In Place HTML to PDF Object

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;

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

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

        [HttpPost]
        public ActionResult ConvertToPdf(IFormCollection collection)
        {
            m_formCollection = collection;

            string serverIP = collection["textBoxServerIP"];
            uint serverPort = uint.Parse(collection["textBoxServerPort"]);
            string serverPassword = collection["textBoxServerPassword"];

            // create an empty 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==";

            // add a page to document
            PdfPage page1 = document.AddPage(PdfPageSize.A4, new PdfMargins(5), PdfPageOrientation.Portrait);

            try
            {
                // set the document header and footer before adding any objects to document
                SetHeader(document);
                SetFooter(document);

                // layout the HTML from URL 1
                PdfHtml html1 = new PdfHtml(collection["textBoxUrl1"]);
                html1.WaitBeforeConvert = 2;
                page1.Layout(html1);

                if (collection["checkBoxNewPage"].Count > 0)
                {
                    // URL 2 is laid out on a new page with the selected orientation
                    PdfPage page2 = document.AddPage(PdfPageSize.A4, new PdfMargins(5), GetSelectedPageOrientation());

                    // layout the HTML from URL 2
                    PdfHtml html2 = new PdfHtml(collection["textBoxUrl2"]);
                    html2.WaitBeforeConvert = 2;
                    page2.Layout(html2);
                }
                else
                {
                    // URL 2 is laid out immediately after URL 1
                    // using the document realtive flow layout
                    PdfHtml html2 = new PdfHtml(collection["textBoxUrl2"]);
                    html2.WaitBeforeConvert = 2;
                    document.Layout(html2);
                }

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

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

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

        private void SetHeader(PdfDocument document)
        {
            if (m_formCollection["checkBoxAddHeader"].Count == 0)
                return;

            // create the document header
            document.CreateHeaderCanvas(50);

            // add PDF objects to the header canvas
            string headerImageFile = m_hostingEnvironment.WebRootPath + "/DemoFiles/Images/HiQPdfLogo.png";
            PdfImage logoHeaderImage = new PdfImage(5, 5, 40, headerImageFile);
            document.Header.Layout(logoHeaderImage);

            // layout HTML in header
            PdfHtml headerHtml = new PdfHtml(50, 5, @"<span style=""color:Navy; font-family:Times New Roman; font-style:italic"">
                            Quickly Create High Quality PDFs with </span><a href=""http://www.hiqpdf.com"">HiQPdf</a>", null);
            headerHtml.FitDestHeight = true;
            headerHtml.FontEmbedding = true;
            document.Header.Layout(headerHtml);

            PdfPage startPage = document.Pages[0];
            float headerWidth = startPage.Size.Width - startPage.Margins.Left - startPage.Margins.Right;
            float headerHeight = document.Header.Height;

            // create a border for header
            PdfRectangle borderRectangle = new PdfRectangle(1, 1, headerWidth - 2, headerHeight - 2);
            borderRectangle.LineStyle.LineWidth = 0.5f;
            borderRectangle.ForeColor = PdfColor.Navy;
            document.Header.Layout(borderRectangle);
        }

        private void SetFooter(PdfDocument document)
        {
            if (m_formCollection["checkBoxAddFooter"].Count == 0)
                return;

            //create the document footer
            document.CreateFooterCanvas(50);

            // layout HTML in footer
            PdfHtml footerHtml = new PdfHtml(5, 5, @"<span style=""color:Navy; font-family:Times New Roman; font-style:italic"">
                            Quickly Create High Quality PDFs with </span><a href=""http://www.hiqpdf.com"">HiQPdf</a>", null);
            footerHtml.FitDestHeight = true;
            footerHtml.FontEmbedding = true;
            document.Footer.Layout(footerHtml);

            PdfPage startPage = document.Pages[0];
            float footerWidth = startPage.Size.Width - startPage.Margins.Left - startPage.Margins.Right;
            float footerHeight = document.Footer.Height;

            // add page numbering
            PdfFont pageNumberingFont = new PdfFont("Times New Roman", 8, true);
            PdfText pageNumberingText = new PdfText(5, footerHeight - 12, "Page {CrtPage} of {PageCount}", pageNumberingFont);
            pageNumberingText.HorizontalAlign = PdfTextHAlign.Center;
            pageNumberingText.EmbedSystemFont = true;
            pageNumberingText.ForeColor = PdfColor.DarkGreen;
            document.Footer.Layout(pageNumberingText);

            string footerImageFile =m_hostingEnvironment.WebRootPath + "/DemoFiles/Images/HiQPdfLogo.png";
            PdfImage logoFooterImage = new PdfImage(footerWidth - 40 - 5, 5, 40, footerImageFile);
            document.Footer.Layout(logoFooterImage);

            // create a border for footer
            PdfRectangle borderRectangle = new PdfRectangle(1, 1, footerWidth - 2, footerHeight - 2);
            borderRectangle.LineStyle.LineWidth = 0.5f;
            borderRectangle.ForeColor = PdfColor.DarkGreen;
            document.Footer.Layout(borderRectangle);
        }

        private PdfPageOrientation GetSelectedPageOrientation()
        {
            return m_formCollection["dropDownListPageOrientations"] == "Portrait" ?
                PdfPageOrientation.Portrait : PdfPageOrientation.Landscape;
        }
    }
}