mirror of https://github.com/GNOME/gimp.git
185 lines
6.8 KiB
Scheme
185 lines
6.8 KiB
Scheme
; BLENDED-DROP-SHADOW-LOGO
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; draw the specified text over a blended background using current gimp fg
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; and bg colors. The finished blend has a drop shadow underneath that blends
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; to the specified bg-color
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; if the blend colors are specified as high intensity, the sharp option
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; should be enabled or the logo will come out blurry
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(define (scale size
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percent)
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(* size percent))
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(define (apply-blended-logo-effect img
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logo-layer
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b-size
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bg-color
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blend-mode
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blend-fg
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blend-bg
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blend-gradient
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blend-gradient-reverse)
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(let* ((b-size-2 (scale b-size 0.5))
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(f-size (scale b-size 0.75))
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(ds-size (scale b-size 0.5))
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(ts-size (- b-size-2 3))
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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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(blend-layer (car (gimp-layer-new img
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width height RGBA-IMAGE
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"Blend" 100 NORMAL-MODE)))
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(shadow-layer (car (gimp-layer-new img
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width height RGBA-IMAGE
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"Shadow" 100 NORMAL-MODE)))
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(text-shadow-layer (car (gimp-layer-new img
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width height RGBA-IMAGE
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"Text Shadow" 100 MULTIPLY-MODE)))
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(tsl-layer-mask (car (gimp-layer-create-mask text-shadow-layer
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ADD-BLACK-MASK)))
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(drop-shadow-layer (car (gimp-layer-new img
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width height RGBA-IMAGE
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"Drop Shadow" 100 MULTIPLY-MODE)))
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(dsl-layer-mask (car (gimp-layer-create-mask drop-shadow-layer
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ADD-BLACK-MASK)))
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(old-fg (car (gimp-palette-get-foreground)))
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(old-bg (car (gimp-palette-get-background)))
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(old-grad (car (gimp-gradients-get-gradient))))
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(script-fu-util-image-resize-from-layer img logo-layer)
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(gimp-image-add-layer img shadow-layer 1)
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(gimp-image-add-layer img blend-layer 1)
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(gimp-image-add-layer img drop-shadow-layer 1)
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(gimp-image-add-layer img text-shadow-layer 0)
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(gimp-selection-none img)
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(gimp-edit-clear text-shadow-layer)
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(gimp-edit-clear drop-shadow-layer)
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(gimp-edit-clear blend-layer)
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(gimp-palette-set-background bg-color)
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(gimp-drawable-fill shadow-layer BACKGROUND-FILL)
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(gimp-rect-select img b-size-2 b-size-2 (- width b-size) (- height b-size) CHANNEL-OP-REPLACE TRUE b-size-2)
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(gimp-palette-set-background '(0 0 0))
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(gimp-edit-fill shadow-layer BACKGROUND-FILL)
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(gimp-selection-layer-alpha logo-layer)
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(gimp-layer-add-mask text-shadow-layer tsl-layer-mask)
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(gimp-palette-set-background '(255 255 255))
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(gimp-edit-fill tsl-layer-mask BACKGROUND-FILL)
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(gimp-selection-feather img f-size)
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(gimp-palette-set-background '(63 63 63))
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(gimp-edit-fill drop-shadow-layer BACKGROUND-FILL)
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(gimp-palette-set-background '(0 0 0))
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(gimp-edit-fill text-shadow-layer BACKGROUND-FILL)
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(gimp-palette-set-foreground '(255 255 255))
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(gimp-edit-blend text-shadow-layer FG-BG-RGB-MODE NORMAL-MODE
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GRADIENT-SHAPEBURST-ANGULAR 100 0 REPEAT-NONE FALSE
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FALSE 0 0 TRUE
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0 0 1 1)
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(gimp-selection-none img)
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(gimp-palette-set-foreground blend-fg)
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(gimp-palette-set-background blend-bg)
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(gimp-gradients-set-gradient blend-gradient)
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(gimp-edit-blend blend-layer blend-mode NORMAL-MODE
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GRADIENT-LINEAR 100 0 REPEAT-NONE blend-gradient-reverse
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FALSE 0 0 TRUE
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0 0 width 0)
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(gimp-layer-translate logo-layer (- b-size-2) (- b-size-2))
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(gimp-layer-translate blend-layer (- b-size) (- b-size))
