index.js.map 18.3 KB
{"version":3,"sources":["../src/index.js"],"names":["xOffsetBasedOnAlignment","constants","font","line","maxWidth","alignment","HORIZONTAL_ALIGN_LEFT","HORIZONTAL_ALIGN_CENTER","drawCharacter","image","x","y","char","width","height","characterPage","pages","page","blit","xoffset","yoffset","printText","text","defaultCharWidth","i","length","chars","test","fontChar","fontKerning","kernings","kerning","xadvance","splitLines","words","split","lines","currentLine","longestLine","forEach","word","join","push","loadPages","Jimp","dir","newPages","map","read","Promise","all","process","env","DIRNAME","__dirname","measureText","measureTextHeight","FONT_SANS_8_BLACK","Path","FONT_SANS_10_BLACK","FONT_SANS_12_BLACK","FONT_SANS_14_BLACK","FONT_SANS_16_BLACK","FONT_SANS_32_BLACK","FONT_SANS_64_BLACK","FONT_SANS_128_BLACK","FONT_SANS_8_WHITE","FONT_SANS_16_WHITE","FONT_SANS_32_WHITE","FONT_SANS_64_WHITE","FONT_SANS_128_WHITE","loadFont","file","cb","throwError","call","resolve","reject","err","String","fromCharCode","id","firstString","first","second","amount","dirname","then","common","info","print","maxHeight","Infinity","alignmentX","alignmentY","undefined","constructor","VERTICAL_ALIGN_TOP","toString","VERTICAL_ALIGN_BOTTOM","VERTICAL_ALIGN_MIDDLE","Object","entries","lineString","alignmentWidth","lineHeight"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAAA;;AACA;;AACA;;AACA;;AAEA,SAASA,uBAAT,CAAiCC,SAAjC,EAA4CC,IAA5C,EAAkDC,IAAlD,EAAwDC,QAAxD,EAAkEC,SAAlE,EAA6E;AAC3E,MAAIA,SAAS,KAAKJ,SAAS,CAACK,qBAA5B,EAAmD;AACjD,WAAO,CAAP;AACD;;AAED,MAAID,SAAS,KAAKJ,SAAS,CAACM,uBAA5B,EAAqD;AACnD,WAAO,CAACH,QAAQ,GAAG,8BAAYF,IAAZ,EAAkBC,IAAlB,CAAZ,IAAuC,CAA9C;AACD;;AAED,SAAOC,QAAQ,GAAG,8BAAYF,IAAZ,EAAkBC,IAAlB,CAAlB;AACD;;AAED,SAASK,aAAT,CAAuBC,KAAvB,EAA8BP,IAA9B,EAAoCQ,CAApC,EAAuCC,CAAvC,EAA0CC,KAA1C,EAAgD;AAC9C,MAAIA,KAAI,CAACC,KAAL,GAAa,CAAb,IAAkBD,KAAI,CAACE,MAAL,GAAc,CAApC,EAAuC;AACrC,QAAMC,aAAa,GAAGb,IAAI,CAACc,KAAL,CAAWJ,KAAI,CAACK,IAAhB,CAAtB;AAEAR,IAAAA,KAAK,CAACS,IAAN,CACEH,aADF,EAEEL,CAAC,GAAGE,KAAI,CAACO,OAFX,EAGER,CAAC,GAAGC,KAAI,CAACQ,OAHX,EAIER,KAAI,CAACF,CAJP,EAKEE,KAAI,CAACD,CALP,EAMEC,KAAI,CAACC,KANP,EAOED,KAAI,CAACE,MAPP;AASD;;AAED,SAAOL,KAAP;AACD;;AAED,SAASY,SAAT,CAAmBnB,IAAnB,EAAyBQ,CAAzB,EAA4BC,CAA5B,EAA+BW,IAA/B,EAAqCC,gBAArC,EAAuD;AACrD,OAAK,IAAIC,CAAC,GAAG,CAAb,EAAgBA,CAAC,GAAGF,IAAI,CAACG,MAAzB,EAAiCD,CAAC,EAAlC,EAAsC;AACpC,QAAIZ,MAAI,SAAR;;AAEA,QAAIV,IAAI,CAACwB,KAAL,CAAWJ,IAAI,CAACE,CAAD,CAAf,CAAJ,EAAyB;AACvBZ,MAAAA,MAAI,GAAGU,IAAI,CAACE,CAAD,CAAX;AACD,KAFD,MAEO,IAAI,KAAKG,IAAL,CAAUL,IAAI,CAACE,CAAD,CAAd,CAAJ,EAAwB;AAC7BZ,MAAAA,MAAI,GAAG,EAAP;AACD,KAFM,MAEA;AACLA,MAAAA,MAAI,GAAG,GAAP;AACD;;AAED,QAAMgB,QAAQ,GAAG1B,IAAI,CAACwB,KAAL,CAAWd,MAAX,KAAoB,EAArC;AACA,QAAMiB,WAAW,GAAG3B,IAAI,CAAC4B,QAAL,CAAclB,MAAd,CAApB;AAEAJ,IAAAA,aAAa,CAAC,IAAD,EAAON,IAAP,EAAaQ,CAAb,EAAgBC,CAAhB,EAAmBiB,QAAQ,IAAI,EAA/B,CAAb;AAEA,QAAMG,OAAO,GACXF,WAAW,IAAIA,WAAW,CAACP,IAAI,CAACE,CAAC,GAAG,CAAL,CAAL,CAA1B,GAA0CK,WAAW,CAACP,IAAI,CAACE,CAAC,GAAG,CAAL,CAAL,CAArD,GAAqE,CADvE;AAGAd,IAAAA,CAAC,IAAIqB,OAAO,IAAIH,QAAQ,CAACI,QAAT,IAAqBT,gBAAzB,CAAZ;AACD;AACF;;AAED,SAASU,UAAT,CAAoB/B,IAApB,EAA0BoB,IAA1B,EAAgClB,QAAhC,EAA0C;AACxC,MAAM8B,KAAK,GAAGZ,IAAI,CAACa,KAAL,CAAW,GAAX,CAAd;AACA,MAAMC,KAAK,GAAG,EAAd;AACA,MAAIC,WAAW,GAAG,EAAlB;AACA,MAAIC,WAAW,GAAG,CAAlB;AAEAJ,EAAAA,KAAK,CAACK,OAAN,CAAc,UAAAC,IAAI,EAAI;AACpB,QAAMrC,IAAI,GAAG,8CAAIkC,WAAJ,IAAiBG,IAAjB,GAAuBC,IAAvB,CAA4B,GAA5B,CAAb;AACA,QAAMhB,MAAM,GAAG,8BAAYvB,IAAZ,EAAkBC,IAAlB,CAAf;;AAEA,QAAIsB,MAAM,IAAIrB,QAAd,EAAwB;AACtB,UAAIqB,MAAM,GAAGa,WAAb,EAA0B;AACxBA,QAAAA,WAAW,GAAGb,MAAd;AACD;;AAEDY,MAAAA,WAAW,CAACK,IAAZ,CAAiBF,IAAjB;AACD,KAND,MAMO;AACLJ,MAAAA,KAAK,CAACM,IAAN,CAAWL,WAAX;AACAA,MAAAA,WAAW,GAAG,CAACG,IAAD,CAAd;AACD;AACF,GAdD;AAgBAJ,EAAAA,KAAK,CAACM,IAAN,CAAWL,WAAX;AAEA,SAAO;AACLD,IAAAA,KAAK,EAALA,KADK;AAELE,IAAAA,WAAW,EAAXA;AAFK,GAAP;AAID;;AAED,SAASK,SAAT,CAAmBC,IAAnB,EAAyBC,GAAzB,EAA8B7B,KAA9B,EAAqC;AACnC,MAAM8B,QAAQ,GAAG9B,KAAK,CAAC+B,GAAN,CAAU,UAAA9B,IAAI,EAAI;AACjC,WAAO2B,IAAI,CAACI,IAAL,CAAUH,GAAG,GAAG,GAAN,GAAY5B,IAAtB,CAAP;AACD,GAFgB,CAAjB;AAIA,SAAOgC,OAAO,CAACC,GAAR,CAAYJ,QAAZ,CAAP;AACD;;AAED,IAAMD,GAAG,GAAGM,OAAO,CAACC,GAAR,CAAYC,OAAZ,cAA0BC,SAA1B,SAAZ;;eAEe;AAAA,SAAO;AACpBrD,IAAAA,SAAS,EAAE;AACTsD,MAAAA,WAAW,EAAXA,wBADS;AAETC,MAAAA,iBAAiB,EAAjBA,8BAFS;AAGTC,MAAAA,iBAAiB,EAAEC,iBAAKjB,IAAL,CACjBI,GADiB,EAEjB,yDAFiB,CAHV;AAOTc,MAAAA,kBAAkB,EAAED,iBAAKjB,IAAL,CAClBI,GADkB,EAElB,2DAFkB,CAPX;AAWTe,MAAAA,kBAAkB,EAAEF,iBAAKjB,IAAL,CAClBI,GADkB,EAElB,2DAFkB,CAXX;AAeTgB,MAAAA,kBAAkB,EAAEH,iBAAKjB,IAAL,CAClBI,GADkB,EAElB,2DAFkB,CAfX;AAmBTiB,MAAAA,kBAAkB,EAAEJ,iBAAKjB,IAAL,CAClBI,GADkB,EAElB,2DAFkB,CAnBX;AAuBTkB,MAAAA,kBAAkB,EAAEL,iBAAKjB,IAAL,CAClBI,GADkB,EAElB,2DAFkB,CAvBX;AA2BTmB,MAAAA,kBAAkB,EAAEN,iBAAKjB,IAAL,CAClBI,GADkB,EAElB,2DAFkB,CA3BX;AA+BToB,MAAAA,mBAAmB,EAAEP,iBAAKjB,IAAL,CACnBI,GADmB,EAEnB,6DAFmB,CA/BZ;AAoCTqB,MAAAA,iBAAiB,EAAER,iBAAKjB,IAAL,CACjBI,GADiB,EAEjB,yDAFiB,CApCV;AAwCTsB,MAAAA,kBAAkB,EAAET,iBAAKjB,IAAL,CAClBI,GADkB,EAElB,2DAFkB,CAxCX;AA4CTuB,MAAAA,kB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Path from 'path';\nimport bMFont from 'load-bmfont';\nimport { isNodePattern, throwError } from '@jimp/utils';\nimport { measureText, measureTextHeight } from './measure-text';\n\nfunction xOffsetBasedOnAlignment(constants, font, line, maxWidth, alignment) {\n  if (alignment === constants.HORIZONTAL_ALIGN_LEFT) {\n    return 0;\n  }\n\n  if (alignment === constants.HORIZONTAL_ALIGN_CENTER) {\n    return (maxWidth - measureText(font, line)) / 2;\n  }\n\n  return maxWidth - measureText(font, line);\n}\n\nfunction drawCharacter(image, font, x, y, char) {\n  