mirror of
https://gitlab.gnome.org/GNOME/gimp.git
synced 2025-07-03 17:33:25 +00:00
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.
438 lines
16 KiB
Scheme
438 lines
16 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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; Weave script --- make an image look as if it were woven
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; Copyright (C) 1997 Federico Mena Quintero
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; federico@nuclecu.unam.mx
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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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; Copies the specified rectangle from/to the specified drawable
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(define (copy-rectangle img
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drawable
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x1
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y1
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width
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height
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dest-x
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dest-y)
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(gimp-image-select-rectangle img CHANNEL-OP-REPLACE x1 y1 width height)
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(gimp-edit-copy (vector drawable))
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(let* (
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(pasted (car (gimp-edit-paste drawable FALSE)))
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(num-pasted (vector-length pasted))
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(floating-sel (vector-ref pasted (- num-pasted 1)))
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)
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(gimp-layer-set-offsets floating-sel dest-x dest-y)
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(gimp-floating-sel-anchor floating-sel)
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)
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(gimp-selection-none img))
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; Creates a single weaving tile
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(define (create-weave-tile ribbon-width
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ribbon-spacing
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shadow-darkness
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shadow-depth)
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(let* ((tile-size (+ (* 2 ribbon-width) (* 2 ribbon-spacing)))
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(darkness (* 255 (/ (- 100 shadow-darkness) 100)))
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(img (car (gimp-image-new tile-size tile-size RGB)))
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(drawable (car (gimp-layer-new img "Weave tile" tile-size tile-size RGB-IMAGE
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100 LAYER-MODE-NORMAL))))
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(gimp-image-undo-disable img)
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(gimp-image-insert-layer img drawable 0 0)
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(gimp-context-set-background '(0 0 0))
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(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
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; Create main horizontal ribbon
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(gimp-context-set-foreground '(255 255 255))
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(gimp-context-set-background (list darkness darkness darkness))
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(gimp-image-select-rectangle img
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CHANNEL-OP-REPLACE
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0
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ribbon-spacing
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(+ (* 2 ribbon-spacing) ribbon-width)
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ribbon-width)
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(gimp-context-set-gradient-fg-bg-rgb)
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(gimp-drawable-edit-gradient-fill drawable
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GRADIENT-BILINEAR (- 100 shadow-depth)
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FALSE 1 0
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TRUE
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(/ (+ (* 2 ribbon-spacing) ribbon-width -1) 2) 0
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0 0)
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; Create main vertical ribbon
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(gimp-image-select-rectangle img
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CHANNEL-OP-REPLACE
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(+ (* 2 ribbon-spacing) ribbon-width)
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0
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ribbon-width
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(+ (* 2 ribbon-spacing) ribbon-width))
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(gimp-drawable-edit-gradient-fill drawable
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GRADIENT-BILINEAR (- 100 shadow-depth)
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FALSE 1 0
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TRUE
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0 (/ (+ (* 2 ribbon-spacing) ribbon-width -1) 2)
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0 0)
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; Create the secondary horizontal ribbon
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(copy-rectangle img
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drawable
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0
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ribbon-spacing
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(+ ribbon-width ribbon-spacing)
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ribbon-width
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(+ ribbon-width ribbon-spacing)
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(+ (* 2 ribbon-spacing) ribbon-width))
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(copy-rectangle img
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drawable
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(+ ribbon-width ribbon-spacing)
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ribbon-spacing
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ribbon-spacing
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ribbon-width
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0
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(+ (* 2 ribbon-spacing) ribbon-width))
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; Create the secondary vertical ribbon
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(copy-rectangle img
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drawable
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(+ (* 2 ribbon-spacing) ribbon-width)
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0
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ribbon-width
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(+ ribbon-width ribbon-spacing)
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ribbon-spacing
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(+ ribbon-width ribbon-spacing))
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(copy-rectangle img
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drawable
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(+ (* 2 ribbon-spacing) ribbon-width)
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(+ ribbon-width ribbon-spacing)
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ribbon-width
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ribbon-spacing
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ribbon-spacing
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0)
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; Done
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(gimp-image-undo-enable img)
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(list img drawable)))
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; Creates a complete weaving mask
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(define (create-weave width
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height
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ribbon-width
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ribbon-spacing
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shadow-darkness
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shadow-depth)
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(let* ((tile (create-weave-tile ribbon-width ribbon-spacing shadow-darkness
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shadow-depth))
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(tile-img (car tile))
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(tile-layer (cadr tile))
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(weaving (plug-in-tile RUN-NONINTERACTIVE tile-img (vector tile-layer) width height TRUE)))
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(gimp-image-delete tile-img)
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weaving))
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; Creates a single tile for masking
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(define (create-mask-tile ribbon-width
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ribbon-spacing
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r1-x1
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r1-y1
