These distort the control points which define the outline, with the intention that the rasterizer produces fewer undesirable features on the glyph. ![]() TrueType systems include a virtual machine that executes programs inside the font, processing the " hints" of the glyphs. This difference also means that it is not possible to convert Type 1 losslessly to the TrueType format, although in practice it is often possible to do a lossless conversion from TrueType to Type 1. However, most shapes require more points to describe with quadratic curves than cubics. These mathematically simpler curves are slightly more efficient to process than the cubic Bézier curves prevalent in the PostScript-centered world of graphic design, and also used in Type 1 fonts. ![]() The outlines of the characters (or glyphs) in TrueType fonts are made of straight line segments and quadratic Bézier curves.
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