public void WriteDataTest002()
{
Mock <DjvuNode> nodeMock = new Mock <DjvuNode>()
{
CallBase = true
};
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
using (MemoryStream stream = new MemoryStream(4096))
using (DjvuWriter writer = new DjvuWriter(stream))
{
string chunkID = "FORM";
nodeMock.Object.DataOffset = 1024;
nodeMock.Object.Length = 2048;
nodeMock.Object.Reader = readerMock.Object;
nodeMock.Setup <ChunkType>(x => x.ChunkType).Returns(ChunkType.Form);
nodeMock.Object.ChunkID = chunkID;
byte[] buffer = new byte[nodeMock.Object.Length];
nodeMock.Setup <byte[]>(x => x.ChunkData).Returns(buffer);
Assert.Throws <DjvuArgumentNullException>("writer", () => nodeMock.Object.WriteData(null));
}
}
public void DjvuWriterTest1()
{
string filePath = Path.GetTempFileName();
DjvuWriter writer = null;
try
{
using (writer = new DjvuWriter(filePath))
{
Assert.NotNull(writer);
Assert.IsType <DjvuWriter>(writer);
var ibw = writer as IBinaryWriter;
Assert.NotNull(ibw);
var idw = ibw as IDjvuWriter;
Assert.NotNull(idw);
Assert.NotNull(writer.BaseStream);
Assert.IsType <FileStream>(writer.BaseStream);
}
}
finally
{
if (File.Exists(filePath))
{
File.Delete(filePath);
}
}
}
public void WriteJPEGImageTest()
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
Assert.Throws <NotImplementedException>(() => writer.WriteJPEGImage(null));
}
}
public void CloneWriterTest1()
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
Assert.Throws <NotImplementedException>(() => writer.CloneWriter(4096, 4096));
}
}
public void WriteStringStringEncodingTest002()
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
string testString = "";
Encoding encoding = null;
Assert.Throws <ArgumentNullException>("encoding", () => writer.WriteString(testString, encoding));
}
}
public void WriteDataTest001()
{
Mock <DjvuNode> nodeMock = new Mock <DjvuNode>()
{
CallBase = true
};
Mock <IDjvuReader> readerMock = new Mock <IDjvuReader>();
using (MemoryStream stream = new MemoryStream(4096))
using (DjvuWriter writer = new DjvuWriter(stream))
{
string chunkID = "FORM";
string startOfChunkData = "Start of ChunkData";
string endOfChunkData = "End of ChunkData";
nodeMock.Object.DataOffset = 1024;
nodeMock.Object.Length = 2048;
nodeMock.Object.Reader = readerMock.Object;
nodeMock.Setup <ChunkType>(x => x.ChunkType).Returns(ChunkType.Form);
nodeMock.Object.ChunkID = chunkID;
byte[] buffer = new byte[nodeMock.Object.Length];
byte[] startData = Encoding.ASCII.GetBytes(startOfChunkData);
Buffer.BlockCopy(startData, 0, buffer, 0, startData.Length);
byte[] endOfData = Encoding.ASCII.GetBytes(endOfChunkData);
Buffer.BlockCopy(endOfData, 0, buffer, buffer.Length - endOfData.Length, endOfData.Length);
nodeMock.Setup <byte[]>(x => x.ChunkData).Returns(buffer);
nodeMock.Object.WriteData(writer);
byte[] testBuffer = stream.GetBuffer();
string nodeName = Encoding.UTF8.GetString(testBuffer, 0, 4);
Assert.False(String.IsNullOrWhiteSpace(nodeName));
Assert.Equal(chunkID, nodeName);
byte[] lengthBytes = new byte[4];
Buffer.BlockCopy(testBuffer, 4, lengthBytes, 0, 4);
Array.Reverse(lengthBytes);
uint dataLength = BitConverter.ToUInt32(lengthBytes, 0);
