mirror of https://github.com/GNOME/gimp.git
178 lines
6.3 KiB
Scheme
178 lines
6.3 KiB
Scheme
; GIMP - The GNU Image Manipulation Program
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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; Bump-mapped title script --- create a bump-mapped title image for web pages
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; Copyright (C) 1997 Federico Mena Quintero
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; federico@nuclecu.unam.mx
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; ************************************************************************
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; Changed on Feb 4, 1999 by Piet van Oostrum <piet@cs.uu.nl>
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; For use with GIMP 1.1.
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;
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; The corresponding parameters have been replaced by an SF-FONT parameter.
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; The call to gimp-context-set-background has been given a real layer
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; (although it is not used) otherwise gimp 1.1 crashed.
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; ************************************************************************
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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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(define (script-fu-title-header text
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size
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fontname
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gradient-reverse)
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(let* (; Parameters
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(padding 8)
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(fade-width 64)
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; Image
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(img (car (gimp-image-new 256 256 RGB)))
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; Text layer
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(text-layer (car (gimp-text-fontname
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img
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-1
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0
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0
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text
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padding
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TRUE
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size
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PIXELS
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fontname)))
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(text-width (car (gimp-drawable-width text-layer)))
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(text-height (car (gimp-drawable-height text-layer)))
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; Sizes
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(text-layers-offset (/ text-height 2))
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(img-width (+ text-layers-offset text-width fade-width))
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(img-height text-height)
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; Additional layers
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(bg-layer (car (gimp-layer-new img img-width img-height RGBA-IMAGE
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"bg-layer" 100 NORMAL-MODE)))
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(bumpmap-layer (car (gimp-layer-new img
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text-width
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text-height
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RGBA-IMAGE
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"bumpmap-layer"
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100
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NORMAL-MODE)))
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(fore-layer (car (gimp-layer-new img text-width text-height RGBA-IMAGE
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"fore-layer" 100 NORMAL-MODE)))
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)
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(gimp-context-push)
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; Create image
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(gimp-image-undo-disable img)
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(gimp-image-resize img img-width img-height 0 0)
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(gimp-image-add-layer img bg-layer -1)
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(gimp-image-add-layer img bumpmap-layer -1)
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(gimp-image-add-layer img fore-layer -1)
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; (gimp-image-add-layer img text-layer -1)
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(gimp-image-raise-layer img text-layer)
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(gimp-image-raise-layer img text-layer)
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(gimp-image-raise-layer img text-layer)
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(gimp-layer-set-offsets bg-layer 0 0)
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(gimp-layer-set-offsets text-layer text-layers-offset 0)
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(gimp-layer-set-offsets bumpmap-layer text-layers-offset 0)
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(gimp-layer-set-offsets fore-layer text-layers-offset 0)
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; Create bumpmap layer
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill bumpmap-layer BACKGROUND-FILL)
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(gimp-selection-layer-alpha text-layer)
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(gimp-context-set-background '(255 255 255))
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(gimp-edit-fill bumpmap-layer BACKGROUND-FILL)
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(gimp-selection-none img)
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(plug-in-gauss-rle RUN-NONINTERACTIVE img bumpmap-layer 4.0 TRUE TRUE)
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; Fore layer, bumpmap
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(gimp-context-set-background '(255 255 255))
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(gimp-edit-fill fore-layer BACKGROUND-FILL)
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(plug-in-bump-map RUN-NONINTERACTIVE img fore-layer bumpmap-layer 135.0 45.0 4 0 0 0 0 FALSE FALSE 0)
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; Text layer
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(gimp-drawable-set-visible text-layer TRUE)
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(gimp-layer-set-lock-alpha text-layer TRUE)
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(gimp-edit-blend text-layer CUSTOM-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE gradient-reverse
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FALSE 0.2 3 TRUE
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padding padding
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(- text-width padding 1) (- text-height padding 1))
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; Semicircle at the left
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill bg-layer BACKGROUND-FILL)
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(gimp-ellipse-select img 0 0 text-height text-height CHANNEL-OP-REPLACE TRUE FALSE 0)
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(gimp-context-set-background (car (gimp-image-pick-color img text-layer
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text-layers-offset 0
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TRUE FALSE 0)))
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(gimp-edit-fill bg-layer BACKGROUND-FILL)
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; Fade-out gradient at the right
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(gimp-rect-select img (- img-width fade-width) 0 fade-width text-height
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CHANNEL-OP-REPLACE FALSE 0)
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(gimp-context-set-foreground (car (gimp-context-get-background)))
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-blend bg-layer FG-BG-RGB-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
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FALSE 0.2 3 TRUE
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(- img-width fade-width) 0 (- img-width 1) 0)
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(gimp-selection-none img)
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; Done
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; (gimp-image-flatten img)
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(gimp-image-undo-enable img)
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(gimp-display-new img)
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(gimp-context-pop)
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)
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)
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(script-fu-register "script-fu-title-header"
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_"Web Title Header..."
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_"Create a decorative web title header"
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"Federico Mena Quintero"
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"Federico Mena Quintero"
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"June 1997"
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""
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SF-STRING _"Text" "Hello world!"
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SF-ADJUSTMENT _"Font size (pixels)" '(32 2 256 1 10 0 0)
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SF-FONT _"Font" "Sans"
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SF-TOGGLE _"Gradient reverse" FALSE
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)
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(script-fu-menu-register "script-fu-title-header"
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"<Toolbox>/Xtns/Logos")
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