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//////////////////////////////////////////////////////////////////////////////
//
// DITH666.H - full color dither (to a palette with 6 red, 6 green 6 blue
// levels)
//
//////////////////////////////////////////////////////////////////////////////
#define HSIZE 4 // matrix size is 4x4
#define SEG666 _based(_segname("DITH666")) // segment containing tables
#define SEGXXX _based(_segname("_CODE")) // segment containing init tables
//////////////////////////////////////////////////////////////////////////////
//
// dither table for 256 level dither (RGB 24 or 32)
//
// total table size is 12k
//
//////////////////////////////////////////////////////////////////////////////
#define DITH256(x,y,r,g,b) aTranslate666[ \
1 * (r/51 + (r%51 > aHalftone4x4[x][y])) + \ 6 * (g/51 + (g%51 > aHalftone4x4[x][y])) + \ 36 * (b/51 + (b%51 > aHalftone4x4[x][y]))]
#define DITH8(x,y,r,g,b) aTranslate666[ \
aHalftone8[0][(x)&3][(y)&3][(r)] +\ aHalftone8[1][(x)&3][(y)&3][(g)] +\ aHalftone8[2][(x)&3][(y)&3][(b)] ]
char unsigned SEG666 aHalftone8[3][4][4][256] = {(BYTE)-1};
#if 1
static char unsigned const SEGXXX aHalftone4x4[4][4] ={ 0, 25, 6, 31, 38, 12, 44, 19, 9, 35, 3, 28, 47, 22, 41, 15};
#else
static char unsigned const SEGXXX aHalftone4x4[4][4] ={ 41, 3, 9, 28, 35, 15, 22, 47, 6, 25, 38, 0, 19, 44, 31, 12};
#endif
//////////////////////////////////////////////////////////////////////////////
//
// dither table for 32 level dither (RGB 555 or 565)
//
// total table size is 12k
//
//////////////////////////////////////////////////////////////////////////////
#define d62(n) (((n) * 10) / 62) // n / 6.2
#define m62(n) ((n) * 1000 / 62 - d62(n) * 100) // n % 6.2
#define DITH31(x,y,r,g,b) aTranslate666[ \
1 * (d62(r) + (m62(r) > (UINT)aHalftone2x2[x][y])) + \ 6 * (d62(g) + (m62(g) > (UINT)aHalftone2x2[x][y])) + \ 36 * (d62(b) + (m62(b) > (UINT)aHalftone2x2[x][y]))]
static char SEGXXX aHalftone2x2[2][2] ={ 0, 99, 66,33,};
#ifdef USE_C
#define DITH5(x,y,rgb) aTranslate666[ \
aHalftone5[0][(x)&3][(y)&3][((rgb)>>8)&0xFF] +\ aHalftone5[1][(x)&3][(y)&3][((rgb)>>5)&0xFF] +\ aHalftone5[2][(x)&3][(y)&3][((rgb)>>0)&0xFF] ]
char unsigned SEG666 aHalftone5[3][4][4][256] = {(BYTE)-1};
#if 0
static char unsigned const SEGXXX aHalftone4x4_5[4][4] ={ 0,3,0,3, 4,1,4,1, 0,3,0,3, 4,1,4,1};
