Convert HTML file to IMAGE via C#

Export HTML to IMAGE within .NET applications without using Adobe® Acrobat Reader or any other third party applications

 

Using Aspose.Total for .NET you can easily export HTML to IMAGE image within any .NET applications in two simple steps. First of all, by using Aspose.PDF for .NET , you can export HTML to JPEG. After that, by using Aspose.Imaging for .NET Image Processing API, you can convert JPEG to IMAGE.

Convert HTML file to IMAGE via .NET

  1. Open HTML file using Document class
  2. Initialize JpegDevice class object and render HTML to JPEG by using Process method
  3. Load JPEG file by using Image class
  4. Save the document to JPEG2000 format using Save method

Get Started with .NET File Automation APIs

Install from command line as nuget install Aspose.Total or install directly from Package Manager Console of Visual Studio.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

Convert HTML File to IMAGE in a Single File via C#

Using the API, you can also convert HTML file to IMAGE to a single image file. In order to convert all pages, you can first render your HTML document to one TIFF file and after that you can export TIFF file to IMAGE. You can open the input file using Document class and create Resolution, TiffSettings, & TIFF device objects. You can get a single TIFF image using Process method of TiffDevice class. Finally, you can load TIFF file using Image class and save it to JPEG2000 format using Save method.

Convert HTML to IMAGE With Watermark via C#

Using the API, you can also convert HTML file to IMAGE with watermark in your IMAGE document. In order to add a watermark, you can first render your HTML document to JPEG and add a watermark in it. To demonstrate the operation, you can load your converted JPEG image, add transformations using an object of Matrix class and draw a string as the watermark on the image surface using the Graphics class’ DrawString method. After adding the watermark in it, you can save the JPEG as JPEG2000 format. Below is a code example that demonstrates how to add a diagonal watermark to your document.

Convert & Rotate HTML File to IMAGE via C#

Using the API, you can also rotate the output IMAGE image as per your needs. The Image.RotateFlip method can be used to rotate the image by 90/180/270-degrees and flip the image horizontally or vertically. You can specify the type of rotation and flip to apply to the image. In order to rotate and flip the image you can load the converted JPEG image using the factory method exposed by Image class and call the Image.RotateFlip method while specifying the appropriate RotateFlipType .

Other Conversion Options

HTML TO EMZ (Windows Compressed Enhanced Metafile)
HTML TO PSD (Photoshop Document)
HTML TO WMF (Windows Metafile)
HTML TO TGA (Truevision Graphics Adapter)
HTML TO SVGZ (Compressed Scalable Vector Graphics)
HTML TO WMZ (Compressed Windows Metafile)
HTML TO DXF (Autodesk Drawing Exchange Format)
HTML TO APNG (Animated Portable Network Graphics)
HTML TO DICOM (Digital Imaging and Communications in Medicine)

HTML What is HTML File Format?

Known as language of the web, HTML has evolved with requirements of new information requirements to be displayed as part of web pages. The latest variant is known as HTML 5 that gives a lot of flexibility for working with the language. HTML pages are either received from server, where these are hosted, or can be loaded from local system as well. Each HTML page is made up of HTML elements such as forms, text, images, animations, links, etc. These elements are represented by tags and several others where each tag has start and end. It can also embed applications written in scripting languages such as JavaScript and Style Sheets (CSS) for overall layout representation.

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JPEG2000 What is JPEG2000 File Format?