internal static List <Shape> Parse(SVG svg, XmlNode node)
{
var vb = node.Attributes.GetNamedItem("viewBox");
if (vb != null)
{
var cord = vb.Value.Split(' ');
var cult = CultureInfo.InvariantCulture;
svg.ViewBox = new Rect(double.Parse(cord[0], cult), double.Parse(cord[1], cult), double.Parse(cord[2], cult), double.Parse(cord[3], cult));
}
svg.Size = new Size(XmlUtil.AttrValue(node, "width", 300), XmlUtil.AttrValue(node, "height", 150));
var lstElements = new List <Shape>();
if (node == null || (node.Name != SVGTags.sSvg && node.Name != SVGTags.sPattern))
{
throw new FormatException("Not a valide SVG node");
}
foreach (XmlNode childnode in node.ChildNodes)
{
Group.AddToList(svg, lstElements, childnode, null);
}
return(lstElements);
}
public Brush FillBrush(SVG svg, SVGRender svgRender, Shape shape, double elementOpacity, Rect bounds)
{
var paintServer = svg.PaintServers.GetServer(PaintServerKey);
if (paintServer != null)
{
if (paintServer is CurrentColorPaintServer)
{
var shapePaintServer = svg.PaintServers.GetServer(shape.PaintServerKey);
if (shapePaintServer != null)
{
return(shapePaintServer.GetBrush(this.Opacity * elementOpacity, svg, svgRender, bounds));
}
}
if (paintServer is InheritPaintServer)
{
var p = shape.RealParent ?? shape.Parent;
while (p != null)
{
if (p.Fill != null)
{
var checkPaintServer = svg.PaintServers.GetServer(p.Fill.PaintServerKey);
if (!(checkPaintServer is InheritPaintServer))
{
return(checkPaintServer.GetBrush(this.Opacity * elementOpacity, svg, svgRender, bounds));
}
}
p = p.RealParent ?? p.Parent;
}
return(null);
}
return(paintServer.GetBrush(this.Opacity * elementOpacity, svg, svgRender, bounds));
}
return(null);
}
public Brush StrokeBrush(SVG svg, SVGRender svgRender, Shape shape, double elementOpacity, Rect bounds, PaintServer.PaintServer parent)
{
if (this.Color != null)
{
if (this.Color is CurrentColorPaintServer)
{
return(shape.Color.GetBrush(this.Opacity * elementOpacity, svg, svgRender, bounds));
}
if (this.Color is InheritPaintServer)
{
var p = shape.RealParent ?? shape.Parent;
while (p != null)
{
if (p.Fill != null && !(p.Stroke.Color is InheritPaintServer))
{
return(p.Stroke.Color.GetBrush(this.Opacity * elementOpacity, svg, svgRender, bounds));
}
p = p.RealParent ?? p.Parent;
}
return(null);
}
return(this.Color.GetBrush(this.Opacity * elementOpacity, svg, svgRender, bounds));
}
return(null);
}
public static void ParseStyle(SVG svg, string style)
{
var svgStyles = svg.Styles;
var match = _regexStyle.Match(style);
while (match.Success)
{
var name = match.Groups[1].Value.Trim();
var value = match.Groups[2].Value.Trim();
foreach (var nm in name.Split(','))
{
if (!svgStyles.ContainsKey(nm))
{
svgStyles.Add(nm, new List <XmlUtil.StyleItem>());
}
foreach (ShapeUtil.Attribute styleitem in XmlUtil.SplitStyle(svg, value))
{
svgStyles[nm].Add(new XmlUtil.StyleItem(styleitem.Name, styleitem.Value));
}
}
match = match.NextMatch();
}
}
public Stroke(SVG svg)
{
this.Width = 1;
this.LineCap = eLineCap.butt;
this.LineJoin = eLineJoin.miter;
this.Opacity = 100;
}
public Brush FillBrush(SVG svg)
{
if (this.Color != null)
{
return(this.Color.GetBrush(this.Opacity, svg));
}
return(null);
}
public Stroke(SVG svg)
{
this.Color = new SolidColorPaintServer(svg.PaintServers, Colors.Black);
