175 lines
6.5 KiB
Scheme
175 lines
6.5 KiB
Scheme
#!/usr/bin/env pika-script-fu-interpreter-3.0
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; v3 >>> Has shebang, is interpreter
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; This is a a test script to test Script-Fu parameter API.
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; For PIKA 3: uses PikaImageProcedure, PikaProcedureDialog, PikaConfig
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; See also test-sphere.scm, for PIKA 2, from which this is derived
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; Diffs marked with ; v3 >>>
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; v3 >>> signature of PikaImageProcedure
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; drawables is a vector
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(define (script-fu-test-sphere-v3
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image
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drawables
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radius
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light
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shadow
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bg-color
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sphere-color
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brush
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text
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multi-text
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pattern
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gradient
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gradient-reverse
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font
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size
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unused-palette
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unused-filename
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unused-orientation
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unused-interpolation
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unused-dirname
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unused-image
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unused-layer
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unused-channel
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unused-drawable)
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(let* (
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(width (* radius 3.75))
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(height (* radius 2.5))
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(img (car (pika-image-new width height RGB)))
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(drawable (car (pika-layer-new img width height RGB-IMAGE
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"Sphere Layer" 100 LAYER-MODE-NORMAL)))
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(radians (/ (* light *pi*) 180))
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(cx (/ width 2))
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(cy (/ height 2))
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(light-x (+ cx (* radius (* 0.6 (cos radians)))))
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(light-y (- cy (* radius (* 0.6 (sin radians)))))
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(light-end-x (+ cx (* radius (cos (+ *pi* radians)))))
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(light-end-y (- cy (* radius (sin (+ *pi* radians)))))
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(offset (* radius 0.1))
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(text-extents (pika-text-get-extents-fontname multi-text
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size PIXELS
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font))
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(x-position (- cx (/ (car text-extents) 2)))
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(y-position (- cy (/ (cadr text-extents) 2)))
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(shadow-w 0)
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(shadow-x 0)
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)
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(pika-context-push)
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(pika-context-set-defaults)
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(pika-image-undo-disable img)
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(pika-image-insert-layer img drawable 0 0)
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(pika-context-set-foreground sphere-color)
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(pika-context-set-background bg-color)
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(pika-drawable-edit-fill drawable FILL-BACKGROUND)
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(pika-context-set-background '(20 20 20))
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(if (and
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(or (and (>= light 45) (<= light 75))
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(and (<= light 135) (>= light 105)))
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(= shadow TRUE))
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(let ((shadow-w (* (* radius 2.5) (cos (+ *pi* radians))))
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(shadow-h (* radius 0.5))
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(shadow-x cx)
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(shadow-y (+ cy (* radius 0.65))))
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(if (< shadow-w 0)
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(begin (set! shadow-x (+ cx shadow-w))
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(set! shadow-w (- shadow-w))))
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(pika-context-set-feather TRUE)
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(pika-context-set-feather-radius 7.5 7.5)
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(pika-image-select-ellipse img CHANNEL-OP-REPLACE shadow-x shadow-y shadow-w shadow-h)
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(pika-context-set-pattern pattern)
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(pika-drawable-edit-fill drawable FILL-PATTERN)))
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(pika-context-set-feather FALSE)
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(pika-image-select-ellipse img CHANNEL-OP-REPLACE (- cx radius) (- cy radius)
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(* 2 radius) (* 2 radius))
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(pika-context-set-gradient-fg-bg-rgb)
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(pika-drawable-edit-gradient-fill drawable
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GRADIENT-RADIAL offset
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FALSE 0 0
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TRUE
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light-x light-y
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light-end-x light-end-y)
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(pika-selection-none img)
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(pika-image-select-ellipse img CHANNEL-OP-REPLACE 10 10 50 50)
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(pika-context-set-gradient gradient)
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(pika-context-set-gradient-reverse gradient-reverse)
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(pika-drawable-edit-gradient-fill drawable
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GRADIENT-LINEAR offset
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FALSE 0 0
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TRUE
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10 10
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30 60)
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(pika-selection-none img)
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(pika-context-set-foreground '(0 0 0))
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(pika-floating-sel-anchor (car (pika-text-fontname img drawable
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x-position y-position
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multi-text
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0 TRUE
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size PIXELS
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font)))
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(pika-image-undo-enable img)
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(pika-display-new img)
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(pika-context-pop)
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)
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)
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; v3 >>> use script-fu-register-filter
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; v3 >>> menu item is v3, alongside old one
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; v3 >>> not yet localized
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(script-fu-register-filter "script-fu-test-sphere-v3"
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"Sphere v3..."
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"Test script-fu-register-filter and PikaProcedureDialog: needs 2 selected layers."
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"Spencer Kimball, Sven Neumann"
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"Spencer Kimball"
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"1996, 1998"
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"*" ; image types any
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SF-TWO-OR-MORE-DRAWABLE ; v3 >>> additional argument
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SF-ADJUSTMENT "Radius (in pixels)" (list 100 1 5000 1 10 0 SF-SPINNER)
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SF-ADJUSTMENT "Lighting (degrees)" (list 45 0 360 1 10 1 SF-SLIDER)
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SF-TOGGLE "Shadow" TRUE
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SF-COLOR "Background color" "white"
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SF-COLOR "Sphere color" "red"
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SF-BRUSH "Brush" '("2. Hardness 100" 100 44 0)
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SF-STRING "Text" "Tiny-Fu rocks!"
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SF-TEXT "Multi-line text" "Hello,\nWorld!"
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SF-PATTERN "Pattern" "Maple Leaves"
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SF-GRADIENT "Gradient" "Deep Sea"
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SF-TOGGLE "Gradient reverse" FALSE
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SF-FONT "Font" "Agate"
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SF-ADJUSTMENT "Font size (pixels)" '(50 1 1000 1 10 0 1)
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SF-PALETTE "Palette" "Default"
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SF-FILENAME "Environment map"
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(string-append pika-data-directory
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"/scripts/images/beavis.jpg")
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SF-OPTION "Orientation" '("Horizontal"
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"Vertical")
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SF-ENUM "Interpolation" '("InterpolationType" "linear")
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SF-DIRNAME "Output directory" "/var/tmp/"
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SF-IMAGE "Image" -1
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SF-LAYER "Layer" -1
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SF-CHANNEL "Channel" -1
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SF-DRAWABLE "Drawable" -1
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SF-VECTORS "Vectors" -1
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)
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(script-fu-menu-register "script-fu-test-sphere-v3"
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"<Image>/Filters/Development/Script-Fu/Test")
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