    using System;
    using System.Collections.Generic;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;

    using System.Drawing;

    // Use EVO PDF Namespace
    using EvoPdfClient;

    namespace EvoHtmlToPdfDemo.PDF_Creator
    {
        public partial class Text_Elements : System.Web.UI.Page
        {
            protected void createPdfButton_Click(object sender, EventArgs e)
            {
                // Get the server IP and port
                String serverIP = textBoxServerIP.Text;
                uint serverPort = uint.Parse(textBoxServerPort.Text);

                // Create a PDF document
                Document pdfDocument = null;
                if (radioButtonUseTcpService.Checked)
                    pdfDocument = new Document(serverIP, serverPort);
                else
                    pdfDocument = new Document(true, textBoxWebServiceUrl.Text);

                // Set optional service password
                if (textBoxServicePassword.Text.Length > 0)
                    pdfDocument.ServicePassword = textBoxServicePassword.Text;

                // Set license key received after purchase to use the converter in licensed mode
                // Leave it not set to use the converter in demo mode
                pdfDocument.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";

                // The titles font used to mark various sections of the PDF document
                PdfFont titleFont = new PdfFont("Times New Roman", 10, true);
                titleFont.Bold = true;
                titleFont.Underline = true;

                // Create a PDF page in PDF document
                PdfPage pdfPage = pdfDocument.AddPage();

                // Text Elements Using Fonts Installed in System

                // Add section title
                TextElement titleTextElement = new TextElement(5, 5, "Text Elements Using Fonts Installed in System", titleFont);
                titleTextElement.ForeColor = RgbColor.DarkGreen;
                pdfPage.AddElement(titleTextElement);

                // Embed in PDF document a font with Normal style installed in system
                PdfFont embeddedSystemFontNormal = new PdfFont("Times New Roman", 10, true);

                // Add a text element using a font with Normal style installed in system
                TextElement embeddedSystemFontNormalTextElement = new TextElement(0, 0, "This text uses a font with Normal style installed in system", embeddedSystemFontNormal);
                pdfDocument.AddElement(embeddedSystemFontNormalTextElement, 5, 10);

                // Embed in PDF document a font with Bold style installed in system
                PdfFont embeddedSystemFontBold = new PdfFont("Times New Roman", 10, true);
                embeddedSystemFontBold.Bold = true;

                // Add a text element using a font with Bold style installed in system
                TextElement embeddedSystemFontBoldTextElement = new TextElement(0, 0, "This text uses a font with Bold style installed in system", embeddedSystemFontBold);
                pdfDocument.AddElement(embeddedSystemFontBoldTextElement, 3);

                // Embed in PDF document a font with Italic style installed in system
                PdfFont embeddedSystemFontItalic = new PdfFont("Times New Roman", 10, true);
                embeddedSystemFontItalic.Italic = true;

                // Add a text element using a font with Italic style installed in system
                TextElement embeddedSystemFontItalicTextElement = new TextElement(0, 0, "This text uses a font with Italic style installed in system", embeddedSystemFontItalic);
                pdfDocument.AddElement(embeddedSystemFontItalicTextElement, 3);

                // Text Elements Using Fonts From Local Files

                // Add section title
                titleTextElement = new TextElement(0, 0, "Text Elements Using Fonts From Local Files", titleFont);
                titleTextElement.ForeColor = RgbColor.Navy;
                pdfDocument.AddElement(titleTextElement, -5, 15);

                // Embed a True Type font from a local file in PDF document
                PdfFont localTrueTypeFont = new PdfFont(Server.MapPath("~/DemoAppFiles/Input/Fonts/TrueType.ttf"), 10);

                // Add a text element using the local True Type font to PDF document
                TextElement localFontTtfTextElement = new TextElement(0, 0, "This text uses a True Type Font loaded from a local file", localTrueTypeFont);
                pdfDocument.AddElement(localFontTtfTextElement, 5, 10);

                // Embed an OpenType font with TrueType Outlines in PDF document
                PdfFont localOpenTypeTrueTypeFont = new PdfFont(Server.MapPath("~/DemoAppFiles/Input/Fonts/OpenTypeTrueType.otf"), 10);

                // Add a text element using the local OpenType font with TrueType Outlines to PDF document
                TextElement localOpenTypeTrueTypeFontTextElement = new TextElement(0, 0, "This text uses an Open Type Font with TrueType Outlines loaded from a local file", localOpenTypeTrueTypeFont);
                pdfDocument.AddElement(localOpenTypeTrueTypeFontTextElement);

