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3d-extrusion299b.scm
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; Fix code for gimp 2.99.6 working in 2.10
(cond ((not (defined? 'gimp-drawable-get-width)) (define gimp-drawable-get-width gimp-drawable-width)))
(cond ((not (defined? 'gimp-drawable-get-height)) (define gimp-drawable-get-height gimp-drawable-height)))
; 3D Extrusion - Release V2.4
;
; This script extrudes the image or selection in a given layer
; Supports bump mapping & extrusion via 2D drawable transform
; Option To Invert Bump Map
; Option To Create Pattern Overlay & Extrude With A Pattern
; Directional, Shrink & Zoom Extrusion Options
; Option To Merge Extrusion
; Layer Group Support In GIMP 2.8.x
; Backward Compatible With GIMP 2.6.x
; (Procedures Deprecated) GIMP 2.10.x
;
;
; Created by GnuTux
;
; Comments directed to http://gimpchat.com or http://gimpscripts.com
;
; License: GPLv3
; 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.
;
; To view a copy of the GNU General Public License
; visit: http://www.gnu.org/licenses/gpl.html
;
; ------------
;| Change Log |
; ------------
;
;V1.0 - Modified, Translated & Documented Old Make 3D Script by Frans Rijven
; Fix Image Types & Redo/Undo options
; Improved User Interface
; Add Bump Map Type Option
;V2.0 - Abandon Old Make 3D Script And Perform A Complete Rewrite
; Properly Support All Bump Mapping Options
; Option To Create Pattern Overlay
; Option For Directional Extrusions
; Option To Merge Extrusion Layer
;V2.1 - Simplify Merge Options
; Add Zoom & Shrink Extrusions
;V2.2 - Option To Grow Along The X-Axis
;V2.3 - Option To Extrude With Selected Pattern
; Improve Overlay Code
; Add Layer Group Support While Maintaining Backward Compatibilty With GIMP 2.6.x
; Ensure Correct Relative Layer Positions of All Newly Added layers In Stack
;V2.4 - For GIMP 2.10.x (Procedures Deprecated)
; (gimp-layer-set-mode)
;V2.5 - Fix for GIMP 2.99.6
;
; Define 3D Extrude Aplha
;
(define (script-fu-3d-extrude299 img
drawable
ext-type
ext-depth
ext-direction
bump-azimuth
bump-elevation
bump-depth
bump-ambient
bump-type
bump-invert
keep-layers
overlay-with-pattern
extrude-with-pattern
extrusion-pattern
)
;
(let* (
(in-layer -1) ; Incoming layer
(in-pos 0) ; Position of incoming layer in layer stack
(extrusion-layer -1) ; Extrusion layer
(pattern-overlay -1) ; Extrusion Pattern Overlay
(temp-layer -1) ; Temp Layer Used To Create Pattern Overlay
(saved-selection -1) ; Saved Selection
(invert-bump FALSE) ; Inverted Bump Map
(image-height 0) ; Image Height
(image-width 0) ; Image Width
(extrusion-counter ext-depth) ; Number of layers to extrude
(layer-width -1) ; Incoming layer width
(layer-height -1) ; Incoming layer height
(hpos 0) ; Extrusion Horizontal Position
(vpos 0) ; Extrusion Verical Position
(zoom-counter 0) ; Point Zoom Counter
)
;
; Save current values
;
(gimp-context-push) ; Push context onto stack
(gimp-image-undo-group-start img) ; Begin undo group
;
; Define GIMP 2.8.x Layer Group Procedures That Do Not Exists In GIMP 2.6.x
; This allows Layer Group Support in GIMP 2.8.x while maintaining backward compatibility with GIMP 2.6.x
;
(if (not (defined? 'gimp-image-get-item-position)) ; Check for get-item-posiiton
(begin
(define (gimp-image-get-item-position image layer) ; Define it, if it doesn't exist
(gimp-image-get-layer-position image layer) ; Call get-layer-postion for GIMP 2.6.x
)
)
);endif
(if (not (defined? 'gimp-image-insert-layer)) ; Check for image-insert-layer
(begin
(define (gimp-image-insert-layer image layer ignored pos) ; Define it, if it doesn't exist
(gimp-image-add-layer image layer pos) ; Call image-add-layer for GIMP 2.6.x
)
)
);endif
(if (not (defined? 'gimp-item-get-linked)) ; Check for item-get-linked
(begin
(define (gimp-item-get-linked layer) ; Define it, if it doesn't exist
(gimp-layer-get-linked layer) ; Call layer-get-linked for GIMP 2.6.x
)
)
);endif
(if (not (defined? 'gimp-item-get-parent)) ; Check for item-get-parent
(begin
(define (gimp-item-get-parent layer) ; Define it, if it doesn't exist
(cons #f #f) ; Return a pair
)
)
);endif
;
; Position of incoming drawable in layer stack
;
(set! in-pos (car (gimp-image-get-item-position img drawable)))
;
; Overlay Incoming Layer/Selection With Extrusion Pattern Using Multiplay Mode (To Enable Extrusion With A Pattern)
;
(if (= extrude-with-pattern TRUE) ; Extrude With Pattern?
