| 1 | ;------------------------------------------------------------ |
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| 2 | ;+ |
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| 3 | ; |
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| 4 | ; @file_comments |
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| 5 | ; Allows to save the palette which is on the screen |
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| 6 | ; in a same type file than the one gven by default in IDL |
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| 7 | ; 'colors1.tbl'. |
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| 8 | ; |
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| 9 | ; @categories color |
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| 10 | ; |
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| 11 | ; @param namepal {in}{required} |
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| 12 | ; a string containing the name of the new palette we want to write. |
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| 13 | ; |
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| 14 | ; @keyword OVER |
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| 15 | ; the number of the palette we want to replace |
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| 16 | ; |
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| 17 | ; @keyword FILE {default='palette.tbl'} |
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| 18 | ; The file containing the color palettes. It can be in any directory of the !path. |
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| 19 | ; |
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| 20 | ; @keyword _EXTRA |
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| 21 | ; Used to pass modifyct keywords |
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| 22 | ; |
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| 23 | ; @history Guillaume Roulet (gr@lodyc.jussieu.fr) |
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| 24 | ; 30/3/1999 s.masson, add _extra, research of the full name, OVER |
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| 25 | ; 5/5/1999 s.masson |
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| 26 | ; |
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| 27 | ; @version $Id$ |
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| 28 | ; |
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| 29 | ;- |
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| 30 | ;------------------------------------------------------------ |
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| 31 | pro newpalette, namepal, FILE = file, OVER = over, _EXTRA = ex |
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| 32 | ; |
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| 33 | compile_opt idl2, strictarrsubs |
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| 34 | ; |
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| 35 | ; definition of the name of the file containing colors palettes. |
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| 36 | if keyword_set(file) then nametbl = file ELSE nametbl = 'palette.tbl' |
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| 37 | ; What is the full adress of nametbl? |
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| 38 | homedir = isadirectory(homedir, title = 'select MyIDL directory') |
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| 39 | namesave = nametbl |
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| 40 | nametbl = find(nametbl) |
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| 41 | if nametbl[0] NE 'NOT FOUND' then begin |
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| 42 | nametbl = nametbl[0] |
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| 43 | nameshort = file_basename(nametbl) |
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| 44 | ; is nametbl belongs to the same effective user ID (UID) as the IDL process? |
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| 45 | IF !d.name EQ 'X' THEN BEGIN ; works only for unix tye machine |
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| 46 | IF file_test(nametbl, /user) NE 1 THEN BEGIN |
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| 47 | noanswer = report('The file '+nametbl+' is not yours... Do you want to copy '+nameshort+' in your MyIDL diectory: '+homedir+' ?', /default_no, /question) |
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| 48 | IF noanswer THEN return ELSE BEGIN |
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| 49 | file_copy, nametbl, homedir ; copy the file |
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| 50 | nametbl = homedir + nametbl ; update its name |
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| 51 | ENDELSE |
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| 52 | ENDIF |
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| 53 | ENDIF |
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| 54 | ; no file nametbl found |
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| 55 | ENDIF ELSE BEGIN |
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| 56 | nametbl = file_basename(namesave) ; get back the original nametbl |
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| 57 | noanswer = report('The file '+nametbl+' was not found !path directories... Do you want to create such a file in your MyIDL diectory: '+homedir+' ?', /default_no, /question) |
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| 58 | if NOT noanswer then return |
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| 59 | nameorg = filepath('colors1.tbl', subdir = ['resource', 'colors']) |
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| 60 | file_copy, nameorg, homedir |
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| 61 | ENDELSE |
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| 62 | ; is nametbl writable? |
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| 63 | IF file_test(nametbl, /write) NE 1 THEN file_chmod, nametbl, /u_write |
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| 64 | ; make sure that we will really use nametbl name even if _EXTRA keyword is used |
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| 65 | if n_elements(ex) NE 0 then $ |
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| 66 | if (where(tag_names(ex) EQ 'FILE'))[0] NE -1 then ex.FILE = nametbl |
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| 67 | ; |
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| 68 | tvlct, r, g, b, /get |
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| 69 | r = congrid(r, 256) |
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| 70 | g = congrid(g, 256) |
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| 71 | b = congrid(b, 256) |
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| 72 | IF n_elements(over) EQ 0 then over = 255 |
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| 73 | modifyct, over, namepal, r, g, b, file = nametbl, _extra = ex |
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| 74 | ; |
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| 75 | return |
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| 76 | end |
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