                //  Embed an OpenType font with PostScript Outlines in PDF document
                PdfFont localOpenTypePostScriptFont = new PdfFont(Server.MapPath("~/DemoAppFiles/Input/Fonts/OpenTypePostScript.otf"), 10);

                // Add a text element using the local OpenType font with PostScript Outlines to PDF document
                TextElement localOpenTypePostScriptFontTextElement = new TextElement(0, 0, "This text uses an Open Type Font with PostScript Outlines loaded from a local file", localOpenTypePostScriptFont);
                pdfDocument.AddElement(localOpenTypePostScriptFontTextElement, 3);

                // Text Elements Using Standard PDF Fonts

                // Add section title
                titleTextElement = new TextElement(0, 0, "Text Elements Using Standard PDF Fonts", titleFont);
                titleTextElement.ForeColor = RgbColor.DarkGreen;
                pdfDocument.AddElement(titleTextElement, -5, 10);

                // Create a standard PDF font with Normal style
                PdfFont standardPdfFontNormal = new PdfFont(StdFontBaseFamily.Helvetica, 10);

                // Add a text element using the standard PDF font with Normal style
                TextElement standardPdfFontNormalTextElement = new TextElement(0, 0, "This text uses a standard PDF font with Normal style", standardPdfFontNormal);
                pdfDocument.AddElement(standardPdfFontNormalTextElement, 5, 10);

                // Create a standard PDF font with Bold style
                PdfFont standardPdfFontBold = new PdfFont(StdFontBaseFamily.HelveticaBold, 10);

                // Add a text element using the standard PDF font with Bold style
                TextElement standardPdfFontBoldTextElement = new TextElement(0, 0, "This text uses a standard PDF font with Bold style", standardPdfFontBold);
                pdfDocument.AddElement(standardPdfFontBoldTextElement, 3);

                // Create a standard PDF font with Italic style
                PdfFont standardPdfFontItalic = new PdfFont(StdFontBaseFamily.HelveticaOblique, 10);

                // Add a text element using the standard PDF font with Italic style
                TextElement standardPdfFontItalicTextElement = new TextElement(0, 0, "This text uses a standard PDF font with Italic style", standardPdfFontItalic);
                pdfDocument.AddElement(standardPdfFontItalicTextElement, 3);

                // Add a text element that flows freely in width and height

                string text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Text_Files/Text_File.txt"));

                // Add section title
                titleTextElement = new TextElement(0, 0, "Text Element that flows freely in width and height", titleFont);
                titleTextElement.ForeColor = RgbColor.DarkGreen;
                pdfDocument.AddElement(titleTextElement, -5, 10);

                // Add the text element
                TextElement freeWidthAndHeightTextElement = new TextElement(0, 0, text, embeddedSystemFontNormal);
                pdfDocument.AddElement(freeWidthAndHeightTextElement, 5, 10);

                // Add a text element with a given width that flows freely in height

                // Add section title
                titleTextElement = new TextElement(0, 0, "Text Element with a given width that flows freely in height", titleFont);
                titleTextElement.ForeColor = RgbColor.Navy;
                pdfDocument.AddElement(titleTextElement, -5, 10);

                // Add the text element
                TextElement freeHeightTextElement = new TextElement(0, 0, 400, text, embeddedSystemFontNormal);
                pdfDocument.AddElement(freeHeightTextElement, 5, 10);

                // Add a text element with a given width and height

                // Add section title
                titleTextElement = new TextElement(0, 0, "Text Element with a given width and height", titleFont);
                titleTextElement.ForeColor = RgbColor.DarkGreen;
                pdfDocument.AddElement(titleTextElement, -5, 10);

                // Add the text element
                TextElement boundedTextElement = new TextElement(0, 0, 400, 50, text, embeddedSystemFontNormal);
                pdfDocument.AddElement(boundedTextElement, 5, 10);

                // Add a text element that flows freely on next PDF page

                // Add section title
                titleTextElement = new TextElement(0, 0, "Text Element that flows freely on multiple PDF pages", titleFont);
                titleTextElement.ForeColor = RgbColor.Navy;
                pdfDocument.AddElement(titleTextElement, -5, 10);

                // Add the text element
                string multiPageText = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Text_Files/Large_Text_File.txt"));
                TextElement multiPageTextElement = new TextElement(0, 0, 575, multiPageText, embeddedSystemFontNormal);
                multiPageTextElement.BackColor = RgbColor.WhiteSmoke;
                pdfDocument.AddElement(multiPageTextElement, 5, 10);

