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- ; Newsprint text
- ; Copyright (c) 1998 Austin Donnelly <austin@greenend.org.uk>
- ;
- ;
- ; Based on alien glow code from Adrian Likins
- ;
- ; 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 (script-fu-newsprint-text string font font-size cell-size density blur-radius text-color bg-color)
- (let* ((text-ext (gimp-text-get-extents-fontname string font-size PIXELS font))
- (width (+ (car text-ext) 20 blur-radius))
- (height (+ (nth 1 text-ext) 20 blur-radius))
- (img (car (gimp-image-new width height RGB)))
- (bg-layer (car (gimp-layer-new img width height RGB-IMAGE "Background" 100 NORMAL-MODE)))
- (text-layer (car (gimp-layer-new img width height RGBA-IMAGE "Text layer" 100 NORMAL-MODE)))
- (text-mask 0)
- (grey (/ (* density 255) 100)))
-
- (gimp-context-push)
-
- (gimp-image-undo-disable img)
- (gimp-image-add-layer img bg-layer 1)
- (gimp-image-add-layer img text-layer -1)
-
- (gimp-context-set-background bg-color)
- (gimp-edit-clear bg-layer)
- (gimp-edit-clear text-layer)
-
- (gimp-context-set-foreground text-color)
- (gimp-floating-sel-anchor (car (gimp-text-fontname img text-layer (/ (+ 20 blur-radius) 2) (/ (+ 20 blur-radius) 2) string 0 TRUE font-size PIXELS font)))
-
- (set! text-mask (car (gimp-layer-create-mask text-layer ADD-ALPHA-MASK)))
- (gimp-layer-add-mask text-layer text-mask)
-
- (gimp-selection-layer-alpha text-layer)
- (gimp-context-set-background (list grey grey grey))
- (gimp-edit-fill text-mask BACKGROUND-FILL)
- (gimp-selection-none img)
- (if (> blur-radius 0)
- (plug-in-gauss-iir 1 img text-mask blur-radius 1 1)
- )
-
- (plug-in-newsprint 1 img text-mask cell-size 0 0 45.0 3 45.0 0 45.0 0 45.0 0 3)
-
- (gimp-edit-fill text-layer FOREGROUND-FILL)
- (gimp-layer-remove-mask text-layer MASK-APPLY)
-
- (gimp-image-undo-enable img)
- (gimp-display-new img)
-
- (gimp-context-pop)))
-
- (script-fu-register "script-fu-newsprint-text"
- _"Newsprint Text..."
- "Apply a screen to text"
- "Austin Donnelly"
- "Austin Donnelly"
- "1998"
- ""
- SF-STRING _"Text" "Newsprint"
- SF-FONT _"Font" "Sans"
- SF-ADJUSTMENT _"Font size (pixels)" '(100 2 1000 1 10 0 1)
- SF-ADJUSTMENT _"Cell size (pixels)" '(7 1 100 1 10 0 1)
- SF-ADJUSTMENT _"Density (%)" '(60 0 100 1 10 0 0)
- SF-ADJUSTMENT _"Blur radius" '(0 0 100 1 5 0 0)
- SF-COLOR _"Text color" '(0 0 0)
- SF-COLOR _"Background color" '(255 255 255))
-
- (script-fu-menu-register "script-fu-newsprint-text"
- _"<Toolbox>/Xtns/Script-Fu/Logos")
-