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Update 20260123

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This commit is contained in:
Stefan Hutter
2026-01-23 08:09:23 +01:00
parent 49155d898f
commit 2d1525575b
358 changed files with 123777 additions and 73 deletions
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45
DataMatrix.net/C40TextState.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal struct C40TextState
{
#region Properties
internal int Shift { get; set; }
internal bool UpperShift { get; set; }
#endregion
}
}

70
DataMatrix.net/DataMatrix.net.csproj Normal file
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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProjectGuid>{593309A7-CD71-49CD-8FCB-B4F7BE1BFFDB}</ProjectGuid>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>DataMatrix.net</RootNamespace>
<AssemblyName>DataMatrix.net</AssemblyName>
<TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<Deterministic>true</Deterministic>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.Drawing" />
<Reference Include="System.Xml.Linq" />
<Reference Include="System.Data.DataSetExtensions" />
<Reference Include="Microsoft.CSharp" />
<Reference Include="System.Data" />
<Reference Include="System.Net.Http" />
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="C40TextState.cs" />
<Compile Include="DmtxBestLine.cs" />
<Compile Include="DmtxBresLine.cs" />
<Compile Include="DmtxChannel.cs" />
<Compile Include="DmtxCommon.cs" />
<Compile Include="DmtxConstants.cs" />
<Compile Include="DmtxDecode.cs" />
<Compile Include="DmtxEncode.cs" />
<Compile Include="DmtxFollow.cs" />
<Compile Include="DmtxImage.cs" />
<Compile Include="DmtxImageDecoder.cs" />
<Compile Include="DmtxImageEncoder.cs" />
<Compile Include="DmtxImageEncoderOptions.cs" />
<Compile Include="DmtxMatrix3.cs" />
<Compile Include="DmtxMessage.cs" />
<Compile Include="DmtxMultiplet.cs" />
<Compile Include="DmtxPixelLoc.cs" />
<Compile Include="DmtxPointFlow.cs" />
<Compile Include="DmtxRay2.cs" />
<Compile Include="DmtxRegion.cs" />
<Compile Include="DmtxScanGrid.cs" />
<Compile Include="DmtxVector2.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
</Project>

57
DataMatrix.net/DmtxBestLine.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal struct DmtxBestLine
{
internal int Angle { get; set; }
internal int HOffset { get; set; }
internal int Mag { get; set; }
internal int StepBeg { get; set; }
internal int StepPos { get; set; }
internal int StepNeg { get; set; }
internal int DistSq { get; set; }
internal double Devn { get; set; }
internal DmtxPixelLoc LocBeg { get; set; }
internal DmtxPixelLoc LocPos { get; set; }
internal DmtxPixelLoc LocNeg { get; set; }
}
}

314
DataMatrix.net/DmtxBresLine.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
namespace DataMatrix.net
{
internal struct DmtxBresLine
{
#region Fields
int _xStep;
int _yStep;
int _xDelta;
int _yDelta;
bool _steep;
int _xOut;
int _yOut;
int _travel;
int _outward;
int _error;
DmtxPixelLoc _loc;
DmtxPixelLoc _loc0;
DmtxPixelLoc _loc1;
#endregion
#region Constructors
internal DmtxBresLine(DmtxBresLine orig)
{
this._error = orig._error;
this._loc = new DmtxPixelLoc { X = orig._loc.X, Y = orig._loc.Y };
this._loc0 = new DmtxPixelLoc { X = orig._loc0.X, Y = orig._loc0.Y };
this._loc1 = new DmtxPixelLoc { X = orig._loc1.X, Y = orig._loc1.Y };
this._outward = orig._outward;
this._steep = orig._steep;
this._travel = orig._travel;
this._xDelta = orig._xDelta;
this._xOut = orig._xOut;
this._xStep = orig._xStep;
this._yDelta = orig._yDelta;
this._yOut = orig._yOut;
this._yStep = orig._yStep;
}
internal DmtxBresLine(DmtxPixelLoc loc0, DmtxPixelLoc loc1, DmtxPixelLoc locInside)
{
int cp;
DmtxPixelLoc locBeg, locEnd;
/* Values that stay the same after initialization */
this._loc0 = loc0;
this._loc1 = loc1;
this._xStep = (loc0.X < loc1.X) ? +1 : -1;
this._yStep = (loc0.Y < loc1.Y) ? +1 : -1;
this._xDelta = Math.Abs(loc1.X - loc0.X);
this._yDelta = Math.Abs(loc1.Y - loc0.Y);
this._steep = (this._yDelta > this._xDelta);
/* Take cross product to determine outward step */
if (this._steep)
{
/* Point first vector up to get correct sign */
if (loc0.Y < loc1.Y)
{
locBeg = loc0;
locEnd = loc1;
}
else
{
locBeg = loc1;
locEnd = loc0;
}
cp = (((locEnd.X - locBeg.X) * (locInside.Y - locEnd.Y)) -
((locEnd.Y - locBeg.Y) * (locInside.X - locEnd.X)));
this._xOut = (cp > 0) ? +1 : -1;
this._yOut = 0;
}
else
{
/* Point first vector left to get correct sign */
if (loc0.X > loc1.X)
{
locBeg = loc0;
locEnd = loc1;
}
else
{
locBeg = loc1;
locEnd = loc0;
}
cp = (((locEnd.X - locBeg.X) * (locInside.Y - locEnd.Y)) -
((locEnd.Y - locBeg.Y) * (locInside.X - locEnd.X)));
this._xOut = 0;
this._yOut = (cp > 0) ? +1 : -1;
}
/* Values that change while stepping through line */
this._loc = loc0;
this._travel = 0;
this._outward = 0;
this._error = (this._steep) ? this._yDelta / 2 : this._xDelta / 2;
}
#endregion
#region Methods
internal bool GetStep(DmtxPixelLoc target, ref int travel, ref int outward)
{
/* Determine necessary step along and outward from Bresenham line */
if (this._steep)
{
travel = (this._yStep > 0) ? target.Y - this._loc.Y : this._loc.Y - target.Y;
Step(travel, 0);
outward = (this._xOut > 0) ? target.X - this._loc.X : this._loc.X - target.X;
if (this._yOut != 0)
{
throw new Exception("Invald yOut value for bresline step!");
}
}
else
{
travel = (this._xStep > 0) ? target.X - this._loc.X : this._loc.X - target.X;
Step(travel, 0);
outward = (this._yOut > 0) ? target.Y - this._loc.Y : this._loc.Y - target.Y;
if (this._xOut != 0)
{
throw new Exception("Invald xOut value for bresline step!");
}
}
return true;
}
internal bool Step(int travel, int outward)
{
int i;
if (Math.Abs(travel) >= 2)
{
throw new ArgumentException("Invalid value for 'travel' in BaseLineStep!");
}
/* Perform forward step */
if (travel > 0)
{
this._travel++;
if (this._steep)
{
this._loc = new DmtxPixelLoc() { X = this._loc.X, Y = this._loc.Y + this._yStep };
this._error -= this._xDelta;
if (this._error < 0)
{
this._loc = new DmtxPixelLoc() { X = this._loc.X + this._xStep, Y = this._loc.Y };
this._error += this._yDelta;
}
}
else
{
this._loc = new DmtxPixelLoc() { X = this._loc.X + this._xStep, Y = this._loc.Y };
this._error -= this._yDelta;
if (this._error < 0)
{
this._loc = new DmtxPixelLoc() { X = this._loc.X, Y = this._loc.Y + this._yStep };
this._error += this._xDelta;
}
}
}
else if (travel < 0)
{
this._travel--;
if (this._steep)
{
this._loc = new DmtxPixelLoc() { X = this._loc.X, Y = this._loc.Y - this._yStep };
this._error += this._xDelta;
if (this.Error >= this.YDelta)
{
this._loc = new DmtxPixelLoc() { X = this._loc.X - this._xStep, Y = this._loc.Y };
this._error -= this._yDelta;
}
}
else
{
this._loc = new DmtxPixelLoc() { X = this._loc.X - this._xStep, Y = this._loc.Y };
this._error += this._yDelta;
if (this._error >= this._xDelta)
{
this._loc = new DmtxPixelLoc() { X = this._loc.X, Y = this._loc.Y - this._yStep };
this._error -= this._xDelta;
}
}
}
for (i = 0; i < outward; i++)
{
/* Outward steps */
this._outward++;
this._loc = new DmtxPixelLoc() { X = this._loc.X + this._xOut, Y = this._loc.Y + this._yOut };
}
return true;
}
#endregion
#region Properties
internal int XStep
{
get { return _xStep; }
set { _xStep = value; }
}
internal int YStep
{
get { return _yStep; }
set { _yStep = value; }
}
internal int XDelta
{
get { return _xDelta; }
set { _xDelta = value; }
}
internal int YDelta
{
get { return _yDelta; }
set { _yDelta = value; }
}
internal bool Steep
{
get { return _steep; }
set { _steep = value; }
}
internal int XOut
{
get { return _xOut; }
set { _xOut = value; }
}
internal int YOut
{
get { return _yOut; }
set { _yOut = value; }
}
internal int Travel
{
get { return _travel; }
set { _travel = value; }
}
internal int Outward
{
get { return _outward; }
set { _outward = value; }
}
internal int Error
{
get { return _error; }
set { _error = value; }
}
internal DmtxPixelLoc Loc
{
get { return _loc; }
set { _loc = value; }
}
internal DmtxPixelLoc Loc0
{
get { return _loc0; }
set { _loc0 = value; }
}
internal DmtxPixelLoc Loc1
{
get { return _loc1; }
set { _loc1 = value; }
}
#endregion
}
}

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DataMatrix.net/DmtxChannel.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal class DmtxChannel
{
byte[] _encodedWords;
internal byte[] Input { get; set; }
internal DmtxScheme EncScheme { get; set; }
internal DmtxChannelStatus Invalid { get; set; }
internal int InputIndex { get; set; }
internal int EncodedLength { get; set; }
internal int CurrentLength { get; set; }
internal int FirstCodeWord { get; set; }
internal byte[] EncodedWords
{
get { return this._encodedWords ?? (this._encodedWords = new byte[1558]); }
}
}
internal class DmtxChannelGroup
{
DmtxChannel[] _channels;
internal DmtxChannel[] Channels
{
get
{
if (_channels == null)
{
_channels = new DmtxChannel[6];
for (int i = 0; i < 6; i++)
{
_channels[i] = new DmtxChannel();
}
}
return _channels;
}
}
}
}

