diff options
Diffstat (limited to 'plug-ins/script-fu/scripts/selection-round.scm')
| -rw-r--r-- | plug-ins/script-fu/scripts/selection-round.scm | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/plug-ins/script-fu/scripts/selection-round.scm b/plug-ins/script-fu/scripts/selection-round.scm new file mode 100644 index 0000000..afbc91c --- /dev/null +++ b/plug-ins/script-fu/scripts/selection-round.scm @@ -0,0 +1,164 @@ +; selection-rounded-rectangle.scm -*-scheme-*- + +; GIMP - The GNU Image Manipulation Program +; Copyright (C) 1995 Spencer Kimball and Peter Mattis +; +; 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 <https://www.gnu.org/licenses/>. + +; CHANGE-LOG: +; 1.00 - initial release +; 1.01 - some code cleanup, no real changes +; 1.02 - made script undoable + +; 2.00 - ALAN's Branch. changed name, menu, location, and description +; 2.01 - fixed to work if there was no current selection. +; 2.02 - changed scale to percentages, usability tweaking. +; 2.10 - added concave round edges, updated description. +; 2.11 - tweeked description, changed comments, relinquished any rights. + +; Copyright (C) 1997, 1998, Sven Neumann +; Copyright (C) 2004, Alan Horkan. +; Alan Horkan relinquishes all rights to his changes, +; full ownership of this script belongs to Sven Neumann. + +(define (script-fu-selection-rounded-rectangle image drawable radius concave) + (gimp-image-undo-group-start image) + + (if (= (car (gimp-selection-is-empty image)) TRUE) (gimp-selection-all image)) + (let* ( + (radius (/ radius 100)) ; convert from percentages + (radius (min radius 1.0)) + (radius (max radius 0.0)) + (select-bounds (gimp-selection-bounds image)) + (has-selection (car select-bounds)) + (select-x1 (cadr select-bounds)) + (select-y1 (caddr select-bounds)) + (select-x2 (cadr (cddr select-bounds))) + (select-y2 (caddr (cddr select-bounds))) + (select-width (- select-x2 select-x1)) + (select-height (- select-y2 select-y1)) + (cut-radius 0) + (ellipse-radius 0) + ) + + (gimp-context-push) + (gimp-context-set-defaults) + + ;; select to the full bounds of the selection, + ;; fills in irregular shapes or holes. + (gimp-image-select-rectangle image CHANNEL-OP-ADD + select-x1 select-y1 select-width select-height) + + (if (> select-width select-height) + (set! cut-radius (trunc (+ 1 (* radius (/ select-height 2))))) + (set! cut-radius (trunc (+ 1 (* radius (/ select-width 2))))) + ) + (set! ellipse-radius (* cut-radius 2)) + + (gimp-context-set-antialias TRUE) + ;; cut away rounded (concave) corners + ; top right + (gimp-image-select-ellipse image CHANNEL-OP-SUBTRACT + (- select-x1 cut-radius) + (- select-y1 cut-radius) + (* cut-radius 2) + (* cut-radius 2)) + ; lower left + (gimp-image-select-ellipse image CHANNEL-OP-SUBTRACT + (- select-x1 cut-radius) + (- select-y2 cut-radius) + (* cut-radius 2) + (* cut-radius 2)) + ; top right + (gimp-image-select-ellipse image CHANNEL-OP-SUBTRACT + (- select-x2 cut-radius) + (- select-y1 cut-radius) + (* cut-radius 2) + (* cut-radius 2)) + ; bottom left + (gimp-image-select-ellipse image CHANNEL-OP-SUBTRACT + (- select-x2 cut-radius) + (- select-y2 cut-radius) + (* cut-radius 2) + (* cut-radius 2)) + + ;; add in rounded (convex) corners + (if (= concave FALSE) + (begin + (gimp-image-select-ellipse image + CHANNEL-OP-ADD + select-x1 + select-y1 + ellipse-radius + ellipse-radius) + (gimp-image-select-ellipse image + CHANNEL-OP-ADD + select-x1 + (- select-y2 ellipse-radius) + ellipse-radius + ellipse-radius) + (gimp-image-select-ellipse image + CHANNEL-OP-ADD + (- select-x2 ellipse-radius) + select-y1 + ellipse-radius + ellipse-radius) + (gimp-image-select-ellipse image + CHANNEL-OP-ADD + (- select-x2 ellipse-radius) + (- select-y2 ellipse-radius) + ellipse-radius + ellipse-radius) + ) + ) + + (gimp-image-undo-group-end image) + (gimp-displays-flush) + (gimp-context-pop) + ) +) + + +(define (script-fu-selection-round image drawable radius) + (script-fu-selection-rounded-rectangle image drawable (* radius 100) FALSE) +) + + +(script-fu-register "script-fu-selection-rounded-rectangle" + _"Rounded R_ectangle..." + _"Round the corners of the current selection" + "Alan Horkan, Sven Neumann" ; authors + "Sven Neumann" ; copyright + "2004/06/07" + "*" + SF-IMAGE "Image" 0 + SF-DRAWABLE "Drawable" 0 + SF-ADJUSTMENT _"R_adius (%)" '(50 0 100 1 10 0 0) + SF-TOGGLE _"Co_ncave" FALSE +) + +(script-fu-register "script-fu-selection-round" + "" + "This procedure is deprecated! Use 'script-fu-selection-rounded-rectangle' instead." + "Sven Neumann" ; authors + "Sven Neumann" ; copyright + "1998/02/06" + "*" + SF-IMAGE "Image" 0 + SF-DRAWABLE "Drawable" 0 + SF-ADJUSTMENT "Relative radius" '(1 0 128 0.1 1 1 1) +) + +(script-fu-menu-register "script-fu-selection-rounded-rectangle" + "<Image>/Select/Modify") |