Files
gimp/plug-ins/script-fu/scripts/starburst-logo.scm
Sven Neumann c97ec171f6 applied gimp-quinet-000531-1.patch to add support for
"Alpha to Logo" and correct undo handling in these logo
scripts.


--Sven
2000-06-06 11:52:06 +00:00

117 lines
4.1 KiB
Scheme

; Starburst
; Effect courtesy Xach Beane's web page
(define (apply-starburst-logo-effect img
logo-layer
size
burst-color
bg-color)
(let* ((off (* size 0.03))
(count -1)
(feather (* size 0.04))
(border (+ feather off))
(width (car (gimp-drawable-width logo-layer)))
(height (car (gimp-drawable-height logo-layer)))
(burst-coords (cons (* width 0.5) (* height 0.5)))
(burstradius (* (min height width) 0.35))
(bg-layer (car (gimp-layer-new img width height RGB_IMAGE "Background" 100 NORMAL)))
(shadow-layer (car (gimp-layer-new img width height RGBA_IMAGE "Shadow" 100 NORMAL)))
(burst-layer (car (gimp-layer-new img width height RGBA_IMAGE "Burst" 100 NORMAL)))
(layer-mask (car (gimp-layer-create-mask burst-layer BLACK-MASK)))
(old-pattern (car (gimp-patterns-get-pattern)))
(old-fg (car (gimp-palette-get-foreground)))
(old-bg (car (gimp-palette-get-background))))
(gimp-image-resize img width height 0 0)
(gimp-image-add-layer img bg-layer 1)
(gimp-image-add-layer img shadow-layer 1)
(gimp-image-add-layer img burst-layer 0)
(gimp-image-add-layer-mask img burst-layer layer-mask)
(gimp-layer-set-preserve-trans logo-layer TRUE)
(gimp-palette-set-background bg-color)
(gimp-edit-fill bg-layer BG-IMAGE-FILL)
(gimp-edit-clear shadow-layer)
(gimp-edit-clear burst-layer)
(gimp-selection-all img)
(gimp-patterns-set-pattern "Crack")
(gimp-bucket-fill logo-layer PATTERN-BUCKET-FILL NORMAL 100 0 FALSE 0 0)
(gimp-selection-none img)
(gimp-selection-layer-alpha logo-layer)
(gimp-palette-set-background '(255 255 255))
(gimp-edit-fill layer-mask BG-IMAGE-FILL)
(gimp-selection-none img)
(plug-in-nova 1 img burst-layer (car burst-coords) (cdr burst-coords)
burst-color burstradius 100 0)
(gimp-selection-layer-alpha logo-layer)
(gimp-palette-set-background '(0 0 0))
(gimp-selection-feather img feather)
(gimp-selection-translate img -1 -1)
(while (< count off)
(gimp-edit-fill shadow-layer BG-IMAGE-FILL)
(gimp-selection-translate img 1 1)
(set! count (+ count 1)))
(gimp-selection-none img)
(gimp-patterns-set-pattern old-pattern)
(gimp-palette-set-background old-bg)
(gimp-palette-set-foreground old-fg)))
(define (script-fu-starburst-logo-alpha img
logo-layer
size
burst-color
bg-color)
(begin
(gimp-undo-push-group-start img)
(apply-starburst-logo-effect img logo-layer size burst-color bg-color)
(gimp-undo-push-group-end img)
(gimp-displays-flush)))
(script-fu-register "script-fu-starburst-logo-alpha"
_"<Image>/Script-Fu/Alpha to Logo/Starburst..."
"Starburst as inspired by GIMP News"
"Spencer Kimball & Xach Beane"
"Spencer Kimball & Xach Beane"
"1997"
"RGBA"
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-ADJUSTMENT _"Effect Size (pixels * 30)" '(150 0 512 1 10 0 1)
SF-COLOR _"Burst Color" '(60 196 33)
SF-COLOR _"Background Color" '(255 255 255)
)
(define (script-fu-starburst-logo text size fontname burst-color bg-color)
(let* ((img (car (gimp-image-new 256 256 RGB)))
(off (* size 0.03))
(feather (* size 0.04))
(border (+ feather off))
(text-layer (car (gimp-text-fontname img -1 0 0 text border TRUE size PIXELS fontname))))
(gimp-image-undo-disable img)
(gimp-layer-set-name text-layer text)
(apply-starburst-logo-effect img text-layer size burst-color bg-color)
(gimp-image-undo-enable img)
(gimp-display-new img)))
(script-fu-register "script-fu-starburst-logo"
_"<Toolbox>/Xtns/Script-Fu/Logos/Starburst..."
"Starburst as inspired by GIMP News"
"Spencer Kimball & Xach Beane"
"Spencer Kimball & Xach Beane"
"1997"
""
SF-STRING _"Text" "GIMP"
SF-ADJUSTMENT _"Font Size (pixels)" '(150 0 512 1 10 0 1)
SF-FONT _"Font" "-*-blippo-*-r-*-*-24-*-*-*-p-*-*-*"
SF-COLOR _"Burst Color" '(60 196 33)
SF-COLOR _"Background Color" '(255 255 255)
)