nx_font_cjk.nx source

1// nx_font_cjk.nx -- FIRST CJK / ASIAN rung: prove the stroke generator extends to Han (Chinese/Japanese/Korean). 2// Han characters ARE stroke-based (horizontal/vertical/etc.), so our stroke->rectangle generator suits them 3// naturally. Generates 8 REAL, common Han characters composed of horizontal+vertical strokes and maps them to 4// their TRUE Unicode codepoints via a GENERIC cmap-format-4 (scattered BMP codepoints) -> web_assets/nishi_cjk.ttf, 5// self-validated. Chars: 一(U+4E00 one) 三(4E09 three) 二(4E8C two) 十(5341 ten) 口(53E3 mouth) 日(65E5 sun/day) 6// 田(7530 field) 王(738B king). HONEST: 8 chars is a PROOF the generator handles CJK -- NOT coverage (full CJK = 7// 101,000+ Han, the scale rung). license_tier: ORIGINAL expect_exit: 0 8import "nx_syscalls_x86_64.nx" 9const MAGIC_MAGIC_65536: i64 = 65536 10const MAGIC_MAGIC_16777216: i64 = 16777216 11const MAGIC_MAGIC_4294967296: i64 = 4294967296 12const MAGIC_MAGIC_20096: i64 = 20096 13const MAGIC_MAGIC_20105: i64 = 20105 14const MAGIC_MAGIC_20108: i64 = 20108 15const MAGIC_MAGIC_21313: i64 = 21313 16const MAGIC_MAGIC_5341: i64 = 5341 17const MAGIC_MAGIC_21475: i64 = 21475 18const MAGIC_MAGIC_26085: i64 = 26085 19const MAGIC_MAGIC_30000: i64 = 30000 20const MAGIC_MAGIC_7530: i64 = 7530 21const MAGIC_MAGIC_29579: i64 = 29579 22const MAGIC_MAGIC_8192: i64 = 8192 23const MAGIC_MAGIC_16384: i64 = 16384 24const MAGIC_MAGIC_65535: i64 = 65535 25const MAGIC_MAGIC_1594834165: i64 = 1594834165 26const MAGIC_MAGIC_1033: i64 = 1033 27const MAGIC_MAGIC_196608: i64 = 196608 28const MAGIC_MAGIC_131072: i64 = 131072 29 30const MAGIC_ADJ: i64 = 2981146554 31 32func sw(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 } 33func sn(v: i64) -> i64 { let bb: *u8=sys_mmap(28); var m: i64=v; if m<0{m=0-m;sys_write(1,"-" as *u8,1)} let t: *u8=sys_mmap(28); var k: i64=0; if m==0{t[0]=48 as u8;k=1} while m>0{t[k]=(48+(m%10)) as u8;m=m/10;k=k+1} var i: i64=0; while i<k{bb[i]=t[k-1-i];i=i+1} sys_write(1,bb,k); return 0 } 34 35func si16(v: i64) -> i64 { if v<0 { return v+MAGIC_MAGIC_65536 } return v } 36func w8(b: *u8, o: i64, v: i64) -> i64 { b[o]=(v%256) as u8; return o+1 } 37func w16(b: *u8, o: i64, v: i64) -> i64 { b[o]=((v/256)%256) as u8; b[o+1]=(v%256) as u8; return o+2 } 38func w32(b: *u8, o: i64, v: i64) -> i64 { b[o]=((v/MAGIC_MAGIC_16777216)%256) as u8; b[o+1]=((v/MAGIC_MAGIC_65536)%256) as u8; b[o+2]=((v/256)%256) as u8; b[o+3]=(v%256) as u8; return o+4 } 39func r32(b: *u8, o: i64) -> i64 { return (b[o] as i64)*MAGIC_MAGIC_16777216 + (b[o+1] as