//private static void PreSerializeStubOutImageDataIfRawImageData(ref Catalog catalog)
//{
// var entries = catalog.Entries.ToArray();
// // Serialize the mutations...
// for (var i = 0; i < entries.Count(); i++)
// {
// var entry = entries[i];
// if (entry == null) continue;
// //entry.Mutation.Img_RGB24_W1000H1000_64bEncoded = "";//IMAGE_PLACEHOLDER.Replace("{ImageIndex}", i.ToString());
// }
//}
private static string PostSerializeInjectImageData(string catalogData, Catalog catalog)
{
var entries = catalog.Entries.ToArray();
// Inject image data... (we do this after serialization because the JSON serializer can't handle the size of the image data, and tends to crash.).
catalogData += IMAGE_SECTION_PREFIX;
for (var i = 0; i < entries.Count(); i++)
{
var entry = entries[i];
string imageData;
if (!string.IsNullOrEmpty(entry.ImageInfo.ExternalPath))
{
imageData = entry.ImageInfo.ExternalPath;
}
else
{
if (entry.ImageInfo.Format == TextureFormat.DXT1)
{
// Perform DXT compression...
entry.ImageInfo.Texture.Compress(false);
entry.ImageInfo.Texture.Apply();
}
byte[] bytes_ = entry.ImageInfo.Texture.GetRawTextureData();
string bytesAsString = (entry.ImageInfo.IsB64Encoded) ? B64EncodeBytes(bytes_) : GetStringFromBytes(bytes_);
if (entry.ImageInfo.IsDymeCompressed)
{
bytesAsString = DymeCompression.Compress(bytesAsString);
}
imageData = bytesAsString;
}
var imageStartTag = IMAGE_TAG_FRONT_PART + i + IMAGE_TAG_BACK_PART;
catalogData += imageStartTag + imageData;
}
return(catalogData);
}
public void FileTest_NoCompression_TextFriendly()
{
// Arrange...
var filePath = $@"{Directory.GetCurrentDirectory()}\TestFiles\UncompressedImages\1_Chair_Filled.1K_1K_24RGB.bytes";
var fileData = File.ReadAllBytes(filePath);
var b64 = Convert.ToBase64String(fileData);
// Act...
var compressedString = DymeCompression.Compress(b64, true, '|');
var result = DymeCompression.Decompress(compressedString);
// Assert...
// Make sure compression was lossless...
Assert.AreEqual(b64, result);
// Assert compression percentage...
var compressionPercentage = b64.Length / compressedString.Length * 100;
Assert.AreEqual("0%", compressionPercentage + "%");
// Assert saved bytes...
var originalStringLength = b64.Length;
var compressedStringLength = compressedString.Length;
var savedBytes = originalStringLength - compressedStringLength;
float savedMegaBytes = savedBytes / 1000000f;
Assert.AreEqual(-2, savedBytes);
}
public void FileTest_MoreCompressionDueToImageSparcity()
{
// Arrange...
var filePath = $@"{Directory.GetCurrentDirectory()}\TestFiles\UncompressedImages\2_Chair_NotFilled.1K_1K_24RGB.bytes";
var fileData = File.ReadAllText(filePath);
// Act...
var compressedString = DymeCompression.Compress(fileData);
var result = DymeCompression.Decompress(compressedString);
// Assert...
// Make sure compression is lossless...
Assert.AreEqual(fileData, result);
// Assert compression percentage...
var compressionPercentage = fileData.Length / compressedString.Length * 100;
Assert.AreEqual("500%", compressionPercentage + "%");
// Assert saved bytes...
var originalStringLength = fileData.Length;
var compressedStringLength = compressedString.Length;
var savedBytes = originalStringLength - compressedStringLength;
int savedMegaBytes = savedBytes / 1000000;
Assert.AreEqual(2, savedMegaBytes);
}
public void CompressAndDecompressTextSafe()
{
// Arrange...
var inputString = "aaaaaaaaa";
// Act...
var compressedString = DymeCompression.Compress(inputString, true, '>');
var result = DymeCompression.Decompress(compressedString);
// Assert...
Assert.AreEqual(inputString, result);
}
public void CompressTextSafe()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "aaaaaaaaa";
var expectedCompressedString = ">a19>1";
// Act...
var result = DymeCompression.Compress(inputString, true, '>');
// Assert...
Assert.AreEqual(expectedCompressedString, result);
}
public void DoesNotCompress4()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "aaaa";
var expectedCompressedLength = 4;
// Act...
var result = DymeCompression.Compress(inputString);
// Assert...
Assert.AreEqual(expectedCompressedLength, result.Length);
}
public void CompressesStartsAndEndsCapped()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "baaaaab";
var expectedCompressedLength = 8;
// Act...
var result = DymeCompression.Compress(inputString);
// Assert...
Assert.AreEqual(expectedCompressedLength, result.Length);
}
public void Compresses2Kinds()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "aaaaabbbbb";
var expectedCompressedLength = 10;
// Act...
var result = DymeCompression.Compress(inputString);
// Assert...
