Creating PDF Documents with ASP.NET and iTextSharp By Introduction The is a popular file format for documents. Due to their ubiquity and layout capabilities, it's not uncommon for a websites to use PDF technology. For example, an eCommerce store may offer a 'printable receipt' option that, when selected, displays a PDF file within the browser. Last week's article, looked at how to work with a special kind of PDF document, namely one that has one or more fields defined.
A PDF document can contain various types of user interface elements, which are referred to as fields. For instance, there is a text field, a checkbox field, a combobox field, and more. Typically, the person viewing the PDF on her computer interacts with the document's fields; however, it is possible to enumerate and fill a PDF's fields programmatically, as we saw in last week's article. This article continues our investigation into, a.NET open source library for PDF generation, showing how to use iTextSharp to create PDF documents from scratch. We start with an example of how to programmatically define and piece together paragraphs, tables, and images into a single PDF file. Following that, we explore how to use iTextSharp's built-in capabilities to convert HTML into PDF.
Read on to learn more!
LEADTOOLS Document SDK products include comprehensive technology to read, write, and view PDF files. LEADTOOLS PDF technology includes advanced capabilities such as the extraction of text, images, hyperlinks and metadata, editing of bookmarks and annotations, page replacement, split and merge existing PDF documents, convert to PDF/A, linearization, and PDF document compression.
Combined with advanced rasterization and image display technology, developers can take advantage of these tools to enhance their applications with dynamic document viewing, editing, and assembly features. Furthermore, programmers using.NET (C# & VB), C/C, iOS, macOS, Linux, Java, and web can leverage state-of-the-art OCR, OMR, ICR, Forms Recognition, Virtual Printing, and scanning technologies within LEADTOOLS to create any type of document and medical imaging application that utilizes the PDF format. Tested against thousands of PDF documents, LEADTOOLS PDF SDK technology provides impeccable rendering accuracy that tops many market-leading PDF reading applications. LEADTOOLS accounts for common errors and differences between PDF file versions to give programmers peace of mind, minimize their testing phase, and create the best PDF applications on the market. Load and view any PDF document.
Extract text (characters, words, and lines), fonts, annotations, rectangles, and hyperlinks with location and size. Extract images from PDF documents and save to any of the. Full support to read, edit, and write PDF annotations. Parse the document structure by reading and updating PDF bookmarks (table of contents) and internal links (jumps).
Unicode support including Chinese, Japanese, Arabic, and Hebrew character-sets. Generate a raster image and thumbnail of any page PDF File Features.
LEADTOOLS supports reading, displaying, editing, and writing PDF annotations and markups that work seamlessly with Adobe Acrobat and other compliant PDF readers. Annotation is an important feature in document imaging, as it allows users to communicate with each other by writing comments and drawing shapes on top of the document without making permanent changes. Support for all PDF annotation and markup objects. Arrow. Comment.
Highlight. Line. Review. Shapes. Text. Options to control annotation rendering when loading PDF as raster with support for No Appearance Stream annotations. Convert PDF annotations to and from LEADTOOLS annotations for live editing.
Fully functional sample application with source code that implements all of the PDF reading, writing, editing, and annotation features OCR PDF Output. LEADTOOLS allows developers to easily convert any image into a searchable PDF. Searchable PDFs are generally smaller in size than the comparable raster image and the embedded text can be searched, indexed, and edited.
In addition to handling text-based PDF files, LEADTOOLS fully supports loading, saving, and editing raster image PDFs. This includes rasterizing any text and image-based PDF into thumbnails and full-size document images, as well as converting single and multi-page image formats such as JPEG and TIFF into image-based PDF files. Convert any PDF file to and from more than. Multiple PDF versions and flavors including 1.2 - 1.7 and PDF/A. Multiple Compression options, including:. JPEG. JPEG 2000.
CCITT G3/G4. JBIG2. LZW. MRC.
Specify RGB or CMYK color space. Convert entire file or only specified pages. Encrypt and decrypt PDF documents using RC4 40-bit and RC4 128-bit encryption.
