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

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function_ index 5 Download Color Map 1 For the original Color LaserJet printer, the color treatment arguments were slightly different: (0 — Process Blue, 1 — Vivid, and 2 — Business Blue). The following paragraphs describe the function_index values and their arguments. Lightness Negative values darken (unlighten) the image, text or graphics color, but do not have any effect on black or white data. Positive values lighten the image. Zero turns the lightness adjustment off. This function index requires three data bytes. Saturation Negative values desaturate (add gray to) the image, text or graphics color, but will not have any effect on black or white data. Positive values increase the amount of saturation, making the image more vivid. Zero turns the saturation adjustment off. This function index requires three data bytes. Scaling Pixel replication is a backward-compatible scaling algorithm. Bilinear interpolation is a high-quality scaling algorithm for smooth-edge interpolated scaling. Modified bilinear scaling only interpolates when it is best to do so. This function index requires three data bytes. Select Treatment Description Argument Range 1 CMY Color Space 3 CIE Lab Color Space See MapID List (14739 bytes) This value specifies which color treatment mode to use for rendering the next job. D-22 Modifying Output Color (Color LaserJet, 5, 5M, DeskJet) EN
No Adjustment This setting provides linearization only (that is, the user sees the device as a linear device). Process Blue This setting provides the same results as Vivid Graphics (linearization plus user-preferred enhancements) with the addition of mapping process blue, which looks slightly purple, to a blue closer to that of a standard monitor. This setting is not supported by HP Color LaserJet 5 and 5M printers. Vivid Graphics This setting adds color saturation to the resulting image. Transparency This setting uses a map to render the best color output on transmissive media. This setting is not supported by HP Color LaserJet 5 and 5M printers. Out of Gamut This setting prints colors in an image that are out of gamut—all colors that are in gamut snap to white, all out-of-gamut colors are snapped to the gamut surface. This setting only supports the device-independent color map. This setting is not supported by HP Color LaserJet 5 and 5M printers. CIE L*a*b* Match This map performs a true color match to the requested CIE L*a*b* input (there are no appearance matching adjustments). This setting only supports the device- independent color map. This setting is not supported by HP Color LaserJet 5 and 5M printers. Screen Match This setting produces a simulated Colorimetric RGB effect of device independent color to match the color to a Sony Trinitron monitor while operating out of a device dependent color space. This setting is supported only by HP Color LaserJet 5 and 5M printers. EN Modifying Output Color (Color LaserJet, 5, 5M, DeskJet) D-23
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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
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Assuming three bits per pixel, the
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Logical Operation Command Specifies
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Table 5-1. RGB ROP Truth Tables ROP
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Note Since PCL logical operations a
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Table 5-4. Logical Operations (ROP3
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Figure 5-5 Pixel Placement Note The
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Pixel Placement Command Determines
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Pattern ID (Area Fill ID) Command T
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Figure 5-8 Cross-Hatch Patterns EN
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User-Defined Pattern Graphics In ad
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Figure 5-10 Pattern Layout Across t
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Figure 5-11 Moving Pattern Referenc
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Continuation (Byte 1) This field, b
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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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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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Page 227 and 228: Examples Using the CID Command The
Page 229 and 230: LONG FORM CID(2,3,0,8,8,8 0.62, 0.3
Page 231 and 232: C Using Palettes (Color LaserJet, 5
Page 233 and 234: Saving the Palette The current pale
Page 235 and 236: Palette Management by ID All palett
Page 237 and 238: This command can be used to de-sele
Page 239 and 240: Palette Control The Palette Control
Page 241 and 242: Simple Color Palettes The Simple Co
Page 243 and 244: CID Color Palettes The Configure Im
Page 245 and 246: Device CMY and Device-Independent P
Page 247 and 248: Eight Pens Pen Number Color 0 White
Page 249 and 250: Note Foreground color interacts wit
Page 251 and 252: Color Component Three This command
Page 253 and 254: D Modifying Output Color (Color Las
Page 255 and 256: Halftone Render Algorithms The HP c
Page 257 and 258: Ordered Dither and Clustered Ordere
Page 259 and 260: A user-defined matrix is defined in
Page 261 and 262: Format This byte should be set to 0
Page 263 and 264: Byte 15 (msb) 8 7 (lsb) 0 Byte 0 Fo
Page 265 and 266: Color Lookup Tables Color lookup ta
Page 267 and 268: As shown below, the 256 point-by-po
Page 269 and 270: Gamma Correction Color monitors, wh
Page 271 and 272: The PCL default viewing illuminant
Page 273: Driver Configuration Command This c
Page 277 and 278: Setting Description MapID Out of Ga
Page 279 and 280: Index A adaptive compression block
Page 281 and 282: transparency mode 5-2 user-defined
Page 283 and 284: Set Pattern Reference Point command
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