<CGBitmapContext> ( data dim -- context )

Vocabulary

core-graphics.private

Inputs

data	an object
dim	an object

Outputs

context

an object

Definition

USING: core-graphics kernel math sequences ;

IN: core-graphics.private

: <CGBitmapContext> ( data dim -- context )
    [ first2 8 ] [ first 4 * ] bi
    bitmap-color-space bitmap-flags CGBitmapContextCreate
    [ "CGBitmapContextCreate failed" throw ] unless* ;