PHP Class Grafika\Gd\Helper\GifHelper

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Public Methods

Method	Description
decode ( GifByteStream $bytes ) : array	Decode GIF into array of data for easy use in PHP userland.
decodeToBlocks ( GifByteStream $bytes ) : array	Decompose GIF into its block components. The GIF blocks are in the order that they appear in the byte stream.
encode ( array $data ) : string	Encode data into GIF hex string.
expandBlocks ( array $blocks ) : array	Expand GIF blocks into useful info.
isAnimated ( GifByteStream $bytes ) : boolean
load ( string $bin ) : GifByteStream
open ( $imageFile ) : GifByteStream
resize ( $blocks, $newW, $newH ) : array
splitFrames ( array $blocks ) : array

Private Methods

Method	Description
_asciiToHex ( $asciiString ) : string
_fixSize ( $string, $size, string $char = '0' ) : string
_hexToAscii ( $hexString ) : string
_hexToBin ( $hexString ) : string
_switchEndian ( $hexString ) : string

Method Details

decode() public method

Decode GIF into array of data for easy use in PHP userland.

public decode ( GifByteStream $bytes ) : array
$bytes	GifByteStream	Decode byte stream into array of GIF blocks.
return	array	Array containing GIF data

decodeToBlocks() public method

Decompose GIF into its block components. The GIF blocks are in the order that they appear in the byte stream.

public decodeToBlocks ( GifByteStream $bytes ) : array
$bytes	GifByteStream
return	array

encode() public method

Encode data into GIF hex string.

public encode ( array $data ) : string
$data	array	The array returned by decode.
return	string	Hex string of GIF

expandBlocks() public method

Expand GIF blocks into useful info.

public expandBlocks ( array $blocks ) : array
$blocks	array	Accepts the array returned by decodeToBlocks
return	array

isAnimated() public method

public isAnimated ( GifByteStream $bytes ) : boolean
$bytes	GifByteStream
return	boolean

load() public method

public load ( string $bin ) : GifByteStream
$bin	string	Raw binary data from imagegif or file_get_contents
return	GifByteStream

open() public method

public open ( $imageFile ) : GifByteStream
$imageFile
return	GifByteStream

resize() public method

public resize ( $blocks, $newW, $newH ) : array
$blocks
$newW
$newH
return	array	$blocks

splitFrames() public method

public splitFrames ( array $blocks ) : array
$blocks	array	The array returned by decode.
return	array	Array of images each containing 1 of each frames of the original image.