Gimp/plug-ins/script-fu/scripts/glossy.scm

; glossy-patterned-shadowed-and-bump-mapped-logo
; creates anything you can create with it :)
; (use it wisely, use it in peace...)
;
; GIMP - The GNU Image Manipulation Program
; Copyright (C) 1995 Spencer Kimball and Peter Mattis
;
; glossy gives a glossy outlook to your fonts (unlogical name, isn't it?)
; Copyright (C) 1998 Hrvoje Horvat
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, write to the Free Software
; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

(define (apply-glossy-logo-effect img
                                  logo-layer
                                  blend-gradient-text
                                  blend-gradient-text-reverse
                                  blend-gradient-outline
                                  blend-gradient-outline-reverse
                                  grow-size
                                  bg-color
                                  use-pattern-text
                                  pattern-text
                                  use-pattern-outline
                                  pattern-outline
                                  use-pattern-overlay
                                  pattern-overlay
                                  noninteractive
                                  shadow-toggle
                                  s-offset-x
                                  s-offset-y)
  (let* (
        (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))))
        (bg-layer (car (gimp-layer-new img width height RGB-IMAGE "Background" 100 NORMAL-MODE)))
        (grow-me (car (gimp-layer-copy logo-layer TRUE)))
        (dont-drop-me 0)
        )

    (gimp-context-push)

    (script-fu-util-image-resize-from-layer img logo-layer)
    (gimp-drawable-set-name grow-me "Grow-me")
    (gimp-image-add-layer img grow-me 1)
    (gimp-layer-translate grow-me posx posy)
    (gimp-image-add-layer img bg-layer 2)

    (gimp-context-set-background bg-color)
    (gimp-selection-all img)
    (gimp-edit-bucket-fill bg-layer BG-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
    (gimp-selection-none img)

    (gimp-selection-layer-alpha logo-layer)

; if we are going to use transparent gradients for text, we will (maybe) need to uncomment this
; this clears black letters first so you don't end up with black where the transparent should be
;    (gimp-edit-clear img logo-layer)

    (if (= use-pattern-text TRUE)
      (begin
        (gimp-context-set-pattern pattern-text)
        (gimp-edit-bucket-fill logo-layer
                               PATTERN-BUCKET-FILL NORMAL-MODE 100 0 FALSE 0 0)
      )
    )

    (if (= use-pattern-text FALSE)
      (begin
        (gimp-context-set-gradient blend-gradient-text)

        (gimp-edit-blend logo-layer CUSTOM-MODE NORMAL-MODE
                         GRADIENT-LINEAR 100 0 REPEAT-NONE
                         blend-gradient-text-reverse
                         FALSE 0 0 TRUE
                         0 0 0 (+ height 5))
      )
    )

    (gimp-selection-none img)

    (gimp-selection-layer-alpha grow-me)
    (gimp-selection-grow img grow-size)

; if we are going to use transparent gradients for outline, we will (maybe) need to uncomment this
; I didn't put it in the options because there are already enough settings there and anyway, transparent
; gradients will be used very rarely (if ever)
;    (gimp-edit-clear img grow-me)

    (if (= use-pattern-outline TRUE)
      (begin
        (gimp-context-set-pattern pattern-outline)
        (gimp-edit-bucket-fill grow-me
                               PATTERN-BUCKET-FILL NORMAL-MODE 100
                               0 FALSE 0 0)
      )
    )

    (if (= use-pattern-outline FALSE)
      (begin
        (gimp-context-set-gradient blend-gradient-outline)

        (gimp-edit-blend grow-me CUSTOM-MODE NORMAL-MODE
                         GRADIENT-LINEAR 100 0 REPEAT-NONE
                         blend-gradient-outline-reverse
                         FALSE 0 0 TRUE
                         0 0 0 (+ height 5))
      )
    )

    (gimp-selection-none img)

    (plug-in-bump-map (if (= noninteractive TRUE)
			  RUN-NONINTERACTIVE
			  RUN-INTERACTIVE)
		      img grow-me logo-layer
                      110.0 45.0 3 0 0 0 0 TRUE FALSE 0)
    (gimp-layer-set-mode logo-layer SCREEN-MODE)

    (if (= use-pattern-overlay TRUE)
      (begin
        (gimp-selection-layer-alpha grow-me)
        (gimp-context-set-pattern pattern-overlay)
        (gimp-edit-bucket-fill grow-me PATTERN-BUCKET-FILL
                               OVERLAY-MODE 100 0 FALSE 0 0)
        (gimp-selection-none img)
      )
    )

    (if (= shadow-toggle TRUE)
      (begin
        (gimp-selection-layer-alpha logo-layer)
        (set! dont-drop-me (car (script-fu-drop-shadow img logo-layer
                                                       s-offset-x s-offset-y
                                                       15 '(0 0 0) 80 TRUE)))
        (set! width (car (gimp-image-width img)))
        (set! height (car (gimp-image-height img)))
        (gimp-selection-none img)
      )
    )

    (gimp-context-pop)
  )
)