309
DataMatrix.net/DmtxCommon.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
namespace DataMatrix.net
{
internal static class DmtxCommon
{
internal static void GenReedSolEcc(DmtxMessage message, DmtxSymbolSize sizeIdx)
{
byte[] g = new byte[69];
byte[] b = new byte[68];
int symbolDataWords = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolDataWords, sizeIdx);
int symbolErrorWords = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolErrorWords, sizeIdx);
int symbolTotalWords = symbolDataWords + symbolErrorWords;
int blockErrorWords = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribBlockErrorWords, sizeIdx);
int step = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribInterleavedBlocks, sizeIdx);
if (blockErrorWords != symbolErrorWords / step)
{
throw new Exception("Error generation reed solomon error correction");
}
for (int gI = 0; gI < g.Length; gI++)
{
g[gI] = 0x01;
}
// Generate ECC polynomia
for (int i = 1; i <= blockErrorWords; i++)
{
for (int j = i - 1; j >= 0; j--)
{
g[j] = GfDoublify(g[j], i); // g[j] *= 2**i
if (j > 0)
g[j] = GfSum(g[j], g[j - 1]); // g[j] += g[j-1]
}
}
// Populate error codeword array
for (int block = 0; block < step; block++)
{
for (int bI = 0; bI < b.Length; bI++)
{
b[bI] = 0;
}
for (int i = block; i < symbolDataWords; i += step)
{
int val = GfSum(b[blockErrorWords - 1], message.Code[i]);
for (int j = blockErrorWords - 1; j > 0; j--)
{
b[j] = GfSum(b[j - 1], GfProduct(g[j], val));
}
b[0] = GfProduct(g[0], val);
}
int blockDataWords = GetBlockDataSize(sizeIdx, block);
int bIndex = blockErrorWords;
for (int i = block + (step * blockDataWords); i < symbolTotalWords; i += step)
{
message.Code[i] = b[--bIndex];
}
if (bIndex != 0)
{
throw new Exception("Error generation error correction code!");
}
}
}
private static byte GfProduct(byte a, int b)
{
if (a == 0 || b == 0)
return 0;
return (byte)DmtxConstants.aLogVal[(DmtxConstants.logVal[a] + DmtxConstants.logVal[b]) % 255];
}
private static byte GfSum(byte a, byte b)
{
return (byte)(a ^ b);
}
private static byte GfDoublify(byte a, int b)
{
if (a == 0) /* XXX this is right, right? */
return 0;
if (b == 0)
return a; /* XXX this is right, right? */
return (byte)DmtxConstants.aLogVal[(DmtxConstants.logVal[a] + b) % 255];
}
internal static int GetSymbolAttribute(DmtxSymAttribute attribute, DmtxSymbolSize sizeIdx)
{
if (sizeIdx < 0 || (int)sizeIdx >= DmtxConstants.DmtxSymbolSquareCount + DmtxConstants.DmtxSymbolRectCount)
return DmtxConstants.DmtxUndefined;
switch (attribute)
{
case DmtxSymAttribute.DmtxSymAttribSymbolRows:
return DmtxConstants.SymbolRows[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribSymbolCols:
return DmtxConstants.SymbolCols[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribDataRegionRows:
return DmtxConstants.DataRegionRows[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribDataRegionCols:
return DmtxConstants.DataRegionCols[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribHorizDataRegions:
return DmtxConstants.HorizDataRegions[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribVertDataRegions:
return ((int)sizeIdx < DmtxConstants.DmtxSymbolSquareCount) ? DmtxConstants.HorizDataRegions[(int)sizeIdx] : 1;
case DmtxSymAttribute.DmtxSymAttribMappingMatrixRows:
return DmtxConstants.DataRegionRows[(int)sizeIdx] *
GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribVertDataRegions, sizeIdx);
case DmtxSymAttribute.DmtxSymAttribMappingMatrixCols:
return DmtxConstants.DataRegionCols[(int)sizeIdx] * DmtxConstants.HorizDataRegions[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribInterleavedBlocks:
return DmtxConstants.InterleavedBlocks[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribBlockErrorWords:
return DmtxConstants.BlockErrorWords[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribBlockMaxCorrectable:
return DmtxConstants.BlockMaxCorrectable[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribSymbolDataWords:
return DmtxConstants.SymbolDataWords[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribSymbolErrorWords:
return DmtxConstants.BlockErrorWords[(int)sizeIdx] * DmtxConstants.InterleavedBlocks[(int)sizeIdx];
case DmtxSymAttribute.DmtxSymAttribSymbolMaxCorrectable:
return DmtxConstants.BlockMaxCorrectable[(int)sizeIdx] * DmtxConstants.InterleavedBlocks[(int)sizeIdx];
}
return DmtxConstants.DmtxUndefined;
}
internal static int GetBlockDataSize(DmtxSymbolSize sizeIdx, int blockIdx)
{
int symbolDataWords = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolDataWords, sizeIdx);
int interleavedBlocks = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribInterleavedBlocks, sizeIdx);
int count = symbolDataWords / interleavedBlocks;
if (symbolDataWords < 1 || interleavedBlocks < 1)
return DmtxConstants.DmtxUndefined;
return (sizeIdx == DmtxSymbolSize.DmtxSymbol144x144 && blockIdx < 8) ? count + 1 : count;
}
internal static DmtxSymbolSize FindCorrectSymbolSize(int dataWords, DmtxSymbolSize sizeIdxRequest)
{
DmtxSymbolSize sizeIdx;
if (dataWords <= 0)
{
return DmtxSymbolSize.DmtxSymbolShapeAuto;
}
if (sizeIdxRequest == DmtxSymbolSize.DmtxSymbolSquareAuto || sizeIdxRequest == DmtxSymbolSize.DmtxSymbolRectAuto)
{
DmtxSymbolSize idxBeg;
DmtxSymbolSize idxEnd;
if (sizeIdxRequest == DmtxSymbolSize.DmtxSymbolSquareAuto)
{
idxBeg = 0;
idxEnd = (DmtxSymbolSize)DmtxConstants.DmtxSymbolSquareCount;
}
else
{
idxBeg = (DmtxSymbolSize)DmtxConstants.DmtxSymbolSquareCount;
idxEnd = (DmtxSymbolSize)(DmtxConstants.DmtxSymbolSquareCount + DmtxConstants.DmtxSymbolRectCount);
}
for (sizeIdx = idxBeg; sizeIdx < idxEnd; sizeIdx++)
{
if (GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolDataWords, sizeIdx) >= dataWords)
break;
}
if (sizeIdx == idxEnd)
{
return DmtxSymbolSize.DmtxSymbolShapeAuto;
}
}
else
{
sizeIdx = sizeIdxRequest;
}
if (dataWords > GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribSymbolDataWords, sizeIdx))
{
return DmtxSymbolSize.DmtxSymbolShapeAuto;
}
return sizeIdx;
}
internal static int GetBitsPerPixel(DmtxPackOrder pack)
{
switch (pack)
{
case DmtxPackOrder.DmtxPack1bppK:
return 1;
case DmtxPackOrder.DmtxPack8bppK:
return 8;
case DmtxPackOrder.DmtxPack16bppRGB:
case DmtxPackOrder.DmtxPack16bppRGBX:
case DmtxPackOrder.DmtxPack16bppXRGB:
case DmtxPackOrder.DmtxPack16bppBGR:
case DmtxPackOrder.DmtxPack16bppBGRX:
case DmtxPackOrder.DmtxPack16bppXBGR:
case DmtxPackOrder.DmtxPack16bppYCbCr:
return 16;
case DmtxPackOrder.DmtxPack24bppRGB:
case DmtxPackOrder.DmtxPack24bppBGR:
case DmtxPackOrder.DmtxPack24bppYCbCr:
return 24;
case DmtxPackOrder.DmtxPack32bppRGBX:
case DmtxPackOrder.DmtxPack32bppXRGB:
case DmtxPackOrder.DmtxPack32bppBGRX:
case DmtxPackOrder.DmtxPack32bppXBGR:
case DmtxPackOrder.DmtxPack32bppCMYK:
return 32;
}
return DmtxConstants.DmtxUndefined;
}
internal static T Min<T>(T x, T y) where T : IComparable<T>
{
return x.CompareTo(y) < 0 ? x : y;
}
internal static T Max<T>(T x, T y) where T : IComparable<T>
{
return x.CompareTo(y) < 0 ? y : x;
}
internal static bool DecodeCheckErrors(byte[] code, int codeIndex, DmtxSymbolSize sizeIdx, int fix)
{
byte[] data = new byte[255];
int interleavedBlocks = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribInterleavedBlocks, sizeIdx);
int blockErrorWords = GetSymbolAttribute(DmtxSymAttribute.DmtxSymAttribBlockErrorWords, sizeIdx);
const int fixedErr = 0;
int fixedErrSum = 0;
for (int i = 0; i < interleavedBlocks; i++)
{
int blockTotalWords = blockErrorWords + GetBlockDataSize(sizeIdx, i);
int j;
for (j = 0; j < blockTotalWords; j++)
data[j] = code[j * interleavedBlocks + i];
fixedErrSum += fixedErr;
for (j = 0; j < blockTotalWords; j++)
code[j * interleavedBlocks + i] = data[j];
}
if (fix != DmtxConstants.DmtxUndefined && fix >= 0 && fix < fixedErrSum)
{
return false;
}
return true;
}
internal static double RightAngleTrueness(DmtxVector2 c0, DmtxVector2 c1, DmtxVector2 c2, double angle)
{
DmtxVector2 vA = (c0 - c1);
DmtxVector2 vB = (c2 - c1);
vA.Norm();
vB.Norm();
DmtxMatrix3 m = DmtxMatrix3.Rotate(angle);
vB *= m;
return vA.Dot(vB);
}
}
}

