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path: root/modules/graphics/macros/rgb2name.sci
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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution.  The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt

function r=rgb2name(r,g,b)

    [lhs,rhs]=argn(0)
    if rhs==1 then
        if (type(r)<>1 & size(r,"*")<>3) then
            error(msprintf(gettext("%s: Wrong type for input argument #%d: A vector of 3 integers expected.\n"),"rgb2name",1));
        end
        b=r(3); g=r(2); r=r(1);
    elseif rhs==3 then
        if (type(r)<>1 | type(g)<>1 | type(b)<>1 | size(r,"*")<>1 | size(g,"*")<>1 | size(b,"*")<>1) then
            error(msprintf(gettext("%s: Wrong type for input arguments #%d, #%d and #%d: Scalars expected.\n"),"rgb2name", 1, 2, 3));
        end
    else
        error(msprintf(gettext("%s: Wrong number of input arguments: %d or %d expected.\n"),"rgb2name",1,3));
    end
    if (r>255 | r<0) then
        error(msprintf(gettext("%s: Wrong value for input argument #%d: must be in the interval [%d, %d].\n"),"rgb2name",1,0,255));
    end
    if (g>255 | g<0) then
        error(msprintf(gettext("%s: Wrong value for input argument #%d: must be in the interval [%d, %d].\n"),"rgb2name",2,0,255));
    end
    if (b>255 | b<0) then
        error(msprintf(gettext("%s: Wrong value for input argument #%d: must be in the interval [%d, %d].\n"),"rgb2name",3,0,255));
    end

