mirror of https://github.com/GNOME/gimp.git
202 lines
7.6 KiB
Scheme
202 lines
7.6 KiB
Scheme
; CHROME-LOGO2
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; State of the art chrome logos
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;
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(define (set-pt a index x y)
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(prog1
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(aset a (* index 2) x)
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(aset a (+ (* index 2) 1) y)))
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(define (spline1)
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(let* ((a (cons-array 18 'byte)))
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(set-pt a 0 0 0)
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(set-pt a 1 31 235)
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(set-pt a 2 63 23)
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(set-pt a 3 95 230)
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(set-pt a 4 127 25)
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(set-pt a 5 159 210)
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(set-pt a 6 191 20)
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(set-pt a 7 223 240)
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(set-pt a 8 255 31)
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a))
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(define (brush brush-size)
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(cond ((<= brush-size 5) "Circle Fuzzy (05)")
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((<= brush-size 7) "Circle Fuzzy (07)")
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((<= brush-size 9) "Circle Fuzzy (09)")
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((<= brush-size 11) "Circle Fuzzy (11)")
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((<= brush-size 13) "Circle Fuzzy (13)")
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((<= brush-size 15) "Circle Fuzzy (15)")
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((<= brush-size 17) "Circle Fuzzy (17)")
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(else "Circle Fuzzy (19)")))
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(define (shadows val)
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(/ (* 0.96 val) 2.55))
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(define (midtones val)
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(/ val 2.55))
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(define (highlights val)
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(let ((h (/ (* 1.108 val) 2.55)))
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(if (> h 100) 100 h)))
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(define (rval col)
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(car col))
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(define (gval col)
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(cadr col))
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(define (bval col)
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(caddr col))
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(define (sota-scale val scale chrome-factor)
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(* (sqrt val) (* scale chrome-factor)))
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(define (copy-layer-sota dest-image dest-drawable source-image source-drawable)
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(gimp-selection-all dest-image)
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(gimp-edit-clear dest-drawable)
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(gimp-selection-none dest-image)
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(gimp-selection-all source-image)
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(gimp-edit-copy source-drawable)
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(let ((floating-sel (car (gimp-edit-paste dest-drawable FALSE))))
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(gimp-floating-sel-anchor floating-sel)))
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(define (script-fu-sota-chrome-logo chrome-saturation chrome-lightness chrome-factor
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text size fontname env-map hc cc)
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(let* ((img (car (gimp-image-new 256 256 GRAY)))
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(banding-img (car (gimp-file-load 1 env-map env-map)))
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(banding-layer (car (gimp-image-get-active-drawable banding-img)))
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(banding-height (car (gimp-drawable-height banding-layer)))
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(banding-width (car (gimp-drawable-width banding-layer)))
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(banding-type (car (gimp-drawable-type banding-layer)))
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(b-size (sota-scale size 2 chrome-factor))
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(offx1 (sota-scale size 0.33 chrome-factor))
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(offy1 (sota-scale size 0.25 chrome-factor))
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(offx2 (sota-scale size (- 0.33) chrome-factor))
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(offy2 (sota-scale size (- 0.25) chrome-factor))
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(feather (sota-scale size 0.5 chrome-factor))
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(brush-size (sota-scale size 0.5 chrome-factor))
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(text-layer (car (gimp-text-fontname img -1 0 0 text (* b-size 2) TRUE size PIXELS fontname)))
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(width (car (gimp-drawable-width text-layer)))
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(height (car (gimp-drawable-height text-layer)))
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(layer1 (car (gimp-layer-new img banding-width banding-height banding-type "Layer1" 100 NORMAL-MODE)))
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(layer2 (car (gimp-layer-new img width height GRAYA-IMAGE "Layer 2" 100 DIFFERENCE-MODE)))
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(layer3 (car (gimp-layer-new img width height GRAYA-IMAGE "Layer 3" 100 NORMAL-MODE)))
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(shadow (car (gimp-layer-new img width height GRAYA-IMAGE "Drop Shadow" 100 NORMAL-MODE)))
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(layer-mask 0))
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(gimp-context-push)
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(gimp-image-undo-disable img)
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(gimp-image-resize img width height 0 0)
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(gimp-image-add-layer img shadow 0)
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(gimp-image-add-layer img layer3 0)
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(gimp-image-add-layer img layer2 0)
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(gimp-context-set-background '(255 255 255))
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(gimp-selection-none img)
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(gimp-edit-fill layer2 BACKGROUND-FILL)
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(gimp-edit-fill layer3 BACKGROUND-FILL)
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(gimp-edit-clear shadow)
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(gimp-drawable-set-visible text-layer FALSE)
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(gimp-drawable-set-visible shadow FALSE)
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(gimp-rect-select img (/ b-size 2) (/ b-size 2) (- width b-size) (- height b-size) CHANNEL-OP-REPLACE 0 0)
