1 line
12 KiB
Plaintext
1 line
12 KiB
Plaintext
{"version":3,"file":"611.ol.js","mappings":"4FAAA,SAASA,EAAaC,EAAKC,GACzB,IAAIC,EAASF,EAAIE,OAASD,EACtBE,EAAS,EACb,EAAG,CACD,IAAK,IAAIC,EAAIH,EAAQG,EAAI,EAAGA,IAC1BJ,EAAIG,EAASF,IAAWD,EAAIG,GAC5BA,IAGFD,GAAUD,QACHC,EAAS,GAGpB,SAASG,EAAuBL,EAAKC,EAAQK,GAK3C,IAJA,IAAIC,EAAQ,EACRC,EAAQR,EAAIE,OACVO,EAAKD,EAAQF,EAEZE,EAAQP,GAAQ,CACrB,IAAK,IAAIG,EAAIH,EAAQG,EAAI,IAAKA,EAC5BJ,EAAIO,EAAQN,IAAWD,EAAIO,KACzBA,EAEJC,GAASP,EAIX,IADA,IAAMS,EAAOV,EAAIW,QACRP,EAAI,EAAGA,EAAIK,IAAML,EACxB,IAAK,IAAIQ,EAAI,EAAGA,EAAIN,IAAkBM,EACpCZ,EAAKM,EAAiBF,EAAKQ,GAAKF,GAAOJ,EAAiBM,EAAI,GAAKH,EAAML,GAKtE,SAASS,EAAeC,EAAOC,EAAWC,EAAOC,EAAQC,EAC9DC,GACA,IAAKJ,GAA2B,IAAdA,EAChB,OAAOD,EAGT,IAAK,IAAIV,EAAI,EAAGA,EAAIc,EAAchB,SAAUE,EAAG,CAC7C,GAAIc,EAAcd,GAAK,GAAM,EAC3B,MAAM,IAAIgB,MAAM,wEAElB,GAAIF,EAAcd,KAAOc,EAAc,GACrC,MAAM,IAAIE,MAAM,sEAOpB,IAHA,IAAMd,EAAiBY,EAAc,GAAK,EACpCjB,EAAiC,IAAxBkB,EAA4B,EAAID,EAAchB,OAEpDE,EAAI,EAAGA,EAAIa,KAEdb,EAAIH,EAASe,EAAQV,GAAkBQ,EAAMO,cAFrBjB,EAAG,CAK/B,IAAIJ,OAAG,EACP,GAAkB,IAAde,EAAiB,CACnB,OAAQG,EAAc,IACpB,KAAK,EACHlB,EAAM,IAAIsB,WACRR,EAAOV,EAAIH,EAASe,EAAQV,EAAgBL,EAASe,EAAQV,GAE/D,MACF,KAAK,GACHN,EAAM,IAAIuB,YACRT,EAAOV,EAAIH,EAASe,EAAQV,EAAgBL,EAASe,EAAQV,EAAiB,GAEhF,MACF,KAAK,GACHN,EAAM,IAAIwB,YACRV,EAAOV,EAAIH,EAASe,EAAQV,EAAgBL,EAASe,EAAQV,EAAiB,GAEhF,MACF,QACE,MAAM,IAAIc,MAAJ,uCAA0CF,EAAc,GAAxD,sBAEVnB,EAAaC,EAAKC,QACK,IAAdc,GAITV,EAHAL,EAAM,IAAIsB,WACRR,EAAOV,EAAIH,EAASe,EAAQV,EAAgBL,EAASe,EAAQV,GAEnCL,EAAQK,GAGxC,OAAOQ,E,mUCpFYW,EAAAA,W,gMACnB,WAAaC,EAAeC,GAA5B,8GACwBC,KAAKC,YAAYF,GADzC,UACQG,EADR,OAGoB,KADZf,EAAYW,EAAcK,WAAa,GAF/C,uBAIUC,GAAWN,EAAcO,aACzBC,EAAYF,EAAUN,EAAcS,UAAYT,EAAcU,WAC9DC,EAAaL,EAAUN,EAAcY,WACzCZ,EAAca,cAAgBb,EAAcc,YAPlD,kBASW3B,EACLiB,EAASf,EAAWmB,EAAWG,EAAYX,EAAce,cACzDf,EAAcgB,sBAXpB,gCAcSZ,GAdT,gD,mTADmBL,I,o+CCiCrB,SAASkB,EAAeC,EAAMC,GAC5B,IAAK,IAAIzC,EAAIyC,EAAO3C,OAAS,EAAGE,GAAK,EAAGA,IACtCwC,EAAKE,KAAKD,EAAOzC,IAEnB,OAAOwC,EAGT,SAASG,EAAWC,GAGlB,IAFA,IAAMC,EAAkB,IAAI1B,YAAY,MAClC2B,EAAiB,IAAI5B,WAAW,MAC7BlB,EAAI,EAAGA,GAAK,IAAKA,IACxB6C,EAAgB7C,GAAK,KACrB8C,EAAe9C,GAAKA,EAEtB,IAAI+C,EAAmB,IACnB9B,EAhDW,EAiDX+B,EAAW,EAEf,SAASC,IACPF,EAAmB,IACnB9B,EArDa,EAuDf,SAASiC,EAAQC,GACf,IAAMC,EAnDV,SAAiBD,EAAOH,EAAUlD,GAChC,IAAMuD,EAAIL,EAAW,EACfM,EAAIC,KAAKC,MAAMR,EAAW,GAC1BS,EAAK,EAAIJ,EACTK,EAAMV,EAAWlD,EAAqB,GAATwD,EAAI,GACnCK,EAAM,GAAKL,EAAI,IAAON,EAAWlD,GAC/B8D,EAAgB,GAATN,EAAI,GAAUN,EAE3B,GADAW,EAAKJ,KAAKM,IAAI,EAAGF,GACbL,GAAKH,EAAMrD,OAEb,OADAgE,QAAQC,KAAK,6EAZA,IAef,IAAIC,EAASb,EAAMG,GAAM,SAAC,EAAM,EAAID,GAAM,EAEtCY,EADJD,IAAYlE,EAAS2D,EAErB,GAAIH,EAAI,EAAIH,EAAMrD,OAAQ,CACxB,IAAIoE,EAASf,EAAMG,EAAI,KAAOK,EAE9BM,GADAC,IAAWX,KAAKM,IAAI,EAAI/D,EAAS8D,GAGnC,GAAIF,EAAK,GAAKJ,EAAI,EAAIH,EAAMrD,OAAQ,CAClC,IAAMqE,EAAgB,GAATb,EAAI,IAAWN,EAAWlD,GAEvCmE,GADed,EAAMG,EAAI,KAAOa,EAGlC,OAAOF,EA0BQG,CAAQjB,EAAOH,EAAU/B,GAEtC,OADA+B,GAAY/B,EACLmC,EAET,SAASiB,EAAgBrE,EAAGsE,GAI1B