private IList <IPathShape> AddMoveToShapes(IPathShape pathShape, String[] pathProperties)
{
IList <IPathShape> shapes = new List <IPathShape>();
int argumentCount = 2;
String[] shapeCoordinates = GetShapeCoordinates(pathShape, null, JavaUtil.ArraysCopyOfRange(pathProperties
, 1, 3));
zOperator = new ClosePath(pathShape.IsRelative());
zOperator.SetCoordinates(shapeCoordinates, currentPoint);
pathShape.SetCoordinates(shapeCoordinates, currentPoint);
currentPoint = pathShape.GetEndingPoint();
shapes.Add(pathShape);
IPathShape previousShape = pathShape;
if (pathProperties.Length > 3)
{
for (int index = 3; index < pathProperties.Length; index += argumentCount)
{
if (index + 2 > pathProperties.Length)
{
break;
}
pathShape = pathShape.IsRelative() ? SvgPathShapeFactory.CreatePathShape("l") : SvgPathShapeFactory.CreatePathShape
("L");
shapeCoordinates = GetShapeCoordinates(pathShape, previousShape, JavaUtil.ArraysCopyOfRange(pathProperties
, index, index + 2));
pathShape.SetCoordinates(shapeCoordinates, previousShape.GetEndingPoint());
shapes.Add(pathShape);
previousShape = pathShape;
}
}
return(shapes);
}
){kind=link}
/// <summary>
/// Processes an individual pathing operator and all of its arguments, converting into one or more
/// <see cref="iText.Svg.Renderers.Path.IPathShape"/>
/// objects.
/// </summary>
/// <param name="pathProperties">
/// The property operator and all arguments as a
/// <see>String[]</see>
/// </param>
/// <param name="previousShape">
/// The previous shape which can affect the positioning of the current shape. If no previous
/// shape exists
/// <see langword="null"/>
/// is passed.
/// </param>
/// <returns>
/// a
/// <see cref="System.Collections.IList{E}"/>
/// of each
/// <see cref="iText.Svg.Renderers.Path.IPathShape"/>
/// that should be drawn to represent the operator.
/// </returns>
private IList <IPathShape> ProcessPathOperator(String[] pathProperties, IPathShape previousShape)
{
IList <IPathShape> shapes = new List <IPathShape>();
if (pathProperties.Length == 0 || pathProperties[0].Equals(SEPARATOR))
{
return(shapes);
}
//Implements (absolute) command value only
//TODO implement relative values e. C(absolute), c(relative)
IPathShape pathShape = SvgPathShapeFactory.CreatePathShape(pathProperties[0]);
String[] shapeCoordinates = GetShapeCoordinates(pathShape, previousShape, pathProperties);
if (pathShape is ClosePath)
{
if (previousShape != null)
{
pathShape = zOperator;
}
else
{
throw new SvgProcessingException(SvgLogMessageConstant.INVALID_CLOSEPATH_OPERATOR_USE);
}
}
else
{
if (pathShape is MoveTo)
{
zOperator = new ClosePath(pathShape.IsRelative());
if (shapeCoordinates != null && shapeCoordinates.Length != MOVETOARGUMENTNR)
{
LOGGER.Warn(MessageFormatUtil.Format(SvgLogMessageConstant.PATH_WRONG_NUMBER_OF_ARGUMENTS, pathProperties[
0], shapeCoordinates.Length, MOVETOARGUMENTNR, MOVETOARGUMENTNR));
}
zOperator.SetCoordinates(shapeCoordinates, currentPoint);
}
}
if (pathShape != null)
{
if (shapeCoordinates != null)
{
// Cast will be removed when the method is introduced in the interface
pathShape.SetCoordinates(shapeCoordinates, currentPoint);
}
currentPoint = pathShape.GetEndingPoint();
// unsupported operators are ignored.
shapes.Add(pathShape);
}
return(shapes);
}