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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal static class DmtxConstants
{
internal static readonly double DmtxAlmostZero = 0.000001;
internal static readonly int DmtxModuleOff = 0x00;
internal static readonly int DmtxModuleOnRed = 0x01;
internal static readonly int DmtxModuleOnGreen = 0x02;
internal static readonly int DmtxModuleOnBlue = 0x04;
internal static readonly int DmtxModuleOnRGB = 0x07; /* OnRed | OnGreen | OnBlue */
internal static readonly int DmtxModuleOn = 0x07;
internal static readonly int DmtxModuleUnsure = 0x08;
internal static readonly int DmtxModuleAssigned = 0x10;
internal static readonly int DmtxModuleVisited = 0x20;
internal static readonly int DmtxModuleData = 0x40;
internal static readonly byte DmtxCharAsciiPad = 129;
internal static readonly byte DmtxCharAsciiUpperShift = 235;
internal static readonly byte DmtxCharTripletShift1 = 0;
internal static readonly byte DmtxCharTripletShift2 = 1;
internal static readonly byte DmtxCharTripletShift3 = 2;
internal static readonly byte DmtxCharFNC1 = 232;
internal static readonly byte DmtxCharStructuredAppend = 233;
internal static readonly byte DmtxChar05Macro = 236;
internal static readonly byte DmtxChar06Macro = 237;
internal static readonly int DmtxC40TextBasicSet = 0;
internal static readonly int DmtxC40TextShift1 = 1;
internal static readonly int DmtxC40TextShift2 = 2;
internal static readonly int DmtxC40TextShift3 = 3;
internal static readonly int DmtxCharTripletUnlatch = 254;
internal static readonly int DmtxCharEdifactUnlatch = 31;
internal static readonly byte DmtxCharC40Latch = 230;
internal static readonly byte DmtxCharTextLatch = 239;
internal static readonly byte DmtxCharX12Latch = 238;
internal static readonly byte DmtxCharEdifactLatch = 240;
internal static readonly byte DmtxCharBase256Latch = 231;
internal static readonly int[] SymbolRows = new int[] { 10, 12, 14, 16, 18, 20, 22, 24, 26,
32, 36, 40, 44, 48, 52,
64, 72, 80, 88, 96, 104,
120, 132, 144,
8, 8, 12, 12, 16, 16 };
internal static readonly int[] SymbolCols = new int[] { 10, 12, 14, 16, 18, 20, 22, 24, 26,
32, 36, 40, 44, 48, 52,
64, 72, 80, 88, 96, 104,
120, 132, 144,
18, 32, 26, 36, 36, 48 };
internal static readonly int[] DataRegionRows = new int[] { 8, 10, 12, 14, 16, 18, 20, 22, 24,
14, 16, 18, 20, 22, 24,
14, 16, 18, 20, 22, 24,
18, 20, 22,
6, 6, 10, 10, 14, 14 };
internal static readonly int[] DataRegionCols = new int[] { 8, 10, 12, 14, 16, 18, 20, 22, 24,
14, 16, 18, 20, 22, 24,
14, 16, 18, 20, 22, 24,
18, 20, 22,
16, 14, 24, 16, 16, 22 };
internal static readonly int[] HorizDataRegions = new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2,
4, 4, 4, 4, 4, 4,
6, 6, 6,
1, 2, 1, 2, 2, 2 };
internal static readonly int[] InterleavedBlocks = new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 2,
2, 4, 4, 4, 4, 6,
6, 8, 10,
1, 1, 1, 1, 1, 1 };
internal static readonly int[] SymbolDataWords = new int[] { 3, 5, 8, 12, 18, 22, 30, 36, 44,
62, 86, 114, 144, 174, 204,
280, 368, 456, 576, 696, 816,
1050, 1304, 1558,
5, 10, 16, 22, 32, 49 };
internal static readonly int[] BlockErrorWords = new int[] { 5, 7, 10, 12, 14, 18, 20, 24, 28,
36, 42, 48, 56, 68, 42,
56, 36, 48, 56, 68, 56,
68, 62, 62,
7, 11, 14, 18, 24, 28 };
internal static readonly int[] BlockMaxCorrectable = new int[] { 2, 3, 5, 6, 7, 9, 10, 12, 14,
18, 21, 24, 28, 34, 21,
28, 18, 24, 28, 34, 28,
34, 31, 31,
3, 5, 7, 9, 12, 14 };
internal static readonly int DmtxSymbolSquareCount = 24;
internal static readonly int DmtxSymbolRectCount = 6;
internal static readonly int DmtxUndefined = -1;
internal static readonly int[] DmtxPatternX = new int[] { -1, 0, 1, 1, 1, 0, -1, -1 };
internal static readonly int[] DmtxPatternY = new int[] { -1, -1, -1, 0, 1, 1, 1, 0 };
internal static readonly DmtxPointFlow DmtxBlankEdge = new DmtxPointFlow() { Plane = 0, Arrive = 0, Depart = 0, Mag = DmtxConstants.DmtxUndefined, Loc = new DmtxPixelLoc() { X = -1, Y = -1 } };
internal static readonly int DmtxHoughRes = 180;
internal static readonly int DmtxNeighborNone = 8;
internal static readonly int[] rHvX =
{ 256, 256, 256, 256, 255, 255, 255, 254, 254, 253, 252, 251, 250, 249, 248,
247, 246, 245, 243, 242, 241, 239, 237, 236, 234, 232, 230, 228, 226, 224,
222, 219, 217, 215, 212, 210, 207, 204, 202, 199, 196, 193, 190, 187, 184,
181, 178, 175, 171, 168, 165, 161, 158, 154, 150, 147, 143, 139, 136, 132,
128, 124, 120, 116, 112, 108, 104, 100, 96, 92, 88, 83, 79, 75, 71,
66, 62, 58, 53, 49, 44, 40, 36, 31, 27, 22, 18, 13, 9, 4,
0, -4, -9, -13, -18, -22, -27, -31, -36, -40, -44, -49, -53, -58, -62,
-66, -71, -75, -79, -83, -88, -92, -96, -100, -104, -108, -112, -116, -120, -124,
-128, -132, -136, -139, -143, -147, -150, -154, -158, -161, -165, -168, -171, -175, -178,
-181, -184, -187, -190, -193, -196, -199, -202, -204, -207, -210, -212, -215, -217, -219,
-222, -224, -226, -228, -230, -232, -234, -236, -237, -239, -241, -242, -243, -245, -246,
-247, -248, -249, -250, -251, -252, -253, -254, -254, -255, -255, -255, -256, -256, -256 };
internal static readonly int[] rHvY =
{ 0, 4, 9, 13, 18, 22, 27, 31, 36, 40, 44, 49, 53, 58, 62,
66, 71, 75, 79, 83, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124,
128, 132, 136, 139, 143, 147, 150, 154, 158, 161, 165, 168, 171, 175, 178,
181, 184, 187, 190, 193, 196, 199, 202, 204, 207, 210, 212, 215, 217, 219,
222, 224, 226, 228, 230, 232, 234, 236, 237, 239, 241, 242, 243, 245, 246,
247, 248, 249, 250, 251, 252, 253, 254, 254, 255, 255, 255, 256, 256, 256,
256, 256, 256, 256, 255, 255, 255, 254, 254, 253, 252, 251, 250, 249, 248,
247, 246, 245, 243, 242, 241, 239, 237, 236, 234, 232, 230, 228, 226, 224,
222, 219, 217, 215, 212, 210, 207, 204, 202, 199, 196, 193, 190, 187, 184,
181, 178, 175, 171, 168, 165, 161, 158, 154, 150, 147, 143, 139, 136, 132,
128, 124, 120, 116, 112, 108, 104, 100, 96, 92, 88, 83, 79, 75, 71,
66, 62, 58, 53, 49, 44, 40, 36, 31, 27, 22, 18, 13, 9, 4 };
internal static readonly int[] aLogVal =
{ 1, 2, 4, 8, 16, 32, 64, 128, 45, 90, 180, 69, 138, 57, 114, 228,
229, 231, 227, 235, 251, 219, 155, 27, 54, 108, 216, 157, 23, 46, 92, 184,
93, 186, 89, 178, 73, 146, 9, 18, 36, 72, 144, 13, 26, 52, 104, 208,
141, 55, 110, 220, 149, 7, 14, 28, 56, 112, 224, 237, 247, 195, 171, 123,
246, 193, 175, 115, 230, 225, 239, 243, 203, 187, 91, 182, 65, 130, 41, 82,
164, 101, 202, 185, 95, 190, 81, 162, 105, 210, 137, 63, 126, 252, 213, 135,
35, 70, 140, 53, 106, 212, 133, 39, 78, 156, 21, 42, 84, 168, 125, 250,
217, 159, 19, 38, 76, 152, 29, 58, 116, 232, 253, 215, 131, 43, 86, 172,
117, 234, 249, 223, 147, 11, 22, 44, 88, 176, 77, 154, 25, 50, 100, 200,
189, 87, 174, 113, 226, 233, 255, 211, 139, 59, 118, 236, 245, 199, 163, 107,
214, 129, 47, 94, 188, 85, 170, 121, 242, 201, 191, 83, 166, 97, 194, 169,
127, 254, 209, 143, 51, 102, 204, 181, 71, 142, 49, 98, 196, 165, 103, 206,
177, 79, 158, 17, 34, 68, 136, 61, 122, 244, 197, 167, 99, 198, 161, 111,
222, 145, 15, 30, 60, 120, 240, 205, 183, 67, 134, 33, 66, 132, 37, 74,
148, 5, 10, 20, 40, 80, 160, 109, 218, 153, 31, 62, 124, 248, 221, 151,
3, 6, 12, 24, 48, 96, 192, 173, 119, 238, 241, 207, 179, 75, 150, 1 };
internal static readonly int[] logVal =
{-255, 255, 1, 240, 2, 225, 241, 53, 3, 38, 226, 133, 242, 43, 54, 210,
4, 195, 39, 114, 227, 106, 134, 28, 243, 140, 44, 23, 55, 118, 211, 234,
5, 219, 196, 96, 40, 222, 115, 103, 228, 78, 107, 125, 135, 8, 29, 162,
244, 186, 141, 180, 45, 99, 24, 49, 56, 13, 119, 153, 212, 199, 235, 91,
6, 76, 220, 217, 197, 11, 97, 184, 41, 36, 223, 253, 116, 138, 104, 193,
229, 86, 79, 171, 108, 165, 126, 145, 136, 34, 9, 74, 30, 32, 163, 84,
245, 173, 187, 204, 142, 81, 181, 190, 46, 88, 100, 159, 25, 231, 50, 207,
57, 147, 14, 67, 120, 128, 154, 248, 213, 167, 200, 63, 236, 110, 92, 176,
7, 161, 77, 124, 221, 102, 218, 95, 198, 90, 12, 152, 98, 48, 185, 179,
42, 209, 37, 132, 224, 52, 254, 239, 117, 233, 139, 22, 105, 27, 194, 113,
230, 206, 87, 158, 80, 189, 172, 203, 109, 175, 166, 62, 127, 247, 146, 66,
137, 192, 35, 252, 10, 183, 75, 216, 31, 83, 33, 73, 164, 144, 85, 170,
246, 65, 174, 61, 188, 202, 205, 157, 143, 169, 82, 72, 182, 215, 191, 251,
47, 178, 89, 151, 101, 94, 160, 123, 26, 112, 232, 21, 51, 238, 208, 131,
58, 69, 148, 18, 15, 16, 68, 17, 121, 149, 129, 19, 155, 59, 249, 70,
214, 250, 168, 71, 201, 156, 64, 60, 237, 130, 111, 20, 93, 122, 177, 150 };
}
internal enum DmtxFormat
{
Matrix,
Mosaic,
}
internal enum DmtxSymAttribute
{
DmtxSymAttribSymbolRows,
DmtxSymAttribSymbolCols,
DmtxSymAttribDataRegionRows,
DmtxSymAttribDataRegionCols,
DmtxSymAttribHorizDataRegions,
DmtxSymAttribVertDataRegions,
DmtxSymAttribMappingMatrixRows,
DmtxSymAttribMappingMatrixCols,
DmtxSymAttribInterleavedBlocks,
DmtxSymAttribBlockErrorWords,
DmtxSymAttribBlockMaxCorrectable,
DmtxSymAttribSymbolDataWords,
DmtxSymAttribSymbolErrorWords,
DmtxSymAttribSymbolMaxCorrectable
}
public enum DmtxSymbolSize
{
DmtxSymbolRectAuto = -3,
DmtxSymbolSquareAuto = -2,
DmtxSymbolShapeAuto = -1,
DmtxSymbol10x10 = 0,
DmtxSymbol12x12,
DmtxSymbol14x14,
DmtxSymbol16x16,
DmtxSymbol18x18,
DmtxSymbol20x20,
DmtxSymbol22x22,
DmtxSymbol24x24,
DmtxSymbol26x26,
DmtxSymbol32x32,
DmtxSymbol36x36,
DmtxSymbol40x40,
DmtxSymbol44x44,
DmtxSymbol48x48,
DmtxSymbol52x52,
DmtxSymbol64x64,
DmtxSymbol72x72,
DmtxSymbol80x80,
DmtxSymbol88x88,
DmtxSymbol96x96,
DmtxSymbol104x104,
DmtxSymbol120x120,
DmtxSymbol132x132,
DmtxSymbol144x144,
DmtxSymbol8x18,
DmtxSymbol8x32,
DmtxSymbol12x26,
DmtxSymbol12x36,
DmtxSymbol16x36,
DmtxSymbol16x48
}
internal enum DmtxFlip
{
DmtxFlipNone = 0x00,
DmtxFlipX = 0x01 << 0,
DmtxFlipY = 0x01 << 1
}
internal enum DmtxPackOrder
{
/* Custom format */
DmtxPackCustom = 100,
/* 1 bpp */
DmtxPack1bppK = 200,
/* 8 bpp grayscale */
DmtxPack8bppK = 300,
/* 16 bpp formats */
DmtxPack16bppRGB = 400,
DmtxPack16bppRGBX,
DmtxPack16bppXRGB,
DmtxPack16bppBGR,
DmtxPack16bppBGRX,
DmtxPack16bppXBGR,
DmtxPack16bppYCbCr,
/* 24 bpp formats */
DmtxPack24bppRGB = 500,
DmtxPack24bppBGR,
DmtxPack24bppYCbCr,
/* 32 bpp formats */
DmtxPack32bppRGBX = 600,
DmtxPack32bppXRGB,
DmtxPack32bppBGRX,
DmtxPack32bppXBGR,
DmtxPack32bppCMYK
}
internal enum DmtxRange
{
DmtxRangeGood,
DmtxRangeBad,
DmtxRangeEnd
}
internal enum DmtxDirection
{
DmtxDirNone = 0x00,
DmtxDirUp = 0x01 << 0,
DmtxDirLeft = 0x01 << 1,
DmtxDirDown = 0x01 << 2,
DmtxDirRight = 0x01 << 3,
DmtxDirHorizontal = DmtxDirLeft | DmtxDirRight,
DmtxDirVertical = DmtxDirUp | DmtxDirDown,
DmtxDirRightUp = DmtxDirRight | DmtxDirUp,
DmtxDirLeftDown = DmtxDirLeft | DmtxDirDown
}
public enum DmtxScheme
{
DmtxSchemeAutoFast = -2,
DmtxSchemeAutoBest = -1,
DmtxSchemeAscii = 0,
DmtxSchemeC40,
DmtxSchemeText,
DmtxSchemeX12,
DmtxSchemeEdifact,
DmtxSchemeBase256,
DmtxSchemeAsciiGS1
}
internal enum DmtxMaskBit
{
DmtxMaskBit8 = 0x01 << 0,
DmtxMaskBit7 = 0x01 << 1,
DmtxMaskBit6 = 0x01 << 2,
DmtxMaskBit5 = 0x01 << 3,
DmtxMaskBit4 = 0x01 << 4,
DmtxMaskBit3 = 0x01 << 5,
DmtxMaskBit2 = 0x01 << 6,
DmtxMaskBit1 = 0x01 << 7
}
internal enum DmtxEdge
{
DmtxEdgeTop = 0x01 << 0,
DmtxEdgeBottom = 0x01 << 1,
DmtxEdgeLeft = 0x01 << 2,
DmtxEdgeRight = 0x01 << 3
}
enum DmtxChannelStatus
{
DmtxChannelValid = 0x00,
DmtxChannelUnsupportedChar = 0x01 << 0,
DmtxChannelCannotUnlatch = 0x01 << 1
}
enum DmtxUnlatch
{
Explicit,
Implicit
}
}

