@sutton-signwriting/font-ttf
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a javascript package for node that generates SVG and PNG images for individual symbols, complete signs, and structured text. The package covers the entire set of the International SignWritnig Alphabet 2010 (ISWA 2010).
3 lines (2 loc) • 37.1 kB
JavaScript
/* Sutton SignWriting TrueType Font Module v1.6.0 (https://github.com/sutton-signwriting/font-ttf), author: Steve Slevinski (https://SteveSlevinski.me), license: MIT */
let t={};const e=152;let o;const l=function(l){if(l in t)return[...t[l]];if(!o){const t=document.createElement("canvas");t.width=e,t.height=e,o=t.getContext("2d",{willReadFrequently:!0})}o.clearRect(0,0,e,e),o.font="60px 'SuttonSignWritingLine'",o.fillText(String.fromCodePoint(l+983040),0,0);const i=o.getImageData(0,0,e,e).data;let n,s,a,r;t:for(n=151;n>=0;n--)for(s=0;s<e;s+=1)for(r=0;r<4;r+=1)if(a=4*n+4*s*e+r,i[a])break t;var d=n;t:for(s=151;s>=0;s--)for(n=0;n<d;n+=1)for(r=0;r<4;r+=1)if(a=4*n+4*s*e+r,i[a])break t;var 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d+=c||m?"!":"",d+=m?m+"!":"",e+(a||d?"-"+a:"")+(d?"-"+d:"")},B=t=>{const e=w(t);if(!e.symbol)return"";let o,l,i,n,s=D(e.style);if(e.coord)o=e.coord[0],l=e.coord[1],i=500-o+500,n=500-l+500;else{let t=W(e.symbol);if(!t)return"";o=500-parseInt((t[0]+1)/2),l=500-parseInt((t[1]+1)/2),i=500-o+500,n=500-l+500}let a,r=O(e.symbol);r=` <g transform="translate(${o},${l})">\n${r}\n </g>`,s.colorize?a=R(e.symbol):s.detail&&(a=s.detail[0]),a&&(r=r.replace(/class="sym-line" fill="black"/,`class="sym-line" fill="${a}"`));let d=s.detail&&s.detail[1];d&&(r=r.replace(/class="sym-fill" fill="white"/,`class="sym-fill" fill="${d}"`));let c="";return s.padding&&(o-=s.padding,l-=s.padding,i+=s.padding,n+=s.padding),s.background&&(c=`\n <rect x="${o}" y="${l}" width="${i-o}" height="${n-l}" style="fill:${s.background};" />`),` <text font-size="0">${t}</text>${c}\n${r}`},X=t=>{let e=z(t);if(e.spatials){let o=D(e.style);o.detailsym&&o.detailsym.forEach((t=>{e.spatials[t.index-1]&&(e.spatials[t.index-1].detail=t.detail)}));let l=Math.min(...e.spatials.map((t=>t.coord[0]))),i=Math.min(...e.spatials.map((t=>t.coord[1]))),n=e.max[0],s=e.max[1],a="";o.padding&&(l-=o.padding,i-=o.padding,n+=o.padding,s+=o.padding),o.background&&(a=`\n <rect x="${l}" y="${i}" width="${n-l}" height="${s-i}" style="fill:${o.background};" />`);let r=` <text font-size="0">${t}</text>${a}`;const d=o.detail&&o.detail[0],c=o.detail&&o.detail[1];return r+="\n"+e.spatials.map((t=>{let e=O(t.symbol),l=d;t.detail?l=t.detail[0]:o.colorize&&(l=R(t.symbol)),l&&(e=e.replace(/class="sym-line" fill="black"/,`class="sym-line" fill="${l}"`));let i=c;return t.detail&&t.detail[1]&&(i=t.detail[1]),i&&(e=e.replace(/class="sym-fill" fill="white"/,`class="sym-fill" fill="${i}"`)),` <g transform="translate(${t.coord[0]},${t.coord[1]})">\n${e}\n </g>`})).join("\n"),r}return""},Y=(t,e)=>{"object"!