/// <summary>
/// 它创建一个新的SVG文本元素。
/// </summary>
public SVGText AddText(SVGUnit parent, ref SVGUnit last)
{
SVGText txt = new SVGText(this);
AddElement(parent, txt, ref last);
return(txt);
}
public bool SetStyleFromSvg(SVGText svg)
{
try
{
float x = ParseSize(svg.X, Dpi.X);
float y = ParseSize(svg.Y, Dpi.Y);
float w = ParseSize(svg.Width, Dpi.X);
float h = ParseSize(svg.Height, Dpi.Y);
Text = svg.Value;
//font
Stroke = svg.Fill;
string family = svg.FontFamily;
float size = ParseSize(svg.FontSize, Dpi.X);
int fs = 0;
if (svg.FontWeight.IndexOf("bold") >= 0)
{
fs = 1;
}
if (svg.FontStyle.IndexOf("italic") >= 0)
{
fs = fs | 2;
}
Font = new Font(family, size, (FontStyle)fs);
// y -= font.Size;
y -= Font.Height;
RectangleF = new RectangleF(x, y, w, h);
if (svg.TextAnchor.Length > 0)
{
switch (svg.TextAnchor)
{
case "start":
TextAnchor.Alignment = StringAlignment.Near;
break;
case "end":
TextAnchor.Alignment = StringAlignment.Far;
RectangleF = new RectangleF(x - w, y, w, h);
break;
case "middle":
TextAnchor.Alignment = StringAlignment.Center;
RectangleF = new RectangleF(x - w / 2, y, w, h);
break;
}
}
return(true);
}
catch
{
SVGErr.Log("DrawText", "SetStyleFromSvg", "SetStyleFromSvg", SVGErr._LogPriority.Info);
return(false);
}
}
public static DrawTextObject Create(SVGText svg)
{
if (string.IsNullOrEmpty(svg.Value))
{
return(null);
}
try
{
var dobj = new DrawTextObject(ParseSize(svg.X, Dpi.X),
ParseSize(svg.Y, Dpi.Y))
{
Text = svg.Value
};
dobj.SetStyleFromSvg(svg);
return(dobj);
}
catch (Exception ex)
{
SVGErr.Log("DrawText", "DrawText", ex.ToString(), SVGErr._LogPriority.Info);
return(null);
}
}
public void CreateSVGDependencyGraph(DependencyGraph graph)
{
SVG svg = new SVG(this.Document, SVGNameSpace, "1.1");
this.BodyElement.AppendChild((svg as ISVGElement).Element);
SVGDefinitions definitions = new SVGDefinitions(svg);
System.Collections.Generic.Dictionary <DependencyNode, SVGGroup> nodeToSVGGroup = new System.Collections.Generic.Dictionary <DependencyNode, SVGGroup>();
int rankCount = graph.RankCount;
int numVerticalSlots = 2 * rankCount + 1;
float verticalStride = 100 / numVerticalSlots;
int y = (int)verticalStride;;
for (int i = rankCount - 1; i >= 0; --i)
{
DependencyNodeCollection rank = graph[i];
int nodeCount = rank.Count;
int numHorizontalSlots = 2 * nodeCount + 1;
float horizontalStride = 100 / numHorizontalSlots;
int x = (int)horizontalStride;
System.Text.StringBuilder rankIdName = new System.Text.StringBuilder();
rankIdName.AppendFormat("Rank{0}", rank.Rank);
SVGGroup rankGroup = new SVGGroup(svg, rankIdName.ToString());
SVGAttributes.Fill(rankGroup, "red");
SVGText rankText = new SVGText(rankGroup, rankIdName.ToString(), 0, y, 100, (int)verticalStride, "%");
SVGAttributes.Fill(rankText, "black");
foreach (DependencyNode node in rank)
{
SVGGroup nodeGroup = new SVGGroup(rankGroup, node.UniqueModuleName);
SVGRect nodeRect = new SVGRect(nodeGroup, x, y, (int)horizontalStride, (int)verticalStride, "%");
SVGText nodeText = new SVGText(nodeGroup, node.UniqueModuleName, x, y + (int)verticalStride / 2, (int)horizontalStride, (int)verticalStride, "%");
SVGAttributes.Fill(nodeText, "black");
nodeToSVGGroup.Add(node, nodeGroup);
x += (int)(2 * horizontalStride);
}
y += (int)(verticalStride * 2);
}
SVGArrow arrow = new SVGArrow(svg, 0, 0, 100, 100, "");
SVGAttributes.Stroke(arrow, "black");
SVGAttributes.StrokeWidth(arrow, 5);
#if false
System.Xml.XmlElement circle = this.Document.CreateElement("circle");
System.Xml.XmlAttribute cx = this.Document.CreateAttribute("cx");
cx.Value = "100";
System.Xml.XmlAttribute cy = this.Document.CreateAttribute("cy");
cy.Value = "50";
System.Xml.XmlAttribute r = this.Document.CreateAttribute("r");
r.Value = "40";
circle.Attributes.Append(cx);
circle.Attributes.Append(cy);
circle.Attributes.Append(r);
svgElement.AppendChild(circle);
#endif
}