public LineTo(char command, ShapeUtil.StringSplitter value) : base(command)
{
if (char.ToLower(command) == 'h')
{
this.PositionType = eType.Horizontal;
double v = value.ReadNextValue();
this.Points = new Point[] { new Point(v, 0) };
return;
}
if (char.ToLower(command) == 'v')
{
this.PositionType = eType.Vertical;
double v = value.ReadNextValue();
this.Points = new Point[] { new Point(0, v) };
return;
}
this.PositionType = eType.Point;
List <Point> list = new List <Point>();
while (value.More)
{
Point p = value.ReadNextPoint();
list.Add(p);
}
this.Points = list.ToArray();
}
public static Transform ParseTransform(string value)
{
string type = ExtractUntil(value, '(');
string v1 = ExtractBetween(value, '(', ')');
ShapeUtil.StringSplitter split = new ShapeUtil.StringSplitter(v1);
List <double> values = new List <double>();
while (split.More)
{
values.Add(split.ReadNextValue());
}
if (type == SVGTags.sTranslate)
{
return(new TranslateTransform(values[0], values[1]));
}
if (type == SVGTags.sMatrix)
{
return(Transform.Parse(v1));
}
if (type == SVGTags.sScale)
{
return(new ScaleTransform(values[0], values[1]));
}
if (type == SVGTags.sRotate)
{
return(new RotateTransform(values[0], values[1], values[2]));
}
return(null);
}
public EllipticalArcTo(char command, ShapeUtil.StringSplitter value) : base(command)
{
this.RX = value.ReadNextValue();
this.RY = value.ReadNextValue();
this.AxisRotation = value.ReadNextValue();
double arcflag = value.ReadNextValue();
this.LargeArc = (arcflag > 0);
double sweepflag = value.ReadNextValue();
this.Clockwise = (sweepflag > 0);
this.X = value.ReadNextValue();
this.Y = value.ReadNextValue();
}
public MoveTo(char command, ShapeUtil.StringSplitter value) : base(command)
{
this.Point = value.ReadNextPoint();
}
// 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 CurveTo(char command, ShapeUtil.StringSplitter value, Point ctrlPoint1) : base(command)
{
this.CtrlPoint1 = ctrlPoint1;
this.CtrlPoint2 = value.ReadNextPoint();
this.Point = value.ReadNextPoint();
}
private static Transform ParseTransformInternal(string value)
{
string type = ExtractUntil(value, '(').TrimStart(',');
string v1 = ExtractBetween(value, '(', ')');
ShapeUtil.StringSplitter split = new ShapeUtil.StringSplitter(v1);
List <double> values = new List <double>();
while (split.More)
{
values.Add(split.ReadNextValue());
}
if (type == SVGTags.sTranslate)
{
if (values.Count == 1)
{
return(new TranslateTransform(values[0], 0));
}
else
{
return(new TranslateTransform(values[0], values[1]));
}
}
if (type == SVGTags.sMatrix)
{
return(Transform.Parse(v1));
}
if (type == SVGTags.sScale)
{
if (values.Count == 1)
{
return(new ScaleTransform(values[0], values[0]));
}
else
{
return(new ScaleTransform(values[0], values[1]));
}
}
if (type == SVGTags.sSkewX)
{
return(new SkewTransform(values[0], 0));
}
if (type == SVGTags.sSkewY)
{
return(new SkewTransform(0, values[0]));
}
if (type == SVGTags.sRotate)
{
if (values.Count == 1)
{
return(new RotateTransform(values[0], 0, 0));
}
if (values.Count == 2)
{
return(new RotateTransform(values[0], values[1], 0));
}
return(new RotateTransform(values[0], values[1], values[2]));
}
return(null);
}
public QuadraticCurveTo(char command, ShapeUtil.StringSplitter value) : base(command)
{
this.CtrlPoint1 = value.ReadNextPoint();
this.Point = value.ReadNextPoint();
}
