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https://gitlab.gnome.org/GNOME/gimp
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b435e55d14
Original patch supplied by Nelson A. de Oliveira. Modified to not use the -1 "insanity" for invalid/none layer ID's in scripts per IRC discussion. Additional scripts were changed to not pass -1 to gimp-image-insert-layer.
212 lines
7.5 KiB
Scheme
212 lines
7.5 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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; Round Button --- create a round beveled Web button.
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; Copyright (C) 1998 Federico Mena Quintero & Arturo Espinosa Aldama
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; federico@nuclecu.unam.mx arturo@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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; 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; The corresponding parameters have been replaced by an SF-FONT parameter.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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;
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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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(define (script-fu-round-button 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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ul-color-high
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lr-color-high
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hlight-color
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xpadding
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ypadding
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bevel
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ratio
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notpressed
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notpressed-active
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pressed)
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(cond ((eqv? notpressed TRUE)
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(do-pupibutton text size font ul-color lr-color
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text-color xpadding ypadding bevel ratio 0)))
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(cond ((eqv? notpressed-active TRUE)
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(do-pupibutton text size font ul-color-high lr-color-high
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hlight-color xpadding ypadding bevel ratio 0)))
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(cond ((eqv? pressed TRUE)
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(do-pupibutton text size font ul-color-high lr-color-high
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hlight-color xpadding ypadding bevel ratio 1))))
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(define (do-pupibutton 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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xpadding
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ypadding
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bevel
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ratio
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pressed)
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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 (round-select img
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x
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y
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width
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height
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ratio)
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(let* ((diameter (* ratio height)))
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(gimp-ellipse-select img x y diameter height CHANNEL-OP-ADD FALSE 0 0)
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(gimp-ellipse-select img (+ x (- width diameter)) y
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diameter height CHANNEL-OP-ADD FALSE 0 0)
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(gimp-rect-select img (+ x (/ diameter 2)) y
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(- width diameter) height CHANNEL-OP-ADD FALSE 0)))
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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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(height (+ (* 2 (+ ypadding bevel))
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(+ ascent descent)))
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(radius (/ (* ratio height) 4))
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(width (+ (* 2 (+ radius xpadding))
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bevel
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(text-width text-extents)))
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(img (car (gimp-image-new width height RGB)))
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(bumpmap (car (gimp-layer-new img width height
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RGBA-IMAGE "Bumpmap" 100 NORMAL-MODE)))
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(gradient (car (gimp-layer-new img width height
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RGBA-IMAGE "Button" 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-insert-layer img bumpmap 0 -1)
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(gimp-selection-none img)
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill bumpmap BACKGROUND-FILL)
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(round-select img (/ bevel 2) (/ bevel 2)
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(- width bevel) (- height bevel) ratio)
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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-selection-none img)
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(plug-in-gauss-rle RUN-NONINTERACTIVE img bumpmap bevel 1 1)
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; Create gradient layer
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(gimp-image-insert-layer img gradient 0 -1)
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(gimp-edit-clear gradient)
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(round-select img 0 0 width height ratio)
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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 0 (- height 1))
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(gimp-selection-none img)
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(plug-in-bump-map RUN-NONINTERACTIVE img gradient bumpmap
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135 45 bevel 0 0 0 0 TRUE pressed 0)
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; Create text layer
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(cond ((eqv? pressed 1) (set! bevel (+ bevel 1))))
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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
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font))))
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(gimp-layer-set-offsets textl
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(+ xpadding radius bevel)
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(+ ypadding descent bevel)))
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; Delete some fucked-up pixels.
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(gimp-selection-none img)
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(round-select img 1 1 (- width 1) (- height 1) ratio)
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(gimp-selection-invert img)
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(gimp-edit-clear gradient)
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; Done
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(gimp-image-remove-layer img bumpmap)
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(gimp-image-merge-visible-layers img EXPAND-AS-NECESSARY)
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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-round-button"
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_"_Round Button..."
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_"Create images, each containing an oval button graphic"
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"Arturo Espinosa (stolen from quartic's beveled button)"
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"Arturo Espinosa & Federico Mena Quintero"
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"June 1998"
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""
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SF-STRING _"Text" "GIMP"
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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 color" '(192 192 0)
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SF-COLOR _"Lower color" '(128 108 0)
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SF-COLOR _"Text color" "black"
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SF-COLOR _"Upper color (active)" '(255 255 0)
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SF-COLOR _"Lower color (active)" '(128 108 0)
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SF-COLOR _"Text color (active)" '(0 0 192)
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SF-ADJUSTMENT _"Padding X" '(4 0 100 1 10 0 1)
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SF-ADJUSTMENT _"Padding Y" '(4 0 100 1 10 0 1)
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SF-ADJUSTMENT _"Bevel width" '(2 0 100 1 10 0 1)
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SF-ADJUSTMENT _"Round ratio" '(1 0.05 20 0.05 1 2 1)
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SF-TOGGLE _"Not pressed" TRUE
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SF-TOGGLE _"Not pressed (active)" TRUE
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SF-TOGGLE _"Pressed" TRUE
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)
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(script-fu-menu-register "script-fu-round-button"
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"<Image>/File/Create/Buttons")
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