The Adobe Color Engine (ACE) and the Windows Image Color Management (ICM) are two APIs that serve similar purposes but in different environments. ACE is required to set up and modify ICC profiles in PDF documents and the APDFL environment. ICM is... Read More

The OutputIntents is an optional entry in the document catalog, or root dictionary. It is an array of OutputIntent dictionaries that describe the color reproduction characteristics of possible output devices. The purpose of an output intent is to... Read More

Suppose you want to create only a cyan or magenta color separation from an image in a PDF document. PDPageMakeSeparations() will provide PostScript separations. Datalogics offers several sample programs that demonstrate working with color separations... Read More

The PDPrefSetWorkingRGB, PDPrefSetWorkingCMYK and PDPrefSetWorkingGray APIs tie the nominal DeviceRGB, DeviceCMYK and DeviceGray color gamut (respectively) to a specific ICC profile’s color gamut. Putting it another way, the designated Working... Read More

A single PDF document can support a wide variety of elements using different color models. Often a PDF file is produced and saved with elements in the DeviceRGB, DeviceCMYK and DeviceGray spaces that have an associated ICC profile. An element (such... Read More

For Separation colors, the equivalents are retrieved by running the color value through the alternate color function using the PDApplyFunction() API. float inVal[4], tintTrans[4]; ... /* If this element has a GState, retrieve the Color Information... Read More

What is Changing with ACS/RMSDK?: FAQ In 2025, it was announced by Adobe that their eBook Products will be handed off to Harman Connected Services (now owned by Wipro) in the interest of furthering the development and support of the products. For the... Read More

CVE-2026-34621 is a vulnerability identified in Adobe Acrobat Reader versions 24.001.30356, 26.001.21367, and earlier. It is classified as an improperly controlled modification of object prototype attributes, commonly referred to as a prototype... Read More

Installing and Configuring the Adobe PDF Library Maven Package This guide explains how to configure your project's pom.xml file and manually install the Adobe PDF Library (APDFL) Maven package for use in Windows and Linux environments.   1.... Read More

This article applies only to the Licensed Managed (LM) release of APDFL, which requires a license file (apdfl.lic) to run. Running the licensed managed (LM) release of APDFL in a Docker container might result in an exception, the most common of which... Read More