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DataMatrix.net/DmtxFollow.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal struct DmtxFollow
{
#region Fields
int _ptrIndex;
#endregion
#region Properties
internal int PtrIndex
{
set
{
_ptrIndex = value;
}
}
internal byte CurrentPtr
{
get
{
return this.Ptr[_ptrIndex];
}
set
{
this.Ptr[_ptrIndex] = value;
}
}
internal byte[] Ptr { get; set; }
internal byte Neighbor
{
get
{
return this.Ptr[_ptrIndex];
}
set
{
this.Ptr[_ptrIndex] = value;
}
}
internal int Step { get; set; }
internal DmtxPixelLoc Loc { get; set; }
#endregion
}
}

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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
namespace DataMatrix.net
{
internal class DmtxImage
{
#region Fields
int _rowPadBytes;
#endregion
#region Constructor
internal DmtxImage(byte[] pxl, int width, int height, DmtxPackOrder pack)
{
this.BitsPerChannel = new int[4];
this.ChannelStart = new int[4];
if (pxl == null || width < 1 || height < 1)
{
throw new ArgumentException("Cannot create image of size null");
}
this.Pxl = pxl;
this.Width = width;
this.Height = height;
this.PixelPacking = pack;
this.BitsPerPixel = DmtxCommon.GetBitsPerPixel(pack);
this.BytesPerPixel = this.BitsPerPixel / 8;
this._rowPadBytes = 0;
this.RowSizeBytes = this.Width * this.BytesPerPixel + this._rowPadBytes;
this.ImageFlip = DmtxFlip.DmtxFlipNone;
/* Leave channelStart[] and bitsPerChannel[] with zeros from calloc */
this.ChannelCount = 0;
switch (pack)
{
case DmtxPackOrder.DmtxPackCustom:
break;
case DmtxPackOrder.DmtxPack1bppK:
throw new ArgumentException("Cannot create image: not supported pack order!");
case DmtxPackOrder.DmtxPack8bppK:
SetChannel(0, 8);
break;
case DmtxPackOrder.DmtxPack16bppRGB:
case DmtxPackOrder.DmtxPack16bppBGR:
case DmtxPackOrder.DmtxPack16bppYCbCr:
SetChannel(0, 5);
SetChannel(5, 5);
SetChannel(10, 5);
break;
case DmtxPackOrder.DmtxPack24bppRGB:
case DmtxPackOrder.DmtxPack24bppBGR:
case DmtxPackOrder.DmtxPack24bppYCbCr:
case DmtxPackOrder.DmtxPack32bppRGBX:
case DmtxPackOrder.DmtxPack32bppBGRX:
SetChannel(0, 8);
SetChannel(8, 8);
SetChannel(16, 8);
break;
case DmtxPackOrder.DmtxPack16bppRGBX:
case DmtxPackOrder.DmtxPack16bppBGRX:
SetChannel(0, 5);
SetChannel(5, 5);
SetChannel(10, 5);
break;
case DmtxPackOrder.DmtxPack16bppXRGB:
case DmtxPackOrder.DmtxPack16bppXBGR:
SetChannel(1, 5);
SetChannel(6, 5);
SetChannel(11, 5);
break;
case DmtxPackOrder.DmtxPack32bppXRGB:
case DmtxPackOrder.DmtxPack32bppXBGR:
SetChannel(8, 8);
SetChannel(16, 8);
SetChannel(24, 8);
break;
case DmtxPackOrder.DmtxPack32bppCMYK:
SetChannel(0, 8);
SetChannel(8, 8);
SetChannel(16, 8);
SetChannel(24, 8);
break;
default:
throw new ArgumentException("Cannot create image: Invalid Pack Order");
}
}
#endregion
#region Methods
internal bool SetChannel(int channelStart, int bitsPerChannel)
{
if (this.ChannelCount >= 4) /* IMAGE_MAX_CHANNEL */
return false;
/* New channel extends beyond pixel data */
this.BitsPerChannel[this.ChannelCount] = bitsPerChannel;
this.ChannelStart[this.ChannelCount] = channelStart;
(this.ChannelCount)++;
return true;
}
internal int GetByteOffset(int x, int y)
{
if (this.ImageFlip == DmtxFlip.DmtxFlipX)
{
throw new ArgumentException("DmtxFlipX is not an option!");
}
if (!ContainsInt(0, x, y))
return DmtxConstants.DmtxUndefined;
if (this.ImageFlip == DmtxFlip.DmtxFlipY)
return (y * this.RowSizeBytes + x * this.BytesPerPixel);
return ((this.Height - y - 1) * this.RowSizeBytes + x * this.BytesPerPixel);
}
internal bool GetPixelValue(int x, int y, int channel, ref int value)
{
if (channel >= this.ChannelCount)
{
throw new ArgumentException("Channel greater than channel count!");
}
int offset = GetByteOffset(x, y);
if (offset == DmtxConstants.DmtxUndefined)
{
return false;
}
switch (this.BitsPerChannel[channel])
{
case 1:
break;
case 5:
break;
case 8:
if (this.ChannelStart[channel] % 8 != 0 || this.BitsPerPixel % 8 != 0)
{
throw new Exception("Error getting pixel value");
}
value = this.Pxl[offset + channel];
break;
}
return true;
}
internal bool SetPixelValue(int x, int y, int channel, byte value)
{
if (channel >= this.ChannelCount)
{
throw new ArgumentException("Channel greater than channel count!");
}
int offset = GetByteOffset(x, y);
if (offset == DmtxConstants.DmtxUndefined)
{
return false;
}
switch (this.BitsPerChannel[channel])
{
case 1:
break;
case 5:
break;
case 8:
if (this.ChannelStart[channel] % 8 != 0 || this.BitsPerPixel % 8 != 0)
{
throw new Exception("Error getting pixel value");
}
this.Pxl[offset + channel] = value;
break;
}
return true;
}
internal bool ContainsInt(int margin, int x, int y)
{
if (x - margin >= 0 && x + margin < this.Width &&
y - margin >= 0 && y + margin < this.Height)
return true;
return false;
}
internal bool ContainsFloat(double x, double y)
{
if (x >= 0.0 && x < this.Width && y >= 0.0 && y < this.Height)
{
return true;
}
return false;
}
#endregion
#region Properties
internal int Width { get; set; }
internal int Height { get; set; }
internal DmtxPackOrder PixelPacking { get; set; }
internal int BitsPerPixel { get; set; }
internal int BytesPerPixel { get; set; }
internal int RowPadBytes
{
get { return _rowPadBytes; }
set
{
_rowPadBytes = value;
this.RowSizeBytes = this.Width * (this.BitsPerPixel / 8) + this._rowPadBytes;
}
}
internal int RowSizeBytes { get; set; }
internal DmtxFlip ImageFlip { get; set; }
internal int ChannelCount { get; set; }
internal int[] ChannelStart { get; set; }
internal int[] BitsPerChannel { get; set; }
internal byte[] Pxl { get; set; }
#endregion
}
}