,OAHAxB,EAAeC,GAAoBuB,EACnCzB,EAAgBE,GAAoB/C,IACpC+C,EAC0B,EAE5B,SAASwB,EAAsBC,GAE7B,IADA,IAAMC,EAAM,GACHzE,EAAIwE,EAAS,OAANxE,EAAYA,EAAI6C,EAAgB7C,GAC9CyE,EAAI/B,KAAKI,EAAe9C,IAE1B,OAAOyE,EAGT,IAAMC,EAAS,GACfzB,IAIA,IAHA,IAEI0B,EAFExB,EAAQ,IAAIjC,WAAW0B,GACzBgC,EAAO1B,EAAQC,GA3EJ,MA6ERyB,GAAmB,CACxB,GA/Ee,MA+EXA,EAAqB,CAGvB,IAFA3B,IACA2B,EAAO1B,EAAQC,GAjFF,MAkFNyB,GACLA,EAAO1B,EAAQC,GAGjB,GArFW,MAqFPyB,EACF,MACK,GAAIA,EAxFE,IAyFX,MAAM,IAAI5D,MAAJ,qCAAwC4D,IAG9CrC,EAAemC,EADHH,EAAsBK,IAElCD,EAAUC,OAEP,GAAIA,EAAO7B,EAAkB,CAClC,IAAM8B,EAAMN,EAAsBK,GAClCrC,EAAemC,EAAQG,GACvBR,EAAgBM,EAASE,EAAIA,EAAI/E,OAAS,IAC1C6E,EAAUC,MACL,CACL,IAAME,EAASP,EAAsBI,GACrC,IAAKG,EACH,MAAM,IAAI9D,MAAJ,0CAA6C2D,EAA7C,cAA0D5B,EAA1D,uBAAyFC,IAEjGT,EAAemC,EAAQI,GACvBJ,EAAOhC,KAAKoC,EAAOA,EAAOhF,OAAS,IACnCuE,EAAgBM,EAASG,EAAOA,EAAOhF,OAAS,IAChD6E,EAAUC,EAGR7B,EAAmB,GAAnB,SAAyB,EAAK9B,KA7Gf,KA8GbA,EACF0D,OAAUI,EAEV9D,KAGJ2D,EAAO1B,EAAQC,GAEjB,OAAO,IAAIjC,WAAWwD,G,IAGHM,EAAAA,SAAAA,I,0YACnB,SAAYzD,GACV,OAAOoB,EAAWpB,GAAeA,Y,gFAFhByD,CAAmB3D,EAAAA","sources":["webpack://ol/./node_modules/geotiff/dist-module/predictor.js","webpack://ol/./node_modules/geotiff/dist-module/compression/basedecoder.js","webpack://ol/./node_modules/geotiff/dist-module/compression/lzw.js"],"sourcesContent":["function decodeRowAcc(row, stride) {\n let length = row.length - stride;\n let offset = 0;\n do {\n for (let i = stride; i > 0; i--) {\n row[offset + stride] += row[offset];\n offset++;\n }\n\n length -= stride;\n } while (length > 0);\n}\n\nfunction decodeRowFloatingPoint(row, stride, bytesPerSample) {\n let index = 0;\n let count = row.length;\n const wc = count / bytesPerSample;\n\n while (count > stride) {\n for (let i = stride; i > 0; --i) {\n row[index + stride] += row[index];\n ++index;\n }\n count -= stride;\n }\n\n const copy = row.slice();\n for (let i = 0; i < wc; ++i) {\n for (let b = 0; b < bytesPerSample; ++b) {\n row[(bytesPerSample * i) + b] = copy[((bytesPerSample - b - 1) * wc) + i];\n }\n }\n}\n\nexport function applyPredictor(block, predictor, width, height, bitsPerSample,\n planarConfiguration) {\n if (!predictor || predictor === 1) {\n return block;\n }\n\n for (let i = 0; i < bitsPerSample.length; ++i) {\n if (bitsPerSample[i] % 8 !== 0) {\n throw new Error('When decoding with predictor, only multiple of 8 bits are supported.');\n }\n if (bitsPerSample[i] !== bitsPerSample[0]) {\n throw new Error('When decoding with predictor, all samples must have the same size.');\n }\n }\n\n const bytesPerSample = bitsPerSample[0] / 8;\n const stride = planarConfiguration === 2 ? 