if (char.width > 0 && char.height > 0) {\n    const characterPage = font.pages[char.page];\n\n    image.blit(\n      characterPage,\n      x + char.xoffset,\n      y + char.yoffset,\n      char.x,\n      char.y,\n      char.width,\n      char.height\n    );\n  }\n\n  return image;\n}\n\nfunction printText(font, x, y, text, defaultCharWidth) {\n  for (let i = 0; i < text.length; i++) {\n    let char;\n\n    if (font.chars[text[i]]) {\n      char = text[i];\n    } else if (/\\s/.test(text[i])) {\n      char = '';\n    } else {\n      char = '?';\n    }\n\n    const fontChar = font.chars[char] || {};\n    const fontKerning = font.kernings[char];\n\n    drawCharacter(this, font, x, y, fontChar || {});\n\n    const kerning =\n      fontKerning && fontKerning[text[i + 1]] ? fontKerning[text[i + 1]] : 0;\n\n    x += kerning + (fontChar.xadvance || defaultCharWidth);\n  }\n}\n\nfunction splitLines(font, text, maxWidth) {\n  const words = text.split(' ');\n  const lines = [];\n  let currentLine = [];\n  let longestLine = 0;\n\n  words.forEach(word => {\n    const line = [...currentLine, word].join(' ');\n    const length = measureText(font, line);\n\n    if (length <= maxWidth) {\n      if (length > longestLine) {\n        longestLine = length;\n      }\n\n      currentLine.push(word);\n    } else {\n      lines.push(currentLine);\n      currentLine = [word];\n    }\n  });\n\n  lines.push(currentLine);\n\n  return {\n    lines,\n    longestLine\n  };\n}\n\nfunction loadPages(Jimp, dir, pages) {\n  const newPages = pages.map(page => {\n    return Jimp.read(dir + '/' + page);\n  });\n\n  return Promise.all(newPages);\n}\n\nconst dir = process.env.DIRNAME || `${__dirname}/../`;\n\nexport default () => ({\n  constants: {\n    measureText,\n    measureTextHeight,\n    FONT_SANS_8_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-8-black/open-sans-8-black.fnt'\n    ),\n    FONT_SANS_10_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-10-black/open-sans-10-black.fnt'\n    ),\n    FONT_SANS_12_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-12-black/open-sans-12-black.fnt'\n    ),\n    FONT_SANS_14_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-14-black/open-sans-14-black.fnt'\n    ),\n    FONT_SANS_16_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-16-black/open-sans-16-black.fnt'\n    ),\n    FONT_SANS_32_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-32-black/open-sans-32-black.fnt'\n    ),\n    FONT_SANS_64_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-64-black/open-sans-64-black.fnt'\n    ),\n    FONT_SANS_128_BLACK: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-128-black/open-sans-128-black.fnt'\n    ),\n\n    FONT_SANS_8_WHITE: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-8-white/open-sans-8-white.fnt'\n    ),\n    FONT_SANS_16_WHITE: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-16-white/open-sans-16-white.fnt'\n    ),\n    FONT_SANS_32_WHITE: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-32-white/open-sans-32-white.fnt'\n    ),\n    FONT_SANS_64_WHITE: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-64-white/open-sans-64-white.fnt'\n    ),\n    FONT_SANS_128_WHITE: Path.join(\n      dir,\n      'fonts/open-sans/open-sans-128-white/open-sans-128-white.fnt'\n    ),\n\n    /**\n     * Loads a bitmap font from a file\n     * @param {string} file the file path of a .fnt file\n     * @param {function(Error, Jimp)} cb (optional) a function to call when the font is loaded\n     * @returns {Promise} a promise\n     */\n    loadFont(file, cb) {\n      if (typeof file !== 'string')\n        return throwError.call(this, 'file must be a string', cb);\n\n      return new Promise((resolve, reject) => {\n        cb =\n          cb ||\n          function(err, font) {\n            if (err) reject(err);\n            else resolve(font);\n          };\n\n        bMFont(file, (err, font) => {\n          const chars = {};\n          const kernings = {};\n\n          if (err) {\n            return throwError.call(this, err, cb);\n          }\n\n          for (let i = 0; i < font.chars.length; i++) {\n            chars[String.fromCharCode(font.chars[i].id)] = font.chars[i];\n          }\n\n          for (let i = 0; i < font.kernings.length; i++) {\n            const firstString = String.fromCharCode(font.kernings[i].first);\n            kernings[firstString] = kernings[firstString] || {};\n            kernings[firstString][\n              String.fromCharCode(font.kernings[i].second)\n            ] = font.kernings[i].amount;\n          }\n\n          loadPages(this, Path.dirname(file), font.pages).then(pages => {\n            cb(null, {\n              chars,\n              kernings,\n              pages,\n              common: font.common,\n              info: font.info\n            });\n          });\n        });\n      });\n    }\n  },\n\n  class: {\n    /**\n     * Draws a text on a image on a given boundary\n     * @param {Jimp} font a bitmap font loaded from `Jimp.loadFont` command\n     * @param {number} x the x position to start drawing the text\n     * @param {number} y the y position to start drawing the text\n     * @param {any} text the text to draw (string or object with `text`, `alignmentX`, and/or `alignmentY`)\n     * @param {number} maxWidth (optional) the boundary width to draw in\n     * @param {number} maxHeight (optional) the boundary height to draw in\n     * @param {function(Error, Jimp)} cb (optional) a function to call when the text is written\n     * @returns {Jimp} this for chaining of methods\n     */\n    print(font, x, y, text, maxWidth, maxHeight, cb) {\n      