#else
static char SEGXXX aHalftone4x4_5[4][4] ={ 0,3,2,3, 2,4,0,3, 2,0,4,1, 4,1,2,1};
#endif
#endif
//////////////////////////////////////////////////////////////////////////////
//
// translate table from a 666 index to a foreground palette index
//
//////////////////////////////////////////////////////////////////////////////
char unsigned SEG666 aTranslate666[216] ={ 0, 29, 30, 31, 32, 249, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 250, 250, 57, 58, 59, 251, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 250, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 227, 112, 113, 114, 115, 116, 117, 118, 119, 151, 120, 121, 122, 123, 124, 228, 125, 126, 229, 133, 162, 135, 131, 132, 137, 166, 134, 140, 130, 136, 143, 138, 139, 174, 141, 142, 177, 129, 144, 145, 146, 147, 148, 149, 150, 157, 152, 153, 154, 155, 156, 192, 158, 159, 160, 161, 196, 163, 164, 165, 127, 199, 167, 168, 169, 170, 171, 172, 173, 207, 175, 176, 210, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 224, 193, 194, 195, 252, 252, 197, 198, 128, 253, 252, 200, 201, 202, 203, 204, 205, 206, 230, 208, 209, 231, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 254, 223, 232, 225, 226, 255,};
/*-----------------------------------------------------------------------
| mspal.h| | Standard MS Apps Palette. v 1.01|| #include this file in the same file as HPalCreateAppPalette| | WARNING: Generated File! DO NOT EDIT!| WARNING: Palette MUST be created with HpalCreateAppPalette|---------------------------------------------------------------WESC----*/unsigned char SEGXXX pal666[256][3] = { // R G B
{0x00, 0x00, 0x00}, // 0 Sys Black gray 0
{0x80, 0x00, 0x00}, // 1 Sys Dk Red
{0x00, 0x80, 0x00}, // 2 Sys Dk Green
{0x80, 0x80, 0x00}, // 3 Sys Dk Yellow
{0x00, 0x00, 0x80}, // 4 Sys Dk Blue
{0x80, 0x00, 0x80}, // 5 Sys Dk Violet
{0x00, 0x80, 0x80}, // 6 Sys Dk Cyan
{0xc0, 0xc0, 0xc0}, // 7 Sys Lt Grey gray 192
{0xc0, 0xdc, 0xc0}, // 8 Sys 8
{0xa6, 0xca, 0xf0}, // 9 Sys 9 (the first 10 are fixed by Windows)
{0x04, 0x04, 0x04}, // 10 gray 4
{0x08, 0x08, 0x08}, // 11 gray 8
{0x0c, 0x0c, 0x0c}, // 12 gray 12
{0x11, 0x11, 0x11}, // 13 gray 17
{0x16, 0x16, 0x16}, // 14 gray 22
{0x1c, 0x1c, 0x1c}, // 15 gray 28
{0x22, 0x22, 0x22}, // 16 gray 34
{0x29, 0x29, 0x29}, // 17 gray 41
