Method Image.TGA.encode()

Method encode

string encode(object image)
string encode(object image, object mappingoptions)

Description

Encodes a Targa image.

The options argument may be a mapping containing zero or more encoding options:

normal options:
    "alpha":image object
        Use this image as alpha channel
        (Note: Targa alpha channel is grey.
         The values are calculated by (r+2g+b)/4.)
 
    "raw":1
        Do not RLE encode the image