i64)*MAGIC_MAGIC_65536 + (b[o+2] as i64)*256 + (b[o+3] as i64) } 40func align4(o: i64) -> i64 { while o%4 != 0 { o=o+1 } return o } 41func csum(b: *u8, off: i64, len: i64) -> i64 { var s: i64=0; var i: i64=off; while i < off+len { s = (s + r32(b,i)) % MAGIC_MAGIC_4294967296; i=i+4 } return s } 42func he_puts(buf: *u8, off: i64, s: *u8) -> i64 { var o: i64=off; var i: i64=0; while s[i]!=0 { buf[o]=s[i]; o=o+1; i=i+1 } return o } 43func b64c(v: i64) -> i64 { if v<26 { return 65+v } if v<52 { return 97+(v-26) } if v<62 { return 48+(v-52) } if v==62 { return 43 } return 47 } 44func b64_encode(inb: *u8, n: i64, out: *u8) -> i64 { 45 var o: i64=0; var i: i64=0 46 while i+3<=n { let a: i64=inb[i] as i64; let b: i64=inb[i+1] as i64; let c: i64=inb[i+2] as i64 47 out[o]=b64c(a/4) as u8; o=o+1; out[o]=b64c((a%4)*16 + b/16) as u8; o=o+1; out[o]=b64c((b%16)*4 + c/64) as u8; o=o+1; out[o]=b64c(c%64) as u8; o=o+1; i=i+3 } 48 let rem: i64=n-i 49 if rem==1 { let a: i64=inb[i] as i64; out[o]=b64c(a/4) as u8; o=o+1; out[o]=b64c((a%4)*16) as u8; o=o+1; out[o]=61 as u8; o=o+1; out[o]=61 as u8; o=o+1 } 50 if rem==2 { let a: i64=inb[i] as i64; let b: i64=inb[i+1] as i64; out[o]=b64c(a/4) as u8; o=o+1; out[o]=b64c((a%4)*16 + b/16) as u8; o=o+1; out[o]=b64c((b%16)*4) as u8; o=o+1; out[o]=61 as u8; o=o+1 } 51 out[o]=0 as u8; return o 52} 53func add_rect(px: *i64, py: *i64, ep: *i64, pc: i64, cc: i64, x0: i64, y0: i64, x1: i64, y1: i64) -> i64 { 54 px[pc]=x0; py[pc]=y0; px[pc+1]=x1; py[pc+1]=y0; px[pc+2]=x1; py[pc+2]=y1; px[pc+3]=x0; py[pc+3]=y1 55 ep[cc]=pc+3; return pc+4 56} 57 58// gen a Han glyph from horizontal/vertical strokes. wr = stroke half-thickness. gid: 0 .notdef, 59// 1 一, 2 三, 3 二, 4 十, 5 口, 6 日, 7 田, 8 王. 60func gen_han(gid: i64, wr: i64, ep: *i64, px: *i64, py: *i64, meta: *i64) -> i64 { 61 if gid==0 { add_rect(px,py,ep,0,0, 120,0,880,780); meta[0]=1; meta[1]=4; return 0 } // .notdef box (tofu) 62 if gid==1 { add_rect(px,py,ep,0,0, 120,490-wr,880,490+wr); meta[0]=1; meta[1]=4; return 0 } // 一 one 63 if gid==2 { // 三 three 64 var pc: i64=0 65 pc=add_rect(px,py,ep,pc,0, 200,720-wr,800,720+wr) 66 pc=add_rect(px,py,ep,pc,1, 260,490-wr,740,490+wr) 67 pc=add_rect(px,py,ep,pc,2, 140,210-wr,860,210+wr) 68 meta[0]=3; meta[1]=12; return 0 69 } 70 if gid==3 { // 二 two 71 var pc: i64=0 72 pc=add_rect(px,py,ep,pc,0, 220,610-wr,780,610+wr) 73 pc=add_rect(px,py,ep,pc,1, 140,290-wr,860,290+wr) 74 meta[0]=2; meta[1]=8; return 0 75 } 76 if gid==4 { // 十 ten (cross) 77 var pc: i64=0 78 pc=add_rect(px,py,ep,pc,0, 120,490-wr,880,490+wr) 