(begin
(set! saved-selection (car (gimp-selection-save img))) ; Save selection
(gimp-selection-none img) ; Clear selection
(set! pattern-overlay (car (gimp-layer-copy drawable TRUE))) ; Copy incoming drawable Pattern Overlay
(gimp-image-insert-layer img pattern-overlay (car (gimp-item-get-parent drawable)) in-pos) ; Add layer at new position
;(gimp-image-set-active-layer img pattern-overlay) ; Make pattern overlay layer actve
(gimp-drawable-edit-clear pattern-overlay) ; Clear Layer
(gimp-context-set-pattern extrusion-pattern) ; Make overlay pattern active
(gimp-drawable-fill pattern-overlay FILL-PATTERN) ; Fill with pattern
(gimp-layer-set-mode pattern-overlay LAYER-MODE-MULTIPLY) ; Set overlay pattern to Multiply Mode
(gimp-drawable-brightness-contrast drawable -0.5 -0.5) ; Make drawable white So Multiply acts like Fill
(set! drawable (car (gimp-image-merge-down img pattern-overlay 0))) ; Merge pattern down
(gimp-image-select-item img 2 saved-selection) ; Restore Selection
(gimp-image-remove-channel img saved-selection) ; Remove Selection Mask
)
) ; End Pattern Extrusion
;
; Selection Check
;
(gimp-layer-resize-to-image-size drawable)
(if (= (car (gimp-selection-is-empty img)) TRUE) ; Check for a selection
(begin
;(gimp-selection-layer-alpha drawable) ; Alpha to Selection (if needed)
(gimp-image-select-item img 2 drawable)
)
) ; endif
;
; Create layer to hold incomimng drawable
;
(set! in-layer (car (gimp-layer-new-from-drawable drawable img))) ; New Layer
(gimp-image-insert-layer img in-layer (car (gimp-item-get-parent drawable)) (+ in-pos 1)) ; Add it
;(gimp-image-set-active-layer img in-layer) ; Make it active
(gimp-selection-invert img) ; Invert
(gimp-drawable-edit-clear in-layer) ; Clear away eveything outside selection
(gimp-selection-invert img) ; Invert
(gimp-layer-resize-to-image-size in-layer) ; RESIZE LEVEL AUTOMATICALLY FOR NEWBIES
(gimp-item-set-name in-layer "Incoming Layer") ; Name layer
;
;
; Calculate Extrusion Direction (Degrees to 2D Vector Normal)
;
(set! hpos (round (cos (* ext-direction (/ 3.14 180)))))
(set! vpos (round (sin (* ext-direction (/ 3.14 180)))))
;
;
; Extrude the copy of the incoming drawable
;
(gimp-selection-none img) ; Clear selection
;(gimp-image-set-active-layer img in-layer) ; Make incoming layer active
;
; Bump the incoming layer for extrusion
;
(plug-in-bump-map
1 ; Interactive (0), non-interactive (1)
img ; Input image
in-layer ; Input drawable (incoming layer)
in-layer ; Bumpmap drawable (incoming layer)
bump-azimuth ; Azimuth (float)
bump-elevation ; Elevation (float)
bump-depth ; Depth
0 ; X offset
0 ; Y offset
0 ; Level that full transparency should represent
bump-ambient ; Ambient lighting factor
TRUE ; Compensate for darkening
bump-invert ; Invert bumpmap toggle
bump-type) ; Type of map (0=linear, 1=spherical, 2=sinusoidal)
;
; Extrusion The Layer or Selection
;
(set! layer-width (car (gimp-drawable-get-width in-layer))) ; Layer width
(set! layer-height (car (gimp-drawable-get-height in-layer))) ; Layer height
(while (> extrusion-counter 0) ; Begin Extrusion Loop
(let*
(
(working-layer (car (gimp-layer-copy in-layer TRUE ))) ; Copy fill to working layer
(drwpos (car (gimp-image-get-item-position img in-layer))) ; Get position
(new-pos (+ drwpos 1)) ; Layer stack position
)
(gimp-image-insert-layer img working-layer (car (gimp-item-get-parent drawable)) new-pos) ; Add layer at new position
(set! zoom-counter (+ zoom-counter 1)) ; Increment zoom counter
(if (= ext-type 0) ; Directional
(begin
; (gimp-drawable-transform-2d-default working-layer 0 0 1 1 0 hpos vpos TRUE 0)
(gimp-item-transform-2d working-layer 0 0 1 1 0 hpos vpos)
)
)
(if (= ext-type 1) ; Shrink
(begin
(gimp-layer-scale working-layer (- layer-width zoom-counter) (- layer-height zoom-counter) TRUE)
)
)
(if (= ext-type 2) ; Grow
(begin
;(gimp-drawable-transform-scale working-layer (* -1 zoom-counter) (* -1 zoom-counter) (+ layer-width zoom-counter) (+ layer-height zoom-counter) 0 2 TRUE 3 0)
(gimp-item-transform-scale working-layer (* -1 zoom-counter) (* -1 zoom-counter) (+ layer-width zoom-counter) (+ layer-height zoom-counter))
)
)
(if (= ext-type 3) ; Grow Along X-Axis Only
(begin
; (gimp-drawable-transform-scale working-layer (* -1 zoom-counter) (* -1 0) (+ layer-width zoom-counter) (+ layer-height 0) 0 2 TRUE 3 0)
(gimp-item-transform-scale working-layer (* -1 zoom-counter) (* -1 0) (+ layer-width zoom-counter) (+ layer-height 0))
)
)
(set! in-layer (car (gimp-image-merge-down img in-layer 0))) ; Merge extrusion
(set! extrusion-counter (- extrusion-counter 1)) ; Decrement loop counter
) ;End Let
) ; End While
;
; Name Extrusion Layer
;
(if (= extrude-with-pattern TRUE) ; Extrude With pattern?
