private static void CreatePolylineAnnotations(PdfFixedDocument document, PdfFont font) { PdfBrush blackBrush = new PdfBrush(); PdfPage page = document.Pages.Add(); page.Graphics.DrawString("Polyline annotations", font, blackBrush, 50, 50); int[] vertices = new int[] { 3, 4, 5, 6 }; double centerY = 125, centerX = 150; double radius = 50; for (int i = 0; i < vertices.Length; i++) { PdfPoint[] points = new PdfPoint[vertices[i]]; double angle = 90; double rotation = 360 / vertices[i]; for (int j = 0; j < vertices[i]; j++) { points[j] = new PdfPoint(); points[j].X = centerX + radius * Math.Cos(Math.PI * angle / 180); points[j].Y = centerY - radius * Math.Sin(Math.PI * angle / 180); angle = angle + rotation; } PdfPolylineAnnotation polyline = new PdfPolylineAnnotation(); page.Annotations.Add(polyline); polyline.Author = "Xfinium.Pdf"; polyline.Contents = "Polyline annotation with " + vertices[i] + " vertices."; polyline.Points = points; polyline.LineColor = new PdfRgbColor(192, 0, 0); polyline.LineWidth = 3; centerY = centerY + 150; } }
private static void CreatePolylineAnnotations(PdfFixedDocument document, PdfFont font) { PdfBrush blackBrush = new PdfBrush(); PdfPage page = document.Pages.Add(); page.Graphics.DrawString("Polyline annotations", font, blackBrush, 50, 50); int[] vertices = new int[] { 3, 4, 5, 6 }; double centerY = 125, centerX = 150; double radius = 50; for (int i = 0; i < vertices.Length; i++) { PdfPoint[] points = new PdfPoint[vertices[i]]; double angle = 90; double rotation = 360 / vertices[i]; for (int j = 0; j < vertices[i]; j++) { points[j] = new PdfPoint(); points[j].X = centerX + radius * Math.Cos(Math.PI * angle / 180); points[j].Y = centerY - radius * Math.Sin(Math.PI * angle / 180); angle = angle + rotation; } PdfPolylineAnnotation polyline = new PdfPolylineAnnotation(); page.Annotations.Add(polyline); polyline.Author = "Xfinium.Pdf"; polyline.Contents = "Polyline annotation with " + vertices[i] + " vertices."; polyline.Points = points; polyline.LineColor = new PdfRgbColor(192, 0, 0); polyline.LineWidth = 3; centerY = centerY + 150; } }