11 Facts About TrueType


TrueType is an outline font standard developed by Apple in the late 1980s as a competitor to Adobe's Type 1 fonts used in PostScript.

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Primary strength of TrueType was originally that it offered font developers a high degree of control over precisely how their fonts are displayed, right down to particular pixels, at various font sizes.

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TrueType was known during its development stage, first by the codename "Bass" and later on by the codename "Royal".

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Meanwhile, in exchange for TrueType, Apple got a license for TrueImage, a PostScript-compatible page-description language owned by Microsoft that Apple could use in laser printing.

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Part of Adobe's response to learning that TrueType was being developed was to create the Adobe Type Manager software to scale Type 1 fonts for anti-aliased output on-screen.

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Much of the technology in TrueType GX, including variations and substitution, lives on as AAT in macOS.

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Microsoft and Monotype technicians used TrueType's hinting technology to ensure that these fonts did not suffer from the problem of illegibility at low resolutions, which had previously forced the use of bitmapped fonts for screen display.

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Until May 2010, there were potential patent infringements in FreeType 1 because parts of the TrueType hinting virtual machine were patented by Apple, a fact not mentioned in the TrueType standards.

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Outlines of the characters in TrueType fonts are made of straight line segments and quadratic Bezier curves.

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TrueType systems include a virtual machine that executes programs inside the font, processing the "hints" of the glyphs, in TrueType called “instructions”.

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TrueType Collection is an extension of TrueType format that allows combining multiple fonts into a single file, creating substantial space savings for a collection of fonts with many glyphs in common.

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