    names=[
    "scilab blue4"
    "scilabblue4"
    "scilab blue3"
    "scilabblue3"
    "scilab blue2"
    "scilabblue2"
    "scilab green4"
    "scilabgreen4"
    "scilab green3"
    "scilabgreen3"
    "scilab green2"
    "scilabgreen2"
    "scilab cyan4"
    "scilabcyan4"
    "scilab cyan3"
    "scilabcyan3"
    "scilab cyan2"
    "scilabcyan2"
    "scilab red4"
    "scilabred4"
    "scilab red3"
    "scilabred3"
    "scilab red2"
    "scilabred2"
    "scilab magenta4"
    "scilabmagenta4"
    "scilab magenta3"
    "scilabmagenta3"
    "scilab magenta2"
    "scilabmagenta2"
    "scilab brown4"
    "scilabbrown4"
    "scilab brown3"
    "scilabbrown3"
    "scilab brown2"
    "scilabbrown2"
    "scilab pink4"
    "scilabpink4"
    "scilab pink3"
    "scilabpink3"
    "scilab pink2"
    "scilabpink2"
    "scilab pink"
    "scilabpink"
    "snow"
    "ghost white"
    "ghostwhite"
    "white smoke"
    "whitesmoke"
    "gainsboro"
    "floral white"
    "floralwhite"
    "old lace"
    "oldlace"
    "linen"
    "antique white"
    "antiquewhite"
    "papaya whip"
    "papayawhip"
    "blanched almond"
    "blanchedalmond"
    "bisque"
    "peach puff"
    "peachpuff"
    "navajo white"
    "navajowhite"
    "moccasin"
    "cornsilk"
    "ivory"
    "lemon chiffon"
    "lemonchiffon"
    "seashell"
    "honeydew"
    "mint cream"
    "mintcream"
    "azure"
    "alice blue"
    "aliceblue"
    "lavender"
    "lavender blush"
    "lavenderblush"
    "misty rose"
    "mistyrose"
    "white"
    "black"
    "dark slate gray"
    "darkslategray"
    "dark slate grey"
    "darkslategrey"
    "dim gray"
    "dimgray"
    "dim grey"
    "dimgrey"
    "slate gray"
    "slategray"
    "slate grey"
    "slategrey"
    "light slate gray"
    "lightslategray"
    "light slate grey"
    "lightslategrey"
    "gray"
    "grey"
    "light grey"
    "lightgrey"
    "light gray"
    "lightgray"
    "midnight blue"
    "midnightblue"
    "navy"
    "navy blue"
    "navyblue"
    "cornflower blue"
    "cornflowerblue"
    "dark slate blue"
    "darkslateblue"
    "slate blue"
    "slateblue"
    "medium slate blue"
    "mediumslateblue"
    "light slate blue"
    "lightslateblue"
    "medium blue"
    "mediumblue"
    "royal blue"
    "royalblue"
    "blue"
    "dodger blue"
    "dodgerblue"
    "deep sky blue"
    "deepskyblue"
    "sky blue"
    "skyblue"
    "light sky blue"
    "lightskyblue"
    "steel blue"
    "steelblue"
    "light steel blue"
    "lightsteelblue"
    "light blue"
    "lightblue"
    "powder blue"
    "powderblue"
    "pale turquoise"
    "paleturquoise"
    "dark turquoise"
    "darkturquoise"
    "medium turquoise"
    "mediumturquoise"
    "turquoise"
    "cyan"
    "light cyan"
    "lightcyan"
    "cadet blue"
    "cadetblue"
    "medium aquamarine"
    "mediumaquamarine"
    "aquamarine"
    "dark green"
    "darkgreen"
    "dark olive green"
    "darkolivegreen"
    "dark sea green"
    "darkseagreen"
    "sea green"
    "seagreen"
    "medium sea green"
    "mediumseagreen"
    "light sea green"
    "lightseagreen"
    "pale green"
    "palegreen"
    "spring green"
    "springgreen"
    "lawn green"
    "lawngreen"
    "green"
    "chartreuse"
    "medium spring green"
    "mediumspringgreen"
    "green yellow"
    "greenyellow"
    "lime green"
    "limegreen"
    "yellow green"
    "yellowgreen"
    "forest green"
    "forestgreen"
    "olive drab"
    "olivedrab"
    "dark khaki"
    "darkkhaki"
    "khaki"
    "pale goldenrod"
    "palegoldenrod"
    "light goldenrod yellow"
    "lightgoldenrodyellow"
    "light yellow"
    "lightyellow"
    "yellow"
    "gold"
    "light goldenrod"
    "lightgoldenrod"
    "goldenrod"
    "dark goldenrod"
    "darkgoldenrod"
    "rosy brown"
    "rosybrown"
    "indian red"
    "indianred"
    "saddle brown"
    "saddlebrown"
    "sienna"
    "peru"
    "burlywood"
    "beige"
    "wheat"
    "sandy brown"
    "sandybrown"
    "tan"
    "chocolate"
    "firebrick"
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    205   0 205
    139   0 139
    255 131 250
    238 122 233
    205 105 201
    139  71 137
    255 187 255
    238 174 238
    205 150 205
    139 102 139
    224 102 255
    209  95 238
    180  82 205
    122  55 139
    191  62 255
    178  58 238
    154  50 205
    104  34 139
    155  48 255
    145  44 238
    125  38 205
    85  26 139
    171 130 255
    159 121 238
    137 104 205
    93  71 139
    255 225 255
    238 210 238
    205 181 205
    139 123 139
    0   0   0
    0   0   0
    3   3   3
    3   3   3
    5   5   5
    5   5   5
    8   8   8
    8   8   8
    10  10  10
    10  10  10
    13  13  13
    13  13  13
    15  15  15
    15  15  15
    18  18  18
    18  18  18
    20  20  20
    20  20  20
    23  23  23
    23  23  23
    26  26  26
    26  26  26
    28  28  28
    28  28  28
    31  31  31
    31  31  31
    33  33  33
    33  33  33
    36  36  36
    36  36  36
    38  38  38
    38  38  38
    41  41  41
    41  41  41
    43  43  43
    43  43  43
    46  46  46
    46  46  46
    48  48  48
    48  48  48
    51  51  51
    51  51  51
    54  54  54
    54  54  54
    56  56  56
    56  56  56
    59  59  59
    59  59  59
    61  61  61
    61  61  61
    64  64  64
    64  64  64
    66  66  66
    66  66  66
    69  69  69
    69  69  69
    71  71  71
    71  71  71
    74  74  74
    74  74  74
    77  77  77
    77  77  77
    79  79  79
    79  79  79
    82  82  82
    82  82  82
    84  84  84
    84  84  84
    87  87  87
    87  87  87
    89  89  89
    89  89  89
    92  92  92
    92  92  92
    94  94  94
    94  94  94
    97  97  97
    97  97  97
    99  99  99
    99  99  99
    102 102 102
    102 102 102
    105 105 105
    105 105 105
    107 107 107
    107 107 107
    110 110 110
    110 110 110
    112 112 112
    112 112 112
    115 115 115
    115 115 115
    117 117 117
    117 117 117
    120 120 120
    120 120 120
    122 122 122
    122 122 122
    125 125 125
    125 125 125
    127 127 127
    127 127 127
    130 130 130
    130 130 130
    133 133 133
    133 133 133
    135 135 135
    135 135 135
    138 138 138
    138 138 138
    140 140 140
    140 140 140
    143 143 143
    143 143 143
    145 145 145
    145 145 145
    148 148 148
    148 148 148
    150 150 150
    150 150 150
    153 153 153
    153 153 153
    156 156 156
    156 156 156
    158 158 158
    158 158 158
    161 161 161
    161 161 161
    163 163 163
    163 163 163
    166 166 166
    166 166 166
    168 168 168
    168 168 168
    171 171 171
    171 171 171
    173 173 173
    173 173 173
    176 176 176
    176 176 176
    179 179 179
    179 179 179
    181 181 181
    181 181 181
    184 184 184
    184 184 184
    186 186 186
    186 186 186
    189 189 189
    189 189 189
    191 191 191
    191 191 191
    194 194 194
    194 194 194
    196 196 196
    196 196 196
    199 199 199
    199 199 199
    201 201 201
    201 201 201
    204 204 204
    204 204 204
    207 207 207
    207 207 207
    209 209 209
    209 209 209
    212 212 212
    212 212 212
    214 214 214
    214 214 214
    217 217 217
    217 217 217
    219 219 219
    219 219 219
    222 222 222
    222 222 222
    224 224 224
    224 224 224
    227 227 227
    227 227 227
    229 229 229
    229 229 229
    232 232 232
    232 232 232
    235 235 235
    235 235 235
    237 237 237
    237 237 237
    240 240 240
    240 240 240
    242 242 242
    242 242 242
    245 245 245
    245 245 245
    247 247 247
    247 247 247
    250 250 250
    250 250 250
    252 252 252
    252 252 252
    255 255 255
    255 255 255
    169 169 169
    169 169 169
    169 169 169
    169 169 169
    0     0 139
    0     0 139
    0   139 139
    0   139 139
    139   0 139
    139   0 139
    139   0   0
    139   0   0
    144 238 144
    144 238 144
    ];

    k=find(rgb(:,1)==r & rgb(:,2)==g & rgb(:, 3)==b)
    if k==[] then
        r=[];
    else
        r=names(k);
    end

endfunction