See: Description
Class | Description |
---|---|
Average |
We can use raw on the right hand side of
the decoding formula because it is already decoded.
|
None |
The none algorithm.
|
Optimum |
In an Uptimum encoded image, each line takes up width*bpp+1 bytes.
|
Paeth |
From http://www.w3.org/TR/PNG-Filters.html: The Paeth filter computes a
simple linear function of the three neighboring pixels (left, above, upper
left), then chooses as predictor the neighboring pixel closest to the
computed value.
|
PredictorAlgorithm |
Implements different PNG predictor algorithms that is used in PDF files.
|
Sub |
The sub algorithm.
|
Up |
The up algorithm.
|
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