=typeof e&&(e={});const 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s=n.detail&&n.detail[0]||"black",a=n.detail&&n.detail[1]||"white";l.spatials.forEach((e=>{let o=s;e.detail?o=e.detail[0]:n.colorize&&(o=mt(e.symbol));let l=a;e.detail&&e.detail[1]&&(l=e.detail[1]),i.font=30*t.zoom+"px 'SuttonSignWritingFill'",i.fillStyle=l,i.fillText(ft(e.symbol),t.x+(e.coord[0]-t.minX)*t.zoom,t.y+(e.coord[1]-t.minY)*t.zoom),i.font=30*t.zoom+"px 'SuttonSignWritingLine'",i.fillStyle=o,i.fillText(pt(e.symbol),t.x+(e.coord[0]-t.minX)*t.zoom,t.y+(e.coord[1]-t.minY)*t.zoom)}))})),l}(t,e),l=o.toDataURL("image/png");return o.remove(),l};var $t=Object.freeze({__proto__:null,symbolSize:gt,symbolLine:pt,symbolFill:ft,symbolText:yt,symbolSvgBody:ut,symbolSvg:t=>{const e=tt(t),o='<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="1" height="1"></svg>';if(!e.symbol)return o;let l,i,n,s,a=D(e.style);if(e.coord)l=e.coord[0],i=e.coord[1],n=500-l+500,s=500-i+500;else{let t=gt(e.symbol);if(!t)return o;l=parseInt(500-t[0]/2),i=parseInt(500-t[1]/2),n=l+t[0],s=i+t[1]}let r="";a.classes&&(r=` class="${a.classes}"`);let d="";a.id&&(d=` id="${a.id}"`),a.padding&&(l-=a.padding,i-=a.padding,n+=a.padding,s+=a.padding);let c="";return"x"!=a.zoom&&(c=` width="${(n-l)*(a.zoom?a.zoom:1)}" height="${(s-i)*(a.zoom?a.zoom:1)}"`),`<svg${r}${d} version="1.1" xmlns="http://www.w3.org/2000/svg"${c} viewBox="${l} ${i} ${n-l} ${s-i}">\n${ut(t)}\n</svg>`},symbolPng:t=>{const e=function(t){const e=tt(t);if(e.symbol){let t=gt(e.symbol);if(t){const o=document.createElement("canvas"),l=o.getContext("2d");let i=D(e.style),n="black";i.colorize?n=mt(e.symbol):i.detail&&(n=i.detail[0]);let s=i.detail&&i.detail[1]||"white",a=500,r=a+t[0],d=500,c=d+t[1];i.padding&&(a-=i.padding,d-=i.padding,r+=i.padding,c+=i.padding);let m=1;"x"!=i.zoom&&(m=i.zoom);let g=(r-a)*m,p=(c-d)*m;return o.width=g||1,o.height=p||1,i.background&&(l.rect(0,0,g,p),l.fillStyle=i.background,l.fill()),l.font=30*m+"px 'SuttonSignWritingFill'",l.fillStyle=s,l.fillText(ft(e.symbol),(500-a)*m,(500-d)*m),l.font=30*m+"px 'SuttonSignWritingLine'",l.fillStyle=n,l.fillText(pt(e.symbol),(500-a)*m,(500-d)*m),o}}}(t),o=e.toDataURL("image/png");return e.remove(),o},symbolNormalize:t=>{const e=tt(t);if(!e.symbol)return null;{let t=gt(e.symbol);if(t)return`${e.symbol}${c([500-parseInt((t[0]+1)/2),500-parseInt((t[1]+1)/2)])}${e.style||""}`}},symbolMirror:t=>{let e=tt(t);if(!e.symbol)return t;if(!gt(e.symbol))return t;e.symbol=y(e.symbol);const o=e.symbol.slice(0,4);let l=e.symbol.slice(4,5),i=parseInt(e.symbol.slice(5,6),16);const n=o+"18";var s;gt(u(o+"08"))||gt(u(n))?s=8:(0!==i&&4!=i||(s=0),1!=i&&5!=i||(s=6),2!=i&&6!=i||(s=4),3!=i&&7!=i||(s=2));let a="";for(;!a||!gt(u(a));)i+=s,i>7&&s<8&&(i-=8),i>15&&(i-=16),a=o+l+i.toString(16);return e.symbol=u(a),lt(e)},symbolInvert:t=>{let e=tt(t);if(!e.symbol)return t;if(!gt(e.symbol))return t;e.symbol=y(e.symbol);const o=e.symbol.slice(0,4);let l=e.symbol.slice(4,5),i=e.symbol.slice(5,6);const n=o+"18";let s;if(s=gt(u(o+"08"))||gt(u(n))?{0:"c",1:"d",2:"e",3:"f",4:"8",5:"9",6:"a",7:"b",c:"0",d:"1",e:"2",f:"3",8:"4",9:"5",a:"6",b:"7"}:{0:"4",1:"3",2:"2",3:"1",4:"0",5:"7",6:"6",7:"5"},i in s){const t=o+l+s[i];gt(u(t))&&(e.symbol=u(t))}return lt(e)},symbolRotate:(t,e=!0)=>{let o=tt(t);if(!o.symbol)return t;if(!gt(o.symbol))return t;o.symbol=y(o.symbol);const l=e?1:-1,i=o.symbol.slice(0,4);let n=o.symbol.slice(4,5),s=parseInt(o.symbol.slice(5,6),16),a="";for(;!a||!gt(u(a));)s>7?