this.Width = 1;
this.LineCap = eLineCap.butt;
this.LineJoin = eLineJoin.miter;
this.Opacity = 100;
}
public Brush StrokeBrush(SVG svg, double elementOpacity)
{
if (this.Color != null)
{
return(this.Color.GetBrush(this.Opacity * elementOpacity, svg));
}
return(null);
}
public Stroke(SVG svg)
{
this.Color = new SolidColorPaintServer(svg.PaintServers, Colors.Black);
this.Width = 1;
this.LineCap = eLineCap.butt;
this.LineJoin = eLineJoin.miter;
this.Opacity = 100;
}
public static Element Parse(SVG svg, string text, TextShape owner)
{
int curpos = 0;
Element root = new Element(svg, owner, Element.eElementType.Tag, null);
root.Text = "<root>";
root.StartIndex = 0;
return(Parse(svg, text, ref curpos, null, root));
}
public static double ParseDouble(SVG svg, string svalue)
{
double value = 0d;
if (GetValueRespectingUnits(svalue, out value, 1))
{
return(value);
}
return(0.1);
}
public static double ParseDouble(SVG svg, string svalue)
{
string units = string.Empty;
double value = 0d;
if (SplitValueUnits(svalue, out value, out units))
{
return(value);
}
return(0.1);
}
TSpan.Element ParseTSpan(SVG svg, string tspanText)
{
try
{
return(TSpan.Parse(svg, tspanText, this));
}
catch
{
return(null);
}
}
public DrawingGroup LoadDrawing(Stream stream)
{
this.m_svg = new SVG(stream);
/*var aa = new MemoryStream();
var qq = XmlWriter.Create(aa, new XmlWriterSettings() { OmitXmlDeclaration = true, Indent = true });
XamlWriter.Save(this.CreateDrawing(this.m_svg), qq);
aa.Position = 0;
var bb = new StreamReader(aa);
var cc = bb.ReadToEnd();*/
return this.CreateDrawing(this.m_svg);
}
public DrawingGroup LoadDrawing(Stream stream)
{
this.m_svg = new SVG(stream);
/*var aa = new MemoryStream();
* var qq = XmlWriter.Create(aa, new XmlWriterSettings() { OmitXmlDeclaration = true, Indent = true });
* XamlWriter.Save(this.CreateDrawing(this.m_svg), qq);
* aa.Position = 0;
* var bb = new StreamReader(aa);
* var cc = bb.ReadToEnd();*/
return(this.CreateDrawing(this.m_svg));
}
static Element Parse(SVG svg, string text, ref int curPos, Element parent, Element curTag)
{
Element tag = curTag;
if (tag == null)
{
tag = NextTag(svg, parent, text, ref curPos);
}
while (curPos < text.Length)
{
int prevPos = curPos;
Element next = NextTag(svg, tag, text, ref curPos);
if (next == null && curPos < text.Length)
{
// remaining pure text
string s = text.Substring(curPos, text.Length - curPos);
tag.Children.Add(new Element(svg, tag, s));
return(tag);
}
if (next != null && next.StartIndex - prevPos > 0)
{
// pure text between tspan elements
int diff = next.StartIndex - prevPos;
string s = text.Substring(prevPos, diff);
tag.Children.Add(new Element(svg, tag, s));
}
if (next.Text.StartsWith("<tspan"))
{
// new nested element
next = Parse(svg, text, ref curPos, tag, next);
tag.Children.Add(next);
continue;
}
if (next.Text.StartsWith("</tspan"))
{
// end of cur element
tag.End = next;
return(tag);
}
if (next.Text.StartsWith("<textPath"))
{
continue;
}
if (next.Text.StartsWith("</textPath"))
{
continue;
}
throw new Exception(string.Format("unexpected tag '{0}'", next.Text));
}
return(tag);
}
public TextStyle(SVG svg, Shape owner)
{
this.FontFamily = "Arial Unicode MS, Verdana";
this.FontSize = 12;
