/usr/share/gimp/2.0/scripts/chrome-it.scm is in gimp-data 2.6.12-1ubuntu1.4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 | ; CHROME-IT
; State of the art chrome effect for user-specified mask
; This script requires a grayscale image containing a single layer.
; This layer is used as the mask for the SOTA chrome effect
(define (script-fu-sota-chrome-it mask-img mask-drawable chrome-saturation
chrome-lightness chrome-factor env-map hc cc carve-white)
(define (set-pt a index x y)
(begin
(aset a (* index 2) x)
(aset a (+ (* index 2) 1) y)
)
)
(define (spline-chrome-it)
(let* ((a (cons-array 18 'byte)))
(set-pt a 0 0 0)
(set-pt a 1 31 235)
(set-pt a 2 63 23)
(set-pt a 3 95 230)
(set-pt a 4 127 25)
(set-pt a 5 159 210)
(set-pt a 6 191 20)
(set-pt a 7 223 240)
(set-pt a 8 255 31)
a
)
)
(define (brush brush-size)
(cond ((<= brush-size 5) "Circle Fuzzy (05)")
((<= brush-size 7) "Circle Fuzzy (07)")
((<= brush-size 9) "Circle Fuzzy (09)")
((<= brush-size 11) "Circle Fuzzy (11)")
((<= brush-size 13) "Circle Fuzzy (13)")
((<= brush-size 15) "Circle Fuzzy (15)")
((<= brush-size 17) "Circle Fuzzy (17)")
(else "Circle Fuzzy (19)")
)
)
(define (shadows val)
(/ (* 0.96 val) 2.55)
)
(define (midtones val)
(/ val 2.55)
)
(define (highlights val)
(/ (* 1.108 val) 2.55)
)
(define (rval col)
(car col)
)
(define (gval col)
(cadr col)
)
(define (bval col)
(caddr col)
)
(define (sota-scale val scale chrome-factor)
(* (sqrt val) (* scale chrome-factor))
)
(define (copy-layer-chrome-it dest-image dest-drawable source-image source-drawable)
(gimp-selection-all dest-image)
(gimp-edit-clear dest-drawable)
(gimp-selection-none dest-image)
(gimp-selection-all source-image)
(gimp-edit-copy source-drawable)
(let (
(floating-sel (car (gimp-edit-paste dest-drawable FALSE)))
)
(gimp-floating-sel-anchor floating-sel)
)
)
(let* (
(banding-img (car (gimp-file-load 1 env-map env-map)))
(banding-layer (car (gimp-image-get-active-drawable banding-img)))
(banding-height (car (gimp-drawable-height banding-layer)))
(banding-width (car (gimp-drawable-width banding-layer)))
(banding-type (car (gimp-drawable-type banding-layer)))
(width (car (gimp-drawable-width mask-drawable)))
(height (car (gimp-drawable-height mask-drawable)))
(img (car (gimp-image-new width height GRAY)))
(size (min width height))
(offx1 (sota-scale size 0.33 chrome-factor))
(offy1 (sota-scale size 0.25 chrome-factor))
(offx2 (sota-scale size (- 0.33) chrome-factor))
(offy2 (sota-scale size (- 0.25) chrome-factor))
(feather (sota-scale size 0.5 chrome-factor))
(brush-size (sota-scale size 0.5 chrome-factor))
(mask (car (gimp-channel-new img width height "Chrome Stencil" 50 '(0 0 0))))
(bg-layer (car (gimp-layer-new img width height GRAY-IMAGE "Background" 100 NORMAL-MODE)))
(layer1 (car (gimp-layer-new img banding-width banding-height banding-type "Layer1" 100 NORMAL-MODE)))
(layer2 (car (gimp-layer-new img width height GRAYA-IMAGE "Layer 2" 100 DIFFERENCE-MODE)))
(layer3 (car (gimp-layer-new img width height GRAYA-IMAGE "Layer 3" 100 NORMAL-MODE)))
(shadow (car (gimp-layer-new img width height GRAYA-IMAGE "Drop Shadow" 100 NORMAL-MODE)))
(mask-fs 0)
(layer-mask 0)
)
(gimp-context-push)
(gimp-image-undo-disable img)
(gimp-image-add-channel img mask 0)
(gimp-image-add-layer img bg-layer 0)
(gimp-image-add-layer img shadow 0)
(gimp-image-add-layer img layer3 0)
(gimp-image-add-layer img layer2 0)
(gimp-edit-copy mask-drawable)
(set! mask-fs (car (gimp-edit-paste mask FALSE)))
(gimp-floating-sel-anchor mask-fs)
(if (= carve-white FALSE)
(gimp-invert mask)
)
