2/27/2024 0 Comments Free for ios instal Sigil 2.0.1There is not one reason why you might want to embed a font in an EPUB-your reasons may range from capturing a particular aesthetic to fit the content, to creating a consistent brand across your product lines, to addressing more pragmatic concerns such as embedding for unusual or specialized glyphs that are unlikely to be found in a standard system font.īecause of these potential complexities, this chapter-instead of diving immediately into the technical specifications-starts by asking you to consider your reasons for embedding. In doing so, the chapter aims to give you the information that you need to decide for yourself what the “best practice” is around font embedding, which will be influenced by a number of factors, including-perhaps most importantly-the kind of content that you publish. This chapter does not argue for or against embedding fonts, or perhaps more accurately, it argues for both. Also, licensing for embedding in general can be an administrative and technical nightmare. Also, while embedding fonts is trivial, adding the required obfuscation-required by most commercial font foundries-is much less so. While embedding fonts in an EPUB file is simple enough, how reading systems support embedding has been and remains spotty and inconsistent, often frustratingly so. It is a straightforward enough process that a technical overview can be summarized succinctly in a single blog post. Sounds simple enough, right? From a technical perspective, embedding fonts is simple, and the EPUB 3 specification leaves little room for ambiguity on this topic. You must then include references to that font within the CSS and the OPF manifest of the EPUB so that the font is rendered across reading systems. When you “embed” a font within an EPUB file, you include single or multiple font files in the EPUB package. Director of Publishing Technology, O’Reilly Media
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