/// <summary>
/// Read all figures from XML file with StreamReader
/// </summary>
/// <param name="path"> File path</param>
/// <returns></returns>
public static Box StreamReadFromXml(string path)
{
Figure figure = null;
Сoloring color = Сoloring.None;
bool isColored = false;
Box box = new Box();
StreamReader stream = new StreamReader(path);
XDocument xmlDocument = XDocument.Load(stream);
XElement xmlRoot = xmlDocument.Element("Figures");
foreach (XElement xmlElem in xmlRoot.Elements("Figure").ToList())
{
string shape = xmlElem.Attribute("shape").Value;
// Colored figure (third attribute - color)
if (xmlElem.Attributes().Count() == 2)
{
color = (Сoloring)int.Parse(xmlElem.Attribute("color").Value);
isColored = true;
}
// Get colorless figure
figure = LoadFigure(xmlElem, shape);
// Paint if it is a paper figure
if (isColored)
{
Painter.Colorize(figure, color);
isColored = false;
}
box.Add(figure);
}
stream.Close();
return(box);
}
/// <summary>
/// Read all figures from XML file with XmlReader
/// </summary>
/// <param name="path"> File path</param>
/// <returns> Figures collection</returns>
public static Box ReadFromXml(string path)
{
Figure figure = null;
Box box = new Box();
Сoloring color = Сoloring.None;
bool isColored = false;
using (XmlReader reader = XmlReader.Create(path))
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element && reader.Name == "Figure")
{
string shape = reader.GetAttribute("shape");
// Colored figure (third attribute - color)
if (reader.AttributeCount == 2)
{
color = (Сoloring)int.Parse(reader.GetAttribute("color"));
isColored = true;
}
// Get colorless figure
figure = LoadFigure(reader, shape);
// Paint if it is a paper figure
if (isColored)
{
Painter.Colorize(figure, color);
isColored = false;
}
box.Add(figure);
}
}
}
return(box);
}
/// <summary>
/// Initializes a new instance of the RectanglePaper class, cutting from another figure
/// </summary>
/// <param name="figure"> Figure for cutting</param>
/// <param name="width"> Width of a rectangle</param>
/// <param name="height"> Height of a rectangle</param>
public RectanglePaper(Figure figure, float width, float height) : base(figure, width, height)
{
if (!(figure is IPaperFigure))
{
throw new Exception("The figure cannot be created.");
}
color = ((IPaperFigure)figure).Сolor;
}
/// <summary>
/// Initializes a new instance of the TrianglePaper class, cutting from another figure
/// </summary>
/// <param name="figure"> Figure for cutting</param>
/// <param name="a"> First side of a triangle</param>
/// <param name="b"> Second side of a triangle</param>
/// <param name="c"> Third side of a triangle</param>
public TrianglePaper(Figure figure, float a, float b, float c) : base(figure, a, b, c)
{
if (!(figure is IPaperFigure))
{
throw new Exception("The figure cannot be created.");
}
color = ((IPaperFigure)figure).Сolor;
}
/// <summary>
/// Initializes a new instance of the CirclePaper class, cutting from another figure
/// </summary>
/// <param name="figure"> Figure for cutting</param>
/// <param name="radius"> Circle radius</param>
public CirclePaper(Figure figure, float radius) : base(figure, radius)
{
if (!(figure is IPaperFigure))
{
throw new Exception("The figure cannot be created.");
}
color = ((IPaperFigure)figure).Сolor;
}
/// <summary>
/// Paints a figure in a given color
/// </summary>
/// <param name="figure"> Figure to paint</param>
/// <param name="color"> Color</param>
public static void Colorize(Figure figure, Сoloring color)
{
if (figure is IPaperFigure)
{
IPaperFigure fig = (IPaperFigure)figure;
fig.Сolor = color;
}
else
{
throw new Exception("This figure cannot be painted.");
}
}
/// <summary>
/// Initializes a new instance of the RectanglePaper class
/// </summary>
/// <param name="width"> Width of a rectangle</param>
/// <param name="height"> Height of a rectangle</param>
public RectanglePaper(float width, float height) : base(width, height)
{
color = Сoloring.None;
}
/// <summary>
/// Initializes a new instance of the TrianglePaper class
/// </summary>
/// <param name="a"> First side of a triangle</param>
/// <param name="b"> Second side of a triangle</param>
/// <param name="c"> Third side of a triangle</param>
public TrianglePaper(float a, float b, float c) : base(a, b, c)
{
color = Сoloring.None;
}
/// <summary>
/// Initializes a new instance of the CirclePaper class
/// </summary>
/// <param name="radius"> Circle radius</param>
public CirclePaper(float radius) : base(radius)
{
color = Сoloring.None;
}