Control access to the PDF document with User and Owner passwords. Load PDF from disk, memory, Internet, and SharePoint PDF Rasterization Options At the heart of PDF-to-image conversion is the rasterization process. By nature, PDF documents are made up of vector objects such as text and 2d images. These objects have a relative location based on the physical, printed dimensions.
This means that PDFs are dynamic documents that can be rasterized to any pixel dimension based on the DPI (Dots Per Inch) while preserving a high-quality display. LEADTOOLS provides maximum flexibility when rasterizing PDF files and allows the developer to control the quality, size, color, and more.
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Automatically detect the best rasterization options by examining the contents of the PDF. Load at any DPI to control overall quality and file size.
Load at 1, 8, or 24 bits per pixel. Render fonts with 2 or 4-bit anti-aliasing resulting in a more readable image. Display CIDFonts not embedded in PDF file.
Detect original DPI of embedded raster images. Rescale embedded graphics with 2 and 4-bit anti-aliasing to retain original image quality and reduced graininess Vector PDF Features. Maintain quality while maximizing PDF compression with LEADTOOLS advanced and compression technologies. The resulting compressed PDF can be loaded and viewed in any PDF viewer that supports standard PDF files. By storing complex, this process creates PDF files with better compression and quality than a standard raster PDF file.
Automatically segment the image with optimization options. Manually segment the image to take full control over file size and image quality optimization. Multiple compression options, including:. JPEG. JPEG 2000.
Compress single and multi-page PDF files Explanation of PDF File Types. In general, PDF and PDF/A files can be categorized into two basic types: raster image and searchable. Raster image PDFs are comprised of a complete raster image in a PDF wrapper and support multiple compression types including JPEG, JPEG 2000, CCITT G3/G4, JBIG2, LZW, and MRC. The greatest advantage of raster image PDFs is that they appear identical to the original document. On the other hand, searchable PDFs are often smaller in size and the text can be searched and edited.
When converting from raster images to searchable PDFs, the formatting of the original image is often modified. To alleviate this concern, LEAD has implemented a hybrid type of PDF known as 'image over text'. In image-over-text PDF files, the text is formatted as usual, but the original raster image is overlaid on top of the text. This maintains the look and formatting of the original raster image while still allowing the text content to be searched, selected, and copied.
Technology Related to PDF. Download the Full Evaluation The includes all LEADTOOLS Document, Medical, Imaging, and Vector technologies for all development and target platforms. Code Tips That use PDF. — 20, C#, VB.NET. — 20, C#, VB.NET.
— 20, C#, VB.NET. — 20, C#. — 20, C#. — 20, C# Documentation Links for PDF. White Papers Written About PDF. Electronic document archival has evolved far beyond the simple days of scanning a paper document and saving it as an image or PDF. Nowadays, many documents don't even start in physical form and could be one of many open or proprietary formats.
Adding to the disparity caused by varying file formats is how and where files are stored. Many enterprises have their documents spread around numerous 'data islands' including local computers, networked file shares, and cloud services. This white paper will explore how to take full advantage of PDF/A as your universal document storage format by using the state-of-the-art technology within LEADTOOLS Document Imaging SDKs. When it comes to change, the desire for efficiency is surely at or near the top of the list of reasons.
Some processes and industries are harder to change, especially those that have been around for a long time. Court systems in many countries are one of the oldest and most well established processes to ensure all-around fairness, even if it must sacrifice expediency.
Thankfully, the legal industry has taken major strides towards adapting to the digital age with the evolution of eDiscovery and document imaging. Demo Applications that Include PDF Use the LEADTOOLS in an HTML5/JavaScript application. Ea sports cricket 2005 setup download. Load a document from local disk and url.
Draw annotations on the document. Use thumbnail viewer. Interactive zooming/panning Demonstrates in a WinForms application.
View documents, vector, and raster image formats in one viewer. Document-specific interactive tools. View and edit complex document objects and features. Fully-customizable user interface uses generic parent containers. Maximize performance and conserve system resources through efficient large-document paging and thumbnail browsing with configurable lazy-loading. Robust options and functions to manage local, global, and web cache on any device Demonstrates in a WinForms application. Convert document and raster image files.
