mirror of https://github.com/GNOME/gimp.git
118 lines
3.8 KiB
Scheme
118 lines
3.8 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* (
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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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(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
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width height RGB-IMAGE
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"Background" 100 NORMAL-MODE)))
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(glow-layer (car (gimp-layer-new img
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width height RGBA-IMAGE
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"Alien Glow" 100 NORMAL-MODE)))
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)
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(gimp-context-push)
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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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(script-fu-util-image-add-layers img glow-layer bg-layer)
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(gimp-layer-set-lock-alpha logo-layer TRUE)
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill bg-layer BACKGROUND-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-context-set-foreground glow-color)
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(gimp-edit-fill glow-layer FOREGROUND-FILL)
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(gimp-selection-none img)
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(gimp-context-set-background '(0 0 0))
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(gimp-context-set-foreground '(79 79 79))
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(gimp-edit-blend logo-layer FG-BG-RGB-MODE NORMAL-MODE
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GRADIENT-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-context-pop)
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)
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)
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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-image-undo-group-start img)
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(apply-alien-glow-logo-effect img logo-layer size glow-color)
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(gimp-image-undo-group-end img)
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(gimp-displays-flush)
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)
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)
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(script-fu-register "script-fu-alien-glow-logo-alpha"
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_"Alien _Glow..."
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_"Add an eerie glow around the selected region (or alpha)"
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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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)
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(script-fu-menu-register "script-fu-alien-glow-logo-alpha"
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"<Image>/Filters/Alpha to Logo")
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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* (
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(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
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-1 0 0 text border TRUE
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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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)
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(gimp-image-undo-disable img)
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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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)
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)
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(script-fu-register "script-fu-alien-glow-logo"
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_"Alien _Glow..."
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_"Create a logo with an alien glow around the text"
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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" "Sans Bold"
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SF-COLOR _"Glow color" '(63 252 0)
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)
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(script-fu-menu-register "script-fu-alien-glow-logo"
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"<Image>/File/Create/Logos")
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