/* * 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. */ using System; namespace com.google.zxing.qrcode.decoder { ///

See ISO 18004:2006, 6.5.1. This enum encapsulates the four error correction levels /// defined by the QR code standard.

/// ///
/// Sean Owen /// /// www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source /// public sealed class ErrorCorrectionLevel { public int Bits { get { return bits; } } public System.String Name { get { return name; } } // No, we can't use an enum here. J2ME doesn't support it. /// L = ~7% correction //UPGRADE_NOTE: Final was removed from the declaration of 'L '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" public static readonly ErrorCorrectionLevel L = new ErrorCorrectionLevel(0, 0x01, "L"); /// M = ~15% correction //UPGRADE_NOTE: Final was removed from the declaration of 'M '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" public static readonly ErrorCorrectionLevel M = new ErrorCorrectionLevel(1, 0x00, "M"); /// Q = ~25% correction //UPGRADE_NOTE: Final was removed from the declaration of 'Q '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" public static readonly ErrorCorrectionLevel Q = new ErrorCorrectionLevel(2, 0x03, "Q"); /// H = ~30% correction //UPGRADE_NOTE: Final was removed from the declaration of 'H '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" public static readonly ErrorCorrectionLevel H = new ErrorCorrectionLevel(3, 0x02, "H"); //UPGRADE_NOTE: Final was removed from the declaration of 'FOR_BITS '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" private static readonly ErrorCorrectionLevel[] FOR_BITS = new ErrorCorrectionLevel[]{M, L, H, Q}; //UPGRADE_NOTE: Final was removed from the declaration of 'ordinal '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" private int ordinal_Renamed_Field; //UPGRADE_NOTE: Final was removed from the declaration of 'bits '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" private int bits; //UPGRADE_NOTE: Final was removed from the declaration of 'name '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'" private System.String name; private ErrorCorrectionLevel(int ordinal, int bits, System.String name) { this.ordinal_Renamed_Field = ordinal; this.bits = bits; this.name = name; } public int ordinal() { return ordinal_Renamed_Field; } public override System.String ToString() { return name; } /// int containing the two bits encoding a QR Code's error correction level /// /// {@link ErrorCorrectionLevel} representing the encoded error correction level /// public static ErrorCorrectionLevel forBits(int bits) { if (bits < 0 || bits >= FOR_BITS.Length) { throw new System.ArgumentException(); } return FOR_BITS[bits]; } } }