importFonts 导入字体

importFonts

类型: MethodDeclaration

所属类: Printer

定义位置: printer.ts

描述

导入字体

参数 imports: 导入字体的文件ID列表

参数

参数名	类型	描述	默认值
imports	Array<string>	-	-

返回值

类型: Promise<void>

源代码

位置: 第 1184 行

private static async importFonts(imports: Array<string>): Promise<void> {
    const imported = this.imported
    const importing = this.importing
    const fontFaces = this.fontFaces
    const regexp = /([^/]+)\.\S+\.\S+$/
    const promises = []
    for (const guid of imports) {
      const meta = Data.manifest.guidMap[guid] as FontFileMeta | undefined
      if (!meta) continue
      const path = meta.path
      const name = meta.name ?? path.match(regexp)?.[1]
      // 如果没有名字或已经加载，跳过
      if (!name || imported.includes(name)) {
        continue
      }
      imported.push(name)
      if (guid in fontFaces) {
        document.fonts.add(fontFaces[guid]!)
        continue
      }
      importing.push(name)
      promises.push(Loader.get({
        path: path,
        type: 'arraybuffer',
      }).then(
        buffer => {
          new FontFace(name, buffer).load().then(
            font => {
              fontFaces[guid] = font
              importing.remove(name)
              document.fonts.add(font)
              font.guid = guid
              font.name = name
            },
            error => {
              importing.remove(name)
            },
          )
        },
        error => {
          importing.remove(name)
        },
      ))
    }
    await Promise.all(promises)
  }

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文档生成时间：2025/7/21 20:53:39