public ActionResult ConvertHtmlToPdf(IFormCollection collection)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
try
{
// Convert a HTML page to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(collection["urlTextBox"]);
string javaScript = null;
if (collection["JavaScriptAction"] == "alertMessageRadioButton")
{
// JavaScript to display an alert mesage
javaScript = String.Format("app.alert(\"{0}\")", collection["alertMessageTextBox"]);
}
else if (collection["JavaScriptAction"] == "printDialogRadioButton")
{
// JavaScript to open the print dialog
javaScript = "print()";
}
else if (collection["JavaScriptAction"] == "zoomLevelRadioButton")
{
// JavaScript to set an initial zoom level
javaScript = String.Format("zoom={0}", int.Parse(collection["zoomLevelTextBox"]));
}
// Set the JavaScript action
pdfDocument.OpenAction.Action = new PdfActionJavaScript(javaScript);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Execute_Acrobat_JavaScript.pdf";
return(fileResult);
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
public ActionResult ConvertHtmlToPdf(IFormCollection collection)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
// Select all images from HTML page
htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementSelectors = new string[] { "img" };
// Exclude the original images from rendering becuase they will be replaced by an image from local file system
htmlToPdfConverter.HiddenHtmlElementsSelectors = new string[] { "img" };
Document pdfDocument = null;
try
{
// Convert a HTML string with images to replace to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(collection["urlTextBox"]);
// Replace the images selected in HTML using special attributes with images from local file system
foreach (HtmlElementMapping imageElementInfo in htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult)
{
PdfPage imagePdfPage = imageElementInfo.PdfRectangles[0].PdfPage;
RectangleF imageRectangle = imageElementInfo.PdfRectangles[0].Rectangle;
ImageElement newImageElement = new ImageElement(imageRectangle.X, imageRectangle.Y, imageRectangle.Width, imageRectangle.Height,
m_hostingEnvironment.ContentRootPath + "/wwwroot" + "/DemoAppFiles/Input/Images/box.jpg");
newImageElement.EnlargeEnabled = true;
imagePdfPage.AddElement(newImageElement);
}
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Replace_with_Higher_Quality_Images.pdf";
return(fileResult);
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
protected void convertToPdfButton_Click(object sender, EventArgs e)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
try
{
// Convert a HTML page to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text);
int goToPageNumber = int.Parse(pageNumberTextBox.Text);
if (goToPageNumber > pdfDocument.Pages.Count)
{
return;
}
// Get destination PDF page
PdfPage goToPage = pdfDocument.Pages[goToPageNumber - 1];
// Get the destination point in PDF page
float goToX = float.Parse(xLocationTextBox.Text);
float goToY = float.Parse(yLocationTextBox.Text);
PointF goToLocation = new PointF(goToX, goToY);
// Get the destination view mode
DestinationViewMode viewMode = SelectedViewMode();
// Create the destination in PDF document
ExplicitDestination goToDestination = new ExplicitDestination(goToPage, goToLocation, viewMode);
// Set the zoom level when the destination is displayed
if (viewMode == DestinationViewMode.XYZ)
{
goToDestination.ZoomPercentage = int.Parse(zoomLevelTextBox.Text);
}
// Set the document Go To open action
pdfDocument.OpenAction.Action = new PdfActionGoTo(goToDestination);
// 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=Go_To_Page_Open_Action.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();
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
protected void convertToPdfButton_Click(object sender, EventArgs e)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
try
{
// Convert a HTML page to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text);
// Get the stamp width and height
