public EllipseShape(SVG svg, XmlNode node) : base(svg, node)
{
CX = XmlUtil.AttrValue(node, "cx", 0);
CY = XmlUtil.AttrValue(node, "cy", 0);
RX = XmlUtil.AttrValue(node, "rx", 0);
RY = XmlUtil.AttrValue(node, "ry", 0);
}
public LinearGradientColor(PaintServerManager owner, XmlNode node) : base(owner, node)
{
System.Diagnostics.Debug.Assert(node.Name == SVGTags.sLinearGradient);
Id = XmlUtil.AttrValue(node, "id");
X1 = XmlUtil.AttrValue(node, "x1", double.NaN);
Y1 = XmlUtil.AttrValue(node, "y1", double.NaN);
X2 = XmlUtil.AttrValue(node, "x2", double.NaN);
Y2 = XmlUtil.AttrValue(node, "y2", double.NaN);
}
public UseShape(SVG svg, XmlNode node) : base(svg, node)
{
X = XmlUtil.AttrValue(node, "x", 0);
Y = XmlUtil.AttrValue(node, "y", 0);
hRef = XmlUtil.AttrValue(node, "xlink:href", string.Empty);
if (hRef.StartsWith("#"))
{
hRef = hRef.Substring(1);
}
}
public LineShape(SVG svg, XmlNode node) : base(svg, node)
{
double x1 = XmlUtil.AttrValue(node, "x1", 0);
double y1 = XmlUtil.AttrValue(node, "y1", 0);
double x2 = XmlUtil.AttrValue(node, "x2", 0);
double y2 = XmlUtil.AttrValue(node, "y2", 0);
P1 = new Point(x1, y1);
P2 = new Point(x2, y2);
}
public ClipArtElement(XmlNode node)
{
if (node == null)
{
Id = "<null>";
}
else
{
Id = XmlUtil.AttrValue(node, "id");
}
}
public RadialGradientColor(PaintServerManager owner, XmlNode node) : base(owner, node)
{
System.Diagnostics.Debug.Assert(node.Name == SVGTags.sRadialGradient);
Id = XmlUtil.AttrValue(node, "id");
CX = XmlUtil.AttrValue(node, "cx", double.NaN);
CY = XmlUtil.AttrValue(node, "cy", double.NaN);
FX = XmlUtil.AttrValue(node, "fx", double.NaN);
FY = XmlUtil.AttrValue(node, "fy", double.NaN);
R = XmlUtil.AttrValue(node, "r", double.NaN);
Normalize();
}
public PolylineShape(SVG svg, XmlNode node) : base(svg, node)
{
string points = XmlUtil.AttrValue(node, SVGTags.sPoints, string.Empty);
ShapeUtil.StringSplitter split = new ShapeUtil.StringSplitter(points);
List <Point> list = new List <Point>();
while (split.More)
{
list.Add(split.ReadNextPoint());
}
Points = list.ToArray();
}
public RectangleShape(SVG svg, XmlNode node) : base(svg, node)
{
X = XmlUtil.AttrValue(node, "x", 0);
Y = XmlUtil.AttrValue(node, "y", 0);
Width = XmlUtil.AttrValue(node, "width", 0);
Height = XmlUtil.AttrValue(node, "height", 0);
RX = XmlUtil.AttrValue(node, "rx", 0);
RY = XmlUtil.AttrValue(node, "ry", 0);
if (DefaultFill == null)
{
DefaultFill = new Fill(svg);
DefaultFill.Color = svg.PaintServers.Parse("black");
}
}
public PolygonShape(SVG svg, XmlNode node) : base(svg, node)
{
if (DefaultFill == null)
{
DefaultFill = new Fill(svg);
DefaultFill.Color = svg.PaintServers.Parse("black");
}
string points = XmlUtil.AttrValue(node, SVGTags.sPoints, string.Empty);
ShapeUtil.StringSplitter split = new ShapeUtil.StringSplitter(points);
List <Point> list = new List <Point>();
while (split.More)
{
list.Add(split.ReadNextPoint());
}
Points = list.ToArray();
}
public ImageShape(SVG svg, XmlNode node) : base(svg, node)
{
X = XmlUtil.AttrValue(node, "x", 0);
Y = XmlUtil.AttrValue(node, "y", 0);
Width = XmlUtil.AttrValue(node, "width", 0);
Height = XmlUtil.AttrValue(node, "height", 0);
string hRef = XmlUtil.AttrValue(node, "xlink:href", string.Empty);
if (hRef.Length > 0)
{
// filename given must be relative to the location of the svg file
