Method Image.PNG.encode()

Method encode

string encode(Image.Image image)
string encode(Image.Image image, mapping options)

Description

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

__decode

Note

Please read some about PNG files.