Assert.AreEqual(expectedCompressedLength, result.Length);
}
private static void LoadDataTexture(string imageData, CatalogEntry entry)
{
if (entry.ImageInfo.IsB64Encoded)
{
imageData = DymeCompression.Decompress(imageData);
}
byte[] bytes = (entry.ImageInfo.IsB64Encoded) ? B64DecodeBytes(imageData) : GetBytesFromString(imageData);
//===================================================================
Texture2D texture = LoadImageForAppropriateCompressionFormat(entry, bytes);
//===================================================================
entry.ImageInfo.Texture = texture;
}
public void Decompresses2KindsCappedOnEitherSideAndMiddle()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "caaaaacbbbbbc";
// Act...
var compressedString = DymeCompression.Compress(inputString);
var result = DymeCompression.Decompress(compressedString);
// Assert...
Assert.AreEqual(inputString, result);
}
public void Decompresses2Kinds()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "aaaaabbbbb";
// Act...
var compressedString = DymeCompression.Compress(inputString);
var result = DymeCompression.Decompress(compressedString);
// Assert...
Assert.AreEqual(inputString, result);
}
public void DecompressesStartsAndEndsCapped()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "baaaaab";
// Act...
var compressedString = DymeCompression.Compress(inputString);
var result = DymeCompression.Decompress(compressedString);
// Assert...
Assert.AreEqual(inputString, result);
}
public void Compresses2KindsCappedOnEitherSideAndMiddle()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "caaaaacbbbbbc";
var expectedCompressedLength = 13;
// Act...
var result = DymeCompression.Compress(inputString);
// Assert...
Assert.AreEqual(expectedCompressedLength, result.Length);
}
public void DecompressBytes()
{
// Arrange...
var sut = new DymeCompression();
byte[] buffer = new byte[] { 40, 40, 40, 40, 40, 40 };
byte[] expectedCompressedBuffer = new byte[] { 40, 40, 40, 40, 40, 40 };
byte[] expectedDecompressedBuffer = new byte[] { 40, 40, 40, 40, 40, 40 };
var compressedBufferLength = DymeCompression.SequenceCompressAndReturnNewBufferLength(ref buffer, buffer.Length);
// Act...
var result = DymeCompression.SequenceDecompressBytes(buffer, compressedBufferLength);
// Assert...
Assert.AreEqual(result, expectedDecompressedBuffer);
}
public void DefaultFlagByteIsInUse_ExpectUseNextAvailableByte()
{
// Arrange...
var sut = new DymeCompression();
byte expectedFlagByte = 2;
byte[] testBuffer = new byte[] { 1, 40, 40, 40, 40, 40, 40 };
int testBufferLength = testBuffer.Length;
var compressedBytesLength = DymeCompression.SequenceCompressAndReturnNewBufferLength(ref testBuffer, testBufferLength);
// Act...
var result = testBuffer[compressedBytesLength - 2];
// Assert...
Assert.AreEqual(expectedFlagByte, result);
}
public void CompressBytes()
{
// Arrange...
var sut = new DymeCompression();
byte[] testBuffer = new byte[] { 40, 40, 40, 40, 40, 40 };
int testBufferLength = testBuffer.Length;
var originalLength = 6;
var expectedLength = 6;
var expectedSaving = 0;
// Act...
var result = DymeCompression.SequenceCompressAndReturnNewBufferLength(ref testBuffer, testBufferLength);
// Assert...
Assert.AreEqual(originalLength, testBufferLength);
Assert.AreEqual(expectedLength, result);
Assert.AreEqual(expectedSaving, testBufferLength - result);
}
public void AllFlagBytesAreUsed_DecompressStringThatHasNoCompression()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "";
for (var i = 1; i < 256; i++)
{
inputString += Convert.ToChar(i);
}
inputString += "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
var compressedString = DymeCompression.Compress(inputString);
// Act...
var result = DymeCompression.Decompress(compressedString);
// Assert...
Assert.AreEqual(inputString, result);
}
public void CustomFlagByte()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "aaaaaaaaa";
var someNonB64CharButNotSpecial = '>';
var flagAsByte = Convert.ToByte(someNonB64CharButNotSpecial);
var rolledUpCharacterAsByte = Convert.ToByte('a');
ushort rolledUpCount = 9;
byte[] rolledUpCountAsBytes = BitConverter.GetBytes(rolledUpCount);
byte isTextSafeAsByte = Convert.ToByte('0');
//..............................................[ Seq Start ] [--- Seq character ---] [-------------Seq Length-----------------------] [ Seq Flag] [Is Text Safe flag]
byte[] expectedCompressedByteArray = new byte[] { flagAsByte, rolledUpCharacterAsByte, rolledUpCountAsBytes[0], rolledUpCountAsBytes[1], flagAsByte, isTextSafeAsByte };
string expectedCompressedString = new string(expectedCompressedByteArray.Select(b => Convert.ToChar(b)).ToArray());
// Act...
string result = DymeCompression.Compress(inputString, false, Convert.ToByte(someNonB64CharButNotSpecial));
// Assert...
Assert.AreEqual(expectedCompressedString, result);
}
public void AllFlagBytesAreUsed_ExpectNoCompression()
{
// Arrange...
var sut = new DymeCompression();
var inputString = "";
for (var i = 1; i < 256; i++)
{
inputString += Convert.ToChar(i);
}
inputString += "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
var flagByteAsChar = Convert.ToChar(0);
var isTextSafe = '0';
var expectedOutputString = inputString + flagByteAsChar + isTextSafe;
// Act...
var result = DymeCompression.Compress(inputString);
// Assert...
Assert.AreEqual(expectedOutputString, result);
}
