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;
; Smart Seperate Sharpening, V2.8
;
; Martin Egger (martin.egger@gmx.net), Michael Kolodny (m_kolodny@phreego.com) added 'Texture Sharpening'
; and included 'Seperate Sharpen'
; (C) 2012, Bern, Switzerland
;
; You can find more about Smart Sharpening at
; http://www.gimpguru.org/Tutorials/SmartSharpening2/
;
; This script was tested with Gimp 2.8
;
; New versions will be distributed from http://registry.gimp.org/ only
;
; 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 <http://www.gnu.org/licenses>.
;
; Define the function
;
(define (script-fu-Eg-SmartSeparateSharpen 
			 InImage 
			 InLayer 
			 TInAmount
			 TInLightOpacity 
			 TInDarkOpacity 
			 EInAmount
			 EInLightOpacity 
			 EInDarkOpacity 
			 TInRadius 
			 TInThreshold 
			 EInRadius 
			 EInThreshold 
			 InEdge 
			 InBlur 
			 InFlatten)
;
; Save history			
;
	(gimp-image-undo-group-start InImage)
	(if (= (car (gimp-drawable-is-rgb InLayer)) FALSE ) (gimp-image-convert-rgb InImage))
;
	(let*	(
		(MaskImage (car (gimp-image-duplicate InImage)))
		(MaskLayer (cadr (gimp-image-get-layers MaskImage)))
;
		(OrigLayer (cadr (gimp-image-get-layers InImage)))
;
		(EdgeSharpenLayer (car (gimp-layer-copy InLayer TRUE)))
		(TextureSharpenLayer (car (gimp-layer-copy InLayer TRUE)))
		)
;
		(gimp-image-insert-layer InImage EdgeSharpenLayer 0 -1)
		(gimp-image-insert-layer InImage TextureSharpenLayer 0 -1)
;
;
; Find edges, Warpmode = Smear (1), Edgemode = Sobel (0)
;
		(plug-in-edge TRUE MaskImage (aref MaskLayer 0) InEdge 1 0)
		(gimp-levels-stretch (aref MaskLayer 0))
		(gimp-image-convert-grayscale MaskImage)
		(plug-in-gauss TRUE MaskImage (aref MaskLayer 0) InBlur InBlur TRUE)
;
		(let*	(
			(EdgeSharpenLayerMask (car (gimp-layer-create-mask EdgeSharpenLayer ADD-WHITE-MASK)))
			(TextureSharpenLayerMask (car (gimp-layer-create-mask TextureSharpenLayer ADD-WHITE-MASK)))
			)
			(gimp-layer-add-mask EdgeSharpenLayer EdgeSharpenLayerMask)
;
			(gimp-selection-all MaskImage)
			(gimp-edit-copy (aref MaskLayer 0))
			(gimp-floating-sel-anchor (car (gimp-edit-paste EdgeSharpenLayerMask FALSE)))
;
			(script-fu-Eg-SharpenLightAndDark InImage EdgeSharpenLayer EInRadius EInAmount EInLightOpacity EInDarkOpacity EInThreshold InFlatten "Edge")
;; do texture sharpening with an inverted edge mask
			(gimp-image-convert-rgb MaskImage)
			(plug-in-vinvert TRUE MaskImage (aref MaskLayer 0))
			(gimp-edit-copy (aref MaskLayer 0))
;
			(gimp-layer-add-mask TextureSharpenLayer TextureSharpenLayerMask)
			(gimp-floating-sel-anchor (car (gimp-edit-paste TextureSharpenLayerMask FALSE)))
			(gimp-image-delete MaskImage)
;
			(script-fu-Eg-SharpenLightAndDark InImage TextureSharpenLayer TInRadius TInAmount TInLightOpacity TInDarkOpacity TInThreshold InFlatten "Texture")
