/// <summary>
/// インスタンスを初期化します。
/// </summary>
/// <param name="parent">親オブジェクト</param>
internal Symbol(Symbols parent)
{
_parent = parent;
_position = parent.Count;
_currEncoder = null;
_currEncodingMode = EncodingMode.UNKNOWN;
_currVersion = parent.MinVersion;
_dataBitCapacity = 8 * DataCodeword.GetTotalNumber(
parent.ErrorCorrectionLevel, parent.MinVersion);
_dataBitCounter = 0;
_segments = new List <QRCodeEncoder>();
_segmentCounter = new Dictionary <EncodingMode, int>()
{
{ EncodingMode.NUMERIC, 0 },
{ EncodingMode.ALPHA_NUMERIC, 0 },
{ EncodingMode.EIGHT_BIT_BYTE, 0 },
{ EncodingMode.KANJI, 0 }
};
if (parent.StructuredAppendAllowed)
{
_dataBitCapacity -= StructuredAppend.HEADER_LENGTH;
}
}
private void WritePadCodewords(BitSequence bs)
{
int numDataCodewords = DataCodeword.GetTotalNumber(
_parent.ErrorCorrectionLevel, _currVersion);
bool flag = true;
while (bs.Length < 8 * numDataCodewords)
{
bs.Append(flag ? 236 : 17, 8);
flag = !flag;
}
}
/// <summary>
/// 符号化領域のバイトデータを返します。
/// </summary>
private byte[] GetEncodingRegionBytes()
{
byte[][] dataBlock = BuildDataBlock();
byte[][] ecBlock = BuildErrorCorrectionBlock(dataBlock);
int numCodewords = Codeword.GetTotalNumber(_currVersion);
int numDataCodewords = DataCodeword.GetTotalNumber(
_parent.ErrorCorrectionLevel, _currVersion);
byte[] ret = new byte[numCodewords];
int index = 0;
int n;
n = 0;
while (index < numDataCodewords)
{
int r = n % dataBlock.Length;
int c = n / dataBlock.Length;
if (c <= dataBlock[r].Length - 1)
{
ret[index] = dataBlock[r][c];
index++;
}
n++;
}
n = 0;
while (index < numCodewords)
{
int r = n % ecBlock.Length;
int c = n / ecBlock.Length;
if (c <= ecBlock[r].Length - 1)
{
ret[index] = ecBlock[r][c];
index++;
}
n++;
}
return(ret);
}
/// <summary>
/// 型番を決定します。
/// </summary>
private void SelectVersion()
{
foreach (EncodingMode encMode in _segmentCounter.Keys)
{
int num = _segmentCounter[encMode];
_dataBitCounter +=
num * CharCountIndicator.GetLength(_currVersion + 1, encMode)
- num * CharCountIndicator.GetLength(_currVersion + 0, encMode);
}
_currVersion++;
_dataBitCapacity = 8 * DataCodeword.GetTotalNumber(
_parent.ErrorCorrectionLevel, _currVersion);
_parent.MinVersion = _currVersion;
if (_parent.StructuredAppendAllowed)
{
_dataBitCapacity -= StructuredAppend.HEADER_LENGTH;
}
}