float stampWidth = float.Parse(stampWidthTextBox.Text);
float stampHeight = float.Parse(stampHeightTextBox.Text);
// Center the stamp at the top of PDF page
float stampXLocation = (pdfDocument.Pages[0].ClientRectangle.Width - stampWidth) / 2;
float stampYLocation = 0;
RectangleF stampRectangle = new RectangleF(stampXLocation, stampYLocation, stampWidth, stampHeight);
// Create the stamp template to be repeated in each PDF page
Template stampTemplate = pdfDocument.AddTemplate(stampRectangle);
// Create the HTML element to add in stamp template
HtmlToPdfElement stampHtmlElement = new HtmlToPdfElement(htmlStringTextBox.Text, baseUrlTextBox.Text);
// Set the HTML viewer width for the HTML added in stamp
stampHtmlElement.HtmlViewerWidth = 600;
// Fit the HTML content in stamp template
stampHtmlElement.FitWidth = true;
stampHtmlElement.FitHeight = true;
// Add HTML to stamp template
stampTemplate.AddElement(stampHtmlElement);
// 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=Watermarks_and_Stamps.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();
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
protected void convertToPdfButton_Click(object sender, EventArgs e)
{
// Get the server IP and port
String serverIP = textBoxServerIP.Text;
uint serverPort = uint.Parse(textBoxServerPort.Text);
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter(serverIP, serverPort);
// Set optional service password
if (textBoxServicePassword.Text.Length > 0)
{
htmlToPdfConverter.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
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
// Select the HTML elements for which to retrieve location and other information from HTML document
htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementSelectors = new string[] { htmlElementsSelectorTextBox.Text };
// Convert HTML page to a PDF document object which can be further modified to highlight the selected elements
Document pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text);
// Highlight the selected elements in PDF with colored rectangles
for (int i = 0; i < htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.Count; i++)
{
HtmlElementMapping htmlElementInfo = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetByIndex(i);
// Get other information about HTML element
string htmlElementTagName = htmlElementInfo.HtmlElementTagName;
string htmlElementID = htmlElementInfo.HtmlElementId;
// Hightlight the HTML element in PDF
// A HTML element can span over many PDF pages and therefore the mapping of the HTML element in PDF document consists
// in a list of rectangles, one rectangle for each PDF page where this element was rendered
foreach (PdfRectangle htmlElementLocationInPdf in htmlElementInfo.PdfRectangles)
{
// Get the HTML element location in PDF page
PdfPage htmlElementPdfPage = pdfDocument.GetPage(htmlElementLocationInPdf.PageIndex);
RectangleFloat htmlElementRectangleInPdfPage = htmlElementLocationInPdf.Rectangle;
// Highlight the HTML element element with a colored rectangle in PDF
RectangleElement highlightRectangle = new RectangleElement(htmlElementRectangleInPdfPage.X, htmlElementRectangleInPdfPage.Y,
htmlElementRectangleInPdfPage.Width, htmlElementRectangleInPdfPage.Height);
if (htmlElementTagName.ToLower() == "h1")
{
highlightRectangle.ForeColor = RgbColor.Blue;
}
else if (htmlElementTagName.ToLower() == "h2")
{
highlightRectangle.ForeColor = RgbColor.Green;
}
else if (htmlElementTagName.ToLower() == "h3")
{
highlightRectangle.ForeColor = RgbColor.Red;
}
else if (htmlElementTagName.ToLower() == "h4")
{
highlightRectangle.ForeColor = RgbColor.Yellow;
}
else if (htmlElementTagName.ToLower() == "h5")
{
highlightRectangle.ForeColor = RgbColor.Indigo;
}
else if (htmlElementTagName.ToLower() == "h6")
{
highlightRectangle.ForeColor = RgbColor.Orange;
}
else
{
highlightRectangle.ForeColor = RgbColor.Navy;
}
highlightRectangle.LineStyle.LineDashStyle = LineDashStyle.Solid;
