mirror of https://github.com/GNOME/gimp.git
161 lines
5.6 KiB
Scheme
161 lines
5.6 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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; Button00 --- create a simple beveled Web button
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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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; 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 3 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, see <http://www.gnu.org/licenses/>.
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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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; All calls to gimp-text-* have been converted to use the *-fontname form.
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; The corresponding parameters have been replaced by an SF-FONT parameter.
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; ************************************************************************
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(define (text-width extents)
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(car extents))
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(define (text-height extents)
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(cadr extents))
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(define (text-ascent extents)
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(caddr extents))
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(define (text-descent extents)
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(cadr (cddr extents)))
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(define (blend-bumpmap img
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drawable
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x1
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y1
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x2
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y2)
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(gimp-edit-blend drawable FG-BG-RGB-MODE DARKEN-ONLY-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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x1 y1 x2 y2))
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(define (script-fu-button00 text
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size
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font
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ul-color
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lr-color
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text-color
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padding
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bevel-width
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pressed)
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(let* (
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(text-extents (gimp-text-get-extents-fontname text
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size
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PIXELS
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font))
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(ascent (text-ascent text-extents))
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(descent (text-descent text-extents))
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(img-width (+ (* 2 (+ padding bevel-width))
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(text-width text-extents)))
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(img-height (+ (* 2 (+ padding bevel-width))
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(+ ascent descent)))
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(img (car (gimp-image-new img-width img-height RGB)))
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(bumpmap (car (gimp-layer-new img
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img-width img-height RGBA-IMAGE
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"Bumpmap" 100 NORMAL-MODE)))
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(gradient (car (gimp-layer-new img
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img-width img-height RGBA-IMAGE
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"Gradient" 100 NORMAL-MODE)))
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)
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(gimp-context-push)
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(gimp-image-undo-disable img)
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; Create bumpmap layer
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(gimp-image-add-layer img bumpmap -1)
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(gimp-context-set-foreground '(0 0 0))
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(gimp-context-set-background '(255 255 255))
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(gimp-edit-fill bumpmap BACKGROUND-FILL)
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(gimp-rect-select img 0 0 bevel-width img-height CHANNEL-OP-REPLACE FALSE 0)
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(blend-bumpmap img bumpmap 0 0 (- bevel-width 1) 0)
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(gimp-rect-select img 0 0 img-width bevel-width CHANNEL-OP-REPLACE FALSE 0)
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(blend-bumpmap img bumpmap 0 0 0 (- bevel-width 1))
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(gimp-rect-select img (- img-width bevel-width) 0 bevel-width img-height CHANNEL-OP-REPLACE FALSE 0)
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(blend-bumpmap img bumpmap (- img-width 1) 0 (- img-width bevel-width) 0)
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(gimp-rect-select img 0 (- img-height bevel-width) img-width bevel-width CHANNEL-OP-REPLACE FALSE 0)
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(blend-bumpmap img bumpmap 0 (- img-height 1) 0 (- img-height bevel-width))
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(gimp-selection-none img)
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; Create gradient layer
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(gimp-image-add-layer img gradient -1)
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(gimp-context-set-foreground ul-color)
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(gimp-context-set-background lr-color)
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(gimp-edit-blend gradient FG-BG-RGB-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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0 0 (- img-width 1) (- img-height 1))
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(plug-in-bump-map RUN-NONINTERACTIVE img gradient bumpmap
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135 45 bevel-width 0 0 0 0 TRUE pressed 0)
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; Create text layer
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(gimp-context-set-foreground text-color)
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(let ((textl (car (gimp-text-fontname
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img -1 0 0 text 0 TRUE size PIXELS font))))
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(gimp-layer-set-offsets textl
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(+ bevel-width padding)
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(+ bevel-width padding descent)))
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; Done
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(gimp-selection-none 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-button00"
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_"Simple _Beveled Button..."
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_"Create a simple, beveled button graphic for webpages"
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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)" '(16 2 100 1 1 0 1)
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SF-FONT _"Font" "Sans"
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SF-COLOR _"Upper-left color" '(0 255 127)
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SF-COLOR _"Lower-right color" '(0 127 255)
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SF-COLOR _"Text color" "black"
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SF-ADJUSTMENT _"Padding" '(2 1 100 1 10 0 1)
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SF-ADJUSTMENT _"Bevel width" '(4 1 100 1 10 0 1)
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SF-TOGGLE _"Pressed" FALSE
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)
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(script-fu-menu-register "script-fu-button00"
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"<Image>/File/Create/Buttons")
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