- Method encode
Encodes a PNG image.
- Parameter options
"alpha" : Image.Image
Use this image as alpha channel (Note: PNG alpha channel is grey. The values are calculated by (r+2g+b)/4.)
"palette" : Image.Colortable
Use this as palette for pseudocolor encoding (Note: encoding with alpha channel and pseudocolor at the same time are not supported)
"zlevel" : int(0..9)
The level of z-compression to be applied. Default is 8.
"zstrategy" : int
The type of LZ77 strategy to be used. Possible values are Gz.DEFAULT_STRATEGY, Gz.FILTERED, Gz.HUFFMAN_ONLY, Gz.RLE, Gz.FIXED. Default is Gz.DEFAULT_STRATEGY.
- See also
Please read some about PNG files.