public override void VisitElement (Element element)
{
var lgb = element.Brush as LinearGradientBrush;
if (lgb != null && !defs.ContainsKey (lgb)) {
var id = "linearGradient-" + (nextId++);
defs [lgb] = id;
w.WriteLine ("<linearGradient x1=\"{1}{5}\" y1=\"{2}{5}\" x2=\"{3}{5}\" y2=\"{4}{5}\" id=\"{0}\">",
id,
lgb.Start.X*100, lgb.Start.Y*100,
lgb.End.X*100, lgb.End.Y*100,
lgb.Absolute ? "" : "%");
WriteStops (lgb);
w.WriteLine ("</linearGradient>");
}
var rgb = element.Brush as RadialGradientBrush;
if (rgb != null && !defs.ContainsKey (rgb)) {
var id = "radialGradient-" + (nextId++);
defs [rgb] = id;
w.WriteLine ("<radialGradient cx=\"{1}{6}\" cy=\"{2}{6}\" fx=\"{3}{6}\" fy=\"{4}{6}\" r=\"{5}{6}\" id=\"{0}\">",
id,
rgb.Center.X*100, rgb.Center.Y*100,
rgb.Focus.X*100, rgb.Focus.Y*100,
rgb.Radius.Width*100,
rgb.Absolute ? "" : "%");
WriteStops (rgb);
w.WriteLine ("</radialGradient>");
}
}
protected virtual void SetCloneData (Element clone)
{
clone.Id = Id;
clone.Transform = Transform;
clone.Pen = Pen;
clone.Brush = Brush;
}
private static void ApplyColor(NGraphics.Element element, NGraphics.Color color)
{
var children = (element as Group)?.Children;
if (children != null)
{
foreach (var child in children)
{
ApplyColor(child, color);
}
}
if (element?.Pen != null)
{
element.Pen = new Pen(color, element.Pen.Width);
}
if (element?.Brush != null)
{
element.Brush = new SolidBrush(color);
}
}
public void Apply(Element e)
{
if (e == null)
return;
e.Display = display;
}
void WriteStartElement (string name, Element element)
{
w.Write ("<{0}", name);
if (!string.IsNullOrWhiteSpace (element.Id)) {
w.Write (" id=\"{0}\"", element.Id);
}
if (element.Pen != null) {
w.Write (" stroke-width=\"{0}\"", element.Pen.Width);
w.Write (" stroke=\"{0}\"", element.Pen.Color.HtmlString);
if (element.Pen.Color.A != 255) {
w.Write (" stroke-opacity=\"{0}\"", element.Pen.Color.Alpha);
}
} else {
w.Write (" stroke=\"none\"");
}
if (element.Brush != null) {
//fill-rule="evenodd"
var sb = element.Brush as SolidBrush;
if (sb != null) {
w.Write (" fill=\"{0}\"", sb.Color.HtmlString);
if (sb.Color.A != 255) {
w.Write (" fill-opacity=\"{0}\"", sb.Color.Alpha);
}
} else {
w.Write (" fill=\"url(#{0})\"", defs[element.Brush]);
}
} else {
w.Write (" fill=\"none\"");
}
var t = element.Transform;
if (t != Transform.Identity) {
w.Write (" transform=\"matrix({0}, {1}, {2}, {3}, {4}, {5})\"",
t.A, t.B,
t.C, t.D,
t.E, t.F);
}
}
void WriteElement (Element c)
{
w.WriteLine (c.ToString ());
}
public virtual void EndVisitElement (Element element)
{
}
protected override void SetCloneData (Element clone)
{
base.SetCloneData (clone);
((Group)clone).Children.AddRange (Children.Select (x => x.Clone ()));
}
protected override void SetCloneData (Element clone)
{
base.SetCloneData (clone);
((Path)clone).Operations.AddRange (Operations.Select (x => x.Clone ()));
}