20b4769cf5
2005-07-10 Michael Natterer <mitch@gimp.org> * app/actions/layers-actions.c * app/actions/layers-commands.[ch] * app/core/core-enums.[ch] * app/core/gimpimage-undo-push.[ch] * app/core/gimplayer-floating-sel.c * app/core/gimplayer.[ch] * app/text/gimptextlayer-xcf.c * app/widgets/gimphelp-ids.h * app/widgets/gimplayertreeview.[ch] * app/xcf/xcf-load.c * app/xcf/xcf-private.h * app/xcf/xcf-save.c * tools/pdbgen/pdb/layer.pdb * menus/image-menu.xml.in * libgimp/gimp.def: did a global s/preserve_trans/lock_alpha/ in preparation for more layer locking flags. * app/pdb/procedural_db.c * libgimp/gimplayer.[ch]: added compat stuff for preserve_trans. * app/pdb/layer_cmds.c * libgimp/gimplayer_pdb.[ch]: regenerated. * plug-ins/common/colortoalpha.c * plug-ins/common/iwarp.c * plug-ins/common/psd.c * plug-ins/common/psd_save.c * plug-ins/common/psp.c * plug-ins/common/rotate.c * plug-ins/common/threshold_alpha.c * plug-ins/common/vpropagate.c * plug-ins/script-fu/scripts/3d-outline.scm * plug-ins/script-fu/scripts/alien-glow-bar.scm * plug-ins/script-fu/scripts/alien-glow-bullet.scm * plug-ins/script-fu/scripts/alien-glow-logo.scm * plug-ins/script-fu/scripts/basic1-logo.scm * plug-ins/script-fu/scripts/basic2-logo.scm * plug-ins/script-fu/scripts/beveled-pattern-button.scm * plug-ins/script-fu/scripts/blend-anim.scm * plug-ins/script-fu/scripts/blended-logo.scm * plug-ins/script-fu/scripts/bovinated-logo.scm * plug-ins/script-fu/scripts/burn-in-anim.scm * plug-ins/script-fu/scripts/carved-logo.scm * plug-ins/script-fu/scripts/chalk.scm * plug-ins/script-fu/scripts/chip-away.scm * plug-ins/script-fu/scripts/comic-logo.scm * plug-ins/script-fu/scripts/coolmetal-logo.scm * plug-ins/script-fu/scripts/crystal-logo.scm * plug-ins/script-fu/scripts/drop-shadow.scm * plug-ins/script-fu/scripts/gimp-headers.scm * plug-ins/script-fu/scripts/gimp-labels.scm * plug-ins/script-fu/scripts/glowing-logo.scm * plug-ins/script-fu/scripts/gradient-bevel-logo.scm * plug-ins/script-fu/scripts/image-structure.scm * plug-ins/script-fu/scripts/neon-logo.scm * plug-ins/script-fu/scripts/perspective-shadow.scm * plug-ins/script-fu/scripts/starburst-logo.scm * plug-ins/script-fu/scripts/starscape-logo.scm * plug-ins/script-fu/scripts/textured-logo.scm * plug-ins/script-fu/scripts/title-header.scm * plug-ins/script-fu/scripts/waves-anim.scm * plug-ins/xjt/xjt.c: changed accordingly.
204 lines
7.1 KiB
Scheme
204 lines
7.1 KiB
Scheme
;
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; burn-in-anim.scm V2.1 - script-fu for the GIMP 1.1 and higher
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;
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; Copyright (C) 9/2000 Roland Berger
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; roland@fuchur.leute.server.de
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; http://fuchur.leute.server.de
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;
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; Let text appear and fade out with a "burn-in" like SFX.
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; Works on an image with a text and a background layer
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;
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; Copying Policy: GNU Public License http://www.gnu.org
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;
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(define (script-fu-burn-in-anim org-img
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org-layer
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glow-color
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fadeout
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bl-width
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corona-width
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after-glow
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show-glow
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optimize
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speed)
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(let* (
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;--- main variable: "bl-x" runs from 0 to layer-width
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(bl-x 0)
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(frame-nr 0))
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(if (< speed 1)
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(set! speed (* -1 speed)) )
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;--- check image and work on a copy
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(if (= (car (gimp-image-get-layers org-img)) 2)
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;--- main program structure starts here, begin of "if-1"
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(begin
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(gimp-context-push)
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(set! img (car (gimp-image-duplicate org-img)))
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(gimp-image-undo-disable img)
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(if (> (car (gimp-drawable-type org-layer)) 1 )
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(gimp-image-convert-rgb img))
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(set! source-layer (aref (cadr (gimp-image-get-layers img)) 0 ))
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(set! bg-source-layer (aref (cadr (gimp-image-get-layers img)) 1 ))
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(set! source-layer-width (car (gimp-drawable-width source-layer)))
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;--- hide layers, cause we want to "merge visible layers" later
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(gimp-drawable-set-visible source-layer FALSE)
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(gimp-drawable-set-visible bg-source-layer FALSE)
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;--- process image horizontal with pixel-speed
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(while (< bl-x (+ source-layer-width bl-width))
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(set! bl-layer (car (gimp-layer-copy source-layer TRUE)))
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(set! bl-layer-name (string-append "fr-nr"
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(number->string frame-nr 10) ) )
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(gimp-image-add-layer img bl-layer -2)
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(gimp-drawable-set-name bl-layer bl-layer-name)
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(gimp-drawable-set-visible bl-layer TRUE)
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(gimp-layer-set-lock-alpha bl-layer TRUE)
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(gimp-layer-add-alpha bl-layer)
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;--- add an alpha mask for blending and select it
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(gimp-selection-layer-alpha bl-layer)
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(set! bl-mask (car (gimp-layer-create-mask bl-layer ADD-BLACK-MASK)))
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(gimp-layer-add-mask bl-layer bl-mask)
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;--- handle layer geometry
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(set! bl-layer-width source-layer-width)
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(set! bl-height (car (gimp-drawable-height bl-layer)))
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(set! bl-x-off (- bl-x bl-width))
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(set! bl-x-off (+ bl-x-off (car (gimp-drawable-offsets bl-layer))))
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(set! bl-y-off (cadr (gimp-drawable-offsets bl-layer)))
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;--- select a rectangular area to blend
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(gimp-rect-select img bl-x-off bl-y-off bl-width bl-height CHANNEL-OP-REPLACE 0 0)
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;--- select at least 1 pixel!
