Pike v8.0 release 1738

Method Image.ANY.decode_alpha()


Method decode_alpha

mapping _decode(string data)
object decode(string data)
object decode_alpha(string data)

Description

Tries heuristics to find the correct method of decoding the data, then calls that method.

The result of _decode() is a mapping that contains

"type" : string

File type information as MIME type (ie "image/jpeg" or similar)

"image" : Image.Image

the image object

alpha : int

the alpha channel or 0 if N/A

Note

Throws upon failure.