![]() For example, quadratic splines in TrueType-flavored OpenType fonts, which were converted from cubic splines during generation, can be inspected and, if necessary, improved. This can be used for adding and/or altering glyphs in the cubic and quadratic Bézier formats. On top of that, OTMaster contains a complete glyph editor. OTMaster contains an extensive consistency checker, which is quite indispensable for the post-production process. It handles cjk-related things, such as ‘name’ table strings, ivs es in the ‘cmap’ table, etcetera, very well. The application has extensive support for cjk, including for fonts with a very large number of glyphs. It contains a sophisticated three-state features selector (on / default / off) for checking the interaction between the features. OTMaster contains a powerful text viewer, which has Harfbuzz under the hood for the interpretation of OpenType Layout features. A couple of the ‘ gpos’ features can be edited directly, such as ‘mark’, ‘mkmk’, ‘kern’, ‘palt’, and ‘vpal’. The ‘mark to base’, ‘mark to mark’ and ‘mark to ligature’ positions can be displayed. OTMaster supports the ‘ gpos’ mark features and their manual and numerical editing with a graphical user interface. This is a very straightforward process and forms a consistent and reproducible alternative for building ot Layout features per font directly in the font editors in question. The subsetted features file can be exported from otm and imported in these applications. The subsetting of OpenType Layout features can be used in a workflow based on third-party font tools, such as aforementioned Glyphs, RoboFont, or FontLab vii. ![]() This makes otm also a great tool for updating and standardizing fonts. One can import and export afdko-syntaxed feature files for ‘ gpos’, ‘ gsub’, ‘ gdef’, and ‘ base’. This implies that the font’s character set does not have to match the characters listed in the OpenType Layout features file: the features will be automatically subsetted based on the available characters in the font. For this OTMaster contains a modified version of Adobe’s Hatch Open Type ( hot) tool, which was adapted at urw. During import OTMaster compiles these features files to produce binary OpenType Layout tables. Two remarkable advanced functions of OTMaster are the import and export of OpenType Layout features files. A ‘kern’ table viewer is available for checking and refining the kerning, and a ‘ gsub’/‘ gpos’ viewer to visually test (and in case of ‘ gpos’ also directly adjust) these OpenType Layout tables. Furthermore, it comes with multiple built-in tools, for example a glyph editor for proofing and editing contours and a text viewer for checking the OpenType Layout features and altering the spacing. OTMaster makes the editing of tables possible from a graphical user interface. ![]() This makes OTMaster a great companion to any font editor and an indispensable element even in the most complex OpenType font production workflow.’ stated: ‘OTMaster works with surgical precision: it will only modify the portions of the font that the developer wishes, leaving all other structures unchanged. otm is the ultimate tool for inspecting and adjusting such binary fonts, including those for complex scripts –irrespective of the specific font editor, for example Glyphs, RoboFont, or FontLab vii, used for their creation.Īs Adam Twardoch, product and marketing manager at Fontlab Ltd. From these data formats, binary fonts for the end-user are compiled as the final step in the font-production process. ![]() Your browser does not support the video tag.įont editors rely on their own proprietary data formats for production. – the enhancement of font data (adding features, kerning data, etcetera). – customization (modification of glyphs, adding characters, editing tables, etcetera). – the assurance of consistency among font families, – quality control and post-font production purposes, Otm is an indispensable tool for professionals because it offers extensive functionality for, for example: It is used by many experts in the field and applied by some of the largest companies in the software industry, among which Adobe. otm is the multi-functional ‘swiss knife’ for professional font production. This is a highly sophisticated post-production application for reviewing, editing, and altering tables and glyphs of fonts with a sfnt -file structure. The flagship of the dtl font tools is without any doubt OTMaster ( otm). Dtl OTMaster 8.9 is available exclusively from the Dutch Type Library.
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