Assert.Equal <uint>((uint)nodeMock.Object.Length, dataLength);
string startOfData = Encoding.ASCII.GetString(testBuffer, 8, startData.Length);
Assert.False(String.IsNullOrWhiteSpace(startOfData));
Assert.Equal(startOfChunkData, startOfData);
string endData = Encoding.ASCII.GetString(testBuffer, 8 + (int)nodeMock.Object.Length - endOfData.Length, endOfData.Length);
Assert.False(String.IsNullOrWhiteSpace(endData));
Assert.Equal(endOfChunkData, endData);
}
}
public void GetBZZEncodedWriterTest1()
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
BzzWriter bzzWriter = null;
bzzWriter = writer.GetBZZEncodedWriter();
Assert.NotNull(bzzWriter);
Assert.IsType <BzzWriter>(bzzWriter);
}
}
public void WriteUInt24_Theory(uint test)
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
writer.WriteUInt24(test);
byte[] buffer = stream.GetBuffer();
byte[] testBuffer = new byte[4];
Buffer.BlockCopy(buffer, 0, testBuffer, 0, 3);
Assert.Equal <uint>(test, BitConverter.ToUInt32(testBuffer, 0));
}
}
public void PositionTest()
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
Assert.Equal(0, writer.Position);
Assert.Equal(stream.Position, writer.Position);
writer.Position = 0x2048;
Assert.Equal(0x2048, writer.Position);
Assert.Equal(stream.Position, writer.Position);
}
}
public void WriteUInt64BigEndian_Theory(ulong test)
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
writer.WriteUInt64BigEndian(test);
byte[] buffer = stream.GetBuffer();
byte[] testBuffer = new byte[8];
Buffer.BlockCopy(buffer, 0, testBuffer, 0, 8);
Array.Reverse(testBuffer);
Assert.Equal <ulong>(test, BitConverter.ToUInt64(testBuffer, 0));
}
}
public void WriteInt32BigEndian_Theory(int test)
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
writer.WriteInt32BigEndian(test);
byte[] buffer = stream.GetBuffer();
byte[] testBuffer = new byte[4];
Buffer.BlockCopy(buffer, 0, testBuffer, 0, 4);
Array.Reverse(testBuffer);
Assert.Equal <int>(test, BitConverter.ToInt32(testBuffer, 0));
}
}
public void ToStringTest()
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
string test = null;
test = writer.ToString();
Assert.False(String.IsNullOrWhiteSpace(test));
Assert.Contains(nameof(DjvuWriter), test);
Assert.Contains("Position: ", test);
Assert.Contains("Length: ", test);
Assert.Contains("BaseStream: ", test);
Assert.Contains(nameof(MemoryStream), test);
}
}
public void DjvuWriterTest()
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
Assert.NotNull(writer);
Assert.IsType <DjvuWriter>(writer);
var ibw = writer as IBinaryWriter;
Assert.NotNull(ibw);
var idw = ibw as IDjvuWriter;
Assert.NotNull(idw);
Assert.NotNull(writer.BaseStream);
Assert.Same(stream, writer.BaseStream);
}
}
public void WriteStringEncoding_Theory(String testString, Encoding encoding)
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
long length = writer.WriteString(testString, encoding);
byte[] buffer = stream.GetBuffer();
byte[] testBuffer = new byte[length];
Buffer.BlockCopy(buffer, 0, testBuffer, 0, (int)length);
string result = encoding.GetString(testBuffer);
Assert.Equal(testString, result);
Assert.Equal <long>(length, stream.Position);