Perform document-to-document conversion with 100% accuracy and without the need for OCR. Convert complex document objects and features. Convert raster images to documents with OCR. Convert document files to raster images. LEADTOOLS SDK Products that Include PDF (Excludes SVG-based PDF Viewing and Conversion) LEADTOOLS PDF Pro provides everything developers need to read, write, raster-view, and update PDF files. It also includes advanced capabilities such as the extraction of text, images, hyperlinks, and metadata, manipulation of pages in existing PDF documents, conversion to PDF/A as a real document, linearization, and the LEADTOOLS PDF Optimizer to reduce the size of PDF files.
By building upon the award-winning LEADTOOLS Imaging Pro features which includes 150+ image formats, image compression, image processing, image viewers, imaging common dialogs, 200+ display effects, TWAIN and WIA scanning, screen capture, and printing, LEADTOOLS PDF Pro is one of the best values available. (Excludes SVG-based PDF Viewing and Conversion) LEADTOOLS Pro Suite is a an extensive bundle in the LEADTOOLS Pro line of SDKs and includes HTML5 Zero-footprint image viewers, barcode detect/read/write, advanced PDF read/write/view/edit, 150+ image formats, image compression, image processing, image viewers, imaging common dialogs, 200+ display effects, TWAIN and WIA scanning, screen capture, and printing. Developers using LEADTOOLS Pro Suite can develop robust imaging applications and solutions at a fraction of the cost of similar feature sets found elsewhere on the market. Develop powerful document imaging applications with LEADTOOLS Document Imaging.
Features include PDF viewing and editing, comprehensive image annotating, specialized bitonal image displaying, and image processing. Other features include performance and memory optimizations for bitonal images, document image cleanup, including inverted text, border, hole-punch, and line removal, and scanning with LEADTOOLS Fast TWAIN and WIA.
The LEADTOOLS Recognition Imaging SDK is a handpicked collection of LEADTOOLS SDK features designed to build end-to-end document imaging applications within enterprise-level document automation solutions that require OCR, MICR, OMR, barcode, forms recognition and processing, PDF, print capture, archival, annotation, and image viewing functionality. This powerful set of tools utilizes LEAD's award-winning image processing technology to intelligently identify document features that can be used to recognize and extract data from any type of scanned or faxed form image.
The LEADTOOLS Document Imaging Suite SDK is a comprehensive collection of LEADTOOLS SDK features designed to build end-to-end document imaging solutions that require OCR, MICR, OMR, ICR, barcode, forms recognition and processing, PDF, HTML5 Zero-footprint viewing, conversion, print, capture, archival, annotation, and image viewing functionality. This powerful set of tools utilizes LEAD's award-winning image processing technology to intelligently identify document features that can be used to recognize and extract data from any type of scanned or faxed form image. Develop powerful Medical Imaging applications with the LEADTOOLS Medical Imaging SDK. Features include comprehensive DICOM data set support, 8-16 bit extended grayscale image support, image annotation, specialized extended grayscale image display such as window level and LUT processing, and medical-specific image processing. Other features include lossless JPEG compression, and signed and unsigned image data processing.
Develop robust DICOM PACS applications with LEADTOOLS PACS Imaging. Features include Medical Web Viewer Framework, high and low-level PACS SCP and SCU functions and controls, secure PACS communication, comprehensive DICOM data set support, image annotation, extended grayscale image display such as window level and LUT processing, and specialized medical image processing. Other features include lossless JPEG compression, JPIP, MRTI, and signed and unsigned image data processing. Develop powerful PACS and Medical imaging applications with LEADTOOLS Medical Imaging Suite. Features include LEAD's Zero-footprint HTML5 DICOM Viewer, Medical Web Viewer Framework, Medical 3D, DICOM Multimedia codecs, high and low-level PACS SCP and SCU functions and controls, secure PACS communication, Print to PACS, comprehensive DICOM data set support, image annotation, extended grayscale image display such as window level and LUT processing, DICOM Hanging Protocol, and specialized medical image processing. Other features include lossless JPEG compression, JPIP, and signed and unsigned image data processing.
