internal int SymbolModuleStatus(DmtxSymbolSize sizeIdx, int symbolRow, int symbolCol)
{
int dataRegionRows = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribDataRegionRows, sizeIdx);
int dataRegionCols = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribDataRegionCols, sizeIdx);
int symbolRows = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolRows, sizeIdx);
int mappingCols = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribMappingMatrixCols, sizeIdx);
int symbolRowReverse = symbolRows - symbolRow - 1;
int mappingRow = symbolRowReverse - 1 - 2 * (symbolRowReverse / (dataRegionRows + 2));
int mappingCol = symbolCol - 1 - 2 * (symbolCol / (dataRegionCols + 2));
/* Solid portion of alignment patterns */
if (symbolRow % (dataRegionRows + 2) == 0 || symbolCol % (dataRegionCols + 2) == 0)
{
return(DmtxConstants.DmtxModuleOnRGB | (DmtxConstants.DmtxModuleData == 0 ? 1 : 0)); // check if unary not is correct
}
/* Horinzontal calibration bars */
if ((symbolRow + 1) % (dataRegionRows + 2) == 0)
{
return((((symbolCol & 0x01) != 0) ? 0 : DmtxConstants.DmtxModuleOnRGB) | (DmtxConstants.DmtxModuleData == 0 ? 1 : 0));
}
/* Vertical calibration bars */
if ((symbolCol + 1) % (dataRegionCols + 2) == 0)
{
return((((symbolRow & 0x01) != 0) ? 0 : DmtxConstants.DmtxModuleOnRGB) | (DmtxConstants.DmtxModuleData == 0 ? 1 : 0));
}
/* Data modules */
return(this._array[mappingRow * mappingCols + mappingCol] | DmtxConstants.DmtxModuleData);
}
byte[] _output; /* internal storage of decoded output */
#endregion
#region Constructors
internal DmtxMessage(DmtxSymbolSize sizeIdx, DmtxFormat symbolFormat)
{
if (symbolFormat != DmtxFormat.Matrix && symbolFormat != DmtxFormat.Mosaic)
{
throw new ArgumentException("Only DmtxFormats Matrix and Mosaic are currently supported");
}
int mappingRows = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribMappingMatrixRows, sizeIdx);
int mappingCols = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribMappingMatrixCols, sizeIdx);
_array = new byte[mappingCols * mappingRows];
int codeSize = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolDataWords, sizeIdx) + DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolErrorWords, sizeIdx);
_code = new byte[codeSize];
_output = new byte[10 * codeSize];
}
internal void DecodeDataStream(DmtxSymbolSize sizeIdx, byte[] outputStart)
{
bool macro = false;
DmtxScheme encScheme;
int dataEndIndex;
byte[] ptr;
this._output = (outputStart == null) ? this._output : outputStart;
this._outputIdx = 0;
ptr = this._code;
dataEndIndex = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolDataWords, sizeIdx);
/* Print macro header if first codeword triggers it */
if (ptr[0] == DmtxConstants.DmtxChar05Macro || ptr[0] == DmtxConstants.DmtxChar06Macro)
{
PushOutputMacroHeader(ptr[0]);
macro = true;
}
for (int codeIter = 0; codeIter < dataEndIndex;)
{
encScheme = GetEncodationScheme(this._code[codeIter]);
if (encScheme != DmtxScheme.DmtxSchemeAscii)
{
codeIter++;
}
switch (encScheme)
{
case DmtxScheme.DmtxSchemeAscii:
codeIter = DecodeSchemeAscii(codeIter, dataEndIndex);
break;
case DmtxScheme.DmtxSchemeC40:
case DmtxScheme.DmtxSchemeText:
codeIter = DecodeSchemeC40Text(codeIter, dataEndIndex, encScheme);
break;
case DmtxScheme.DmtxSchemeX12:
codeIter = DecodeSchemeX12(codeIter, dataEndIndex);
