mirror of https://github.com/GNOME/gimp.git
109 lines
3.9 KiB
Scheme
109 lines
3.9 KiB
Scheme
; GIMP - The GNU Image Manipulation Program
|
|
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
;
|
|
; Alien Glow themed bullets for web pages
|
|
; Copyright (c) 1997 Adrian Likins
|
|
; aklikins@eos.ncsu.edu
|
|
;
|
|
; This program is free software: you can redistribute it and/or modify
|
|
; it under the terms of the GNU General Public License as published by
|
|
; the Free Software Foundation; either version 3 of the License, or
|
|
; (at your option) any later version.
|
|
;
|
|
; This program is distributed in the hope that it will be useful,
|
|
; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
; GNU General Public License for more details.
|
|
;
|
|
; You should have received a copy of the GNU General Public License
|
|
; along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
(define (script-fu-alien-glow-bullet radius
|
|
glow-color
|
|
bg-color
|
|
flatten)
|
|
|
|
(define (center-ellipse img cx cy rx ry op aa feather frad)
|
|
(gimp-ellipse-select img (- cx rx) (- cy ry) (+ rx rx) (+ ry ry)
|
|
op aa feather frad)
|
|
)
|
|
|
|
|
|
(let* (
|
|
(img (car (gimp-image-new radius radius RGB)))
|
|
(border (/ radius 4))
|
|
(diameter (* radius 2))
|
|
(half-radius (/ radius 2))
|
|
(blend-start (+ half-radius (/ half-radius 2)))
|
|
(bullet-layer (car (gimp-layer-new img
|
|
diameter diameter RGBA-IMAGE
|
|
_"Bullet" 100 NORMAL-MODE)))
|
|
(glow-layer (car (gimp-layer-new img diameter diameter RGBA-IMAGE
|
|
_"Alien Glow" 100 NORMAL-MODE)))
|
|
(bg-layer (car (gimp-layer-new img diameter diameter RGB-IMAGE
|
|
_"Background" 100 NORMAL-MODE)))
|
|
)
|
|
|
|
(gimp-context-push)
|
|
|
|
(gimp-image-undo-disable img)
|
|
(gimp-image-resize img diameter diameter 0 0)
|
|
(gimp-image-insert-layer img bg-layer -1 1)
|
|
(gimp-image-insert-layer img glow-layer -1 -1)
|
|
(gimp-image-insert-layer img bullet-layer -1 -1)
|
|
|
|
; (gimp-layer-set-lock-alpha ruler-layer TRUE)
|
|
(gimp-context-set-background bg-color)
|
|
(gimp-edit-fill bg-layer BACKGROUND-FILL)
|
|
(gimp-edit-clear glow-layer)
|
|
(gimp-edit-clear bullet-layer)
|
|
|
|
(center-ellipse img radius radius half-radius half-radius
|
|
CHANNEL-OP-REPLACE TRUE FALSE 0)
|
|
|
|
; (gimp-rect-select img (/ height 2) (/ height 2) length height CHANNEL-OP-REPLACE FALSE 0)
|
|
(gimp-context-set-foreground '(90 90 90))
|
|
(gimp-context-set-background '(0 0 0))
|
|
|
|
(gimp-edit-blend bullet-layer FG-BG-RGB-MODE NORMAL-MODE
|
|
GRADIENT-RADIAL 100 0 REPEAT-NONE FALSE
|
|
FALSE 0 0 TRUE
|
|
blend-start blend-start
|
|
(+ half-radius radius) (+ half-radius radius))
|
|
|
|
(gimp-context-set-foreground glow-color)
|
|
(gimp-selection-grow img border)
|
|
(gimp-selection-feather img border)
|
|
(gimp-edit-fill glow-layer FOREGROUND-FILL)
|
|
(gimp-selection-none img)
|
|
(if (>= radius 16)
|
|
(plug-in-gauss-rle RUN-NONINTERACTIVE img glow-layer 25 TRUE TRUE)
|
|
(plug-in-gauss-rle RUN-NONINTERACTIVE img glow-layer 12 TRUE TRUE)
|
|
)
|
|
|
|
(if (= flatten TRUE)
|
|
(gimp-image-flatten img)
|
|
)
|
|
(gimp-image-undo-enable img)
|
|
(gimp-display-new img)
|
|
|
|
(gimp-context-pop)
|
|
)
|
|
)
|
|
|
|
(script-fu-register "script-fu-alien-glow-bullet"
|
|
_"_Bullet..."
|
|
_"Create a bullet graphic with an eerie glow for web pages"
|
|
"Adrian Likins"
|
|
"Adrian Likins"
|
|
"1997"
|
|
""
|
|
SF-ADJUSTMENT _"Radius" '(16 1 100 1 10 0 1)
|
|
SF-COLOR _"Glow color" '(63 252 0)
|
|
SF-COLOR _"Background color" "black"
|
|
SF-TOGGLE _"Flatten image" TRUE
|
|
)
|
|
|
|
(script-fu-menu-register "script-fu-alien-glow-bullet"
|
|
"<Image>/File/Create/Web Page Themes/Alien Glow")
|