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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.Diagnostics;
namespace DataMatrix.net
{
public class DmtxImageDecoder
{
/// <summary>
/// returns a list of all decoded DataMatrix codes in the image provided
/// </summary>
public List<string> DecodeImage(Bitmap image)
{
return DecodeImage(image, int.MaxValue, TimeSpan.MaxValue);
}
/// <summary>
/// returns a list of all decoded DataMatrix codes in the image provided
/// that can be found in the given time span
/// </summary>
public List<string> DecodeImage(Bitmap image, TimeSpan timeSpan)
{
return DecodeImage(image, int.MaxValue, timeSpan);
}
/// <summary>
/// returns a list of all decoded DataMatrix codes in the image provided
/// </summary>
public List<string> DecodeImageMosaic(Bitmap image)
{
return DecodeImageMosaic(image, int.MaxValue, TimeSpan.MaxValue);
}
/// <summary>
/// returns a list of DataMatrix codes in the image provided that can be
/// found in the given time span, but no more than maxResultCount codes
/// (useful, if you e.g. expect only one code to be in the image)
/// </summary>
public List<string> DecodeImageMosaic(Bitmap image, int maxResultCount, TimeSpan timeOut)
{
return DecodeImage(image, maxResultCount, timeOut, true);
}
/// <summary>
/// returns a list of all decoded DataMatrix codes in the image provided
/// that can be found in the given time span
/// </summary>
public List<string> DecodeImageMosaic(Bitmap image, TimeSpan timeSpan)
{
return DecodeImage(image, int.MaxValue, timeSpan);
}
/// <summary>
/// returns a list of DataMatrix codes in the image provided that can be
/// found in the given time span, but no more than maxResultCount codes
/// (useful, if you e.g. expect only one code to be in the image)
/// </summary>
public List<string> DecodeImage(Bitmap image, int maxResultCount, TimeSpan timeOut)
{
return DecodeImage(image, maxResultCount, timeOut, false);
}
private List<string> DecodeImage(Bitmap image, int maxResultCount, TimeSpan timeOut, bool isMosaic)
{
List<string> result = new List<string>();
int stride;
byte[] rawImg = ImageToByteArray(image, out stride);
DmtxImage dmtxImg = new DmtxImage(rawImg, image.Width, image.Height, DmtxPackOrder.DmtxPack24bppRGB);
dmtxImg.RowPadBytes = stride % 3;
DmtxDecode decode = new DmtxDecode(dmtxImg, 1);
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
while (true)
{
if (stopWatch.Elapsed > timeOut)
{
break;
}
DmtxRegion region = decode.RegionFindNext(timeOut);
if (region != null)
{
DmtxMessage msg = isMosaic ? decode.MosaicRegion(region, -1) : decode.MatrixRegion(region, -1);
string message = Encoding.ASCII.GetString(msg.Output, 0, msg.Output.Length);
message = message.Substring(0, message.IndexOf('\0'));
if (!result.Contains(message))
{
result.Add(message);
if (result.Count >= maxResultCount)
{
break;
}
}
}
else
{
break;
}
}
return result;
}
private byte[] ImageToByteArray(Bitmap b, out int stride)
{
Rectangle rect = new Rectangle(0, 0, b.Width, b.Height);
BitmapData bd = b.LockBits(rect, ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
try
{
byte[] pxl = new byte[bd.Stride * b.Height];
Marshal.Copy(bd.Scan0, pxl, 0, bd.Stride * b.Height);
stride = bd.Stride;
return pxl;
}
finally
{
b.UnlockBits(bd);
}
}
}
}

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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Globalization;
using System.Drawing.Imaging;
namespace DataMatrix.net
{
public class DmtxImageEncoder
{
public static readonly int DefaultDotSize = 5;
public static readonly int DefaultMargin = 10;
public static readonly Color DefaultBackColor = Color.White;
public static readonly Color DefaultForeColor = Color.Black;
public Bitmap EncodeImageMosaic(string val)
{
return EncodeImageMosaic(val, DefaultDotSize);
}
public Bitmap EncodeImageMosaic(string val, int dotSize)
{
return EncodeImageMosaic(val, dotSize, DefaultMargin);
}
public Bitmap EncodeImageMosaic(string val, int dotSize, int margin)
{
DmtxImageEncoderOptions options = new DmtxImageEncoderOptions {MarginSize = margin, ModuleSize = dotSize};
return EncodeImageMosaic(val, options);
}
public Bitmap EncodeImageMosaic(string val, DmtxImageEncoderOptions options)
{
return EncodeImage(val, options, true);
}
private Bitmap EncodeImage(string val, DmtxImageEncoderOptions options, bool isMosaic)
{
DmtxEncode encode = new DmtxEncode
{
ModuleSize = options.ModuleSize,
MarginSize = options.MarginSize,
SizeIdxRequest = options.SizeIdx
};
byte[] valAsByteArray = GetRawDataAndSetEncoding(val, options, encode);
if (isMosaic)
{
encode.EncodeDataMosaic(valAsByteArray);
}
else
{
encode.EncodeDataMatrix(options.ForeColor, options.BackColor, valAsByteArray);
}
return CopyDataToBitmap(encode.Image.Pxl, encode.Image.Width, encode.Image.Height);
}
private static byte[] GetRawDataAndSetEncoding(string code, DmtxImageEncoderOptions options, DmtxEncode encode)
{
byte[] result = options.Encoding.GetBytes(code);
encode.Scheme = options.Scheme;
if (options.Scheme == DmtxScheme.DmtxSchemeAsciiGS1)
{
List<byte> prefixedRawData = new List<byte>(new[] { (byte)232 });
prefixedRawData.AddRange(result);
result = prefixedRawData.ToArray();
encode.Scheme = DmtxScheme.DmtxSchemeAscii;
}
return result;
}
public Bitmap EncodeImage(string val)
{
return EncodeImage(val, DefaultDotSize, DefaultMargin);
}
public Bitmap EncodeImage(string val, int dotSize)
{
return EncodeImage(val, dotSize, DefaultMargin);
}
public Bitmap EncodeImage(string val, int dotSize, int margin)
{
DmtxImageEncoderOptions options = new DmtxImageEncoderOptions {MarginSize = margin, ModuleSize = dotSize};
return EncodeImage(val, options);
}
public Bitmap EncodeImage(string val, DmtxImageEncoderOptions options)
{
return EncodeImage(val, options, false);
}
public string EncodeSvgImage(string val)
{
return EncodeSvgImage(val, DefaultDotSize, DefaultMargin, DefaultForeColor, DefaultBackColor);
}
public string EncodeSvgImage(string val, int dotSize)
{
return EncodeSvgImage(val, dotSize, DefaultMargin, DefaultForeColor, DefaultBackColor);
}
public string EncodeSvgImage(string val, int dotSize, int margin)
{
return EncodeSvgImage(val, dotSize, margin, DefaultForeColor, DefaultBackColor);
}
public string EncodeSvgImage(string val, int dotSize, int margin, Color foreColor, Color backColor)
{
DmtxImageEncoderOptions options = new DmtxImageEncoderOptions
{
ModuleSize = dotSize,
MarginSize = margin,
ForeColor = foreColor,
BackColor = backColor
};
return EncodeSvgImage(val, options);
}
public bool[,] EncodeRawData(string val)
{
return EncodeRawData(val, new DmtxImageEncoderOptions());
}
public bool[,] EncodeRawData(string val, DmtxImageEncoderOptions options)
{
DmtxEncode encode = new DmtxEncode
{
ModuleSize = 1,
MarginSize = 0,
SizeIdxRequest = options.SizeIdx,
Scheme = options.Scheme
};
byte[] valAsByteArray = GetRawDataAndSetEncoding(val, options, encode);
encode.EncodeDataMatrixRaw(valAsByteArray);
return encode.RawData;
}
public string EncodeSvgImage(string val, DmtxImageEncoderOptions options)
{
DmtxEncode encode = new DmtxEncode
{
ModuleSize = options.ModuleSize,
MarginSize = options.MarginSize,
SizeIdxRequest = options.SizeIdx,
Scheme = options.Scheme
};
byte[] valAsByteArray = GetRawDataAndSetEncoding(val, options, encode);
encode.EncodeDataMatrix(options.ForeColor, options.BackColor, valAsByteArray);
return EncodeSvgFile(encode, "", options.ModuleSize, options.MarginSize, options.ForeColor, options.BackColor);
}
internal static Bitmap CopyDataToBitmap(byte[] data, int width, int height)
{
data = InsertPaddingBytes(data, width, height, 24);
Bitmap bmp = new Bitmap(width, height);
BitmapData bmpData = bmp.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
Marshal.Copy(data, 0, bmpData.Scan0, data.Length);
bmp.UnlockBits(bmpData);
return bmp;
}
private static byte[] InsertPaddingBytes(byte[] data, int width, int height, int bitsPerPixel)
{
int paddedWidth = 4 * ((width * bitsPerPixel + 31) / 32);
int padding = paddedWidth - 3 * width;
if (padding == 0)
{
return data;
}
byte[] newData = new byte[paddedWidth * height];
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
newData[i * paddedWidth + 3 * j] = data[3 * (i * width + j)];
newData[i * paddedWidth + 3 * j + 1] = data[3 * (i * width + j) + 1];
newData[i * paddedWidth + 3 * j + 2] = data[3 * (i * width + j) + 2];
}
for (int k = 0; k < padding; k++)
{
newData[i * paddedWidth + 3 * k] = 255;
newData[i * paddedWidth + 3 * k + 1] = 255;
newData[i * paddedWidth + 3 * k + 2] = 255;
}
}
return newData;
}
private static NumberFormatInfo _dotFormatProvider;
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;
}
}
}

