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Cat AND charact*
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Concept Search - What can I type?
For a concept search, you can enter phrases, sentences, or full paragraphs in English. For example, copy and paste the abstract of a patent application or paragraphs from an article.
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This invention relates to a method for detecting characters overhanging a page edge. The method is invoked in response to an embedded text control in a data stream applied to a printer.
English (United States)
This text was extracted from a PDF file.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately
61% of the total text.
Page 1 of 2
Boundary Checking Apparatus for Kerned Characters on Raster page
This invention relates to a method for detecting characters overhanging a
page edge. The method is invoked in response to an embedded text control in a
data stream applied to a printer. The method steps include: (1) establishing a
right-hand margin as a function of the font type (kerned/nonkerned); (2) compiling
a list of characters and page position until the margin is reached using a first
estimator consisting of the current character position plus the character
increment (CI) with respect to the margin; (3) upon the margin being reached and
the font being nonkerned, signaling an error condition; (4) upon the margin being
reached and the font being kerned, substituting a second estimator (position +
width of the character) and testing the logical page edge, rather than the margin;
and (5) continuing list compilation until the edge is reached.
In prior-art page composition of test data to be printed, the characters of a
font were placed on the page according to the user's input and a "boundary
check" was performed for every character so as to ensure that it was within the
page boundaries. Relatedly, the width of character patterns is defined by Deltax
values. The Deltax dimension is large enough to span all of the black picture
elements (pels) in the pattern. The character increment is used to establish the
next print position by moving the print position in the inline direction after the