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Diffstat (limited to 'plug-ins/script-fu/scripts/test-sphere.scm')
| -rw-r--r-- | plug-ins/script-fu/scripts/test-sphere.scm | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/plug-ins/script-fu/scripts/test-sphere.scm b/plug-ins/script-fu/scripts/test-sphere.scm new file mode 100644 index 0000000..763e9b0 --- /dev/null +++ b/plug-ins/script-fu/scripts/test-sphere.scm @@ -0,0 +1,307 @@ +; This is a a test script to show and test the possibilities of the +; Script-Fu parameter API. +; +; ---------------------------------------------------------------------- +; 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-COLOR +; creates a color button in the dialog. It accepts either a list of three +; values for the red, green and blue components or a color name in CSS +; notatation +; +; Usage: +; SF-COLOR "label" '(red green blue) +; SF-COLOR "label" "color" +; +; ---------------------------------------------------------------------- +; 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" +; +; ---------------------------------------------------------------------- +; SF-BRUSH +; is only useful in interactive mode. It will create a widget in the control +; dialog. The widget consists of a preview area (which when pressed will +; produce a popup preview ) and a button with the "..." label. The button will +; popup a dialog where brushes can be selected and each of the +; characteristics of the brush can be modified. +; +; The actual value returned when the script is invoked is a list +; consisting of Brush name, opacity, spacing and brush mode in the same +; units as passed in as the default value. +; +; Usage: +; SF-BRUSH "Brush" '("Circle (03)" 100 44 0) +; +; Here the brush dialog will be popped up with a default brush of Circle (03) +; opacity 100 spacing 44 and paint mode of Normal (value 0). +; If this selection was unchanged the value passed to the function as a +; parameter would be '("Circle (03)" 100 44 0). +; +; ---------------------------------------------------------------------- +; SF-PATTERN +; Only useful in interactive mode. It will create a widget in the control +; dialog. The widget consists of a preview area (which when pressed will +; produce a popup preview ) and a button with the "..." label. The button will +; popup a dialog where patterns can be selected. +; +; Usage: +; SF-PATTERN "Pattern" "Maple Leaves" +; +; The value returned when the script is invoked is a string containing the +; pattern name. If the above selection was not altered the string would +; contain "Maple Leaves" +; +; ---------------------------------------------------------------------- +; SF-GRADIENT +; Only useful in interactive mode. It will create a widget in the control +; dialog. The widget consists of a button containing a preview of the selected +; gradient. If the button is pressed a gradient selection dialog will popup. +; +; Usage: +; SF-GRADIENT "Gradient" "Deep Sea" +; +; The value returned when the script is invoked is a string containing the +; gradient name. If the above selection was not altered the string would +; contain "Deep Sea" +; +; ---------------------------------------------------------------------- +; SF-PALETTE +; Only useful in interactive mode. It will create a widget in the control +; dialog. The widget consists of a button containing a preview of the selected +; palette. If the button is pressed a palette selection dialog will popup. +; +; Usage: +; SF-PALETTE "Palette" "Named Colors" +; +; The value returned when the script is invoked is a string containing the +; palette name. If the above selection was not altered the string would +; contain "Named Colors" +; +; ---------------------------------------------------------------------- +; SF-FILENAME +; Only useful in interactive mode. It will create a widget in the control +; dialog. The widget consists of a button containing the name of a file. +; If the button is pressed a file selection dialog will popup. +; +; Usage: +; SF-FILENAME "Environment Map" +; (string-append "" gimp-data-directory "/scripts/beavis.jpg") +; +; The value returned when the script is invoked is a string containing the +; filename. +; +; ---------------------------------------------------------------------- +; SF-DIRNAME +; Only useful in interactive mode. Very similar to SF-FILENAME, but the +; created widget allows to choose a directory instead of a file. +; +; Usage: +; SF-DIRNAME "Image Directory" "/var/tmp/images" +; +; The value returned when the script is invoked is a string containing the +; dirname. +; +; ---------------------------------------------------------------------- +; SF-OPTION +; Only useful in interactive mode. It will create a widget in the control +; dialog. The widget is a combo-box showing the options that are passed +; as a list. The first option is the default choice. +; +; Usage: +; SF-OPTION "Orientation" '("Horizontal" "Vertical") +; +; The value returned when the script is invoked is the number of the +; chosen option, where the option first is counted as 0. +; +; ---------------------------------------------------------------------- +; SF-ENUM +; Only useful in interactive mode. It will create a widget in the control +; dialog. The widget is a combo-box showing all enum values for the given +; enum type. This has to be the name of a registered enum, without the +; "Gimp" prefix. The second parameter specifies the default value, using +; the enum value's nick. +; +; Usage: +; SF-ENUM "Interpolation" '("InterpolationType" "linear") +; +; The value returned when the script is invoked corresponds to chosen +; enum value. +; +; ---------------------------------------------------------------------- + + +(define (script-fu-test-sphere radius + light + shadow + bg-color + sphere-color + brush + text + multi-text + pattern + gradient + gradient-reverse + font + size + unused-palette + unused-filename + unused-orientation + unused-interpolation + unused-dirname + unused-image + unused-layer + unused-channel + unused-drawable) + (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 LAYER-MODE-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 multi-text + size PIXELS + font)) + (x-position (- cx (/ (car text-extents) 2))) + (y-position (- cy (/ (cadr text-extents) 2))) + (shadow-w 0) + (shadow-x 0) + ) + + (gimp-context-push) + (gimp-context-set-defaults) + + (gimp-image-undo-disable img) + (gimp-image-insert-layer img drawable 0 0) + (gimp-context-set-foreground sphere-color) + (gimp-context-set-background bg-color) + (gimp-drawable-edit-fill drawable FILL-BACKGROUND) + (gimp-context-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) + (begin (set! shadow-x (+ cx shadow-w)) + (set! shadow-w (- shadow-w)))) + + (gimp-context-set-feather TRUE) + (gimp-context-set-feather-radius 7.5 7.5) + (gimp-image-select-ellipse img CHANNEL-OP-REPLACE shadow-x shadow-y shadow-w shadow-h) + (gimp-context-set-pattern pattern) + (gimp-drawable-edit-fill drawable FILL-PATTERN))) + + (gimp-context-set-feather FALSE) + (gimp-image-select-ellipse img CHANNEL-OP-REPLACE (- cx radius) (- cy radius) + (* 2 radius) (* 2 radius)) + + (gimp-context-set-gradient-fg-bg-rgb) + (gimp-drawable-edit-gradient-fill drawable + GRADIENT-RADIAL offset + FALSE 0 0 + TRUE + light-x light-y + light-end-x light-end-y) + + (gimp-selection-none img) + + (gimp-image-select-ellipse img CHANNEL-OP-REPLACE 10 10 50 50) + + (gimp-context-set-gradient gradient) + (gimp-context-set-gradient-reverse gradient-reverse) + (gimp-drawable-edit-gradient-fill drawable + GRADIENT-LINEAR offset + FALSE 0 0 + TRUE + 10 10 + 30 60) + + (gimp-selection-none img) + + (gimp-context-set-foreground '(0 0 0)) + (gimp-floating-sel-anchor (car (gimp-text-fontname img drawable + x-position y-position + multi-text + 0 TRUE + size PIXELS + font))) + + (gimp-image-undo-enable img) + (gimp-display-new img) + + (gimp-context-pop) + ) +) + +(script-fu-register "script-fu-test-sphere" + _"_Sphere..." + "Simple script to test and show the usage of the new Script-Fu API extensions." + "Spencer Kimball, Sven Neumann" + "Spencer Kimball" + "1996, 1998" + "" + SF-ADJUSTMENT "Radius (in pixels)" (list 100 1 5000 1 10 0 SF-SPINNER) + SF-ADJUSTMENT "Lighting (degrees)" (list 45 0 360 1 10 1 SF-SLIDER) + SF-TOGGLE "Shadow" TRUE + SF-COLOR "Background color" "white" + SF-COLOR "Sphere color" "red" + SF-BRUSH "Brush" '("2. Hardness 100" 100 44 0) + SF-STRING "Text" "Tiny-Fu rocks!" + SF-TEXT "Multi-line text" "Hello,\nWorld!" + SF-PATTERN "Pattern" "Maple Leaves" + SF-GRADIENT "Gradient" "Deep Sea" + SF-TOGGLE "Gradient reverse" FALSE + SF-FONT "Font" "Agate" + SF-ADJUSTMENT "Font size (pixels)" '(50 1 1000 1 10 0 1) + SF-PALETTE "Palette" "Default" + SF-FILENAME "Environment map" + (string-append gimp-data-directory + "/scripts/images/beavis.jpg") + SF-OPTION "Orientation" '("Horizontal" + "Vertical") + SF-ENUM "Interpolation" '("InterpolationType" "linear") + SF-DIRNAME "Output directory" "/var/tmp/" + SF-IMAGE "Image" -1 + SF-LAYER "Layer" -1 + SF-CHANNEL "Channel" -1 + SF-DRAWABLE "Drawable" -1 + SF-VECTORS "Vectors" -1 +) + +(script-fu-menu-register "script-fu-test-sphere" + "<Image>/Filters/Languages/Script-Fu/Test") |