T4 decompression: Clear buffer at start

6 years ago · c84ffbae5e
2 changed files with 2 additions and 0 deletions
--- a/src/ImageSharp/Formats/Tiff/Compression/T4TiffCompression.cs
+++ b/src/ImageSharp/Formats/Tiff/Compression/T4TiffCompression.cs
@ -32,6 +32,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Compression

            using var bitReader = new T4BitReader(stream, byteCount, this.Allocator);

+            buffer.Clear();
            uint bitsWritten = 0;
            while (bitReader.HasMoreData)
            {
--- a/src/ImageSharp/Formats/Tiff/Compression/TiffModifiedHuffmanCompression.cs
+++ b/src/ImageSharp/Formats/Tiff/Compression/TiffModifiedHuffmanCompression.cs
@ -32,6 +32,7 @@ namespace SixLabors.ImageSharp.Formats.Tiff.Compression

            using var bitReader = new T4BitReader(stream, byteCount, this.Allocator, isModifiedHuffman: true);

+            buffer.Clear();
            uint bitsWritten = 0;
            uint pixelsWritten = 0;
            while (bitReader.HasMoreData)