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HP L 5 manual Using Palettes

Models: L L 5

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3 Using Palettes

Introduction

A palette is a collection of color specifications selected using index numbers. The figure below illustrates a palette. Each palette entry associates an index number with three primary color components. For HP-GL/2 purposes only, a pen width is also associated with each palette entry.

EN	Using Palettes 3-1

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HP L 5 manual Using Palettes

Contents

Page Page PCL 5 Color Technical Reference Manual Trademarks Copyright LicenseWhat You Can Learn From This Manual Inside This ManualManual Organization Appendix C. Using Palettes Color LaserJet, 5, 5M, DeskJet Color Vector Graphics HP-GL/2Index Printer Job Language Technical Reference Manual Related DocumentsPCL 5 Printer Language Technical Reference Manual PCL 5 Comparison GuideContents Modifying Output Color Raster Graphics Appendix B Using Color Modes Color LaserJet, 5, 5M, DeskJet Index Contents Introduction Color Printing OverviewWorking with color documents Color Specifications and Color Spaces PCL 5 Color ConceptsColor Page HP’s ICC profiles are available through normal HP software PCL 5 Color Mode Palettes and Color SelectionPCL 5 Color Graphics Context Pixels and Pixel Encoding PCL 5 Raster ImagesRow Plane Red Well-Behaved Raster Color Printing Overview Simple Color Mode Black-and-White Mode DefaultHP-GL/2 Imaging Mode PCL Imaging Mode? *r#U Simple Color ModeSimple Color Command Default RangeIndex Color Single Plane value =Plane RGB value = Plane CMY value =PCL Imaging Mode Configure Image Data CID Command?*v6W b0 b1 b2 b3 b4 b5 Byte Value Color Space Byte 0 Color SpaceValue Pixel Encoding Restrictions Mode Byte 1 Pixel Encoding ModePEM 0 Indexed by Plane ExamplePEM 1 Indexed by Pixel Mode 2 Direct by Plane R7-r0 G7-g0 Byte 2 Number of Bits per IndexBits/Index Indices/Byte Bytes 3, 4, and 5 No. of Bits for Components 1, 2,HP-GL/2 Imaging Mode Using Color Modes Using Palettes Page Push/Pop Palette Command Saving the Palette? *p#P Page Palette Management by ID ?&p#S Select Palette CommandPage ?&p#I Palette Control ID?&p#C Palette ControlPage Simple Color Palettes Plane CMY value = Bits/Index = 3 through CID Color PalettesDevice RGB and sRGB Palettes Bits/Index =Bits/Index = 3 through Device CMY PalettesBits/Index = Color Bits/Index =Pen Number Color HP-GL/2 PalettesTwo Pens Four PensEight Pens Foreground Color Command Foreground Color? *v#S Color raster images ? *v#A Programming Color PalettesColor Component One Color Component Two?*v#I Color Component ThreeAssign Color Index ?*v#CModifying Output Color ? *t#J Render Algorithm CommandHalftone Render Algorithms Device Best DitherMonochrome Print Mode Command Monochrome Printing?&b#M Select Treatment Driver Configuration CommandDeviceid FunctionindexScreen Match Treatment Command Other Color LaserJetFinish Mode Command Default =?&b#F PCL Print Model PCL Print Model Opaque and Transparency Modes Page Effect of Transparency Modes on Images Operation Comments Command SequenceSource Transparency Mode Command Default? * v # N ? * v # O Pattern Transparency Mode CommandDefinitions Logical OperationsOperators OperandsOperation Logical Operations and the Print Model Logical Operations and Transparency Interactions Logical Operation Command ?*l # ORoprgb 252 Texture Source Destination ROPs in the RGB Color Space ROPs in the CMY Color Space CMY ROP Truth Tables Using a ROPExample Table of Logical Operations Logical Operations ROP3 Boolean Input Value Function Function Input Value Logical Operations ROP3 BooleanLogical Operations ROP3 Boolean Logical Operations ROP3 Boolean Logical Operations ROP3 Boolean Pixel Placement Pixel Placement Pixel Placement Variations ?