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(gimp-rect-select img b-size b-size (- width (* b-size 2)) (- height (* b-size 2)) CHANNEL-OP-SUBTRACT 0 0)
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(gimp-edit-fill text-layer BACKGROUND-FILL)
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(gimp-selection-layer-alpha text-layer)
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(gimp-context-set-background '(0 0 0))
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(gimp-selection-translate img offx1 offy1)
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(gimp-selection-feather img feather)
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(gimp-edit-fill layer2 BACKGROUND-FILL)
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(gimp-selection-translate img (* 2 offx2) (* 2 offy2))
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(gimp-edit-fill layer3 BACKGROUND-FILL)
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(gimp-selection-none img)
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(gimp-drawable-set-visible layer2 TRUE)
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(gimp-drawable-set-visible layer3 TRUE)
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(set! layer2 (car (gimp-image-merge-visible-layers img CLIP-TO-IMAGE)))
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(gimp-invert layer2)
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(gimp-image-add-layer img layer1 0)
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(copy-layer-sota img layer1 banding-img banding-layer)
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(gimp-image-delete banding-img)
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(gimp-layer-scale layer1 width height FALSE)
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(plug-in-gauss-iir 1 img layer1 10 TRUE TRUE)
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(gimp-layer-set-opacity layer1 50)
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(gimp-drawable-set-visible layer1 TRUE)
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(gimp-drawable-set-visible layer2 TRUE)
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(set! layer1 (car (gimp-image-merge-visible-layers img CLIP-TO-IMAGE)))
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(gimp-curves-spline layer1 0 18 (spline1))
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(set! layer-mask (car (gimp-layer-create-mask layer1 ADD-BLACK-MASK)))
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(gimp-layer-add-mask layer1 layer-mask)
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(gimp-selection-layer-alpha text-layer)
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(gimp-context-set-background '(255 255 255))
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(gimp-edit-fill layer-mask BACKGROUND-FILL)
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(set! layer2 (car (gimp-layer-copy layer1 TRUE)))
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(gimp-image-add-layer img layer2 0)
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(gimp-context-set-brush (brush brush-size))
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(gimp-context-set-foreground '(255 255 255))
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(gimp-edit-stroke layer-mask)
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(gimp-context-set-background '(0 0 0))
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(gimp-selection-feather img (* feather 1.5))
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(gimp-selection-translate img (* 2.5 offx1) (* 2.5 offy1))
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(gimp-edit-fill shadow BACKGROUND-FILL)
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(gimp-selection-all img)
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(gimp-context-set-pattern "Marble #1")
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(gimp-edit-bucket-fill text-layer PATTERN-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
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(gimp-selection-none img)
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(gimp-image-convert-rgb img)
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(gimp-color-balance layer1 0 TRUE (shadows (rval hc)) (shadows (gval hc)) (shadows (bval hc)))
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(gimp-color-balance layer1 1 TRUE (midtones (rval hc)) (midtones (gval hc)) (midtones (bval hc)))
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(gimp-color-balance layer1 2 TRUE (highlights (rval hc)) (highlights (gval hc)) (highlights (bval hc)))
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(gimp-color-balance layer2 0 TRUE (shadows (rval cc)) (shadows (gval cc)) (shadows (bval cc)))
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(gimp-color-balance layer2 1 TRUE (midtones (rval cc)) (midtones (gval cc)) (midtones (bval cc)))
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(gimp-color-balance layer2 2 TRUE (highlights (rval cc)) (highlights (gval cc)) (highlights (bval cc)))
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(gimp-hue-saturation layer2 0 0 chrome-lightness chrome-saturation)
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(gimp-drawable-set-visible shadow TRUE)
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(gimp-drawable-set-visible text-layer TRUE)
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(gimp-drawable-set-name text-layer "Background")
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(gimp-drawable-set-name layer2 "Chrome")
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(gimp-drawable-set-name layer1 "Highlight")
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(gimp-layer-translate shadow (/ b-size -4) (/ b-size -4))
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(gimp-layer-translate layer2 (/ b-size -4) (/ b-size -4))
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(gimp-layer-translate layer1 (/ b-size -4) (/ b-size -4))
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(gimp-image-undo-enable img)
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(gimp-display-new img)
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(gimp-context-pop)))
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(script-fu-register "script-fu-sota-chrome-logo"
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_"SOTA Chrome..."
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"State of the art chromed logos"
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"Spencer Kimball"
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"Spencer Kimball"
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"1997"
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""
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SF-ADJUSTMENT _"Chrome saturation" '(-80 -100 100 1 10 0 0)
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SF-ADJUSTMENT _"Chrome lightness" '(-47 -100 100 1 10 0 0)
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SF-ADJUSTMENT _"Chrome factor" '(.75 0 1 .1 .01 2 0)
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SF-STRING _"Text" "The GIMP"
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SF-ADJUSTMENT _"Font size (pixels)" '(150 2 1000 1 10 0 1)
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SF-FONT _"Font" "RoostHeavy"
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SF-FILENAME _"Environment map"
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(string-append ""
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gimp-data-directory
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"/scripts/images/beavis.jpg")
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SF-COLOR _"Highlight balance" '(211 95 0)
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SF-COLOR _"Chrome balance" '(0 0 0))
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(script-fu-menu-register "script-fu-sota-chrome-logo"
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"<Toolbox>/Xtns/Logos")
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