HP PCL/PJL reference (PCL 5 Printer Language) - Technical Reference Manual Part II

22-40 The Line and Fill Attributes Group EN

screen_type— Selects the types of screening as follows:

• 0— No screening

• 1— Shaded fill

• 2— HP-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.

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.

Table 22-21

Screen/Type Description Option1 Option2

1 Shaded Fill % Shading

(0 to 100)

Ignored

2 HP-GL/2

User-defined

Raster Fill

Pattern Index 0—Pen 1

1—Current Pen

21 PCL Cross-hatch 1 - 6 Ignored

22 PCL User-defined

Pattern Fill

Pattern ID Ignored