internal static string ToFullSvg(this PdfPath p)
{
string BboxToRect(PdfRectangle box, string stroke)
{
var overallBbox = $"<rect x='{box.Left}' y='{box.Bottom}' width='{box.Width}' height='{box.Height}' stroke-width='2' fill='none' stroke='{stroke}'></rect>";
return(overallBbox);
}
var glyph = p.ToSvg();
var bbox = p.GetBoundingRectangle();
var bboxes = new List <PdfRectangle>();
foreach (var command in p.Commands)
{
var segBbox = command.GetBoundingRectangle();
if (segBbox.HasValue)
{
bboxes.Add(segBbox.Value);
}
}
var path = $"<path d='{glyph}' stroke='cyan' stroke-width='3'></path>";
var bboxRect = bbox.HasValue ? BboxToRect(bbox.Value, "yellow") : string.Empty;
var others = string.Join(" ", bboxes.Select(x => BboxToRect(x, "gray")));
var result = $"<svg width='500' height='500'><g transform=\"scale(0.2, -0.2) translate(100, -700)\">{path} {bboxRect} {others}</g></svg>";
return(result);
}
/// <summary>
/// Simplify this <see cref="PdfPath"/> by converting everything to <see cref="PdfLine"/>s.
/// </summary>
/// <returns></returns>
internal PdfPath Simplify()
{
PdfPath simplifiedPath = new PdfPath();
var startPoint = GetStartPoint(Commands.First());
simplifiedPath.MoveTo(startPoint.X, startPoint.Y);
foreach (var command in Commands)
{
if (command is Line line)
{
simplifiedPath.LineTo(line.To.X, line.To.Y);
}
else if (command is BezierCurve curve)
{
foreach (var lineB in curve.ToLines(4))
{
simplifiedPath.LineTo(lineB.To.X, lineB.To.Y);
}
}
}
// Check if Closed, if yes: make sure it is actually closed (last TO = first FROM)
if (IsClosed())
{
var first = GetStartPoint(simplifiedPath.Commands.First());
if (!first.Equals(GetEndPoint(simplifiedPath.Commands.Last())))
{
simplifiedPath.LineTo(first.X, first.Y);
}
}
return(simplifiedPath);
}
internal static string ToSvg(this PdfPath p)
{
var builder = new StringBuilder();
foreach (var pathCommand in p.Commands)
{
pathCommand.WriteSvg(builder);
}
if (builder.Length == 0)
{
return(string.Empty);
}
if (builder[builder.Length - 1] == ' ')
{
builder.Remove(builder.Length - 1, 1);
}
return(builder.ToString());
}