htmlElementPdfPage.AddElement(highlightRectangle);
}
}
// 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=Select_in_API_HTML_Elements_to_Retrieve.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();
}
public ActionResult ConvertHtmlToPdf(IFormCollection collection)
{
// Create a HTML to PDF converter object with default settings
htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
// Enable header in the generated PDF document
htmlToPdfConverter.PdfDocumentOptions.ShowHeader = true;
string headerHtmlUrl = m_hostingEnvironment.ContentRootPath + "/wwwroot" + "/DemoAppFiles/Input/HTML_Files/Header_HTML.html";
Document documentObject = null;
try
{
if (collection["AutoResize"] == "autoResizeHeaderRadioButton")
{
// Create a HTML element to be added in header
HtmlToPdfElement headerHtml = new HtmlToPdfElement(headerHtmlUrl);
// Install a handler where to set the automatically calculated header height
headerHtml.NavigationCompletedEvent += new NavigationCompletedDelegate(headerHtml_NavigationCompletedEvent);
// Add the HTML element to header
// When the element is rendered in header by converter, the headerHtml_NavigationCompletedEvent handler
// will be invoked and the header height will be automatically calculated
htmlToPdfConverter.PdfHeaderOptions.AddElement(headerHtml);
// Call the converter to produce a Document object
documentObject = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(collection["urlTextBox"]);
// Uninstall the handler
headerHtml.NavigationCompletedEvent -= new NavigationCompletedDelegate(headerHtml_NavigationCompletedEvent);
// Draw a line at the header bottom
if (drawHeaderLine)
{
float headerWidth = documentObject.Header.Width;
float headerHeight = documentObject.Header.Height;
// Create a line element for the bottom of the header
LineElement headerLine = new LineElement(0, headerHeight - 1, headerWidth, headerHeight - 1);
// Set line color
headerLine.ForeColor = Color.Gray;
// Add line element to the bottom of the header
documentObject.Header.AddElement(headerLine);
}
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = documentObject.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Auto_Resize_Header_Footer.pdf";
return(fileResult);
}
else
{
// Create a HTML to PDF element to be added in header
HtmlToPdfElement headerHtml = new HtmlToPdfElement(headerHtmlUrl);
// Set a fixed header height in points
htmlToPdfConverter.PdfHeaderOptions.HeaderHeight = float.Parse(collection["headerHeightTextBox"]);
// Set the HTML element to fit the container height
headerHtml.FitHeight = true;
// Add HTML element to fit the fixed header height
htmlToPdfConverter.PdfHeaderOptions.AddElement(headerHtml);
// Draw a line at the header bottom
if (drawHeaderLine)
{
// Calculate the header width based on PDF page size and margins
float headerWidth = htmlToPdfConverter.PdfDocumentOptions.PdfPageSize.Width -
htmlToPdfConverter.PdfDocumentOptions.LeftMargin - htmlToPdfConverter.PdfDocumentOptions.RightMargin;
// Calculate header height
float headerHeight = htmlToPdfConverter.PdfHeaderOptions.HeaderHeight;
// Create a line element for the bottom of the header
LineElement headerLine = new LineElement(0, headerHeight - 1, headerWidth, headerHeight - 1);
// Set line color
headerLine.ForeColor = Color.Gray;
// Add line element to the bottom of the header
htmlToPdfConverter.PdfHeaderOptions.AddElement(headerLine);
}
// Convert the HTML page to a PDF document in a memory buffer
byte[] outPdfBuffer = htmlToPdfConverter.ConvertUrl(collection["urlTextBox"]);
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Auto_Resize_Header_Footer.pdf";
return(fileResult);
}
}
finally
{
// Close the PDF document
if (documentObject != null)
{
documentObject.Close();
}
}
}
public ActionResult ConvertHtmlToPdf(IFormCollection collection)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
try
{
// Convert a HTML page to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(collection["urlTextBox"]);
// Get the stamp width and height