1 : bitsPerSample.length;\n\n for (let i = 0; i < height; ++i) {\n // Last strip will be truncated if height % stripHeight != 0\n if (i * stride * width * bytesPerSample >= block.byteLength) {\n break;\n }\n let row;\n if (predictor === 2) { // horizontal prediction\n switch (bitsPerSample[0]) {\n case 8:\n row = new Uint8Array(\n block, i * stride * width * bytesPerSample, stride * width * bytesPerSample,\n );\n break;\n case 16:\n row = new Uint16Array(\n block, i * stride * width * bytesPerSample, stride * width * bytesPerSample / 2,\n );\n break;\n case 32:\n row = new Uint32Array(\n block, i * stride * width * bytesPerSample, stride * width * bytesPerSample / 4,\n );\n break;\n default:\n throw new Error(`Predictor 2 not allowed with ${bitsPerSample[0]} bits per sample.`);\n }\n decodeRowAcc(row, stride, bytesPerSample);\n } else if (predictor === 3) { // horizontal floating point\n row = new Uint8Array(\n block, i * stride * width * bytesPerSample, stride * width * bytesPerSample,\n );\n decodeRowFloatingPoint(row, stride, bytesPerSample);\n }\n }\n return block;\n}\n","import { applyPredictor } from '../predictor.js';\n\nexport default class BaseDecoder {\n async decode(fileDirectory, buffer) {\n const decoded = await this.decodeBlock(buffer);\n const predictor = fileDirectory.Predictor || 1;\n if (predictor !== 1) {\n const isTiled = !fileDirectory.StripOffsets;\n const tileWidth = isTiled ? fileDirectory.TileWidth : fileDirectory.ImageWidth;\n const tileHeight = isTiled ? fileDirectory.TileLength : (\n fileDirectory.RowsPerStrip || fileDirectory.ImageLength\n );\n return applyPredictor(\n decoded, predictor, tileWidth, tileHeight, fileDirectory.BitsPerSample,\n fileDirectory.PlanarConfiguration,\n );\n }\n return decoded;\n }\n}\n","import BaseDecoder from './basedecoder.js';\n\nconst MIN_BITS = 9;\nconst CLEAR_CODE = 256; // clear code\nconst EOI_CODE = 257; // end of information\nconst MAX_BYTELENGTH = 12;\n\nfunction getByte(array, position, length) {\n const d = position % 8;\n const a = Math.floor(position / 8);\n const de = 8 - d;\n const ef = (position + length) - ((a + 1) * 8);\n let fg = (8 * (a + 2)) - (position + length);\n const dg = ((a + 2) * 8) - position;\n fg = Math.max(0, fg);\n if (a >= array.length) {\n console.warn('ran off the end of the buffer before finding EOI_CODE (end on input code)');\n return EOI_CODE;\n }\n let chunk1 = array[a] & ((2 ** (8 - d)) - 1);\n chunk1 <<= (length - de);\n let chunks = chunk1;\n if (a + 1 < array.length) {\n let chunk2 = array[a + 1] >>> fg;\n chunk2 <<= Math.max(0, (length - dg));\n chunks += chunk2;\n }\n if (ef > 8 && a + 2 < array.length) {\n const hi = ((a + 3) * 8) - (position + length);\n const chunk3 = array[a + 2] >>> hi;\n chunks += chunk3;\n }\n return chunks;\n}\n\nfunction appendReversed(dest, source) {\n for (let i = source.length - 1; i >= 0; i--) {\n dest.push(source[i]);\n }\n return dest;\n}\n\nfunction decompress(input) {\n const dictionaryIndex = new Uint16Array(4093);\n const dictionaryChar = new Uint8Array(4093);\n for (let i = 0; i <= 257; i++) {\n dictionaryIndex[i] = 4096;\n dictionaryChar[i] = i;\n }\n let dictionaryLength = 258;\n let byteLength = MIN_BITS;\n let position = 