gimp/plug-ins/script-fu/scripts/coolmetal-logo.scm

191 lines
7.3 KiB
Scheme

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