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(define (script-fu-erase-rows img drawable orientation which type)
(let* ((width (car (gimp-drawable-width drawable)))
(height (car (gimp-drawable-height drawable)))
(position-x (car (gimp-drawable-offsets drawable)))
(position-y (cadr (gimp-drawable-offsets drawable))))
(gimp-image-undo-group-start img)
(letrec ((loop (lambda (i max)
(if (< i max)
(begin
(if (= orientation 0)
(gimp-rect-select img position-x (+ i position-y) width 1 CHANNEL-OP-REPLACE FALSE 0)
(gimp-rect-select img (+ i position-x) position-y 1 height CHANNEL-OP-REPLACE FALSE 0))
(if (= type 0)
(gimp-edit-clear drawable)
(gimp-edit-fill drawable BACKGROUND-FILL))
(loop (+ i 2) max))))))
(loop (if (= which 0)
0
1)
(if (= orientation 0)
height
width)))
(gimp-selection-none img)
(gimp-image-undo-group-end img)
(gimp-displays-flush)))
(script-fu-register "script-fu-erase-rows"
_"_Erase every other Row..."
"Erase every other row/column with the background color"
"Federico Mena Quintero"
"Federico Mena Quintero"
"June 1997"
"RGB* GRAY* INDEXED*"
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
SF-OPTION _"Rows/cols" '(_"Rows" _"Columns")
SF-OPTION _"Even/odd" '(_"Even" _"Odd")
SF-OPTION _"Erase/fill" '(_"Erase" _"Fill with BG"))
(script-fu-menu-register "script-fu-erase-rows"
_"<Image>/Script-Fu/Alchemy")
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