0e42a8161f
2006-06-08 Sven Neumann <sven@gimp.org> * plug-ins/script-fu/script-fu-scripts.c * plug-ins/script-fu/siod-wrapper.c: allow CSS color keywords to be used in place of the '(r g b) color notation. * plug-ins/script-fu/scripts/test-sphere.scm: documented this new feature. * plug-ins/script-fu/scripts/*.scm: replaced some colors with color names.
119 lines
4.4 KiB
Scheme
119 lines
4.4 KiB
Scheme
; CHROME-LOGOS
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(define (apply-chrome-logo-effect img
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logo-layer
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offsets
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bg-color)
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(let* ((offx1 (* offsets 0.4))
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(offy1 (* offsets 0.3))
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(offx2 (* offsets (- 0.4)))
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(offy2 (* offsets (- 0.3)))
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(feather (* offsets 0.5))
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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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(layer1 (car (gimp-layer-new img width height RGBA-IMAGE "Layer 1" 100 DIFFERENCE-MODE)))
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(layer2 (car (gimp-layer-new img width height RGBA-IMAGE "Layer 2" 100 DIFFERENCE-MODE)))
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(layer3 (car (gimp-layer-new img width height RGBA-IMAGE "Layer 3" 100 NORMAL-MODE)))
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(shadow (car (gimp-layer-new img width height RGBA-IMAGE "Drop Shadow" 100 NORMAL-MODE)))
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(background (car (gimp-layer-new img width height RGB-IMAGE "Background" 100 NORMAL-MODE)))
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(layer-mask (car (gimp-layer-create-mask layer1 ADD-BLACK-MASK))))
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(gimp-context-push)
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(script-fu-util-image-resize-from-layer img logo-layer)
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(gimp-image-add-layer img background 1)
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(gimp-image-add-layer img shadow 1)
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(gimp-image-add-layer img layer3 1)
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(gimp-image-add-layer img layer2 1)
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(gimp-image-add-layer img layer1 1)
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(gimp-context-set-background '(255 255 255))
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(gimp-selection-none img)
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(gimp-edit-fill layer1 BACKGROUND-FILL)
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(gimp-edit-fill layer2 BACKGROUND-FILL)
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(gimp-edit-fill layer3 BACKGROUND-FILL)
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(gimp-edit-clear shadow)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-drawable-set-visible logo-layer FALSE)
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(gimp-drawable-set-visible shadow FALSE)
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(gimp-drawable-set-visible background FALSE)
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(gimp-context-set-background '(0 0 0))
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(gimp-edit-fill layer1 BACKGROUND-FILL)
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(gimp-selection-translate img offx1 offy1)
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(gimp-selection-feather img feather)
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(gimp-edit-fill layer2 BACKGROUND-FILL)
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(gimp-selection-translate img (* 2 offx2) (* 2 offy2))
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(gimp-edit-fill layer3 BACKGROUND-FILL)
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(gimp-selection-none img)
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(set! layer1 (car (gimp-image-merge-visible-layers img CLIP-TO-IMAGE)))
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(gimp-invert layer1)
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(gimp-layer-add-mask layer1 layer-mask)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-context-set-background '(255 255 255))
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(gimp-selection-feather img feather)
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(gimp-edit-fill layer-mask BACKGROUND-FILL)
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(gimp-context-set-background '(0 0 0))
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(gimp-selection-translate img offx1 offy1)
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(gimp-edit-fill shadow BACKGROUND-FILL)
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(gimp-selection-none img)
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(gimp-context-set-background bg-color)
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(gimp-edit-fill background BACKGROUND-FILL)
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(gimp-drawable-set-visible shadow TRUE)
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(gimp-drawable-set-visible background TRUE)
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(gimp-drawable-set-name layer1 (car (gimp-drawable-get-name logo-layer)))
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(gimp-image-remove-layer img logo-layer)
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(gimp-context-pop)))
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(define (script-fu-chrome-logo-alpha img
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logo-layer
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offsets
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bg-color)
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(begin
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(gimp-image-undo-group-start img)
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(apply-chrome-logo-effect img logo-layer offsets bg-color)
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(gimp-image-undo-group-end img)
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(gimp-displays-flush)))
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(script-fu-register "script-fu-chrome-logo-alpha"
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_"C_hrome..."
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"Somewhat simplistic, but cool chromed logos"
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"Spencer Kimball"
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"Spencer Kimball & Peter Mattis"
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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 _"Offsets (pixels * 2)" '(10 2 100 1 10 0 1)
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SF-COLOR _"Background color" '(191 191 191))
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(script-fu-menu-register "script-fu-chrome-logo-alpha"
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"<Image>/Filters/Alpha to Logo")
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(define (script-fu-chrome-logo text
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size
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font
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bg-color)
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(let* ((img (car (gimp-image-new 256 256 RGB)))
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(b-size (* size 0.2))
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(text-layer (car (gimp-text-fontname img -1 0 0 text b-size TRUE size PIXELS font))))
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(gimp-image-undo-disable img)
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(apply-chrome-logo-effect img text-layer (* size 0.1) bg-color)
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(gimp-image-undo-enable img)
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(gimp-display-new img)))
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(script-fu-register "script-fu-chrome-logo"
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_"C_hrome..."
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"Somewhat simplistic, but cool chromed logos"
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"Spencer Kimball"
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"Spencer Kimball & Peter Mattis"
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"1997"
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""
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SF-STRING _"Text" "GIMP"
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SF-ADJUSTMENT _"Font size (pixels)" '(100 2 1000 1 10 0 1)
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SF-FONT _"Font" "Bodoni"
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SF-COLOR _"Background color" "lightgrey")
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(script-fu-menu-register "script-fu-chrome-logo"
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"<Toolbox>/Xtns/Logos")
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