Datalogics Knowledge Base

Can APDFL be used to simulate italic or bold if the system only has the regular typeface?

Apr 17, 2025 APDFL, Adobe PDF Library, Font, italic, bold, typeface 0 0 0/5 (0 Vote)

If you want to use a font that only offers a normal typeface—not bold, not italic—you can simulate bold by setting the same string several times at almost the same location, offset slightly. So the character would be printed twice in the... Read More

Understanding control of Working Spaces

Apr 7, 2025 APDFL, Adobe PDF Library, working spaces, PDPrefSetWorkingRGB, PDPrefSetWorkingCMYK, PDPrefSetWorkingGray, PDPageSetBlendingSpace, PDPrefSetDefaultBlendingColorSpace 0 0 0/5 (0 Vote)

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

Is the Adobe Color Engine replaceable with the ICM2.0 engine from Windows and vice versa?

Apr 7, 2025 APDFL, Adobe PDF Library, Adobe Color Engine, ACE, Image Color Management, ICM, Color 0 0 0/5 (0 Vote)

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

How do I extract the alternate color values of a separation color?

Apr 7, 2025 APDFL, Adobe PDF Library, Color, DeviceGray, DeviceRGB, DeviceCMYK, ThePDEColorSpaceGetNumComps(), ICC color space, color separation, PDApplyFunction() 0 0 0/5 (0 Vote)

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

Text Extraction: detection of whitespace

Mar 7, 2025 text extraction, whitespace, newlines, wordfinder 0 0 0/5 (0 Vote)

APDFL's text extraction API also known as the WordFinder extracts Words which do not always match up to the common language definition of words, and it's easy to assume that these words will be separated by whitespace and end-of-line... Read More

Fixing Extra Spaces in Text Extraction from PDF Documents

Feb 28, 2025 Adobe PDF Library, APDFL, Extract Text, ExtractText, Extra Spaces 0 0 0/5 (0 Vote)

Understanding and Resolving Extra Spaces in Text Extraction The Details Users may encounter an issue when utilizing the Extract Text API within certain software environments, where the output extraction is inserting problematic spaces after most... Read More

After converting a PDF document to a graphic file, the crop results were not what I had expected. Why does the image have so much white space around the margins?

Oct 22, 2024 cropbox, boundingbox, region, white space, margins, PDF2img 0 0 0/5 (0 Vote)

With PDF2IMG you can use the pdfregion command line statement or the pdf2img_set_output_region API to draw a boundary around a page or part of a page of a PDF input document, and then rasterize that content to a graphic export file. You can select... Read More

Substituting fonts

Oct 8, 2024 fonts, fonts substitution, PDDocReplaceUnembeddedSimpleFonts, DLExtrasCalls.h 0 0 0/5 (0 Vote)

Datalogics added a method to Adobe PDF Library v18.0.3PlusP1e (November 4, 2020) called PDDocReplaceUnembeddedSimpleFonts(). This method, declared in the header file DLExtrasCalls.h, allows you to replace an unembedded simple font (Type 1, TrueType,... Read More