mirror of https://github.com/GNOME/gimp.git
97 lines
3.4 KiB
Scheme
97 lines
3.4 KiB
Scheme
; ALIEN-GLOW
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; Create a text effect that simulates an eerie alien glow around text
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(define (apply-alien-glow-logo-effect img
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logo-layer
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size
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glow-color)
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(let* ((border (/ size 4))
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(grow (/ size 30))
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(feather (/ size 4))
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(width (car (gimp-drawable-width logo-layer)))
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(height (car (gimp-drawable-height logo-layer)))
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(bg-layer (car (gimp-layer-new img width height RGB_IMAGE "Background" 100 NORMAL)))
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(glow-layer (car (gimp-layer-new img width height RGBA_IMAGE "Alien Glow" 100 NORMAL)))
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(old-fg (car (gimp-palette-get-foreground)))
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(old-bg (car (gimp-palette-get-background))))
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(gimp-selection-none img)
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(script-fu-util-image-resize-from-layer img logo-layer)
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(gimp-image-add-layer img bg-layer 1)
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(gimp-image-add-layer img glow-layer 1)
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(gimp-layer-set-preserve-trans logo-layer TRUE)
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(gimp-palette-set-background '(0 0 0))
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(gimp-edit-fill bg-layer BG-IMAGE-FILL)
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(gimp-edit-clear glow-layer)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-selection-grow img grow)
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(gimp-selection-feather img feather)
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(gimp-palette-set-foreground glow-color)
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(gimp-edit-fill glow-layer FG-IMAGE-FILL)
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(gimp-selection-none img)
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(gimp-palette-set-background '(0 0 0))
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(gimp-palette-set-foreground '(79 79 79))
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(gimp-blend logo-layer FG-BG-RGB NORMAL
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SHAPEBURST-ANGULAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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0 0 1 1)
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(gimp-palette-set-background old-bg)
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(gimp-palette-set-foreground old-fg)))
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(define (script-fu-alien-glow-logo-alpha img
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logo-layer
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size
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glow-color)
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(begin
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(gimp-undo-push-group-start img)
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(apply-alien-glow-logo-effect img logo-layer size glow-color)
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(gimp-undo-push-group-end img)
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(gimp-displays-flush)))
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(script-fu-register "script-fu-alien-glow-logo-alpha"
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_"<Image>/Script-Fu/Alpha to Logo/Alien _Glow..."
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"Create an X-Files-esque logo with the specified glow color"
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"Spencer Kimball"
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"Spencer Kimball"
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"1997"
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"RGBA"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0
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SF-ADJUSTMENT _"Glow Size (pixels * 4)" '(150 2 1000 1 10 0 1)
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SF-COLOR _"Glow Color" '(63 252 0))
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(define (script-fu-alien-glow-logo text
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size
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font
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glow-color)
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(let* ((img (car (gimp-image-new 256 256 RGB)))
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(border (/ size 4))
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(grow (/ size 30))
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(feather (/ size 4))
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(text-layer (car (gimp-text-fontname img -1 0 0 text border TRUE size PIXELS font)))
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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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(old-fg (car (gimp-palette-get-foreground)))
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(old-bg (car (gimp-palette-get-background))))
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(gimp-image-undo-disable img)
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(gimp-layer-set-name text-layer text)
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(apply-alien-glow-logo-effect img text-layer size glow-color)
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(gimp-image-undo-enable img)
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(gimp-display-new img)))
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(script-fu-register "script-fu-alien-glow-logo"
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_"<Toolbox>/Xtns/Script-Fu/Logos/Alien _Glow..."
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"Create an X-Files-esque logo with the specified glow color"
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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-STRING _"Text" "ALIEN"
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SF-ADJUSTMENT _"Font Size (pixels)" '(150 2 1000 1 10 0 1)
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SF-FONT _"Font" "Futura_Poster"
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SF-COLOR _"Glow Color" '(63 252 0))
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