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e125c30cfd
The libgimp wrapper was just calling the PDB procedure. Get rid of the wrapper and make the PDB proc public. Also reorder the name argument to be in the second place, just like it was for the wrapper.
272 lines
10 KiB
Scheme
272 lines
10 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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; 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 <https://www.gnu.org/licenses/>.
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;
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;
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; slide.scm version 0.41 2004/03/28
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;
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; CHANGE-LOG:
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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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;
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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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; - antialiasing
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; - make 'add background' an option
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; - ?
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;
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; Copyright (C) 1997-1999 Sven Neumann <sven@gimp.org>
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;
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; makes your picture look like a slide
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;
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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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; layer.
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(define (script-fu-slide img
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drawables
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text
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number
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font
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font-color
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work-on-copy)
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(define (crop width height ratio)
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(if (>= width (* ratio height))
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(* ratio height)
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width
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)
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)
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(let* (
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(drawable (vector-ref drawables 0))
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(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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img)))
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(owidth (car (gimp-image-get-width image)))
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(oheight (car (gimp-image-get-height image)))
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(ratio (if (>= owidth oheight) (/ 3 2)
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(/ 2 3)))
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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 (- (/ (random 1000) 1000) 0.5))
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(film-layer (car (gimp-layer-new image
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"Film"
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width
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height
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type
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100
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LAYER-MODE-NORMAL)))
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(bg-layer (car (gimp-layer-new image
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"Background"
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width
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height
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type
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100
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LAYER-MODE-NORMAL)))
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(pic-layer (vector-ref (car (gimp-image-get-selected-drawables image)) 0))
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(numbera (string-append number "A"))
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)
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(gimp-context-push)
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(gimp-context-set-paint-mode LAYER-MODE-NORMAL)
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(gimp-context-set-opacity 100.0)
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(gimp-context-set-feather FALSE)
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(if (= work-on-copy TRUE)
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(gimp-image-undo-disable image)
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(gimp-image-undo-group-start image)
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)
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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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crop-width
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crop-height
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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
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height
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(/ (- width crop-width) 2)
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(/ (- height crop-height) 2))
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(if (< ratio 1)
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(begin
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(gimp-selection-none image)
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(gimp-item-transform-rotate-simple pic-layer ROTATE-DEGREES90 TRUE 0 0)
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)
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)
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; add the background layer
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(gimp-drawable-fill bg-layer FILL-BACKGROUND)
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(gimp-image-insert-layer image bg-layer 0 -1)
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; add the film layer
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(gimp-context-set-background '(0 0 0))
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(gimp-drawable-fill film-layer FILL-BACKGROUND)
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(gimp-image-insert-layer image film-layer 0 -1)
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; add the text
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(gimp-context-set-foreground font-color)
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(gimp-floating-sel-anchor (car (gimp-text-font
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image
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film-layer
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(+ hole-start (* -0.25 width))
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(* 0.01 height)
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text
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0
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TRUE
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(* 0.040 height) font)))
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(gimp-floating-sel-anchor (car (gimp-text-font
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image
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film-layer
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(+ hole-start (* 0.75 width))
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(* 0.01 height)
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text
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0
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TRUE
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(* 0.040 height)
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font )))
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(gimp-floating-sel-anchor (car (gimp-text-font
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image
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film-layer
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(+ hole-start (* 0.35 width))
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0.0
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number
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0
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TRUE
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(* 0.050 height)
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font )))
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(gimp-floating-sel-anchor (car (gimp-text-font
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image
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film-layer
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(+ hole-start (* 0.35 width))
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(* 0.94 height)
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number
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0
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TRUE
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(* 0.050 height)
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font )))
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(gimp-floating-sel-anchor (car (gimp-text-font
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image
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film-layer
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(+ hole-start (* 0.85 width))
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(* 0.945 height)
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numbera
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0
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TRUE
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(* 0.045 height)
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font )))
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; create a mask for the holes and cut them out
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(let* (
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(film-mask (car (gimp-layer-create-mask film-layer ADD-MASK-WHITE)))
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(hole hole-start)
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(top-y (* height 0.06))
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(bottom-y (* height 0.855))
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)
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(gimp-layer-add-mask film-layer film-mask)
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(gimp-selection-none image)
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(while (< hole 8)
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(gimp-image-select-rectangle image
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CHANNEL-OP-ADD
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(* hole-space hole)
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top-y
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hole-width
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hole-height)
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(gimp-image-select-rectangle image
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CHANNEL-OP-ADD
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(* hole-space hole)
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bottom-y
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hole-width
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hole-height)
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(set! hole (+ hole 1))
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)
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(gimp-context-set-foreground '(0 0 0))
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(gimp-drawable-edit-fill film-mask FILL-BACKGROUND)
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(gimp-selection-none image)
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(gimp-drawable-merge-new-filter film-mask "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0
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"std-dev-x" (* 0.32 hole-radius)
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"std-dev-y" (* 0.32 hole-radius)
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"filter" "auto")
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(gimp-drawable-threshold film-mask HISTOGRAM-VALUE 0.5 1.0)
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(gimp-layer-remove-mask film-layer MASK-APPLY)
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)
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; reorder the layers
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(gimp-image-raise-item image pic-layer)
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(gimp-image-raise-item image pic-layer)
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; eventually rotate the whole thing back
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(if (< ratio 1)
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(gimp-image-rotate image ROTATE-DEGREES270)
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)
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; clean up after the script
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(gimp-selection-none image)
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(if (= work-on-copy TRUE)
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(begin
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(gimp-display-new image)
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(gimp-image-undo-enable image)
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)
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(gimp-image-undo-group-end image)
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)
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(gimp-displays-flush)
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(gimp-context-pop)
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)
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)
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(script-fu-register-filter "script-fu-slide"
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_"_Slide..."
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_"Add a slide-film like frame, sprocket holes, and labels to an image"
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"Sven Neumann <sven@gimp.org>"
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"Sven Neumann"
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"2004/03/28"
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"RGB GRAY"
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SF-ONE-OR-MORE-DRAWABLE
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SF-STRING _"Text" "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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)
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(script-fu-menu-register "script-fu-slide"
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"<Image>/Filters/Decor")
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