/usr/share/gimp/2.0/scripts/burn-in-anim.scm is in gimp-data 2.8.16-1ubuntu1.
This file is owned by root:root, with mode 0o644.
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; burn-in-anim.scm V2.1 - script-fu for GIMP 1.1 and higher
;
; Copyright (C) 9/2000 Roland Berger
; roland@fuchur.leute.server.de
; http://fuchur.leute.server.de
;
; Let text appear and fade out with a "burn-in" like SFX.
; Works on an image with a text and a background layer
;
; Copying Policy: GNU Public License http://www.gnu.org
;
(define (script-fu-burn-in-anim org-img
org-layer
glow-color
fadeout
bl-width
corona-width
after-glow
show-glow
optimize
speed)
(let* (
;--- main variable: "bl-x" runs from 0 to layer-width
(bl-x 0)
(frame-nr 0)
(img 0)
(source-layer 0)
(bg-source-layer 0)
(source-layer-width 0)
(bg-layer 0)
(bg-layer-name 0)
(bl-layer 0)
(bl-layer-name 0)
(bl-mask 0)
(bl-layer-width 0)
(bl-height 0)
(bl-x-off 0)
(bl-y-off 0)
(nofadeout-bl-x-off 0)
(nofadeout-bl-width 0)
(blended-layer 0)
(img-display 0)
)
(if (< speed 1)
(set! speed (* -1 speed)) )
;--- check image and work on a copy
(if (and (= (car (gimp-image-get-layers org-img)) 2)
(= (car (gimp-image-get-floating-sel org-img)) -1))
;--- main program structure starts here, begin of "if-1"
(begin
(gimp-context-push)
(gimp-context-set-defaults)
(set! img (car (gimp-image-duplicate org-img)))
(gimp-image-undo-disable img)
(if (> (car (gimp-drawable-type org-layer)) 1 )
(gimp-image-convert-rgb img))
(set! source-layer (aref (cadr (gimp-image-get-layers img)) 0 ))
(set! bg-source-layer (aref (cadr (gimp-image-get-layers img)) 1 ))
(set! source-layer-width (car (gimp-drawable-width source-layer)))
;--- hide layers, cause we want to "merge visible layers" later
(gimp-item-set-visible source-layer FALSE)
(gimp-item-set-visible bg-source-layer FALSE)
;--- process image horizontal with pixel-speed
(while (< bl-x (+ source-layer-width bl-width))
(set! bl-layer (car (gimp-layer-copy source-layer TRUE)))
(set! bl-layer-name (string-append "fr-nr"
(number->string frame-nr 10) ) )
(gimp-image-insert-layer img bl-layer 0 -2)
(gimp-item-set-name bl-layer bl-layer-name)
(gimp-item-set-visible bl-layer TRUE)
(gimp-layer-set-lock-alpha bl-layer TRUE)
(gimp-layer-add-alpha bl-layer)
;--- add an alpha mask for blending and select it
(gimp-image-select-item img CHANNEL-OP-REPLACE bl-layer)
(set! bl-mask (car (gimp-layer-create-mask bl-layer ADD-BLACK-MASK)))
(gimp-layer-add-mask bl-layer bl-mask)
;--- handle layer geometry
(set! bl-layer-width source-layer-width)
(set! bl-height (car (gimp-drawable-height bl-layer)))
(set! bl-x-off (- bl-x bl-width))
(set! bl-x-off (+ bl-x-off (car (gimp-drawable-offsets bl-layer))))
(set! bl-y-off (cadr (gimp-drawable-offsets bl-layer)))
;--- select a rectangular area to blend
(gimp-image-select-rectangle img CHANNEL-OP-REPLACE bl-x-off bl-y-off bl-width bl-height)
;--- select at least 1 pixel!
