gimp/plug-ins/script-fu/scripts/asc2img.scm

241 lines
6.5 KiB
Scheme

; Chris Gutteridge / ECS Dept. University of Southampton, England
; "ASCII 2 Image" script for the Gimp.
;
; 8th April 1998
;
; Takes a filename of an ASCII file and converts it to a gimp image.
; Does sensible things to preserve indents (gimp-text strips them)
;
; cjg@ecs.soton.ac.uk
; 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 the function:
(define (script-fu-asc-2-img inFile
inFont
inFontSize
inTextColor
inTrans
inBackColor
inBufferAmount)
(set! old-bg (car (gimp-palette-get-background)))
(set! theImage (car (gimp-image-new 10 10 RGB) ) )
(set! theLayer (car (gimp-layer-new theImage
10
10
RGBA_IMAGE
"layer 1"
100
NORMAL) ) )
(gimp-palette-set-background inBackColor)
(gimp-layer-set-name theLayer "Background")
(gimp-image-add-layer theImage theLayer 0)
(script-fu-asc-2-img-layer theImage theLayer inFile inFont inFontSize
inTextColor inBufferAmount)
(set! theBuffer (* inFontSize (/ inBufferAmount 100) ) )
(set! theImageWidth (+ theImageWidth theBuffer theBuffer ))
(set! theImageHeight (+ theImageHeight theBuffer theBuffer ))
(gimp-image-resize theImage
theImageWidth
theImageHeight
theBuffer
theBuffer)
(gimp-layer-resize theLayer
theImageWidth
theImageHeight
theBuffer
theBuffer)
(gimp-selection-all theImage)
(if (= inTrans TRUE)
(gimp-edit-clear theLayer)
(gimp-edit-fill theLayer BG-IMAGE-FILL)
)
(gimp-selection-none theImage)
(gimp-palette-set-background old-bg)
(gimp-display-new theImage)
(gimp-image-clean-all theImage)
(gimp-displays-flush)
(cons theImage () )
)
(define (script-fu-asc-2-img-layer inImage
inLayer
inFile
inFont
inFontSize
inTextColor)
(set! old-fg (car (gimp-palette-get-foreground)))
(set! theImage inImage)
(set! theLayer inLayer)
(set! theFile (fopen inFile))
(set! otherLayers (cadr (gimp-image-get-layers theImage)))
(set! nLayers (car (gimp-image-get-layers theImage)))
(set! n nLayers)
(gimp-palette-set-foreground inTextColor)
(gimp-selection-none theImage)
(set! theData ())
(set! theIndentList ())
(set! theChar "X")
(while (not (equal? () theChar))
(set! allspaces TRUE)
(set! theIndent 0)
(set! theLine "")
(while (begin (set! theChar (fread 1 theFile))
(and (not (equal? "\n" theChar))
(not (equal? () theChar))
)
)
(cond ( (equal? theChar "\t")
(set! theChar " ")
(if (= allspaces TRUE)
(set! theIndent (+ theIndent 8))
())
)
( (equal? theChar " ")
(if (= allspaces TRUE)
(set! theIndent (+ theIndent 1))
())
)
(TRUE (set! allspaces FALSE))
)
(set! theLine (string-append theLine theChar))
)
(if (= allspaces TRUE)
(set! theLine "")
()
)
(if (and (equal? () theChar)
(equal? "" theLine)
)
()
(begin (set! theData (cons theLine theData))
(set! theIndentList
(cons theIndent theIndentList))
)
)
)
(set! theText (car (gimp-text-fontname theImage
-1
0
0
"X"
0
TRUE
inFontSize
PIXELS
inFont)))
(set! theCharWidth (car (gimp-drawable-width theText) ))
(gimp-edit-cut theText)
(set! theImageHeight 0)
(set! theImageWidth 0)
(cjg-add-text (reverse theData)
(reverse theIndentList)
inFont
inFontSize)
(set! n nLayers)
(gimp-palette-set-foreground old-fg)
(gimp-displays-flush)
)
(define (cjg-add-text inData inIndentList inFont inFontSize)
(if (equal? () inData)
()
(let ((theLine (car inData)) (theIndent (car inIndentList)))
(if (equal? "" theLine)
()
(begin
(set! theText (car (gimp-text-fontname theImage
-1
0
0
(string-append
" " theLine)
0
TRUE
inFontSize
PIXELS
inFont)))
(set! theLineHeight (car (gimp-drawable-height theText) ) )
(gimp-layer-set-offsets theText
(* theCharWidth theIndent)
(+ theImageHeight
(- inFontSize theLineHeight)))
(set! theImageWidth (max
(+ (car (gimp-drawable-width theText) )
(* theCharWidth theIndent))
theImageWidth ))
(if (= (car (gimp-layer-is-floating-sel theText)) TRUE)
(gimp-floating-sel-anchor theText)
()
)
(gimp-layer-set-name theText theLine)
)
)
(set! theImageHeight
(+ theImageHeight inFontSize))
(cjg-add-text (cdr inData) (cdr inIndentList) inFont inFontSize)))
)
; Register the function with the GIMP:
(script-fu-register
"script-fu-asc-2-img"
_"<Toolbox>/Xtns/Script-Fu/Utils/ASCII to Image..."
"Create a new image containing text from a simple text file"
"Chris Gutteridge: cjg@ecs.soton.ac.uk"
"8th April 1998"
"Chris Gutteridge / ECS @ University of Southampton, England"
""
SF-FILENAME _"Filename" "afile"
SF-FONT _"Font" "-*-Charter-*-r-*-*-24-*-*-*-p-*-*-*"
SF-ADJUSTMENT _"Font Size (pixels)" '(45 2 1000 1 10 0 1)
SF-COLOR _"Text Color" '(0 0 0)
SF-TOGGLE _"Transparent Background" FALSE
SF-COLOR _"Background Color" '(255 255 255)
SF-ADJUSTMENT _"Buffer Amount (% Height of Text)" '(35 0 100 1 10 0 0)
)
(script-fu-register
"script-fu-asc-2-img-layer"
_"<Image>/Script-Fu/Utils/ASCII to Image Layer..."
"Create a new layer of text from a simple text file"
"Chris Gutteridge: cjg@ecs.soton.ac.uk"
"30th April 1998"
"Chris Gutteridge / ECS @ University of Southampton, England"
"*"
SF-IMAGE "Image" 0
SF-DRAWABLE "Layer" 0
SF-FILENAME _"Filename" "afile"
SF-FONT _"Font" "-*-Charter-*-r-*-*-24-*-*-*-p-*-*-*"
SF-ADJUSTMENT _"Font Size (pixels)" '(45 2 1000 1 10 0 1)
SF-COLOR _"Text Color" '(0 0 0)
)