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#ifndef __VXD_GAMMA_H__INCLUDED__
#define __VXD_GAMMA_H__INCLUDED__
/*
formula to compute gamma correction (g):
1
g = --------
ln(c)
------
ln(b)
c = chroma value (eg. color/255.f)
b = RGB base color value
*/
/* gamma table computed for chroma(128): */
static const DWORD gamma_table[256] = {
0x00000000, // 0 = 0.000000
0x00001FD7, // 1 = 0.124382
0x00002464, // 2 = 0.142165
0x000027B7, // 3 = 0.155140
0x00002A77, // 4 = 0.165882
0x00002CE0, // 5 = 0.175296
0x00002F0E, // 6 = 0.183820
0x00003113, // 7 = 0.191701
0x000032F7, // 8 = 0.199096
0x000034C3, // 9 = 0.206108
0x0000367A, // 10 = 0.212813
0x00003821, // 11 = 0.219266
0x000039BA, // 12 = 0.225508
0x00003B48, // 13 = 0.231573
0x00003CCB, // 14 = 0.237486
0x00003E46, // 15 = 0.243269
0x00003FBA, // 16 = 0.248940
0x00004127, // 17 = 0.254513
0x0000428F, // 18 = 0.260001
0x000043F2, // 19 = 0.265414
0x00004550, // 20 = 0.270762
0x000046AB, // 21 = 0.276053
0x00004802, // 22 = 0.281294
0x00004957, // 23 = 0.286492
0x00004AA9, // 24 = 0.291651
0x00004BF9, // 25 = 0.296778
0x00004D47, // 26 = 0.301876
0x00004E94, // 27 = 0.306950
0x00004FDF, // 28 = 0.312003
0x00005129, // 29 = 0.317039
0x00005272, // 30 = 0.322062
0x000053BB, // 31 = 0.327073
0x00005502, // 32 = 0.332076
0x0000564A, // 33 = 0.337074
0x00005791, // 34 = 0.342068
0x000058D8, // 35 = 0.347061
0x00005A20, // 36 = 0.352055
0x00005B67, // 37 = 0.357052
0x00005CAF, // 38 = 0.362054
0x00005DF7, // 39 = 0.367062
0x00005F40, // 40 = 0.372079
0x0000608A, // 41 = 0.377106
0x000061D4, // 42 = 0.382144
0x0000631F, // 43 = 0.387196
0x0000646B, // 44 = 0.392262
0x000065B8, // 45 = 0.397344
0x00006706, // 46 = 0.402443
0x00006855, // 47 = 0.407561
0x000069A6, // 48 = 0.412699
0x00006AF8, // 49 = 0.417858
0x00006C4C, // 50 = 0.423040
0x00006DA1, // 51 = 0.428245
0x00006EF8, // 52 = 0.433475
0x00007050, // 53 = 0.438731
0x000071AA, // 54 = 0.444014
0x00007306, // 55 = 0.449325
0x00007464, // 56 = 0.454666
0x000075C4, // 57 = 0.460037
0x00007727, // 58 = 0.465440
0x0000788B, // 59 = 0.470876
0x000079F1, // 60 = 0.476345
0x00007B5A, // 61 = 0.481850
0x00007CC5, // 62 = 0.487391
0x00007E33, // 63 = 0.492968
0x00007FA3, // 64 = 0.498584
0x00008115, // 65 = 0.504240
0x0000828B, // 66 = 0.509935
0x00008403, // 67 = 0.515673
0x0000857D, // 68 = 0.521453
0x000086FB, // 69 = 0.527277
0x0000887C, // 70 = 0.533145
0x000089FF, // 71 = 0.539060
0x00008B86, // 72 = 0.545022
0x00008D10, // 73 = 0.551032
0x00008E9D, // 74 = 0.557092
0x0000902E, // 75 = 0.563202
0x000091C1, // 76 = 0.569365
0x00009359, // 77 = 0.575580
0x000094F4, // 78 = 0.581850
0x00009692, // 79 = 0.588176
