FilterDecoder¶
| Qualified name: | Mike42\GfxPhp\Codec\Png\FilterDecoder |
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class
FilterDecoder¶ -
unfilterImage(string $binData, int $scanlineBytes, int $channels, int $bitDepth)¶ Parameters: - $binData (string) –
- $scanlineBytes (int) –
- $channels (int) –
- $bitDepth (int) –
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unfilterScanline(array $currentFiltered, array $prior, int $filterType, int $bpp)¶ Unfilter an individual scanline
Parameters: - $currentFiltered (array) –
- $prior (array) –
- $filterType (int) –
- $bpp (int) –
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