*l # R Pixel Placement CommandHP-GL/2 Patterns Filling with PatternsPatterns for Text and Raster Images Patterns for RectanglesSelecting User-Defined patterns1 Pattern ID Area Fill ID CommandShading Patterns Cross-Hatch Patterns ? * v # T Select Current Pattern CommandUser-Defined Pattern Graphics Using User-Defined PatternsHow the Printer Tiles a Pattern 10 Pattern Layout Across the Printable Area Pattern Reference Point 11 Moving Pattern Reference Point for Pattern Filling Format Byte Download Pattern CommandHeight in Pixels Bytes 4 Continuation BytePixel Encoding Byte Reserved ByteUser-defined Pattern Example Page Previous example, the raster data code is presented ? * p # R Set Pattern Reference Point Command? * c # Q Pattern Control CommandRectangular Area Fills Rules ? * c # H Horizontal Rectangle Size PCL UnitsHorizontal Rectangle Size Decipoints ? * c # a? * c # Vertical Rectangle Size PCL UnitsVertical Rectangle Size Decipoints ? * c # B? * c # P Fill Rectangular AreaPrinter Language Technical Reference Manual for logical Pattern Transparency for Rectangular Area Fill 12 Effect of Transparency Modes on Rectangular Areas Solid Fill Black/White Rectangular Fill Examples13 Solid Fill Example Shaded Fill Page PCL Print Model Raster Graphics Page Image Type Number Bits per Components Raster Area PCL 5 Color Raster GraphicsPage Well-Behaved Raster Command Sequence Raster Graphics Command SequenceEmphasis in the previous command sequence is that the Raster ? * t # R Raster Graphics Resolution CommandRaster Graphics Expansion at 300 dpi Raster Graphics Presentation Mode Command Default = Range = 0? * r # F Raster Graphics Presentation Mode for Portrait Orientation Raster Graphics Presentation Mode for Landscape Orientation ? * r # T Source Raster Height CommandMaximum Raster Height ? * r # S Source Raster Width CommandMaximum Raster Width ? * r # a Start Raster Graphics CommandPage ? * b # Y Raster Y Offset CommandSet Compression Method Command ? * b # M Unencoded MethodRun-length Encoding Method Tagged Image File Format Encoding Method# of Bytes Binary value Decimal value 0000 127 0111 Unencoded Examples Run-length and Tiff CompressionTiff Encoding Command byte1 to 8 Replacement bytesDelta Row Compression Method Run-length EncodingPage Seed Row 11111111 Printing a Zeroed Row Setting the Seed Row to ZeroRepeating a Row Example Delta Row CompressionRow 00001111 11111111 10101010 Adaptive Compression MethodValue Compression Operation Duplicate Row Empty RowComparison Guide for specifics Adaptive Compression Operation HintsTransfer Raster Data Commands Transfer Raster Data by Plane Transfer Raster Data By Row/Block Command?*b2m3W binary data Byte Counts and the Tiff v4.0 Compression Mode? * r C End Raster Graphics CommandResolution Scaling Raster ScalingArbitrary Scaling ? * t # Destination Raster WidthDestination Raster Height ? * t # HRaster Graphics Example Page Page Example of Raster Graphic Image Data Color Raster Graphics Example PCL Command Description Command ArgumentsRaster Graphics Raster Graphics Color Vector Graphics HP-GL/2 ?