Generation of multitype fonts on high resolution output devices
AssigneeURW Software & Type GmbH
InventorPeter Karow
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AssigneeURW Software & Type GmbH
InventorPeter Karow
Estimating the term…
A technique is demonstrated for the output of fonts on high resolution output devices, such as phototypesetters in particular, in which a processor unit optically scales a digitally stored font, expands/condenses and generates a desired weight of the font to be distributed. Two previously generated master fonts with varying weights in a digitized contour coding are used, by which a majority of the contours of each letter are provided with delimiting discrete control points and additionally with instructions, such as those stipulated for "Intelligent Font Scaling". The output font with the desired weight is generated through linear interpolation between the two master fonts. To optically scale to the desired point size, the output font is re-scaled with a factor to the desired point size and the instructions are applied in order to steadily vary the stroke width of the letters, linearly re-scaled with the factor, in a primary pre-set factor dependency whereby the stroke width is increased for factors smaller than 1% and decreased for factors larger than 1%. The font is typographically correctly expanded and condensed, in that the optically scaled output font is brought to the desired width through linear expansion or condensation with a second factor, whereby the instructions are applied in order to hold the stroke width constant during linear expansion or condensation of the letters and in this way to only broaden or narrow the contours.
A method of generating the output of fonts on high resolution output devices, including a processor unit, an interim storage for font data to be output and an output unit which transfers data accepted from the interim storage directly onto a multiplying medium, wherein the processor unit uses a plurality of stored master fonts, each of which is stored in a digitized contour coding in which the contours of each letter are provided with delimiting discrete control points and additionally with font scaling instructions, wherein a font is generated for output, selected according to weight, point size and alphabet length, before the stored master fonts through optical scaling to the desired font size, through expansion/condensation to the desired alphabet length and through generation of the desired weight, said method comprising the steps of:
Dependencies are inferred from the claim text.