mirror of https://github.com/GNOME/gimp.git
168 lines
4.3 KiB
Scheme
168 lines
4.3 KiB
Scheme
;
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; fuzzy-border
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;
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; Do a cool fade to a given colour 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 2 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, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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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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(gimp-selection-all inImage)
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(set! theImage (if (= inCopy TRUE)
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(car (gimp-channel-ops-duplicate inImage))
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inImage)
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)
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(if (> (car (gimp-drawable-type inLayer))
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1
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)
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(gimp-convert-rgb theImage)
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)
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(set! theWidth (car (gimp-image-width inImage)))
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(set! theHeight (car (gimp-image-height inImage)))
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(set! theLayer (car (gimp-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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NORMAL
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) ) )
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(gimp-image-add-layer theImage theLayer 0)
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(gimp-edit-clear theLayer)
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(chris-color-edge theImage theLayer inColor inSize)
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(gimp-layer-scale theLayer
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(/ theWidth inGranu)
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(/ theHeight inGranu)
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TRUE
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)
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(plug-in-spread TRUE
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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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)
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(chris-color-edge theImage theLayer inColor 1)
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(gimp-layer-scale theLayer theWidth theHeight TRUE)
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(gimp-selection-layer-alpha theLayer)
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(gimp-selection-invert theImage)
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(gimp-edit-clear theLayer)
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(gimp-selection-invert theImage)
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(gimp-edit-clear theLayer)
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(gimp-palette-set-background inColor)
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(gimp-edit-fill theLayer)
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(gimp-selection-none inImage)
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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 TRUE theImage theLayer inSize TRUE TRUE)
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()
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)
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(if (= inShadow FALSE)
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()
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(begin
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(gimp-selection-none inImage)
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(gimp-image-add-layer theImage
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(car (gimp-layer-copy theLayer
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FALSE
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))
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0
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)
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(gimp-layer-scale theLayer (- theWidth inSize) (- theHeight inSize) TRUE)
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(gimp-desaturate theLayer)
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(gimp-brightness-contrast theLayer 127 127)
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(gimp-invert theLayer)
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(gimp-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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)
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(plug-in-gauss-rle TRUE
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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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)
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(gimp-layer-set-opacity theLayer inShadWeight)
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)
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)
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(if (= inFlatten TRUE)
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(gimp-image-flatten theImage)
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()
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)
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(if (= inCopy TRUE)
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(begin (gimp-image-clean-all theImage)
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(gimp-display-new theImage)
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)
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()
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)
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(gimp-displays-flush)
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)
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(define (chris-color-edge inImage inLayer inColor inSize)
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(gimp-selection-all inImage)
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(gimp-selection-shrink inImage inSize)
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(gimp-selection-invert inImage)
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(gimp-palette-set-background inColor)
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(gimp-edit-fill theLayer)
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(gimp-selection-none inImage)
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)
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; Register the function with the GIMP:
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(script-fu-register
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"script-fu-fuzzy-border"
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"<Image>/Script-Fu/Decor/Fuzzy Border"
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"foo"
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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 RGBA GRAY GRAYA"
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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" '(255 255 255)
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SF-VALUE "Border Size" "16"
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SF-TOGGLE "Blur Border?" TRUE
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SF-VALUE "Granularity (1 is low)" "4"
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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 Layers?" TRUE
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)
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