float stampWidth = float.Parse(collection["stampWidthTextBox"]);
float stampHeight = float.Parse(collection["stampHeightTextBox"]);
// Center the stamp at the top of PDF page
float stampXLocation = (pdfDocument.Pages[0].ClientRectangle.Width - stampWidth) / 2;
float stampYLocation = 0;
RectangleF stampRectangle = new RectangleF(stampXLocation, stampYLocation, stampWidth, stampHeight);
// Create the stamp template to be repeated in each PDF page
Template stampTemplate = pdfDocument.AddTemplate(stampRectangle);
// Create the HTML element to add in stamp template
HtmlToPdfElement stampHtmlElement = new HtmlToPdfElement(collection["htmlStringTextBox"], collection["baseUrlTextBox"]);
// Set the HTML viewer width for the HTML added in stamp
stampHtmlElement.HtmlViewerWidth = 600;
// Fit the HTML content in stamp template
stampHtmlElement.FitWidth = true;
stampHtmlElement.FitHeight = true;
// Add HTML to stamp template
stampTemplate.AddElement(stampHtmlElement);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Watermarks_and_Stamps.pdf";
return(fileResult);
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
public ActionResult ConvertHtmlToPdf(IFormCollection collection)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
try
{
// Convert a HTML page to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(collection["urlTextBox"]);
int goToPageNumber = int.Parse(collection["pageNumberTextBox"]);
if (goToPageNumber > pdfDocument.Pages.Count)
{
goToPageNumber = 1;
}
// Get destination PDF page
PdfPage goToPage = pdfDocument.Pages[goToPageNumber - 1];
// Get the destination point in PDF page
float goToX = float.Parse(collection["xLocationTextBox"]);
float goToY = float.Parse(collection["yLocationTextBox"]);
PointF goToLocation = new PointF(goToX, goToY);
// Get the destination view mode
DestinationViewMode viewMode = SelectedViewMode(collection["viewModeComboBox"]);
// Create the destination in PDF document
ExplicitDestination goToDestination = new ExplicitDestination(goToPage, goToLocation, viewMode);
// Set the zoom level when the destination is displayed
if (viewMode == DestinationViewMode.XYZ)
{
goToDestination.ZoomPercentage = int.Parse(collection["zoomLevelTextBox"]);
}
// Set the document Go To open action
pdfDocument.OpenAction.Action = new PdfActionGoTo(goToDestination);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Go_To_Page_Open_Action.pdf";
return(fileResult);
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
protected void convertToPdfButton_Click(object sender, EventArgs e)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
try
{
// Convert a HTML page to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text);
string javaScript = null;
if (alertMessageRadioButton.Checked)
{
// JavaScript to display an alert mesage
javaScript = String.Format("app.alert(\"{0}\")", alertMessageTextBox.Text);
}
else if (printDialogRadioButton.Checked)
{
// JavaScript to open the print dialog
javaScript = "print()";
}
else if (zoomLevelRadioButton.Checked)
{
// JavaScript to set an initial zoom level
javaScript = String.Format("zoom={0}", int.Parse(zoomLevelTextBox.Text));
}
// Set the JavaScript action
pdfDocument.OpenAction.Action = new PdfActionJavaScript(javaScript);
// 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=Execute_Acrobat_JavaScript.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();
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
public ActionResult ConvertHtmlToPdf(IFormCollection collection)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
try
{
// Convert HTML page or string with mapping attributes to a PDF document object
// The document can be further modified to highlight the selected elements
if (collection["HtmlPageSource"] == "convertHtmlRadioButton")
{
string htmlWithMappingAttributes = collection["htmlStringTextBox"];
string baseUrl = collection["baseUrlTextBox"];
// Convert a HTML string with mapping attributes to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertHtmlToPdfDocumentObject(htmlWithMappingAttributes, baseUrl);