0x00009834, // 80 = 0.594558
0x000099DB, // 81 = 0.600998
0x00009B84, // 82 = 0.607498
0x00009D32, // 83 = 0.614058
0x00009EE4, // 84 = 0.620681
0x0000A09B, // 85 = 0.627367
0x0000A255, // 86 = 0.634118
0x0000A414, // 87 = 0.640935
0x0000A5D7, // 88 = 0.647820
0x0000A79F, // 89 = 0.654774
0x0000A96B, // 90 = 0.661799
0x0000AB3C, // 91 = 0.668896
0x0000AD12, // 92 = 0.676067
0x0000AEED, // 93 = 0.683313
0x0000B0CD, // 94 = 0.690636
0x0000B2B2, // 95 = 0.698038
0x0000B49C, // 96 = 0.705520
0x0000B68C, // 97 = 0.713084
0x0000B881, // 98 = 0.720732
0x0000BA7C, // 99 = 0.728466
0x0000BC7D, // 100 = 0.736287
0x0000BE83, // 101 = 0.744197
0x0000C090, // 102 = 0.752199
0x0000C2A2, // 103 = 0.760295
0x0000C4BB, // 104 = 0.768485
0x0000C6DA, // 105 = 0.776773
0x0000C900, // 106 = 0.785161
0x0000CB2C, // 107 = 0.793650
0x0000CD5F, // 108 = 0.802243
0x0000CF99, // 109 = 0.810943
0x0000D1DB, // 110 = 0.819752
0x0000D423, // 111 = 0.828671
0x0000D673, // 112 = 0.837704
0x0000D8CB, // 113 = 0.846853
0x0000DB2A, // 114 = 0.856121
0x0000DD92, // 115 = 0.865511
0x0000E001, // 116 = 0.875024
0x0000E279, // 117 = 0.884665
0x0000E4F9, // 118 = 0.894436
0x0000E782, // 119 = 0.904339
0x0000EA14, // 120 = 0.914379
0x0000ECAF, // 121 = 0.924558
0x0000EF54, // 122 = 0.934880
0x0000F202, // 123 = 0.945348
0x0000F4BA, // 124 = 0.955965
0x0000F77B, // 125 = 0.966735
0x0000FA48, // 126 = 0.977661
0x0000FD1E, // 127 = 0.988748
0x00010000, // 128 = 1.000000
0x000102EC, // 129 = 1.011420
0x000105E4, // 130 = 1.023012
0x000108E7, // 131 = 1.034782
0x00010BF6, // 132 = 1.046733
0x00010F12, // 133 = 1.058869
0x00011239, // 134 = 1.071197
0x0001156E, // 135 = 1.083719
0x000118B0, // 136 = 1.096443
0x00011BFF, // 137 = 1.109372
0x00011F5C, // 138 = 1.122512
0x000122C8, // 139 = 1.135869
0x00012642, // 140 = 1.149448
0x000129CB, // 141 = 1.163256
0x00012D63, // 142 = 1.177298
0x0001310B, // 143 = 1.191582
0x000134C3, // 144 = 1.206112
0x0001388C, // 145 = 1.220898
0x00013C66, // 146 = 1.235945
0x00014052, // 147 = 1.251261
0x00014450, // 148 = 1.266854
0x00014861, // 149 = 1.282731
0x00014C84, // 150 = 1.298900
0x000150BC, // 151 = 1.315372
0x00015507, // 152 = 1.332153
0x00015968, // 153 = 1.349254
0x00015DDE, // 154 = 1.366683
0x0001626B, // 155 = 1.384452
0x0001670E, // 156 = 1.402570
0x00016BC9, // 157 = 1.421048
0x0001709D, // 158 = 1.439897
0x00017589, // 159 = 1.459129
0x00017A8F, // 160 = 1.478757
0x00017FB0, // 161 = 1.498792
0x000184ED, // 162 = 1.519249
0x00018A46, // 163 = 1.540140
0x00018FBD, // 164 = 1.561481
0x00019552, // 165 = 1.583287
0x00019B06, // 166 = 1.605572
0x0001A0DB, // 167 = 1.628355
0x0001A6D2, // 168 = 1.651651
0x0001ACEC, // 169 = 1.675479
