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Pattern Control Command The Pattern Control command provides a means for manipulating user-defined patterns. ? * c # Q # = 0 - Delete all patterns (temporary & permanent) 1 - Delete all temporary patterns 2 - Delete pattern (last ID # specified) 4 - Make pattern temporary (last ID # specified) 5 - Make pattern permanent (last ID # specified) Default = 0 Range = 0, 1, 2, 4, 5 (command is ignored for other values) For value fields 2, 4, and 5, the Pattern ID (?*c#G) command is sent prior to the Pattern Control command to identify the specific pattern to which the Pattern Control command action is applied. 5-44 The <strong>PCL</strong> Print Model EN
Rectangular Area Fills (Rules) Rectangular area fills are a special case of source images—the source transparency mode has no effect, since the printer treats the rectangular area as a solid “black” (all 1’s) source. Rectangular areas may be filled using patterns or textures. The current Pattern ID (?*c#G) selects the pattern, and the Fill Rectangular Area command (?*c#P) tiles an area whose dimensions are specified by the Vertical and Horizontal Rectangle size commands (?*c#A, ?*c#B, ?*c#H, ?*c#V). The rectangular area does not exist and cannot be printed until the Fill Rectangular Area command (?*c#P) has been issued, even though the rectangular area has been specified. Filling a rectangular area does not change the current active cursor position (CAP). The filled rectangular area is not affected by end-of-line wrap, perforation skip mode, or margins. A rectangular area may extend beyond the margins, but it will be clipped to the printable area of the logical page. Rectangular areas are not affected by graphics resolution (?*t#R). Except for the absence of white pixels in the source, pattern transparency operates the same way for rectangular area fills as for other sources. The non-white pixels of the pattern are poured through the entire rectangular area onto the destination. The white bits of the pattern are either applied or ignored, based on the pattern transparency mode. If foreground color is used, it is applied to the non-white bits of the pattern prior to pouring (except for user-defined color patterns). Note The Pixel Placement command (?*l#R) affects rules. The commands used to print rectangular area fills are described beginning on the next page. EN The <strong>PCL</strong> Print Model 5-45
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PCL 5 Color Technical Reference Man
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Inside This Manual What You Can Lea
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Chapter 7. Color Vector Graphics (H
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Contents PCL 5 Color Technical Refe
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Rectangular Fill Examples. . . . .
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Programming Color Palettes . . . .
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1 Color Printing Overview Introduct
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The PCL language also allows users
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Note HP’s ICC profiles are availa
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� An RGB, eight-entry palette wit
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Well-Behaved Raster PCL raster imag
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2 Using Color Modes Introduction Th
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Simple Color Mode The Simple Color
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PCL Imaging Mode The PCL Imaging mo
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Byte 1 (Pixel Encoding Mode) This b
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PEM 1: INDEXED BY PIXEL In this mod
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MODE 3: DIRECT BY PIXEL This mode s
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HP-GL/2 Imaging Mode The HP-GL/2 Im
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3 Using Palettes Introduction A pal
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Saving the Palette The current pale
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Palette Management by ID All palett
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When a palette creation command is
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Palette Control The Palette Control
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Simple Color Palettes The Simple Co
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CID Color Palettes The Configure Im
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HP-GL/2 Palettes Regardless of the
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Foreground Color All PCL marking en
Page 57 and 58: Programming Color Palettes Except f
Page 59 and 60: 4 Modifying Output Color Introducti
Page 61 and 62: Monochrome Printing The Monochrome
Page 63 and 64: Screen Match Due to the emergence o
Page 65 and 66: 5 The PCL Print Model Introduction
Page 67 and 68: Pattern Transparency Mode—The tra
Page 69 and 70: Figure 5-3 Effect of Transparency M
Page 71 and 72: Source Transparency Mode Command Th
Page 73 and 74: Logical Operations The basic print
Page 75 and 76: Assuming three bits per pixel, the
Page 77 and 78: Logical Operation Command Specifies
Page 79 and 80: Table 5-1. RGB ROP Truth Tables ROP
Page 81 and 82: Note Since PCL logical operations a
Page 83 and 84: Table 5-4. Logical Operations (ROP3
Page 89 and 90: Figure 5-5 Pixel Placement Note The
Page 91 and 92: Pixel Placement Command Determines
Page 93 and 94: Pattern ID (Area Fill ID) Command T
Page 95 and 96: Figure 5-8 Cross-Hatch Patterns EN
Page 97 and 98: User-Defined Pattern Graphics In ad
Page 99 and 100: Figure 5-10 Pattern Layout Across t
Page 101 and 102: Figure 5-11 Moving Pattern Referenc
Page 103 and 104: Continuation (Byte 1) This field, b
Page 105 and 106: When using the 300 dpi User-Defined
Page 107: Set Pattern Reference Point Command
Page 111 and 112: Vertical Rectangle Size (PCL Units)
Page 113 and 114: Note The current pattern is not app
Page 115 and 116: This example is a monochrome exampl
Page 117 and 118: 7 Select the white fill and print.
