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); }
internal void DecodeDataStream(DmtxSymbolSize sizeIdx, byte[] outputStart) { bool macro = false; this.Output = outputStart ?? this.Output; this._outputIdx = 0; byte[] ptr = this.Code; int 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;) { DmtxScheme 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; } } /* Print macro trailer if required */ if (macro) { PushOutputMacroTrailer(); } }
int _outputIdx; /* Internal index used to store output progress */ #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); this.Array = new byte[mappingCols * mappingRows]; int codeSize = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolDataWords, sizeIdx) + DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolErrorWords, sizeIdx); this.Code = new byte[codeSize]; this.Output = new byte[10 * codeSize]; }
internal string EncodeSvgFile(DmtxEncode enc, string format, int moduleSize, int margin, Color foreColor, Color backColor) { bool defineOnly = false; string idString = null; string style; string outputString = ""; if (_dotFormatProvider == null) { _dotFormatProvider = new NumberFormatInfo { NumberDecimalSeparator = "." }; } if (format == "svg:") { defineOnly = true; idString = format.Substring(4); } if (string.IsNullOrEmpty(idString)) { idString = "dmtx_0001"; } int width = 2 * enc.MarginSize + (enc.Region.SymbolCols * enc.ModuleSize); int height = 2 * enc.MarginSize + (enc.Region.SymbolRows * enc.ModuleSize); int symbolCols = DmtxCommon.GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolCols, enc.Region.SizeIdx); int 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.net (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); } /* Write Data Matrix ON modules */ for (int row = 0; row < enc.Region.SymbolRows; row++) { int rowInv = enc.Region.SymbolRows - row - 1; for (int col = 0; col < enc.Region.SymbolCols; col++) { int 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); }