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DataMatrix.net/DmtxImageEncoderOptions.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
namespace DataMatrix.net
{
public class DmtxImageEncoderOptions
{
#region Constructor
public DmtxImageEncoderOptions()
{
BackColor = Color.White;
ForeColor = Color.Black;
SizeIdx = DmtxSymbolSize.DmtxSymbolSquareAuto;
Scheme = DmtxScheme.DmtxSchemeAscii;
ModuleSize = 5;
MarginSize = 10;
Encoding = Encoding.ASCII;
}
#endregion
#region Properties
public int MarginSize { get; set; }
public int ModuleSize { get; set; }
public DmtxScheme Scheme { get; set; }
public DmtxSymbolSize SizeIdx { get; set; }
public Color ForeColor { get; set; }
public Color BackColor { get; set; }
public Encoding Encoding { get; set; }
#endregion
}
}

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DataMatrix.net/DmtxMatrix3.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
namespace DataMatrix.net
{
internal class DmtxMatrix3
{
#region Fields
double[,] _data;
#endregion
#region Constructors
DmtxMatrix3()
{
}
/// <summary>
/// copy constructor
/// </summary>
/// <param name="src">the matrix to copy</param>
internal DmtxMatrix3(DmtxMatrix3 src)
{
_data = new[,] { { src[0, 0], src[0, 1], src[0, 2] }, { src[1, 0], src[1, 1], src[1, 2] }, { src[2, 0], src[2, 1], src[2, 2] } };
}
#endregion
#region internal Static Methods
/// <summary>
/// creates a 3x3 identitiy matrix:<para />
/// 1 0 0<para />
/// 0 1 0<para />
/// 0 0 1
/// </summary>
internal static DmtxMatrix3 Identity()
{
return Translate(0, 0);
}
/// <summary>
/// generates a 3x3 translate transformation matrix
/// 1 0 0<para />
/// 0 1 0<para />
/// tx ty 1
/// </summary>
/// <param name="tx"></param>
/// <param name="ty"></param>
internal static DmtxMatrix3 Translate(double tx, double ty)
{
DmtxMatrix3 result = new DmtxMatrix3 {_data = new[,] {{1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {tx, ty, 1.0}}};
return result;
}
/// <summary>
/// generates a 3x3 rotate transformation matrix
/// cos(angle) sin(angle) 0<para />
/// -sin(angle) cos(angle) 0<para />
/// 0 0 1
/// </summary>
/// <param name="angle"></param>
internal static DmtxMatrix3 Rotate(double angle)
{
DmtxMatrix3 result = new DmtxMatrix3 { _data = new[,] {
{Math.Cos(angle), Math.Sin(angle), 0.0},
{-Math.Sin(angle), Math.Cos(angle), 0.0}, {0, 0, 1.0} }};
return result;
}
/// <summary>
/// generates a 3x3 scale transformation matrix
/// sx 0 0<para />
/// 0 sy 0<para />
/// 0 0 1
/// </summary>
/// <param name="sx"></param>
/// <param name="sy"></param>
/// <returns></returns>
internal static DmtxMatrix3 Scale(double sx, double sy)
{
DmtxMatrix3 result = new DmtxMatrix3 {_data = new[,] {{sx, 0.0, 0.0}, {0.0, sy, 0.0}, {0, 0, 1.0}}};
return result;
}
/// <summary>
/// generates a 3x3 shear transformation matrix
/// 0 shx 0<para />
/// shy 0 0<para />
/// 0 0 1
/// </summary>
/// <returns></returns>
internal static DmtxMatrix3 Shear(double shx, double shy)
{
DmtxMatrix3 result = new DmtxMatrix3 {_data = new[,] {{1.0, shy, 0.0}, {shx, 1.0, 0.0}, {0, 0, 1.0}}};
return result;
}
/// <summary>
/// generates a 3x3 top line skew transformation matrix
/// b1/b0 0 (b1-b0)/(sz * b0)<para />
/// 0 sz/b0 0<para />
/// 0 0 1
/// </summary>
/// <returns></returns>
internal static DmtxMatrix3 LineSkewTop(double b0, double b1, double sz)
{
if (b0 < DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("b0 must be larger than zero in top line skew transformation");
}
DmtxMatrix3 result = new DmtxMatrix3
{_data = new[,] {{b1/b0, 0.0, (b1 - b0)/(sz*b0)}, {0.0, sz/b0, 0.0}, {0, 0, 1.0}}};
return result;
}
/// <summary>
/// generates a 3x3 top line skew transformation matrix (inverse)
/// b0/b1 0 (b0-b1)/(sz * b1)<para />
/// 0 b0/sz 0<para />
/// 0 0 1
/// </summary>
/// <returns></returns>
internal static DmtxMatrix3 LineSkewTopInv(double b0, double b1, double sz)
{
if (b1 < DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("b1 must be larger than zero in top line skew transformation (inverse)");
}
DmtxMatrix3 result = new DmtxMatrix3
{_data = new[,] {{b0/b1, 0.0, (b0 - b1)/(sz*b1)}, {0.0, b0/sz, 0.0}, {0, 0, 1.0}}};
return result;
}
/// <summary>
/// generates a 3x3 side line skew transformation matrix (inverse)
/// sz/b0 0 0<para />
/// 0 b1/b0 (b1-b0)/(sz*b0)<para />
/// 0 0 1
/// </summary>
/// <returns></returns>
internal static DmtxMatrix3 LineSkewSide(double b0, double b1, double sz)
{
if (b0 < DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("b0 must be larger than zero in side line skew transformation (inverse)");
}
DmtxMatrix3 result = new DmtxMatrix3
{_data = new[,] {{sz/b0, 0.0, 0.0}, {0.0, b1/b0, (b1 - b0)/(sz*b0)}, {0, 0, 1.0}}};
return result;
}
/// <summary>
/// generates a 3x3 side line skew transformation matrix (inverse)
/// b0/sz 0 0<para />
/// 0 b0/b1 (b0 - b1) / (sz * b1)<para />
/// 0 0 1
/// </summary>
/// <returns></returns>
internal static DmtxMatrix3 LineSkewSideInv(double b0, double b1, double sz)
{
if (b1 < DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("b1 must be larger than zero in top line skew transformation (inverse)");
}
DmtxMatrix3 result = new DmtxMatrix3
{_data = new[,] {{b0/sz, 0.0, 0.0}, {0.0, b0/b1, (b0 - b1)/(sz*b1)}, {0, 0, 1.0}}};
return result;
}
public static DmtxMatrix3 operator *(DmtxMatrix3 m1, DmtxMatrix3 m2)
{
DmtxMatrix3 result = new DmtxMatrix3 {_data = new[,] {{0.0, 0, 0}, {0, 0, 0}, {0, 0, 0}}};
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
for (int k = 0; k < 3; k++)
{
result[i, j] += m1[i, k] * m2[k, j];
}
}
}
return result;
}
public static DmtxVector2 operator *(DmtxVector2 vector, DmtxMatrix3 matrix)
{
double w = Math.Abs(vector.X * matrix[0, 2] + vector.Y * matrix[1, 2] + matrix[2, 2]);
if (w <= DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("Multiplication of vector and matrix resulted in invalid result");
}
DmtxVector2 result = new DmtxVector2((vector.X*matrix[0,0] + vector.Y * matrix[1,0] + matrix[2,0])/w,
(vector.X * matrix[0,1] + vector.Y * matrix[1,1] + matrix[2,1])/w);
return result;
}
#endregion
#region Methods
public override string ToString()
{
return string.Format("{0}\t{1}\t{2}\n{3}\t{4}\t{5}\n{6}\t{7}\t{8}\n", _data[0, 0], _data[0, 1], _data[0, 2], _data[1, 0], _data[1, 1], _data[1, 2], _data[2, 0], _data[2, 1], _data[2, 2]);
}
#endregion
#region Properties
internal double this[int i, int j]
{
get
{
return _data[i, j];
}
set
{
_data[i, j] = value;
}
}
#endregion
}
}