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(gimp-rect-select img bl-x-off bl-y-off (+ bl-width 1) bl-height CHANNEL-OP-ADD 0 0)
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(if (= fadeout FALSE)
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(begin
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(set! nofadeout-bl-x-off (car (gimp-drawable-offsets bl-layer)))
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(set! nofadeout-bl-width (+ nofadeout-bl-x-off bl-x))
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(set! nofadeout-bl-width (max nofadeout-bl-width 1))
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(gimp-rect-select img nofadeout-bl-x-off bl-y-off
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nofadeout-bl-width bl-height
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CHANNEL-OP-REPLACE 0 0)))
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;--- alpha blending text to trans (fadeout)
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(gimp-context-set-foreground '(255 255 255))
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(gimp-context-set-background '( 0 0 0))
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(if (= fadeout TRUE)
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(begin
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; blend with 20% offset to get less transparency in the front
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(gimp-edit-blend bl-mask FG-BG-RGB-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 20 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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(+ bl-x-off bl-width) 0 bl-x-off 0)))
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(if (= fadeout FALSE)
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(begin
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(gimp-context-set-foreground '(255 255 255))
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(gimp-edit-bucket-fill bl-mask FG-BUCKET-FILL NORMAL-MODE
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100 255 0 0 0)))
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(gimp-layer-remove-mask bl-layer MASK-APPLY)
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;--- add bright glow in front
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(if (= show-glow TRUE)
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(begin
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;--- add some brightness to whole text
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(if (= fadeout TRUE)
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(gimp-brightness-contrast bl-layer 100 0))
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;--- blend glow color inside the letters
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(gimp-context-set-foreground glow-color)
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(gimp-edit-blend bl-layer FG-TRANSPARENT-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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(+ bl-x-off bl-width) 0
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(- (+ bl-x-off bl-width) after-glow) 0)
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;--- add corona effect
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(gimp-selection-layer-alpha bl-layer)
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(gimp-selection-sharpen img)
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(gimp-selection-grow img corona-width)
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(gimp-layer-set-lock-alpha bl-layer FALSE)
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(gimp-selection-feather img corona-width)
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(gimp-context-set-foreground glow-color)
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(gimp-edit-blend bl-layer FG-TRANSPARENT-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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(- (+ bl-x-off bl-width) corona-width) 0
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(- (+ bl-x-off bl-width) after-glow) 0))
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)
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;--- merge with bg layer
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(set! bg-layer (car (gimp-layer-copy bg-source-layer FALSE)))
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(gimp-image-add-layer img bg-layer -1)
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(gimp-image-lower-layer img bg-layer)
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(set! bg-layer-name (string-append "bg-"
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(number->string frame-nr 10)))
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(gimp-drawable-set-name bg-layer bg-layer-name)
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(gimp-drawable-set-visible bg-layer TRUE)
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(set! blended-layer (car (gimp-image-merge-visible-layers img
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CLIP-TO-IMAGE)))
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;(set! blended-layer bl-layer)
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(gimp-drawable-set-visible blended-layer FALSE)
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;--- end of "while" loop
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(set! frame-nr (+ frame-nr 1))
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(set! bl-x (+ bl-x speed)))
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;--- finalize the job
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(gimp-selection-none img)
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(gimp-image-remove-layer img source-layer)
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(gimp-image-remove-layer img bg-source-layer)
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(gimp-image-set-filename img "burn-in")
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(if (= optimize TRUE)
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(begin
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(gimp-image-convert-indexed img 1 WEB-PALETTE 250 FALSE TRUE "")
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(set! img-out (car (plug-in-animationoptimize 0
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img
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bl-layer)))))
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(gimp-drawable-set-visible (aref (cadr (gimp-image-get-layers img)) 0)
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TRUE)
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(gimp-image-undo-enable img)
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(gimp-image-clean-all img)
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(set! img-display (car (gimp-display-new img)))
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(gimp-displays-flush)
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(gimp-context-pop))
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;--- false form of "if-1"
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(gimp-message _"Burn-In: Need two layers in total!"
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"A foreground text layer with transparency"
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"and a background layer."))))
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(script-fu-register "script-fu-burn-in-anim"
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_"B_urn-In..."
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"Burn-in like effect on a fg (text) layer and a bg layer; V2.1"
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"Roland Berger roland@fuchur.leute.server.de"
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"Roland Berger"
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"January 2001"
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"RGBA GRAYA INDEXEDA"
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SF-IMAGE "The image" 0
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SF-DRAWABLE "Layer to animate" 0
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SF-COLOR _"Glow color" '(255 255 255)
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SF-TOGGLE _"Fadeout" FALSE
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SF-VALUE _"Fadeout width" "100"
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SF-VALUE _"Corona width" "7"
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SF-VALUE _"After glow" "50"
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SF-TOGGLE _"Add glowing" TRUE
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SF-TOGGLE _"Prepare for GIF" FALSE
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SF-VALUE _"Speed (pixels/frame)" "50")
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(script-fu-menu-register "script-fu-burn-in-anim"
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"<Image>/Filters/Animation/Animators")
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