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; The GIMP -- an image manipulation program
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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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 2 of the License, or
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; (at your option) any later version.
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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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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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; slide.scm version 0.41 2004/03/28
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; 0.20 - first public release
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; 0.30 - some code cleanup
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; now uses the rotate plug-in to improve speed
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; 0.40 - changes to work with gimp-1.1
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; if the image was rotated, rotate the whole thing back when finished
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; 0.41 - changes to work with gimp-2.0, slightly correct text offsets,
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; Nils Philippsen <nphilipp@redhat.com> 2004/03/28
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; !still in development!
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; TODO: - change the script so that the film is rotated, not the image
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; - make 'add background' an option
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; Copyright (C) 1997-1999 Sven Neumann <sven@gimp.org>
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; makes your picture look like a slide
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; The script works on RGB and grayscale images that contain only
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; one layer. The image is cropped to fit into an aspect ratio of 1:1,5.
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; It creates a copy of the image or can optionally work on the original.
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; The script uses the current background color to create a background
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(define (crop width height ratio)
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(cond ((>= width (* ratio height)) (* ratio height))
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((< width (* ratio height)) width)))
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(define (script-fu-slide img
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(let* ((type (car (gimp-drawable-type-with-alpha drawable)))
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(image (cond ((= work-on-copy TRUE)
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(car (gimp-image-duplicate img)))
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((= work-on-copy FALSE)
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(owidth (car (gimp-image-width image)))
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(oheight (car (gimp-image-height image)))
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(ratio (if (>= owidth oheight) (/ 3 2)
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(crop-width (crop owidth oheight ratio))
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(crop-height (/ crop-width ratio))
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(width (* (max crop-width crop-height) 1.05))
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(height (* (min crop-width crop-height) 1.5))
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(hole-width (/ width 20))
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(hole-space (/ width 8))
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(hole-height (/ width 12))
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(hole-radius (/ hole-width 4))
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(hole-start (- (/ (rand 1000) 1000) 0.5))
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(film-layer (car (gimp-layer-new image
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(bg-layer (car (gimp-layer-new image
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(pic-layer (car (gimp-image-get-active-drawable image)))
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(numbera (string-append number "A")))
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(gimp-image-undo-disable image)
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; add an alpha channel to the image
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(gimp-layer-add-alpha pic-layer)
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; crop, resize and eventually rotate the image
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(gimp-image-crop image
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(/ (- owidth crop-width) 2)
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(/ (- oheight crop-height) 2))
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(gimp-image-resize image
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(/ (- width crop-width) 2)
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(/ (- height crop-height) 2))
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(if (< ratio 1) (plug-in-rotate 1
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; add the background layer
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(gimp-drawable-fill bg-layer BACKGROUND-FILL)
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(gimp-image-add-layer image bg-layer -1)
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(gimp-context-set-background '(0 0 0))
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(gimp-drawable-fill film-layer BACKGROUND-FILL)
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(gimp-image-add-layer image film-layer -1)
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(gimp-context-set-foreground font-color)
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(gimp-floating-sel-anchor (car (gimp-text-fontname image
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(+ hole-start (* -0.25 width))
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(* 0.040 height) PIXELS fontname)))
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(gimp-floating-sel-anchor (car (gimp-text-fontname image
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(+ hole-start (* 0.75 width))
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(* 0.040 height) PIXELS
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(gimp-floating-sel-anchor (car (gimp-text-fontname image
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(+ hole-start (* 0.35 width))
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(* 0.050 height) PIXELS
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(gimp-floating-sel-anchor (car (gimp-text-fontname image
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(+ hole-start (* 0.35 width))
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(* 0.050 height) PIXELS
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(gimp-floating-sel-anchor (car (gimp-text-fontname image
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(+ hole-start (* 0.85 width))
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(* 0.045 height) PIXELS
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; create a mask for the holes and cut them out
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(let* ((film-mask (car (gimp-layer-create-mask film-layer ADD-WHITE-MASK)))
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(top-y (* height 0.06))
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(bottom-y(* height 0.855)))
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(gimp-layer-add-mask film-layer film-mask)
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(gimp-selection-none image)
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(gimp-rect-select image
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(gimp-rect-select image
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(set! hole (+ hole 1)))
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(gimp-context-set-foreground '(0 0 0))
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(gimp-edit-fill film-mask BACKGROUND-FILL)
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(gimp-selection-none image)
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(plug-in-gauss-rle 1 image film-mask hole-radius TRUE TRUE)
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(gimp-threshold film-mask 127 255)
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(gimp-layer-remove-mask film-layer MASK-APPLY))
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(gimp-image-raise-layer image pic-layer)
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(gimp-image-raise-layer image pic-layer)
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; eventually rotate the whole thing back
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; clean up after the script
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(gimp-selection-none image)
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(gimp-image-undo-enable image)
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(if (= work-on-copy TRUE)
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(gimp-display-new image))
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(gimp-displays-flush)
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(script-fu-register "script-fu-slide"
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"Gives the image the look of a slide"
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"Sven Neumann <sven@gimp.org>"
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SF-DRAWABLE "Drawable" 0
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SF-STRING _"Text" "The GIMP"
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SF-STRING _"Number" "32"
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SF-FONT _"Font" "Serif"
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SF-COLOR _"Font color" '(255 180 0)
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SF-TOGGLE _"Work on copy" TRUE)
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(script-fu-menu-register "script-fu-slide"
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_"<Image>/Script-Fu/Decor")
added
removed
plug-ins/script-fu/scripts/slide.scm
