Difference between revisions of "User:Thisoldman"

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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:
 
:{{Codeline|bdf}} and {{Codeline|bdf.gz}} – bitmap fonts, ''b''itmap ''d''istribution ''f''ormat and gzip compressed {{Codeline|bdf}}
 
:{{Codeline|pcf}} and {{Codeline|pcf.gz}} – bitmaps, ''p''ortable ''c''ompiled ''f''ont and gzip compressed {{Codeline|pcf}}
 
:{{Codeline|pfa}} and {{Codeline|pfb}} – outline fonts, ''P''ostScript ''f''ont ''A''SCII and ''P''ostScript ''f''ont ''b''inary. PostScript fonts carry built-in printer instructions.
 
:{{Codeline|ttf}} – outline, ''T''rue''T''ype ''f''ont. Originally designed as a replacement for the PostScript fonts.
 
:{{Codeline|otf}} – outline, ''O''pen''T''ype ''f''ont. TrueType with PostScript typographic instructions.
 
 
For most purposes, the technical differences between TrueType and OpenType can be ignored. Some fonts with a {{Codeline|ttf}} extension are actually OpenType fonts.
 
 
The typesetting application, ''TeX,'' and its companion font software, ''Metafont,'' render characters using their own methods. Some of the file extensions used for fonts by these two programs are {{Codeline|*pk}}, {{Codeline|*gf}}, {{Codeline|mf}} and {{Codeline|vf}}.
 

Revision as of 12:38, 17 November 2009