}
else
{
string url = collection["urlTextBox"];
// Convert a HTML page with mapping attributes to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(url);
}
// Display detailed information about the selected elements
StringBuilder htmlElementInfoBuilder = new StringBuilder();
foreach (HtmlElementMapping htmlElementInfo in htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult)
{
// Get other information about HTML element
string htmlElementTagName = htmlElementInfo.HtmlElementTagName;
string htmlElementID = htmlElementInfo.HtmlElementId;
string htmlElementMappingID = htmlElementInfo.MappingId;
string htmlElementCssClasssName = htmlElementInfo.HtmlElementCssClassName;
string htmlElementHtmlCode = htmlElementInfo.HtmlElementOuterHtml;
string htmlElementInnerHtml = htmlElementInfo.HtmlElementInnerHtml;
string htmlElementText = htmlElementInfo.HtmlElementText;
System.Collections.Specialized.NameValueCollection htmlElementAttributes = htmlElementInfo.HtmlElementAttributes;
HtmlElementPdfRectangle[] htmlElementRectanglesInPdf = htmlElementInfo.PdfRectangles;
htmlElementInfoBuilder.AppendFormat("<br/>---------------------------------------- HTML Element Info ----------------------------------------<br/><br/>");
htmlElementInfoBuilder.AppendFormat("<b>Tag Name:</b> {0}<br/>", htmlElementTagName);
htmlElementInfoBuilder.AppendFormat("<b>Element ID:</b> {0}<br/>", htmlElementID);
htmlElementInfoBuilder.AppendFormat("<b>Mapping ID:</b> {0}<br/>", htmlElementMappingID);
htmlElementInfoBuilder.AppendFormat("<b>Text:</b> {0}<br/>", htmlElementText);
htmlElementInfoBuilder.AppendFormat("<b>Attributes:</b><br/>");
for (int i = 0; i < htmlElementAttributes.Count; i++)
{
htmlElementInfoBuilder.AppendFormat(" {0} = \"{1}\"<br/>", htmlElementAttributes.GetKey(i), htmlElementAttributes.Get(i));
}
htmlElementInfoBuilder.AppendFormat("<b>Location in PDF:</b><br/>");
for (int i = 0; i < htmlElementRectanglesInPdf.Length; i++)
{
PdfPage pdfPage = htmlElementRectanglesInPdf[i].PdfPage;
int pdfPageIndex = htmlElementRectanglesInPdf[i].PageIndex;
RectangleF rectangleInPdfPage = htmlElementRectanglesInPdf[i].Rectangle;
htmlElementInfoBuilder.AppendFormat(" PDF Page Index: {0}<br>", pdfPageIndex);
htmlElementInfoBuilder.AppendFormat(" Rectangle: X = {0:N2} pt , Y = {1:N2} pt , W = {2:N2} pt , H = {3:N2} pt<br/>",
rectangleInPdfPage.X, rectangleInPdfPage.Y, rectangleInPdfPage.Width, rectangleInPdfPage.Height);
}
htmlElementInfoBuilder.AppendFormat("<br/>");
}
PdfPage lastPdfPage = htmlToPdfConverter.ConversionSummary.LastPdfPage;
RectangleF lastPageRectangle = htmlToPdfConverter.ConversionSummary.LastPageRectangle;
HtmlToPdfElement htmlElementInfoHtml = new HtmlToPdfElement(0, lastPageRectangle.Bottom + 1, htmlElementInfoBuilder.ToString(), null);
lastPdfPage.AddElement(htmlElementInfoHtml);
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Select_in_HTML_Elements_to_Retrieve.pdf";
return(fileResult);
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
public ActionResult ConvertHtmlToPdf(IFormCollection collection)
{
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
// Select the HTML elements for which to retrieve location and other information from HTML document
htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementSelectors = new string[] { collection["htmlElementsSelectorTextBox"] };
Document pdfDocument = null;
try
{
// Convert HTML page to a PDF document object which can be further modified to highlight the selected elements
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(collection["urlTextBox"]);
// Highlight the selected elements in PDF with colored rectangles
foreach (HtmlElementMapping htmlElementInfo in htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult)
{
// Get other information about HTML element
string htmlElementTagName = htmlElementInfo.HtmlElementTagName;
string htmlElementID = htmlElementInfo.HtmlElementId;