Assert.Equal <long>(stream.Position, writer.Position);
}
}
public void WriteInt24_Theory(int test)
{
DjvuWriter writer = null;
using (MemoryStream stream = new MemoryStream())
using (writer = new DjvuWriter(stream))
{
writer.WriteInt24(test);
byte[] buffer = stream.GetBuffer();
byte[] testBuffer = new byte[4];
Buffer.BlockCopy(buffer, 0, testBuffer, 0, 3);
if ((buffer[2] >> 7) == 1)
{
testBuffer[3] = 0xff;
}
Assert.Equal <int>(test, BitConverter.ToInt32(testBuffer, 0));
}
}
public void EncodeImageTest003()
{
string file = Path.Combine(Util.ArtifactsPath, "block001C.png");
string outFile = Path.Combine(Util.ArtifactsDataPath, "block001C.png.djvu");
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(file))
{
bmp.RotateFlip(System.Drawing.RotateFlipType.Rotate180FlipX);
int width = bmp.Width;
int height = bmp.Height;
var pixMap = PixelMapFromBitmap(bmp);
var map = new InterWavePixelMapEncoder();
map._CrCbDelay = 0;
map.InitializeEncoder(pixMap, null, YCrCbMode.Full);
int nchunks = 4;
int[] slices = new int[] { 111, 152, 184, 200 };
InterWaveEncoderSettings[] settings = new InterWaveEncoderSettings[nchunks];
for (int i = 0; i < nchunks; i++)
{
settings[i] = new InterWaveEncoderSettings
{
Slices = slices[i]
};
}
map._dBFrac = 10.0f;
DjvuFormElement form = null;
using (MemoryStream stream = new MemoryStream())
using (IDjvuWriter writer = new DjvuWriter(stream))
form = map.EncodeImage(writer, nchunks, settings);
using (IDjvuWriter writer = new DjvuWriter(outFile))
form.WriteData(writer);
Assert.NotNull(form);
Assert.Equal(nchunks, form.Children.Count);
Assert.IsType <PM44Form>(form);
for (int i = 0; i < form.Children.Count; i++)
{
var c = form.Children[i];
Assert.NotNull(c);
Assert.IsType <PM44Chunk>(c);
PM44Chunk chunk = (PM44Chunk)c;
Assert.NotNull(chunk.ChunkData);
if (chunk.ChunkData.Length >= 2)
{
Assert.Equal(i, chunk.ChunkData[0]);
if (i == 0)
{
Assert.Equal(1, chunk.ChunkData[2]);
Assert.Equal(2, chunk.ChunkData[3]);
int widthTest = chunk.ChunkData[4] << 8;
widthTest |= chunk.ChunkData[5];
Assert.Equal(bmp.Width, widthTest);
int heightTest = chunk.ChunkData[6] << 8;
heightTest |= chunk.ChunkData[7];
Assert.Equal(bmp.Height, heightTest);
}
}
}
//using (DjvuDocument doc = new DjvuDocument(outFile))
//{
// IDjvuPage page = doc.Pages[0];
// IDjvuElement pageForm = page.PageForm;
// Assert.Equal(nchunks, pageForm.Children.Count);
//}
}
}
public void EncodeImage_Theory(string fileName)
{
string file = Path.Combine(Util.ArtifactsPath, fileName);
string outFile = Path.Combine(Util.ArtifactsDataPath, fileName + ".djvu");
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(file))
{
bmp.RotateFlip(System.Drawing.RotateFlipType.Rotate180FlipX);
int width = bmp.Width;
int height = bmp.Height;
IPixelMap pixMap = PixelMapFromBitmap(bmp);
var map = new InterWavePixelMapEncoder();
map.InitializeEncoder(pixMap, null, YCrCbMode.Full);
const int nchunks = 4;
int[] slices = new int[] { 74, 90, 98, 103 };
//float[] decibel = new float[] { 5.0f, 10.0f, 15.0f, 20.0f };
InterWaveEncoderSettings[] settings = new InterWaveEncoderSettings[nchunks];
if (fileName != "")
{
for (int i = 0; i < nchunks; i++)