79 pc=add_rect(px,py,ep,pc,1, 500-wr,140,500+wr,850) 80 meta[0]=2; meta[1]=8; return 0 81 } 82 if gid==5 { // 口 mouth (box) 83 var pc: i64=0 84 pc=add_rect(px,py,ep,pc,0, 220,220,220+2*wr,780) 85 pc=add_rect(px,py,ep,pc,1, 780-2*wr,220,780,780) 86 pc=add_rect(px,py,ep,pc,2, 220,780-2*wr,780,780) 87 pc=add_rect(px,py,ep,pc,3, 220,220,780,220+2*wr) 88 meta[0]=4; meta[1]=16; return 0 89 } 90 if gid==6 { // 日 sun/day (box + mid bar) 91 var pc: i64=0 92 pc=add_rect(px,py,ep,pc,0, 260,220,260+2*wr,780) 93 pc=add_rect(px,py,ep,pc,1, 740-2*wr,220,740,780) 94 pc=add_rect(px,py,ep,pc,2, 260,780-2*wr,740,780) 95 pc=add_rect(px,py,ep,pc,3, 260,220,740,220+2*wr) 96 pc=add_rect(px,py,ep,pc,4, 260,500-wr,740,500+wr) 97 meta[0]=5; meta[1]=20; return 0 98 } 99 if gid==7 { // 田 field (box + cross) 100 var pc: i64=0 101 pc=add_rect(px,py,ep,pc,0, 220,220,220+2*wr,780) 102 pc=add_rect(px,py,ep,pc,1, 780-2*wr,220,780,780) 103 pc=add_rect(px,py,ep,pc,2, 220,780-2*wr,780,780) 104 pc=add_rect(px,py,ep,pc,3, 220,220,780,220+2*wr) 105 pc=add_rect(px,py,ep,pc,4, 220,500-wr,780,500+wr) 106 pc=add_rect(px,py,ep,pc,5, 500-wr,220,500+wr,780) 107 meta[0]=6; meta[1]=24; return 0 108 } 109 var pc: i64=0 // 王 king (3 horiz + vert) 110 pc=add_rect(px,py,ep,pc,0, 220,755-wr,780,755+wr) 111 pc=add_rect(px,py,ep,pc,1, 300,490-wr,700,490+wr) 112 pc=add_rect(px,py,ep,pc,2, 180,225-wr,820,225+wr) 113 pc=add_rect(px,py,ep,pc,3, 500-wr,225,500+wr,755) 114 meta[0]=4; meta[1]=16; return 0 115} 116 117func append_glyph(g: *u8, go: i64, ep: *i64, px: *i64, py: *i64, meta: *i64) -> i64 { 118 let nc: i64=meta[0]; let np: i64=meta[1] 119 if nc==0 { return go } 120 var xmin: i64=px[0]; var xmax: i64=px[0]; var ymin: i64=py[0]; var ymax: i64=py[0] 121 var i: i64=0 122 while i<np { if px[i]<xmin{xmin=px[i]} if px[i]>xmax{xmax=px[i]} if py[i]<ymin{ymin=py[i]} if py[i]>ymax{ymax=py[i]} i=i+1 } 123 var o: i64=go 124 o=w16(g,o,si16(nc)); o=w16(g,o,si16(xmin)); o=w16(g,o,si16(ymin)); o=w16(g,o,si16(xmax)); o=w16(g,o,si16(ymax)) 125 i=0; while i<nc { o=w16(g,o,ep[i]); i=i+1 } 126 o=w16(g,o,0) 127 i=0; while i<np { o=w8(g,o,1); i=i+1 } 128 var prev: i64=0; i=0; while i<np { o=w16(g,o,si16(px[i]-prev)); prev=px[i]; i=i+1 } 129 prev=0; i=0; while i<np { o=w16(g,o,si16(py[i]-prev)); prev=py[i]; i=i+1 } 130 if o%2 != 0 { o=w8(g,o,0) } 131 return o 132} 133 134func main() -> i64 { 135 let NG: i64=9 // .notdef + 8 Han 136 let NCP: i64=8 137 let cp: *i64=sys_mmap(80) as *i64 138 let gid: *i64=sys_mmap(80) as *i64 139 cp[0]=MAGIC_MAGIC_20096; gid[0]=1 // 4E00 一 140 