/*
 * Copyright 2018 <NAME>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

"use strict";
/*
  Ported to JavaScript by <NAME> 2011

  <EMAIL>, www.lazarsoft.info

*/
Object.defineProperty(exports, "__esModule", { value: true });
/*
*
* Copyright 2007 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var errorlevel_1 = require("./errorlevel");
var FormatInformation = /** @class */ (function () {
    function FormatInformation(formatInfo) {
        this.Equals = function (o) {
            var other = o;
            return this.errorCorrectionLevel == other.errorCorrectionLevel && this.dataMask == other.dataMask;
        };
        this.errorCorrectionLevel = errorlevel_1.ErrorCorrectionLevel.forBits((formatInfo >> 3) & 0x03);
        this.dataMask = (formatInfo & 0x07);
    }
    Object.defineProperty(FormatInformation.prototype, "ErrorCorrectionLevel", {
        get: function () {
            return this.errorCorrectionLevel;
        },
        enumerable: true,
        configurable: true
    });
    ;
    Object.defineProperty(FormatInformation.prototype, "DataMask", {
        get: function () {
            return this.dataMask;
        },
        enumerable: true,
        configurable: true
    });
    ;
    FormatInformation.prototype.GetHashCode = function () {
        return (this.errorCorrectionLevel.ordinal() << 3) | this.dataMask;
    };
    FormatInformation.URShift = function (number, bits) {
        if (number >= 0)
            return number >> bits;
        else
            return (number >> bits) + (2 << ~bits);
    };
    FormatInformation.numBitsDiffering = function (a, b) {
        a ^= b; // a now has a 1 bit exactly where its bit differs with b's
        // Count bits set quickly with a series of lookups:
        return FormatInformation.BITS_SET_IN_HALF_BYTE[a & 0x0F]
            + FormatInformation.BITS_SET_IN_HALF_BYTE[(this.URShift(a, 4) & 0x0F)]
            + FormatInformation.BITS_SET_IN_HALF_BYTE[(this.URShift(a, 8) & 0x0F)]
            + FormatInformation.BITS_SET_IN_HALF_BYTE[(this.URShift(a, 12) & 0x0F)]
            + FormatInformation.BITS_SET_IN_HALF_BYTE[(this.URShift(a, 16) & 0x0F)]
            + FormatInformation.BITS_SET_IN_HALF_BYTE[(this.URShift(a, 20) & 0x0F)]
            + FormatInformation.BITS_SET_IN_HALF_BYTE[(this.URShift(a, 24) & 0x0F)]
            + FormatInformation.BITS_SET_IN_HALF_BYTE[(this.URShift(a, 28) & 0x0F)];
    };
    FormatInformation.decodeFormatInformation = function (maskedFormatInfo) {
        var formatInfo = this.doDecodeFormatInformation(maskedFormatInfo);
        if (formatInfo != null) {
            return formatInfo;
        }
        // Should return null, but, some QR codes apparently
        // do not mask this info. Try again by actually masking the pattern
        // first
        return this.doDecodeFormatInformation(maskedFormatInfo ^ FormatInformation.FORMAT_INFO_MASK_QR);
    };
    FormatInformation.doDecodeFormatInformation = function (maskedFormatInfo) {
        // Find the int in FORMAT_INFO_DECODE_LOOKUP with fewest bits differing
        var bestDifference = 0xffffffff;
        var bestFormatInfo = 0;
        for (var i = 0; i < FormatInformation.FORMAT_INFO_DECODE_LOOKUP.length; i++) {
            var decodeInfo = FormatInformation.FORMAT_INFO_DECODE_LOOKUP[i];
            var targetInfo = decodeInfo[0];
            if (targetInfo == maskedFormatInfo) {
                // Found an exact match
                return new FormatInformation(decodeInfo[1]);
            }
            var bitsDifference = FormatInformation.numBitsDiffering(maskedFormatInfo, targetInfo);
            if (bitsDifference < bestDifference) {
                bestFormatInfo = decodeInfo[1];
                bestDifference = bitsDifference;
            }
        }
        // Hamming distance of the 32 masked codes is 7, by construction, so <= 3 bits
        // differing means we found a match
        if (bestDifference <= 3) {
            return new FormatInformation(bestFormatInfo);
        }
        return null;
    };
    FormatInformation.forBits = function (bits) {
        {
            if (bits < 0 || bits >= FormatInformation.FOR_BITS.length) {
                throw "ArgumentException";
            }
            return FormatInformation.FOR_BITS[bits];
        }
    };
    FormatInformation.FORMAT_INFO_MASK_QR = 0x5412;
    FormatInformation.FORMAT_INFO_DECODE_LOOKUP = new Array(new Array(0x5412, 0x00), new Array(0x5125, 0x01), new Array(0x5E7C, 0x02), new Array(0x5B4B, 0x03), new Array(0x45F9, 0x04), new Array(0x40CE, 0x05), new Array(0x4F97, 0x06), new Array(0x4AA0, 0x07), new Array(0x77C4, 0x08), new Array(0x72F3, 0x09), new Array(0x7DAA, 0x0A), new Array(0x789D, 0x0B), new Array(0x662F, 0x0C), new Array(0x6318, 0x0D), new Array(0x6C41, 0x0E), new Array(0x6976, 0x0F), new Array(0x1689, 0x10), new Array(0x13BE, 0x11), new Array(0x1CE7, 0x12), new Array(0x19D0, 0x13), new Array(0x0762, 0x14), new Array(0x0255, 0x15), new Array(0x0D0C, 0x16), new Array(0x083B, 0x17), new Array(0x355F, 0x18), new Array(0x3068, 0x19), new Array(0x3F31, 0x1A), new Array(0x3A06, 0x1B), new Array(0x24B4, 0x1C), new Array(0x2183, 0x1D), new Array(0x2EDA, 0x1E), new Array(0x2BED, 0x1F));
    FormatInformation.BITS_SET_IN_HALF_BYTE = new Array(0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4);
    FormatInformation.L = new errorlevel_1.ErrorCorrectionLevel(0, 0x01, "L");
    FormatInformation.M = new errorlevel_1.ErrorCorrectionLevel(1, 0x00, "M");
    FormatInformation.Q = new errorlevel_1.ErrorCorrectionLevel(2, 0x03, "Q");
    FormatInformation.H = new errorlevel_1.ErrorCorrectionLevel(3, 0x02, "H");
    FormatInformation.FOR_BITS = new Array(FormatInformation.M, FormatInformation.L, FormatInformation.H, FormatInformation.Q);
    return FormatInformation;
}());
exports.FormatInformation = FormatInformation;
//# sourceMappingURL=formatinf.js.map
