private void button11_Click(object sender, System.EventArgs e)
{
// initialize
C1.C1Pdf.C1PdfDocument pdf = new C1.C1Pdf.C1PdfDocument();
// create points
PointF[] pts = new PointF[]
{
new PointF(50f, 100f), new PointF(100f, 10f), new PointF(250f, 50f),
new PointF(400f, 100f), new PointF(500f, 150f), new PointF(550f, 250f),
new PointF(400f, 300f)
};
// draw Bezier spline
pdf.DrawBeziers(new Pen(Color.Blue, 4), pts);
// show points
pdf.DrawLines(Pens.Gray, pts);
for (int i = 0; i < pts.Length; i++)
{
Brush brush = (i % 3 == 0)? Brushes.Red: Brushes.Green;
pdf.FillRectangle(brush, pts[i].X - 2, pts[i].Y - 2, 4, 4);
}
// save document
string fileName = tempdir + "beziers.pdf";
pdf.Save(fileName);
System.Diagnostics.Process.Start(fileName);
}
private void button14_Click(object sender, System.EventArgs e)
{
C1.C1Pdf.C1PdfDocument pdf = new C1.C1Pdf.C1PdfDocument();
// create some points
PointF[] points = new PointF[20];
Random rnd = new Random();
for (int i = 0; i < points.Length; i++)
{
points[i] = new PointF(rnd.Next(100, 500), rnd.Next(100, 200));
}
// draw lines
pdf.DrawLines(Pens.Black, points);
// show points
foreach (PointF pt in points)
{
pdf.DrawRectangle(Pens.Red, pt.X - 3, pt.Y - 3, 6, 6);
}
// save the document to a file
string fileName = tempdir + "drawlines.pdf";
pdf.Save(fileName);
System.Diagnostics.Process.Start(fileName);
}
private void button10_Click(object sender, System.EventArgs e)
{
// initialize
C1.C1Pdf.C1PdfDocument pdf = new C1.C1Pdf.C1PdfDocument();
// create points
PointF[] pts = new PointF[]
{
new PointF(100, 100), new PointF(120, 30),
new PointF(200, 140), new PointF(230, 20),
};
// draw Bezier spline
pdf.DrawBezier(new Pen(Color.Blue, 4), pts[0], pts[1], pts[2], pts[3]);
// show points
pdf.DrawLines(Pens.Gray, pts);
foreach (PointF pt in pts)
{
pdf.DrawRectangle(Pens.Red, pt.X - 2, pt.Y - 2, 4, 4);
}
string fileName = tempdir + "bezier.pdf";
pdf.Save(fileName);
System.Diagnostics.Process.Start(fileName);
}