this.Fontweight = FontWeights.Normal;
this.Fontstyle = FontStyles.Normal;
this.TextAlignment = System.Windows.TextAlignment.Left;
this.WordSpacing = 0;
this.LetterSpacing = 0;
this.BaseLineShift = string.Empty;
if (owner.Parent != null)
{
this.Copy(owner.Parent.TextStyle);
}
}
static Element NextTag(SVG svg, Element parent, string text, ref int curPos)
{
int start = text.IndexOf("<", curPos);
if (start < 0)
{
return(null);
}
int end = text.IndexOf(">", start + 1);
if (end < 0)
{
throw new Exception("Start '<' with no end '>'");
}
end++;
string tagtext = text.Substring(start, end - start);
if (tagtext.IndexOf("<", 1) > 0)
{
throw new Exception(string.Format("Start '<' within tag 'tag'"));
}
List <ShapeUtil.Attribute> attrs = new List <ShapeUtil.Attribute>();
int attrstart = tagtext.IndexOf("tspan");
if (attrstart > 0)
{
attrstart += 5;
while (attrstart < tagtext.Length - 1)
{
attrs.Add(ShapeUtil.ReadNextAttr(tagtext, ref attrstart));
}
}
Element tag = new Element(svg, parent, Element.eElementType.Tag, attrs);
tag.StartIndex = start;
tag.Text = text.Substring(start, end - start);
if (tag.Text.IndexOf("<", 1) > 0)
{
throw new Exception(string.Format("Start '<' within tag 'tag'"));
}
curPos = end;
return(tag);
}
public TextShape(SVG svg, XmlNode node, Shape parent)
: base(svg, node, parent)
{
this.X = XmlUtil.AttrValue(node, "x", 0);
this.Y = XmlUtil.AttrValue(node, "y", 0);
this.Text = node.InnerText;
this.GetTextStyle(svg);
// check for tSpan tag
if (node.InnerXml.IndexOf("<") >= 0)
this.TextSpan = this.ParseTSpan(svg, node.InnerXml);
if (DefaultFill == null)
{
DefaultFill = new Fill(svg);
DefaultFill.Color = svg.PaintServers.Parse("black");
}
if (DefaultStroke == null)
{
DefaultStroke = new Stroke(svg);
DefaultStroke.Width = 0.1;
}
}
public static List <ShapeUtil.Attribute> SplitStyle(SVG svg, string fullstyle)
{
List <ShapeUtil.Attribute> list = new List <ShapeUtil.Attribute>();
if (fullstyle.Length == 0)
{
return(list);
}
// style contains attributes in format of "attrname:value;attrname:value"
string[] attrs = fullstyle.Split(';');
foreach (string attr in attrs)
{
string[] s = attr.Split(':');
if (s.Length != 2)
{
continue;
}
list.Add(new ShapeUtil.Attribute(s[0].Trim(), s[1].Trim()));
}
return(list);
}
public TextShape(SVG svg, XmlNode node, Shape parent) : base(svg, node, parent)
{
this.X = XmlUtil.AttrValue(node, "x", 0);
this.Y = XmlUtil.AttrValue(node, "y", 0);
this.Text = node.InnerText;
this.GetTextStyle(svg);
// check for tSpan tag
if (node.InnerXml.IndexOf("<") >= 0)
{
this.TextSpan = this.ParseTSpan(svg, node.InnerXml);
}
//if (DefaultFill == null)
//{
// DefaultFill = new Fill(svg);
// DefaultFill.PaintServerKey = svg.PaintServers.Parse("black");
//}
if (DefaultStroke == null)
{
DefaultStroke = new Stroke(svg);
DefaultStroke.Width = 0.1;
}
}
public Element(SVG svg, Shape parent, eElementType eType, List <ShapeUtil.Attribute> attrs) : base(svg, attrs, parent)
{
this.ElementType = eType;
this.Text = string.Empty;
this.Children = new List <Element>();
}
public Element(SVG svg, Shape parent, string text) : base(svg, (XmlNode)null, parent)
{
this.ElementType = eElementType.Text;
this.Text = text;
}
public Fill(SVG svg)
{
this.FillRule = eFillRule.nonzero;
this.Opacity = 100;
}
