169 lines
5.7 KiB
Scheme
169 lines
5.7 KiB
Scheme
;
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; fuzzy-border
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;
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; Do a cool fade to a given color at the border of an image (optional shadow)
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; Will make image RGB if it isn't already.
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;
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; Chris Gutteridge (cjg@ecs.soton.ac.uk)
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; At ECS Dept, University of Southampton, England.
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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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; Define the function:
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(define (script-fu-fuzzy-border inImage
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inLayer
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inColor
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inSize
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inBlur
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inGranu
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inShadow
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inShadWeight
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inCopy
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inFlatten
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)
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(define (chris-color-edge inImage inLayer inColor inSize)
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(pika-selection-all inImage)
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(pika-selection-shrink inImage inSize)
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(pika-selection-invert inImage)
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(pika-context-set-background inColor)
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(pika-drawable-edit-fill inLayer FILL-BACKGROUND)
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(pika-selection-none inImage)
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)
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(let (
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(theWidth (car (pika-image-get-width inImage)))
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(theHeight (car (pika-image-get-height inImage)))
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(theImage (if (= inCopy TRUE) (car (pika-image-duplicate inImage))
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inImage))
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(theLayer 0)
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)
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(pika-context-push)
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(pika-context-set-defaults)
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(if (= inCopy TRUE)
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(pika-image-undo-disable theImage)
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(pika-image-undo-group-start theImage)
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)
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(pika-selection-all theImage)
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(if (> (car (pika-drawable-type inLayer)) 1)
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(pika-image-convert-rgb theImage)
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)
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(set! theLayer (car (pika-layer-new theImage
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theWidth
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theHeight
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RGBA-IMAGE
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"layer 1"
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100
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LAYER-MODE-NORMAL)))
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(pika-image-insert-layer theImage theLayer 0 0)
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(pika-drawable-edit-clear theLayer)
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(chris-color-edge theImage theLayer inColor inSize)
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(pika-layer-scale theLayer
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(/ theWidth inGranu)
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(/ theHeight inGranu)
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TRUE)
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(plug-in-spread RUN-NONINTERACTIVE
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theImage
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theLayer
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(/ inSize inGranu)
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(/ inSize inGranu))
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(chris-color-edge theImage theLayer inColor 1)
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(pika-layer-scale theLayer theWidth theHeight TRUE)
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(pika-image-select-item theImage CHANNEL-OP-REPLACE theLayer)
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(pika-selection-invert theImage)
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(pika-drawable-edit-clear theLayer)
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(pika-selection-invert theImage)
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(pika-drawable-edit-clear theLayer)
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(pika-context-set-background inColor)
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(pika-drawable-edit-fill theLayer FILL-BACKGROUND)
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(pika-selection-none theImage)
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(chris-color-edge theImage theLayer inColor 1)
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(if (= inBlur TRUE)
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(plug-in-gauss-rle RUN-NONINTERACTIVE
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theImage theLayer inSize TRUE TRUE)
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)
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(if (= inShadow TRUE)
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(begin
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(pika-image-insert-layer theImage
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(car (pika-layer-copy theLayer FALSE)) 0 -1)
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(pika-layer-scale theLayer
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(- theWidth inSize) (- theHeight inSize) TRUE)
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(pika-drawable-desaturate theLayer DESATURATE-LIGHTNESS)
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(pika-drawable-brightness-contrast theLayer 0.5 0.5)
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(pika-drawable-invert theLayer FALSE)
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(pika-layer-resize theLayer
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theWidth
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theHeight
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(/ inSize 2)
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(/ inSize 2))
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(plug-in-gauss-rle RUN-NONINTERACTIVE
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theImage
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theLayer
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(/ inSize 2)
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TRUE
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TRUE)
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(pika-layer-set-opacity theLayer inShadWeight)
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)
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)
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(if (= inFlatten TRUE)
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(pika-image-flatten theImage)
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)
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(if (= inCopy TRUE)
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(begin (pika-image-clean-all theImage)
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(pika-display-new theImage)
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(pika-image-undo-enable theImage)
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)
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(pika-image-undo-group-end theImage)
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)
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(pika-displays-flush)
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(pika-context-pop)
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)
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)
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(script-fu-register "script-fu-fuzzy-border"
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_"_Fuzzy Border..."
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_"Add a jagged, fuzzy border to an image"
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"Chris Gutteridge"
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"1998, Chris Gutteridge / ECS dept, University of Southampton, England."
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"3rd April 1998"
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"RGB* GRAY*"
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SF-IMAGE "The image" 0
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SF-DRAWABLE "The layer" 0
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SF-COLOR _"Color" "white"
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SF-ADJUSTMENT _"Border size" '(16 1 300 1 10 0 1)
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SF-TOGGLE _"Blur border" TRUE
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SF-ADJUSTMENT _"Granularity (1 is Low)" '(4 1 16 0.25 5 2 0)
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SF-TOGGLE _"Add shadow" FALSE
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SF-ADJUSTMENT _"Shadow weight (%)" '(100 0 100 1 10 0 0)
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SF-TOGGLE _"Work on copy" TRUE
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SF-TOGGLE _"Flatten image" TRUE
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)
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(script-fu-menu-register "script-fu-fuzzy-border"
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"<Image>/Filters/Decor")
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