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

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Note Foreground color interacts with color raster images. In the printer, all color raster is resolved into three binary raster planes of CMY. Foreground color is applied to these planes, modifying the color image. For no interaction, set foreground color to black when sending color raster images. After a foreground color is selected, changing any of the following will not change foreground color until a new Foreground Color command (?*v#S) is issued: Active Palette Configure Image Data (CID) command Render Algorithm 3-18 Using Palettes EN
Programming Color Palettes Except for the default black and white palette or the Simple Color palettes (?*r#U), palette entries can be modified. The three primary components of a color are specified and the resulting color is assigned to the palette entry indicated by ?*v#I. In the explanation below, the term “component” refers to the color space primary colors. For example, if the current color space is sRGB, component 1 indicates R, component 2 indicates G, and component 3 indicates B. Color Component One This command specifies the first component of the palette entry designated by the Assign Color Index command (?*v#I). ?*v#A The Assign Color Index command actually applies this value and then resets it to 0. Color Component Two This command specifies the second component of the palette entry designated by the Assign Color Index command. ?*v#B # = First Component Default = 0 Range = –32767.0000 to 32767.0000 (up to 4 decimal places; command is ignored for invalid configurations) # = Second Component Default = 0 Range = –32767.0000 to 32767.0000 (up to 4 decimal places; command is ignored for invalid configurations) The Assign Color Index command actually applies this value and then resets it to 0. EN Using Palettes 3-19
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PCL 5 Color Technical Reference Man
Page 5 and 6: Inside This Manual What You Can Lea
Page 7 and 8: Chapter 7. Color Vector Graphics (H
Page 9 and 10: Contents PCL 5 Color Technical Refe
Page 11 and 12: Rectangular Fill Examples. . . . .
Page 13 and 14: Programming Color Palettes . . . .
Page 15 and 16: 1 Color Printing Overview Introduct
Page 17 and 18: The PCL language also allows users
Page 19 and 20: Note HP’s ICC profiles are availa
Page 21 and 22: � 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: Foreground Color All PCL marking en
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
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Set Pattern Reference Point Command
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Rectangular Area Fills (Rules) Rect
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Vertical Rectangle Size (PCL Units)
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Note The current pattern is not app
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This example is a monochrome exampl
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7 Select the white fill and print.
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5 Print the rectangular shaded area
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6 Raster Graphics Introduction A ra
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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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