{0x55, 0x55, 0x55}, // 18 swapped so inversions look good gray 85
{0x4d, 0x4d, 0x4d}, // 19 swapped so inversions look good gray 77
{0x42, 0x42, 0x42}, // 20 swapped so inversions look good gray 66
{0x39, 0x39, 0x39}, // 21 swapped so inversions look good gray 57
{0x81, 0x81, 0x81}, // 22 Sys Dk Grey repeat gray 128
{0x81, 0x00, 0x00}, // 23 Sys Dk Red repeat
{0x00, 0x81, 0x00}, // 24 Sys Dk Green repeat
{0x81, 0x81, 0x00}, // 25 Sys Dk Yellow repeat
{0x00, 0x00, 0x81}, // 26 Sys Dk Blue repeat
{0x81, 0x00, 0x81}, // 27 Sys Dk Violet repeat
{0x00, 0x81, 0x81}, // 28 Sys Dk Cyan repeat
{0x33, 0x00, 0x00}, // 29
{0x66, 0x00, 0x00}, // 30
{0x99, 0x00, 0x00}, // 31
{0xcc, 0x00, 0x00}, // 32
{0x00, 0x33, 0x00}, // 33
{0x33, 0x33, 0x00}, // 34
{0x66, 0x33, 0x00}, // 35
{0x99, 0x33, 0x00}, // 36
{0xcc, 0x33, 0x00}, // 37
{0xff, 0x33, 0x00}, // 38
{0x00, 0x66, 0x00}, // 39
{0x33, 0x66, 0x00}, // 40
{0x66, 0x66, 0x00}, // 41
{0x99, 0x66, 0x00}, // 42
{0xcc, 0x66, 0x00}, // 43
{0xff, 0x66, 0x00}, // 44
{0x00, 0x99, 0x00}, // 45
{0x33, 0x99, 0x00}, // 46
{0x66, 0x99, 0x00}, // 47
{0x99, 0x99, 0x00}, // 48
{0xcc, 0x99, 0x00}, // 49
{0xff, 0x99, 0x00}, // 50
{0x00, 0xcc, 0x00}, // 51
{0x33, 0xcc, 0x00}, // 52
{0x66, 0xcc, 0x00}, // 53
{0x99, 0xcc, 0x00}, // 54
{0xcc, 0xcc, 0x00}, // 55
{0xff, 0xcc, 0x00}, // 56
{0x66, 0xff, 0x00}, // 57
{0x99, 0xff, 0x00}, // 58
{0xcc, 0xff, 0x00}, // 59
{0x00, 0x00, 0x33}, // 60
{0x33, 0x00, 0x33}, // 61
{0x66, 0x00, 0x33}, // 62
{0x99, 0x00, 0x33}, // 63
{0xcc, 0x00, 0x33}, // 64
{0xff, 0x00, 0x33}, // 65
{0x00, 0x33, 0x33}, // 66
{0x33, 0x33, 0x33}, // 67 gray 51
{0x66, 0x33, 0x33}, // 68
{0x99, 0x33, 0x33}, // 69
{0xcc, 0x33, 0x33}, // 70
{0xff, 0x33, 0x33}, // 71
{0x00, 0x66, 0x33}, // 72
{0x33, 0x66, 0x33}, // 73
{0x66, 0x66, 0x33}, // 74
{0x99, 0x66, 0x33}, // 75
{0xcc, 0x66, 0x33}, // 76
{0xff, 0x66, 0x33}, // 77
{0x00, 0x99, 0x33}, // 78
{0x33, 0x99, 0x33}, // 79
{0x66, 0x99, 0x33}, // 80
{0x99, 0x99, 0x33}, // 81
{0xcc, 0x99, 0x33}, // 82
{0xff, 0x99, 0x33}, // 83
{0x00, 0xcc, 0x33}, // 84
{0x33, 0xcc, 0x33}, // 85
{0x66, 0xcc, 0x33}, // 86
{0x99, 0xcc, 0x33}, // 87
{0xcc, 0xcc, 0x33}, // 88
{0xff, 0xcc, 0x33}, // 89
{0x33, 0xff, 0x33}, // 90
{0x66, 0xff, 0x33}, // 91
{0x99, 0xff, 0x33}, // 92
{0xcc, 0xff, 0x33}, // 93
{0xff, 0xff, 0x33}, // 94
{0x00, 0x00, 0x66}, // 95
