JPH03107759U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing an embodiment of the graphic processing device according to the present invention, and Fig. 2 is a PDL shown in Fig. 1.
A detailed block diagram of the controller, FIG. 3 is a main flowchart showing an example of the operation of the same embodiment, and FIG.
The figure is a schematic diagram for explaining an example of the operation of the embodiment.
FIG. 5 is a flowchart showing an example of anti-aliasing processing in the same embodiment, FIG. 6 is a schematic diagram for explaining anti-aliasing processing operation in the same embodiment, and FIG. 7 is a, b, and c in the same embodiment. 8 is a schematic diagram for explaining the anti-aliasing processing operation of the same embodiment. FIG. 9 is a schematic diagram for explaining the anti-aliasing processing operation of the same embodiment. A schematic diagram, FIG. 10 is a schematic diagram for explaining an example of a conventionally known anti-aliasing process, and FIG. 11 is a schematic diagram for explaining an example of a conventionally known anti-aliasing process. Figure 12 is a schematic diagram for explaining an example of conventionally known anti-aliasing processing;
The figure is a schematic diagram for explaining an example of a conventionally known antialiasing process. 1... Host computer, 2... PDL controller, 3... Output device, 6... Filled area detection section, ratio calculation section, average value calculation section, pixel data calculation section, pseudo halftone processing section (CPU), 9
...Image storage unit (page memory).

Claims (1)

[Scope of utility model registration request] an image storage unit that stores gradation data exceeding binary values for each pixel constituting the image; a fill area detection unit that detects a fill processing area for a figure specified by the vector data;
a ratio calculation unit that calculates the ratio of pixel data in the filled area detected by the filled area detection unit to the figure specified by the vector data; and pixel data of pixels in the vicinity of the pixel of interest. an average value calculation unit that reads out and averages the average value, the average value obtained by the average value calculation unit, the proportion included in the figure obtained by the proportion calculation unit, and pixels based on the fill instruction value. A pixel data calculation unit that calculates data, and a pseudo halftone processing unit that performs pseudo halftone processing on the pixel data obtained by the pixel data calculation unit and writes it into the image storage unit. Graphic processing device.