Value |
Meaning |
---|---|
1 |
No prediction (the default value) |
2 |
TIFF Predictor 2 |
10 |
PNG prediction (on encoding, PNG None on all rows) |
11 |
PNG prediction (on encoding, PNG Sub on all rows) |
12 |
PNG prediction (on encoding, PNG Up on all rows) |
13 |
PNG prediction (on encoding, PNG Average on all rows) |
14 |
PNG prediction (on encoding, PNG Paeth on all rows) |
15 |
PNG prediction (on encoding, PNG optimum) |