// Hightlight the HTML element in PDF
// A HTML element can span over many PDF pages and therefore the mapping of the HTML element in PDF document consists
// in a list of rectangles, one rectangle for each PDF page where this element was rendered
foreach (HtmlElementPdfRectangle htmlElementLocationInPdf in htmlElementInfo.PdfRectangles)
{
// Get the HTML element location in PDF page
PdfPage htmlElementPdfPage = htmlElementLocationInPdf.PdfPage;
RectangleF htmlElementRectangleInPdfPage = htmlElementLocationInPdf.Rectangle;
// Highlight the HTML element element with a colored rectangle in PDF
RectangleElement highlightRectangle = new RectangleElement(htmlElementRectangleInPdfPage.X, htmlElementRectangleInPdfPage.Y,
htmlElementRectangleInPdfPage.Width, htmlElementRectangleInPdfPage.Height);
if (htmlElementTagName.ToLower() == "h1")
{
highlightRectangle.ForeColor = Color.Blue;
}
else if (htmlElementTagName.ToLower() == "h2")
{
highlightRectangle.ForeColor = Color.Green;
}
else if (htmlElementTagName.ToLower() == "h3")
{
highlightRectangle.ForeColor = Color.Red;
}
else if (htmlElementTagName.ToLower() == "h4")
{
highlightRectangle.ForeColor = Color.Yellow;
}
else if (htmlElementTagName.ToLower() == "h5")
{
highlightRectangle.ForeColor = Color.Indigo;
}
else if (htmlElementTagName.ToLower() == "h6")
{
highlightRectangle.ForeColor = Color.Orange;
}
else
{
highlightRectangle.ForeColor = Color.Navy;
}
highlightRectangle.LineStyle.LineDashStyle = LineDashStyle.Solid;
htmlElementPdfPage.AddElement(highlightRectangle);
}
}
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = pdfDocument.Save();
// Send the PDF file to browser
FileResult fileResult = new FileContentResult(outPdfBuffer, "application/pdf");
fileResult.FileDownloadName = "Select_in_API_HTML_Elements_to_Retrieve.pdf";
return(fileResult);
}
finally
{
// Close the PDF document
if (pdfDocument != null)
{
pdfDocument.Close();
}
}
}
protected void convertToPdfButton_Click(object sender, EventArgs e)
{
// Create a HTML to PDF converter object with default settings
htmlToPdfConverter = new HtmlToPdfConverter();
// Set license key received after purchase to use the converter in licensed mode
// Leave it not set to use the converter in demo mode
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
// Enable header in the generated PDF document
htmlToPdfConverter.PdfDocumentOptions.ShowHeader = true;
string headerHtmlUrl = Server.MapPath("~/DemoAppFiles/Input/HTML_Files/Header_HTML.html");
Document documentObject = null;
try
{
if (autoResizeHeaderRadioButton.Checked)
{
// Create a HTML element to be added in header
HtmlToPdfElement headerHtml = new HtmlToPdfElement(headerHtmlUrl);
// Install a handler where to set the automatically calculated header height
headerHtml.NavigationCompletedEvent += new NavigationCompletedDelegate(headerHtml_NavigationCompletedEvent);
// Add the HTML element to header
// When the element is rendered in header by converter, the headerHtml_NavigationCompletedEvent handler
// will be invoked and the header height will be automatically calculated
htmlToPdfConverter.PdfHeaderOptions.AddElement(headerHtml);
// Call the converter to produce a Document object
documentObject = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text);
// Uninstall the handler
headerHtml.NavigationCompletedEvent -= new NavigationCompletedDelegate(headerHtml_NavigationCompletedEvent);
// Draw a line at the header bottom
if (drawHeaderLine)
{
float headerWidth = documentObject.Header.Width;
float headerHeight = documentObject.Header.Height;
// Create a line element for the bottom of the header
LineElement headerLine = new LineElement(0, headerHeight - 1, headerWidth, headerHeight - 1);
// Set line color
headerLine.ForeColor = Color.Gray;
// Add line element to the bottom of the header
documentObject.Header.AddElement(headerLine);
}
// Save the PDF document in a memory buffer
byte[] outPdfBuffer = documentObject.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=Auto_Resize_Header_Footer.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();
