/// <summary>
/// Writes PDF path into file stream
/// </summary>
/// <param name="path">PDF path element</param>
internal void Write(PathElement path)
{
var x = TextAdapter.FormatFloat(path.X);
var y = TextAdapter.FormatFloat(path.Y);
var pathCoordinates = new List<string> { PATH_START_FORMAT.Args(x, y) };
pathCoordinates.AddRange(path.Primitives.Select(p => p.ToPdfString()));
var closeTag = path.IsClosed ? "B" : "S";
var pathContent = new StringBuilder();
pathContent.AppendLine("q");
pathContent.Append(path.Style.ToPdfString());
pathContent.AppendFormatLine(string.Join(Constants.SPACE, pathCoordinates));
pathContent.AppendLine(closeTag);
pathContent.Append("Q");
writeStreamedObject(path.ObjectId, pathContent.ToString());
}
/// <summary>
/// Add line primitive to the page
/// </summary>
public PathElement AddLine(float x1, float y1, float x2, float y2, PdfDrawStyle style)
{
var path = new PathElement(x1, y1, style);
path.AddLine(x2, y2);
Add(path);
return path;
}
/// <summary>
/// Add path to the page
/// </summary>
public PathElement AddPath(float x, float y, PdfDrawStyle style)
{
var path = new PathElement(x, y, style);
Add(path);
return path;
}
/// <summary>
/// Add circle primitive to the page
/// </summary>
public PathElement AddCircle(float centerX, float centerY, float r, PdfDrawStyle borderStyle)
{
var path = new PathElement(centerX - r, centerY, borderStyle);
path.IsClosed = true;
path.AddBezier(centerX - r, centerY + Constants.SQRT_TWO * r, centerX + r, centerY + Constants.SQRT_TWO * r, centerX + r, centerY);
path.AddBezier(centerX + r, centerY - Constants.SQRT_TWO * r, centerX - r, centerY - Constants.SQRT_TWO * r, centerX - r, centerY);
Add(path);
return path;
}
