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|
; The GIMP -- an image manipulation program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Button00 --- create a simple beveled Web button
; Copyright (C) 1997 Federico Mena Quintero
; federico@nuclecu.unam.mx
;
; 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 2 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, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
; ************************************************************************
; Changed on Feb 4, 1999 by Piet van Oostrum <piet@cs.uu.nl>
; For use with GIMP 1.1.
; All calls to gimp-text-* have been converted to use the *-fontname form.
; The corresponding parameters have been replaced by an SF-FONT parameter.
; ************************************************************************
(define (text-width extents)
(car extents))
(define (text-height extents)
(cadr extents))
(define (text-ascent extents)
(caddr extents))
(define (text-descent extents)
(cadr (cddr extents)))
(define (blend-bumpmap img
drawable
x1
y1
x2
y2)
(gimp-edit-blend drawable FG-BG-RGB-MODE DARKEN-ONLY-MODE
GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
FALSE 0 0 TRUE
x1 y1 x2 y2))
(define (script-fu-button00 text
size
font
ul-color
lr-color
text-color
padding
bevel-width
pressed)
(let* ((text-extents (gimp-text-get-extents-fontname text
size
PIXELS
font))
(ascent (text-ascent text-extents))
(descent (text-descent text-extents))
(img-width (+ (* 2 (+ padding bevel-width))
(text-width text-extents)))
(img-height (+ (* 2 (+ padding bevel-width))
(+ ascent descent)))
(img (car (gimp-image-new img-width img-height RGB)))
(bumpmap (car (gimp-layer-new img
img-width img-height RGBA-IMAGE
"Bumpmap" 100 NORMAL-MODE)))
(gradient (car (gimp-layer-new img
img-width img-height RGBA-IMAGE
"Gradient" 100 NORMAL-MODE))))
(gimp-context-push)
(gimp-image-undo-disable img)
; Create bumpmap layer
(gimp-image-add-layer img bumpmap -1)
(gimp-context-set-foreground '(0 0 0))
(gimp-context-set-background '(255 255 255))
(gimp-edit-fill bumpmap BACKGROUND-FILL)
(gimp-rect-select img 0 0 bevel-width img-height CHANNEL-OP-REPLACE FALSE 0)
(blend-bumpmap img bumpmap 0 0 (- bevel-width 1) 0)
(gimp-rect-select img 0 0 img-width bevel-width CHANNEL-OP-REPLACE FALSE 0)
(blend-bumpmap img bumpmap 0 0 0 (- bevel-width 1))
(gimp-rect-select img (- img-width bevel-width) 0 bevel-width img-height CHANNEL-OP-REPLACE FALSE 0)
(blend-bumpmap img bumpmap (- img-width 1) 0 (- img-width bevel-width) 0)
(gimp-rect-select img 0 (- img-height bevel-width) img-width bevel-width CHANNEL-OP-REPLACE FALSE 0)
(blend-bumpmap img bumpmap 0 (- img-height 1) 0 (- img-height bevel-width))
(gimp-selection-none img)
; Create gradient layer
(gimp-image-add-layer img gradient -1)
(gimp-context-set-foreground ul-color)
(gimp-context-set-background lr-color)
(gimp-edit-blend gradient FG-BG-RGB-MODE NORMAL-MODE
GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
FALSE 0 0 TRUE
0 0 (- img-width 1) (- img-height 1))
(plug-in-bump-map 1 img gradient bumpmap
135 45 bevel-width 0 0 0 0 TRUE pressed 0)
; Create text layer
(gimp-context-set-foreground text-color)
(let ((textl (car (gimp-text-fontname
img -1 0 0 text 0 TRUE size PIXELS font))))
(gimp-layer-set-offsets textl
(+ bevel-width padding)
(+ bevel-width padding descent)))
; Done
(gimp-selection-none img)
(gimp-image-undo-enable img)
(gimp-display-new img)
(gimp-context-pop)))
(script-fu-register "script-fu-button00"
_"Simple _Beveled Button..."
"Simple beveled button"
"Federico Mena Quintero"
"Federico Mena Quintero"
"June 1997"
""
SF-STRING _"Text" "Hello world!"
SF-ADJUSTMENT _"Font size (pixels)" '(16 2 100 1 1 0 1)
SF-FONT _"Font" "Sans"
SF-COLOR _"Upper-left color" '(0 255 127)
SF-COLOR _"Lower-right color" '(0 127 255)
SF-COLOR _"Text color" '(0 0 0)
SF-ADJUSTMENT _"Padding" '(2 1 100 1 10 0 1)
SF-ADJUSTMENT _"Bevel width" '(4 1 100 1 10 0 1)
SF-TOGGLE _"Pressed" FALSE)
(script-fu-menu-register "script-fu-button00"
_"<Toolbox>/Xtns/Script-Fu/Buttons")
|
