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GIMP Script-Fu Script  |  2004-09-26  |  6.8 KB  |  185 lines
  1. ;  BLENDED-DROP-SHADOW-LOGO
  2. ;  draw the specified text over a blended background using current gimp fg
  3. ;   and bg colors.  The finished blend has a drop shadow underneath that blends
  4. ;   to the specified bg-color
  5. ;  if the blend colors are specified as high intensity, the sharp option
  6. ;   should be enabled or the logo will come out blurry
  7.  
  8. (define (scale size
  9.            percent)
  10.   (* size percent))
  11.  
  12. (define (apply-blended-logo-effect img
  13.                    logo-layer
  14.                    b-size
  15.                    bg-color
  16.                    blend-mode
  17.                    blend-fg
  18.                    blend-bg
  19.                    blend-gradient
  20.                    blend-gradient-reverse)
  21.   (let* ((b-size-2 (scale b-size 0.5))
  22.      (f-size (scale b-size 0.75))
  23.      (ds-size (scale b-size 0.5))
  24.      (ts-size (- b-size-2 3))
  25.      (width (car (gimp-drawable-width logo-layer)))
  26.      (height (car (gimp-drawable-height logo-layer)))
  27.      (blend-layer (car (gimp-layer-new img
  28.                        width height RGBA-IMAGE
  29.                        "Blend" 100 NORMAL-MODE)))
  30.      (shadow-layer (car (gimp-layer-new img
  31.                         width height RGBA-IMAGE
  32.                         "Shadow" 100 NORMAL-MODE)))
  33.      (text-shadow-layer (car (gimp-layer-new img
  34.                          width height RGBA-IMAGE
  35.                          "Text Shadow" 100 MULTIPLY-MODE)))
  36.      (tsl-layer-mask (car (gimp-layer-create-mask text-shadow-layer
  37.                               ADD-BLACK-MASK)))
  38.      (drop-shadow-layer (car (gimp-layer-new img
  39.                          width height RGBA-IMAGE
  40.                          "Drop Shadow" 100 MULTIPLY-MODE)))
  41.      (dsl-layer-mask (car (gimp-layer-create-mask drop-shadow-layer
  42.                               ADD-BLACK-MASK)))
  43.      (old-fg (car (gimp-palette-get-foreground)))
  44.      (old-bg (car (gimp-palette-get-background)))
  45.      (old-grad (car (gimp-gradients-get-gradient))))
  46.  
  47.     (script-fu-util-image-resize-from-layer img logo-layer)
  48.     (gimp-image-add-layer img shadow-layer 1)
  49.     (gimp-image-add-layer img blend-layer 1)
  50.     (gimp-image-add-layer img drop-shadow-layer 1)
  51.     (gimp-image-add-layer img text-shadow-layer 0)
  52.     (gimp-selection-none img)
  53.     (gimp-edit-clear text-shadow-layer)
  54.     (gimp-edit-clear drop-shadow-layer)
  55.     (gimp-edit-clear blend-layer)
  56.     (gimp-palette-set-background bg-color)
  57.     (gimp-drawable-fill shadow-layer BACKGROUND-FILL)
  58.     (gimp-rect-select img b-size-2 b-size-2 (- width b-size) (- height b-size) CHANNEL-OP-REPLACE TRUE b-size-2)
  59.     (gimp-palette-set-background '(0 0 0))
  60.     (gimp-edit-fill shadow-layer BACKGROUND-FILL)
  61.     (gimp-selection-layer-alpha logo-layer)
  62.     (gimp-layer-add-mask text-shadow-layer tsl-layer-mask)
  63.     (gimp-palette-set-background '(255 255 255))
  64.     (gimp-edit-fill tsl-layer-mask BACKGROUND-FILL)
  65.     (gimp-selection-feather img f-size)
  66.     (gimp-palette-set-background '(63 63 63))
  67.     (gimp-edit-fill drop-shadow-layer BACKGROUND-FILL)
  68.     (gimp-palette-set-background '(0 0 0))
  69.     (gimp-edit-fill text-shadow-layer BACKGROUND-FILL)
  70.     (gimp-palette-set-foreground '(255 255 255))
  71.  
  72.     (gimp-edit-blend text-shadow-layer FG-BG-RGB-MODE NORMAL-MODE
  73.              GRADIENT-SHAPEBURST-ANGULAR 100 0 REPEAT-NONE FALSE
  74.              FALSE 0 0 TRUE
  75.              0 0 1 1)
  76.  
  77.     (gimp-selection-none img)
  78.     (gimp-palette-set-foreground blend-fg)
  79.     (gimp-palette-set-background blend-bg)
  80.     (gimp-gradients-set-gradient blend-gradient)
  81.  
  82.     (gimp-edit-blend blend-layer blend-mode NORMAL-MODE
  83.              GRADIENT-LINEAR 100 0 REPEAT-NONE blend-gradient-reverse
  84.              FALSE 0 0 TRUE
  85.              0 0 width 0)
  86.  