}
else
{
// Create a HTML to PDF element to be added in header
HtmlToPdfElement headerHtml = new HtmlToPdfElement(headerHtmlUrl);
// Set a fixed header height in points
htmlToPdfConverter.PdfHeaderOptions.HeaderHeight = float.Parse(headerHeightTextBox.Text);
// Set the HTML element to fit the container height
headerHtml.FitHeight = true;
// Add HTML element to fit the fixed header height
htmlToPdfConverter.PdfHeaderOptions.AddElement(headerHtml);
// Draw a line at the header bottom
if (drawHeaderLine)
{
// Calculate the header width based on PDF page size and margins
float headerWidth = htmlToPdfConverter.PdfDocumentOptions.PdfPageSize.Width -
htmlToPdfConverter.PdfDocumentOptions.LeftMargin - htmlToPdfConverter.PdfDocumentOptions.RightMargin;
// Calculate header height
float headerHeight = htmlToPdfConverter.PdfHeaderOptions.HeaderHeight;
// Create a line element for the bottom of the header
LineElement headerLine = new LineElement(0, headerHeight - 1, headerWidth, headerHeight - 1);
// Set line color
headerLine.ForeColor = Color.Gray;
// Add line element to the bottom of the header
htmlToPdfConverter.PdfHeaderOptions.AddElement(headerLine);
}
// Convert the HTML page to a PDF document in a memory buffer
byte[] outPdfBuffer = htmlToPdfConverter.ConvertUrl(urlTextBox.Text);
// 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=Auto_Resize_Header_Footer.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();
}
}
finally
{
// Close the PDF document
if (documentObject != null)
{
documentObject.Close();
}
}
}
protected void convertToPdfButton_Click(object sender, EventArgs e)
{
// Get the server IP and port
String serverIP = textBoxServerIP.Text;
uint serverPort = uint.Parse(textBoxServerPort.Text);
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter(serverIP, serverPort);
// Set optional service password
if (textBoxServicePassword.Text.Length > 0)
{
htmlToPdfConverter.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
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
// Select all images from HTML page
htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementSelectors = new string[] { "img" };
// Exclude the original images from rendering becuase they will be replaced by an image from local file system
htmlToPdfConverter.HiddenHtmlElementsSelectors = new string[] { "img" };
// Convert a HTML string with images to replace to a PDF document object
Document pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(urlTextBox.Text);
// Replace the images selected in HTML using special attributes with images from local file system
int mappingsCount = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.Count;
for (int i = 0; i < mappingsCount; i++)
{
HtmlElementMapping imageElementInfo = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetByIndex(i);
PdfPage imagePdfPage = pdfDocument.GetPage(imageElementInfo.PdfRectangles[0].PageIndex);
RectangleFloat imageRectangle = imageElementInfo.PdfRectangles[0].Rectangle;
ImageElement newImageElement = new ImageElement(imageRectangle.X, imageRectangle.Y, imageRectangle.Width, imageRectangle.Height,
Server.MapPath("~/DemoAppFiles/Input/Images/box.jpg"));
newImageElement.EnlargeEnabled = true;
imagePdfPage.AddElement(newImageElement);
}
// 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=Replace_with_Higher_Quality_Images.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 convertToPdfButton_Click(object sender, EventArgs e)
{
// Get the server IP and port
String serverIP = textBoxServerIP.Text;
uint serverPort = uint.Parse(textBoxServerPort.Text);
// Create a HTML to PDF converter object with default settings
HtmlToPdfConverter htmlToPdfConverter = new HtmlToPdfConverter(serverIP, serverPort);
// Set optional service password
if (textBoxServicePassword.Text.Length > 0)
{
htmlToPdfConverter.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
htmlToPdfConverter.LicenseKey = "4W9+bn19bn5ue2B+bn1/YH98YHd3d3c=";
