Refactor QRCodeGenerator into separate files

Author: Shane32

QRCoder/QRCodeGenerator.AlignmentPattern.cs

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+using System.Collections.Generic;
+
+namespace QRCoder
+{
+    public partial class QRCodeGenerator
+    {
+        private struct AlignmentPattern
+        {
+            public int Version;
+            public List<Point> PatternPositions;
+        }
+    }
+}

QRCoder/QRCodeGenerator.CodewordBlock.cs

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+namespace QRCoder
+{
+    public partial class QRCodeGenerator
+    {
+        private struct CodewordBlock
+        {
+            public CodewordBlock(byte[] codeWords, byte[] eccWords)
+            {
+                this.CodeWords = codeWords;
+                this.ECCWords = eccWords;
+            }
+
+            public byte[] CodeWords { get; }
+            public byte[] ECCWords { get; }
+        }
+    }
+}

QRCoder/QRCodeGenerator.ECCInfo.cs

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+namespace QRCoder
+{
+    public partial class QRCodeGenerator
+    {
+        private struct ECCInfo
+        {
+            public ECCInfo(int version, ECCLevel errorCorrectionLevel, int totalDataCodewords, int eccPerBlock, int blocksInGroup1,
+                int codewordsInGroup1, int blocksInGroup2, int codewordsInGroup2)
+            {
+                this.Version = version;
+                this.ErrorCorrectionLevel = errorCorrectionLevel;
+                this.TotalDataCodewords = totalDataCodewords;
+                this.ECCPerBlock = eccPerBlock;
+                this.BlocksInGroup1 = blocksInGroup1;
+                this.CodewordsInGroup1 = codewordsInGroup1;
+                this.BlocksInGroup2 = blocksInGroup2;
+                this.CodewordsInGroup2 = codewordsInGroup2;
+            }
+            public int Version { get; }
+            public ECCLevel ErrorCorrectionLevel { get; }
+            public int TotalDataCodewords { get; }
+            public int ECCPerBlock { get; }
+            public int BlocksInGroup1 { get; }
+            public int CodewordsInGroup1 { get; }
+            public int BlocksInGroup2 { get; }
+            public int CodewordsInGroup2 { get; }
+        }
+    }
+}

QRCoder/QRCodeGenerator.ECCLevel.cs

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+namespace QRCoder
+{
+    public partial class QRCodeGenerator
+    {
+        /// <summary>
+        /// Error correction level. These define the tolerance levels for how much of the code can be lost before the code cannot be recovered.
+        /// </summary>
+        public enum ECCLevel
+        {
+            /// <summary>
+            /// 7% may be lost before recovery is not possible
+            /// </summary>
+            L,
+            /// <summary>
+            /// 15% may be lost before recovery is not possible
+            /// </summary>
+            M,
+            /// <summary>
+            /// 25% may be lost before recovery is not possible
+            /// </summary>
+            Q,
+            /// <summary>
+            /// 30% may be lost before recovery is not possible
+            /// </summary>
+            H
+        }
+    }
+}

QRCoder/QRCodeGenerator.EncodingMode.cs

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+namespace QRCoder
+{
+    public partial class QRCodeGenerator
+    {
+        private enum EncodingMode
+        {
+            Numeric = 1,
+            Alphanumeric = 2,
+            Byte = 4,
+            Kanji = 8,
+            ECI = 7
+        }
+    }
+}