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r1-width
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r1-height
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r2-x1
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r2-y1
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r2-width
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r2-height
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r3-x1
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r3-y1
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r3-width
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r3-height)
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(let* ((tile-size (+ (* 2 ribbon-width) (* 2 ribbon-spacing)))
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(img (car (gimp-image-new tile-size tile-size RGB)))
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(drawable (car (gimp-layer-new img "Mask" tile-size tile-size RGB-IMAGE
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100 LAYER-MODE-NORMAL))))
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(gimp-image-undo-disable img)
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(gimp-image-insert-layer img drawable 0 0)
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(gimp-context-set-background '(0 0 0))
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(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
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(gimp-image-select-rectangle img CHANNEL-OP-REPLACE r1-x1 r1-y1 r1-width r1-height)
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(gimp-image-select-rectangle img CHANNEL-OP-ADD r2-x1 r2-y1 r2-width r2-height)
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(gimp-image-select-rectangle img CHANNEL-OP-ADD r3-x1 r3-y1 r3-width r3-height)
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(gimp-context-set-background '(255 255 255))
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(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
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(gimp-selection-none img)
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(gimp-image-undo-enable img)
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(list img drawable)))
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; Creates a complete mask image
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(define (create-mask final-width
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final-height
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ribbon-width
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ribbon-spacing
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r1-x1
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r1-y1
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r1-width
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r1-height
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r2-x1
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r2-y1
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r2-width
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r2-height
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r3-x1
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r3-y1
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r3-width
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r3-height)
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(let* ((tile (create-mask-tile ribbon-width ribbon-spacing
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r1-x1 r1-y1 r1-width r1-height
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r2-x1 r2-y1 r2-width r2-height
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r3-x1 r3-y1 r3-width r3-height))
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(tile-img (car tile))
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(tile-layer (cadr tile))
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(mask (plug-in-tile RUN-NONINTERACTIVE tile-img (vector tile-layer) final-width final-height
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TRUE)))
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(gimp-image-delete tile-img)
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mask))
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; Creates the mask for horizontal ribbons
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(define (create-horizontal-mask ribbon-width
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ribbon-spacing
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final-width
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final-height)
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(create-mask final-width
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final-height
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ribbon-width
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ribbon-spacing
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0
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ribbon-spacing
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(+ (* 2 ribbon-spacing) ribbon-width)
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ribbon-width
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0
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(+ (* 2 ribbon-spacing) ribbon-width)
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ribbon-spacing
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ribbon-width
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(+ ribbon-width ribbon-spacing)
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(+ (* 2 ribbon-spacing) ribbon-width)
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(+ ribbon-width ribbon-spacing)
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ribbon-width))
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; Creates the mask for vertical ribbons
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(define (create-vertical-mask ribbon-width
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ribbon-spacing
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final-width
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final-height)
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(create-mask final-width
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final-height
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ribbon-width
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ribbon-spacing
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(+ (* 2 ribbon-spacing) ribbon-width)
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0
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ribbon-width
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(+ (* 2 ribbon-spacing) ribbon-width)
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ribbon-spacing
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0
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ribbon-width
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ribbon-spacing
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ribbon-spacing
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(+ ribbon-width ribbon-spacing)
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ribbon-width
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(+ ribbon-width ribbon-spacing)))
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; Adds a threads layer at a certain orientation to the specified image
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(define (create-threads-layer img
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width
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height
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length
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density
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orientation)
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(let* ((drawable (car (gimp-layer-new img "Threads" width height RGBA-IMAGE
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100 LAYER-MODE-NORMAL)))
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(dense (/ density 100.0)))
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(gimp-image-insert-layer img drawable 0 -1)
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(gimp-context-set-background '(255 255 255))
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(gimp-drawable-edit-fill drawable FILL-BACKGROUND)
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(gimp-drawable-merge-new-filter drawable "gegl:noise-rgb" 0 LAYER-MODE-REPLACE 1.0
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"independent" FALSE "red" dense "alpha" dense
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"correlated" FALSE "seed" (msrg-rand) "linear" TRUE)
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(gimp-drawable-merge-new-filter drawable "gegl:stretch-contrast" 0 LAYER-MODE-REPLACE 1.0 "keep-colors" FALSE)
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(cond ((eq? orientation 'horizontal)
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(gimp-drawable-merge-new-filter drawable "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" (* 0.32 length) "std-dev-y" 0.0 "filter" "auto"))
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((eq? orientation 'vertical)
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(gimp-drawable-merge-new-filter drawable "gegl:gaussian-blur" 0 LAYER-MODE-REPLACE 1.0 "std-dev-x" 0.0 "std-dev-y" (* 0.32 length) "filter" "auto")))
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(gimp-drawable-merge-new-filter drawable "gegl:stretch-contrast" 0 LAYER-MODE-REPLACE 1.0 "keep-colors" FALSE)
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drawable))
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(define (create-complete-weave width
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height
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ribbon-width
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ribbon-spacing
