/// <summary>
/// text 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Text(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
foreach (XNode node in element.Nodes())
{
this.Read(node, this);
}
}
/// <summary>
/// 读取
/// </summary>
/// <param name="root">根</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
private static void Read(SVG root, SVGElement parent, XElement element)
{
string name = element.Name.LocalName.Trim();
SVGElement svg_element = null;
switch (name)
{
// container elements
case "clipPath": svg_element = new ClipPath(root, parent, element); break;
case "defs": svg_element = new Defs(root, parent, element); break;
case "linearGradient": svg_element = new LinearGradient(root, parent, element); break;
case "mask": svg_element = new Mask(root, parent, element); break;
case "radialGradient": svg_element = new RadialGradient(root, parent, element); break;
// drawing container elements
case "g": svg_element = new G(root, parent, element); break;
case "marker": svg_element = new Marker(root, parent, element); break;
case "use": svg_element = new Use(root, parent, element); break;
// drawing elements
case "circle": svg_element = new Circle(root, parent, element); break;
case "ellipse": svg_element = new Ellipse(root, parent, element); break;
case "line": svg_element = new Line(root, parent, element); break;
case "path": svg_element = new Path(root, parent, element); break;
case "polygon": svg_element = new Polygon(root, parent, element); break;
case "polyline": svg_element = new Polyline(root, parent, element); break;
case "rect": svg_element = new Rect(root, parent, element); break;
case "text": svg_element = new Text(root, parent, element); break;
// elements
case "stop": svg_element = new Stop(root, parent, element); break;
case "symbol": svg_element = new Symbol(root, parent, element); break;
// default
default: return;
}
parent.Children.Add(svg_element);
foreach (XElement item in element.Elements())
{
Read(root, svg_element, item);
}
}
// =============================================================================================
// ================== Other ==================
/// <summary>
/// 元素
/// </summary>
/// <param name="svg">根元素</param>
/// <param name="parent">父级元素</param>
/// <param name="element">当前元素</param>
public SVGElement(SVG svg, SVGElement parent, XElement element)
{
this.SVG = svg;
this.Parent = parent;
this.Name = element?.Name;
this.Element = element;
this.Init();
}
/// <summary>
/// 读取SVG文件
/// </summary>
/// <param name="stream">文件流</param>
/// <returns>SVG元素</returns>
public static SVG Read(System.IO.Stream stream)
{
XElement element = XElement.Load(stream);
SVG svg = new SVG(null, null, element);
foreach (XElement item in element.Elements())
{
Read(svg, svg, item);
}
svg.InitHref();
return(svg);
}
/// <summary>
/// 尝试从url中获取剪切路径
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="value">剪切路径值</param>
/// <returns>画刷</returns>
private Geometry Get_URL(SVG svg, string value)
{
value = value.Replace(" ", "").Replace("\t", "");
value = value.Replace("url(#", "").Replace(")", "");
if (!svg.Resource.ContainsKey(value))
{
return(null);
}
ISVGClipPath clip_path = svg.Resource[value] as ISVGClipPath;
if (clip_path == null || clip_path.Value == null)
{
return(null);
}
return(clip_path.Value.Clone());
}
/// <summary>
/// 尝试从url中获取画刷
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="value">颜色</param>
/// <returns>画刷</returns>
private DrawingBrush Get_URL(SVG svg, string value)
{
value = value.Replace(" ", "").Replace("\t", "");
value = value.Replace("url(#", "").Replace(")", "");
if (!svg.Resource.ContainsKey(value))
{
return(null);
}
ISVGMask mask = svg.Resource[value] as ISVGMask;
if (mask == null || mask.Value == null)
{
return(null);
}
return(mask.Value.Clone());
}
/// <summary>
/// 尝试从url中获取画刷
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="value">颜色</param>
/// <returns>画刷</returns>
private Brush Get_URL(SVG svg, string value)
{
value = value.Replace(" ", "").Replace("\t", "");
value = value.Replace("url(#", "").Replace(")", "");
if (!svg.Resource.ContainsKey(value))
{
return(null);
}
ISVGBrush brush = svg.Resource[value] as ISVGBrush;
if (brush == null || brush.Value == null)
{
return(null);
}
return(brush.Value.Clone());
}
/// <summary>
/// radialGradient 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public RadialGradient(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// defs 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Symbol(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// rect 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Rect(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// 元素
/// </summary>
/// <param name="svg">根元素</param>
/// <param name="parent">父级元素</param>
/// <param name="element">当前元素</param>
public SVGDrawingElement(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// defs 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Defs(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// polygon 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Polygon(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// clipPath 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public ClipPath(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// linearGradient 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public LinearGradient(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// line 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Line(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// ellipse 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Ellipse(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// SVG属性
/// </summary>
/// <param name="svg">根元素</param>
/// <param name="name">属性名</param>
/// <param name="value">属性值</param>
public SVGAttribute(SVG svg, XName name, string value)
{
this.SVG = svg;
this.Name = name;
this.Value = value;
}
/// <summary>
/// marsk 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Mask(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// circle 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Circle(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
// =============================================================================================
/// <summary>
/// svg 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public SVG(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
this.Width = this.GetAttributeValue <SVGDouble>("width").GetValue();
this.Height = this.GetAttributeValue <SVGDouble>("height").GetValue();
}
/// <summary>
/// path 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Tspan(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}
/// <summary>
/// stop 元素
/// </summary>
/// <param name="svg">SVG</param>
/// <param name="parent">父级</param>
/// <param name="element">当前元素</param>
public Stop(SVG svg, SVGElement parent, XElement element) : base(svg, parent, element)
{
}