public string ProcessCanvas()
{
string formatData = "";
Converter converter;
foreach (Shape shape in Canvas.Children)
{
switch (shape.DependencyObjectType.Name)
{
case "Line": { converter = new LineConverter(Format); break; }
case "Ellipse": { converter = new EllipseConverter(Format); break; }
case "Rectangle": { converter = new RectangleConverter(Format); break; }
case "Polygon": { converter = new PolygonConverter(Format); break; }
default: { converter = null; break; }
}
if (converter != null)
{
formatData += "shape : " + converter.ShapeToFormat(shape);
}
}
return(formatData);
}
public override void Load()
{
XDocument svgParsed = XDocument.Parse(File.ReadAllText(Path));
if (svgParsed.Root.Name != "svg")
{
return;
}
double ratioX = 1.0, ratioY = 1.0; //для масштабирования значений в фигурах
Converter converter;
//Descendants возвращает коллекцию всех тегов в файле
foreach (XElement e in svgParsed.Descendants())
{
switch (e.Name.ToString())
{
case "svg":
{
converter = null;
foreach (XAttribute k in e.Attributes())
{
if (k.Name == "height")
{
Canvas.Height = stringToDouble(k.Value); continue;
}
if (k.Name == "width")
{
Canvas.Width = stringToDouble(k.Value); continue;
}
if (k.Name == "viewBox")
{
var split = k.Value.Split(' ').Select(stringToDouble).ToArray();
ratioX = (Canvas.Width) / split[2];
ratioY = (Canvas.Height) / split[3];
continue;
}
//Console.WriteLine(k.Name + " = " + k.Value);
}
break;
}
case "line": { converter = new LineConverter(Format); break; }
case "ellipse": { converter = new EllipseConverter(Format); break; }
case "rect": { converter = new RectangleConverter(Format); break; }
case "polygon": { converter = new PolygonConverter(Format); break; }
default: { converter = null; break; }
}
if (converter != null)
{
ConvertTarget target = new ConvertTarget(e, new Point(ratioX, ratioY));
Canvas.Children.Add(converter.FormatToShape(target));
}
}
}
public override void Load()
{
string[] vgfData = File.ReadAllText(Path).Split(':');
Canvas.Width = Convert.ToDouble(vgfData[0].Split(' ')[0]);
Canvas.Height = Convert.ToDouble(vgfData[0].Split(' ')[1]);
if (vgfData[1].Length < 1)
{
return; //если в файле нет фигур
}
Converter converter;
foreach (var e in vgfData[1].Split(';'))
{
if (e.Length == 0)
{
continue; //фиктивный элемент массива после последней ; (результат split)
}
string[] shapeArray = e.Split(' ');
switch (shapeArray[0])
{
case "Line": { converter = new LineConverter(Format); break; }
case "Ellipse": { converter = new EllipseConverter(Format); break; }
case "Rectangle": { converter = new RectangleConverter(Format); break; }
case "Polygon": { converter = new PolygonConverter(Format); break; }
default: { converter = null; break; }
}
if (converter != null)
{
ConvertTarget target = new ConvertTarget(shapeArray);
Canvas.Children.Add(converter.FormatToShape(target));
}
}
}