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(gimp-layer-translate text-shadow-layer (- ts-size) (- ts-size))
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(gimp-layer-translate drop-shadow-layer ds-size ds-size)
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(gimp-selection-layer-alpha blend-layer)
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(gimp-layer-add-mask drop-shadow-layer dsl-layer-mask)
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(gimp-palette-set-background '(255 255 255))
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(gimp-edit-fill dsl-layer-mask BACKGROUND-FILL)
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(gimp-layer-remove-mask drop-shadow-layer MASK-APPLY)
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(gimp-selection-none img)
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(gimp-palette-set-foreground old-fg)
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(gimp-palette-set-background old-bg)
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(gimp-gradients-set-gradient old-grad)))
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(define (script-fu-blended-logo-alpha img
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logo-layer
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b-size
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bg-color
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blend-mode
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blend-fg
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blend-bg
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blend-gradient
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blend-gradient-reverse)
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(begin
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(gimp-image-undo-group-start img)
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(apply-blended-logo-effect img logo-layer b-size bg-color
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blend-mode blend-fg blend-bg
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blend-gradient blend-gradient-reverse)
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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-blended-logo-alpha"
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_"<Image>/Script-Fu/Alpha to Logo/Blen_ded..."
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"Creates logos with blended backgrounds, highlights, and shadows"
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"Spencer Kimball"
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"Spencer Kimball"
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"1996"
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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 _"Offset (pixels)" '(15 1 100 1 10 0 1)
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SF-COLOR _"Background color" '(255 255 255)
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SF-OPTION _"Blend mode" '(_"FG-BG-RGB"
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_"FG-BG-HSV"
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_"FG-Transparent"
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_"Custom Gradient")
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SF-COLOR _"Start blend" '(22 9 129)
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SF-COLOR _"End blend" '(129 9 82)
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SF-GRADIENT _"Gradient" "Golden"
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SF-TOGGLE _"Gradient reverse" FALSE)
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(define (script-fu-blended-logo text
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size
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font
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text-color
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bg-color
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blend-mode
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blend-fg
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blend-bg
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blend-gradient
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blend-gradient-reverse)
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(let* ((img (car (gimp-image-new 256 256 RGB)))
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(b-size (scale size 0.1))
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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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(old-fg (car (gimp-palette-get-foreground))))
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(gimp-image-undo-disable img)
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(gimp-drawable-set-name text-layer text)
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(gimp-palette-set-foreground text-color)
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(gimp-layer-set-preserve-trans text-layer TRUE)
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(gimp-edit-fill text-layer FOREGROUND-FILL)
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(gimp-palette-set-foreground old-fg)
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(apply-blended-logo-effect img text-layer b-size bg-color
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blend-mode blend-fg blend-bg
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blend-gradient blend-gradient-reverse)
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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-blended-logo"
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_"<Toolbox>/Xtns/Script-Fu/Logos/Blen_ded..."
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"Creates logos with blended backgrounds, highlights, and shadows"
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"Spencer Kimball"
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"Spencer Kimball"
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"1996"
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""
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SF-STRING _"Text" "The GIMP"
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SF-ADJUSTMENT _"Font size (pixels)" '(150 2 1000 1 10 0 1)
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SF-FONT _"Font" "Crillee"
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SF-COLOR _"Text color" '(124 174 255)
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SF-COLOR _"Background color" '(255 255 255)
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SF-OPTION _"Blend mode" '(_"FG-BG-RGB"
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_"FG-BG-HSV"
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_"FG-Transparent"
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_"Custom Gradient")
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SF-COLOR _"Start blend" '(22 9 129)
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SF-COLOR _"End blend" '(129 9 82)
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SF-GRADIENT _"Gradient" "Golden"
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SF-TOGGLE _"Gradient reverse" FALSE)
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