Image processing method and apparatus having an interpreter func

Details Image processing method and apparatus having an interpreter func Image processing method and apparatus having an interpreter func

1995-06-05

1998-04-07

Nguyen, Phu K.

G06F 1110

Patent

active

057376204

ABSTRACT:
An image processing method and apparatus for producing and outputting combined image data by combining first image data, which is produced by interpreting image information described in page-description language (PDL), and second image data, which is produced separately from the first image data. The first image data produced by interpreting the PDL received from a host computer is stored in first through fourth image memories for each of the color components (Y, M, C and BK). In synchronization with this storage of data, position information of a pixel which outputs the first image data located on the combined image is delivered to the RAM of a bit-map memory. The bit-map memory has a size corresponding to the size of the combined image. If, with regard to each pixel of the combined image, even one color component among the color components of the first image data is output, a "1" is set for this pixel in the bit-map memory. Next, the first image data and the second image data are combined based upon the position information developed in the bit-map memory. If, with regard to each pixel of the combined image, the position information is "1" at the time of combination, the first image data is selected. If the position information is "0", the second image data is selected.

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