%#B Enter HP-GL/2 ModePage Default Settings when Entering HP-GL/2 Page MC Merge Control DefaultPixel Combinations Desired Destination Values Page Logical Operations ROP3 Boolean Input Value Function Logical Operations ROP3 Boolean Logical Operations ROP3 Boolean Logical Operations ROP3 Boolean Logical Operations ROP3 Boolean PC Pen Color Parameter Format Functional Range DefaultYellow Shading Fill Type command FT10, the shading levels are NP Number of Pens Page CR Color Range PP Pixel Placement Pixel Placement PP, Pixel Placement Command Mode Clamped integer Grid IntersectionParameter Format Functional Color Printing Overview Color LaserJet, 5, 5M DeskJet Page Raster Color vs. Non-Raster Color Raster ModeColor Concepts PalettesBlack and White References Device-Dependent vs. Device-Independent ColorScenario White Reference Black Reference Color SelectionEncoding by Plane Pixel EncodingPlanar Encoding Pixel Encoding Color ModesEncoding by Pixel C4 c3 c2 c1Device-Independent Color Spaces Device-Dependent Color SpacesPage Device-Independent Color Device-Dependent ColorDevice-Independent Color Color Matching Color Lookup Tables Color Appearance MatchingIllumination Models Marking Primitives Processing Color DocumentsNon-Raster Color vs. Raster Color Color Raster DataColor Processing Functions Color Printing Overview Color LaserJet, 5, 5M, DeskJet Using Color Modes Color LaserJet, 5, 5M DeskJet Introduction HP-GL/2 Imaging Mode Simple Color Mode Simple Color palettes are shown below ?*v#Wbinary data Bits/primary #2 Bits/primary #3 Byte 15 MSB LSB Color space Ubyte Pixel encoding modeCommon 6-Byte Header Bits/index Bits/primary #1Byte Value Pixel Encoding Mode Restrictions Mode 0 Indexed by Plane Mode 1 Indexed by Pixel Mode 2 Direct by Plane Bytes are always 1 for this Byte 3 Number of Bits for Primary #1 Byte 5 Number of Bits for Primary #3 Byte 4 Number of Bits for Primary #2Short Form of CID Command Configure Image Data Data Range Scaling Long Form of CID Command Configure Image Data Device RGB Long FormByte 15 msb Lsb CIE L*a*b* Long Form Device CMY Long FormByte 15 msb Lsb Sign Exponent Fractional Portion Colorimetric RGB Long FormByte 15 msb Lsb Luminance-Chrominance Long Form Byte 15 msb Lsb Byte 15 msb Lsb Device RGB or Device CMY Examples Using the CID CommandCIE L*a*b Non-Linear Smpte RGB, 2.2 Gamma, 1.0 GainNon-Linear Sony Trinitron YUV Chrominance-Luminance with Sony Trinitron YUV Chrominance-Luminance Color SpaceHP-GL/2 Imaging Mode Using Palettes Color LaserJet, 5, 5M DeskJet Page Saving the Palette Page Palette Management by ID Select Palette Command Page Palette Control ID Palette Control Page Using Palettes Color LaserJet, 5, 5M, DeskJet C-11 Plane CMY value = Device RGB Palettes Bits/Index = 3 through Device CMY and Device-Independent Palettes HP-GL/2 Palettes Using Palettes Color LaserJet, 5, 5M, DeskJet C-17 ?*v#S Foreground Color CommandColor raster images ?*v#B Color Component OneColor Component Two ?*v#AAssign Color Index Color Component ThreeUsing Palettes Color LaserJet, 5, 5M, DeskJet Modifying Output Color Color LaserJet, 5, 5M DeskJet Page ?*t#J Error Diffusion Snap to PrimariesSnap Black to White, Colors to Black Ordered Dither and Clustered Ordered Dither Monochrome RenderingUser-Defined Dithering Non-Continuous Tone Algorithms User-Defined DithersDownload Dither Matrix Command Byte 15 msb Lsb Data Bytes FormatNumber of Planes Height and WidthMultiple Dither Matrices Example Byte 15 msb Lsb Color Lookup Tables Color Lookup Tables CommandFigure D-1 Color Lookup Tables Byte 15 msb Lsb Value Color Space Gamma Correction Command Gamma Correction?*t#I Viewing Illuminant Viewing Illuminant CommandIlluminant Chromaticity Monochrome Print Mode Command Function Description Argument Range Index Value Printer Color LaserJet printerLightness SaturationScaling Out of Gamut No AdjustmentProcess Blue TransparencyDownload Color Map Setting Description MapID Device DependentSetting Description MapID Setting Description MapID Device-Independent Index Index-2 Index-3 Index-4 Index-5 Index-6