{0x33, 0x00, 0x66}, // 96
{0x66, 0x00, 0x66}, // 97
{0x99, 0x00, 0x66}, // 98
{0xcc, 0x00, 0x66}, // 99
{0xff, 0x00, 0x66}, // 100
{0x00, 0x33, 0x66}, // 101
{0x33, 0x33, 0x66}, // 102
{0x66, 0x33, 0x66}, // 103
{0x99, 0x33, 0x66}, // 104
{0xcc, 0x33, 0x66}, // 105
{0xff, 0x33, 0x66}, // 106
{0x00, 0x66, 0x66}, // 107
{0x33, 0x66, 0x66}, // 108
{0x66, 0x66, 0x66}, // 109 gray 102
{0x99, 0x66, 0x66}, // 110
{0xcc, 0x66, 0x66}, // 111
{0x00, 0x99, 0x66}, // 112
{0x33, 0x99, 0x66}, // 113
{0x66, 0x99, 0x66}, // 114
{0x99, 0x99, 0x66}, // 115
{0xcc, 0x99, 0x66}, // 116
{0xff, 0x99, 0x66}, // 117
{0x00, 0xcc, 0x66}, // 118
{0x33, 0xcc, 0x66}, // 119
{0x99, 0xcc, 0x66}, // 120
{0xcc, 0xcc, 0x66}, // 121
{0xff, 0xcc, 0x66}, // 122
{0x00, 0xff, 0x66}, // 123
{0x33, 0xff, 0x66}, // 124
{0x99, 0xff, 0x66}, // 125
{0xcc, 0xff, 0x66}, // 126
{0xff, 0x00, 0xcc}, // 127
{0xcc, 0x00, 0xff}, // 128
{0x00, 0x99, 0x99}, // 129
{0x99, 0x33, 0x99}, // 130
{0x99, 0x00, 0x99}, // 131
{0xcc, 0x00, 0x99}, // 132
{0x00, 0x00, 0x99}, // 133
{0x33, 0x33, 0x99}, // 134
{0x66, 0x00, 0x99}, // 135
{0xcc, 0x33, 0x99}, // 136
{0xff, 0x00, 0x99}, // 137
{0x00, 0x66, 0x99}, // 138
{0x33, 0x66, 0x99}, // 139
{0x66, 0x33, 0x99}, // 140
{0x99, 0x66, 0x99}, // 141
{0xcc, 0x66, 0x99}, // 142
{0xff, 0x33, 0x99}, // 143
{0x33, 0x99, 0x99}, // 144
{0x66, 0x99, 0x99}, // 145
{0x99, 0x99, 0x99}, // 146 gray 153
{0xcc, 0x99, 0x99}, // 147
{0xff, 0x99, 0x99}, // 148
{0x00, 0xcc, 0x99}, // 149
{0x33, 0xcc, 0x99}, // 150
{0x66, 0xcc, 0x66}, // 151
{0x99, 0xcc, 0x99}, // 152
{0xcc, 0xcc, 0x99}, // 153
{0xff, 0xcc, 0x99}, // 154
{0x00, 0xff, 0x99}, // 155
{0x33, 0xff, 0x99}, // 156
{0x66, 0xcc, 0x99}, // 157
{0x99, 0xff, 0x99}, // 158
{0xcc, 0xff, 0x99}, // 159
{0xff, 0xff, 0x99}, // 160
{0x00, 0x00, 0xcc}, // 161
{0x33, 0x00, 0x99}, // 162
{0x66, 0x00, 0xcc}, // 163
{0x99, 0x00, 0xcc}, // 164
{0xcc, 0x00, 0xcc}, // 165
{0x00, 0x33, 0x99}, // 166
{0x33, 0x33, 0xcc}, // 167
{0x66, 0x33, 0xcc}, // 168
{0x99, 0x33, 0xcc}, // 169
{0xcc, 0x33, 0xcc}, // 170
{0xff, 0x33, 0xcc}, // 171
{0x00, 0x66, 0xcc}, // 172
{0x33, 0x66, 0xcc}, // 173
{0x66, 0x66, 0x99}, // 174
{0x99, 0x66, 0xcc}, // 175
{0xcc, 0x66, 0xcc}, // 176
{0xff, 0x66, 0x99}, // 177
{0x00, 0x99, 0xcc}, // 178
{0x33, 0x99, 0xcc}, // 179
{0x66, 0x99, 0xcc}, // 180
{0x99, 0x99, 0xcc}, // 181
