Line Art Effect: Photo effect using the Gimp.

Line Art Effect:

This will turn a photo into a Line Art effect:

Here is the code -->
;*************************************************************************************** 
; Lineart script for GIMP 2.x
;*************************************************************************************** 
(define (script-fu-lineart
        img
        drawable
    )
    (gimp-undo-push-group-start img)
     (let*    (
            (width (car (gimp-drawable-width drawable)))
            (height (car (gimp-drawable-height drawable)))
            (TEMP1 (car (gimp-layer-new-from-drawable drawable img)))
            (TEMP2 (car (gimp-layer-new-from-drawable drawable img)))
            (TEMP3 (car (gimp-layer-new-from-drawable drawable img)))
            (TEMP4 (car (gimp-layer-new-from-drawable drawable img)))
            (TEMP5 (car (gimp-layer-new-from-drawable drawable img)))
        )
        (gimp-image-add-layer img TEMP1 -1)
        (gimp-image-add-layer img TEMP2 -1)
        (plug-in-despeckle RUN-NONINTERACTIVE img TEMP1 (* width .003) 1 -1 256)
        (plug-in-sel-gauss RUN-NONINTERACTIVE img TEMP1 (* width .003) 13)
        (gimp-edit-copy TEMP1)
        (gimp-floating-sel-anchor (car (gimp-edit-paste TEMP2 0)))
        (plug-in-gauss RUN-NONINTERACTIVE img TEMP2 (* width .007) (* height .007) 1)
        (gimp-layer-set-mode TEMP2 DIVIDE-MODE)
        (gimp-image-merge-down img TEMP2 0)
        (set! TEMP1 (car (gimp-image-get-active-layer img)))
        (gimp-desaturate-full TEMP1 DESATURATE-AVERAGE)
        (gimp-image-add-layer img TEMP3 -1)
        (gimp-image-add-layer img TEMP4 -1)
        (gimp-layer-set-mode TEMP3 MULTIPLY-MODE)
        (gimp-layer-set-mode TEMP4 MULTIPLY-MODE)
        (gimp-edit-copy TEMP1)
        (gimp-floating-sel-anchor (car (gimp-edit-paste TEMP3 0)))
        (gimp-floating-sel-anchor (car (gimp-edit-paste TEMP4 0)))
        (gimp-image-merge-down img TEMP3 0)
        (gimp-image-merge-down img TEMP4 0)
        (set! TEMP1 (car (gimp-image-get-active-layer img)))
        (gimp-threshold TEMP1 228 255)
        (gimp-image-add-layer img TEMP5 -1)
        (gimp-desaturate-full TEMP5 DESATURATE-AVERAGE)
        (gimp-brightness-contrast TEMP5 83 120)
        (gimp-layer-set-mode TEMP5 MULTIPLY-MODE)
        (gimp-layer-set-opacity TEMP5 40.0)
        (gimp-image-merge-down img TEMP5 0)
        (set! TEMP1 (car (gimp-image-get-active-layer img)))
        (gimp-layer-set-name TEMP1 "Lineart")
        (gimp-undo-push-group-end img)
        (gimp-displays-flush)
    )
)
(script-fu-register
 "script-fu-lineart"
 _"<Image>/Script-Fu/Artistic/Lineart"
 "Creates a Line Drawing Fine Line Effect."
 ""
 ""
 ""
 "RGB*"
 SF-IMAGE    "Image"        0
 SF-DRAWABLE    "Drawable"    0
)

Line Art