mirror of https://github.com/GNOME/gimp.git
106 lines
3.5 KiB
Scheme
106 lines
3.5 KiB
Scheme
; GLOWING
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; Create a text effect that simulates a glowing hot logo
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(define (apply-glowing-logo-effect img
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logo-layer
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size
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bg-color)
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(let* ((grow (/ size 4))
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(feather1 (/ size 3))
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(feather2 (/ size 7))
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(feather3 (/ size 10))
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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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(posx (- (car (gimp-drawable-offsets logo-layer))))
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(posy (- (cadr (gimp-drawable-offsets logo-layer))))
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(glow-layer (car (gimp-layer-copy logo-layer TRUE)))
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(bg-layer (car (gimp-layer-new img width height RGB-IMAGE "Background" 100 NORMAL-MODE)))
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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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(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-translate glow-layer posx posy)
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(gimp-selection-none img)
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(gimp-palette-set-background bg-color)
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(gimp-edit-fill bg-layer BACKGROUND-FILL)
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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 logo-layer BACKGROUND-FILL)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-selection-feather img feather1)
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(gimp-palette-set-background '(221 0 0))
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(gimp-edit-fill glow-layer BACKGROUND-FILL)
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(gimp-edit-fill glow-layer BACKGROUND-FILL)
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(gimp-edit-fill glow-layer BACKGROUND-FILL)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-selection-feather img feather2)
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(gimp-palette-set-background '(232 217 18))
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(gimp-edit-fill glow-layer BACKGROUND-FILL)
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(gimp-edit-fill glow-layer BACKGROUND-FILL)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-selection-feather img feather3)
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(gimp-palette-set-background '(255 255 255))
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(gimp-edit-fill glow-layer BACKGROUND-FILL)
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(gimp-selection-none img)
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(gimp-layer-set-mode logo-layer OVERLAY-MODE)
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(gimp-drawable-set-name glow-layer "Glow Layer")
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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-glowing-logo-alpha img
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logo-layer
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size
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bg-color)
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(begin
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(gimp-image-undo-group-start img)
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(apply-glowing-logo-effect img logo-layer size bg-color)
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(gimp-image-undo-group-end img)
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(gimp-displays-flush)))
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(script-fu-register "script-fu-glowing-logo-alpha"
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_"<Image>/Script-Fu/Alpha to Logo/Glo_wing Hot..."
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"Glowing hot logos"
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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 _"Effect size (pixels * 3)" '(150 2 1000 1 10 0 1)
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SF-COLOR _"Background color" '(7 0 20)
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)
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(define (script-fu-glowing-logo text
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size
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font
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bg-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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(text-layer (car (gimp-text-fontname img -1 0 0 text border TRUE size PIXELS font))))
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(gimp-image-undo-disable img)
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(apply-glowing-logo-effect img text-layer size bg-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-glowing-logo"
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_"<Toolbox>/Xtns/Script-Fu/Logos/Glo_wing Hot..."
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"Glowing hot 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-STRING _"Text" "GLOWING"
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SF-ADJUSTMENT _"Font size (pixels)" '(150 2 1000 1 10 0 1)
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SF-FONT _"Font" "Slogan"
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SF-COLOR _"Background color" '(7 0 20)
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)
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