Files
gimp/plug-ins/script-fu/scripts/test-sphere.scm
BST 1998 Andy Thomas af5cdfbd58 app/brush_select.h app/brush_select.c app/internal_procs.c
Tue Oct 20 23:20:40 BST 1998 Andy Thomas <alt@picnic.demon.co.uk>


	* app/brush_select.h
	* app/brush_select.c
	* app/internal_procs.c
	* app/gimpbrushlist.c
	* libgimp/Makefile.am
	* libgimp/gimpmenu.h
	* libgimp/gimpmenu.c
	* plug-ins/script-fu/scripts/3d-outline.scm
	* plug-ins/script-fu/scripts/test-sphere.scm
	* plug-ins/script-fu/scripts/trochoid.scm
	* plug-ins/script-fu/script-fu-enums.h
	* plug-ins/script-fu/script-fu-scripts.c
	* plug-ins/script-fu/script-fu.c

	New file libgimp/gimpbrushmneu.c.

	Brush dialog can now be fully controlled via the PDB. New widget (not
	true widget) type added to libgimpui (gimp_brush_select_widget()).
	Plugins should easily be able to control & select brushes. Script-fu
	updated to use new widget. See the test script for example.

	Started to change some of the scripts to use the new widget types.
1998-10-20 22:36:52 +00:00

107 lines
4.4 KiB
Scheme

; This is a slightly modified copy of the sphere script to show and test
; the possibilities of the new Script-Fu API extensions.
;
; ----------------------------------------------------------------------
; SF-ADJUSTMENT
; is only useful in interactive mode, if you call a script from
; the console, it acts just like a normal SF-VALUE
; In interactive mode it creates an adjustment widget in the dialog.
;
; Usage:
; SF-ADJUSTMENT "label" '(value, lower, upper, step_inc, page_inc, digits, type)
;
; type is one of: SF-SLIDER(0), SF-SPINNER(1)
; ----------------------------------------------------------------------
; SF-FONT
; creates a font-selection widget in the dialog. It returns a fontname as
; a string. There are two new gimp-text procedures to ease the use of this
; return parameter:
;
; (gimp-text-fontname image drawable x-pos y-pos text border antialias size unit font)
; (gimp-text-get-extents-fontname text size unit font))
;
; where font is the fontname you get. The size specified in the fontname
; is silently ignored. It is only used in the font-selector. So you are asked to
; set it to a useful value (24 pixels is a good choice) when using SF-FONT.
;
; Usage:
; SF-FONT "label" "fontname"
; ----------------------------------------------------------------------
;
(define (script-fu-test-sphere radius light shadow bg-color sphere-color brush text pattern font size)
(let* ((width (* radius 3.75))
(height (* radius 2.5))
(img (car (gimp-image-new width height RGB)))
(drawable (car (gimp-layer-new img width height RGB_IMAGE "Sphere Layer" 100 NORMAL)))
(radians (/ (* light *pi*) 180))
(cx (/ width 2))
(cy (/ height 2))
(light-x (+ cx (* radius (* 0.6 (cos radians)))))
(light-y (- cy (* radius (* 0.6 (sin radians)))))
(light-end-x (+ cx (* radius (cos (+ *pi* radians)))))
(light-end-y (- cy (* radius (sin (+ *pi* radians)))))
(offset (* radius 0.1))
(text-extents (gimp-text-get-extents-fontname text size PIXELS font))
(x-position (- cx (/ (car text-extents) 2)))
(y-position (- cy (/ (cadr text-extents) 2)))
(old-fg (car (gimp-palette-get-foreground)))
(old-bg (car (gimp-palette-get-background))))
(gimp-image-disable-undo img)
(gimp-image-add-layer img drawable 0)
(gimp-palette-set-foreground sphere-color)
(gimp-palette-set-background bg-color)
(gimp-edit-fill img drawable)
(gimp-palette-set-background '(20 20 20))
(if (and
(or (and (>= light 45) (<= light 75)) (and (<= light 135) (>= light 105)))
(= shadow TRUE))
(let ((shadow-w (* (* radius 2.5) (cos (+ *pi* radians))))
(shadow-h (* radius 0.5))
(shadow-x cx)
(shadow-y (+ cy (* radius 0.65))))
(if (< shadow-w 0)
(prog1 (set! shadow-x (+ cx shadow-w))
(set! shadow-w (- shadow-w))))
(gimp-ellipse-select img shadow-x shadow-y shadow-w shadow-h REPLACE TRUE TRUE 7.5)
(gimp-patterns-set-pattern pattern)
(gimp-bucket-fill img drawable PATTERN-BUCKET-FILL MULTIPLY 100 0 FALSE 0 0)))
(gimp-ellipse-select img (- cx radius) (- cy radius) (* 2 radius) (* 2 radius) REPLACE TRUE FALSE 0)
(gimp-blend img drawable FG-BG-RGB NORMAL RADIAL 100 offset REPEAT-NONE
FALSE 0 0 light-x light-y light-end-x light-end-y)
(gimp-selection-none img)
(gimp-palette-set-foreground '(0 0 0))
(gimp-floating-sel-anchor (car (gimp-text-fontname img drawable
x-position y-position
text
0 TRUE
size PIXELS
font)))
(gimp-palette-set-background old-bg)
(gimp-palette-set-foreground old-fg)
(gimp-image-enable-undo img)
(gimp-display-new img)))
(script-fu-register "script-fu-test-sphere"
"<Toolbox>/Xtns/Script-Fu/Test/Sphere"
"Simple script to test and show the usage of the new Script-Fu API extensions. \n\nNote the use of spinbuttons, sliders, the font selector and do not forget the about dialog..."
"Spencer Kimball, Sven Neumann"
"Spencer Kimball"
"1996, 1998"
""
SF-ADJUSTMENT "Radius (in pixels)" '(100 1 5000 1 10 0 1)
SF-ADJUSTMENT "Lighting (degrees)" '(45 0 360 1 10 1 0)
SF-TOGGLE "Shadow" TRUE
SF-COLOR "Background Color" '(255 255 255)
SF-COLOR "Sphere Color" '(255 0 0)
SF-BRUSH "Brush" '("Circle (03)" 100.0 44 0)
SF-STRING "Text" "Script-Fu rocks!"
SF-PATTERN "Pattern" "Maple Leaves"
SF-FONT "Font" "-freefont-agate-normal-r-normal-*-24-*-*-*-p-*-*-*"
SF-ADJUSTMENT "Font size (in pixels)" '(50 1 1000 1 10 0 1))