Facsimile and static presentation processing – Static presentation processing – Detail of image placement or content
Reexamination Certificate
1998-07-28
2001-09-11
Coles, Edward (Department: 2722)
Facsimile and static presentation processing
Static presentation processing
Detail of image placement or content
C358S001300, C358S001160, C358S001170
Reexamination Certificate
active
06288793
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to printer controlling apparatus and methods for processing print data generated for print output for example by an application program of a host computer and also relates to a recording medium for recording a program code for executing the same.
2. Description of the Related Art
Usually, when a document prepared by using an application program is to be printed, a printer driver is driven in accordance with a printing procedure of the application. The printer driver converts the print data into a print command by the driven procedure and transmits it to a printer apparatus. Upon receiving the print command, the printer apparatus sequentially analyzes and executes the received command.
However, the printing procedure of an application program is a characteristic of the application. Some of the newly developed applications with high-level functions are designed to repeat the same plotting process again and again or to divide a figure consisting of a large block into small parts or to combine an enormous number of figures to print an area which will, after all, be plotted as a small figure.
Such print data not only increases the amount of data to be transmitted but also results in a problem that, considering only the printed result, an unnaturally long time period is required due to the fact that the apparatus for processing such data is also greatly loaded.
Furthermore, since only a minimized amount of memory is commonly mounted on a printer apparatus because of a limitation of costs, the plotting operation may become impossible due to a shortage of memory that is necessary to process the plotting data when a great amount of plotting data as described is to be processed.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a printer controlling apparatus and method and a recording medium for recording a program code for executing the same with which the above described problems are solved so that, even when plotting data with a high level of redundancy is generated by an application program to be utilized, it is possible to prevent a requirement for long time period until its output or an occurrence of impossibility of plotting.
To achieve the above object, an image processing apparatus is provided in accordance with the present invention, having a printer control apparatus for processing print data generated for print output by an application program of a host computer, comprising: buffer means for buffering a plurality of plotting data generated by said application; and optimization means for arranging the plurality of plotting data buffered in said buffer means into a single data.
Further, an image processing method according to the present invention includes the steps of: buffering a plurality of plotting data generated by an application program of a host computer; determining whether the plurality of buffered plotting data can be described by one plotting data; and, when determined as capable of being described by one plotting data, converting the plurality of buffered plotting data into one plotting data.
Furthermore, a recording medium according to the present invention stores a program code readable by a computer, said program code comprising:
means for buffering a plurality of plotting data generated for print output by an application program; and
optimization means for converting the plurality of buffered plotting data into one plotting data.
Other objects and advantages of the present invention will be more apparent from the accompanying drawings, claims and detailed description below.
REFERENCES:
patent: 5050098 (1991-09-01), Brown, III et al.
patent: 5136688 (1992-08-01), Morikawa et al.
patent: 5216754 (1993-06-01), Saithi et al.
patent: 5471564 (1995-11-01), Dennis et al.
patent: 9312501 (1993-06-01), None
patent: 9502224 (1995-01-01), None
Canon Kabushiki Kaisha
Coles Edward
Fitzpatrick ,Cella, Harper & Scinto
Lamb Twyler
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