cp[1]=MAGIC_MAGIC_20105; gid[1]=2 // 4E09 三 141 cp[2]=MAGIC_MAGIC_20108; gid[2]=3 // 4E8C 二 142 cp[3]=MAGIC_MAGIC_21313; gid[3]=4 // MAGIC_MAGIC_5341 十 143 cp[4]=MAGIC_MAGIC_21475; gid[4]=5 // 53E3 口 144 cp[5]=MAGIC_MAGIC_26085; gid[5]=6 // 65E5 日 145 cp[6]=MAGIC_MAGIC_30000; gid[6]=7 // MAGIC_MAGIC_7530 田 146 cp[7]=MAGIC_MAGIC_29579; gid[7]=8 // 738B 王 147 148 let ep: *i64=sys_mmap(128) as *i64 149 let px: *i64=sys_mmap(512) as *i64 150 let py: *i64=sys_mmap(512) as *i64 151 let meta: *i64=sys_mmap(16) as *i64 152 let g: *u8=sys_mmap(MAGIC_MAGIC_8192) 153 let goff: *i64=sys_mmap(128) as *i64 154 let wr: i64=58 155 var go: i64=0 156 var q: i64=0 157 while q<NG { goff[q]=go; gen_han(q,wr,ep,px,py,meta); go=append_glyph(g,go,ep,px,py,meta); q=q+1 } 158 goff[NG]=go 159 let glyf_len: i64=go 160 161 let buf: *u8=sys_mmap(MAGIC_MAGIC_16384) 162 let toff: *i64=sys_mmap(128) as *i64 163 let tlen: *i64=sys_mmap(128) as *i64 164 let tcs: *i64=sys_mmap(128) as *i64 165 let NT: i64=10 166 var o: i64=12 + 16*NT 167 168 // OS/2 169 o=align4(o); toff[0]=o 170 o=w16(buf,o,4); o=w16(buf,o,si16(1000)); o=w16(buf,o,400); o=w16(buf,o,5); o=w16(buf,o,0) 171 o=w16(buf,o,si16(650));o=w16(buf,o,si16(700));o=w16(buf,o,si16(0));o=w16(buf,o,si16(140)) 172 o=w16(buf,o,si16(650));o=w16(buf,o,si16(700));o=w16(buf,o,si16(0));o=w16(buf,o,si16(480)) 173 o=w16(buf,o,si16(50));o=w16(buf,o,si16(260)); o=w16(buf,o,si16(0)) 174 var pi: i64=0; while pi<10 { o=w8(buf,o,0); pi=pi+1 } 175 o=w32(buf,o,0);o=w32(buf,o,0);o=w32(buf,o,0);o=w32(buf,o,0) 176 o=w8(buf,o,78);o=w8(buf,o,73);o=w8(buf,o,83);o=w8(buf,o,72) 177 o=w16(buf,o,64); o=w16(buf,o,MAGIC_MAGIC_20096); o=w16(buf,o,MAGIC_MAGIC_29579) 178 o=w16(buf,o,si16(800));o=w16(buf,o,si16(-200));o=w16(buf,o,si16(0)) 179 o=w16(buf,o,880);o=w16(buf,o,120) 180 o=w32(buf,o,0);o=w32(buf,o,0) 181 o=w16(buf,o,si16(500));o=w16(buf,o,si16(700)); o=w16(buf,o,0);o=w16(buf,o,MAGIC_MAGIC_20096);o=w16(buf,o,1) 182 tlen[0]=o-toff[0]; o=align4(o); tcs[0]=csum(buf,toff[0],o-toff[0]) 183 184 // cmap: generic format-4 from cp[]/gid[] (scattered BMP) 185 o=align4(o); toff[1]=o 186 o=w16(buf,o,0); o=w16(buf,o,1); o=w16(buf,o,3); o=w16(buf,o,1); o=w32(buf,o,12) 187 let sub0: i64=o 188 let segCount: i64=NCP+1 189 o=w16(buf,o,4) 190 let lenpos: i64=o; o=w16(buf,o,0) 191 o=w16(buf,o,0) 192 o=w16(buf,o,segCount*2) 193 var p2: i64=1; while p2*2<=segCount { p2=p2*2 } 194 o=w16(buf,o,p2*2) 195 var es: i64=0; var tp: i64=p2; while tp>1 { tp=tp/2; es=es+1 } 196 o=w16(buf,o,es) 197 o=w16(buf,o,segCount*2 - p2*2) 198 var ci: i64=0; while ci<NCP { o=w16(buf,o,cp[ci]); ci=ci+1 } 199 o=w16(buf,o,MAGIC_MAGIC_65535) 200 o=w16(buf,o,0) 201 ci=0; while ci<NCP { o=w16(buf,o,cp[ci]); ci=ci+1 } 202 o=w16(buf,o,MAGIC_MAGIC_65535) 203 ci=0; while ci<NCP { var dd: i64=gid[ci]-cp[ci]; if dd<0 { dd=dd+MAGIC_MAGIC_65536 } o=w16(buf,o,dd); ci=ci+1 } 204 o=w16(buf,o,1) 205 ci=0; while ci<segCount { o=w16(buf,o,0); ci=ci+1 } 206 w16(buf, lenpos, o - sub0) 207 tlen[1]=o-toff[1]; o=align4(o); tcs[1]=csum(buf,toff[1],o-toff[1]) 208 209 // glyf 210 o=align4(o); toff[2]=o 211 var gj: i64=0; while gj<glyf_len { buf[o]=g[gj]; o=o+1; gj=gj+1 } 212 tlen[2]=o-toff[2]; o=align4(o); tcs[2]=csum(buf,toff[2],o-toff[2]) 213 214 // head 215 o=align4(o); toff[3]=o 216 o=w32(buf,o,MAGIC_MAGIC_65536); o=w32(buf,o,MAGIC_MAGIC_65536); o=w32(buf,o,0); o=w32(buf,o,MAGIC_MAGIC_1594834165) 217 o=w16(buf,o,11); o=w16(buf,o,1000) 218 o=w32(buf,o,0);o=w32(buf,o,0); o=w32(buf,o,0);o=w32(buf,o,0) 219 o=w16(buf,o,si16(0));o=w16(buf,o,si16(0));o=w16(buf,o,1000);o=w16(buf,o,850) 220 o=w16(buf,o,0); o=w16(buf,o,8); o=w16(buf,o,2); o=w16(buf,o,0); o=w16(buf,o,0) 221 tlen[3]=o-toff[3]; o=align4(o); tcs[3]=csum(buf,toff[3],o-toff[3]) 222 223 // hhea 224 o=align4(o); toff[4]=o 225 o=w32(buf,o,MAGIC_MAGIC_65536); o=w16(buf,o,si16(850)); o=w16(buf,o,si16(-150)); o=w16(buf,o,si16(0)) 226 o=w16(buf,o,1000); o=w16(buf,o,si16(0)); o=w16(buf,o,si16(0)); o=w16(buf,o,si16(1000)) 227 o=w16(buf,o,si16(1)); o=w16(buf,o,si16(0)); o=w16(buf,o,si16(0)) 228 o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0) 229 o=w16(buf,o,si16(0)); o=w16(buf,o,NG) 230 tlen[4]=o-toff[4]; o=align4(o); tcs[4]=csum(buf,toff[4],o-toff[4]) 231 232 // hmtx: NG metrics (.notdef 600, Han full-width 1000) 233 o=align4(o); toff[5]=o 234 o=w16(buf,o,600); o=w16(buf,o,si16(0)) 235 var hi: i64=1; while hi<NG { o=w16(buf,o,1000); o=w16(buf,o,si16(0)); hi=hi+1 } 236 tlen[5]=o-toff[5]; o=align4(o); tcs[5]=csum(buf,toff[5],o-toff[5]) 237 238 // loca (short): NG+1 entries 239 o=align4(o); toff[6]=o 240 var li: i64=0; while li<NG+1 { o=w16(buf,o,goff[li]/2); li=li+1 } 241 tlen[6]=o-toff[6]; o=align4(o); tcs[6]=csum(buf,toff[6],o-toff[6]) 242 243 // maxp 244 o=align4(o); toff[7]=o 245 o=w32(buf,o,MAGIC_MAGIC_65536); o=w16(buf,o,NG); o=w16(buf,o,24); o=w16(buf,o,6) 246 o=w16(buf,o,0);o=w16(buf,o,0); o=w16(buf,o,2); o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0);o=w16(buf,o,0) 247 tlen[7]=o-toff[7]; o=align4(o); tcs[7]=csum(buf,toff[7],o-toff[7]) 248 249 // name 250 o=align4(o); toff[8]=o 251 o=w16(buf,o,0); o=w16(buf,o,4); o=w16(buf,o,54) 252 