4233734b86
2006-09-01 Michael Natterer <mitch@gimp.org> * plug-ins/script-fu/scripts/gradient-example.scm: pop the context before rendering the gradient so we draw the gradient with the user's colors, not with the ones the script uses temporarily.
71 lines
2.3 KiB
Scheme
71 lines
2.3 KiB
Scheme
; The GIMP -- an image manipulation program
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; Copyright (C) 1995 Spencer Kimball and Peter Mattis
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;
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; Gradient example script --- create an example image of a custom gradient
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; Copyright (C) 1997 Federico Mena Quintero
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; federico@nuclecu.unam.mx
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;
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; This program is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2 of the License, or
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; (at your option) any later version.
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;
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; This program is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with this program; if not, write to the Free Software
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; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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(define (script-fu-gradient-example width
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height
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gradient-reverse)
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(let* ((img (car (gimp-image-new width height RGB)))
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(drawable (car (gimp-layer-new img width height RGB
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"Gradient example" 100 NORMAL-MODE)))
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; Calculate colors for checkerboard... just like in the gradient editor
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(fg-color (* 255 (/ 2 3)))
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(bg-color (* 255 (/ 1 3))))
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(gimp-image-undo-disable img)
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(gimp-image-add-layer img drawable 0)
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; Render background checkerboard
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(gimp-context-push)
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(gimp-context-set-foreground (list fg-color fg-color fg-color))
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(gimp-context-set-background (list bg-color bg-color bg-color))
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(plug-in-checkerboard 1 img drawable 0 8)
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(gimp-context-pop)
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; Render gradient
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(gimp-edit-blend drawable CUSTOM-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE gradient-reverse
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FALSE 0 0 TRUE
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0 0 (- width 1) 0)
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; Terminate
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(gimp-image-undo-enable img)
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(gimp-display-new img)))
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(script-fu-register "script-fu-gradient-example"
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_"Render _Image..."
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"Create an example image of a custom gradient"
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"Federico Mena Quintero"
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"Federico Mena Quintero"
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"June 1997"
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""
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SF-ADJUSTMENT _"Width" '(400 1 2000 1 10 0 1)
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SF-ADJUSTMENT _"Height" '(30 1 2000 1 10 0 1)
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SF-TOGGLE _"Gradient reverse" FALSE)
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(script-fu-menu-register "script-fu-gradient-example"
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"<Gradients>")
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