![]() * some more recent font formats (used in some font design tools) use NURBS which provide more consistant results and that are much easier to position precisely and fit the wanted metrics when designing the glyph shapes : NURBS are later approximated to cubics for building compatible fonts. * for this reason, most modern font files are made now with cubics instead of quadratics. * the reverse conversion requires an approximation by splitting some curves with heavy curvature by adding more control points and then simplifying it by changing pairs of control points into a single one: the glyphs using only quadratic splines will require to compute the geometry of more vertices and control points, and the converted font files will be larger in size). ![]() * the conversion from quadratic to cubic is exact, you don't need to add additional control points to compute the geometry as they can be infered automatically. Note: it you can process cubic splines, you immediately can process quadradic splines, because all quadratic splines are a subset of cubic splines: Or does this need that PaintDotNet does not know how to process and render glyphs contained in OpenType fonts and that contain Postscript-style Bezier splines, and that it will only accept curves described with TrueType-style Bezier splines? The only difference being that they can support many more glyph formats and can embed additional tables (such as "feature" tables enabling fine typography or simply absolutely required to support some complex scripts which need contextual ligatures and complex glyph positioning.)ĭoes this mean that PaintDotNet cannot use these ligature tables, and then cannot access to their glyphs if they are not directly mapped with a Unicode codepoints ? Or does this mean that PaintDotNet will not use fonts that have more than 256 glyphs mapped without reference to Unicode? I don't know what are "OpenFont" fonts, did you mean "OpenType" fonts ?ĭo you mean that OpenType fonts do not work ? And why ? Is that because most of them embed restrictions that restricts Windows of enumerating their glyphs? Well, there does exist OpenType fonts without those restrictions. So, if you know of a good source of FREE True Type fonts, post links here. Just remember, as Rick stated in another post, Paint.NET supports TrueType fonts, not OpenFont fonts.
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