public DrawingGroup CreateDrawing(SVG svg)
{
return this.LoadGroup(svg.Elements, svg.ViewBox);
}
// http://apike.ca/prog_svg_paths.html
public PathShape(SVG svg, XmlNode node) : base(svg, node)
{
if (DefaultFill == null)
{
DefaultFill = new Fill(svg);
DefaultFill.Color = svg.PaintServers.Parse("black");
}
this.ClosePath = false;
string path = XmlUtil.AttrValue(node, "d", string.Empty);
CommandSplitter cmd = new CommandSplitter(path);
string commandstring;
char command;
List <PathElement> elements = this.m_elements;
while (true)
{
commandstring = cmd.ReadNext();
if (commandstring.Length == 0)
{
break;
}
ShapeUtil.StringSplitter split = cmd.SplitCommand(commandstring, out command);
if (command == 'm' || command == 'M')
{
elements.Add(new MoveTo(command, split));
if (split.More)
{
elements.Add(new LineTo(command, split));
}
continue;
}
if (command == 'l' || command == 'L' || command == 'H' || command == 'h' || command == 'V' || command == 'v')
{
elements.Add(new LineTo(command, split));
continue;
}
if (command == 'c' || command == 'C')
{
while (split.More)
{
elements.Add(new CurveTo(command, split));
}
continue;
}
if (command == 's' || command == 'S')
{
while (split.More)
{
CurveTo lastshape = elements[elements.Count - 1] as CurveTo;
System.Diagnostics.Debug.Assert(lastshape != null);
elements.Add(new CurveTo(command, split, lastshape.CtrlPoint2));
}
continue;
}
if (command == 'a' || command == 'A')
{
elements.Add(new EllipticalArcTo(command, split));
while (split.More)
{
elements.Add(new EllipticalArcTo(command, split));
}
continue;
}
if (command == 'z' || command == 'Z')
{
this.ClosePath = true;
continue;
}
// extended format moveto or lineto can contain multiple points which should be translated into lineto
PathElement lastitem = elements[elements.Count - 1];
if (lastitem is MoveTo || lastitem is LineTo || lastitem is CurveTo)
{
//Point p = Point.Parse(s);
//elements.Add(new LineTo(p));
continue;
}
System.Diagnostics.Debug.Assert(false, string.Format("type '{0}' not supported", commandstring));
}
}
static Element NextTag(SVG svg, Element parent, string text, ref int curPos)
{
int start = text.IndexOf("<", curPos);
if (start < 0)
return null;
int end = text.IndexOf(">", start+1);
if (end < 0)
throw new Exception("Start '<' with no end '>'");
end++;
string tagtext = text.Substring(start, end - start);
if (tagtext.IndexOf("<", 1) > 0)
throw new Exception(string.Format("Start '<' within tag 'tag'"));
List<ShapeUtil.Attribute> attrs = new List<ShapeUtil.Attribute>();
int attrstart = tagtext.IndexOf("tspan");
if (attrstart > 0)
{
attrstart += 5;
while (attrstart < tagtext.Length-1)
attrs.Add(ShapeUtil.ReadNextAttr(tagtext, ref attrstart));
}
Element tag = new Element(svg, parent, Element.eElementType.Tag, attrs);
tag.StartIndex = start;
tag.Text = text.Substring(start, end - start);
if (tag.Text.IndexOf("<", 1) > 0)
throw new Exception(string.Format("Start '<' within tag 'tag'"));
curPos = end;
return tag;
}
// http://apike.ca/prog_svg_paths.html
public PathShape(SVG svg, XmlNode node)
: base(svg, node)
{
if (DefaultFill == null)
{
DefaultFill = new Fill(svg);
DefaultFill.Color = svg.PaintServers.Parse("black");
}
this.ClosePath = false;
string path = XmlUtil.AttrValue(node, "d", string.Empty);