// Set an adddional delay in seconds to wait for JavaScript or AJAX calls after page load completed
// Set this property to 0 if you don't need to wait for such asynchcronous operations to finish
htmlToPdfConverter.ConversionDelay = 2;
Document pdfDocument = null;
// Convert HTML page or string with mapping attributes to a PDF document object
// The document can be further modified to highlight the selected elements
if (convertHtmlRadioButton.Checked)
{
string htmlWithMappingAttributes = htmlStringTextBox.Text;
string baseUrl = baseUrlTextBox.Text;
// Convert a HTML string with mapping attributes to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertHtmlToPdfDocumentObject(htmlWithMappingAttributes, baseUrl);
}
else
{
string url = urlTextBox.Text;
// Convert a HTML page with mapping attributes to a PDF document object
pdfDocument = htmlToPdfConverter.ConvertUrlToPdfDocumentObject(url);
}
// Display detailed information about the selected elements
StringBuilder htmlElementInfoBuilder = new StringBuilder();
for (int mappingIndex = 0; mappingIndex < htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.Count; mappingIndex++)
{
HtmlElementMapping htmlElementInfo = htmlToPdfConverter.HtmlElementsMappingOptions.HtmlElementsMappingResult.GetByIndex(mappingIndex);
// Get other information about HTML element
string htmlElementTagName = htmlElementInfo.HtmlElementTagName;
string htmlElementID = htmlElementInfo.HtmlElementId;
string htmlElementMappingID = htmlElementInfo.MappingId;
string htmlElementCssClasssName = htmlElementInfo.HtmlElementCssClassName;
string htmlElementHtmlCode = htmlElementInfo.HtmlElementOuterHtml;
string htmlElementInnerHtml = htmlElementInfo.HtmlElementInnerHtml;
string htmlElementText = htmlElementInfo.HtmlElementText;
NameValuePairsCollection htmlElementAttributes = htmlElementInfo.HtmlElementAttributes;
PdfRectangle[] htmlElementRectanglesInPdf = htmlElementInfo.PdfRectangles;
htmlElementInfoBuilder.AppendFormat("<br/>---------------------------------------- HTML Element Info ----------------------------------------<br/><br/>");
htmlElementInfoBuilder.AppendFormat("<b>Tag Name:</b> {0}<br/>", htmlElementTagName);
htmlElementInfoBuilder.AppendFormat("<b>Element ID:</b> {0}<br/>", htmlElementID);
htmlElementInfoBuilder.AppendFormat("<b>Mapping ID:</b> {0}<br/>", htmlElementMappingID);
htmlElementInfoBuilder.AppendFormat("<b>Text:</b> {0}<br/>", htmlElementText);
htmlElementInfoBuilder.AppendFormat("<b>Attributes:</b><br/>");
for (int i = 0; i < htmlElementAttributes.Count; i++)
{
NameValuePair nameValuePair = htmlElementAttributes.GetByIndex(i);
htmlElementInfoBuilder.AppendFormat(" {0} = \"{1}\"<br/>", nameValuePair.Name, nameValuePair.Value);
}
htmlElementInfoBuilder.AppendFormat("<b>Location in PDF:</b><br/>");
for (int i = 0; i < htmlElementRectanglesInPdf.Length; i++)
{
PdfPage pdfPage = pdfDocument.GetPage(htmlElementRectanglesInPdf[i].PageIndex);
int pdfPageIndex = htmlElementRectanglesInPdf[i].PageIndex;
RectangleFloat rectangleInPdfPage = htmlElementRectanglesInPdf[i].Rectangle;
htmlElementInfoBuilder.AppendFormat(" PDF Page Index: {0}<br>", pdfPageIndex);
htmlElementInfoBuilder.AppendFormat(" Rectangle: X = {0:N2} pt , Y = {1:N2} pt , W = {2:N2} pt , H = {3:N2} pt<br/>",
rectangleInPdfPage.X, rectangleInPdfPage.Y, rectangleInPdfPage.Width, rectangleInPdfPage.Height);
}
htmlElementInfoBuilder.AppendFormat("<br/>");
}
PdfPage lastPdfPage = pdfDocument.GetPage(htmlToPdfConverter.ConversionSummary.LastPageIndex);
RectangleFloat lastPageRectangle = htmlToPdfConverter.ConversionSummary.LastPageRectangle;
HtmlToPdfElement htmlElementInfoHtml = new HtmlToPdfElement(0, lastPageRectangle.Y + lastPageRectangle.Height + 1, htmlElementInfoBuilder.ToString(), null);
lastPdfPage.AddElement(htmlElementInfoHtml);
// 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=Select_in_HTML_Elements_to_Retrieve.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();
}