/// <summary>
/// 获取渲染
/// </summary>
/// <returns>渲染</returns>
public virtual Drawing GetDrawing()
{
Drawing drawing = this.GetBaseDrawing();
if (drawing == null)
{
return(null);
}
SVGMask mask = this.GetAttributeValue <SVGMask>("mask");
if (mask != null && mask.Value != null)
{
SVGTransform transform = this.GetAttributeValue <SVGTransform>("transform");
DrawingGroup group = new DrawingGroup();
group.OpacityMask = mask.Value;
if (transform != null && transform.Value != null && transform.Value.Count > 0)
{
TransformGroup transform_group = this.GetTransformGroup(group.OpacityMask);
foreach (Transform item in transform.Value)
{
transform_group.Children.Add(item);
}
}
group.Children.Add(drawing);
drawing = group;
}
return(drawing);
}
/// <summary>
/// 获取基础渲染
/// </summary>
/// <returns>基础渲染</returns>
protected override Drawing GetBaseDrawing()
{
double opacity = this.GetAttributeValue <SVGDouble>("opacity", false, SVGDouble.One).GetValue(1);
SVGTransform transform = this.GetAttributeValue <SVGTransform>("transform");
DrawingGroup result = new DrawingGroup();
result.Opacity = opacity;
if (transform != null && transform.Value != null && transform.Value.Count > 0)
{
TransformGroup group = new TransformGroup();
foreach (Transform item in transform.Value)
{
group.Children.Add(item);
}
result.Transform = group;
}
foreach (SVGElement element in this.Children)
{
Drawing drawing = null;
if (element is SVGDrawingContainerElement)
{
drawing = (element as SVGDrawingContainerElement).GetDrawing();
}
else if (element is SVGDrawingElement)
{
drawing = (element as SVGDrawingElement).GetDrawing();
}
if (drawing != null)
{
result.Children.Add(drawing);
}
}
return(result);
}
/// <summary>
/// 获取几何图形
/// </summary>
/// <returns>几何图形</returns>
public virtual Geometry GetGeometry()
{
SVGDisplay display = this.GetAttributeValue <SVGDisplay>("display");
if (display == SVGDisplay.None)
{
return(null);
}
Geometry geometry = this.GetBaseGeometry();
if (geometry == null)
{
return(null);
}
SVGTransform transform = this.GetAttributeValue <SVGTransform>("transform");
if (transform != null && transform.Value != null && transform.Value.Count > 0)
{
TransformGroup group = this.GetTransformGroup(geometry);
foreach (Transform item in transform.Value)
{
group.Children.Add(item);
}
geometry.Transform = group;
}
SVGClipPath clip_path = this.GetAttributeValue <SVGClipPath>("clip-path");
if (clip_path != null && clip_path.Value != null)
{
geometry = Geometry.Combine(geometry, clip_path.Value, GeometryCombineMode.Intersect, null);
}
return(geometry);
}
/// <summary>
/// 获取画刷
/// </summary>
/// <returns>画刷</returns>
private Brush GetBrush()
{
double cx = this.GetAttributeValue <SVGDouble>("cx", false, new SVGDouble(0.5)).GetValue(1);
double cy = this.GetAttributeValue <SVGDouble>("cy", false, new SVGDouble(0.5)).GetValue(1);
double fx = this.GetAttributeValue <SVGDouble>("fx", false, new SVGDouble(0.5)).GetValue(1);
double fy = this.GetAttributeValue <SVGDouble>("fy", false, new SVGDouble(0.5)).GetValue(1);
double r = this.GetAttributeValue <SVGDouble>("r", false, new SVGDouble(0.5)).GetValue(1);
SVGGradientUnits gradientUnits = this.GetAttributeValue <SVGGradientUnits>("gradientUnits");
SVGTransform transform = this.GetAttributeValue <SVGTransform>("gradientTransform");
SVGSpreadMethod spreadMethod = this.GetAttributeValue <SVGSpreadMethod>("spreadMethod");
RadialGradientBrush brush = new RadialGradientBrush();
brush.Center = new System.Windows.Point(cx, cy);
brush.RadiusX = r;
brush.RadiusY = r;
brush.GradientOrigin = new System.Windows.Point(fx, fy);
foreach (SVGElement item in this.Children)
{
Stop stop = item as Stop;
if (stop == null)
{
continue;
}
double offset = stop.GetAttributeValue <SVGDouble>("offset").GetValue(1);
double opacity = stop.GetAttributeValue <SVGDouble>("stop-opacity", false, SVGDouble.One).GetValue(1);
SVGColor color = stop.GetAttributeValue <SVGColor>("stop-color");
GradientStop gs = new GradientStop();
gs.Offset = offset;
if (color != null)
{
Color c = color.Value;
c.A = (byte)(opacity * 255);
gs.Color = c;
}
brush.GradientStops.Add(gs);
}
if (transform != null && transform.Value != null && transform.Value.Count > 0)
{
TransformGroup group = new TransformGroup();
foreach (Transform item in transform.Value)
{
group.Children.Add(item);
}
brush.Transform = group;
}
if (gradientUnits != null)
{
brush.MappingMode = gradientUnits.Value;
}
if (spreadMethod != null)
{
brush.SpreadMethod = spreadMethod.Value;
}
return(brush);
}
/// <summary>
/// 获取画刷
/// </summary>
/// <returns>画刷</returns>
private Brush GetBrush()
{
double x1 = this.GetAttributeValue <SVGDouble>("x1", false, SVGDouble.Zero).GetValue(1);
double y1 = this.GetAttributeValue <SVGDouble>("y1", false, SVGDouble.Zero).GetValue(1);
double x2 = this.GetAttributeValue <SVGDouble>("x2", false, SVGDouble.One).GetValue(1);
double y2 = this.GetAttributeValue <SVGDouble>("y2", false, SVGDouble.Zero).GetValue(1);
SVGGradientUnits gradientUnits = this.GetAttributeValue <SVGGradientUnits>("gradientUnits");
SVGTransform transform = this.GetAttributeValue <SVGTransform>("gradientTransform");
SVGSpreadMethod spreadMethod = this.GetAttributeValue <SVGSpreadMethod>("spreadMethod");
LinearGradientBrush brush = new LinearGradientBrush();
brush.StartPoint = new System.Windows.Point(x1, y1);
brush.EndPoint = new System.Windows.Point(x2, y2);
foreach (SVGElement item in this.Children)
{
Stop stop = item as Stop;
if (stop == null)
{
continue;
}
double offset = stop.GetAttributeValue <SVGDouble>("offset").GetValue(1);
double opacity = stop.GetAttributeValue <SVGDouble>("stop-opacity", false, SVGDouble.One).GetValue(1);
SVGColor color = stop.GetAttributeValue <SVGColor>("stop-color");
GradientStop gs = new GradientStop();
gs.Offset = offset;
if (color != null)
{
Color c = color.Value;
c.A = (byte)(opacity * 255);
gs.Color = c;
}
brush.GradientStops.Add(gs);
}
if (transform != null && transform.Value != null && transform.Value.Count > 0)
{
TransformGroup group = new TransformGroup();
foreach (Transform item in transform.Value)
{
group.Children.Add(item);
}
brush.Transform = group;
}
if (gradientUnits != null)
{
brush.MappingMode = gradientUnits.Value;
}
if (spreadMethod != null)
{
brush.SpreadMethod = spreadMethod.Value;
}
return(brush);
}