CommandSplitter cmd = new CommandSplitter(path);
string commandstring;
char command;
List<PathElement> elements = this.m_elements;
while (true)
{
commandstring = cmd.ReadNext();
if (commandstring.Length == 0)
break;
ShapeUtil.StringSplitter split = cmd.SplitCommand(commandstring, out command);
if (command == 'm' || command == 'M')
{
elements.Add(new MoveTo(command, split));
if (split.More)
elements.Add(new LineTo(command, split));
continue;
}
if (command == 'l' || command == 'L' || command == 'H' || command == 'h' || command == 'V' || command == 'v')
{
elements.Add(new LineTo(command, split));
continue;
}
if (command == 'c' || command == 'C')
{
while (split.More)
elements.Add(new CurveTo(command, split));
continue;
}
if (command == 's' || command == 'S')
{
while (split.More)
{
CurveTo lastshape = elements[elements.Count - 1] as CurveTo;
System.Diagnostics.Debug.Assert(lastshape != null);
elements.Add(new CurveTo(command, split, lastshape.CtrlPoint2));
}
continue;
}
if (command == 'a' || command == 'A')
{
elements.Add(new EllipticalArcTo(command, split));
while (split.More)
elements.Add(new EllipticalArcTo(command, split));
continue;
}
if (command == 'z' || command == 'Z')
{
this.ClosePath = true;
continue;
}
// extended format moveto or lineto can contain multiple points which should be translated into lineto
PathElement lastitem = elements[elements.Count-1];
if (lastitem is MoveTo || lastitem is LineTo || lastitem is CurveTo)
{
//Point p = Point.Parse(s);
//elements.Add(new LineTo(p));
continue;
}
System.Diagnostics.Debug.Assert(false, string.Format("type '{0}' not supported", commandstring));
}
}
public Fill(SVG svg)
{
this.FillRule = eFillRule.nonzero;
this.Color = new SolidColorPaintServer(svg.PaintServers, Colors.LightSeaGreen);
this.Opacity = 100;
}
public Brush StrokeBrush(SVG svg)
{
if (this.Color != null)
return this.Color.GetBrush(this.Opacity, svg);
return null;
}
// http://apike.ca/prog_svg_paths.html
public PathShape(SVG svg, XmlNode node, Shape parent) : base(svg, node, parent)
{
if (DefaultFill == null)
{
DefaultFill = new Fill(svg);
DefaultFill.PaintServerKey = svg.PaintServers.Parse("black");
}
this.ClosePath = false;
string path = XmlUtil.AttrValue(node, "d", string.Empty);
this.Data = path;
/*
* CommandSplitter cmd = new CommandSplitter(path);
* string commandstring;
* char command;
* List<PathElement> elements = this.m_elements;
* while (true)
* {
* commandstring = cmd.ReadNext();
* if (commandstring.Length == 0)
* break;
* ShapeUtil.StringSplitter split = cmd.SplitCommand(commandstring, out command);
* if (command == 'm' || command == 'M')
* {
* elements.Add(new MoveTo(command, split));
* if (split.More)
* elements.Add(new LineTo(command, split));
* continue;
* }
* if (command == 'l' || command == 'L' || command == 'H' || command == 'h' || command == 'V' || command == 'v')
* {
* elements.Add(new LineTo(command, split));
* continue;
* }
* if (command == 'c' || command == 'C')
* {
* while (split.More)
* elements.Add(new CurveTo(command, split));
* continue;
* }
* if (command == 'q' || command == 'Q')
* {
* while (split.More)
* elements.Add(new QuadraticCurveTo(command, split));
* continue;
* }
* if (command == 's' || command == 'S')
* {
* while (split.More)