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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
namespace DataMatrix.net
{
internal class DmtxMessage
{
#region Fields
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];
}
#endregion
#region Methods
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();
}
}
private void PushOutputMacroHeader(byte macroType)
{
PushOutputWord((byte)'[');
PushOutputWord((byte)')');
PushOutputWord((byte)'>');
PushOutputWord(30); /* ASCII RS */
PushOutputWord((byte)'0');
if (macroType == DmtxConstants.DmtxChar05Macro)
{
PushOutputWord((byte)'5');
}
else if (macroType == DmtxConstants.DmtxChar06Macro)
{
PushOutputWord((byte)'6');
}
else
{
throw new ArgumentException("Macro Header only supported for char05 and char06");
}
PushOutputWord(29); /* ASCII GS */
}
void PushOutputMacroTrailer()
{
PushOutputWord(30); /* ASCII RS */
PushOutputWord(4); /* ASCII EOT */
}
void PushOutputWord(byte value)
{
this.Output[this._outputIdx++] = value;
}
static DmtxScheme GetEncodationScheme(byte val)
{
if (val == DmtxConstants.DmtxCharC40Latch)
{
return DmtxScheme.DmtxSchemeC40;
}
if (val == DmtxConstants.DmtxCharBase256Latch)
{
return DmtxScheme.DmtxSchemeBase256;
}
if (val == DmtxConstants.DmtxCharEdifactLatch)
{
return DmtxScheme.DmtxSchemeEdifact;
}
if (val == DmtxConstants.DmtxCharTextLatch)
{
return DmtxScheme.DmtxSchemeText;
}
if (val == DmtxConstants.DmtxCharX12Latch)
{
return DmtxScheme.DmtxSchemeX12;
}
return DmtxScheme.DmtxSchemeAscii;
}
int DecodeSchemeAscii(int startIndex, int endIndex)
{
bool upperShift = false;
while (startIndex < endIndex)
{
byte codeword = this.Code[startIndex];
if (GetEncodationScheme(this.Code[startIndex]) != DmtxScheme.DmtxSchemeAscii)
return startIndex;
startIndex++;
if (upperShift)
{
PushOutputWord((byte)(codeword + 127));
upperShift = false;
}
else if (codeword == DmtxConstants.DmtxCharAsciiUpperShift)
{
upperShift = true;
}
else if (codeword == DmtxConstants.DmtxCharAsciiPad)
{
this.PadCount = endIndex - startIndex;
return endIndex;
}
else if (codeword <= 128)
{
PushOutputWord((byte)(codeword - 1));
}
else if (codeword <= 229)
{
byte digits = (byte)(codeword - 130);
PushOutputWord((byte)(digits / 10 + '0'));
PushOutputWord((byte)(digits - (digits / 10) * 10 + '0'));
}
}
return startIndex;
}
int DecodeSchemeC40Text(int startIndex, int endIndex, DmtxScheme encScheme)
{
int[] c40Values = new int[3];
C40TextState state = new C40TextState {Shift = DmtxConstants.DmtxC40TextBasicSet, UpperShift = false};
if (!(encScheme == DmtxScheme.DmtxSchemeC40 || encScheme == DmtxScheme.DmtxSchemeText))
{
throw new ArgumentException("Invalid scheme selected for decodind!");
}
while (startIndex < endIndex)
{
/* FIXME Also check that ptr+1 is safe to access */
int packed = (this.Code[startIndex] << 8) | this.Code[startIndex + 1];
c40Values[0] = ((packed - 1) / 1600);
c40Values[1] = ((packed - 1) / 40) % 40;
c40Values[2] = (packed - 1) % 40;
startIndex += 2;
int i;
for (i = 0; i < 3; i++)
{
if (state.Shift == DmtxConstants.DmtxC40TextBasicSet)
{ /* Basic set */
if (c40Values[i] <= 2)
{
state.Shift = c40Values[i] + 1;
}
else if (c40Values[i] == 3)
{
PushOutputC40TextWord(ref state, ' ');
}
else if (c40Values[i] <= 13)
{
PushOutputC40TextWord(ref state, c40Values[i] - 13 + '9'); /* 0-9 */
}
else if (c40Values[i] <= 39)
{
if (encScheme == DmtxScheme.DmtxSchemeC40)
{
PushOutputC40TextWord(ref state, c40Values[i] - 39 + 'Z'); /* A-Z */
}
else if (encScheme == DmtxScheme.DmtxSchemeText)
{
PushOutputC40TextWord(ref state, c40Values[i] - 39 + 'z'); /* a-z */
}
}
}
else if (state.Shift == DmtxConstants.DmtxC40TextShift1)
{ /* Shift 1 set */
PushOutputC40TextWord(ref state, c40Values[i]); /* ASCII 0 - 31 */
}
else if (state.Shift == DmtxConstants.DmtxC40TextShift2)
{ /* Shift 2 set */
if (c40Values[i] <= 14)
{
PushOutputC40TextWord(ref state, c40Values[i] + 33); /* ASCII 33 - 47 */
}
else if (c40Values[i] <= 21)
{
PushOutputC40TextWord(ref state, c40Values[i] + 43); /* ASCII 58 - 64 */
}
else if (c40Values[i] <= 26)
{
PushOutputC40TextWord(ref state, c40Values[i] + 69); /* ASCII 91 - 95 */
}
else if (c40Values[i] == 27)
{
PushOutputC40TextWord(ref state, 0x1d); /* FNC1 -- XXX depends on position? */
}
else if (c40Values[i] == 30)
{
state.UpperShift = true;
state.Shift = DmtxConstants.DmtxC40TextBasicSet;
}
}
else if (state.Shift == DmtxConstants.DmtxC40TextShift3)
{ /* Shift 3 set */
if (encScheme == DmtxScheme.DmtxSchemeC40)
{
PushOutputC40TextWord(ref state, c40Values[i] + 96);
}
else if (encScheme == DmtxScheme.DmtxSchemeText)
{
if (c40Values[i] == 0)
PushOutputC40TextWord(ref state, c40Values[i] + 96);
else if (c40Values[i] <= 26)
PushOutputC40TextWord(ref state, c40Values[i] - 26 + 'Z'); /* A-Z */
else
PushOutputC40TextWord(ref state, c40Values[i] - 31 + 127); /* { | } ~ DEL */
}
}
}
/* Unlatch if codeword 254 follows 2 codewords in C40/Text encodation */
if (this.Code[startIndex] == DmtxConstants.DmtxCharTripletUnlatch)
return startIndex + 1;
/* Unlatch is implied if only one codeword remains */
if (endIndex - startIndex == 1)
return startIndex;
}
return startIndex;
}
void PushOutputC40TextWord(ref C40TextState state, int value)
{
if (!(value >= 0 && value < 256))
{
throw new ArgumentException("Invalid value: Exceeds range for conversion to byte");
}
this.Output[this._outputIdx] = (byte)value;
if (state.UpperShift)
{
if (!(value >= 0 && value < 256))
{
throw new ArgumentException("Invalid value: Exceeds range for conversion to upper case character");
}
this.Output[this._outputIdx] += 128;
}
this._outputIdx++;
state.Shift = DmtxConstants.DmtxC40TextBasicSet;
state.UpperShift = false;
}
private int DecodeSchemeX12(int startIndex, int endIndex)
{
int[] x12Values = new int[3];
while (startIndex < endIndex)
{
/* FIXME Also check that ptr+1 is safe to access */
int packed = (this.Code[startIndex] << 8) | this.Code[startIndex + 1];
x12Values[0] = ((packed - 1) / 1600);
x12Values[1] = ((packed - 1) / 40) % 40;
x12Values[2] = (packed - 1) % 40;
startIndex += 2;
for (int i = 0; i < 3; i++)
{
if (x12Values[i] == 0)
PushOutputWord(13);
else if (x12Values[i] == 1)
PushOutputWord(42);
else if (x12Values[i] == 2)
PushOutputWord(62);
else if (x12Values[i] == 3)
PushOutputWord(32);
else if (x12Values[i] <= 13)
PushOutputWord((byte)(x12Values[i] + 44));
else if (x12Values[i] <= 90)
PushOutputWord((byte)(x12Values[i] + 51));
}
/* Unlatch if codeword 254 follows 2 codewords in C40/Text encodation */
if (this.Code[startIndex] == DmtxConstants.DmtxCharTripletUnlatch)
return startIndex + 1;
/* Unlatch is implied if only one codeword remains */
if (endIndex - startIndex == 1)
return startIndex;
}
return startIndex;
}
int DecodeSchemeEdifact(int startIndex, int endIndex)
{
byte[] unpacked = new byte[4];
while (startIndex < endIndex)
{
/* FIXME Also check that ptr+2 is safe to access -- shouldn't be a
problem because I'm guessing you can guarantee there will always
be at least 3 error codewords */
unpacked[0] = (byte)((this.Code[startIndex] & 0xfc) >> 2);
unpacked[1] = (byte)((this.Code[startIndex] & 0x03) << 4 | (this.Code[startIndex + 1] & 0xf0) >> 4);
unpacked[2] = (byte)((this.Code[startIndex + 1] & 0x0f) << 2 | (this.Code[startIndex + 2] & 0xc0) >> 6);
unpacked[3] = (byte)(this.Code[startIndex + 2] & 0x3f);
for (int i = 0; i < 4; i++)
{
/* Advance input ptr (4th value comes from already-read 3rd byte) */
if (i < 3)
startIndex++;
/* Test for unlatch condition */
if (unpacked[i] == DmtxConstants.DmtxCharEdifactUnlatch)
{
if (this.Output[_outputIdx] != 0)
{/* XXX dirty why? */
throw new Exception("Error decoding edifact scheme");
}
return startIndex;
}
PushOutputWord((byte)(unpacked[i] ^ (((unpacked[i] & 0x20) ^ 0x20) << 1)));
}
/* Unlatch is implied if fewer than 3 codewords remain */
if (endIndex - startIndex < 3)
{
return startIndex;
}
}
return startIndex;
}
int DecodeSchemeBase256(int startIndex, int endIndex)
{
int tempEndIndex;
/* Find positional index used for unrandomizing */
int idx = startIndex + 1;
int d0 = UnRandomize255State(this.Code[startIndex++], idx++);
if (d0 == 0)
{
tempEndIndex = endIndex;
}
else if (d0 <= 249)
{
tempEndIndex = startIndex + d0;
}
else
{
int d1 = UnRandomize255State(this.Code[startIndex++], idx++);
tempEndIndex = startIndex + (d0 - 249) * 250 + d1;
}
if (tempEndIndex > endIndex)
{
throw new Exception("Error decoding scheme base 256");
}
while (startIndex < tempEndIndex)
{
PushOutputWord(UnRandomize255State(this.Code[startIndex++], idx++));
}
return startIndex;
}
internal static byte UnRandomize255State(byte value, int idx)
{
int pseudoRandom = ((149 * idx) % 255) + 1;
int tmp = value - pseudoRandom;
if (tmp < 0)
tmp += 256;
if (tmp < 0 || tmp >= 256)
{
throw new Exception("Error unrandomizing 255 state");
}
return (byte)tmp;
}
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);
}
#endregion
#region Properties
internal int PadCount { get; set; }
internal byte[] Array { get; set; }
internal byte[] Code { get; set; }
internal byte[] Output { get; set; }
internal int ArraySize
{
get
{
return this.Array.Length;
}
}
internal int CodeSize
{
get
{
return this.Code.Length;
}
}
internal int OutputSize
{
get
{
return this.Output.Length;
}
}
#endregion
}
}

56
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal struct DmtxTriplet
{
byte[] _value;
internal byte[] Value
{
get { return this._value ?? (this._value = new byte[3]); }
}
}
/**
* @struct DmtxQuadruplet
* @brief DmtxQuadruplet
*/
internal struct DmtxQuadruplet
{
byte[] _value;
internal byte[] Value
{
get { return this._value ?? (this._value = new byte[4]); }
}
}
}

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DataMatrix.net/DmtxPixelLoc.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
using System.Collections.Generic;
using System.Text;
namespace DataMatrix.net
{
internal struct DmtxPixelLoc
{
#region Properties
internal int X { get; set; }
internal int Y { get; set; }
#endregion
}
}

49
DataMatrix.net/DmtxPointFlow.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal class DmtxPointFlow
{
#region Properties
internal int Plane { get; set; }
internal int Arrive { get; set; }
internal int Depart { get; set; }
internal int Mag { get; set; }
internal DmtxPixelLoc Loc { get; set; }
#endregion
}
}

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DataMatrix.net/DmtxRay2.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal class DmtxRay2
{
#region Fields
DmtxVector2 _p;
DmtxVector2 _v;
#endregion
#region Properties
internal DmtxVector2 P
{
get { return this._p ?? (this._p = new DmtxVector2()); }
set
{
_p = value;
}
}
internal DmtxVector2 V
{
get { return this._v ?? (this._v = new DmtxVector2()); }
set
{
_v = value;
}
}
internal double TMin { get; set; }
internal double TMax { get; set; }
#endregion
}
}

