Visualizing Color Interactions

Visualizing Color Interactions

I was trying to understand something about color. I know that red, green, and blue light sources can be combined to make white light. And I understand that cyan, magenta, and yellow inks can be combined on the page to make a black (or near black) ink. But…you can get cyan, magenta and yellow light sources. And you can get red, green and blue ink. What happens if you combine those? It didn’t make sense that combining three light sources…

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PDF/raster: An Overview

PDF/raster: An Overview

Earlier in 2017, the PDF Association and TWAIN Working Group published the first public draft of the PDF/raster specification. In this article, I’ll give an introduction to PDF/raster and its relationship to PDF, and talk about use cases. I’ll suggest you grab a copy of version 1.0 of the specification in order to follow along. PDF/raster: purpose The PDF/raster format aims to provide the scanning and document industry with a standardized format for creating and exchanging sets of page images….

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Parsing Adobe PDF Library Header Files for Documentation (1 of 4)

Parsing Adobe PDF Library Header Files for Documentation (1 of 4)

When I first started doing technical support for APDFL, my supervisor pointed me to an out of date PDF version of Adobe’s Acrobat and PDF Library Reference as easier to navigate and more useful than the HTML version of the documentation used since. The documentation document model I still prefer it to the HTML documentation. Don’t get me wrong, though. That document is a 43MB and 5937-page monster of a beast, and separating out the wheat from the chaff from…

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PDF2EPUB Converter: Try Our Website Demo Today

PDF2EPUB Converter: Try Our Website Demo Today

We recently had an exercise in how we could support PDF content in our EdTech software product. We ended up with a process that converts PDFs to fixed layout EPUB files, and maintains the visual integrity of the original PDF. As we began testing this process, we determined that the results of the conversion were actually…fantastic. It rendered beautifully, and the conversions to fixed layout EPUBs have been excellent. Our QA team put the tool through an exhaustive number of…

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