gimp/plug-ins/script-fu/scripts/guides-from-selection.scm

45 lines
1.2 KiB
Scheme

;; -*-scheme-*-
(define (script-fu-guides-from-selection image
drawable)
(let* (
(boundries (gimp-selection-bounds image))
;; non-empty INT32 TRUE if there is a selection
(selection (car boundries))
(x1 (cadr boundries))
(y1 (caddr boundries))
(x2 (cadr (cddr boundries)))
(y2 (caddr (cddr boundries)))
)
;; need to check for a selection or we get guides right at edges of the image
(if (= selection TRUE)
(begin
(gimp-image-undo-group-start image)
(gimp-image-add-vguide image x1)
(gimp-image-add-hguide image y1)
(gimp-image-add-vguide image x2)
(gimp-image-add-hguide image y2)
(gimp-image-undo-group-end image)
(gimp-displays-flush)
)
)
)
)
(script-fu-register "script-fu-guides-from-selection"
_"New Guides from _Selection"
_"Draw a grid as specified by the lists of X and Y locations using the current brush"
"Alan Horkan"
"Alan Horkan, 2004. Public Domain."
"2004-08-13"
""
SF-IMAGE "Image" 0
SF-DRAWABLE "Drawable" 0
)
(script-fu-menu-register "script-fu-guides-from-selection"
"<Image>/Image/Guides")