public void CtorTest2()
{
var data = new byte[]
{
0xFF, 0xDB, 0x00, 0x43, 0x12,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
};
using (var memory = new MemoryStream(data))
using (var reader = new BinaryReader(memory))
{
var defineQuantizationTable = new DefineQuantizationTable(reader);
Assert.AreEqual(0x0043, defineQuantizationTable.Length);
Assert.AreEqual(1, defineQuantizationTable.Dictionary.Count);
var table = defineQuantizationTable.Dictionary[0x12];
Assert.AreEqual(64, table.Length);
for (var i = 0; i < table.Length; i++)
{
Assert.AreEqual(i, table[i]);
}
}
}
/// <summary>
/// Writes to the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="image">The image.</param>
/// <returns>
/// True if it writes successfully, false otherwise.
/// </returns>
public override bool Write(BinaryWriter stream, Image image)
{
new StartOfImage().Write(stream);
var QuantizationTableSegment = new DefineQuantizationTable(90);
QuantizationTableSegment.Write(stream);
new StartOfFrame(image).Write(stream);
var HuffmanTableSegment = new DefineHuffmanTable(null);
HuffmanTableSegment.Write(stream);
new StartOfScan(image, HuffmanTableSegment, QuantizationTableSegment).Write(stream);
new EndOfImage(null).Write(stream);
return(true);
}
public void CtorTest()
{
var data = new byte[]
{
0xFF, 0xDB, 0x00, 0x02
};
using (var memory = new MemoryStream(data))
using (var reader = new BinaryReader(memory))
{
var defineQuantizationTable = new DefineQuantizationTable(reader);
Assert.AreEqual(0x0002, defineQuantizationTable.Length);
}
}
