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nick black 2024-12-28 11:17:35 -05:00 committed by nick black
parent 12f9c38f7e
commit db83226614
1 changed files with 12 additions and 4 deletions
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16
src/lib/blit.c
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@ -994,7 +994,7 @@ sextant_blit(ncplane* nc, int linesize, const void* data, int leny, int lenx,
1, 2, 4, 8, 16, 32, // 6 ways to arrange 1
3, 5, 9, 17, 33, 6, 10, 18, 34, 12, 20, 36, 24, 40, 48, // 15 ways for 2
// 16 ways to arrange 3, *but* six of them are inverses, so 10
7, 11, 19, 35, 13, 21, 37, 25, 41, 14 // 10 + 15 + 6 + 1 == 32
7, 11, 19, 35, 13, 21, 37, 25, 41, 49 // 10 + 15 + 6 + 1 == 32
};
return hires_blit(nc, linesize, data, leny, lenx, bargs, 3, sextrans,
sex, sextitions, sizeof(sextitions) / sizeof(*sextitions));
@ -1081,10 +1081,9 @@ octant_blit(ncplane* nc, int linesize, const void* data, int leny, int lenx,
octtrans[T(E(0) + E(4) + E(5) + E(6))], octtrans[T(E(0) + E(4) + E(5) + E(7))],
octtrans[T(E(0) + E(4) + E(6) + E(7))],
octtrans[T(E(0) + E(5) + E(6) + E(7))], // 0 + 5 + 6 + 7
#undef E
#undef T
};
static const unsigned octitions[] = {
static const unsigned octitions[128] = {
0, // 1 way to arrange 0
1, 2, 4, 8, 16, 32, 64, 128, // 8 ways to arrange 1
3, 5, 9, 17, 33, 65, 129,
@ -1094,10 +1093,19 @@ octant_blit(ncplane* nc, int linesize, const void* data, int leny, int lenx,
48, 80, 144,
96, 160,
192, // 28 ways for 2
3, 5, 9, 17, 33, 65, 129,
6, 10, 18, 34, 66, 130,
12, 20, 36, 68, 132,
24, 40, 72, 136,
48, 80, 144,
96, 160,
192, // 56 ways for 3
// FIXME
112, 208,
224 // 56 ways for 3
// 70 ways for 4, but there are inverses among them FIXME
// 70 ways for 4, but there are 35 inverses among them
// FIXME
#undef E
};
return hires_blit(nc, linesize, data, leny, lenx, bargs, 4, octtrans,
oct, octitions, sizeof(octitions) / sizeof(*octitions));