0;\n\n function initDictionary() {\n dictionaryLength = 258;\n byteLength = MIN_BITS;\n }\n function getNext(array) {\n const byte = getByte(array, position, byteLength);\n position += byteLength;\n return byte;\n }\n function addToDictionary(i, c) {\n dictionaryChar[dictionaryLength] = c;\n dictionaryIndex[dictionaryLength] = i;\n dictionaryLength++;\n return dictionaryLength - 1;\n }\n function getDictionaryReversed(n) {\n const rev = [];\n for (let i = n; i !== 4096; i = dictionaryIndex[i]) {\n rev.push(dictionaryChar[i]);\n }\n return rev;\n }\n\n const result = [];\n initDictionary();\n const array = new Uint8Array(input);\n let code = getNext(array);\n let oldCode;\n while (code !== EOI_CODE) {\n if (code === CLEAR_CODE) {\n initDictionary();\n code = getNext(array);\n while (code === CLEAR_CODE) {\n code = getNext(array);\n }\n\n if (code === EOI_CODE) {\n break;\n } else if (code > CLEAR_CODE) {\n throw new Error(`corrupted code at scanline ${code}`);\n } else {\n const val = getDictionaryReversed(code);\n appendReversed(result, val);\n oldCode = code;\n }\n } else if (code < dictionaryLength) {\n const val = getDictionaryReversed(code);\n appendReversed(result, val);\n addToDictionary(oldCode, val[val.length - 1]);\n oldCode = code;\n } else {\n const oldVal = getDictionaryReversed(oldCode);\n if (!oldVal) {\n throw new Error(`Bogus entry. Not in dictionary, ${oldCode} / ${dictionaryLength}, position: ${position}`);\n }\n appendReversed(result, oldVal);\n result.push(oldVal[oldVal.length - 1]);\n addToDictionary(oldCode, oldVal[oldVal.length - 1]);\n oldCode = code;\n }\n\n if (dictionaryLength + 1 >= (2 ** byteLength)) {\n if (byteLength === MAX_BYTELENGTH) {\n oldCode = undefined;\n } else {\n byteLength++;\n }\n }\n code = getNext(array);\n }\n return new Uint8Array(result);\n}\n\nexport default class LZWDecoder extends BaseDecoder {\n decodeBlock(buffer) {\n return decompress(buffer, false).buffer;\n }\n}\n"],"names":["decodeRowAcc","row","stride","length","offset","i","decodeRowFloatingPoint","bytesPerSample","index","count","wc","copy","slice","b","applyPredictor","block","predictor","width","height","bitsPerSample","planarConfiguration","Error","byteLength","Uint8Array","Uint16Array","Uint32Array","BaseDecoder","fileDirectory","buffer","this","decodeBlock","decoded","Predictor","isTiled","StripOffsets","tileWidth","TileWidth","ImageWidth","tileHeight","TileLength","RowsPerStrip","ImageLength","BitsPerSample","PlanarConfiguration","appendReversed","dest","source","push","decompress","input","dictionaryIndex","dictionaryChar","dictionaryLength","position","initDictionary","getNext","array","byte","d","a","Math","floor","de","ef","fg","dg","max","console","warn","chunk1","chunks","chunk2","hi","getByte","addToDictionary","c","getDictionaryReversed","n","rev","result","oldCode","code","val","oldVal","undefined","LZWDecoder"],"sourceRoot":""} |