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Because Base64 is a six-bit encoding, and because the decoded values are divided into 8-bit octets, every four characters of Base64-encoded text (4 sextets = 4 × 6 = 24 bits) represents three octets of unencoded text or data (3 octets = 3 × 8 = 24 bits). This means that when the length of the unencoded input is not a multiple of three, the ...
If one is not specified, the media type of the data URI is assumed to be text/plain;charset=US-ASCII. An optional base64 extension base64, separated from the preceding part by a semicolon. When present, this indicates that the data content of the URI is binary data, encoded in ASCII format using the Base64 scheme for binary-to-text encoding.
One of pngcrush's features is the ability to remove all the color-correction data (gamma, white balance, ICC color profile, standard RGB color profile) from PNG files. [5] Since most graphics software embed the extra color-correction data, which is normally not needed, [according to whom?] removing it can produce file sizes that are up to 40% ...
At least one free OpenType mathematical font has been developed in FontForge. FontForge uses FreeType for rendering fonts on screen. [ 9 ] Since the November 15, 2008 release, FontForge uses libcairo and libpango software libraries for graphics and text rendering, [ 10 ] providing anti-aliased graphics and complex text layout support.
Fontconfig (or fontconfig) is a free software [6] program library designed to provide configuration, enumeration and substitution of fonts to other programs. Fontconfig was originally written and maintained by Keith Packard, and is currently maintained by Behdad Esfahbod.
uuencoding is a form of binary-to-text encoding that originated in the Unix programs uuencode and uudecode written by Mary Ann Horton at the University of California, Berkeley in 1980, [1] for encoding binary data for transmission in email systems.
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Quoted-Printable encoding is one method used for mapping arbitrary bytes into sequences of ASCII characters. So, Quoted-Printable is not a character encoding scheme itself, but a data coding layer to be used under some byte-oriented character encoding. QP encoding is reversible, meaning the original bytes and hence the non-ASCII characters they ...