o=w16(buf,o,3);o=w16(buf,o,1);o=w16(buf,o,MAGIC_MAGIC_1033);o=w16(buf,o,1);o=w16(buf,o,18);o=w16(buf,o,0) 253 o=w16(buf,o,3);o=w16(buf,o,1);o=w16(buf,o,MAGIC_MAGIC_1033);o=w16(buf,o,2);o=w16(buf,o,14);o=w16(buf,o,18) 254 o=w16(buf,o,3);o=w16(buf,o,1);o=w16(buf,o,MAGIC_MAGIC_1033);o=w16(buf,o,4);o=w16(buf,o,18);o=w16(buf,o,0) 255 o=w16(buf,o,3);o=w16(buf,o,1);o=w16(buf,o,MAGIC_MAGIC_1033);o=w16(buf,o,6);o=w16(buf,o,16);o=w16(buf,o,32) 256 o=w8(buf,o,0);o=w8(buf,o,78);o=w8(buf,o,0);o=w8(buf,o,105);o=w8(buf,o,0);o=w8(buf,o,115);o=w8(buf,o,0);o=w8(buf,o,104);o=w8(buf,o,0);o=w8(buf,o,105);o=w8(buf,o,0);o=w8(buf,o,32);o=w8(buf,o,0);o=w8(buf,o,72);o=w8(buf,o,0);o=w8(buf,o,97);o=w8(buf,o,0);o=w8(buf,o,110) 257 o=w8(buf,o,0);o=w8(buf,o,82);o=w8(buf,o,0);o=w8(buf,o,101);o=w8(buf,o,0);o=w8(buf,o,103);o=w8(buf,o,0);o=w8(buf,o,117);o=w8(buf,o,0);o=w8(buf,o,108);o=w8(buf,o,0);o=w8(buf,o,97);o=w8(buf,o,0);o=w8(buf,o,114) 258 o=w8(buf,o,0);o=w8(buf,o,78);o=w8(buf,o,0);o=w8(buf,o,105);o=w8(buf,o,0);o=w8(buf,o,115);o=w8(buf,o,0);o=w8(buf,o,104);o=w8(buf,o,0);o=w8(buf,o,105);o=w8(buf,o,0);o=w8(buf,o,72);o=w8(buf,o,0);o=w8(buf,o,97);o=w8(buf,o,0);o=w8(buf,o,110) 259 tlen[8]=o-toff[8]; o=align4(o); tcs[8]=csum(buf,toff[8],o-toff[8]) 260 261 // post 262 o=align4(o); toff[9]=o 263 o=w32(buf,o,MAGIC_MAGIC_196608); o=w32(buf,o,0); o=w16(buf,o,si16(-100)); o=w16(buf,o,50); o=w32(buf,o,0);o=w32(buf,o,0);o=w32(buf,o,0);o=w32(buf,o,0);o=w32(buf,o,0) 264 tlen[9]=o-toff[9]; o=align4(o); tcs[9]=csum(buf,toff[9],o-toff[9]) 265 266 let total: i64=o 267 var hh: i64=0 268 hh=w32(buf,hh,MAGIC_MAGIC_65536); hh=w16(buf,hh,NT); hh=w16(buf,hh,128); hh=w16(buf,hh,3); hh=w16(buf,hh,32) 269 let tags: *u8="OS/2cmapglyfheadhheahmtxlocamaxpnamepost" as *u8 270 var d: i64=12; var ti: i64=0 271 while ti<NT { buf[d]=tags[ti*4]; buf[d+1]=tags[ti*4+1]; buf[d+2]=tags[ti*4+2]; buf[d+3]=tags[ti*4+3] 272 w32(buf,d+4,tcs[ti]); w32(buf,d+8,toff[ti]); w32(buf,d+12,tlen[ti]); d=d+16; ti=ti+1 } 273 let fsum0: i64=csum(buf,0,total) 274 var adj: i64=MAGIC_ADJ - fsum0 275 if adj<0 { adj=adj+MAGIC_MAGIC_4294967296 } 276 w32(buf, toff[3]+8, adj) 277 278 let fd: i64=sys_openat_wr("web_assets/nishi_cjk.ttf" as *u8, 420) 279 if fd<0 { sw("SAVE-FAIL\n" as *u8); return 6 } 280 sys_write(fd, buf, total); sys_close(fd) 281 let fs: i64=csum(buf,0,total) 282 sw("nx_font_cjk: 8 REAL Han chars generated -> web_assets/nishi_cjk.ttf (" as *u8); sn(total); sw("B) self-check=" as *u8) 283 if fs==MAGIC_ADJ { sw("PASS\n" as *u8) } else { sw("FAIL\n" as *u8) } 284 285 // test page: @font-face + the Han chars via numeric refs (ASCII source) 286 let b64: *u8=sys_mmap(MAGIC_MAGIC_65536) 287 b64_encode(buf, total, b64) 288 let pg: *u8=sys_mmap(MAGIC_MAGIC_131072) 289 var po: i64=0 290 po=he_puts(pg,po,"<!DOCTYPE html><html lang=\"zh\"><head><meta charset=\"utf-8\"><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"><meta name=\"color-scheme\" content=\"dark\"><title>Nishi Han &mdash; sovereign CJK from strokes</title><style>@font-face{font-family:'Nishi Han';src:url(data:font/ttf;base64," as *u8) 291 po=he_puts(pg,po,b64) 292 po=he_puts(pg,po,") format('truetype')}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:radial-gradient(1100px 560px at 50% -10%,#241016,#0A0A0F);color:#F5F5FA;font-family:ui-sans-serif,system-ui,sans-serif}.wrap{text-align:center;padding:32px;max-width:900px}.tag{display:inline-block;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:#9EA0B8;margin-bottom:18px}.han{font-family:'Nishi Han';font-size:clamp(3rem,13vw,8rem);line-height:1.15;letter-spacing:.08em;background:linear-gradient(100deg,#FF7A59,#FFC24B);-webkit-background-clip:text;background-clip:text;color:transparent}.note{color:#9EA0B8;max-width:52ch;margin:30px auto 0;font-size:1.05rem;line-height:1.65}.note b{color:#F5F5FA}.mono{font-family:ui-monospace,Consolas,monospace;color:#FF7A59}</style></head><body><div class=\"wrap\">" as *u8) 293 po=he_puts(pg,po,"<span class=\"tag\">&#9733; real Chinese characters, generated from strokes</span>" as *u8) 294 po=he_puts(pg,po,"<div class=\"han\">&#x4E00;&#x4E8C;&#x4E09;&#x5341;</div>" as *u8) 295 po=he_puts(pg,po,"<div class=\"han\">&#x53E3;&#x65E5;&#x7530;&#x738B;</div>" as *u8) 296 po=he_puts(pg,po,"<p class=\"note\">These are 8 real Han characters &mdash; &#x4E00;(one) &#x4E8C;(two) &#x4E09;(three) &#x5341;(ten) &#x53E3;(mouth) &#x65E5;(sun) &#x7530;(field) &#x738B;(king) &mdash; each generated by <span class=\"mono\">nx_font_cjk</span> from horizontal/vertical STROKES (Han is stroke-based, so our stroke generator fits it naturally), mapped to their true Unicode codepoints (U+4E00&hellip;) via a sovereign cmap. A proof the generator reaches CJK &mdash; <b>not</b> coverage: full CJK is 101,000+ Han characters, the scale rung ahead.</p>" as *u8) 297 po=he_puts(pg,po,"</div></body></html>" as *u8) 298 let pfd: i64=sys_openat_wr("web_assets/nishi_cjk.html" as *u8, 420) 299 if pfd<0 { sw("PAGE-FAIL\n" as *u8); return 7 } 300 sys_write(pfd, pg, po); sys_close(pfd) 301 sw(" -> web_assets/nishi_cjk.html (open to SEE our own Chinese characters)\n" as *u8) 302 return 0 303}