1 | ;------------------------------------------------------------ |
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2 | ;+ |
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3 | ; |
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4 | ; @file_comments |
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5 | ; Fastest than type loadct, file = 'palette.tbl' |
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6 | ; |
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7 | ; @categories |
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8 | ; Graphics, Color |
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9 | ; |
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10 | ; @param numpal {in}{optional} |
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11 | ; number of the color palette we want to select in the file palette.tbl |
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12 | ; |
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13 | ; @keyword LIGHTNESS |
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14 | ; a scalar used to change the Lightness of the color |
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15 | ; palette to be able to adjust according to the printer we use, |
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16 | ; the media (paper or slide)... |
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17 | ; lightness < 1 to get lighter colors |
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18 | ; > 1 to get darker colors |
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19 | ; |
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20 | ; @keyword FILE {default='palette.tbl'} |
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21 | ; The file containing the color palette. It can be in any directory of the !path |
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22 | ; |
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23 | ; @keyword GET_NAME |
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24 | ; Set this keyword to a named variable in which the names of the color tables |
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25 | ; are returned as a string array. No changes are made to the color table. |
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26 | ; |
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27 | ; @keyword _EXTRA |
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28 | ; Used to pass loadct keywords |
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29 | ; |
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30 | ; @history |
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31 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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32 | ; 30/3/1999: add extra |
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33 | ; 6/7/1999: mac/windows compatibility |
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34 | ; |
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35 | ; @version $Id$ |
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36 | ; |
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37 | ;- |
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38 | ;------------------------------------------------------------ |
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39 | PRO lct, numpal, FILE = file, GET_NAME = get_name, LIGHTNESS = Lightness, _EXTRA = ex |
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40 | ; |
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41 | compile_opt idl2, strictarrsubs |
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42 | ; |
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43 | ; definition of the name of the file containing colors palettes. |
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44 | if keyword_set(file) then nametbl = file ELSE nametbl = 'palette.tbl' |
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45 | ; What is the full address of nametbl? |
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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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61 | ; we test all possible name in order to find where file is. |
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62 | nfile = n_elements(nametbl) |
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63 | n = 0 |
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64 | repeat begin |
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65 | res = findfile(nametbl[n]) |
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66 | n = n+1 |
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67 | endrep until res[0] NE '' OR n EQ n_elements(nametbl) |
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68 | if res[0] NE '' then BEGIN |
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69 | nametbl = nametbl[n-1] |
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70 | if n_elements(ex) NE 0 then $ |
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71 | if (where(tag_names(ex) EQ 'FILE'))[0] NE -1 then ex.FILE = nametbl |
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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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73 | oldname = !d.name |
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74 | if !d.name EQ 'PS' OR !d.name EQ 'Z' then BEGIN |
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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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87 | ; |
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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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92 | ENDIF ELSE BEGIN |
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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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95 | ENDELSE |
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96 | ; |
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97 | if oldname EQ 'PS' AND keyword_set(lightness) then palit, lightness |
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98 | ; |
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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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105 | |
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106 | ENDIF ELSE ras = report('The file containing the color palettes doesn''t exist...') |
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107 | |
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108 | return |
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109 | end |
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