/// <summary>
/// Constructor
/// </summary>
public ShapeParser(CssStyleCascade cssStyleCascade,
BrushParser brushParser,
GeometryParser geometryParser,
Clipping clipping)
{
this.cssStyleCascade = cssStyleCascade;
this.brushParser = brushParser;
this.geometryParser = geometryParser;
this.clipping = clipping;
}
/// <summary>
/// Get the transformation matrix from top of the cascade
/// </summary>
/// <returns></returns>
public static Matrix GetTransformMatrixFromTop(this CssStyleCascade cssStyleCascade)
{
var transform = cssStyleCascade.GetPropertyFromTop("transform");
if (!string.IsNullOrEmpty(transform))
{
return(TransformMatrixParser.GetTransformMatrix(transform));
}
return(Matrix.Identity);
}
/// <summary>
/// Get an attribute as double from the level (0 = top)
/// </summary>
public static double GetNumberPercentFromLevel(this CssStyleCascade cssStyleCascade, string name, int level, double defaultValue)
{
double retVal = defaultValue;
var strVal = cssStyleCascade.GetPropertyFromLevel(name, level);
if (!string.IsNullOrEmpty(strVal))
{
(_, retVal) = DoubleParser.GetNumberPercent(strVal);
}
return(retVal);
}
/// <summary>
/// Get an attribute as double from the cascade
/// </summary>
public static double GetNumber(this CssStyleCascade cssStyleCascade, string name, double defaultValue)
{
double retVal = defaultValue;
var strVal = cssStyleCascade.GetProperty(name);
if (!string.IsNullOrEmpty(strVal))
{
retVal = DoubleParser.GetNumber(strVal);
}
return(retVal);
}
/// <summary>
/// Parse a single SVG shape
/// </summary>
public GraphicVisual Parse(XElement shape,
XNamespace svgNamespace,
Matrix currentTransformationMatrix,
CssStyleCascade cssStyleCascade,
Dictionary <string, XElement> globalDefinitions)
{
GraphicVisual graphicVisual = null;
cssStyleCascade.PushStyles(shape);
var transform = cssStyleCascade.GetPropertyFromTop("transform");
if (!string.IsNullOrEmpty(transform))
{
var transformMatrix = TransformMatrixParser.GetTransformMatrix(transform);
currentTransformationMatrix = transformMatrix * currentTransformationMatrix;
}
var geometry = GeometryParser.Parse(shape, currentTransformationMatrix);
if (geometry != null)
{
var graphicPath = new GraphicPath();
graphicPath.Geometry = geometry;
graphicVisual = graphicPath;
this.svgNamespace = svgNamespace;
this.globalDefinitions = globalDefinitions;
this.currentTransformationMatrix = currentTransformationMatrix;
this.cssStyleCascade = cssStyleCascade;
SetFillAndStroke(shape, graphicPath);
if (Clipping.IsClipPathSet(cssStyleCascade))
{
// shapes don't support clipping, create a group around it
var group = new GraphicGroup();
graphicVisual = group;
group.Childreen.Add(graphicPath);
Clipping.SetClipPath(group, currentTransformationMatrix, cssStyleCascade, globalDefinitions);
}
cssStyleCascade.Pop();
}
return(graphicVisual);
}
/// <summary>
/// Parse an SVG given as XElement root
/// </summary>
public GraphicVisual ParseRoot(XElement root)
{
var nameSpaceAttributes = root.Attributes().Where(a => a.IsNamespaceDeclaration);
var defaultNamespaceAttribute = root.Attributes().Where(a => a.IsNamespaceDeclaration && a.Name.Namespace == XNamespace.None).FirstOrDefault();
XNamespace defaultNamespace = defaultNamespaceAttribute.Value;
Matrix currentTransformationMatrix = Matrix.Identity;
cssStyleCascade = new CssStyleCascade(root);
ReadGlobalDefinitions(root);
GraphicVisual visual = ParseGroup(defaultNamespace, root, currentTransformationMatrix);
visual = OptimizeVisual.Optimize(visual);
return(visual);
}
/// <summary>
/// Parse an SVG given as XElement root
/// </summary>
public GraphicVisual ParseRoot(XElement root)
{
var nameSpaceAttributes = root.Attributes().Where(a => a.IsNamespaceDeclaration);
var defaultNamespaceAttribute = root.Attributes().Where(a => a.IsNamespaceDeclaration && a.Name.Namespace == XNamespace.None).FirstOrDefault();
XNamespace defaultNamespace = defaultNamespaceAttribute.Value;
Matrix currentTransformationMatrix = Matrix.Identity;
cssStyleCascade = new CssStyleCascade(root);
var svgViewBox = new SvgViewBox
{
ViewBox = new Rect(0, 0, 100, 100),
Align = "none",
Slice = "meet"
};
cssStyleCascade.PushViewBox(svgViewBox);
doubleParser = new DoubleParser(cssStyleCascade);
ReadGlobalDefinitions(root);
var brushParser = new BrushParser(defaultNamespace, cssStyleCascade, globalDefinitions, doubleParser);
var geometryParser = new GeometryParser(doubleParser);
var geometryTextParser = new GeometryTextParser(cssStyleCascade, doubleParser);
clipping = new Clipping(cssStyleCascade, globalDefinitions, geometryParser, geometryTextParser);
shapeParser = new ShapeParser(cssStyleCascade, brushParser, geometryParser, clipping);
textParser = new TextParser(cssStyleCascade, doubleParser, brushParser, clipping);
GraphicVisual visual = ParseSVG(root, currentTransformationMatrix, true);
visual = OptimizeVisual.Optimize(visual);
return(visual);
}
/// <summary>
/// Get an attribute as double from the top of cascade only
/// </summary>
public static double GetNumberPercentFromTop(this CssStyleCascade cssStyleCascade, string name, double defaultValue)
{
return(cssStyleCascade.GetNumberPercentFromLevel(name, 0, defaultValue));
}