internal void ArcFor(PDFUnit rx, PDFUnit ry, double ang, PathArcSize size, PathArcSweep sweep, PDFPoint enddelta)
{
PDFPoint end = ConvertDeltaToActual(enddelta);
PathArcData arc = new PathArcData()
{
RadiusX = rx, RadiusY = ry, XAxisRotation = ang, ArcSize = size, ArcSweep = sweep, EndPoint = end
};
CurrentPath.Add(arc);
IEnumerable <PathBezierCurveData> curves = PathDataHelper.GetBezierCurvesForArc(this.Cursor, arc);
foreach (PathBezierCurveData bez in curves)
{
IncludeInBounds(bez.EndPoint);
if (bez.HasStartHandle)
{
IncludeInBounds(bez.StartHandle);
}
if (bez.HasEndHandle)
{
IncludeInBounds(bez.EndHandle);
}
}
Cursor = end;
}
private void RenderPathOp(PathData data, PDFPoint location, ref PDFPoint cursor)
{
switch (data.Type)
{
case PathDataType.Move:
PathMoveData move = (PathMoveData)data;
cursor = move.MoveTo;
this.RenderMoveTo(move.MoveTo.X + location.X, move.MoveTo.Y + location.Y);
break;
case PathDataType.Line:
PathLineData line = (PathLineData)data;
cursor = line.LineTo;
this.RenderLineTo(line.LineTo.X + location.X, line.LineTo.Y + location.Y);
break;
case PathDataType.Rect:
PathRectData rect = (PathRectData)data;
cursor = rect.Rect.Location;
this.RenderRectangle(rect.Rect.X + location.X, rect.Rect.Y + location.Y, rect.Rect.Width, rect.Rect.Height);
break;
case PathDataType.SubPath:
PathSubPathData sub = (PathSubPathData)data;
this.RenderPathData(location, sub.InnerPath, ref cursor);
break;
case PathDataType.Bezier:
PathBezierCurveData bez = (PathBezierCurveData)data;
cursor = bez.EndPoint;
if (bez.HasStartHandle && bez.HasEndHandle)
{
this.RenderBezierCurveTo(bez.EndPoint.X + location.X, bez.EndPoint.Y + location.Y,
bez.StartHandle.X + location.X, bez.StartHandle.Y + location.Y,
bez.EndHandle.X + location.X, bez.EndHandle.Y + location.Y);
}
else if (bez.HasStartHandle)
{
this.RenderBezierCurveToWithStartHandleOnly(bez.EndPoint.X + location.X, bez.EndPoint.Y + location.Y,
bez.StartHandle.X + location.X, bez.StartHandle.Y + location.Y);
}
else if (bez.HasEndHandle)
{
this.RenderBezierCurveToWithEndHandleOnly(bez.EndPoint.X + location.X, bez.EndPoint.Y + location.Y,
bez.EndHandle.X + location.X, bez.EndHandle.Y + location.Y);
}
else
{
this.RenderLineTo(bez.Points[2].X, bez.Points[2].Y);
}
break;
case PathDataType.Arc:
IEnumerable <PathBezierCurveData> segments;
PathArcData arc = (PathArcData)data;
segments = PathDataHelper.GetBezierCurvesForArc(cursor, arc);
foreach (PathBezierCurveData segment in segments)
{
this.RenderBezierCurveTo(segment.EndPoint.X + location.X,
segment.EndPoint.Y + location.Y,
segment.StartHandle.X + location.X,
segment.StartHandle.Y + location.Y,
segment.EndHandle.X + location.X,
segment.EndHandle.Y + location.Y);
}
cursor = arc.EndPoint;
break;
case PathDataType.Quadratic:
IEnumerable <PathBezierCurveData> quadSegments;
PathQuadraticCurve quad = (PathQuadraticCurve)data;
quadSegments = PathDataHelper.GetBezierCurvesForQuadratic(cursor, quad);
foreach (PathBezierCurveData quadSeg in quadSegments)
{
this.RenderBezierCurveTo(quadSeg.EndPoint.X + location.X, quadSeg.EndPoint.Y + location.Y,
quadSeg.StartHandle.X + location.X, quadSeg.StartHandle.Y + location.Y,
quadSeg.EndHandle.X + location.X, quadSeg.EndHandle.Y + location.Y);
}
cursor = quad.EndPoint;
break;
case PathDataType.Close:
this.RenderClosePathOp();
cursor = PDFPoint.Empty;
break;
default:
throw new ArgumentOutOfRangeException("data.Type");
}
}