zscreen_type— Selects the types of screening as follows:

0— No screening

1— Shaded fill

2HP-GL/2 User-defined raster fill (RF command)

21— Predefined PCL cross-hatch patterns

22— PCL user-defined raster fill (RF command)

Option1, Option2— The definition of these optional parameters depends on the screen type selected. The following table lists the options available for each fill type.

Table 22-21

Screen/Type

Description

Option1

Option2

 

 

 

 

1

Shaded Fill

% Shading

Ignored

 

 

(0 to 100)

 

 

 

 

 

2

HP-GL/2

Pattern Index

0—Pen 1

 

User-defined

 

1—Current Pen

 

Raster Fill

 

 

 

 

 

 

21

PCL Cross-hatch

1 - 6

Ignored

 

 

 

 

22

PCL User-defined

Pattern ID

Ignored

 

Pattern Fill

 

 

 

 

 

 

For Type 1, specify the shading percentage using a number from 0 to

100.For example, to print vectors that are shaded 15%, specify (SV1,15;).

For Type 2, option1 specifies the index number of the fill pattern created using the RF (Raster Fill Definition) command. Option2 specifies whether the pattern should be printed in the color of pen number 1 (option2 = 0 parameter) or the current pen (option2 = 1 parameter). The selected pen is applied to the 1’s pixels in the raster pattern.

For Type 21, the option1 parameter selects one of the six predefined PCL cross-hatch patterns using a value between 1 and 6. Refer to the FT command for an illustration of the six different patterns and their corresponding parameter numbers.

22-40The Line and Fill Attributes Group

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HP 5961-0509 manual Description Option1 Option2, Shaded Fill Shading Ignored, Pattern Index Pen User-defined