Method and apparatus for processing information

Details Method and apparatus for processing information Method and apparatus for processing information

Filed on

2007-08-21

Date issued

2007-08-21

Examiner

Yang, Ryan (Department: 2628)

Patent Class

Computer graphics processing and selective visual display system

SubClass

Computer graphics processing

SubSubClass

Graphic manipulation

Other Related Categories

C358S001130

Type

Reexamination Certificate

Status

active

Patent number

10977287

Description

ABSTRACT:
A printer driver generates output data adapted to the processing power of a printer. When the printer driver receives a draw command from an operating system, a complexity value of the draw command is calculated depending on the type of the command and/or the number of contour points of a clipping area included as a parameter of the command. A processing mode is selected depending on the complexity relative to first and second threshold values. In a first processing mode, a draw command to draw image data and a clip command are simply output. In a second processing mode, a draw command to draw image elements generated in accordance with a clip command is output. In a third processing mode, mask data is generated from a clip command, and a command to calculate the logical AND between image data and the mask data is output.

REFERENCES:
patent: 5642474 (1997-06-01), Parkhurst et al.
patent: 5717840 (1998-02-01), Pardo
patent: 2003/0011819 (2003-01-01), Toda
patent: 8-230245 (1996-09-01), None
patent: 8-328774 (1996-12-01), None
patent: 10-187376 (1998-07-01), None

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