Reorganise Filters folder

src/UglyToad.PdfPig.Tests/Filters/BitStreamTests.cs

@@ -1,6 +1,6 @@
 namespace UglyToad.PdfPig.Tests.Filters
 {
-    using PdfPig.Filters;
+    using PdfPig.Filters.Lzw;
 
     public class BitStreamTests
     {

src/UglyToad.PdfPig/Filters/CcittFax/CcittFaxCompressionType.cs

@@ -1,25 +1,25 @@
-namespace UglyToad.PdfPig.Filters
-{
-    /// <summary>
-    /// Specifies the compression type to use with <see cref="T:UglyToad.PdfPig.Filters.CcittFaxDecoderStream" />.
-    /// </summary>
-    internal enum CcittFaxCompressionType
-    {
-        /// <summary>
-        /// Modified Huffman (MH) - Group 3 variation (T2)
-        /// </summary>
-        ModifiedHuffman,
-        /// <summary>
-        /// Modified Huffman (MH) - Group 3 (T4)
-        /// </summary>
-        Group3_1D,
-        /// <summary>
-        /// Modified Read (MR) - Group 3 (T4)
-        /// </summary>
-        Group3_2D,
-        /// <summary>
-        /// Modified Modified Read (MMR) - Group 4 (T6)
-        /// </summary>
-        Group4_2D
-    }
-}
+namespace UglyToad.PdfPig.Filters.CcittFax
+{
+    /// <summary>
+    /// Specifies the compression type to use with <see cref="T:UglyToad.PdfPig.Filters.CcittFaxDecoderStream" />.
+    /// </summary>
+    internal enum CcittFaxCompressionType
+    {
+        /// <summary>
+        /// Modified Huffman (MH) - Group 3 variation (T2)
+        /// </summary>
+        ModifiedHuffman,
+        /// <summary>
+        /// Modified Huffman (MH) - Group 3 (T4)
+        /// </summary>
+        Group3_1D,
+        /// <summary>
+        /// Modified Read (MR) - Group 3 (T4)
+        /// </summary>
+        Group3_2D,
+        /// <summary>
+        /// Modified Modified Read (MMR) - Group 4 (T6)
+        /// </summary>
+        Group4_2D
+    }
+}

src/UglyToad.PdfPig/Filters/CcittFaxDecodeFilter.cs

@@ -3,6 +3,7 @@
     using System;
     using System.IO;
     using Tokens;
+    using CcittFax;
     using Util;
 
     /// <summary>

src/UglyToad.PdfPig/Filters/Lzw/BitStream.cs

@@ -1,4 +1,4 @@
-namespace UglyToad.PdfPig.Filters
+namespace UglyToad.PdfPig.Filters.Lzw
 {
     using System;
 
@@ -53,9 +53,9 @@
             }
 
             // 'And' out the leading bits.
-            var firstBitOfDataWithinInt = (sizeof(int) * 8) - numberOfBits;
+            var firstBitOfDataWithinInt = sizeof(int) * 8 - numberOfBits;
             result &= (int)(0xffffffff >> firstBitOfDataWithinInt);
-            
+
             currentWithinByteBitOffset = endWithinByteBitOffset;
 
             return result;

src/UglyToad.PdfPig/Filters/LzwFilter.cs

@@ -4,6 +4,7 @@ namespace UglyToad.PdfPig.Filters
 {
     using System;
     using System.Collections.Generic;
+    using Lzw;
     using Tokens;
     using Util;
 

src/UglyToad.PdfPig/Filters/RunLengthFilter.cs

@@ -6,7 +6,7 @@
 
     /// <inheritdoc />
     /// <summary>
-    /// The Run Length filterencodes data in a simple byte-oriented format based on run length.
+    /// The Run Length filter encodes data in a simple byte-oriented format based on run length.
     /// The encoded data is a sequence of runs, where each run consists of a length byte followed by 1 to 128 bytes of data.
     /// </summary>
     internal sealed class RunLengthFilter : IFilter