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Font formats

Most computer fonts used today are in bitmap or outline data formats. Bitmap fonts store fixed images for each glyph in each typeface and point size. Outline or vector fonts store characters as instructions for drawing each glyph's lines and curves. Outline fonts scale smoothly in size over a wide range.

Common font filename extensions include:

Template:Codeline and Template:Codeline – bitmap fonts, bitmap distribution format and gzip compressed Template:Codeline
Template:Codeline and Template:Codeline – bitmaps, portable compiled font and gzip compressed Template:Codeline
Template:Codeline and Template:Codeline – outline fonts, PostScript font ASCII and PostScript font binary. PostScript fonts carry built-in printer instructions.
Template:Codeline – outline, TrueType font. Originally designed as a replacement for the PostScript fonts.
Template:Codeline – outline, OpenType font. TrueType with PostScript typographic instructions.

For most purposes, the technical differences between TrueType and OpenType can be ignored. Some fonts with a Template:Codeline extension are actually OpenType fonts. The OpenType format is published as the standard ISO/IEC 14496-22.

The typesetting application, TeX, and its companion font software, Metafont, render glyphs using their own methods. Some of the file extensions used for fonts by these two programs are Template:Codeline, Template:Codeline, Template:Codeline and Template:Codeline.