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35b372ea08
2004-09-22 Michael Natterer <mitch@gimp.org> * tools/pdbgen/Makefile.am * tools/pdbgen/groups.pl * tools/pdbgen/pdb/palette.pdb: removed the "Palette" pdb group... * tools/pdbgen/pdb/context.pdb: and added its functions to the "Context" namespace instead. * app/pdb/Makefile.am * app/pdb/palette_cmds.c: removed. * app/pdb/procedural_db.c: added them to the pdb_compat hash table. * libgimp/Makefile.am * libgimp/gimppalette_pdb.[ch]: removed. * libgimp/gimppalette.[ch]: new files holding compat functions which call gimp_context_*() functions. * libgimp/gimp.h * libgimp/gimpui.c: changed accordingly. * app/pdb/context_cmds.c * app/pdb/internal_procs.c * libgimp/gimp_pdb.h * libgimp/gimpcontext_pdb.[ch]: regenerated. * plug-ins/MapObject/mapobject_image.c * plug-ins/MapObject/mapobject_preview.c * plug-ins/common/apply_lens.c * plug-ins/common/blinds.c * plug-ins/common/borderaverage.c * plug-ins/common/checkerboard.c * plug-ins/common/colortoalpha.c * plug-ins/common/cubism.c * plug-ins/common/exchange.c * plug-ins/common/film.c * plug-ins/common/gif.c * plug-ins/common/grid.c * plug-ins/common/mapcolor.c * plug-ins/common/mblur.c * plug-ins/common/mng.c * plug-ins/common/mosaic.c * plug-ins/common/papertile.c * plug-ins/common/png.c * plug-ins/common/polar.c * plug-ins/common/semiflatten.c * plug-ins/common/sinus.c * plug-ins/common/sparkle.c * plug-ins/common/vpropagate.c * plug-ins/common/warp.c * plug-ins/common/whirlpinch.c * plug-ins/gfig/gfig-style.c * plug-ins/gfli/gfli.c * plug-ins/ifscompose/ifscompose.c * plug-ins/maze/handy.c * plug-ins/pagecurl/pagecurl.c * plug-ins/pygimp/gimpmodule.c * plug-ins/script-fu/scripts/*.scm: changed accordingly.
161 lines
5.6 KiB
Scheme
161 lines
5.6 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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; Alien Glow themed arrows for web pages
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; Copyright (c) 1997 Adrian Likins
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; aklikins@eos.ncsu.edu
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;
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;
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; Based on code from
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; Federico Mena Quintero
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; federico@nuclecu.unam.mx
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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-alien-glow-right-arrow size
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orientation
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glow-color
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bg-color
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flatten)
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; some local helper functions, better to not define globally,
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; since otherwise the definitions could be clobbered by other scripts.
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(define (map proc seq)
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(if (null? seq)
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'()
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(cons (proc (car seq))
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(map proc (cdr seq)))))
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(define (for-each proc seq)
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(if (not (null? seq))
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(begin
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(proc (car seq))
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(for-each proc (cdr seq)))))
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(define (make-point x y)
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(cons x y))
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(define (point-x p)
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(car p))
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(define (point-y p)
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(cdr p))
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(define (point-list->double-array point-list)
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(define (convert points array pos)
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(if (not (null? points))
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(begin
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(aset array (* 2 pos) (point-x (car points)))
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(aset array (+ 1 (* 2 pos)) (point-y (car points)))
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(convert (cdr points) array (+ pos 1)))))
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(let* ((how-many (length point-list))
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(a (cons-array (* 2 how-many) 'double)))
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(convert point-list a 0)
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a))
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(define (make-arrow size
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offset)
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(list (make-point offset offset)
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(make-point (- size offset) (/ size 2))
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(make-point offset (- size offset))))
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(define (rotate-points points size orientation)
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(map (lambda (p)
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(let ((px (point-x p))
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(py (point-y p)))
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(cond ((= orientation 0) (make-point px py)) ; right
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((= orientation 1) (make-point (- size px) py)) ; left
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((= orientation 2) (make-point py (- size px))) ; up
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((= orientation 3) (make-point py px))))) ; down
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points))
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; the main function
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(let* ((img (car (gimp-image-new size size RGB)))
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(grow-amount (/ size 12))
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(blur-radius (/ size 3))
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(offset (/ size 6))
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(ruler-layer (car (gimp-layer-new img
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size size RGBA-IMAGE
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"Ruler" 100 NORMAL-MODE)))
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(glow-layer (car (gimp-layer-new img
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size size RGBA-IMAGE
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"Alien Glow" 100 NORMAL-MODE)))
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(bg-layer (car (gimp-layer-new img
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size size RGB-IMAGE
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"Background" 100 NORMAL-MODE)))
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(big-arrow (point-list->double-array
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(rotate-points (make-arrow size offset)
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size orientation))))
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(gimp-context-push)
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(gimp-image-undo-disable img)
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;(gimp-image-resize img (+ length height) (+ height height) 0 0)
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(gimp-image-add-layer img bg-layer 1)
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(gimp-image-add-layer img glow-layer -1)
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(gimp-image-add-layer img ruler-layer -1)
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(gimp-edit-clear glow-layer)
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(gimp-edit-clear ruler-layer)
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(gimp-free-select img 6 big-arrow CHANNEL-OP-REPLACE TRUE FALSE 0)
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(gimp-context-set-foreground '(103 103 103))
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-blend ruler-layer FG-BG-RGB-MODE NORMAL-MODE
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GRADIENT-SHAPEBURST-ANGULAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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0 0 size size)
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(gimp-selection-grow img grow-amount)
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(gimp-context-set-foreground glow-color)
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(gimp-edit-fill glow-layer FOREGROUND-FILL)
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(gimp-selection-none img)
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(plug-in-gauss-rle 1 img glow-layer blur-radius TRUE TRUE)
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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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(if (= flatten TRUE)
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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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(script-fu-register "script-fu-alien-glow-right-arrow"
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_"<Toolbox>/Xtns/Script-Fu/Web Page Themes/Alien Glow/_Arrow..."
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"Create an X-file deal"
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"Adrian Likins"
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"Adrian Likins"
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"1997"
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""
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SF-ADJUSTMENT _"Size" '(32 5 150 1 10 0 1)
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SF-OPTION _"Orientation" '(_"Right"
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_"Left"
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_"Up"
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_"Down")
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SF-COLOR _"Glow color" '(63 252 0)
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SF-COLOR _"Background color" '(0 0 0)
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SF-TOGGLE _"Flatten image" TRUE)
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