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 9.
"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.