mirror of https://github.com/GNOME/gimp.git
155 lines
5.8 KiB
Scheme
155 lines
5.8 KiB
Scheme
;; Trace of Particles Effect
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;; Shuji Narazaki (narazaki@InetQ.or.jp)
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;; Time-stamp: <97/03/15 17:27:33 narazaki@InetQ.or.jp>
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;; Version 0.2
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(define (apply-t-o-p-logo-effect img
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logo-layer
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b-size
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hit-rate
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edge-size
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edge-only
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base-color
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bg-color)
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(let* (
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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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(logo-layer-mask (car (gimp-layer-create-mask logo-layer ADD-BLACK-MASK)))
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(sparkle-layer (car (gimp-layer-new img width height RGBA-IMAGE "Sparkle" 100 NORMAL-MODE)))
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(shadow-layer (car (gimp-layer-new img width height RGBA-IMAGE "Shadow" 90 ADDITION-MODE)))
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(bg-layer (car (gimp-layer-new img width height RGB-IMAGE "Background" 100 NORMAL-MODE)))
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(selection 0)
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(white '(255 255 255))
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)
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(gimp-context-push)
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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 sparkle-layer shadow-layer bg-layer)
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(gimp-selection-none img)
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(gimp-edit-clear shadow-layer)
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(gimp-edit-clear sparkle-layer)
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(gimp-context-set-background base-color)
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(gimp-edit-fill sparkle-layer BACKGROUND-FILL)
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(gimp-selection-layer-alpha logo-layer)
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(set! selection (car (gimp-selection-save img)))
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(gimp-selection-grow img edge-size)
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(plug-in-noisify RUN-NONINTERACTIVE img sparkle-layer FALSE
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(* 0.1 hit-rate) (* 0.1 hit-rate) (* 0.1 hit-rate) 0.0)
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(gimp-selection-border img edge-size)
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(plug-in-noisify RUN-NONINTERACTIVE img sparkle-layer FALSE hit-rate hit-rate hit-rate 0.0)
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(gimp-selection-none img)
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(plug-in-sparkle RUN-NONINTERACTIVE img sparkle-layer 0.03 0.49 width 6 15 1.0 0.0 0.0 0.0 FALSE FALSE FALSE 0)
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(gimp-selection-load selection)
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(gimp-selection-shrink img edge-size)
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(gimp-levels sparkle-layer 0 0 255 1.2 0 255)
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(gimp-selection-load selection)
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(gimp-selection-border img edge-size)
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(gimp-levels sparkle-layer 0 0 255 0.5 0 255)
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(gimp-selection-load selection)
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(gimp-selection-grow img (/ edge-size 2.0))
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(gimp-selection-invert img)
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(gimp-edit-clear sparkle-layer)
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(if (= edge-only TRUE)
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(begin
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(gimp-selection-load selection)
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(gimp-selection-shrink img (/ edge-size 2.0))
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(gimp-edit-clear sparkle-layer)
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(gimp-selection-load selection)
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(gimp-selection-grow img (/ edge-size 2.0))
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(gimp-selection-invert img)))
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(gimp-context-set-foreground '(0 0 0))
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(gimp-context-set-background '(255 255 255))
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(gimp-context-set-brush "Circle Fuzzy (11)")
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(gimp-selection-feather img b-size)
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(gimp-edit-fill shadow-layer BACKGROUND-FILL)
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(gimp-selection-none img)
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(gimp-context-set-background bg-color)
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(gimp-edit-fill bg-layer BACKGROUND-FILL)
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(gimp-drawable-set-visible logo-layer 0)
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(gimp-image-set-active-layer img sparkle-layer)
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(gimp-context-pop)
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)
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)
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(define (script-fu-t-o-p-logo-alpha img
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logo-layer
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b-size
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hit-rate
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edge-size
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edge-only
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base-color
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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-t-o-p-logo-effect img logo-layer b-size hit-rate
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edge-size edge-only base-color bg-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-t-o-p-logo-alpha"
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_"_Particle Trace..."
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_"Add a Trace of Particles effect to the selected region (or alpha)"
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"Shuji Narazaki (narazaki@InetQ.or.jp)"
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"Shuji Narazaki"
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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 _"Border size (pixels)" '(20 1 200 1 10 0 1)
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SF-ADJUSTMENT _"Hit rate" '(0.2 0 1 .01 .01 2 0)
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SF-ADJUSTMENT _"Edge width" '(2 0 128 1 1 0 0)
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SF-TOGGLE _"Edge only" FALSE
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SF-COLOR _"Base color" '(0 40 0)
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SF-COLOR _"Background color" "white"
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)
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(script-fu-menu-register "script-fu-t-o-p-logo-alpha"
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"<Image>/Filters/Alpha to Logo")
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(define (script-fu-t-o-p-logo text
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size
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fontname
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hit-rate
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edge-size
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edge-only
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base-color
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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 5))
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(text-layer (car (gimp-text-fontname img -1 0 0 text (* border 2) TRUE size PIXELS fontname))))
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(gimp-image-undo-disable img)
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(apply-t-o-p-logo-effect img text-layer border hit-rate
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edge-size edge-only base-color bg-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-t-o-p-logo"
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_"_Particle Trace..."
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_"Create a logo using a Trace Of Particles effect"
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"Shuji Narazaki (narazaki@InetQ.or.jp)"
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"Shuji Narazaki"
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"1997"
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""
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SF-STRING _"Text" "GIMP"
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SF-ADJUSTMENT _"Font size (pixels)" '(100 1 1000 1 10 0 1)
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SF-FONT _"Font" "Becker"
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SF-ADJUSTMENT _"Hit rate" '(0.2 0 1 .01 .01 2 0)
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SF-ADJUSTMENT _"Edge width" '(2 0 128 1 1 0 0)
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SF-TOGGLE _"Edge only" FALSE
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SF-COLOR _"Base color" '(0 40 0)
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SF-COLOR _"Background color" "white"
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)
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(script-fu-menu-register "script-fu-t-o-p-logo"
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"<Image>/File/Create/Logos")
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