; The GIMP -- an image manipulation program ; Copyright (C) 1995 Spencer Kimball and Peter Mattis ; ; Round Button --- create a round beveled Web button. ; Copyright (C) 1998 Federico Mena Quintero & Arturo Espinosa Aldama ; federico@nuclecu.unam.mx arturo@nuclecu.unam.mx ; ************************************************************************ ; Changed on Feb 4, 1999 by Piet van Oostrum ; 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 ; The corresponding parameters have been replaced by an SF-FONT parameter. ; ************************************************************************ ; ; 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. (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 (round-select img x y width height ratio) (let* ((diameter (* ratio height))) (gimp-ellipse-select img x y diameter height ADD FALSE 0 0) (gimp-ellipse-select img (+ x (- width diameter)) y diameter height ADD FALSE 0 0) (gimp-rect-select img (+ x (/ diameter 2)) y (- width diameter) height ADD FALSE 0))) (define (script-fu-bilbo-button text size font ul-color lr-color text-color ul-color-high lr-color-high hlight-color xpadding ypadding bevel ratio notpressed notpressed-active pressed) (cond ((eqv? notpressed TRUE) (do-pupibutton text size font ul-color lr-color text-color xpadding ypadding bevel ratio 0))) (cond ((eqv? notpressed-active TRUE) (do-pupibutton text size font ul-color-high lr-color-high hlight-color xpadding ypadding bevel ratio 0))) (cond ((eqv? pressed TRUE) (do-pupibutton text size font ul-color-high lr-color-high hlight-color xpadding ypadding bevel ratio 1)))) (define (do-pupibutton text size font ul-color lr-color text-color xpadding ypadding bevel ratio pressed) (let* ((old-fg-color (car (gimp-palette-get-foreground))) (old-bg-color (car (gimp-palette-get-background))) (text-extents (gimp-text-get-extents-fontname text size PIXELS font)) (ascent (text-ascent text-extents)) (descent (text-descent text-extents)) (height (+ (* 2 (+ ypadding bevel)) (+ ascent descent))) (radius (/ (* ratio height) 4)) (width (+ (* 2 (+ radius xpadding)) bevel (- (text-width text-extents) (text-width (gimp-text-get-extents-fontname " " size PIXELS font))))) (img (car (gimp-image-new width height RGB))) (bumpmap (car (gimp-layer-new img width height RGBA_IMAGE "Bumpmap" 100 NORMAL))) (gradient (car (gimp-layer-new img width height RGBA_IMAGE "Button" 100 NORMAL)))) (gimp-image-undo-disable img) ; Create bumpmap layer (gimp-image-add-layer img bumpmap -1) (gimp-selection-none img) (gimp-palette-set-background '(0 0 0)) (gimp-edit-fill bumpmap BG-IMAGE-FILL) (round-select img (/ bevel 2) (/ bevel 2) (- width bevel) (- height bevel) ratio) (gimp-palette-set-background '(255 255 255)) (gimp-edit-fill bumpmap BG-IMAGE-FILL) (gimp-selection-none img) (plug-in-gauss-rle 1 img bumpmap bevel 1 1) ; Create gradient layer (gimp-image-add-layer img gradient -1) (gimp-edit-clear gradient) (round-select img 0 0 width height ratio) (gimp-palette-set-foreground ul-color) (gimp-palette-set-background lr-color) (gimp-blend gradient FG-BG-RGB NORMAL LINEAR 100 0 REPEAT-NONE FALSE 0 0 0 0 0 (- height 1)) (gimp-selection-none img) (plug-in-bump-map 1 img gradient bumpmap 135 45 bevel 0 0 0 0 TRUE pressed 0) ; Create text layer (cond ((eqv? pressed 1) (set! bevel (+ bevel 1)))) (gimp-palette-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 (+ xpadding radius bevel) (+ ypadding descent bevel))) ; Delete some fucked-up pixels. (gimp-selection-none img) (round-select img 1 1 (- width 1) (- height 1) ratio) (gimp-selection-invert img) (gimp-edit-clear gradient) ; Done (gimp-image-remove-layer img bumpmap) (gimp-image-merge-visible-layers img EXPAND-AS-NECESSARY) (gimp-selection-none img) (gimp-palette-set-foreground old-fg-color) (gimp-palette-set-background old-bg-color) (gimp-image-undo-enable img) (gimp-display-new img))) ; Register! (script-fu-register "script-fu-bilbo-button" _"/Abi/Abi 96 Link-Button..." "Round button" "Arturo Espinosa (stolen from quartic's beveled button)" "Arturo Espinosa & Federico Mena Quintero" "June 1998" "" SF-STRING _"Text" "The GIMP" SF-ADJUSTMENT _"Font Size (pixels)" '(16 2 100 1 1 0 1) SF-FONT _"Font" "-urw-gothic l-demi bold-r-normal-*-24-*-*-*-p-*-iso8859-1" SF-COLOR _"Upper Color" '(0 0 255) SF-COLOR _"Lower Color" '(25 25 153) SF-COLOR _"Text Color" '(255 255 255) SF-COLOR _"Upper Color (Active)" '(0 0 255) SF-COLOR _"Lower Color (Active)" '(25 25 153) SF-COLOR _"Text Color (Active)" '(204 204 0) SF-ADJUSTMENT _"Padding X" '(4 0 100 1 10 0 1) SF-ADJUSTMENT _"Padding Y" '(4 0 100 1 10 0 1) SF-ADJUSTMENT _"Bevel Width" '(4 0 100 1 10 0 1) SF-ADJUSTMENT _"Round Ratio" '(1 0.05 20 0.05 1 2 1) SF-TOGGLE _"Not Pressed" TRUE SF-TOGGLE _"Not Pressed (Active)" TRUE SF-TOGGLE _"Pressed" FALSE)