Abstract:The development of e-books technology, with the emphasis on content readability and accessibility, raises the issue of mathematical layout optimisation. Although typographic formatting is successfully conducted by incorporating complex mathematical content in the form of bitmap images, such content is not accessible to text-to-speech technologies nor does it enable readability on small screens. For the purpose of creating dynamic and accessible mathematical layout, various e-book formats are analysed and EPUB3 format is presented as the only format meeting the requirements of openness, fluidity, support, accessibility and semantically correct mathematical type. The paper defines the realisation of EPUB e-books with emphasis on the optimal mathematical type using the Mathematical Markup Language. The problems of display, typographic formatting and dynamic layout are resolved through JavaScript functions depending on the rendering technologies of various e-readers on different platforms.
Besides text and images, contemporary e-books can include multimedia, interactivity, pronunciation information and text-to-speech ready content. The current EPUB 3 standard provides all the technical solutions necessary for designing and displaying highly functional and content rich e-books, but the implementation is impaired by the e-reader industry, publishers and distributors. Local and global book digitization has been an ongoing process for years, encompassing publications ranging from classical literature to current technical textbooks. Textual expression of knowledge is a remnant of the past but it is still dominant today, even though interactivity and video content are known to significantly enhance the learning process. However, multimedia and interactive content for e-books is not produced because it requires time, technical knowledge and specific tools. Within the current publishing system, authors are expected to produce and design all the content for books on their own, but because of the extreme content diversity, it is unrealistic to expect that they really possess such knowledge and skills. Better collaboration among authors, publishers, distributors, the professional community and the related industry is necessary for knowledge digitization to function.
This article aims at contributing to the quantitative and qualitative discussion on the design of modern fonts by analyzing the Croatian and Vietnamese dcroat sign representing a unique case of typographic solution. The main issue is the problem of designing letters that are composed of a body and a diacritical mark and that are not present in other Latin scripts. The goal of a letter design is recognition, and diacritical marks must assume eigenvalue of the letterform from the font-family concerned. The following measurements of the dcroat character were conducted: thickness, vertical and horizontal positioning. In order to enable proper diacritical design and achieve legibility, most common practices were established by measuring geometry in different fonts and font-families.
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