string svgpath = System.IO.Path.GetDirectoryName(svg.Filename);
string filename = System.IO.Path.Combine(svgpath, hRef);
BitmapImage b = new BitmapImage();
b.BeginInit();
b.UriSource = new Uri(filename, UriKind.RelativeOrAbsolute);
b.EndInit();
ImageSource = b;
}
}
public TextShape(SVG svg, XmlNode node, Shape parent) : base(svg, node, parent)
{
X = XmlUtil.AttrValue(node, "x", 0);
Y = XmlUtil.AttrValue(node, "y", 0);
Text = node.InnerText;
GetTextStyle(svg);
// check for tSpan tag
if (node.InnerXml.IndexOf("<") >= 0)
{
TextSpan = 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 PaintServer Create(XmlNode node)
{
if (node.Name == SVGTags.sLinearGradient)
{
string id = XmlUtil.AttrValue(node, "id");
if (m_servers.ContainsKey(id) == false)
{
m_servers[id] = new LinearGradientColor(this, node);
}
return(m_servers[id]);
}
if (node.Name == SVGTags.sRadialGradient)
{
string id = XmlUtil.AttrValue(node, "id");
if (m_servers.ContainsKey(id) == false)
{
m_servers[id] = new RadialGradientColor(this, node);
}
return(m_servers[id]);
}
return(null);
}
// 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");
}
ClosePath = false;
string path = XmlUtil.AttrValue(node, "d", string.Empty);
CommandSplitter cmd = new CommandSplitter(path);
string commandstring;
char command;
List <PathElement> elements = 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')
{
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 CircleShape(SVG svg, XmlNode node) : base(svg, node)
{
CX = XmlUtil.AttrValue(node, "cx", 0);
CY = XmlUtil.AttrValue(node, "cy", 0);
R = XmlUtil.AttrValue(node, "r", 0);
}
protected virtual void Parse(SVG svg, string name, string value)
{
if (name == SVGTags.sTransform)
{
Transform = ShapeUtil.ParseTransform(value.ToLower());
return;
}
if (name == SVGTags.sStroke)
{
GetStroke(svg).Color = svg.PaintServers.Parse(value);
return;
}
if (name == SVGTags.sStrokeWidth)
{
GetStroke(svg).Width = XmlUtil.ParseDouble(svg, value);
return;
}
if (name == SVGTags.sStrokeOpacity)
{
GetStroke(svg).Opacity = XmlUtil.ParseDouble(svg, value) * 100;
return;
}
if (name == SVGTags.sStrokeDashArray)
{
if (value == "none")
{
GetStroke(svg).StrokeArray = null;
return;
}
ShapeUtil.StringSplitter sp = new ShapeUtil.StringSplitter(value);
List <double> a = new List <double>();
while (sp.More)
{
a.Add(sp.ReadNextValue());
}
GetStroke(svg).StrokeArray = a.ToArray();
return;
}
if (name == SVGTags.sStrokeLinecap)
{
GetStroke(svg).LineCap = (ClipArtViewer.Stroke.eLineCap)Enum.Parse(typeof(ClipArtViewer.Stroke.eLineCap), value);
return;
}
if (name == SVGTags.sStrokeLinejoin)
{
GetStroke(svg).LineJoin = (ClipArtViewer.Stroke.eLineJoin)Enum.Parse(typeof(ClipArtViewer.Stroke.eLineJoin), value);
return;
}
if (name == SVGTags.sFill)
{
GetFill(svg).Color = svg.PaintServers.Parse(value);
return;
}
if (name == SVGTags.sFillOpacity)
{
GetFill(svg).Opacity = XmlUtil.ParseDouble(svg, value) * 100;
return;
}
if (name == SVGTags.sFillRule)
{
GetFill(svg).FillRule = (Fill.eFillRule)Enum.Parse(typeof(Fill.eFillRule), value);
return;
}
if (name == SVGTags.sStyle)
{
foreach (ShapeUtil.Attribute item in XmlUtil.SplitStyle(svg, value))
{
Parse(svg, item);
}
}
//********************** text *******************
if (name == SVGTags.sFontFamily)
{
GetTextStyle(svg).FontFamily = value;
