/usr/share/gimp/2.0/scripts/crystal-logo.scm is in gimp-data 2.8.16-1ubuntu1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 | ; CRYSTAL
; Create a text effect that simulates crystal
(define (script-fu-crystal-logo chrome-factor text size font bg-img env-map)
(define (set-pt a index x y)
(begin
(aset a (* index 2) x)
(aset a (+ (* index 2) 1) y)
)
)
(define (spline1)
(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 (crystal-brush brush-size)
(cond ((<= brush-size 5) "Circle (05)")
((<= brush-size 7) "Circle (07)")
((<= brush-size 9) "Circle (09)")
((<= brush-size 11) "Circle (11)")
((<= brush-size 13) "Circle (13)")
((<= brush-size 15) "Circle (15)")
((<= brush-size 17) "Circle (17)")
((> brush-size 17) "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-crystal 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* (
(img (car (gimp-image-new 256 256 GRAY)))
(back-img (car (gimp-file-load 1 bg-img bg-img)))
(back-layer (car (gimp-image-get-active-drawable back-img)))
(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)))
(b-size (sota-scale size 2 chrome-factor))
(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))
(blur (sota-scale size 0.5 chrome-factor))
(displace (sota-scale size 0.25 chrome-factor))
(brush-size (sota-scale size 0.5 chrome-factor))
(text-layer (car (gimp-text-fontname img -1 0 0 text b-size TRUE size PIXELS font)))
(width (car (gimp-drawable-width text-layer)))
(height (car (gimp-drawable-height text-layer)))
(tile-ret (plug-in-tile RUN-NONINTERACTIVE back-img back-layer width height TRUE))
(tile-img (car tile-ret))
(tile-layer (cadr tile-ret))
(tile-width (car (gimp-drawable-width tile-layer)))
(tile-height (car (gimp-drawable-height tile-layer)))
(tile-type (car (gimp-drawable-type tile-layer)))
(bg-layer (car (gimp-layer-new img tile-width tile-height tile-type "BG-Layer" 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)))
(layer-mask 0)
(layer-mask2 0)
(disp-map 0)
)
(gimp-context-push)
(gimp-context-set-defaults)
(gimp-image-delete back-img)
(gimp-image-undo-disable img)
(gimp-image-resize img width height 0 0)
(gimp-image-insert-layer img layer3 0 0)
(gimp-image-insert-layer img layer2 0 0)
(gimp-context-set-background '(255 255 255))
(gimp-selection-none img)
(gimp-edit-fill layer2 BACKGROUND-FILL)
(gimp-edit-fill layer3 BACKGROUND-FILL)
(gimp-item-set-visible text-layer FALSE)
(gimp-image-select-item img CHANNEL-OP-REPLACE text-layer)
(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-insert-layer img layer1 0 0)
(copy-layer-crystal 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 (spline1))
(set! layer-mask (car (gimp-layer-create-mask layer1 ADD-BLACK-MASK)))
(gimp-layer-add-mask layer1 layer-mask)
(gimp-image-select-item img CHANNEL-OP-REPLACE text-layer)
(gimp-context-set-background '(255 255 255))
(gimp-edit-fill layer-mask BACKGROUND-FILL)
(set! disp-map (car (gimp-selection-save img)))
(gimp-context-set-brush (crystal-brush brush-size))
(gimp-context-set-foreground '(0 0 0))
(gimp-edit-stroke disp-map)
(gimp-selection-none img)
(plug-in-gauss-rle RUN-NONINTERACTIVE img disp-map blur TRUE TRUE)
(gimp-levels disp-map 0 0 255 1.0 96 255)
(if (= (car (gimp-drawable-is-rgb bg-layer)) 1)
(gimp-image-convert-rgb img))
(gimp-image-insert-layer img bg-layer 0 2)
(copy-layer-crystal img bg-layer tile-img tile-layer)
(gimp-image-delete tile-img)
(set! layer2 (car (gimp-layer-copy bg-layer TRUE)))
(gimp-image-insert-layer img layer2 0 1)
(plug-in-displace RUN-NONINTERACTIVE img layer2 displace displace TRUE TRUE disp-map disp-map 0)
(set! layer-mask2 (car (gimp-layer-create-mask layer2 ADD-BLACK-MASK)))
(gimp-layer-add-mask layer2 layer-mask2)
(gimp-image-select-item img CHANNEL-OP-REPLACE text-layer)
(gimp-context-set-background '(255 255 255))
(gimp-edit-fill layer-mask2 BACKGROUND-FILL)
(gimp-selection-none img)
(gimp-levels layer2 0 0 200 1.5 50 255)
(gimp-layer-set-mode layer1 OVERLAY-MODE)
(plug-in-gauss-rle RUN-NONINTERACTIVE img text-layer blur TRUE TRUE)
(gimp-layer-set-lock-alpha text-layer TRUE)
(gimp-context-set-background '(0 0 0))
(gimp-edit-fill text-layer BACKGROUND-FILL)
(gimp-layer-set-mode text-layer OVERLAY-MODE)
(gimp-layer-translate text-layer offx1 offy1)
(gimp-image-remove-channel img disp-map)
(gimp-item-set-visible text-layer TRUE)
(gimp-item-set-name layer1 "Crystal")
(gimp-item-set-name layer2 "Interior")
(gimp-item-set-name bg-layer "Background")
(gimp-item-set-name text-layer "Shadow")
(gimp-image-undo-enable img)
(gimp-display-new img)
(gimp-context-pop)
)
)
(script-fu-register "script-fu-crystal-logo"
_"Crystal..."
_"Create a logo with a crystal/gel effect displacing the image underneath"
"Spencer Kimball"
"Spencer Kimball"
"1997"
""
SF-ADJUSTMENT _"Chrome factor" '(1.0 0.2 4 0.1 1 1 0)
SF-STRING _"Text" "Crystal"
SF-ADJUSTMENT _"Font size (pixels)" '(150 2 1000 1 10 0 1)
SF-FONT _"Font" "Engraver"
SF-FILENAME _"Background image"
(string-append gimp-data-directory
"/scripts/images/texture1.jpg")
SF-FILENAME _"Environment map"
(string-append gimp-data-directory
"/scripts/images/beavis.jpg")
)
(script-fu-menu-register "script-fu-crystal-logo"
"<Image>/File/Create/Logos")
|