* {
* CurveTo lastshape = elements[elements.Count - 1] as CurveTo;
* System.Diagnostics.Debug.Assert(lastshape != null);
* elements.Add(new CurveTo(command, split, lastshape.CtrlPoint2));
* }
* continue;
* }
* if (command == 'a' || command == 'A')
* {
* elements.Add(new EllipticalArcTo(command, split));
* while (split.More)
* elements.Add(new EllipticalArcTo(command, split));
* continue;
* }
* if (command == 'z' || command == 'Z')
* {
* this.ClosePath = true;
* continue;
* }
*
* // extended format moveto or lineto can contain multiple points which should be translated into lineto
* PathElement lastitem = elements[elements.Count - 1];
* if (lastitem is MoveTo || lastitem is LineTo || lastitem is CurveTo)
* {
* //Point p = Point.Parse(s);
* //elements.Add(new LineTo(p));
* continue;
* }
*
*
* System.Diagnostics.Debug.Assert(false, string.Format("type '{0}' not supported", commandstring));
* }
*/
}
public DrawingGroup CreateDrawing(SVG svg)
{
return(this.LoadGroup(svg.Elements, svg.ViewBox));
}
public static Element Parse(SVG svg, string text, TextShape owner)
{
int curpos = 0;
Element root = new Element(svg, owner, Element.eElementType.Tag, null);
root.Text = "<root>";
root.StartIndex = 0;
return Parse(svg, text, ref curpos, null, root);
}
public DrawingGroup LoadDrawing(string filename)
{
this.m_svg = new SVG(filename);
return(this.CreateDrawing(this.m_svg));
}
public Fill(SVG svg)
{
this.FillRule = eFillRule.nonzero;
this.Color = new SolidColorPaintServer(svg.PaintServers, Colors.LightSeaGreen);
this.Opacity = 100;
}
public DrawingGroup LoadDrawing(string filename)
{
this.m_svg = new SVG(filename);
return this.CreateDrawing(this.m_svg);
}
static Element Parse(SVG svg, string text, ref int curPos, Element parent, Element curTag)
{
Element tag = curTag;
if (tag == null)
tag = NextTag(svg, parent, text, ref curPos);
while (curPos < text.Length)
{
int prevPos = curPos;
Element next = NextTag(svg, tag, text, ref curPos);
if (next == null && curPos < text.Length)
{
// remaining pure text
string s = text.Substring(curPos, text.Length - curPos);
tag.Children.Add(new Element(tag, s));
return tag;
}
if (next != null && next.StartIndex-prevPos > 0)
{
// pure text between tspan elements
int diff = next.StartIndex-prevPos;
string s = text.Substring(prevPos, diff);
tag.Children.Add(new Element(tag, s));
}
if (next.Text.StartsWith("<tspan"))
{
// new nested element
next = Parse(svg, text, ref curPos, tag, next);
tag.Children.Add(next);
continue;
}
if (next.Text.StartsWith("</tspan"))
{
// end of cur element
tag.End = next;
return tag;
}
if (next.Text.StartsWith("<textPath"))
{
continue;
}
if (next.Text.StartsWith("</textPath"))
{
continue;
}
throw new Exception(string.Format("unexpected tag '{0}'", next.Text));
}
return tag;
}
public Element(SVG svg, Shape parent, eElementType eType, List<ShapeUtil.Attribute> attrs)
: base(svg, attrs, parent)
{
this.ElementType = eType;
this.Text = string.Empty;
this.Children = new List<Element>();
}
TSpan.Element ParseTSpan(SVG svg, string tspanText)
{
try
{
return TSpan.Parse(svg, tspanText, this);
}
catch
{
return null;
}
}
public AnimateTransform(SVG svg, XmlNode node)
: base(svg, node)
{
}
public AnimateTransform(SVG svg, XmlNode node)
: base(svg, node)
{
}