Files
gimp/plug-ins/script-fu/scripts/gradient-example.scm
Sven Neumann ee6dad2eb5 use GIMP_GRADIENT as prefix for the GimpGradientType enum.
2003-08-26  Sven Neumann  <sven@gimp.org>

	* app/core/core-enums.h: use GIMP_GRADIENT as prefix for the
	GimpGradientType enum.

	* app/core/core-enums.c
	* app/pdb/misc_tools_cmds.c
	* libgimp/gimpenums.h
	* plug-ins/pygimp/gimpenums.py
	* plug-ins/script-fu/script-fu-constants.c
	* tools/pdbgen/enums.pl: regenerated.

	* app/core/gimpdrawable-blend.c
	* app/tools/gimpblendoptions.c
	* plug-ins/pygimp/plug-ins/sphere.py
	* plug-ins/script-fu/scripts: changed accordingly.

	* libgimp/gimpcompat.h
	* plug-ins/script-fu/siod-wrapper.c: added compatibility defines
	for the old enum values.
2003-08-26 18:12:42 +00:00

72 lines
2.4 KiB
Scheme

; The GIMP -- an image manipulation program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; Gradient example script --- create an example image of a custom gradient
; Copyright (C) 1997 Federico Mena Quintero
; federico@nuclecu.unam.mx
;
; 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 2 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, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
(define (script-fu-gradient-example width
height
gradient-reverse)
(let* ((img (car (gimp-image-new width height RGB)))
(drawable (car (gimp-layer-new img width height RGB
"Gradient example" 100 NORMAL)))
; Save old foreground and background colors
(old-fg-color (car (gimp-palette-get-foreground)))
(old-bg-color (car (gimp-palette-get-background)))
; Calculate colors for checkerboard... just like in the gradient editor
(fg-color (* 255 (/ 2 3)))
(bg-color (* 255 (/ 1 3))))
(gimp-image-undo-disable img)
(gimp-image-add-layer img drawable 0)
; Render background checkerboard
(gimp-palette-set-foreground (list fg-color fg-color fg-color))
(gimp-palette-set-background (list bg-color bg-color bg-color))
(plug-in-checkerboard 1 img drawable 0 8)
; Render gradient
(gimp-blend drawable CUSTOM NORMAL
GRADIENT-LINEAR 100 0 REPEAT-NONE gradient-reverse
FALSE 0 0 TRUE
0 0 (- width 1) 0)
; Terminate
(gimp-palette-set-foreground old-fg-color)
(gimp-palette-set-background old-bg-color)
(gimp-image-undo-enable img)
(gimp-display-new img)))
(script-fu-register "script-fu-gradient-example"
_"<Toolbox>/Xtns/Script-Fu/Utils/Custom _Gradient..."
"Create an example image of a custom gradient"
"Federico Mena Quintero"
"Federico Mena Quintero"
"June 1997"
""
SF-ADJUSTMENT _"Width" '(400 1 2000 1 10 0 1)
SF-ADJUSTMENT _"Height" '(30 1 2000 1 10 0 1)
SF-TOGGLE _"Gradient Reverse" FALSE)