		)
;
		(cond
			((= InFlatten FALSE)
				(begin
					(gimp-layer-set-edit-mask EdgeSharpenLayer FALSE)
					(gimp-layer-set-edit-mask TextureSharpenLayer FALSE)
					(gimp-image-set-active-layer InImage InLayer)
				)
			)
		)
	)
;
; Finish work
;
	(gimp-image-undo-group-end InImage)
	(gimp-displays-flush)
;
)
;
(define (script-fu-Eg-SharpenLightAndDark InImage InSharpenDarkLayer InRadius InAmount InLightOpacity InDarkOpacity InThreshold InFlatten InLabel)
;
   		(gimp-layer-set-mode InSharpenDarkLayer DARKEN-ONLY-MODE)
   		(gimp-layer-set-opacity InSharpenDarkLayer  InDarkOpacity)
			(plug-in-unsharp-mask TRUE InImage InSharpenDarkLayer InRadius InAmount InThreshold)
;
		(let*	(
		(SharpenLightLayer (car (gimp-layer-copy InSharpenDarkLayer TRUE)))
		
			)
			(gimp-image-insert-layer InImage SharpenLightLayer 0 -1)
			(gimp-layer-set-mode SharpenLightLayer LIGHTEN-ONLY-MODE)
			(gimp-layer-set-opacity SharpenLightLayer InLightOpacity)
;
; Flatten the image, if we need to
;
			(cond
				((= InFlatten TRUE)
					(begin
						(let*	(
							(InSharpenDarkLayer (car (gimp-image-merge-down InImage InSharpenDarkLayer CLIP-TO-IMAGE)))
							)
							(gimp-image-merge-down InImage SharpenLightLayer CLIP-TO-IMAGE)
						)
					)
				)
				((= InFlatten FALSE)
					(begin
						(gimp-item-set-name SharpenLightLayer "Sharpened Lighten")
						(gimp-item-set-name InSharpenDarkLayer "Sharpened Darken")
						(gimp-image-set-active-layer InImage InSharpenDarkLayer)
					)
				)
			)
		)
)
;
(script-fu-register 
	"script-fu-Eg-SmartSeparateSharpen"
	_"_Sharpen (Smart Separate Redux)"
	"Smart Sharpening, Redux version"
	"Martin Egger (martin.egger@gmx.net) and Michael Kolodny (m_kolodny@phreego.com)"
	"Martin Egger, Bern, Switzerland"
	"28.02.2012"
	"RGB* GRAY*"
	SF-IMAGE	"The Image"		0
	SF-DRAWABLE	"The Layer"		0
	SF-ADJUSTMENT	"Texture Sharpen USM: Amount"		'(1 0.0 10.0 0.5 0 2 0)
	SF-ADJUSTMENT	"Texture Sharpen Lighten USM: Opacity"		'(50 0.0 100 0.5 0 2 0)
	SF-ADJUSTMENT	"Texture Sharpen Darken USM: Opacity"		'(100 0.0 100 0.5 0 2 0)
	SF-ADJUSTMENT	"Edge Sharpen USM: Amount"		'(1.0 0.0 5.0 0.5 0 2 0)
	SF-ADJUSTMENT	"Edge Sharpen Lighten USM: Opacity"		'(50 0.0 100 0.5 0 2 0)
	SF-ADJUSTMENT	"Edge Sharpen Darken USM: Opacity"		'(100 0.0 100 0.5 0 2 0)
	SF-ADJUSTMENT	"Texture Sharpen USM: Radius"		'(0.3 0.0 120.0 1 0 2 0)
	SF-ADJUSTMENT	"Texture Sharpen USM: Threshold"		'(0.0 0.0 255.0 1.0 0 2 0)
	SF-ADJUSTMENT	"Edge Sharpen USM: Radius"		'(0.3 0.0 50.0 1 0 2 0)
	SF-ADJUSTMENT	"Edge Sharpen USM: Threshold"		'(0.0 0.0 50.0 1.0 0 2 0)
	SF-ADJUSTMENT	"Edges: Detect Amount"	'(6.0 1.0 10.0 1.0 0 2 0)
	SF-ADJUSTMENT	"Edges: Blur Pixels"	'(6.0 1.0 10.0 1.0 0 2 0)
	SF-TOGGLE	"Flatten Image"		FALSE
)
;
(script-fu-menu-register "script-fu-Eg-SmartSeparateSharpen"
			 "<Image>/Filters/Eg")
;