Creating iTextSharp’s Document & Writer When you Create a Pdf file, the first step is to create a Document and a PdfWriter. Then you need to open the Document. Document pdfDoc = new Document(PageSize.A4, 25, 25, 25, 15); PdfWriter pdfWriter = PdfWriter.GetInstance(pdfDoc, Response.OutputStream); pdfDoc.Open; Here I created the Document and set the page size as A4 and provided margins to it. Then I created an instance of PdfWriter classes and attached it to the Document. On the 3rd line of code I opened the Document. Creating the PDF file When you have to Create a Pdf file then use the following code: pdfWriter.CloseStream = false; pdfDoc.Close; Response.Buffer = true; Response.ContentType = 'application/pdf'; Response.AddHeader('content-disposition', 'attachment;filename=Credit-Card-Report.pdf'); Response.Cache.SetCacheability(HttpCacheability.NoCache); Response.Write(pdfDoc); Response.End; I closed the PdfWriter stream and the document then set the ContentType to “application/pdf”. In the Response.AddHeader I gave the Pdf file name and with Response.Write the Pdf file is created.
Combining the Code We combine the above two codes and inside them you add PDF element like paragraphs, lines, tables and so on. In this way the whole PDF file is created.
So look at the structure of the combined code: /.Creating iTextSharp’s Document & Writer./ Document pdfDoc = new Document(PageSize.A4, 25, 25, 25, 15); PdfWriter pdfWriter = PdfWriter.GetInstance(pdfDoc, Response.OutputStream); pdfDoc.Open; /.End./ //Here you create PDF elements like paragraph, table, lines and so on. /.Creating the PDF file./ pdfWriter.CloseStream = false; pdfDoc.Close; Response.Buffer = true; Response.ContentType = 'application/pdf'; Response.AddHeader('content-disposition', 'attachment;filename=Credit-Card-Report.pdf'); Response.Cache.SetCacheability(HttpCacheability.NoCache); Response.Write(pdfDoc); Response.End; /.End./ Creating PDF Elements on iTextSharp The iTextSharp provide lots of PDF elements which you can add to the PDF document.
These are Paragraph, Image, Table, Chunk and so on. Let us discuss each of them: Chunk Chunk is a building block of element through which you can add a text with a certain font. To create a text, with Arial font, font-size as 20, font-weight as bold & italic and color of magenta, use chunk like this: Chunk chunk = new Chunk('Your Text', FontFactory.GetFont('Arial', 20, Font.BOLDITALIC, BaseColor.MAGENTA)); Paragraph A paragraph is similar a chunk and is used to create a certain text. Paragraph para = new Paragraph('Your Text'). A paragraph with Chunk can be used to create a Horizontal line like this: Paragraph line = new Paragraph(new Chunk(new iTextSharp.text.pdf.draw.LineSeparator(0.0F, 100.0F, BaseColor.BLACK, Element.ALIGNLEFT, 1))); Image Image represents a Graphical Element. You can use it to add any image to your PDF file. Image image = Image.GetInstance(Server.MapPath('/myPic.jpg')); PdfTable & PdfPCell PdfTable is a table element containing rows and columns.
Asp.net Create Pdf
It contains PdfPCell and PdfCell can contain other elements like Image, Chunk, Paragraph, etc. PdfPTable table = new PdfPTable(2); PdfPCell cell = new PdfPCell; Image image = Image.GetInstance(Server.MapPath('/myPic.jpg')); cell.AddElement(image); table.AddCell(cell); Paragraph para = new Paragraph('Your Text'); cell = new PdfPCell; cell.AddElement(para); table.AddCell(cell); In the above code I created PdfPTable that has 2 columns. Then I created a PdfPCell and an Image element and added the image to the PdfPCell. Then I added that PdfPCell to the PdfPTable. In the same way I added a Paragraph element to another cell and added that cell to the table.
