/// <summary>
/// Parse an SVG shape and return a GraphicPathGeometry
/// </summary>
public static GraphicPathGeometry Parse(XElement shape,
Matrix currentTransformationMatrix)
{
GraphicPathGeometry geometry = null;
switch (shape.Name.LocalName)
{
case "path":
geometry = ParsePath(shape);
break;
case "polygon":
geometry = ParsePolygon(shape);
break;
case "circle":
geometry = ParseCircle(shape);
break;
case "ellipse":
geometry = ParseEllipse(shape);
break;
case "rect":
geometry = ParseRect(shape);
break;
case "line":
geometry = ParseLine(shape);
break;
case "polyline":
geometry = ParsePolyline(shape);
break;
}
if (geometry != null)
{
//Matrix currentPathTransformationMatrix = currentTransformationMatrix;
//var attrs = shape.Attribute("transform");
//if (attrs != null)
//{
// var transformMatrix = TransformMatrixParser.GetTransformMatrix(attrs.Value);
// currentPathTransformationMatrix = transformMatrix * currentPathTransformationMatrix;
//}
var trans = new TransformVisual();
geometry = trans.Transform(geometry, currentTransformationMatrix);
}
return(geometry);
}
/// <summary>
/// Parse an SVG shape and return a GraphicPathGeometry
/// </summary>
public GraphicPathGeometry Parse(XElement shape,
Matrix currentTransformationMatrix)
{
GraphicPathGeometry geometry = null;
switch (shape.Name.LocalName)
{
case "path":
geometry = ParsePath(shape);
break;
case "polygon":
geometry = ParsePolygon(shape);
break;
case "circle":
geometry = ParseCircle(shape);
break;
case "ellipse":
geometry = ParseEllipse(shape);
break;
case "rect":
geometry = ParseRect(shape);
break;
case "line":
geometry = ParseLine(shape);
break;
case "polyline":
geometry = ParsePolyline(shape);
break;
}
if (geometry != null)
{
var trans = new TransformVisual();
geometry = trans.Transform(geometry, currentTransformationMatrix);
}
return(geometry);
}
public static void CreateArc(EpsInterpreter interpreter, bool sweepDirection)
{
var operandStack = interpreter.OperandStack;
GraphicsState graphicState = interpreter.GraphicState;
var angle2 = operandStack.PopRealValue();
var angle1 = operandStack.PopRealValue();
var r = operandStack.PopRealValue();
var y = operandStack.PopRealValue();
var x = operandStack.PopRealValue();
// be aware the segment converter returns coordinates in user space
var(segments, startPoint, currentPoint) = ArcToPathSegmentConverter.ArcToPathSegments(new Point(x, y), r, angle1, angle2, sweepDirection);
if (graphicState.CurrentGeometry == null)
{
graphicState.CurrentGeometry = new GraphicPathGeometry();
var point = MatrixUtilities.TransformPoint(startPoint, graphicState.CurrentTransformationMatrix);
var move = new GraphicMoveSegment {
StartPoint = point
};
graphicState.CurrentGeometry.Segments.Add(move);
graphicState.LastMove = move;
}
else
{
var point = MatrixUtilities.TransformPoint(startPoint, graphicState.CurrentTransformationMatrix);
var lineSegment = new GraphicLineSegment {
To = point
};
graphicState.CurrentGeometry.Segments.Add(lineSegment);
}
var transformVisual = new TransformVisual();
var transformedSegments = transformVisual.TransformSegments(segments, graphicState.CurrentTransformationMatrix);
graphicState.CurrentGeometry.Segments.AddRange(transformedSegments);
graphicState.CurrentPoint = currentPoint;
}
