diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/genlinedraw | 350 |
1 files changed, 350 insertions, 0 deletions
diff --git a/src/genlinedraw b/src/genlinedraw new file mode 100755 index 0000000..35f4bc6 --- /dev/null +++ b/src/genlinedraw @@ -0,0 +1,350 @@ +#!/usr/bin/perl + +open TABLE, ">", "table/linedraw.h"; +select TABLE; + +my $ch = 0x2500; + +# coordinate system: +# +# 0..8 (equally spaced) 9,11 mid-1,mid+1, makes 4 bit +# one point = 8 bit, two points = 16 bit + +# 8 bit opcode 0 line, 1 rect, 2 arc +# 8 bit opcode arg + +# OOOOOOOO AAAABBBB X1X1Y1Y1 X2X2Y2Y2 + +my $offs = 0; +my @offs; + +sub emit { + my ($code, $x1, $y1, $x2, $y2, $a, $b) = @_; + $offs++; + printf " 0x%08lx,", ($code << 24) + | ($x1 << 12) + | ($y1 << 8) + | ($x2 << 4) + | ($y2 << 0) + | ($a << 20) + | ($b << 16); +} + +print "static uint32_t linedraw_command[] = {\n"; + +while (<DATA>) { + next if /^\//; + next unless /\S/; + + push @offs, $offs; + + my ($v, $V, $h, $H, $s); + + for (;;) { + /\G-/gc and last; + /\G$/gc and last; + + /\G([123])/gc and $w = $1; + + /\Gh/gc and $h = $w; + /\GH/gc and $H = $w; + /\Gv/gc and $v = $w; + /\GV/gc and $V = $w; + + /\G\//gc and emit 0, 0, 8, 8, 0; + /\G\\/gc and emit 0, 0, 0, 8, 8; + + /\GA/gc and emit 2, 8, 8, 0, 0, 2, 2; + /\GB/gc and emit 2, 0, 8, 0, 0, 1, 2; + /\GC/gc and emit 2, 0, 0, 0, 0, 1, 0; + /\GD/gc and emit 2, 8, 0, 0, 0, 0, 0; + + /\Gi/gc and emit 1, 0, 0, 4, 4; + /\Gj/gc and emit 1, 4, 0, 8, 4; + /\Gk/gc and emit 1, 0, 4, 4, 8; + /\Gl/gc and emit 1, 4, 4, 8, 8; + + /\Gs(\d)/gc and $s = $1; + + /\Gr(\d+),(\d+),(\d+),(\d+)/gc and emit 1, $1, $2, $3, $4, $s; + + /\G\s/gc; + } + + if ($h) { + emit 0, 0, 9,10, 9 if $h > 1; + emit 0, 0, 10,10, 10 if $h & 1; + emit 0, 0, 11,10, 11 if $h > 1; + } + + if ($H) { + emit 0,10, 9, 8, 9 if $H > 1; + emit 0,10, 10, 8, 10 if $H & 1; + emit 0,10, 11, 8, 11 if $H > 1; + } + + if ($v) { + emit 0, 9, 0, 9, 10 if $v > 1; + emit 0,10, 0,10, 10 if $v & 1; + emit 0,11, 0,11, 10 if $v > 1; + } + + if ($V) { + emit 0, 9, 10, 9, 8 if $V > 1; + emit 0,10, 10,10, 8 if $V & 1; + emit 0,11, 10,11, 8 if $V > 1; + } + + $offs[-1] = ($offs[-1] << 4) | ($offs - $offs[-1]); + + printf " // %04x\n", $ch; + $ch++; +} + +print <<EOF; +}; + +static uint16_t linedraw_offs[] = { +EOF + +for (@offs) { + printf " 0x%04x,", $_; + print "\n" if ++$cnt % 5 == 0; +} + +print <<EOF; +}; + +EOF + +__END__ +// 2500 + +1hH +3hH +1vV +3vV + +r0,10,1,10 r3,10,5,10 r7,10,8,10 +r0,9,1,11 r3,9,5,11 r7,9,8,11 +r10,0,10,1 r10,3,10,5 r10,7,10,8 +r9,0,11,1 r9,3,11,5 r9,7,11,8 + +r0,10,1,10 r2,10,3,10 r4,10,5,10 r6,10,7,10 +r0,9,1,11 r2,9,3,11 r4,9,5,11 r6,9,7,11 +r10,0,10,1 r10,2,10,3 r10,4,10,5 r10,6,10,7 +r9,0,11,1 r9,2,11,3 r9,4,11,5 r9,6,11,7 + +1HV +3H1V +1H3V +3HV + + +// 2510 + +1hV +3h1V +1h3V +3hV + +1Hv +3H1v +1H3v +3Hv + +1hv +3h1v +1h3v +3hv + +1HvV +3H1vV +1HV3v +1Hv3V + + +// 2530 + +1H3vV +3Hv1V +3HV1v +3HvV + +1hvV +3h1vV +1hV3v +1hv3V + +1h3vV +3hv1V +1v3hV +3hvV + +1hHV +3h1HV +3H1hV +3hH1V + + +// 2530 + +1hH3V +3hV1H +1h3HV +3hHV + +1hHv +1vH3h +1hv3H +1v3hH + +1hH3v +1H3hv +1h3Hv +3hHv + +1hHvV +1vVH3h +1hvV3H +1vV3hH + + +// 2540 + +1hHV3v +1hHv3V +1hH3vV +1HV3hv + +1hV3Hv +1Hv3hV +1hv3HV +1V3hHv + +1v3hHV +1H3hvV +1h3HvV +3hHvV + +r0,10,3,10 r5,10,8,10 +r0,9,3,11 r5,9,8,11 +r10,0,10,3 r10,5,10,8 +r9,0,11,3 r9,5,11,8 + + +// 2550 + +2hH +2vV +1V2H +2V1H + +2VH +2h1V +1h2V +2hV + +1v2H +2v1H +2vH +2h1v + +1h2v +2hv +1vV2H +2vV1H + + +// 2560 + +2vVH +2h1vV +1h2vV +2hvV + +2hH1V +2V1hH +2hHV +1v2hH + +2v1hH +2vhH +1vV2hH +1hH2vV + +2hHvV +A +B +C + + +// 2570 + +D +1/ +1\ +1/\ + +1h +1v +1H +1V + +3h +3v +3H +3V + +1h3H +1v3V +1H3h +1V3v + + +// 2580 + +r0,0,8,4 +r0,7,8,8 +r0,6,8,8 +r0,5,8,8 + +r0,4,8,8 +r0,3,8,8 +r0,2,8,8 +r0,1,8,8 + +r0,0,8,8 +r0,0,7,8 +r0,0,6,8 +r0,0,5,8 + +r0,0,4,8 +r0,0,3,8 +r0,0,2,8 +r0,0,1,8 + + +// 2590 + +r4,0,8,8 +s3r0,0,8,8 +s2r0,0,8,8 +s1r0,0,8,8 + +r0,0,8,1 +r7,0,8,8 +k +l + +i +ikl +il +ijk + +ijl +j +jk +jkl + + |