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Making Selections

rectangles + ellipses hand-drawn fuzzy select select by color paths and trickiness selection options

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when image is created for one color all but a selection layered opacity

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basic text tool freetype plugin
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Script-Fu -> Solarisation




This is an adjustable script that lets you change the threshold, and gives the toggle options to invert and/or value change. These are shown below in the table with their menu item as label.

Color-Solarisation Dialog




OriginalDefaultsThreshold 72
Threshold 200InvertValue Change



Download
210_color-invert_solarisation.scm




Installation Instructions: 

;  This script should be placed 
;  in the user or system-wide script folder.
;
;  Windows Vista/7/8/10)
;  C:\Program Files\GIMP 2\share\gimp\2.0\scripts
;  or
;  C:\Users\YOUR-NAME\.gimp-2.8\scripts
; 
;  Windows XP
;  C:\Program Files\GIMP 2\share\gimp\2.0\scripts
;  or
;  C:\Documents and Settings\yourname\.gimp-2.8\scripts   
; 
;  Linux
;  /home/yourname/.gimp-2.8/scripts  
; 
;  Linux system-wide
;  /usr/share/gimp/2.0/scripts
;