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shadow-darkness
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shadow-depth
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thread-length
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thread-density
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thread-intensity)
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(let* ((weave (create-weave width height ribbon-width ribbon-spacing
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shadow-darkness shadow-depth))
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(w-img (car weave))
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(w-layer (cadr weave))
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(h-layer (create-threads-layer w-img width height thread-length
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thread-density 'horizontal))
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(h-mask (car (gimp-layer-create-mask h-layer ADD-MASK-WHITE)))
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(v-layer (create-threads-layer w-img width height thread-length
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thread-density 'vertical))
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(v-mask (car (gimp-layer-create-mask v-layer ADD-MASK-WHITE)))
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(hmask (create-horizontal-mask ribbon-width ribbon-spacing
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width height))
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(hm-img (car hmask))
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(hm-layer (cadr hmask))
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(vmask (create-vertical-mask ribbon-width ribbon-spacing width height))
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(vm-img (car vmask))
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(vm-layer (cadr vmask)))
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(gimp-layer-add-mask h-layer h-mask)
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(gimp-selection-all hm-img)
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(gimp-edit-copy (vector hm-layer))
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(gimp-image-delete hm-img)
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(let* (
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(pasted (car (gimp-edit-paste h-mask FALSE)))
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(num-pasted (vector-length pasted))
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(floating-sel (vector-ref pasted (- num-pasted 1)))
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)
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(gimp-floating-sel-anchor floating-sel)
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)
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(gimp-layer-set-opacity h-layer thread-intensity)
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(gimp-layer-set-mode h-layer LAYER-MODE-MULTIPLY)
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(gimp-layer-add-mask v-layer v-mask)
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(gimp-selection-all vm-img)
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(gimp-edit-copy (vector vm-layer))
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(gimp-image-delete vm-img)
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(let* (
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(pasted (car (gimp-edit-paste v-mask FALSE)))
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(num-pasted (vector-length pasted))
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(floating-sel (vector-ref pasted (- num-pasted 1)))
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)
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(gimp-floating-sel-anchor floating-sel)
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)
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(gimp-layer-set-opacity v-layer thread-intensity)
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(gimp-layer-set-mode v-layer LAYER-MODE-MULTIPLY)
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; Uncomment this if you want to keep the weaving mask image
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; (gimp-display-new (car (gimp-image-duplicate w-img)))
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(list w-img
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(car (gimp-image-flatten w-img)))))
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; The main weave function
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(define (script-fu-weave img
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drawables
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ribbon-width
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ribbon-spacing
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shadow-darkness
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shadow-depth
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thread-length
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thread-density
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thread-intensity)
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(gimp-context-push)
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(gimp-image-undo-group-start img)
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(let* (
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(drawable (vector-ref drawables 0))
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(d-img (car (gimp-item-get-image drawable)))
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(d-width (car (gimp-drawable-get-width drawable)))
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(d-height (car (gimp-drawable-get-height drawable)))
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(d-offsets (gimp-drawable-get-offsets drawable))
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(weaving (create-complete-weave d-width
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d-height
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ribbon-width
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ribbon-spacing
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shadow-darkness
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shadow-depth
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thread-length
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thread-density
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thread-intensity))
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(w-img (car weaving))
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(w-layer (cadr weaving))
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)
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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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(gimp-selection-all w-img)
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(gimp-edit-copy (vector w-layer))
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(gimp-image-delete w-img)
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(let* (
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(pasted (car (gimp-edit-paste drawable FALSE)))
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(num-pasted (vector-length pasted))
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(floating-sel (vector-ref pasted (- num-pasted 1)))
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)
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(gimp-layer-set-offsets floating-sel
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(car d-offsets)
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(cadr d-offsets))
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(gimp-layer-set-mode floating-sel LAYER-MODE-MULTIPLY)
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(gimp-floating-sel-to-layer floating-sel)
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)
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)
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(gimp-context-pop)
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(gimp-image-undo-group-end img)
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(gimp-displays-flush)
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)
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(script-fu-register-filter "script-fu-weave"
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_"_Weave..."
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_"Create a new layer filled with a weave effect to be used as an overlay or bump map"
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"Federico Mena Quintero"
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"Federico Mena Quintero"
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"June 1997"
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"RGB* GRAY*"
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SF-ONE-OR-MORE-DRAWABLE
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SF-ADJUSTMENT _"Ribbon width" '(30 0 256 1 10 1 1)
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SF-ADJUSTMENT _"Ribbon spacing" '(10 0 256 1 10 1 1)
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SF-ADJUSTMENT _"Shadow darkness" '(75 0 100 1 10 1 1)
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SF-ADJUSTMENT _"Shadow depth" '(75 0 100 1 10 1 1)
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SF-ADJUSTMENT _"Thread length" '(200 0 256 1 10 1 1)
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SF-ADJUSTMENT _"Thread density" '(50 0 100 1 10 1 1)
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SF-ADJUSTMENT _"Thread intensity" '(100 0 100 1 10 1 1)
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)
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(script-fu-menu-register "script-fu-weave"
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"<Image>/Filters/Artistic")
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