[2] | 1 | ;+ |
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| 2 | ; |
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[231] | 3 | ; @file_comments |
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[137] | 4 | ; Fastest than type loadct, file = 'palette.tbl' |
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[2] | 5 | ; |
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[231] | 6 | ; @categories |
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[157] | 7 | ; Graphics, Color |
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[2] | 8 | ; |
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[137] | 9 | ; @param numpal {in}{optional} |
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| 10 | ; number of the color palette we want to select in the file palette.tbl |
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[2] | 11 | ; |
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[231] | 12 | ; @keyword LIGHTNESS |
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[137] | 13 | ; a scalar used to change the Lightness of the color |
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[163] | 14 | ; palette to be able to adjust according to the printer we use, |
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[231] | 15 | ; the media (paper or slide)... |
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[19] | 16 | ; lightness < 1 to get lighter colors |
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| 17 | ; > 1 to get darker colors |
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| 18 | ; |
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[137] | 19 | ; @keyword FILE {default='palette.tbl'} |
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| 20 | ; The file containing the color palette. It can be in any directory of the !path |
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[2] | 21 | ; |
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[137] | 22 | ; @keyword GET_NAME |
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| 23 | ; Set this keyword to a named variable in which the names of the color tables |
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[163] | 24 | ; are returned as a string array. No changes are made to the color table. |
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[133] | 25 | ; |
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[137] | 26 | ; @keyword _EXTRA |
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[232] | 27 | ; Used to pass keywords to <proidl>loadct</proidl> |
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[133] | 28 | ; |
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[137] | 29 | ; @history |
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| 30 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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| 31 | ; 30/3/1999: add extra |
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| 32 | ; 6/7/1999: mac/windows compatibility |
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[133] | 33 | ; |
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[231] | 34 | ; @version |
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| 35 | ; $Id$ |
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[133] | 36 | ; |
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[2] | 37 | ;- |
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[231] | 38 | ; |
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[133] | 39 | PRO lct, numpal, FILE = file, GET_NAME = get_name, LIGHTNESS = Lightness, _EXTRA = ex |
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[114] | 40 | ; |
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| 41 | compile_opt idl2, strictarrsubs |
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| 42 | ; |
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[133] | 43 | ; definition of the name of the file containing colors palettes. |
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[137] | 44 | if keyword_set(file) then nametbl = file ELSE nametbl = 'palette.tbl' |
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[136] | 45 | ; What is the full address of nametbl? |
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[137] | 46 | thisOS = strupcase(strmid(!version.os_family, 0, 3)) |
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| 47 | CASE thisOS of |
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| 48 | 'MAC':BEGIN & sep = ':' & pathsep = ',' & end |
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| 49 | 'WIN':BEGIN & sep = '\' & pathsep = ';' & end |
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| 50 | ELSE: BEGIN & sep = '/' & pathsep = ':' & end |
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| 51 | ENDCASE |
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| 52 | cd, current = current |
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| 53 | if strpos(nametbl, sep) lt 0 then BEGIN |
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| 54 | if rstrpos(current, sep) NE strlen(current)-1 then current = current+sep |
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| 55 | multipath = str_sep(!path, pathsep) |
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| 56 | for i = 0, n_elements(multipath)-1 do $ |
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| 57 | if rstrpos(multipath[i], sep) NE strlen(multipath[i])-1 then $ |
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| 58 | multipath[i] = multipath[i] +sep |
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| 59 | nametbl = [current, multipath]+ nametbl |
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| 60 | ENDIF |
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[133] | 61 | ; we test all possible name in order to find where file is. |
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[137] | 62 | nfile = n_elements(nametbl) |
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| 63 | n = 0 |
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| 64 | repeat begin |
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[231] | 65 | res = findfile(nametbl[n]) |
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[137] | 66 | n = n+1 |
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[231] | 67 | endrep until res[0] NE '' OR n EQ n_elements(nametbl) |
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[137] | 68 | if res[0] NE '' then BEGIN |
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| 69 | nametbl = nametbl[n-1] |
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[231] | 70 | if n_elements(ex) NE 0 then $ |
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[137] | 71 | if (where(tag_names(ex) EQ 'FILE'))[0] NE -1 then ex.FILE = nametbl |
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[133] | 72 | ; if we are in POSTSCRIPT mode, we have to pass in X mode in order to change the color palette |
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[137] | 73 | oldname = !d.name |
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[231] | 74 | if !d.name EQ 'PS' OR !d.name EQ 'Z' then BEGIN |
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[137] | 75 | thisOS = !VERSION.OS_FAMILY |
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| 76 | thisOS = STRMID(thisOS, 0, 3) |
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| 77 | thisOS = STRUPCASE(thisOS) |
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| 78 | CASE thisOS of |
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| 79 | 'MAC': SET_PLOT, thisOS |
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| 80 | 'WIN': SET_PLOT, thisOS |
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| 81 | ELSE: SET_PLOT, 'X' |
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| 82 | ENDCASE |
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| 83 | !p.BACKGROUND = (!d.n_colors-1) < 255 |
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| 84 | !p.color = 0 |
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| 85 | if !d.n_colors gt 256 then !p.background = 'ffffff'x |
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| 86 | ENDIF |
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[2] | 87 | ; |
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[137] | 88 | if arg_present(get_name) then begin |
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| 89 | if n_elements(numpal) EQ 0 then $ |
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| 90 | loadct, file = nametbl, GET_NAME = get_name, _EXTRA = ex $ |
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| 91 | ELSE loadct, numpal, file = nametbl, /silent, GET_NAME = get_name, _EXTRA = ex |
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[231] | 92 | ENDIF ELSE BEGIN |
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[137] | 93 | if n_elements(numpal) EQ 0 then loadct, file = nametbl, _EXTRA = ex $ |
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| 94 | ELSE loadct, numpal, file = nametbl, /silent, _EXTRA = ex |
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[231] | 95 | ENDELSE |
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[2] | 96 | ; |
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[231] | 97 | if oldname EQ 'PS' AND keyword_set(lightness) then palit, lightness |
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[19] | 98 | ; |
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[137] | 99 | set_plot, oldname |
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| 100 | IF oldname EQ 'X' OR oldname EQ 'MAC' OR oldname EQ 'WIN' then BEGIN |
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| 101 | !p.BACKGROUND = (!d.n_colors-1) < 255 |
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| 102 | !p.color = 0 |
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| 103 | if !d.n_colors gt 256 then !p.background = 'ffffff'x |
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| 104 | ENDIF |
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[2] | 105 | |
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[137] | 106 | ENDIF ELSE ras = report('The file containing the color palettes doesn''t exist...') |
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[2] | 107 | |
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[137] | 108 | return |
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[2] | 109 | end |
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