class-Com.Tecnick.Pdf.Image.Import.Png

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Class Png

Com\Tecnick\Pdf\Image\Import\Png

Namespace: Com\Tecnick\Pdf\Image\Import
Package: PdfImage
Category: Library
Copyright: 2011-2016 Nicola Asuni - Tecnick.com LTD
License: GNU-LGPL v3 (see LICENSE.TXT)
Author: Nicola Asuni info@tecnick.com
Since: 2011-05-23
Link: https://github.com/tecnickcom/tc-lib-pdf-image
Located at Import/Png.php
Methods summary
public array
# getData( string $data )

Extract data from a PNG image

protected array
# getIhdrChunk( string $data, integer & $offset )

Extract the IHDR chunk data

protected array
# getChunks( string $data, integer $offset )

Extract chunks data from a PNG image

protected array
# getPlteChunk( string $data, integer & $offset, integer $len )

Extract the PLTE chunk data

protected array
# getTrnsChunk( string $data, integer & $offset, integer $len )

Extract the tRNS chunk data

protected array
# getIdatChunk( string $data, integer & $offset, integer $len )

Extract the IDAT chunk data

protected array
# getIccpChunk( Com\Tecnick\File\Byte $byte, string $data, integer & $offset, integer $len )

Extract the iCCP chunk data

 

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