.CurveTo(controlPoint1.X, controlPoint1.Y, controlPoint2.X, controlPoint2.Y, point.X, point.Y);
}
else if (operation == PathOperation.Arc)
{
var topLeft = GetRotatedPoint(index++, pivotPoint, angle);
var bottomRight = GetRotatedPoint(index++, pivotPoint, angle);
var startAngle = _arcAngles[arcIndex++];
var endAngle = _arcAngles[arcIndex++];
var clockwise = _arcClockwise[clockwiseIndex++];
path.AddArc(topLeft, bottomRight, startAngle, endAngle, clockwise);
}
else if (operation == PathOperation.Close)
{
path.Close();
}
}
return(path);
}