Page 119 and 120: 5 Print the rectangular shaded area
Page 121 and 122: 6 Raster Graphics Introduction A ra
Page 123 and 124: This pixel format is sufficient to
Page 125 and 126: An image’s width and height defin
Page 127 and 128: The emphasis in the previous comman
Page 129 and 130: Figure 6-2 Raster Graphics Expansio
Page 131 and 132: Raster Presentation Mode Orientatio
Page 133 and 134: Source Raster Height Command The Ra
Page 135 and 136: Source Raster Width Command The Ras
Page 137 and 138: Start Raster Graphics Command The S
Page 139 and 140: Raster Y Offset Command The Raster
Page 141 and 142: The Set Compression Mode command ha
Page 143 and 144: Note Another method to calculate th
Page 145 and 146: The command byte identifies two thi
Page 147 and 148: The seed row is updated by every ra
Page 149 and 150: The size of a block is limited to 3
Page 151 and 152: Adaptive Compression Operation Hint
Page 153 and 154: Transfer Raster Data by Plane This
Page 155 and 156: End Raster Graphics Command The End
Page 157 and 158: Destination Raster Width The Destin
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8 Specify the raster compression mo
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Figure 6-7 Example of Raster Graphi
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Looking at the PCL commands, you'll
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7 Color Vector Graphics (HP-GL/2) I
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� The ?%#A command closes HP-GL/2
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Redefining the PCL Picture Frame si
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Opcode — Specifies the logical op
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Table 7-1. Logical Operations (ROP3
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The “PC;” command defaults the
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NP (Number of Pens) The NP command
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CR (Color Range) The CR command set
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Figure 7-1 Pixel Placement EN Color
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A Color Printing Overview (Color La
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Color Concepts This section describ
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Example: Assuming the white and bla
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Encoding by Pixel When encoding by
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Cluster Ordered Dither ( ?*t7J, ?*t
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With proper calibration, any device
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Illumination Models Illumination so
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Color Processing Functions Given th
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B Using Color Modes (Color LaserJet
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HP-GL/2 Imaging Mode In HP-GL/2, th
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The Simple Color palettes are shown
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Common 6-Byte Header The short and
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You need one plane or one bit/pixel
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Example: ?*v6W 00 01 04 04 04 04 #
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Example: ?*v6W 00 03 00 08 08 08 #
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Short Form of CID Command (Configur
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Long Form of CID Command (Configure
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Note Although the data ranges may e
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Byte 15 (msb) 8 7 (lsb) 0 Byte 22 x
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Byte 15 (msb) 8 7 (lsb) 0 Byte 22 E
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Examples Using the CID Command The
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LONG FORM CID(2,3,0,8,8,8 0.62, 0.3
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C Using Palettes (Color LaserJet, 5
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Saving the Palette The current pale
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Palette Management by ID All palett
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This command can be used to de-sele
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Palette Control The Palette Control
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Simple Color Palettes The Simple Co
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CID Color Palettes The Configure Im
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Device CMY and Device-Independent P
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Eight Pens Pen Number Color 0 White
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Note Foreground color interacts wit
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Color Component Three This command
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D Modifying Output Color (Color Las
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Halftone Render Algorithms The HP c
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Ordered Dither and Clustered Ordere
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A user-defined matrix is defined in
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Format This byte should be set to 0
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Byte 15 (msb) 8 7 (lsb) 0 Byte 0 Fo
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Color Lookup Tables Color lookup ta
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As shown below, the 256 point-by-po
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Gamma Correction Color monitors, wh
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The PCL default viewing illuminant
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Driver Configuration Command This c
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No Adjustment This setting provides
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Setting Description MapID Out of Ga
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Index A adaptive compression block
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transparency mode 5-2 user-defined
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Set Pattern Reference Point command
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