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Diffstat (limited to '')
| -rw-r--r-- | plug-ins/script-fu/scripts/lava.scm | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/plug-ins/script-fu/scripts/lava.scm b/plug-ins/script-fu/scripts/lava.scm new file mode 100644 index 0000000..8adec0d --- /dev/null +++ b/plug-ins/script-fu/scripts/lava.scm @@ -0,0 +1,135 @@ +; GIMP - The GNU Image Manipulation Program +; Copyright (C) 1995 Spencer Kimball and Peter Mattis +; +; Lava effect +; Copyright (c) 1997 Adrian Likins +; aklikins@eos.ncsu.edu +; +; based on a idea by Sven Riedel <lynx@heim8.tu-clausthal.de> +; tweaked a bit by Sven Neumann <neumanns@uni-duesseldorf.de> +; +; 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 3 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, see <https://www.gnu.org/licenses/>. + + +(define (script-fu-lava image + drawable + seed + tile_size + mask_size + gradient + keep-selection + separate-layer + current-grad) + (let* ( + (type (car (gimp-drawable-type-with-alpha drawable))) + (image-width (car (gimp-image-width image))) + (image-height (car (gimp-image-height image))) + (active-selection 0) + (selection-bounds 0) + (select-offset-x 0) + (select-offset-y 0) + (select-width 0) + (select-height 0) + (lava-layer 0) + (active-layer 0) + ) + + (gimp-context-push) + (gimp-context-set-defaults) + (gimp-image-undo-group-start image) + + (if (= (car (gimp-drawable-has-alpha drawable)) FALSE) + (gimp-layer-add-alpha drawable) + ) + + (if (= (car (gimp-selection-is-empty image)) TRUE) + (gimp-image-select-item image CHANNEL-OP-REPLACE drawable) + ) + + (set! active-selection (car (gimp-selection-save image))) + (gimp-image-set-active-layer image drawable) + + (set! selection-bounds (gimp-selection-bounds image)) + (set! select-offset-x (cadr selection-bounds)) + (set! select-offset-y (caddr selection-bounds)) + (set! select-width (- (cadr (cddr selection-bounds)) select-offset-x)) + (set! select-height (- (caddr (cddr selection-bounds)) select-offset-y)) + + (if (= separate-layer TRUE) + (begin + (set! lava-layer (car (gimp-layer-new image + select-width + select-height + type + "Lava Layer" + 100 + LAYER-MODE-NORMAL-LEGACY))) + + (gimp-image-insert-layer image lava-layer 0 -1) + (gimp-layer-set-offsets lava-layer select-offset-x select-offset-y) + (gimp-selection-none image) + (gimp-drawable-edit-clear lava-layer) + + (gimp-image-select-item image CHANNEL-OP-REPLACE drawable) + (gimp-image-set-active-layer image lava-layer) + ) + ) + + (set! active-layer (car (gimp-image-get-active-layer image))) + + (if (= current-grad FALSE) + (gimp-context-set-gradient gradient) + ) + + (plug-in-solid-noise RUN-NONINTERACTIVE image active-layer FALSE TRUE seed 2 2 2) + (plug-in-cubism RUN-NONINTERACTIVE image active-layer tile_size 2.5 0) + (plug-in-oilify RUN-NONINTERACTIVE image active-layer mask_size 0) + (plug-in-edge RUN-NONINTERACTIVE image active-layer 2 0 0) + (plug-in-gauss-rle RUN-NONINTERACTIVE image active-layer 2 TRUE TRUE) + (plug-in-gradmap RUN-NONINTERACTIVE image active-layer) + + (if (= keep-selection FALSE) + (gimp-selection-none image) + ) + + (gimp-image-set-active-layer image drawable) + (gimp-image-remove-channel image active-selection) + + (gimp-image-undo-group-end image) + (gimp-context-pop) + + (gimp-displays-flush) + ) +) + +(script-fu-register "script-fu-lava" + _"_Lava..." + _"Fill the current selection with lava" + "Adrian Likins <adrian@gimp.org>" + "Adrian Likins" + "10/12/97" + "RGB* GRAY*" + SF-IMAGE "Image" 0 + SF-DRAWABLE "Drawable" 0 + SF-ADJUSTMENT _"Seed" '(10 1 30000 1 10 0 1) + SF-ADJUSTMENT _"Size" '(10 0 100 1 10 0 1) + SF-ADJUSTMENT _"Roughness" '(7 3 50 1 10 0 0) + SF-GRADIENT _"Gradient" "German flag smooth" + SF-TOGGLE _"Keep selection" TRUE + SF-TOGGLE _"Separate layer" TRUE + SF-TOGGLE _"Use current gradient" FALSE +) + +(script-fu-menu-register "script-fu-lava" + "<Image>/Filters/Render") |