/// <summary>
/// Create a simple PDF document
/// </summary>
/// <returns>Return the created PDF document as stream</returns>
public MemoryStream LayersPDF()
{
//Create a new PDF document
PdfDocument doc = new PdfDocument();
doc.PageSettings = new PdfPageSettings(new SizeF(350, 300));
PdfPage page = doc.Pages.Add();
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 16);
page.Graphics.DrawString("Layers", font, PdfBrushes.DarkBlue, new PointF(150, 10));
//Add the first layer
PdfPageLayer layer = page.Layers.Add("Layer1");
PdfGraphics graphics = layer.Graphics;
graphics.TranslateTransform(100, 60);
//Draw Arc
PdfPen pen = new PdfPen(Color.Red, 50);
RectangleF rect = new RectangleF(0, 0, 50, 50);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Blue, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
pen = new PdfPen(Color.Yellow, 20);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Green, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
//Add another layer on the page
layer = page.Layers.Add("Layer2");
graphics = layer.Graphics;
graphics.TranslateTransform(100, 180);
//graphics.SkewTransform(0, 50);
//Draw another set of elements
pen = new PdfPen(Color.Red, 50);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Blue, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
pen = new PdfPen(Color.Yellow, 20);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Green, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
//Add another layer
layer = page.Layers.Add("Layer3");
graphics = layer.Graphics;
graphics.TranslateTransform(160, 120);
//Draw another set of elements.
pen = new PdfPen(Color.Red, 50);
graphics.DrawArc(pen, rect, -60, 60);
pen = new PdfPen(Color.Blue, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, -60, 60);
pen = new PdfPen(Color.Yellow, 20);
graphics.DrawArc(pen, rect, -60, 60);
pen = new PdfPen(Color.Green, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, -60, 60);
MemoryStream stream = new MemoryStream();
//Save the PDF document
doc.Save(stream);
stream.Position = 0;
//Close the PDF document
doc.Close(true);
return(stream);
}
public ActionResult Layers(string InsideBrowser)
{
//Create a new PDF document
PdfDocument doc = new PdfDocument();
doc.PageSettings = new PdfPageSettings(new SizeF(350, 300));
PdfPage page = doc.Pages.Add();
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 16);
page.Graphics.DrawString("Layers", font, PdfBrushes.DarkBlue, new PointF(150, 10));
//Add the first layer
PdfPageLayer layer = page.Layers.Add("Layer1");
PdfGraphics graphics = layer.Graphics;
graphics.TranslateTransform(100, 60);
//Draw Arc
PdfPen pen = new PdfPen(Color.Red, 50);
RectangleF rect = new RectangleF(0, 0, 50, 50);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Blue, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
pen = new PdfPen(Color.Yellow, 20);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Green, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
//Add another layer on the page
layer = page.Layers.Add("Layer2");
graphics = layer.Graphics;
graphics.TranslateTransform(100, 180);
graphics.SkewTransform(0, 50);
//Draw another set of elements
pen = new PdfPen(Color.Red, 50);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Blue, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
pen = new PdfPen(Color.Yellow, 20);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(Color.Green, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
//Add another layer
layer = page.Layers.Add("Layer3");
graphics = layer.Graphics;
graphics.TranslateTransform(160, 120);
//Draw another set of elements.
pen = new PdfPen(Color.Red, 50);
graphics.DrawArc(pen, rect, -60, 60);
pen = new PdfPen(Color.Blue, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, -60, 60);
pen = new PdfPen(Color.Yellow, 20);
graphics.DrawArc(pen, rect, -60, 60);
pen = new PdfPen(Color.Green, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, -60, 60);
//Stream the output to the browser.
if (InsideBrowser == "Browser")
{
return(doc.ExportAsActionResult("sample.pdf", HttpContext.ApplicationInstance.Response, HttpReadType.Open));
}
else
{
return(doc.ExportAsActionResult("sample.pdf", HttpContext.ApplicationInstance.Response, HttpReadType.Save));
}
}
private async void GeneratePDF_Click(object sender, RoutedEventArgs e)
{
//Create a new instance of PdfDocument class.
doc = new PdfDocument();
// Set page size.
doc.PageSettings = new PdfPageSettings(new SizeF(350, 300));
// Add a new page to the document.
page = doc.Pages.Add();
page.Graphics.DrawString("Layers", new PdfStandardFont(PdfFontFamily.Helvetica, 16), PdfBrushes.DarkBlue, new PointF(150, 10));
//Add first layer
PdfPageLayer layer = page.Layers.Add("Layer1");
PdfGraphics graphics = layer.Graphics;
graphics.TranslateTransform(100, 60);
//Draw Arc
PdfPen pen = new PdfPen(redColor, 50);
RectangleF rect = new RectangleF(0, 0, 50, 50);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(blueColor, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
pen = new PdfPen(yellowColor, 20);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(greenColor, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
//Add another layer on the page
layer = page.Layers.Add("Layer2");
graphics = layer.Graphics;
graphics.TranslateTransform(100, 180);
//Draw another set of elements
pen = new PdfPen(redColor, 50);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(blueColor, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
pen = new PdfPen(yellowColor, 20);
graphics.DrawArc(pen, rect, 360, 360);
pen = new PdfPen(greenColor, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, 360, 360);
//Add third layer.
layer = page.Layers.Add("Layer3");
graphics = layer.Graphics;
graphics.TranslateTransform(160, 120);
//Draw another set of elements.
pen = new PdfPen(redColor, 50);
graphics.DrawArc(pen, rect, -60, 60);
pen = new PdfPen(blueColor, 30);
graphics.DrawArc(pen, 0, 0, 50, 50, -60, 60);
pen = new PdfPen(yellowColor, 20);
graphics.DrawArc(pen, rect, -60, 60);
pen = new PdfPen(greenColor, 10);
graphics.DrawArc(pen, 0, 0, 50, 50, -60, 60);
// Save and close the document.
MemoryStream stream = new MemoryStream();
await doc.SaveAsync(stream);
doc.Close(true);
Save(stream, "Layers.pdf");
}