/usr/share/gnudatalanguage/lib/read_xwd.pro is in libgnudatalanguage0 0.9.7-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | function READ_XWD, filename, red, green, blue
;+
;
; NAME: READ_XWD
;
;
; PURPOSE: Reads a X Windows Dump file into memory
;
; CATEGORY: Images (IO)
;
; CALLING SEQUENCE: image=read_xwd(filename,red,green,blue)
;
; OUTPUTS:
; IMAGE: A 2d file containing the vector indices
;
; OPTIONAL OUTPUTS:
; red : the Red colormap vector (for PseudoColor images)
; green: the Green colormap vector (for PseudoColor images)
; blue : the Blue colormap vector (for PseudoColor images)
;
;
; RESTRICTIONS:
; Requires ImageMagick
;
; PROCEDURE:
; Use ImageMagick to read the data as requested
;
; EXAMPLE:
;
; MODIFICATION HISTORY:
; Written by: Christopher Lee 2004-05-17
; 2011-Nov-15, Alain Coulais : do we try to read a real file ?!
;
;-
; LICENCE:
; Copyright (C) 2004, 2011
; 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.
;
;-
;
ON_ERROR, 2
;
; this line allows to compile also in IDL ...
FORWARD_FUNCTION MAGICK_EXISTS
;
if KEYWORD_SET(help) then begin
print, 'function READ_XWD, filename, red, green, blue, $'
print, ' verbose=verbose, help=help, test=test'
return, -1
endif
;
; Do we have access to ImageMagick functionnalities ??
;
if (MAGICK_EXISTS() EQ 0) then begin
MESSAGE, /continue, "GDL was compiled without ImageMagick support."
MESSAGE, "You must have ImageMagick support to use this functionaly."
endif
;
if (N_PARAMS() EQ 0) then MESSAGE, "Incorrect number of arguments."
if (N_ELEMENTS(filename) GT 1) then MESSAGE, "Only one file at once !"
if (STRLEN(filename) EQ 0) then MESSAGE, "Null filename not allowed."
if ((FILE_INFO(filename)).exists EQ 0) then MESSAGE, "Error opening file. File: "+filename
if (FILE_TEST(filename, /regular) EQ 0) then MESSAGE, "Not a regular File: "+filename
;
; starting effective reading !
;
mid=MAGICK_OPEN(filename)
;
print, magick_IndexedColor(mid)
if (MAGICK_INDEXEDCOLOR(mid)) then begin
image=MAGICK_READINDEXES(mid)
MAGICK_READCOLORMAPRGB, mid, red, green, blue
endif else begin
image=MAGICK_READ(mid)
endelse
;
MAGICK_CLOSE, mid
;
return, image
;
end
|