Index

  1. \setasign\SetaPDF2
    1. Core
      1. DataStructure
        1. Color
          1. AbstractColor
          2. Cmyk
          3. Gray
          4. Rgb
          5. Special

setasign\SetaPDF2\Core\DataStructure\Color

Cmyk CMYK Color

File: /SetaPDF v2/Core/DataStructure/Color/Cmyk.php
Old class name (alias): \SetaPDF_Core_DataStructure_Color_Cmyk

Class hierarchy

Implements

Summary

Static Methods

Methods

Properties

Properties

$_components

protected \setasign\SetaPDF2\Core\Type\PdfArray AbstractColor::$_components

The array of color components


Static Methods

createByComponents()

public static AbstractColor::createByComponents (
int|float|string|array|\setasign\SetaPDF2\Core\Type\PdfArray $components
): AbstractColor

Create an instance by a PDF array object, PHP array or a hexadecimal string of an RGB value.

Parameters
$components: int|float|string|array|\setasign\SetaPDF2\Core\Type\PdfArray
 
Exceptions

Throws \InvalidArgumentException

hexToRgb()

WARNING: This method is marked as deprecated!

Use Rgb::hexToRgb() instead.

public static AbstractColor::hexToRgb (
string $hex
): array

Converts a hex encoded string (3 or 6 characters) into a component array of red, green and blue values.

Parameters
$hex: string
 

writePdfString()

public static Cmyk::writePdfString (
\setasign\SetaPDF2\Core\Writer\WriteInterface $writer,
array|float $componentsOrC,
bool|float $strokingOrM = 0.0,
float $y = 0.0,
float $k = 0.0,
bool $stroking = true
): void

Writes a color definition directly to a writer.

Parameters
$writer: \setasign\SetaPDF2\Core\Writer\WriteInterface
 
$componentsOrC: array|float

An array of 4 components or the value for the cyan component

$strokingOrM: bool|float

Stroking flag or the value for the magenta component

$y: float

The value for the yellow component

$k: float

The value for the black component

$stroking: bool

Stroking flag

Exceptions

Throws \InvalidArgumentException

writePdfStringByComponents()

public static AbstractColor::writePdfStringByComponents (
\setasign\SetaPDF2\Core\Writer\WriteInterface $writer,
array|int|float|string $components,
bool $stroking = true
): void

Writes a color definition directly to a writer.

Parameters
$writer: \setasign\SetaPDF2\Core\Writer\WriteInterface
 
$components: array|int|float|string
 
$stroking: bool
 
Exceptions

Throws \InvalidArgumentException


Methods

__construct()

public Cmyk::__construct (
\setasign\SetaPDF2\Core\Type\PdfArray|array|float $componentsOrC,
float $m = 0.0,
float $y = 0.0,
float $k = 0.0
)

The constructor.

Parameters
$componentsOrC: \setasign\SetaPDF2\Core\Type\PdfArray|array|float
 
$m: float
 
$y: float
 
$k: float
 
Exceptions

Throws \InvalidArgumentException

__clone()

public AbstractColor::__clone (
void
): void

Implementation of __clone().

adjustAllComponents()

public AbstractColor::adjustAllComponents (
int|float $by
): void

Adjust all color components by a specific value.

Parameters
$by: int|float
 

draw()

public Cmyk::draw (
\setasign\SetaPDF2\Core\Writer\WriteInterface $writer,
bool $stroking = true
): void

Draw the color on a writer.

Parameters
$writer: \setasign\SetaPDF2\Core\Writer\WriteInterface
 
$stroking: bool
 
See

getValue()

public AbstractColor::getValue (
void
): \setasign\SetaPDF2\Core\Type\PdfArray

Get the components of the color.

toPhp()

public AbstractColor::toPhp (
void
): array

Get the data as a PHP value.


© 2026 Setasign GmbH & Co. KG · Contact / Imprint · Data Privacy Statement (German)