                // Add a line at the bottom of the multipage text element

                LineElement bottomLine = new LineElement(0, 0, 100, 0);
                pdfDocument.AddElement(bottomLine, 0, 1);

                pdfPage = pdfDocument.AddPage();

                // Text Elements with Vertical Text

                // Add section title
                titleTextElement = new TextElement(0, 0, "Vertical Text", titleFont);
                titleTextElement.ForeColor = RgbColor.Navy;
                pdfPage.AddElement(titleTextElement);

                // Add a top to bottom vertical text
                string topBottomText = "This is a Top to Bottom Vertical Text";

                TextElement topBottomVerticalTextElement = new TextElement(0, 0, topBottomText, embeddedSystemFontNormal);
                topBottomVerticalTextElement.Translate(25, 50);
                topBottomVerticalTextElement.Rotate(90);
                pdfDocument.AddElement(topBottomVerticalTextElement);

                pdfPage = pdfDocument.AddPage();

                // Add a bottom to top vertical text
                string bottomTopText = "This is a Bottom to Top Vertical Text";
                float bottomTopTextWidth = 200;

                TextElement bottomTopVerticalTextElement = new TextElement(0, 0, bottomTopText, embeddedSystemFontNormal);
                bottomTopVerticalTextElement.Translate(0, bottomTopTextWidth);
                bottomTopVerticalTextElement.Rotate(-90);
                pdfPage.AddElement(bottomTopVerticalTextElement);

                // Add a text stamp to a PDF document

                // Create a PDF font
                PdfFont stampPdfFont = new PdfFont("Times New Roman", 24, true);
                // The stamp text
                string stampText = String.Format("Text Stamp {0}", DateTime.Now.ToString("d"));
                // Measure the text
                float textWidth = 100;
                PdfPage page = pdfDocument.AddPage();
                // Get the PDF page drawable area width and height
                float pdfPageWidth = page.PageSize.Width;
                float pdfPageHeight = page.PageSize.Height;

                // Calculate the PDF page diagonal
                float pdfPageDiagonal = (float)Math.Sqrt(pdfPageWidth * pdfPageWidth + pdfPageHeight * pdfPageHeight);

                // The text location on PDF page diagonal
                float xStampLocation = (pdfPageDiagonal - textWidth) / 2;

                // Create the stamp as a rotated text element
                TextElement stampTextElement = new TextElement(xStampLocation, 0, stampText, stampPdfFont);
                stampTextElement.ForeColor = RgbColor.Coral;
                stampTextElement.Rotate((float)(Math.Atan(pdfPageHeight / pdfPageWidth) * (180 / Math.PI)));
                stampTextElement.Opacity = 75;

                // Add the stamp to PDF page
                page.AddElement(stampTextElement);

                // Save the PDF document in a memory buffer
                byte[] outPdfBuffer = pdfDocument.Save();

                // Send the PDF as response to browser

                // Set response content type
                Response.AddHeader("Content-Type", "application/pdf");

                // Instruct the browser to open the PDF file as an attachment or inline
                Response.AddHeader("Content-Disposition", String.Format("attachment; filename=Text_Elements.pdf; size={0}", outPdfBuffer.Length.ToString()));

                // Write the PDF document buffer to HTTP response
                Response.BinaryWrite(outPdfBuffer);

                // End the HTTP response and stop the current page processing
                Response.End();
            }

            protected void Page_Load(object sender, EventArgs e)
            {
                if (!IsPostBack)
                {
                    sampleCodeLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Code_Samples/CSharp/AspNet/PDF_Creator/Text_Elements.html"));
                    descriptionLiteral.Text = System.IO.File.ReadAllText(Server.MapPath("~/DemoAppFiles/Input/Descriptions/AspNet/PDF_Creator/Text_Elements.html"));

                    Master.CollapseAll();
                    Master.ExpandNode("PDF_Creator");
                    Master.SelectNode("Text_Elements");
                }
            }

            protected void demoMenu_MenuItemClick(object sender, MenuEventArgs e)
            {
                switch (e.Item.Value)
                {
                    case "Live_Demo":
                        demoMultiView.SetActiveView(liveDemoView);
                        break;
                    case "Description":
                        demoMultiView.SetActiveView(descriptionView);
                        break;
                    case "Sample_Code":
                        demoMultiView.SetActiveView(sampleCodeView);
                        break;
                    default:
                        break;
                }
            }
        }
    }