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Commit Description:
fix wrong merge
Commit Description:
fix wrong merge
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node_modules/fontkit/src/DFont.js
| 108 lines
| 2.4 KiB
| application/javascript
| JavascriptLexer
|
| r789 | import r from 'restructure'; | |||
| import TTFFont from './TTFFont'; | ||||
| let DFontName = new r.String(r.uint8); | ||||
| let DFontData = new r.Struct({ | ||||
| len: r.uint32, | ||||
| buf: new r.Buffer('len') | ||||
| }); | ||||
| let Ref = new r.Struct({ | ||||
| id: r.uint16, | ||||
| nameOffset: r.int16, | ||||
| attr: r.uint8, | ||||
| dataOffset: r.uint24, | ||||
| handle: r.uint32 | ||||
| }); | ||||
| let Type = new r.Struct({ | ||||
| name: new r.String(4), | ||||
| maxTypeIndex: r.uint16, | ||||
| refList: new r.Pointer(r.uint16, new r.Array(Ref, t => t.maxTypeIndex + 1), { type: 'parent' }) | ||||
| }); | ||||
| let TypeList = new r.Struct({ | ||||
| length: r.uint16, | ||||
| types: new r.Array(Type, t => t.length + 1) | ||||
| }); | ||||
| let DFontMap = new r.Struct({ | ||||
| reserved: new r.Reserved(r.uint8, 24), | ||||
| typeList: new r.Pointer(r.uint16, TypeList), | ||||
| nameListOffset: new r.Pointer(r.uint16, 'void') | ||||
| }); | ||||
| let DFontHeader = new r.Struct({ | ||||
| dataOffset: r.uint32, | ||||
| map: new r.Pointer(r.uint32, DFontMap), | ||||
| dataLength: r.uint32, | ||||
| mapLength: r.uint32 | ||||
| }); | ||||
| export default class DFont { | ||||
| static probe(buffer) { | ||||
| let stream = new r.DecodeStream(buffer); | ||||
| try { | ||||
| var header = DFontHeader.decode(stream); | ||||
| } catch (e) { | ||||
| return false; | ||||
| } | ||||
| for (let type of header.map.typeList.types) { | ||||
| if (type.name === 'sfnt') { | ||||
| return true; | ||||
| } | ||||
| } | ||||
| return false; | ||||
| } | ||||
| constructor(stream) { | ||||
| this.stream = stream; | ||||
| this.header = DFontHeader.decode(this.stream); | ||||
| for (let type of this.header.map.typeList.types) { | ||||
| for (let ref of type.refList) { | ||||
| if (ref.nameOffset >= 0) { | ||||
| this.stream.pos = ref.nameOffset + this.header.map.nameListOffset; | ||||
| ref.name = DFontName.decode(this.stream); | ||||
| } else { | ||||
| ref.name = null; | ||||
| } | ||||
| } | ||||
| if (type.name === 'sfnt') { | ||||
| this.sfnt = type; | ||||
| } | ||||
| } | ||||
| } | ||||
| getFont(name) { | ||||
| if (!this.sfnt) { | ||||
| return null; | ||||
| } | ||||
| for (let ref of this.sfnt.refList) { | ||||
| let pos = this.header.dataOffset + ref.dataOffset + 4; | ||||
| let stream = new r.DecodeStream(this.stream.buffer.slice(pos)); | ||||
| let font = new TTFFont(stream); | ||||
| if (font.postscriptName === name) { | ||||
| return font; | ||||
| } | ||||
| } | ||||
| return null; | ||||
| } | ||||
| get fonts() { | ||||
| let fonts = []; | ||||
| for (let ref of this.sfnt.refList) { | ||||
| let pos = this.header.dataOffset + ref.dataOffset + 4; | ||||
| let stream = new r.DecodeStream(this.stream.buffer.slice(pos)); | ||||
| fonts.push(new TTFFont(stream)); | ||||
| } | ||||
| return fonts; | ||||
| } | ||||
| } | ||||