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;
}
}
