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Efficient method and apparatus for downloading of fonts from a processor to a printer

  • US 5,729,666 A
  • Filed: 08/05/1996
  • Issued: 03/17/1998
  • Est. Priority Date: 08/05/1996
  • Status: Expired due to Term
First Claim
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1. A data processing apparatus comprising:

  • a font memory including font header data which includes data which defines spacing metrics for each glyph stored in said font memory;

    a printer; and

    a host processor coupling said font memory to said printer and further including printer driver means for enabling communications with said printer, said printer driver means downloading said font header data to said printer when a first glyph of a corresponding font is downloaded thereto, said font header data excluding said data which defines spacing metrics except for said first glyph and, in response to a requirement to download a further selected font glyph to said printer, downloading a glyph data structure corresponding to said further selected font glyph, said glyph data structure including said spacing metric data for only said further selected font glyph.

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