return;
}
if (name == SVGTags.sFontSize)
{
GetTextStyle(svg).FontSize = XmlUtil.AttrValue(new ShapeUtil.Attribute(name, value));
return;
}
if (name == SVGTags.sFontWeight)
{
GetTextStyle(svg).Fontweight = (FontWeight) new FontWeightConverter().ConvertFromString(value);
return;
}
if (name == SVGTags.sFontStyle)
{
GetTextStyle(svg).Fontstyle = (FontStyle) new FontStyleConverter().ConvertFromString(value);
return;
}
if (name == SVGTags.sTextDecoration)
{
TextDecoration t = new TextDecoration();
if (value == "none")
{
return;
}
if (value == "underline")
{
t.Location = TextDecorationLocation.Underline;
}
if (value == "overline")
{
t.Location = TextDecorationLocation.OverLine;
}
if (value == "line-through")
{
t.Location = TextDecorationLocation.Strikethrough;
}
TextDecorationCollection tt = new TextDecorationCollection();
tt.Add(t);
GetTextStyle(svg).TextDecoration = tt;
return;
}
if (name == SVGTags.sTextAnchor)
{
if (value == "start")
{
GetTextStyle(svg).TextAlignment = TextAlignment.Left;
}
if (value == "middle")
{
GetTextStyle(svg).TextAlignment = TextAlignment.Center;
}
if (value == "end")
{
GetTextStyle(svg).TextAlignment = TextAlignment.Right;
}
return;
}
if (name == "word-spacing")
{
GetTextStyle(svg).WordSpacing = XmlUtil.AttrValue(new ShapeUtil.Attribute(name, value));
return;
}
if (name == "letter-spacing")
{
GetTextStyle(svg).LetterSpacing = XmlUtil.AttrValue(new ShapeUtil.Attribute(name, value));
return;
}
if (name == "baseline-shift")
{
//GetTextStyle(svg).BaseLineShift = XmlUtil.AttrValue(new ShapeUtil.Attribute(name, value));
GetTextStyle(svg).BaseLineShift = value;
return;
}
}
public GradientColor(PaintServerManager owner, XmlNode node) : base(owner)
{
GradientUnits = XmlUtil.AttrValue(node, "gradientUnits", string.Empty);
string transform = XmlUtil.AttrValue(node, "gradientTransform", string.Empty);
if (transform.Length > 0)
{
Transform = ShapeUtil.ParseTransform(transform.ToLower());
}
if (node.ChildNodes.Count == 0 && XmlUtil.AttrValue(node, "xlink:href", string.Empty).Length > 0)
{
string refid = XmlUtil.AttrValue(node, "xlink:href", string.Empty);
GradientColor refcol = owner.Parse(refid.Substring(1)) as GradientColor;
if (refcol == null)
{
return;
}
m_stops = new List <GradientStop>(refcol.m_stops);
}
foreach (XmlNode childnode in node.ChildNodes)
{
if (childnode.Name == "stop")
{
List <XmlAttribute> styleattr = new List <XmlAttribute>();
string fullstyle = XmlUtil.AttrValue(childnode, SVGTags.sStyle, string.Empty);
if (fullstyle.Length > 0)
{
foreach (ShapeUtil.Attribute styleitem in XmlUtil.SplitStyle(null, fullstyle))
{
styleattr.Add(new XmlUtil.StyleItem(childnode, styleitem.Name, styleitem.Value));
}
}
foreach (XmlAttribute attr1 in styleattr)
{
childnode.Attributes.Append(attr1);
}
double offset = XmlUtil.AttrValue(childnode, "offset", (double)0);
string s = XmlUtil.AttrValue(childnode, "stop-color", "#0");
double stopopacity = XmlUtil.AttrValue(childnode, "stop-opacity", (double)1);
Color color;
if (s.StartsWith("#"))
{
color = PaintServerManager.ParseHexColor(s);
}
else
{
color = PaintServerManager.KnownColor(s);
}
if (stopopacity != 1)
{
color = Color.FromArgb((byte)(stopopacity * 255), color.R, color.G, color.B);
}
if (offset > 1)
{
offset = offset / 100;
}
m_stops.Add(new GradientStop(color, offset));
}
}
}