(gimp-context-set-background '(255 255 255))
(gimp-selection-none img)
(gimp-edit-fill layer2 BACKGROUND-FILL)
(gimp-edit-fill layer3 BACKGROUND-FILL)
(gimp-edit-clear shadow)
(gimp-drawable-set-visible bg-layer FALSE)
(gimp-drawable-set-visible shadow FALSE)
(gimp-selection-load mask)
(gimp-context-set-background '(0 0 0))
(gimp-selection-translate img offx1 offy1)
(gimp-selection-feather img feather)
(gimp-edit-fill layer2 BACKGROUND-FILL)
(gimp-selection-translate img (* 2 offx2) (* 2 offy2))
(gimp-edit-fill layer3 BACKGROUND-FILL)
(gimp-selection-none img)
(set! layer2 (car (gimp-image-merge-visible-layers img CLIP-TO-IMAGE)))
(gimp-invert layer2)
(gimp-image-add-layer img layer1 0)
(copy-layer-chrome-it img layer1 banding-img banding-layer)
(gimp-image-delete banding-img)
(gimp-layer-scale layer1 width height FALSE)
(plug-in-gauss-iir RUN-NONINTERACTIVE img layer1 10 TRUE TRUE)
(gimp-layer-set-opacity layer1 50)
(set! layer1 (car (gimp-image-merge-visible-layers img CLIP-TO-IMAGE)))
(gimp-curves-spline layer1 0 18 (spline-chrome-it))
(set! layer-mask (car (gimp-layer-create-mask layer1 ADD-BLACK-MASK)))
(gimp-layer-add-mask layer1 layer-mask)
(gimp-selection-load mask)
(gimp-context-set-background '(255 255 255))
(gimp-edit-fill layer-mask BACKGROUND-FILL)
(set! layer2 (car (gimp-layer-copy layer1 TRUE)))
(gimp-image-add-layer img layer2 0)
(gimp-context-set-brush (brush brush-size))
(gimp-context-set-foreground '(255 255 255))
(gimp-edit-stroke layer-mask)
(gimp-context-set-background '(0 0 0))
(gimp-selection-feather img (* feather 1.5))
(gimp-selection-translate img (* 2.5 offx1) (* 2.5 offy1))
(gimp-edit-fill shadow BACKGROUND-FILL)
(gimp-selection-all img)
(gimp-context-set-pattern "Marble #1")
(gimp-edit-bucket-fill bg-layer PATTERN-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
(gimp-selection-none img)
(gimp-image-convert-rgb img)
(gimp-color-balance layer1 0 TRUE (shadows (rval hc)) (shadows (gval hc)) (shadows (bval hc)))
(gimp-color-balance layer1 1 TRUE (midtones (rval hc)) (midtones (gval hc)) (midtones (bval hc)))
(gimp-color-balance layer1 2 TRUE (highlights (rval hc)) (highlights (gval hc)) (highlights (bval hc)))
(gimp-color-balance layer2 0 TRUE (shadows (rval cc)) (shadows (gval cc)) (shadows (bval cc)))
(gimp-color-balance layer2 1 TRUE (midtones (rval cc)) (midtones (gval cc)) (midtones (bval cc)))
(gimp-color-balance layer2 2 TRUE (highlights (rval cc)) (highlights (gval cc)) (highlights (bval cc)))
(gimp-hue-saturation layer2 0 0 chrome-lightness chrome-saturation)
(gimp-drawable-set-visible shadow TRUE)
(gimp-drawable-set-visible bg-layer TRUE)
(gimp-drawable-set-name layer2 "Chrome")
(gimp-drawable-set-name layer1 "Highlight")
(gimp-image-remove-channel img mask)
(gimp-display-new img)
(gimp-image-undo-enable img)
(gimp-context-pop)
)
)
(script-fu-register "script-fu-sota-chrome-it"
_"Stencil C_hrome..."
_"Add a chrome effect to the selected region (or alpha) using a specified (grayscale) stencil"
"Spencer Kimball"
"Spencer Kimball"
"1997"
"GRAY"
SF-IMAGE "Chrome image" 0
SF-DRAWABLE "Chrome mask" 0
SF-ADJUSTMENT _"Chrome saturation" '(-80 -100 100 1 10 0 0)
SF-ADJUSTMENT _"Chrome lightness" '(-47 -100 100 1 10 0 0)
SF-ADJUSTMENT _"Chrome factor" '(0.75 0 1 0.1 0.01 2 0)
SF-FILENAME _"Environment map"
(string-append gimp-data-directory
"/scripts/images/beavis.jpg")
SF-COLOR _"Highlight balance" '(211 95 0)
SF-COLOR _"Chrome balance" "black"
SF-TOGGLE _"Chrome white areas" TRUE
)
(script-fu-menu-register "script-fu-sota-chrome-it"
"<Image>/Filters/Decor")
|