  87.     (gimp-layer-translate logo-layer (- b-size-2) (- b-size-2))
  88.     (gimp-layer-translate blend-layer (- b-size) (- b-size))
  89.     (gimp-layer-translate text-shadow-layer (- ts-size) (- ts-size))
  90.     (gimp-layer-translate drop-shadow-layer ds-size ds-size)
  91.     (gimp-selection-layer-alpha blend-layer)
  92.     (gimp-layer-add-mask drop-shadow-layer dsl-layer-mask)
  93.     (gimp-palette-set-background '(255 255 255))
  94.     (gimp-edit-fill dsl-layer-mask BACKGROUND-FILL)
  95.     (gimp-layer-remove-mask drop-shadow-layer MASK-APPLY)
  96.     (gimp-selection-none img)
  97.     (gimp-palette-set-foreground old-fg)
  98.     (gimp-palette-set-background old-bg)
  99.     (gimp-gradients-set-gradient old-grad)))
  100.  
  101. (define (script-fu-blended-logo-alpha img
  102.                       logo-layer
  103.                       b-size
  104.                       bg-color
  105.                       blend-mode
  106.                       blend-fg
  107.                       blend-bg
  108.                       blend-gradient
  109.                       blend-gradient-reverse)
  110.   (begin
  111.     (gimp-image-undo-group-start img)
  112.     (apply-blended-logo-effect img logo-layer b-size bg-color
  113.                    blend-mode blend-fg blend-bg
  114.                    blend-gradient blend-gradient-reverse)
  115.     (gimp-image-undo-group-end img)
  116.     (gimp-displays-flush)))
  117.  
  118.  
  119. (script-fu-register "script-fu-blended-logo-alpha"
  120.             _"<Image>/Script-Fu/Alpha to Logo/Blen_ded..."
  121.             "Creates logos with blended backgrounds, highlights, and shadows"
  122.             "Spencer Kimball"
  123.             "Spencer Kimball"
  124.             "1996"
  125.             "RGBA"
  126.                     SF-IMAGE      "Image"             0
  127.                     SF-DRAWABLE   "Drawable"          0
  128.             SF-ADJUSTMENT _"Offset (pixels)"  '(15 1 100 1 10 0 1)
  129.             SF-COLOR      _"Background Color" '(255 255 255)
  130.             SF-OPTION     _"Blend Mode"       '(_"FG-BG-RGB"
  131.                             _"FG-BG-HSV"
  132.                             _"FG-Transparent"
  133.                             _"Custom Gradient")
  134.             SF-COLOR      _"Start Blend"      '(22 9 129)
  135.             SF-COLOR      _"End Blend"        '(129 9 82)
  136.             SF-GRADIENT   _"Gradient"         "Golden"
  137.             SF-TOGGLE     _"Gradient Reverse" FALSE)
  138.  
  139. (define (script-fu-blended-logo text
  140.                 size
  141.                 font
  142.                 text-color
  143.                 bg-color
  144.                 blend-mode
  145.                 blend-fg
  146.                 blend-bg
  147.                 blend-gradient
  148.                 blend-gradient-reverse)
  149.   (let* ((img (car (gimp-image-new 256 256 RGB)))
  150.      (b-size (scale size 0.1))
  151.      (text-layer (car (gimp-text-fontname img -1 0 0 text b-size TRUE size PIXELS font)))
  152.      (old-fg (car (gimp-palette-get-foreground))))
  153.     (gimp-image-undo-disable img)
  154.     (gimp-drawable-set-name text-layer text)
  155.     (gimp-palette-set-foreground text-color)
  156.     (gimp-layer-set-preserve-trans text-layer TRUE)
  157.     (gimp-edit-fill text-layer FOREGROUND-FILL)
  158.     (gimp-palette-set-foreground old-fg)
  159.     (apply-blended-logo-effect img text-layer b-size bg-color
  160.                    blend-mode blend-fg blend-bg
  161.                    blend-gradient blend-gradient-reverse)
  162.     (gimp-image-undo-enable img)
  163.     (gimp-display-new img)))
  164.  
  165. (script-fu-register "script-fu-blended-logo"
  166.             _"<Toolbox>/Xtns/Script-Fu/Logos/Blen_ded..."
  167.             "Creates logos with blended backgrounds, highlights, and shadows"
  168.             "Spencer Kimball"
  169.             "Spencer Kimball"
  170.             "1996"
  171.             ""
  172.             SF-STRING     _"Text"               "The GIMP"
  173.             SF-ADJUSTMENT _"Font Size (pixels)" '(150 2 1000 1 10 0 1)
  174.             SF-FONT       _"Font"               "Crillee"
  175.             SF-COLOR      _"Text Color"         '(124 174 255)
  176.             SF-COLOR      _"Background Color"   '(255 255 255)
  177.             SF-OPTION     _"Blend Mode"         '(_"FG-BG-RGB"
  178.                                _"FG-BG-HSV"
  179.                                _"FG-Transparent"
  180.                                _"Custom Gradient")
  181.             SF-COLOR      _"Start Blend"        '(22 9 129)
  182.             SF-COLOR      _"End Blend"          '(129 9 82)
  183.             SF-GRADIENT   _"Gradient"           "Golden"
  184.             SF-TOGGLE     _"Gradient Reverse"   FALSE)
  185.