Committed C# port from Mohamad

[zxing.git] / csharp / qrcode / decoder / ErrorCorrectionLevel.cs

diff --git a/csharp/qrcode/decoder/ErrorCorrectionLevel.cs b/csharp/qrcode/decoder/ErrorCorrectionLevel.cs
new file mode 100755 (executable)
index 0000000..c16e62f
--- /dev/null
+++ b/csharp/qrcode/decoder/ErrorCorrectionLevel.cs
@@ -0,0 +1,81 @@
+/*\r
+* Copyright 2007 ZXing authors\r
+*\r
+* Licensed under the Apache License, Version 2.0 (the "License");\r
+* you may not use this file except in compliance with the License.\r
+* You may obtain a copy of the License at\r
+*\r
+*      http://www.apache.org/licenses/LICENSE-2.0\r
+*\r
+* Unless required by applicable law or agreed to in writing, software\r
+* distributed under the License is distributed on an "AS IS" BASIS,\r
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+* See the License for the specific language governing permissions and\r
+* limitations under the License.\r
+*/\r
+using System;\r
+using com.google.zxing;\r
+using com.google.zxing.common;\r
+\r
+namespace com.google.zxing.qrcode.decoder\r
+{\r
+    public sealed class ErrorCorrectionLevel\r
+    { \r
+          // No, we can't use an enum here. J2ME doesn't support it.\r
+          /**\r
+           * L = ~7% correction\r
+           */\r
+          public static ErrorCorrectionLevel L = new ErrorCorrectionLevel(0, 0x01, "L");\r
+          /**\r
+           * M = ~15% correction\r
+           */\r
+          public static ErrorCorrectionLevel M = new ErrorCorrectionLevel(1, 0x00, "M");\r
+          /**\r
+           * Q = ~25% correction\r
+           */\r
+          public static ErrorCorrectionLevel Q = new ErrorCorrectionLevel(2, 0x03, "Q");\r
+          /**\r
+           * H = ~30% correction\r
+           */\r
+          public static  ErrorCorrectionLevel H = new ErrorCorrectionLevel(3, 0x02, "H");\r
+\r
+          private static  ErrorCorrectionLevel[] FOR_BITS = {M, L, H, Q};\r
+\r
+          private int Ordinal;\r
+          private int bits;\r
+          private string name;\r
+\r
+          private ErrorCorrectionLevel(int ordinal, int bits, string name) {\r
+            this.Ordinal = ordinal;\r
+            this.bits = bits;\r
+            this.name = name;\r
+          }\r
+\r
+          public int ordinal() {\r
+              return Ordinal;\r
+          }\r
+\r
+          public int getBits() {\r
+            return bits;\r
+          }\r
+\r
+          public string getName() {\r
+            return name;\r
+          }\r
+\r
+          public string toString() {\r
+            return name;\r
+          }\r
+\r
+          /**\r
+           * @param bits int containing the two bits encoding a QR Code's error correction level\r
+           * @return {@link ErrorCorrectionLevel} representing the encoded error correction level\r
+           */\r
+          public static ErrorCorrectionLevel forBits(int bits) {\r
+            if (bits < 0 || bits >= FOR_BITS.Length) {\r
+              throw new ArgumentException();\r
+            }\r
+            return FOR_BITS[bits];\r
+          }\r
+    }\r
+}
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