{
settings[i] = new InterWaveEncoderSettings {
Slices = slices[i]
};
}
}
//else
//{
// for (int i = 0; i < nchunks; i++)
// {
// settings[i] = new InterWaveEncoderSettings
// {
// Decibels = decibel[i]
// };
// }
//}
DjvuFormElement form = null;
using (MemoryStream stream = new MemoryStream())
using (IDjvuWriter writer = new DjvuWriter(stream))
{
form = map.EncodeImage(writer, nchunks, settings);
}
using (IDjvuWriter writer = new DjvuWriter(outFile))
{
form.WriteData(writer);
}
using (DjvuDocument doc = new DjvuDocument(outFile))
{
IDjvuPage page = doc.Pages[0];
PM44Form pageForm = (PM44Form)page.PageForm;
if (nchunks != pageForm.Children.Count)
{
Assert.True(false);
}
if (nchunks != form.Children.Count)
{
Assert.True(false);
}
Assert.IsType <PM44Form>(form);
for (int i = 0; i < nchunks; i++)
{
IDjvuNode c = form.Children[i];
if (c == null)
{
Assert.True(false);
}
byte[] chunkDataBuffer = null;
if (!(c is PM44Chunk chunk))
{
Assert.True(false);
}
public void EncodeImage_Theory(string fileName)
{
string file = Path.Combine(Util.ArtifactsPath, fileName);
string outFile = Path.Combine(Util.ArtifactsDataPath, fileName + ".djvu");
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(file))
{
bmp.RotateFlip(System.Drawing.RotateFlipType.Rotate180FlipX);
int width = bmp.Width;
int height = bmp.Height;
var pixMap = PixelMapFromBitmap(bmp);
var map = new InterWavePixelMapEncoder();
map.InitializeEncoder(pixMap, null, YCrCbMode.Full);
int nchunks = 4;
int[] slices = new int[] { 74, 90, 98, 103 };
//float[] decibel = new float[] { 5.0f, 10.0f, 15.0f, 20.0f };
InterWaveEncoderSettings[] settings = new InterWaveEncoderSettings[nchunks];
if (fileName != "")
{
for (int i = 0; i < nchunks; i++)
{
settings[i] = new InterWaveEncoderSettings
{
Slices = slices[i]
};
}
}
//else
//{
// for (int i = 0; i < nchunks; i++)
// {
// settings[i] = new InterWaveEncoderSettings
// {
// Decibels = decibel[i]
// };
// }
//}
DjvuFormElement form = null;
using (MemoryStream stream = new MemoryStream())
using (IDjvuWriter writer = new DjvuWriter(stream))
form = map.EncodeImage(writer, nchunks, settings);
using (IDjvuWriter writer = new DjvuWriter(outFile))
form.WriteData(writer);
using (DjvuDocument doc = new DjvuDocument(outFile))
{
IDjvuPage page = doc.Pages[0];
PM44Form pageForm = (PM44Form)page.PageForm;
Assert.Equal(nchunks, pageForm.Children.Count);
Assert.NotNull(form);
Assert.Equal(nchunks, form.Children.Count);
Assert.IsType <PM44Form>(form);
for (int i = 0; i < form.Children.Count; i++)
{
var c = form.Children[i];
Assert.NotNull(c);
Assert.IsType <PM44Chunk>(c);
PM44Chunk chunk = (PM44Chunk)c;
Assert.NotNull(chunk.ChunkData);
if (chunk.ChunkData.Length >= 2)
{
Assert.Equal(i, chunk.ChunkData[0]);
Assert.Equal(slices[i] - (i == 0 ? 0 : slices[i - 1]), chunk.ChunkData[1]);
if (i == 0)
{
Assert.Equal(1, chunk.ChunkData[2]);
Assert.Equal(2, chunk.ChunkData[3]);
int widthTest = chunk.ChunkData[4] << 8;
widthTest |= chunk.ChunkData[5];
Assert.Equal(bmp.Width, widthTest);
int heightTest = chunk.ChunkData[6] << 8;
heightTest |= chunk.ChunkData[7];
Assert.Equal(bmp.Height, heightTest);
}
}
}
}
}
}