アニメのGB素材を作ってみる(GIMP) - さメモ の線画抽出部分のスクリプトです。
色々分かっていないところがありますが、とりあえず。
%APPDATA%\gimp\2.10\scripts\script.scm
(define (line-drawing-extraction img layer radius) (gimp-undo-push-group-start img) ; レイヤーを複製 (define layer2 (car (gimp-layer-copy layer 1))) (gimp-image-insert-layer img layer2 0 0) ; 色 > 脱色 > 脱色 (gimp-drawable-desaturate layer2 DESATURATE-LUMINANCE) ; レイヤーを複製 (define layer3 (car (gimp-layer-copy layer2 1))) (gimp-image-insert-layer img layer3 0 0) ; 色 > 階調を反転 (gimp-drawable-invert layer3 FALSE) ; フィルター > ぼかし > ガウスぼかし (plug-in-gauss-rle2 RUN-NONINTERACTIVE img layer3 radius radius) ; レイヤーモード 覆い焼き (gimp-layer-set-mode layer3 DODGE-MODE) ; 下のレイヤーに統合 (gimp-image-merge-down img layer3 CLIP-TO-IMAGE) (gimp-undo-push-group-end img) (gimp-drawable-update layer 0 0 (car (gimp-drawable-width layer)) (car (gimp-drawable-height layer))) (gimp-displays-flush) ) (script-fu-register "line-drawing-extraction" "<Image>/Script-Fu/line-drawing-extraction" "Line-drawing extraction" "sandas" "copyright 2023 sandas" "2023" "*" SF-IMAGE "Input Image" 0 SF-DRAWABLE "Input Layer" 0 SF-VALUE "radius of gaussian blur" "3" )