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foliojs / fontkit

An advanced font engine for Node and the browser
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RangeError('Index out of range') in the layout method #179

Closed defue closed 5 years ago

defue commented 6 years ago

Code:

const fontkit = require('fontkit');
const font = fontkit.openSync('simple_slum.ttf');
const run = font.layout("t’internet");

Output:

buffer.js:977
    throw new RangeError('Index out of range');
    ^

RangeError: Index out of range
    at checkOffset (buffer.js:977:11)
    at Buffer.readInt16BE (buffer.js:1121:5)
    at DecodeStream.(anonymous function) [as readInt16BE] (/home/user/temp/node_modules/restructure/src/DecodeStream.js:38:35)
    at NumberT.decode (/home/user/temp/node_modules/restructure/src/Number.js:24:38)
    at Struct._parseFields (/home/user/temp/node_modules/restructure/src/Struct.js:53:22)
    at Struct.decode (/home/user/temp/node_modules/restructure/src/Struct.js:18:12)
    at TTFGlyph._getCBox (/home/user/temp/node_modules/fontkit/index.js:11315:28)
    at TTFGlyph._getMetrics (/home/user/temp/node_modules/fontkit/index.js:11573:21)
    at TTFGlyph.get (/home/user/temp/node_modules/fontkit/index.js:11207:19)
    at TTFGlyph.descriptor.get (/home/user/temp/node_modules/fontkit/index.js:92:23)

fontkit v1.7.7 nodejs v8.10.0

The font is attached. simple_slum.zip

defue commented 1 year ago

The bug is still in place for v2.0.2 (node v12.22.9). Here is the output:

/home/user/bug/node_modules/restructure/dist/main.cjs:91
        const ret = this.view[key](this.pos, false);
                                  ^

RangeError: Offset is outside the bounds of the DataView
    at DataView.getInt16 (<anonymous>)
    at $8ae20583b93e4933$export$c18b354bac7948e9.<computed> [as readInt16BE] (/home/user/bug/node_modules/restructure/dist/main.cjs:91:35)
    at $af65abf7bf65ac42$export$fffa67e515d04022.decode (/home/user/bug/node_modules/restructure/dist/main.cjs:268:40)
    at $aa8b66bae6abe658$export$eabc71f011df675a._parseFields (/home/user/bug/node_modules/restructure/dist/main.cjs:732:29)
    at $aa8b66bae6abe658$export$eabc71f011df675a.decode (/home/user/bug/node_modules/restructure/dist/main.cjs:703:14)
    at $f680320fa07ef53d$export$2e2bcd8739ae039._getCBox (/home/user/bug/node_modules/fontkit/dist/main.cjs:10906:54)
    at $f680320fa07ef53d$export$2e2bcd8739ae039._getMetrics (/home/user/bug/node_modules/fontkit/dist/main.cjs:11074:25)
    at $f680320fa07ef53d$export$2e2bcd8739ae039.get advanceWidth (/home/user/bug/node_modules/fontkit/dist/main.cjs:10764:21)
    at $f680320fa07ef53d$export$2e2bcd8739ae039.descriptor.get (/home/user/bug/node_modules/fontkit/dist/main.cjs:92:29)
    at /home/user/bug/node_modules/fontkit/dist/main.cjs:10141:115