; True
(gimp-item-set-name in-layer "Pattern Extrusion") ; Name The Pattern Extrusion Layer
; Else
(gimp-item-set-name in-layer "Extrusion") ; Name The Standard Extrusion Layer
)
;
; Pattern Overlay
;
(if (= overlay-with-pattern TRUE) ; Overlay check
(begin
(set! saved-selection (car (gimp-selection-save img))) ; Save selection
(gimp-selection-none img) ; Clear selection
(set! pattern-overlay (car (gimp-layer-copy in-layer TRUE))) ; Copy Extrusion layer to Pattern Overlay
(set! temp-layer (car (gimp-layer-copy in-layer TRUE))) ; Copy Extrusion layer to temp layer
(gimp-image-insert-layer img pattern-overlay (car (gimp-item-get-parent drawable))in-pos) ; Add layer at new position
(gimp-image-insert-layer img temp-layer (car (gimp-item-get-parent drawable)) in-pos) ; Add layer at new position
;(gimp-image-set-active-layer img temp-layer) ; Make temp layer actve
(gimp-drawable-edit-clear temp-layer) ; Clear temp Layer
(gimp-context-set-pattern extrusion-pattern) ; Make overlay pattern active
(gimp-drawable-fill temp-layer FILL-PATTERN) ; Fill temp layer with pattern
(gimp-layer-set-mode temp-layer LAYER-MODE-MULTIPLY) ; Set temp layer to Multiply Mode
(gimp-drawable-brightness-contrast pattern-overlay -0.5 -0.5) ; Make Pattern Overlay white So Multiply acts like Fill
(set! pattern-overlay (car (gimp-image-merge-down img temp-layer 0))) ; Merge temp layer down
(gimp-layer-set-mode pattern-overlay LAYER-MODE-OVERLAY) ; Set overlay pattern to Overlay-Mode
(gimp-image-select-item img 2 saved-selection) ; Restore Selection
(gimp-image-remove-channel img saved-selection) ; Remove Selection Mask
(gimp-item-set-name pattern-overlay "Pattern Overlay") ; Name the Extrusion Pattern Overlay
)
) ; End Pattern Overlay
;
; Merge Extrusion
;
(if (= keep-layers TRUE) ; Merge check
(begin
(gimp-image-merge-down img drawable 0) ; Merge it
)
)
;
; Clean up
;
(gimp-image-undo-group-end img) ; End undo group
(gimp-context-pop) ; Pop context off stack
(gimp-displays-flush) ; Flush changes to display
;
;
); endlet
) ; return (from script-fu-3d-extrude299)
;
; Register Script-Fu 3D Extrude
;
(script-fu-register
"script-fu-3d-extrude299"
"3D Extrusion 299b"
"3D Extrusion Of Image or Selection"
"GnuTux"
"GPLv3"
"2014 "
"RGB*"
SF-IMAGE "Image" -1
SF-DRAWABLE "Drawable" -1
SF-OPTION _"Extrusion Type" '("Directional" "Shrink" "Grow" "Grow Along X-Axis")
SF-ADJUSTMENT _"Extrusion Depth" '(10 1 200 .1 1 2 0)
SF-ADJUSTMENT _"Extrusion Direction" '(135 0 360 45 45 0 1)
SF-ADJUSTMENT _"Bump Azimuth" '(125 0 360 1 10 2 0)
SF-ADJUSTMENT _"Bump Elevation" '(45 .5 90 .1 1 2 0)
SF-ADJUSTMENT _"Bump Depth" '(1 1 65 1 5 0 0)
SF-ADJUSTMENT _"Bump Ambient Light" '(.3 0 1 .01 .45 2 0)
SF-OPTION _"Bump Curve" '("Linear" "Spherical" "Sinusoidal")
SF-TOGGLE _"Invert Bump" FALSE
SF-TOGGLE _"Merge Extrusion" FALSE
SF-TOGGLE _"Overlay With Pattern" FALSE
SF-TOGGLE _"Extrude With Pattern" FALSE
SF-PATTERN _"Extrusion Pattern" "Dried mud"
)
(script-fu-menu-register
"script-fu-3d-extrude299"
"<Image>/Filters/Render")