PDF Text

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Hosting;

using HiQPdfClient;
using Microsoft.AspNetCore.Hosting.Server;

namespace HiQPdf_Demo.Controllers
{
    public class PdfTextDemoController : Controller
    {
        IWebHostEnvironment m_hostingEnvironment;
        public PdfTextDemoController(IWebHostEnvironment hostingEnvironment)
        {
            m_hostingEnvironment = hostingEnvironment;
        }

        // GET: PdfTextDemo
        public ActionResult Index()
        {
            return View();
        }

        [HttpPost]
        public ActionResult CreatePdf(IFormCollection collection)
        {
            string serverIP = collection["textBoxServerIP"];
            uint serverPort = uint.Parse(collection["textBoxServerPort"]);
            string serverPassword = collection["textBoxServerPassword"];

            // create a PDF document
            PdfDocument document = new PdfDocument(serverIP, serverPort);

            // use server password if necessary
            if (serverPassword.Length > 0)
                document.ServerPassword = serverPassword;

            // set a demo serial number
            document.SerialNumber = "YCgJMTAE-BiwJAhIB-EhlWTlBA-UEBRQFBA-U1FOUVJO-WVlZWQ==";

            // create a page in document
            PdfPage page1 = document.AddPage();

            // create the true type fonts that can be used in document text
            PdfFont pdfFont = document.CreateFontFromName("Times New Roman", 10, false);
            PdfFont pdfFontEmbed = document.CreateFontFromName("Times New Roman", 10, true);

            PdfFont pdfFontBoldEmbed = document.CreateFontFromName("Times New Roman", 10, true);
            pdfFontBoldEmbed.Bold = true;

            // create a standard Helvetica Type 1 font that can be used in document text
            PdfFont helveticaStdFont = document.CreateStandardFont(PdfStandardFont.Helvetica, 10);

            float startYPos = 20;
            float startXPos = 5;

            string dummyText = @"Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";

            #region Layout a text that expands to the right edge of the PDF page

            PdfText titleTextAtLocation = new PdfText(startXPos, startYPos,
                    "The text below extends from the layout position to the right edge of the PDF page:", pdfFontBoldEmbed);
            titleTextAtLocation.ForeColor = PdfColor.Navy;
            page1.Layout(titleTextAtLocation);

            PdfText textExpandsToRightEdge = new PdfText(0, 0, dummyText, pdfFont);
            textExpandsToRightEdge.BackColor = PdfColor.WhiteSmoke;
            document.Layout(textExpandsToRightEdge, 50, 10);

            // draw a rectangle around the text
            PdfRectangle borderPdfRectangle = new PdfRectangle(new RectangleFloat(0, 0, 0, 0));
            borderPdfRectangle.LineStyle.LineWidth = 0.5f;
            document.Layout(borderPdfRectangle);

            #endregion

            #region Layout a text with width limit

            PdfText titleTextWithWidth = new PdfText(0, 0,
                    "The text below is limited by a given width and has a free height:", pdfFontBoldEmbed);
            titleTextWithWidth.ForeColor = PdfColor.Navy;
            document.Layout(titleTextWithWidth, startXPos, false, 10, true);

            PdfText textWithWidthLimit = new PdfText(0, 0, 300, dummyText, pdfFont);
            textWithWidthLimit.BackColor = PdfColor.WhiteSmoke;
            document.Layout(textWithWidthLimit, 50, 10);


            // draw a rectangle around the text
            borderPdfRectangle = new PdfRectangle(new RectangleFloat(0, 0, 0, 0));
            borderPdfRectangle.LineStyle.LineWidth = 0.5f;
            document.Layout(borderPdfRectangle);

            #endregion

            #region Layout a text with width and height limits

            PdfText titleTextWithWidthAndHeight = new PdfText(0, 0,
                    "The text below is limited by a given width and height and is trimmed:", pdfFontBoldEmbed);
            titleTextWithWidthAndHeight.ForeColor = PdfColor.Navy;
            document.Layout(titleTextWithWidthAndHeight, startXPos, false, 10, true);

            PdfText textWithWidthAndHeightLimit = new PdfText(0, 0, 300, 50, dummyText, pdfFont);
            textWithWidthAndHeightLimit.BackColor = PdfColor.WhiteSmoke;
            document.Layout(textWithWidthAndHeightLimit, 50, 10);

            // draw a rectangle around the text
            borderPdfRectangle = new PdfRectangle(new RectangleFloat(0, 0, 0, 0));
            borderPdfRectangle.LineStyle.LineWidth = 0.5f;
            document.Layout(borderPdfRectangle);

            #endregion

            #region Layout a text with standard font

            PdfText textWithStandardFont = new PdfText(0, 0, "This green text is written with a Helvetica Standard Type 1 font", helveticaStdFont);
            textWithStandardFont.BackColor = PdfColor.WhiteSmoke;
            textWithStandardFont.ForeColor = PdfColor.Green;
            document.Layout(textWithStandardFont, startXPos, false, 10, true);

            #endregion

            #region Layout a rotated text

            PdfText titleRotatedText = new PdfText(0, 0, "The text below is rotated:", pdfFontBoldEmbed);
            titleRotatedText.ForeColor = PdfColor.Navy;
            document.Layout(titleRotatedText, startXPos, false, 10, true);

            string counterRotatedText = "This text is rotated 45 degrees counter clockwise";

            PdfText rotatedCounterClockwiseText = new PdfText(0, 0, counterRotatedText, pdfFontEmbed);
            rotatedCounterClockwiseText.SetRotationAngle(-45);
            document.Layout(rotatedCounterClockwiseText, startXPos + 100, false, 150, true);

            string clockwiseRotatedText = "This text is rotated 45 degrees clockwise";

            PdfText rotatedClockwiseText = new PdfText(0, 0, clockwiseRotatedText, pdfFontEmbed);
            rotatedClockwiseText.SetRotationAngle(45);
            document.Layout(rotatedClockwiseText, 0, true, true, 0, true, false);

            #endregion

            #region Layout an automatically paginated text

            string dummyBigText = System.IO.File.ReadAllText(m_hostingEnvironment.WebRootPath + "/DemoFiles/Text/DummyBigText.txt");

            PdfText titleTextPaginated = new PdfText(0, 0,
                    "The text below is automatically paginated when it gets to the bottom of this page:", pdfFontBoldEmbed);
            titleTextPaginated.ForeColor = PdfColor.Navy;
            document.Layout(titleTextPaginated, startXPos, false, true, 140, true, false);

            PdfText paginatedText = new PdfText(0, 0, 300, dummyBigText, pdfFont);
            paginatedText.BackColor = PdfColor.WhiteSmoke;
            paginatedText.Cropping = false;
            document.Layout(paginatedText, 50, 10);

            // draw a line at the bottom of the text on the second page
            PointFloat leftPoint = new PointFloat(0, 0);
            PointFloat rightPoint = new PointFloat(300, 0);
            PdfLine borderLine = new PdfLine(leftPoint, rightPoint);
            borderLine.LineStyle.LineWidth = 0.5f;
            document.Layout(borderLine);

            #endregion

            try
            {
                // write the PDF document to a memory buffer
                byte[] pdfBuffer = document.WriteToMemory();

                FileResult fileResult = new FileContentResult(pdfBuffer, "application/pdf");
                fileResult.FileDownloadName = "PdfText.pdf";

                return fileResult;
            }
            finally
            {
                document.Close();
            }
        }
    }
}