PDFToolkit object by object

Filters

PngPredictor

Reference / Filters

class final readonly Core · roukmoute/pdf 0.6.1

PDF\Syntax\Filters\PngPredictor
ISO7.4.4.4, physical PDF page37: every row has its own PNG selector byte.

Read the source declaration ↗

Inheritance and contracts

Interfaces : PDF\Syntax\Filters\Predictor

Construction

__construct()

public function __construct(PDF\Syntax\Filters\PredictorLayout $layout = new PredictorLayout(), PDF\Syntax\Filters\PngFilterSelection $selection = new AdaptivePngFilterSelection())

Declared by PDF\Syntax\Filters\PngPredictor · View the code ↗

Declared methods

encode()

public function encode(string $bytes): string

Declared by PDF\Syntax\Filters\PngPredictor · View the code ↗

parameters()

public function parameters(): PDF\Syntax\Object\DictionaryType

Declared by PDF\Syntax\Filters\PngPredictor · View the code ↗

Properties

DeclarationOrigin and documentation
public readonly PDF\Syntax\Filters\PredictorLayout $layoutPDF\Syntax\Filters\PngPredictor
public readonly PDF\Syntax\Object\IntegerType $predictorPDF\Syntax\Filters\PngPredictor
public readonly PDF\Syntax\Filters\PngFilterSelection $selectionPDF\Syntax\Filters\PngPredictor