/// <summary>
/// takes in a parsed path and returns a list of points that can be used to draw the path
/// </summary>
/// <returns>The drawing points.</returns>
/// <param name="segments">Segments.</param>
public System.Numerics.Vector2[] GetDrawingPoints(List <SvgPathSegment> segments, float flatness = 3)
{
var path = new FauxGraphicsPath();
for (var j = 0; j < segments.Count; j++)
{
var segment = segments[j];
if (segment is SvgMoveToSegment)
{
path.StartFigure();
}
else if (segment is SvgCubicCurveSegment)
{
var cubicSegment = segment as SvgCubicCurveSegment;
path.AddBezier(ToDrawPoint(segment.Start), ToDrawPoint(cubicSegment.FirstCtrlPoint),
ToDrawPoint(cubicSegment.SecondCtrlPoint), ToDrawPoint(segment.End));
}
else if (segment is SvgClosePathSegment)
{
// important for custom line caps. Force the path the close with an explicit line, not just an implicit close of the figure.
if (path.PointCount > 0 && !path.PathPoints.GetValue(0)
.Equals(path.PathPoints.GetValue(path.PathPoints.Length - 1)))
{
var i = path.PathTypes.Length - 1;
while (i >= 0 && path.PathTypes[i] > 0)
{
i--;
}
if (i < 0)
{
i = 0;
}
path.AddLine(path.PathPoints.GetValue(path.PathPoints.Length - 1), path.PathPoints.GetValue(i));
}
path.CloseFigure();
}
else if (segment is SvgLineSegment)
{
path.AddLine(ToDrawPoint(segment.Start), ToDrawPoint(segment.End));
}
else if (segment is SvgQuadraticCurveSegment)
{
var quadSegment = segment as SvgQuadraticCurveSegment;
path.AddBezier(ToDrawPoint(segment.Start), ToDrawPoint(quadSegment.FirstCtrlPoint),
ToDrawPoint(quadSegment.SecondCtrlPoint), ToDrawPoint(segment.End));
}
else
{
Debug.Warn("unknown type in getDrawingPoints");
}
}
var matrix =
System.Activator.CreateInstance(System.Type.GetType("System.Drawing.Drawing2D.Matrix, System.Drawing"));
path.Flatten(matrix, flatness);
return(path.PathPointsAsVectors());
}
/// <summary>
/// takes in a parsed path and returns a list of points that can be used to draw the path
/// </summary>
/// <returns>The drawing points.</returns>
/// <param name="segments">Segments.</param>
public Vector2[] getDrawingPoints( List<SvgPathSegment> segments, float flatness = 3 )
{
var path = new FauxGraphicsPath();
for( var j = 0; j < segments.Count; j++ )
{
var segment = segments[j];
if( segment is SvgMoveToSegment )
{
path.StartFigure();
}
else if( segment is SvgCubicCurveSegment )
{
var cubicSegment = segment as SvgCubicCurveSegment;
path.AddBezier( toDrawPoint( segment.start ), toDrawPoint( cubicSegment.firstCtrlPoint ), toDrawPoint( cubicSegment.secondCtrlPoint ), toDrawPoint( segment.end ) );
}
else if( segment is SvgClosePathSegment )
{
// important for custom line caps. Force the path the close with an explicit line, not just an implicit close of the figure.
if( path.PointCount > 0 && !path.PathPoints.GetValue( 0 ).Equals( path.PathPoints.GetValue( path.PathPoints.Length - 1 ) ) )
{
var i = path.PathTypes.Length - 1;
while( i >= 0 && path.PathTypes[i] > 0 )
i--;
if( i < 0 )
i = 0;
path.AddLine( path.PathPoints.GetValue( path.PathPoints.Length - 1 ), path.PathPoints.GetValue( i ) );
}
path.CloseFigure();
}
else if( segment is SvgLineSegment )
{
path.AddLine( toDrawPoint( segment.start ), toDrawPoint( segment.end ) );
}
else if( segment is SvgQuadraticCurveSegment )
{
var quadSegment = segment as SvgQuadraticCurveSegment;
path.AddBezier( toDrawPoint( segment.start ), toDrawPoint( quadSegment.firstCtrlPoint ), toDrawPoint( quadSegment.secondCtrlPoint ), toDrawPoint( segment.end ) );
}
else
{
Debug.warn( "unknown type in getDrawingPoints" );
}
}
var matrix = System.Activator.CreateInstance( System.Type.GetType( "System.Drawing.Drawing2D.Matrix, System.Drawing" ) );
path.Flatten( matrix, flatness );
return path.pathPointsAsVectors();
}
