mirror of https://github.com/GNOME/gimp.git
193 lines
6.7 KiB
Scheme
193 lines
6.7 KiB
Scheme
; The GIMP -- an image manipulation program
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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; Supposed to look vaguely like roughly carved wood. Chipped away if you will.
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;
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; Options: Text String - the string to make the logo from
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; Font - which font to use
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; Font Size - how big
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; Chip Amount - how rought he chipping is (how spread the bump map is)
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; Blur Amount - the bump layer is blurred slighty by this amount
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; Invert - whether or not to invert the bumpmap (gives a carved in feel)
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; Drop Shadow - whether or not to draw a drop shadow
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; Keep bump layer? - whether to keep the layer used as the bump map
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; fill bg with pattern? - whether to fill the background with the pattern or leave it white
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; Keep Backgroun - whether or not to remove the background layer
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;
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; Adrian Likins (Adrian@gimp.org)
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; Jan 11, 1998 v1
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;
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; see http://www.gimp.org/~adrian/script.html
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;
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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;
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; Some suggested patterns: Dried mud, 3D green, Slate
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;
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(define (apply-chip-away-logo-effect img
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logo-layer
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spread-amount
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blur-amount
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invert
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drop-shadow
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keep-bump
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bg-fill
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keep-back
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pattern)
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(let* ((width (car (gimp-drawable-width logo-layer)))
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(height (car (gimp-drawable-height logo-layer)))
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(bg-layer (car (gimp-layer-new img width height RGB-IMAGE "Background" 100 NORMAL-MODE)))
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(bump-layer (car (gimp-layer-new img width height RGBA-IMAGE "Bump Layer" 100 NORMAL-MODE))))
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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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(gimp-image-add-layer img bg-layer 1)
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(gimp-layer-set-lock-alpha logo-layer TRUE)
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(gimp-context-set-pattern pattern)
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(gimp-context-set-background '(255 255 255))
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(gimp-selection-all img)
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(if (= bg-fill TRUE)
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(gimp-edit-bucket-fill bg-layer 2 NORMAL-MODE 100 255 FALSE 1 1)
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(gimp-edit-fill bg-layer BACKGROUND-FILL))
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(gimp-image-add-layer img bump-layer 1)
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(gimp-selection-all img)
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(gimp-edit-clear bump-layer)
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(gimp-selection-none img)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-edit-fill bump-layer BACKGROUND-FILL)
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(gimp-edit-bucket-fill logo-layer 2 NORMAL-MODE 100 255 FALSE 1 1)
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(gimp-selection-none img)
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(gimp-layer-set-lock-alpha bump-layer FALSE)
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(plug-in-spread 1 img bump-layer spread-amount spread-amount)
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(gimp-selection-layer-alpha bump-layer)
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(plug-in-gauss-rle 1 img bump-layer blur-amount TRUE TRUE)
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(gimp-selection-none img)
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(plug-in-bump-map 1 img logo-layer bump-layer 135.00 25.0 60 0 0 0 0 TRUE invert 1)
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(gimp-drawable-set-visible bump-layer FALSE)
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(if (= drop-shadow TRUE)
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(begin
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(let* ((shadow-layer (car (gimp-layer-new img width height RGBA-IMAGE "Shadow layer" 100 NORMAL-MODE))))
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(gimp-image-add-layer img shadow-layer 1)
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(gimp-selection-all img)
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(gimp-edit-clear shadow-layer)
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(gimp-selection-none img)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill shadow-layer BACKGROUND-FILL)
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(gimp-selection-none img)
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(plug-in-gauss-rle 1 img shadow-layer 5 TRUE TRUE)
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(gimp-layer-translate shadow-layer 6 6))))
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(if (= keep-bump FALSE)
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(gimp-image-remove-layer img bump-layer))
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(if (= keep-back FALSE)
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(gimp-image-remove-layer img bg-layer))
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(gimp-context-pop)))
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(define (script-fu-chip-away-logo-alpha img
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logo-layer
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spread-amount
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blur-amount
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invert
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drop-shadow
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keep-bump
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bg-fill
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keep-back
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pattern)
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(begin
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(gimp-image-undo-group-start img)
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(apply-chip-away-logo-effect img logo-layer spread-amount blur-amount
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invert drop-shadow keep-bump bg-fill
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keep-back pattern)
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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-chip-away-logo-alpha"
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_"Chip Awa_y..."
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"Chip away effect"
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"Adrian Likins <adrian@gimp.org>"
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"Adrian Likins <adrian@gimp.org>"
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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 _"Chip amount" '(30 0 250 1 10 0 1)
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SF-ADJUSTMENT _"Blur amount" '(3 1 100 1 10 1 0)
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SF-TOGGLE _"Invert" FALSE
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SF-TOGGLE _"Drop shadow" TRUE
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SF-TOGGLE _"Keep bump layer" FALSE
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SF-TOGGLE _"Fill BG with pattern" TRUE
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SF-TOGGLE _"Keep background" TRUE
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SF-PATTERN _"Pattern" "Burlwood")
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(script-fu-menu-register "script-fu-chip-away-logo-alpha"
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"<Image>/Filters/Alpha to Logo")
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(define (script-fu-chip-away-logo text
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font
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font-size
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spread-amount
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blur-amount
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invert
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drop-shadow
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keep-bump
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bg-fill
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keep-back
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pattern)
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(let* ((img (car (gimp-image-new 256 256 RGB)))
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(text-layer (car (gimp-text-fontname img -1 0 0
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text 30 TRUE font-size PIXELS font))))
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(gimp-image-undo-disable img)
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(apply-chip-away-logo-effect img text-layer spread-amount blur-amount
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invert drop-shadow keep-bump bg-fill
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keep-back pattern)
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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-chip-away-logo"
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_"Chip Awa_y..."
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"Chip away effect"
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"Adrian Likins <adrian@gimp.org>"
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"Adrian Likins <adrian@gimp.org>"
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"1997"
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""
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SF-STRING _"Text" "Sloth"
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SF-FONT _"Font" "RoostHeavy"
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SF-ADJUSTMENT _"Font size (pixels)" '(200 2 1000 1 10 0 1)
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SF-ADJUSTMENT _"Chip amount" '(30 0 250 1 10 0 1)
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SF-ADJUSTMENT _"Blur amount" '(3 1 100 1 10 1 0)
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SF-TOGGLE _"Invert" FALSE
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SF-TOGGLE _"Drop shadow" TRUE
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SF-TOGGLE _"Keep bump layer" FALSE
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SF-TOGGLE _"Fill BG with pattern" TRUE
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SF-TOGGLE _"Keep background" TRUE
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SF-PATTERN _"Pattern" "Burlwood")
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(script-fu-menu-register "script-fu-chip-away-logo"
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"<Toolbox>/Xtns/Logos")
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