png-group-width ( loading-png -- n )

Vocabulary

images.png

Inputs

loading-png

an object

Outputs

n

an object

Definition

USING: accessors kernel math ;

IN: images.png

: png-group-width ( loading-png -- n )
    [ [ png-components-per-pixel ] [ bit-depth>> ] bi * ]
    [ width>> ] bi * 1 + ;