(gimp-image-select-rectangle img CHANNEL-OP-ADD bl-x-off bl-y-off (+ bl-width 1) bl-height)
(if (= fadeout FALSE)
(begin
(set! nofadeout-bl-x-off (car (gimp-drawable-offsets bl-layer)))
(set! nofadeout-bl-width (+ nofadeout-bl-x-off bl-x))
(set! nofadeout-bl-width (max nofadeout-bl-width 1))
(gimp-image-select-rectangle img CHANNEL-OP-REPLACE
nofadeout-bl-x-off bl-y-off
nofadeout-bl-width bl-height)
)
)
;--- alpha blending text to trans (fadeout)
(gimp-context-set-foreground '(255 255 255))
(gimp-context-set-background '( 0 0 0))
(if (= fadeout TRUE)
(begin
; blend with 20% offset to get less transparency in the front
(gimp-edit-blend bl-mask FG-BG-RGB-MODE NORMAL-MODE
GRADIENT-LINEAR 100 20 REPEAT-NONE FALSE
FALSE 0 0 TRUE
(+ bl-x-off bl-width) 0 bl-x-off 0)
)
)
(if (= fadeout FALSE)
(begin
(gimp-context-set-foreground '(255 255 255))
(gimp-edit-bucket-fill bl-mask FG-BUCKET-FILL NORMAL-MODE
100 255 0 0 0)
)
)
(gimp-layer-remove-mask bl-layer MASK-APPLY)
;--- add bright glow in front
(if (= show-glow TRUE)
(begin
;--- add some brightness to whole text
(if (= fadeout TRUE)
(gimp-brightness-contrast bl-layer 100 0)
)
;--- blend glow color inside the letters
(gimp-context-set-foreground glow-color)
(gimp-edit-blend bl-layer FG-TRANSPARENT-MODE NORMAL-MODE
GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
FALSE 0 0 TRUE
(+ bl-x-off bl-width) 0
(- (+ bl-x-off bl-width) after-glow) 0)
;--- add corona effect
(gimp-image-select-item img CHANNEL-OP-REPLACE bl-layer)
(gimp-selection-sharpen img)
(gimp-selection-grow img corona-width)
(gimp-layer-set-lock-alpha bl-layer FALSE)
(gimp-selection-feather img corona-width)
(gimp-context-set-foreground glow-color)
(gimp-edit-blend bl-layer FG-TRANSPARENT-MODE NORMAL-MODE
GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
FALSE 0 0 TRUE
(- (+ bl-x-off bl-width) corona-width) 0
(- (+ bl-x-off bl-width) after-glow) 0)
)
)
;--- merge with bg layer
(set! bg-layer (car (gimp-layer-copy bg-source-layer FALSE)))
(gimp-image-insert-layer img bg-layer 0 -1)
(gimp-image-lower-item img bg-layer)
(set! bg-layer-name (string-append "bg-"
(number->string frame-nr 10)))
(gimp-item-set-name bg-layer bg-layer-name)
(gimp-item-set-visible bg-layer TRUE)
(set! blended-layer (car (gimp-image-merge-visible-layers img
CLIP-TO-IMAGE)))
;(set! blended-layer bl-layer)
(gimp-item-set-visible blended-layer FALSE)
;--- end of "while" loop
(set! frame-nr (+ frame-nr 1))
(set! bl-x (+ bl-x speed))
)
;--- finalize the job
(gimp-selection-none img)
(gimp-image-remove-layer img source-layer)
(gimp-image-remove-layer img bg-source-layer)
(gimp-image-set-filename img "burn-in")
(if (= optimize TRUE)
(begin
(gimp-image-convert-indexed img 1 WEB-PALETTE 250 FALSE TRUE "")
(set! img-out (car (plug-in-animationoptimize RUN-NONINTERACTIVE
img
bl-layer)))
)
)
(gimp-item-set-visible (aref (cadr (gimp-image-get-layers img)) 0)
TRUE)
(gimp-image-undo-enable img)
(gimp-image-clean-all img)
(set! img-display (car (gimp-display-new img)))
(gimp-displays-flush)
(gimp-context-pop)
)
;--- false form of "if-1"
(gimp-message _"The Burn-In script needs two layers in total. A foreground layer with transparency and a background layer.")
)
)
)
(script-fu-register "script-fu-burn-in-anim"
_"B_urn-In..."
_"Create intermediate layers to produce an animated 'burn-in' transition between two layers"
"Roland Berger roland@fuchur.leute.server.de"
"Roland Berger"
"January 2001"
"RGBA GRAYA INDEXEDA"
SF-IMAGE "The image" 0
SF-DRAWABLE "Layer to animate" 0
SF-COLOR _"Glow color" "white"
SF-TOGGLE _"Fadeout" FALSE
SF-VALUE _"Fadeout width" "100"
SF-VALUE _"Corona width" "7"
SF-VALUE _"After glow" "50"
SF-TOGGLE _"Add glowing" TRUE
SF-TOGGLE _"Prepare for GIF" FALSE
SF-VALUE _"Speed (pixels/frame)" "50"
)
(script-fu-menu-register "script-fu-burn-in-anim"
"<Image>/Filters/Animation/Animators")
|