![]() I don't know if Fontforge supports creation of colour fonts, but other font development apps such as FontCreator, FontLab and Glyphs do have support for colour fonts. using standard glyph outlines as shapes but with the ability to combine them in layers with specified colours or to apply other graphic operations.The OpenType spec supports different formats for colour fonts: ![]() See here for an overview of colour fonts (a little dated and doesn't mention recent enhancements, but still a good intro). Unlike typical monochrome fonts, in which the font doesn't specify any colour info and the app determines foreground and background colours, colour fonts have polychromatic glyphs in which the font developer specifies particular colours. If you want to control the colour of the outline stroke and the fill within the font, then you can create a colour font. As a result, I thought not to touch the apostroph metric, but to resort to contextual kerning. I tried to change the metric of the apostrophe, but it seems to work properly for the left side (L + '), while the metric of the next font maintains an excessive distance to the right side (' + A). So far, this is describing typical monochrome fonts. Apostrophe kerning by contextual lookup table. The rasterizer will turn on pixels only for the interior regions of the combined paths. The way that would be done is that the glyph outline includes the outer and inner contours of the stroke. (Don't get confused with the technical sense of "outline" to mean the paths in a font's glyph data.) Here's another example of the same font but with the foreground colour set to red and the background set to light green: These kinds of fonts are often referred to as "outline" fonts. ![]() You can create a font that appears as outline stroke with a fill where the foreground colour applies to the outline and the background colour applies to the fill. In effect, the app is using the outlines twice in two different modes. But the way that is done is to draw the text using the fill colour as foreground colour (as text would normally be drawn), and then separately to obtain the outline data from the font and then to draw that as paths on top of the "fill". Many graphics apps allow you to set a fill colour separate from the stroke colour. It's up to the application to determine what colour is used for the glyph shape interior (the "foreground" colour) and what colour is used for the background. But the rasterizer doesn't determine the colour. ![]() The rasterizer is determining which regions are interior to the outline and, accordingly, which pixels get "ink". This list is sorted by last name in alphabetical order.In a OpenType font, glyphs are described as shape outlines that get filled by a TrueType or CFF (PostScript type 1) rasterizer. If you make modifications be sure to add your name (N), email (E), web-address (This should list both major and minor changes, most recent first.)Īdded kerning between right single quote and round letters See the project website for the current trunk and the various branches: ![]() The ofl-faq also gives a very general rationale and various recommendations regarding why you would want to contribute to the project or make your own version of the font. To do Known issues and future developmentsĮrbarre is released under the OFL 1.1 - įor information on what you're allowed to change or modify, consult the ofl.txt and ofl-faq.txt files. Redrawing of the classic Erbar font, first geometric sans-serif typeface ever created, in 1922 by designer Jakob Erbar. ![]()
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