if (typeof maxWidth === 'function' && typeof cb === 'undefined') {\n        cb = maxWidth;\n        maxWidth = Infinity;\n      }\n\n      if (typeof maxWidth === 'undefined') {\n        maxWidth = Infinity;\n      }\n\n      if (typeof maxHeight === 'function' && typeof cb === 'undefined') {\n        cb = maxHeight;\n        maxHeight = Infinity;\n      }\n\n      if (typeof maxHeight === 'undefined') {\n        maxHeight = Infinity;\n      }\n\n      if (typeof font !== 'object') {\n        return throwError.call(this, 'font must be a Jimp loadFont', cb);\n      }\n\n      if (\n        typeof x !== 'number' ||\n        typeof y !== 'number' ||\n        typeof maxWidth !== 'number'\n      ) {\n        return throwError.call(this, 'x, y and maxWidth must be numbers', cb);\n      }\n\n      if (typeof maxWidth !== 'number') {\n        return throwError.call(this, 'maxWidth must be a number', cb);\n      }\n\n      if (typeof maxHeight !== 'number') {\n        return throwError.call(this, 'maxHeight must be a number', cb);\n      }\n\n      let alignmentX;\n      let alignmentY;\n\n      if (\n        typeof text === 'object' &&\n        text.text !== null &&\n        text.text !== undefined\n      ) {\n        alignmentX = text.alignmentX || this.constructor.HORIZONTAL_ALIGN_LEFT;\n        alignmentY = text.alignmentY || this.constructor.VERTICAL_ALIGN_TOP;\n        ({ text } = text);\n      } else {\n        alignmentX = this.constructor.HORIZONTAL_ALIGN_LEFT;\n        alignmentY = this.constructor.VERTICAL_ALIGN_TOP;\n        text = text.toString();\n      }\n\n      if (\n        maxHeight !== Infinity &&\n        alignmentY === this.constructor.VERTICAL_ALIGN_BOTTOM\n      ) {\n        y += maxHeight - measureTextHeight(font, text, maxWidth);\n      } else if (\n        maxHeight !== Infinity &&\n        alignmentY === this.constructor.VERTICAL_ALIGN_MIDDLE\n      ) {\n        y += maxHeight / 2 - measureTextHeight(font, text, maxWidth) / 2;\n      }\n\n      const defaultCharWidth = Object.entries(font.chars)[0][1].xadvance;\n      const { lines, longestLine } = splitLines(font, text, maxWidth);\n\n      lines.forEach(line => {\n        const lineString = line.join(' ');\n        const alignmentWidth = xOffsetBasedOnAlignment(\n          this.constructor,\n          font,\n          lineString,\n          maxWidth,\n          alignmentX\n        );\n\n        printText.call(\n          this,\n          font,\n          x + alignmentWidth,\n          y,\n          lineString,\n          defaultCharWidth\n        );\n\n        y += font.common.lineHeight;\n      });\n\n      if (isNodePattern(cb)) {\n        cb.call(this, null, this, { x: x + longestLine, y });\n      }\n\n      return this;\n    }\n  }\n});\n"],"file":"index.js"}