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A-Shell Development History

(Windows, ATE) AUI_IMAGE now supports saving to PNG format in the acquire and capture operations. The comp parameter indicates one of the following compression filtering options:

Symbol

Value

Meaning

PNGF_ALL

0

Use best filter for each row (best compression)

PNGF_NONE

2

No filter (fastest)

PNGF_SUB

4

Difference filter with adjacent pixel

PNGF_UP

6

Difference filter with previous row

PNGF_AVG

8

Average filter

PNGF_PAETH

10

Paeth filter

 

You can add the following to any of the above

PNGF_INTERLACE +1    Save as interlaced file