PCL 5 Color Technical Reference Manual - Business Support ...

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Raster Graphics Command Sequence <strong>PCL</strong> raster commands include: Start Raster Graphics and End Raster Graphics commands, Transfer Raster Data by Plane and Row, Raster Compression, Raster Presentation, Raster Resolution, Raster Height and Raster Width (which define the raster area), and Raster Y Offset commands. For printing well-behaved raster graphics, the normal sequence of execution for these commands is shown below. Hewlett-Packard strongly recommends that developers use this command sequence in their applications. Note Although the source raster height and width commands are not necessary, they improve memory efficiency. Well-Behaved Raster Command Sequence Raster Presentation Raster Resolution Raster Height Raster Width Start Raster Graphics Y Offset Raster Compression Transfer Raster Data … Transfer Raster Data Y Offset Transfer Raster Data … Y Offset Raster Compression Transfer Raster Data … Raster Compression Transfer Raster Data End Raster Graphics 6-6 Raster Graphics EN
The emphasis in the previous command sequence is that the Raster Presentation Mode, Raster Resolution, Raster Height, and Raster Width are all set outside the start..data..end sequence of commands. Also, the entire image is sent during the start..data..end sequence, choosing the most effective compression method for each raster row of data. Raster Presentation, Raster Resolution, Raster Height, Raster Width, and Raster Compression are all true modes. Once specified, the printer remains in that mode unless explicitly changed by issuing the command again, or reset to default values by a soft reset, self test, font printout, or power cycle. Note Only raster data appearing within the intersection of the logical page, the printable area, the raster width, and height is printed. If raster width and/or raster height have not been set, the intersection of the logical page and the printable area determines where raster graphics appear; raster data is clipped to the printable area. EN Raster Graphics 6-7
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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
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Programming Color Palettes Except f
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4 Modifying Output Color Introducti
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Monochrome Printing The Monochrome
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Screen Match Due to the emergence o
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5 The PCL Print Model Introduction
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Pattern Transparency Mode—The tra
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Figure 5-3 Effect of Transparency M
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Source Transparency Mode Command Th
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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 and 108: Set Pattern Reference Point Command
Page 109 and 110: Rectangular Area Fills (Rules) Rect
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: An image’s width and height defin
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
Page 159 and 160: 8 Specify the raster compression mo
Page 161 and 162: Figure 6-7 Example of Raster Graphi
Page 163 and 164: Looking at the PCL commands, you'll
Page 165 and 166: 7 Color Vector Graphics (HP-GL/2) I
Page 167 and 168: � The ?%#A command closes HP-GL/2
Page 169 and 170: Redefining the PCL Picture Frame si
Page 171 and 172: 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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