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; The Scheme code in this file provides some compatibility with
; scripts that were originally written for use with older versions of
; GIMP.
;
; It provides PDB procedures that used to be provided by plug-ins that
; were since then removed from the GIMP distribution. You should not
; use these in newly written scripts as the functions defined here may
; be removed at some later date.
(define (plug-in-color-map run-mode img layer
src-color-1 src-color-2 dest-color-1 dest-color-2
map-mode)
(gimp-levels layer HISTOGRAM-RED
(car src-color-1) (car src-color-2) 1.0
(- 255 (car dest-color-1)) (- 255 (car dest-color-2)))
(gimp-levels layer HISTOGRAM-GREEN
(cadr src-color-1) (cadr src-color-2) 1.0
(- 255 (cadr dest-color-1)) (- 255 (cadr dest-color-2)))
(gimp-levels layer HISTOGRAM-BLUE
(caddr src-color-1) (caddr src-color-2) 1.0
(- 255 (caddr dest-color-1)) (- 255 (caddr dest-color-2)))
(gimp-levels layer HISTOGRAM-VALUE 0 255 1.0 255 0)
)
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