{0xcc, 0x99, 0xcc}, // 182
{0xff, 0x99, 0xcc}, // 183
{0x00, 0xcc, 0xcc}, // 184
{0x33, 0xcc, 0xcc}, // 185
{0x66, 0xcc, 0xcc}, // 186
{0x99, 0xcc, 0xcc}, // 187
{0xcc, 0xcc, 0xcc}, // 188 gray 204
{0xff, 0xcc, 0xcc}, // 189
{0x00, 0xff, 0xcc}, // 190
{0x33, 0xff, 0xcc}, // 191
{0x66, 0xff, 0x99}, // 192
{0x99, 0xff, 0xcc}, // 193
{0xcc, 0xff, 0xcc}, // 194
{0xff, 0xff, 0xcc}, // 195
{0x33, 0x00, 0xcc}, // 196
{0x66, 0x00, 0xff}, // 197
{0x99, 0x00, 0xff}, // 198
{0x00, 0x33, 0xcc}, // 199
{0x33, 0x33, 0xff}, // 200
{0x66, 0x33, 0xff}, // 201
{0x99, 0x33, 0xff}, // 202
{0xcc, 0x33, 0xff}, // 203
{0xff, 0x33, 0xff}, // 204
{0x00, 0x66, 0xff}, // 205
{0x33, 0x66, 0xff}, // 206
{0x66, 0x66, 0xcc}, // 207
{0x99, 0x66, 0xff}, // 208
{0xcc, 0x66, 0xff}, // 209
{0xff, 0x66, 0xcc}, // 210
{0x00, 0x99, 0xff}, // 211
{0x33, 0x99, 0xff}, // 212
{0x66, 0x99, 0xff}, // 213
{0x99, 0x99, 0xff}, // 214
{0xcc, 0x99, 0xff}, // 215
{0xff, 0x99, 0xff}, // 216
{0x00, 0xcc, 0xff}, // 217
{0x33, 0xcc, 0xff}, // 218
{0x66, 0xcc, 0xff}, // 219
{0x99, 0xcc, 0xff}, // 220
{0xcc, 0xcc, 0xff}, // 221
{0xff, 0xcc, 0xff}, // 222
{0x33, 0xff, 0xff}, // 223
{0x66, 0xff, 0xcc}, // 224
{0x99, 0xff, 0xff}, // 225
{0xcc, 0xff, 0xff}, // 226
{0xff, 0x66, 0x66}, // 227
{0x66, 0xff, 0x66}, // 228
{0xff, 0xff, 0x66}, // 229
{0x66, 0x66, 0xff}, // 230
{0xff, 0x66, 0xff}, // 231
{0x66, 0xff, 0xff}, // 232
{0xc1, 0xc1, 0xc1}, // 233 Sys Dk Grey repeat inversion gray 192
{0x5f, 0x5f, 0x5f}, // 234 gray 95
{0x77, 0x77, 0x77}, // 235 gray 119
{0x86, 0x86, 0x86}, // 236 gray 134
{0x96, 0x96, 0x96}, // 237 gray 150
{0xcb, 0xcb, 0xcb}, // 238 gray 203
{0xb2, 0xb2, 0xb2}, // 239 gray 178
{0xd7, 0xd7, 0xd7}, // 240 gray 215
{0xdd, 0xdd, 0xdd}, // 241 gray 221
{0xe3, 0xe3, 0xe3}, // 242 gray 227
{0xea, 0xea, 0xea}, // 243 gray 234
{0xf1, 0xf1, 0xf1}, // 244 gray 241
{0xf8, 0xf8, 0xf8}, // 245 gray 248
{0xff, 0xfb, 0xf0}, // 246 Sys Reserved
{0xa0, 0xa0, 0xa4}, // 247 Sys Reserved
{0x80, 0x80, 0x80}, // 248 Sys Lt Gray gray 128
{0xff, 0x00, 0x00}, // 249 Sys Red
{0x00, 0xff, 0x00}, // 250 Sys Green
{0xff, 0xff, 0x00}, // 251 Sys Yellow
{0x00, 0x00, 0xff}, // 252 Sys Blue
{0xff, 0x00, 0xff}, // 253 Sys Violet
{0x00, 0xff, 0xff}, // 254 Sys Cyan
{0xff, 0xff, 0xff} // 255 Sys White gray 255
};
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