System and method for intercepting and reconstructing graphics management tool marking instructions
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United States of America Patent
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Sep 23, 1997
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Jun 6, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is a method and system employing a glue code for: 1) intercepting low-level device dependent information from a graphics management interpreter software tool and 2) re-construct the low-level device dependent information into a high-level object oriented data representation for each object on a given page. The interpreter software is configured such that it transmits marking request signals and associated data to a fictitious frame buffer. However, the glue code of the present invention intercepts the marking request signals and associated data and transmits back receipt acknowledgment signals to the interpreter to make it think that it is writing to a frame buffer. As a result, the interpreter software transmits all marking requests and associated data to the glue code. The glue code then processes the low level device dependent information transmitted from the interpreter and reconstructs it into a high-level object oriented data representation using the information provided by the marking request.
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