0x0001B329, // 170 = 1.699858
0x0001B98D, // 171 = 1.724808
0x0001C016, // 172 = 1.750349
0x0001C6C8, // 173 = 1.776503
0x0001CDA4, // 174 = 1.803293
0x0001D4AB, // 175 = 1.830742
0x0001DBDF, // 176 = 1.858876
0x0001E341, // 177 = 1.887722
0x0001EAD4, // 178 = 1.917306
0x0001F299, // 179 = 1.947659
0x0001FA93, // 180 = 1.978811
0x000202C3, // 181 = 2.010795
0x00020B2C, // 182 = 2.043645
0x000213D0, // 183 = 2.077397
0x00021CB1, // 184 = 2.112089
0x000225D3, // 185 = 2.147762
0x00022F38, // 186 = 2.184458
0x000238E3, // 187 = 2.222223
0x000242D7, // 188 = 2.261104
0x00024D18, // 189 = 2.301153
0x000257A9, // 190 = 2.342423
0x0002628D, // 191 = 2.384972
0x00026DC9, // 192 = 2.428860
0x00027962, // 193 = 2.474154
0x0002855B, // 194 = 2.520921
0x000291B9, // 195 = 2.569235
0x00029E82, // 196 = 2.619176
0x0002ABBB, // 197 = 2.670828
0x0002B96A, // 198 = 2.724280
0x0002C795, // 199 = 2.779629
0x0002D644, // 200 = 2.836979
0x0002E57D, // 201 = 2.896442
0x0002F548, // 202 = 2.958135
0x000305AE, // 203 = 3.022190
0x000316B7, // 204 = 3.088744
0x0003286F, // 205 = 3.157947
0x00033ADE, // 206 = 3.229963
0x00034E12, // 207 = 3.304966
0x00036215, // 208 = 3.383147
0x000376F7, // 209 = 3.464715
0x00038CC5, // 210 = 3.549894
0x0003A391, // 211 = 3.638931
0x0003BB6A, // 212 = 3.732096
0x0003D466, // 213 = 3.829683
0x0003EE98, // 214 = 3.932015
0x00040A19, // 215 = 4.039450
0x00042702, // 216 = 4.152379
0x0004456F, // 217 = 4.271237
0x00046581, // 218 = 4.396504
0x00048759, // 219 = 4.528715
0x0004AB20, // 220 = 4.668464
0x0004D100, // 221 = 4.816417
0x0004F92B, // 222 = 4.973320
0x000523D7, // 223 = 5.140012
0x00055143, // 224 = 5.317440
0x000581B5, // 225 = 5.506679
0x0005B57D, // 226 = 5.708950
0x0005ECF7, // 227 = 5.925650
0x0006288B, // 228 = 6.158382
0x000668B3, // 229 = 6.408996
0x0006ADFC, // 230 = 6.679637
0x0006F90A, // 231 = 6.972811
0x00074A9C, // 232 = 7.291454
0x0007A398, // 233 = 7.639042
0x0008050B, // 234 = 8.019709
0x0008703C, // 235 = 8.438417
0x0008E6B3, // 236 = 8.901173
0x00096A52, // 237 = 9.415317
0x0009FD6B, // 238 = 9.989920
0x000AA2E5, // 239 = 10.636317
0x000B5E6E, // 240 = 11.368867
0x000C34BE, // 241 = 12.206032
0x000D2C05, // 242 = 13.171954
0x000E4C7F, // 243 = 14.298822
0x000FA16A, // 244 = 15.630531
0x00113A81, // 245 = 17.228534
0x00132E7D, // 246 = 19.181596
0x00159F73, // 247 = 21.622863
0x0018C2F6, // 248 = 24.761568
0x001CF249, // 249 = 28.946430
0x0022CE1D, // 250 = 34.805143
0x002B97D5, // 251 = 43.593097
0x003A3D52, // 252 = 58.239533
0x0057883C, // 253 = 87.532174
0x00AF68DE, // 254 = 175.409644
0x00FFFFFF, // 255 = 255.000000 (INF)
};
#endif /* __VXD_GAMMA_H__INCLUDED__ */
|
