mirror of https://github.com/GNOME/gimp.git
185 lines
7.0 KiB
Scheme
185 lines
7.0 KiB
Scheme
; COOL-METAL
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; Create a text effect that looks like metal with a reflection of
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; the horizon, a reflection of the text in the mirrored ground, and
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; an interesting dropshadow
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; This script was inspired by Rob Malda's 'coolmetal.gif' graphic
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(define (apply-cool-metal-logo-effect img
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logo-layer
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size
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bg-color
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gradient
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gradient-reverse)
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(let* (
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(feather (/ size 5))
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(smear 7.5)
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(period (/ size 3))
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(amplitude (/ size 40))
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(shrink (+ 1 (/ size 30)))
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(depth (/ size 20))
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(width (car (gimp-drawable-width logo-layer)))
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(height (car (gimp-drawable-height logo-layer)))
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(posx (- (car (gimp-drawable-offsets logo-layer))))
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(posy (- (cadr (gimp-drawable-offsets logo-layer))))
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(img-width (+ width (* 0.15 height) 10))
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(img-height (+ (* 1.85 height) 10))
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(bg-layer (car (gimp-layer-new img img-width img-height RGB-IMAGE "Background" 100 NORMAL-MODE)))
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(shadow-layer (car (gimp-layer-new img img-width img-height RGBA-IMAGE "Shadow" 100 NORMAL-MODE)))
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(reflect-layer (car (gimp-layer-new img width height RGBA-IMAGE "Reflection" 100 NORMAL-MODE)))
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(channel 0)
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(fs 0)
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(layer-mask 0)
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)
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(gimp-context-push)
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(gimp-selection-none img)
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(gimp-image-resize img img-width img-height posx posy)
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(gimp-image-add-layer img bg-layer 1)
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(gimp-image-add-layer img reflect-layer 1)
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(gimp-image-add-layer img shadow-layer 1)
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(gimp-layer-set-lock-alpha logo-layer TRUE)
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(gimp-context-set-background bg-color)
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(gimp-edit-fill bg-layer BACKGROUND-FILL)
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(gimp-edit-clear reflect-layer)
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill shadow-layer BACKGROUND-FILL)
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(gimp-context-set-gradient gradient)
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(gimp-edit-blend logo-layer 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 0 (+ height 5))
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(gimp-rect-select img 0 (- (/ height 2) feather) img-width (* 2 feather) CHANNEL-OP-REPLACE 0 0)
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(plug-in-gauss-iir 1 img logo-layer smear TRUE TRUE)
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(gimp-selection-none img)
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(plug-in-ripple 1 img logo-layer period amplitude 1 0 1 TRUE FALSE)
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(gimp-layer-translate logo-layer 5 5)
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(gimp-layer-resize logo-layer img-width img-height 5 5)
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(gimp-selection-layer-alpha logo-layer)
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(set! channel (car (gimp-selection-save img)))
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(gimp-selection-shrink img shrink)
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(gimp-selection-invert img)
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(plug-in-gauss-rle 1 img channel feather TRUE TRUE)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-selection-invert img)
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill channel BACKGROUND-FILL)
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(gimp-selection-none img)
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(plug-in-bump-map 1 img logo-layer channel 135 45 depth 0 0 0 0 FALSE FALSE 0)
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(gimp-selection-layer-alpha logo-layer)
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(set! fs (car (gimp-selection-float shadow-layer 0 0)))
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(gimp-edit-clear shadow-layer)
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(gimp-drawable-transform-perspective-default fs
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(+ 5 (* 0.15 height)) (- height (* 0.15 height))
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(+ 5 width (* 0.15 height)) (- height (* 0.15 height))
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5 height
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(+ 5 width) height
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FALSE FALSE)
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(gimp-floating-sel-anchor fs)
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(plug-in-gauss-rle 1 img shadow-layer smear TRUE TRUE)
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(gimp-rect-select img 5 5 width height CHANNEL-OP-REPLACE FALSE 0)
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(gimp-edit-copy logo-layer)
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(set! fs (car (gimp-edit-paste reflect-layer FALSE)))
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(gimp-floating-sel-anchor fs)
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(gimp-drawable-transform-scale-default reflect-layer
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0 0 width (* 0.85 height)
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FALSE FALSE)
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(gimp-drawable-transform-flip-simple reflect-layer ORIENTATION-VERTICAL
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TRUE 0 TRUE)
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(gimp-layer-set-offsets reflect-layer 5 (+ 3 height))
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(set! layer-mask (car (gimp-layer-create-mask reflect-layer ADD-WHITE-MASK)))
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(gimp-layer-add-mask reflect-layer layer-mask)
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(gimp-context-set-foreground '(255 255 255))
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-blend layer-mask FG-BG-RGB-MODE NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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0 (- (/ height 2)) 0 height)
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(gimp-image-remove-channel img channel)
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(gimp-context-pop)
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)
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)
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(define (script-fu-cool-metal-logo-alpha img
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logo-layer
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size
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bg-color
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gradient
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gradient-reverse)
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(begin
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(gimp-image-undo-group-start img)
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(apply-cool-metal-logo-effect img logo-layer size bg-color
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gradient gradient-reverse)
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(gimp-image-undo-group-end img)
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(gimp-displays-flush)
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)
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)
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(script-fu-register "script-fu-cool-metal-logo-alpha"
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_"Cool _Metal..."
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_"Add a metallic effect to the selected region (or alpha) with reflections and perspective shadows"
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"Spencer Kimball & Rob Malda"
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"Spencer Kimball & Rob Malda"
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"1997"
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"RGBA"
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SF-IMAGE "Image" 0
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SF-DRAWABLE "Drawable" 0
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SF-ADJUSTMENT _"Effect size (pixels)" '(100 2 1000 1 10 0 1)
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SF-COLOR _"Background color" "white"
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SF-GRADIENT _"Gradient" "Horizon 1"
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SF-TOGGLE _"Gradient reverse" FALSE
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)
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(script-fu-menu-register "script-fu-cool-metal-logo-alpha"
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"<Image>/Filters/Alpha to Logo")
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(define (script-fu-cool-metal-logo text
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size
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font
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bg-color
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gradient
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gradient-reverse)
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(let* (
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(img (car (gimp-image-new 256 256 RGB)))
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(text-layer (car (gimp-text-fontname img -1 0 0 text 0 TRUE
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size PIXELS font)))
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)
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(gimp-image-undo-disable img)
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(apply-cool-metal-logo-effect img text-layer size bg-color
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gradient gradient-reverse)
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(gimp-image-undo-enable img)
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(gimp-display-new img)
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)
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)
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(script-fu-register "script-fu-cool-metal-logo"
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_"Cool _Metal..."
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_"Create a metallic logo with reflections and perspective shadows"
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"Spencer Kimball & Rob Malda"
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"Spencer Kimball & Rob Malda"
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"1997"
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""
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SF-STRING _"Text" "Cool Metal"
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SF-ADJUSTMENT _"Font size (pixels)" '(100 2 1000 1 10 0 1)
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SF-FONT _"Font" "Crillee"
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SF-COLOR _"Background color" "white"
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SF-GRADIENT _"Gradient" "Horizon 1"
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SF-TOGGLE _"Gradient reverse" FALSE
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)
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(script-fu-menu-register "script-fu-cool-metal-logo"
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"<Toolbox>/Xtns/Logos")
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