break;
case DmtxScheme.DmtxSchemeEdifact:
codeIter = DecodeSchemeEdifact(codeIter, dataEndIndex);
break;
case DmtxScheme.DmtxSchemeBase256:
codeIter = DecodeSchemeBase256(codeIter, dataEndIndex);
break;
default:
/* error */
break;
}
}
/* Print macro trailer if required */
if (macro)
{
PushOutputMacroTrailer();
}
}
internal string EncodeSvgFile(DmtxEncode enc, string format, int moduleSize, int margin, Color foreColor, Color backColor)
{
int col, row, rowInv;
int symbolCols, symbolRows;
int width, height, module;
bool defineOnly = false;
//byte mosaicRed, mosaicGrn, mosaicBlu;
string idString = null;
string style = "";
string outputString = "";
if (dotFormatProvider == null)
{
dotFormatProvider = new NumberFormatInfo();
dotFormatProvider.NumberDecimalSeparator = ".";
}
if (format == "svg:")
{
defineOnly = true;
idString = format.Substring(4);
}
if (string.IsNullOrEmpty(idString))
{
idString = "dmtx_0001";
}
width = 2 * enc.MarginSize + (enc.Region.SymbolCols * enc.ModuleSize);
height = 2 * enc.MarginSize + (enc.Region.SymbolRows * enc.ModuleSize);
symbolCols = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolCols, enc.Region.SizeIdx);
symbolRows = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolRows, enc.Region.SizeIdx);
/* Print SVG Header */
if (!defineOnly)
{
outputString += string.Format(
"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n" +
"<!-- Created with DataMatrix (http://datamatrixnet.sourceforge.net/) -->\n" +
"<svg\n" +
"xmlns:svg=\"http://www.w3.org/2000/svg\"\n" +
"xmlns=\"http://www.w3.org/2000/svg\"\n" +
"xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n" +
"version=\"1.0\"\n" +
"width=\"{0}\"\n" +
"height=\"{1}\"\n" +
"id=\"svg2\">\n" +
"<defs>\n" +
"<symbol id=\"{2}\">\n" +
" <desc>Layout:{0}x%{1} Symbol:{3}x{4} Data Matrix</desc>\n", width, height, idString, symbolCols, symbolRows);
}
if (backColor != Color.White)
{
style = string.Format("style=\"fill:#{0}{1}{2};fill-opacity:{3};stroke:none\" ",
backColor.R.ToString("X2"), backColor.G.ToString("X2"), backColor.B.ToString("X2"), ((double)backColor.A / (double)byte.MaxValue).ToString("0.##", dotFormatProvider));
outputString += string.Format(" <rect width=\"{0}\" height=\"{1}\" x=\"0\" y=\"0\" {2}/>\n",
width, height, style);
style = "";
}
/* Write Data Matrix ON modules */
for (row = 0; row < enc.Region.SymbolRows; row++)
{
rowInv = enc.Region.SymbolRows - row - 1;
for (col = 0; col < enc.Region.SymbolCols; col++)
{
module = enc.Message.SymbolModuleStatus(enc.Region.SizeIdx, row, col);
style = string.Format("style=\"fill:#{0}{1}{2};fill-opacity:{3};stroke:none\" ",
foreColor.R.ToString("X2"), foreColor.G.ToString("X2"), foreColor.B.ToString("X2"), ((double)foreColor.A / (double)byte.MaxValue).ToString("0.##", dotFormatProvider));
if ((module & DmtxConstants.DmtxModuleOn) != 0)
{
outputString += string.Format(" <rect width=\"{0}\" height=\"{1}\" x=\"{2}\" y=\"{3}\" {4}/>\n",
moduleSize, moduleSize,
col * moduleSize + margin,
rowInv * moduleSize + margin, style);
}
}
}
outputString += " </symbol>\n";
/* Close SVG document */
if (!defineOnly)
{
outputString += string.Format("</defs>\n" +
"<use xlink:href=\"#{0}\" x='0' y='0' style=\"fill:#000000;fill-opacity:1;stroke:none\" />\n" +
"\n</svg>\n", idString);
}
return(outputString);
}