Using PDF Rasterizer

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Adobe's PDF standard provides an efficient framework that enables you to quickly and easily deliver on critical business initiatives enterprise wide, such as content standardization, information governance, and compliance and archival goals. Storing files in the PDF or AI format allows for enhanced sharing and viewing and is more economical than managing multiple file formats.

The PDF Rasterizer library lets you leverage the Adobe-supported implementation of the latest PDF specification to generate high-fidelity thumbnails so your content is better prepared for effective classification, sharing, and long-term preservation.

When you upload content in PDF or AI format to Adobe Experience Manager (AEM) Assets, PDF Rasterizer generate thumbnails and web renditions of high quality for a consistent viewing experience across devices.

Also the renditions are more reliable and accurate compared to the output you could earlier generate using the Gibson PDF library. 

The PDF Rasterizer library is based on the core technology of the Adobe Acrobat line of products and offers complete functionality for generating, manipulating, rendering, and printing PDF or AI documents. The library enables PDF functionality to be seamlessly embedded within applications, including AEM Assets. 

To use PDF Rasterizer library in AEM Assets, download the binaries for Windows or Linux, and perform the following steps:

  1. Extract the binaries from the ZIP file that you downloaded and install PDF Rasterizer.

  2. Access the AEM Assets Workflow console from http://<AEM server>:<Port>/workflow. 

  3. Open the DAM Update Asset workflow page.

  4. Configure the following to skip the default thumbnail and web rendition process for PDF files:

    • Open the Process Thumbnails step and add application/pdf or application/postscript in the Skip Mime Types field under the Thumbnails tab depending upon your requirements.
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    • In the Web Enabled Image tab, add application/pdf or application/postscript under Skip List depending upon your requirements.
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  5. Drag the Command line option from the sidekick below the Process Thumbnails workflow.

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  6. Configure CommandLineProcess as follows:

    • Mime Types: application/pdf
    • Commands: <Path to the EXE file>/PDFRasterizer -d -p 1 -s 1280 -t PNG -i ${file}
    • Add Thumbnail sizes: 319:319, 140:100, 48:48. Add custom thumbnails configuration if required.

  7. Select Delete Generated Rendition to delete intermediate renditions.

  8. Select Generate Web Rendition to enable the generation of web renditions.

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  9. Specify the settings in the Web Enabled Image tab. Alternatively, you can specify the settings in the Web Enabled Image tab of the Process Thumbnails step that you edited in step 4.

  10. Save the workflow.

  11. Upload a PDF or AI file to AEM Assets. PDF Rasterizer generate the thumbnails and web renditions.

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