Example: Create a Pdf I give you a complete example that explains How to Create a Pdf file with iTextSharp. This PDF file will look like the image that is shown below: To download this PDF file. This Pdf file has the following sections:. 1. A top heading with a text.
Few horizontal line. A table containing 2 columns – a picture of a person on the first columns and person’s details on the second column. A table containing 5 columns and looks like a Grid. A paragraph containing hello message. Table with 2 Columns Create a table and set its width to 100% of the size of the Document. Align it to left size of the document (.HorizontalAlignment=0) and provide some spacings to it.
Add the 2 columns (set border=0 as I don’t want any border on these 2 cells). In the first cell put image and on the second cell put text. Add the cells to the table and then add this table to document. //Table PdfPTable table = new PdfPTable(2); table.WidthPercentage = 100; table.HorizontalAlignment = 0; //0=Left, 1=Centre, 2=Right table.SpacingBefore = 20f; table.SpacingAfter = 30f; //Cell no 1 PdfPCell cell = new PdfPCell; cell.Border = 0; Image image = Image.GetInstance(Server.MapPath('/Content/Upload/salma.jpg')); image.ScaleAbsolute(200, 150); cell.AddElement(image); table.AddCell(cell); //Cell no 2 chunk = new Chunk('Name: Mrs. Salma Mukherji, nAddress: Latham Village, Latham, New York, US, nOccupation: Nurse, nAge: 35 years', FontFactory.GetFont('Arial', 15, Font.NORMAL, BaseColor.PINK)); cell = new PdfPCell; cell.Border = 0; cell.AddElement(chunk); table.AddCell(cell); //Add table to document pdfDoc.Add(table). Table with 5 columns that looks like a Grid Create the PdfTable(5), in the first cell make it Colspan=5 because I want it to be the size of the full row. So the next cells will automatically come down from the 2nd row.
Vinoth Dhakshinamoorthy 17-Jun-08 4:16 17-Jun-08 4:16 Hi Team, Good Morning. Find below are the clarifications and questions regarding PDF document creation Does your PDF creator or converter component authenticate against RSA ClearTrust Authentication and get the snapshots of webpages viewed? In our current application we are downloading a copy of the PDF after viewing some webpages. The new PDF shall consist of the contents of the web pages viewed. We have ClearTrust authentication software installed in our Model Office and Production servers. Below is the procedure that we follow for downloading the PDF. There are 8.aspx pages that the End User should view.
Each webpage is authenticated against the ClearTrust server and then redirected to the actual Web URL. At the end of the 8th webpage,there is a link button control provided to download the PDF. I would love to figure out how to get around this issue. I have been receiving this error message for months HtmlConvertException: Could not get the metafile from url. Could not get image from url.The URL is not accessible. and I have been unable to figure out how to stop it from appearing. I don't get it when I do the conversion from my dev machine.
Only from the production webserver. I checked my permissions to the project folder and all necessary users have read, write and exec privileges. This error seems to show up periodically as I haven't seen it for a few months but now, it occurs everytime the web tries to convert to pdf. Does anyone have any idea how to work around this issue or how to prevent it??
. Introduction This short article explains how to create PDF documents from ASP.NET web pages using this free library:. The code First of all, I will create a simple 'Hello PDF'. Next, I will create a more complex PDF document with tables.
Asp Download Pdf
To start creating PDF documents, you need to download the iTextSharp library from and reference it in your project. The PDF documents are created 'on the fly' by the web page ' ShowPDF.aspx'. This page also does a ' Response.Redirect' to the created PDF.
Dvbsaravan 20-Jul-10 21:58 20-Jul-10 21:58 in local machine, this works fine, but when i upload these files in my server i m getting the following error, 'System.Security.SecurityException: That assembly does not allow partially trusted callers.' What to do????? Kindly guide me to resolve this issue. Last Visit: 31-Dec-99 19:00 Last Update: 15-Feb-18 7:13 1 General News Suggestion Question Bug Answer Joke Praise Rant Admin Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.