(define (script-fu-glossy-logo-alpha img
                                     logo-layer
                                     blend-gradient-text
                                     blend-gradient-text-reverse
                                     blend-gradient-outline
                                     blend-gradient-outline-reverse
                                     grow-size
                                     bg-color
                                     use-pattern-text
                                     pattern-text
                                     use-pattern-outline
                                     pattern-outline
                                     use-pattern-overlay
                                     pattern-overlay
                                     noninteractive
                                     shadow-toggle
                                     s-offset-x
                                     s-offset-y)
  (begin
    (gimp-image-undo-group-start img)
    (apply-glossy-logo-effect img logo-layer
                              blend-gradient-text
                              blend-gradient-text-reverse
                              blend-gradient-outline
                              blend-gradient-outline-reverse
                              grow-size bg-color
                              use-pattern-text pattern-text
                              use-pattern-outline pattern-outline
                              use-pattern-overlay pattern-overlay
                              noninteractive shadow-toggle
                              s-offset-x s-offset-y)
    (gimp-image-undo-group-end img)
    (gimp-displays-flush)
  )
)


(script-fu-register "script-fu-glossy-logo-alpha"
  _"Glo_ssy..."
  _"Add gradients, patterns, shadows, and bump maps to the selected region (or alpha)"
  "Hrvoje Horvat (hhorvat@open.hr)"
  "Hrvoje Horvat"
  "14/04/1998"
  "RGBA"
  SF-IMAGE      "Image"                     0
  SF-DRAWABLE   "Drawable"                  0
  SF-GRADIENT   _"Blend gradient (text)"    "Shadows 2"
  SF-TOGGLE     _"Text gradient reverse"    FALSE
  SF-GRADIENT   _"Blend gradient (outline)" "Shadows 2"
  SF-TOGGLE     _"Outline gradient reverse" FALSE
  SF-ADJUSTMENT _"Outline size"             '(5 0 250 1 10 0 1)
  SF-COLOR      _"Background color"         "white"
  SF-TOGGLE     _"Use pattern for text instead of gradient" FALSE
  SF-PATTERN    _"Pattern (text)"           "Electric Blue"
  SF-TOGGLE     _"Use pattern for outline instead of gradient" FALSE
  SF-PATTERN    _"Pattern (outline)"        "Electric Blue"
  SF-TOGGLE     _"Use pattern overlay"      FALSE
  SF-PATTERN    _"Pattern (overlay)"        "Parque #1"
  SF-TOGGLE     _"Default bumpmap settings" TRUE
  SF-TOGGLE     _"Shadow"                   TRUE
  SF-ADJUSTMENT _"Shadow X offset"          '(8 0 100 1 10 0 1)
  SF-ADJUSTMENT _"Shadow Y offset"          '(8 0 100 1 10 0 1)
)

(script-fu-menu-register "script-fu-glossy-logo-alpha"
                         "<Image>/Filters/Alpha to Logo")


(define (script-fu-glossy-logo text
                               size
                               font
                               blend-gradient-text
                               blend-gradient-text-reverse
                               blend-gradient-outline
                               blend-gradient-outline-reverse
                               grow-size
                               bg-color
                               use-pattern-text
                               pattern-text
                               use-pattern-outline
                               pattern-outline
                               use-pattern-overlay
                               pattern-overlay
                               noninteractive
                               shadow-toggle
                               s-offset-x
                               s-offset-y)
  (let* (
        (img (car (gimp-image-new 256 256 RGB)))
        (text-layer (car (gimp-text-fontname img -1 0 0 text 30 TRUE size PIXELS font)))
        )
    (gimp-image-undo-disable img)
    (apply-glossy-logo-effect img text-layer
                              blend-gradient-text
                              blend-gradient-text-reverse
                              blend-gradient-outline
                              blend-gradient-outline-reverse
                              grow-size bg-color
                              use-pattern-text pattern-text
                              use-pattern-outline pattern-outline
                              use-pattern-overlay pattern-overlay
                              noninteractive shadow-toggle
                              s-offset-x s-offset-y)
    (gimp-image-undo-enable img)
    (gimp-display-new img)
  )
)

(script-fu-register "script-fu-glossy-logo"
  _"Glo_ssy..."
  _"Create a logo with gradients, patterns, shadows, and bump maps"
  "Hrvoje Horvat (hhorvat@open.hr)"
  "Hrvoje Horvat"
  "14/04/1998"
  ""
  SF-STRING     _"Text"                     "Galaxy"
  SF-ADJUSTMENT _"Font size (pixels)"       '(100 2 1000 1 10 0 1)
  SF-FONT       _"Font"                     "Eras"
  SF-GRADIENT   _"Blend gradient (text)"    "Shadows 2"
  SF-TOGGLE     _"Text gradient reverse"    FALSE
  SF-GRADIENT   _"Blend gradient (outline)" "Shadows 2"
  SF-TOGGLE     _"Outline gradient reverse" FALSE
  SF-ADJUSTMENT _"Outline size"             '(5 0 250 1 10 0 1)
  SF-COLOR      _"Background color"         "white"
  SF-TOGGLE     _"Use pattern for text instead of gradient" FALSE
  SF-PATTERN    _"Pattern (text)"           "Electric Blue"
  SF-TOGGLE     _"Use pattern for outline instead of gradient" FALSE
  SF-PATTERN    _"Pattern (outline)"        "Electric Blue"
  SF-TOGGLE     _"Use pattern overlay"      FALSE
  SF-PATTERN    _"Pattern (overlay)"        "Parque #1"
  SF-TOGGLE     _"Default bumpmap settings" TRUE
  SF-TOGGLE     _"Shadow"                   TRUE
  SF-ADJUSTMENT _"Shadow X offset"          '(8 0 100 1 10 0 1)
  SF-ADJUSTMENT _"Shadow Y offset"          '(8 0 100 1 10 0 1)
)

(script-fu-menu-register "script-fu-glossy-logo"
                         "<Toolbox>/Xtns/Logos")