(s+=l,s>15&&(s=8),s<8&&(s=15),a=i+n+s.toString(16)):(s-=l,s>7&&(s=0),s<0&&(s=7),a=i+n+s);return o.symbol=u(a),lt(o)},symbolFlop:(t,e=!0)=>{let o=tt(t);if(!o.symbol)return t;if(!gt(o.symbol))return t;o.symbol=y(o.symbol);const l=e?1:-1,i=o.symbol.slice(0,4);let n=parseInt(o.symbol.slice(4,5)),s=o.symbol.slice(5,6),a="";for(;!a||!gt(u(a));)n+=l,n>5&&(n=0),n<0&&(n=5),a=i+n+s;return o.symbol=u(a),lt(o)},symbolScroll:(t,e=!0)=>{let o=tt(t);if(!o.symbol)return t;if(!gt(o.symbol))return t;o.symbol=y(o.symbol);const l=e?1:-1,i=parseInt(o.symbol.slice(1,4),16)+l,n=o.symbol.slice(4,5),s=o.symbol.slice(5,6),a="S"+i.toString(16)+n+s;return 6==a.length&>(u(a))&&(o.symbol=a),o.symbol=u(o.symbol),lt(o)},signSvgBody:bt,signSvg:t=>{let e=et(t);if(e.spatials){let o=D(e.style),l=Math.min(...e.spatials.map((t=>t.coord[0]))),i=Math.min(...e.spatials.map((t=>t.coord[1]))),n=e.max[0],s=e.max[1],a="";o.classes&&(a=` class="${o.classes}"`);let r="";o.id&&(r=` id="${o.id}"`),o.padding&&(l-=o.padding,i-=o.padding,n+=o.padding,s+=o.padding);let d="";"x"!=o.zoom&&(d=` width="${(n-l)*(o.zoom?o.zoom:1)}" height="${(s-i)*(o.zoom?o.zoom:1)}"`);let c=`<svg${a}${r} version="1.1" xmlns="http://www.w3.org/2000/svg"${d} viewBox="${l} ${i} ${n-l} ${s-i}">\n`;return c+=bt(t),c+="\n</svg>",c}return'<svg version="1.1" xmlns="http://www.w3.org/2000/svg" width="1" height="1"></svg>'},signPng:t=>{const e=function(t){const e=et(t);if(e.spatials){const t=document.createElement("canvas"),o=t.getContext("2d");let l=D(e.style);l.detailsym&&l.detailsym.forEach((t=>{e.spatials[t.index-1]&&(e.spatials[t.index-1].detail=t.detail)}));let i=Math.min(...e.spatials.map((t=>t.coord[0]))),n=Math.min(...e.spatials.map((t=>t.coord[1]))),s=e.max[0],a=e.max[1];l.padding&&(i-=l.padding,n-=l.padding,s+=l.padding,a+=l.padding);let r=1;"x"!=l.zoom&&(r=l.zoom);let d=(s-i)*r,c=(a-n)*r;t.width=d||1,t.height=c||1,l.background&&(o.rect(0,0,d,c),o.fillStyle=l.background,o.fill());const m=l.detail&&l.detail[0]||"black",g=l.detail&&l.detail[1]||"white";return e.spatials.forEach((t=>{let e=m;t.detail?e=t.detail[0]:l.colorize&&(e=mt(t.symbol));let s=g;t.detail&&t.detail[1]&&(s=t.detail[1]),o.font=30*r+"px 'SuttonSignWritingFill'",o.fillStyle=s,o.fillText(ft(t.symbol),(t.coord[0]-i)*r,(t.coord[1]-n)*r),o.font=30*r+"px 'SuttonSignWritingLine'",o.fillStyle=e,o.fillText(pt(t.symbol),(t.coord[0]-i)*r,(t.coord[1]-n)*r)})),t}}(t),o=e.toDataURL("image/png");return e.remove(),o},signNormalize:t=>{const e=et(t);if(e.spatials){const t=e.spatials.reduce(((t,e)=>{const o=gt(e.symbol);return t[e.symbol]={width:o[0],height:o[1]},t}),{}),o=e=>({x1:Math.min(...e.map((t=>t.coord[0]))),y1:Math.min(...e.map((t=>t.coord[1]))),x2:Math.max(...e.map((e=>e.coord[0]+parseInt(t[e.symbol].width)))),y2:Math.max(...e.map((e=>e.coord[1]+parseInt(t[e.symbol].height))))}),l=rt,i=e.spatials.filter((t=>{const e=parseInt(t.symbol.slice(1,4),16);return l[0]<=e&&l[1]>=e})),n=dt,s=e.spatials.filter((t=>{const e=parseInt(t.symbol.slice(1,4),16);return n[0]<=e&&n[1]>=e}));let a=o(e.spatials),r=[a.x2,a.y2];if(i.length){const t=o(i);a.x1=t.x1,a.x2=t.x2}if(s.length){const t=o(s);a.y1=t.y1,a.y2=t.y2}const d=[parseInt((a.x2+a.x1)/2)-500,parseInt((a.y2+a.y1)/2)-500];return(e.sequence?"𝠀"+e.sequence.join(""):"")+e.box+c([r[0]-d[0],r[1]-d[1]])+e.spatials.map((t=>t.symbol+c([t.coord[0]-d[0],t.coord[1]-d[1]]))).join("")+(e.style||"")}},columnSvg:ht,columnsSvg:function(t,e){"object"!=typeof e&&(e={});let o=st(t,e);return o.columns.map(((t,e)=>ht(t,{...o.options,width:o.widths[e]})))},columnPng:xt,columnsPng:function(t,e){"object"!=typeof e&&(e={});let o=st(t,e);return o.columns.map(((t,e)=>xt(t,{...o.options,width:o.widths[e]})))}});export{d as font,U as fsw,$t as swu};