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

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Operators Source Transparency (specified before logical operation; default is transparent) Pattern Transparency (specified before logical operation; default is transparent) Logical Operators (default is Texture OR Source) Operands Source objects: character cell, raster image, rule, HP-GL/2 vectors and polygons Texture: foreground color + pattern mask, color pattern (format 1). Destination: current page definition Operation IF (source transparent && source == white) RETURN destination IF (pattern transparent && pattern == white && source != white) RETURN destination ELSE RETURN (logical op (source, texture, destination) 5-10 The PCL Print Model EN
Assuming three bits per pixel, the following diagram shows the process. Figure 5-4 Logical Operations and the Print Model Note The Logical Operation command (?*l#O) provides 255 possible logical operations. All of these logic operations map directly to their ROP3 (raster operation) counterparts (see the Microsoft Document, Reference, Volume 2, Chapter 11, Binary and Ternary Raster Operation Codes). The logical operations were defined for Microsoft Windows for an RGB color space. In RGB space, a “1”' is white and a “0” is black. EN The PCL Print Model 5-11
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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
Page 23 and 24: Well-Behaved Raster PCL raster imag
Page 25 and 26: 2 Using Color Modes Introduction Th
Page 27 and 28: Simple Color Mode The Simple Color
Page 29 and 30: PCL Imaging Mode The PCL Imaging mo
Page 31 and 32: Byte 1 (Pixel Encoding Mode) This b
Page 33 and 34: PEM 1: INDEXED BY PIXEL In this mod
Page 35 and 36: MODE 3: DIRECT BY PIXEL This mode s
Page 37 and 38: HP-GL/2 Imaging Mode The HP-GL/2 Im
Page 39 and 40: 3 Using Palettes Introduction A pal
Page 41 and 42: Saving the Palette The current pale
Page 43 and 44: Palette Management by ID All palett
Page 45 and 46: When a palette creation command is
Page 47 and 48: Palette Control The Palette Control
Page 49 and 50: Simple Color Palettes The Simple Co
Page 51 and 52: CID Color Palettes The Configure Im
Page 53 and 54: HP-GL/2 Palettes Regardless of the
Page 55 and 56: 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: Logical Operations The basic print
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
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An image’s width and height defin
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The emphasis in the previous comman
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Figure 6-2 Raster Graphics Expansio
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Raster Presentation Mode Orientatio
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Source Raster Height Command The Ra
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Source Raster Width Command The Ras
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Start Raster Graphics Command The S
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Raster Y Offset Command The Raster
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The Set Compression Mode command ha
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Note Another method to calculate th
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The command byte identifies two thi
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The seed row is updated by every ra
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The size of a block is limited to 3
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Adaptive Compression Operation Hint
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Transfer Raster Data by Plane This
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End Raster Graphics Command The End
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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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