public void Restore()
{
_transform = states.Pop();
_currClipPath = clipPaths.Pop();
currentPath = new SVGPathObject();
currentFigure = new SVGFigure();
}
public void Close()
{
if (currentFigure.PointCount > 0)
{
currentFigure.Data += "Z ";
currentPath.Figures.Add(currentFigure);
currentFigure = new SVGFigure();
}
}
public void MoveTo(double x, double y)
{
if (currentFigure.PointCount > 0)
{
currentPath.Figures.Add(currentFigure);
}
currentFigure = new SVGFigure();
currentFigure.CurrentPoint = new Point(x, y);
currentFigure.StartPoint = new Point(x, y);
currentFigure.Data += "M " + x.ToString(System.Globalization.CultureInfo.InvariantCulture) + " " + y.ToString(System.Globalization.CultureInfo.InvariantCulture) + " ";
currentFigure.PointCount = 1;
}
public SVGContext(double width, double height, bool textToPaths, Dictionary <string, string> linkDestinations)
{
this.linkDestinations = linkDestinations;
this.Width = width;
this.Height = height;
currentPath = new SVGPathObject();
currentFigure = new SVGFigure();
StrokeStyle = Colour.FromRgba(0, 0, 0, 0);
FillStyle = Colour.FromRgb(0, 0, 0);
LineWidth = 1;
LineCap = LineCaps.Butt;
LineJoin = LineJoins.Miter;
_lineDash = new LineDash(0, 0, 0);
Font = new Font(new FontFamily(FontFamily.StandardFontFamilies.Helvetica), 12);
TextBaseline = TextBaselines.Top;
_transform = new double[3, 3];
_transform[0, 0] = 1;
_transform[1, 1] = 1;
_transform[2, 2] = 1;
states = new Stack <double[, ]>();
clipPaths = new Stack <string>();
clipPaths.Push(null);
_currClipPath = null;
UsedFontFamilies = new Dictionary <string, FontFamily>();
UsedChars = new Dictionary <string, HashSet <char> >();
Document = new XmlDocument();
Document.InsertBefore(Document.CreateXmlDeclaration("1.0", "UTF-8", null), Document.DocumentElement);
currentElement = Document.CreateElement(null, "svg", SVGNamespace);
currentElement.SetAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
currentElement.SetAttribute("viewBox", "0 0 " + width.ToString(System.Globalization.CultureInfo.InvariantCulture) + " " + height.ToString(System.Globalization.CultureInfo.InvariantCulture));
currentElement.SetAttribute("version", "1.1");
Document.AppendChild(currentElement);
this.TextToPaths = textToPaths;
}
public void Fill()
{
if (currentFigure.PointCount > 0)
{
currentPath.Figures.Add(currentFigure);
}
XmlElement currElement = currentElement;
if (!string.IsNullOrEmpty(_currClipPath))
{
currentElement = Document.CreateElement("g", SVGNamespace);
currentElement.SetAttribute("clip-path", _currClipPath);
currElement.AppendChild(currentElement);
}
XmlElement path = Document.CreateElement("path", SVGNamespace);
path.SetAttribute("d", currentPath.Figures.Aggregate("", (a, b) => a + b.Data));
path.SetAttribute("stroke", "none");
path.SetAttribute("fill", FillStyle.ToCSSString(false));
path.SetAttribute("fill-opacity", FillStyle.A.ToString(System.Globalization.CultureInfo.InvariantCulture));
path.SetAttribute("transform", "matrix(" + _transform[0, 0].ToString(System.Globalization.CultureInfo.InvariantCulture) + "," + _transform[1, 0].ToString(System.Globalization.CultureInfo.InvariantCulture) +
"," + _transform[0, 1].ToString(System.Globalization.CultureInfo.InvariantCulture) + "," + _transform[1, 1].ToString(System.Globalization.CultureInfo.InvariantCulture) +
"," + _transform[0, 2].ToString(System.Globalization.CultureInfo.InvariantCulture) + "," + _transform[1, 2].ToString(System.Globalization.CultureInfo.InvariantCulture) + ")");
if (!string.IsNullOrEmpty(Tag))
{
path.SetAttribute("id", Tag);
}
if (!string.IsNullOrEmpty(this.Tag) && this.linkDestinations.TryGetValue(this.Tag, out string destination) && !string.IsNullOrEmpty(destination))
{
XmlElement aElement = Document.CreateElement("a", SVGNamespace);
aElement.SetAttribute("href", destination);
currentElement.AppendChild(aElement);
currentElement = aElement;
}
currentElement.AppendChild(path);
currentElement = currElement;
currentPath = new SVGPathObject();
currentFigure = new SVGFigure();
}
public void Scale(double scaleX, double scaleY)
{
_transform = MatrixUtils.Scale(_transform, scaleX, scaleY);
currentPath = new SVGPathObject();
currentFigure = new SVGFigure();
}
public void Rotate(double angle)
{
_transform = MatrixUtils.Rotate(_transform, angle);
currentPath = new SVGPathObject(); currentPath = new SVGPathObject();
currentFigure = new SVGFigure();
}