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DataMatrix.net/DmtxRegion.cs Normal file
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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
namespace DataMatrix.net
{
internal class DmtxRegion
{
#region Constructors
internal DmtxRegion()
{
}
internal DmtxRegion(DmtxRegion src)
{
this.BottomAngle = src.BottomAngle;
this.BottomKnown = src.BottomKnown;
this.BottomLine = src.BottomLine;
this.BottomLoc = src.BottomLoc;
this.BoundMax = src.BoundMax;
this.BoundMin = src.BoundMin;
this.FinalNeg = src.FinalNeg;
this.FinalPos = src.FinalPos;
this.Fit2Raw = new DmtxMatrix3(src.Fit2Raw);
this.FlowBegin = src.FlowBegin;
this.JumpToNeg = src.JumpToNeg;
this.JumpToPos = src.JumpToPos;
this.LeftAngle = src.LeftAngle;
this.LeftKnown = src.LeftKnown;
this.LeftLine = src.LeftLine;
this.LeftLoc = src.LeftLoc;
this.LocR = src.LocR;
this.LocT = src.LocT;
this.MappingCols = src.MappingCols;
this.MappingRows = src.MappingRows;
this.OffColor = src.OffColor;
this.OnColor = src.OnColor;
this.Polarity = src.Polarity;
this.Raw2Fit = new DmtxMatrix3(src.Raw2Fit);
this.RightAngle = src.RightAngle;
this.RightKnown = src.RightKnown;
this.RightLoc = src.RightLoc;
this.SizeIdx = src.SizeIdx;
this.StepR = src.StepR;
this.StepsTotal = src.StepsTotal;
this.StepT = src.StepT;
this.SymbolCols = src.SymbolCols;
this.SymbolRows = src.SymbolRows;
this.TopAngle = src.TopAngle;
this.TopKnown = src.TopKnown;
this.TopLoc = src.TopLoc;
}
#endregion
#region Methods
#endregion
#region Properties
internal int JumpToPos { get; set; }
internal int JumpToNeg { get; set; }
internal int StepsTotal { get; set; }
internal DmtxPixelLoc FinalPos { get; set; }
internal DmtxPixelLoc FinalNeg { get; set; }
internal DmtxPixelLoc BoundMin { get; set; }
internal DmtxPixelLoc BoundMax { get; set; }
internal DmtxPointFlow FlowBegin { get; set; }
internal int Polarity { get; set; }
internal int StepR { get; set; }
internal int StepT { get; set; }
internal DmtxPixelLoc LocR { get; set; }
internal DmtxPixelLoc LocT { get; set; }
internal int LeftKnown { get; set; }
internal int LeftAngle { get; set; }
internal DmtxPixelLoc LeftLoc { get; set; }
internal DmtxBestLine LeftLine { get; set; }
internal int BottomKnown { get; set; }
internal int BottomAngle { get; set; }
internal DmtxPixelLoc BottomLoc { get; set; }
internal DmtxBestLine BottomLine { get; set; }
internal int TopKnown { get; set; }
internal int TopAngle { get; set; }
internal DmtxPixelLoc TopLoc { get; set; }
internal int RightKnown { get; set; }
internal int RightAngle { get; set; }
internal DmtxPixelLoc RightLoc { get; set; }
internal int OnColor { get; set; }
internal int OffColor { get; set; }
internal DmtxSymbolSize SizeIdx { get; set; }
internal int SymbolRows { get; set; }
internal int SymbolCols { get; set; }
internal int MappingRows { get; set; }
internal int MappingCols { get; set; }
internal DmtxMatrix3 Raw2Fit { get; set; }
internal DmtxMatrix3 Fit2Raw { get; set; }
#endregion
}
}

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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
namespace DataMatrix.net
{
internal struct DmtxScanGrid
{
#region Fields
int _minExtent;
int _maxExtent;
int _xOffset;
int _yOffset;
int _xMin;
int _xMax;
int _yMin;
int _yMax;
int _total;
int _extent;
int _jumpSize;
int _pixelTotal;
int _startPos;
int _pixelCount;
int _xCenter;
int _yCenter;
#endregion
#region Constructors
internal DmtxScanGrid(DmtxDecode dec)
{
int smallestFeature = dec.ScanGap;
this._xMin = dec.XMin;
this._xMax = dec.XMax;
this._yMin = dec.YMin;
this._yMax = dec.YMax;
/* Values that get set once */
int xExtent = this._xMax - this._xMin;
int yExtent = this._yMax - this._yMin;
int maxExtent = (xExtent > yExtent) ? xExtent : yExtent;
if (maxExtent < 1)
{
throw new ArgumentException("Invalid max extent for Scan Grid: Must be greater than 0");
}
int extent = 1;
this._minExtent = extent;
for (; extent < maxExtent; extent = ((extent + 1) * 2) - 1)
{
if (extent <= smallestFeature)
{
_minExtent = extent;
}
}
this._maxExtent = extent ;
this._xOffset = (this._xMin + this._xMax - this._maxExtent) / 2;
this._yOffset = (this._yMin + this._yMax - this._maxExtent) / 2;
/* Values that get reset for every level */
this._total = 1;
this._extent = this._maxExtent;
this._jumpSize = this._extent + 1;
this._pixelTotal = 2 * this._extent - 1;
this._startPos = this._extent / 2;
this._pixelCount = 0;
this._xCenter = this._yCenter = this._startPos;
SetDerivedFields();
}
#endregion
#region Methods
internal DmtxRange PopGridLocation(ref DmtxPixelLoc loc)
{
DmtxRange locStatus;
do
{
locStatus = GetGridCoordinates(ref loc);
/* Always leave grid pointing at next available location */
this._pixelCount++;
} while (locStatus == DmtxRange.DmtxRangeBad);
return locStatus;
}
private DmtxRange GetGridCoordinates(ref DmtxPixelLoc locRef)
{
/* Initially pixelCount may fall beyond acceptable limits. Update grid
* state before testing coordinates */
/* Jump to next cross pattern horizontally if current column is done */
if (this._pixelCount >= this._pixelTotal)
{
this._pixelCount = 0;
this._xCenter += this._jumpSize;
}
/* Jump to next cross pattern vertically if current row is done */
if (this._xCenter > this._maxExtent)
{
this._xCenter = this._startPos;
this._yCenter += this._jumpSize;
}
/* Increment level when vertical step goes too far */
if (this._yCenter > this._maxExtent)
{
this._total *= 4;
this._extent /= 2;
SetDerivedFields();
}
if (this._extent == 0 || this._extent < this._minExtent)
{
locRef.X = locRef.Y = -1;
return DmtxRange.DmtxRangeEnd;
}
int count = this._pixelCount;
if (count >= this._pixelTotal)
{
throw new Exception("Scangrid is beyong image limits!");
}
DmtxPixelLoc loc = new DmtxPixelLoc();
if (count == this._pixelTotal - 1)
{
/* center pixel */
loc.X = this._xCenter;
loc.Y = this._yCenter;
}
else
{
int half = this._pixelTotal / 2;
int quarter = half / 2;
/* horizontal portion */
if (count < half)
{
loc.X = this._xCenter + ((count < quarter) ? (count - quarter) : (half - count));
loc.Y = this._yCenter;
}
/* vertical portion */
else
{
count -= half;
loc.X = this._xCenter;
loc.Y = this._yCenter + ((count < quarter) ? (count - quarter) : (half - count));
}
}
loc.X += this._xOffset;
loc.Y += this._yOffset;
locRef.X = loc.X;
locRef.Y = loc.Y;
if (loc.X < this._xMin || loc.X > this._xMax ||
loc.Y < this._yMin || loc.Y > this._yMax)
{
return DmtxRange.DmtxRangeBad;
}
return DmtxRange.DmtxRangeGood;
}
/// <summary>
/// Update derived fields based on current state
/// </summary>
private void SetDerivedFields()
{
this._jumpSize = this._extent + 1;
this._pixelTotal = 2 * this._extent - 1;
this._startPos = this._extent / 2;
this._pixelCount = 0;
this._xCenter = this._yCenter = this._startPos;
}
#endregion
#region Properties
/// <summary>
/// Smallest cross size used in scan
/// </summary>
internal int MinExtent
{
get { return _minExtent; }
set { _minExtent = value; }
}
/// <summary>
/// Size of bounding grid region (2^N - 1)
/// </summary>
internal int MaxExtent
{
get { return _maxExtent; }
set { _maxExtent = value; }
}
/// <summary>
/// Offset to obtain image X coordinate
/// </summary>
internal int XOffset
{
get { return _xOffset; }
set { _xOffset = value; }
}
/// <summary>
/// Offset to obtain image Y coordinate
/// </summary>
internal int YOffset
{
get { return _yOffset; }
set { _yOffset = value; }
}
/// <summary>
/// Minimum X in image coordinate system
/// </summary>
internal int XMin
{
get { return _xMin; }
set { _xMin = value; }
}
/// <summary>
/// Maximum X in image coordinate system
/// </summary>
internal int XMax
{
get { return _xMax; }
set { _xMax = value; }
}
/// <summary>
/// Minimum Y in image coordinate system
/// </summary>
internal int YMin
{
get { return _yMin; }
set { _yMin = value; }
}
/// <summary>
/// Maximum Y in image coordinate system
/// </summary>
internal int YMax
{
get { return _yMax; }
set { _yMax = value; }
}
/// <summary>
/// Total number of crosses at this size
/// </summary>
internal int Total
{
get { return _total; }
set { _total = value; }
}
/// <summary>
/// Length/width of cross in pixels
/// </summary>
internal int Extent
{
get { return _extent; }
set { _extent = value; }
}
/// <summary>
/// Distance in pixels between cross centers
/// </summary>
internal int JumpSize
{
get { return _jumpSize; }
set { _jumpSize = value; }
}
/// <summary>
/// Total pixel count within an individual cross path
/// </summary>
internal int PixelTotal
{
get { return _pixelTotal; }
set { _pixelTotal = value; }
}
/// <summary>
/// X and Y coordinate of first cross center in pattern
/// </summary>
internal int StartPos
{
get { return _startPos; }
set { _startPos = value; }
}
/// <summary>
/// Progress (pixel count) within current cross pattern
/// </summary>
internal int PixelCount
{
get { return _pixelCount; }
set { _pixelCount = value; }
}
/// <summary>
/// X center of current cross pattern
/// </summary>
internal int XCenter
{
get { return _xCenter; }
set { _xCenter = value; }
}
/// <summary>
/// Y center of current cross pattern
/// </summary>
internal int YCenter
{
get { return _yCenter; }
set { _yCenter = value; }
}
#endregion
}
}

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/*
DataMatrix.Net
DataMatrix.Net - .net library for decoding DataMatrix codes.
Copyright (C) 2009/2010 Michael Faschinger
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
You can also redistribute and/or modify it under the terms of the
GNU Lesser General Public License as published by the Free Software
Foundation; either version 3.0 of the License or (at your option)
any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License or the GNU Lesser General Public License
for more details.
You should have received a copy of the GNU General Public
License and the GNU Lesser General Public License along with this
library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Contact: Michael Faschinger - michfasch@gmx.at
*/
using System;
namespace DataMatrix.net
{
internal class DmtxVector2
{
#region Constructors
internal DmtxVector2()
{
this.X = 0.0;
this.Y = 0.0;
}
internal DmtxVector2(double x, double y)
{
this.X = x;
this.Y = y;
}
#endregion
#region Operators
public static DmtxVector2 operator +(DmtxVector2 v1, DmtxVector2 v2)
{
DmtxVector2 result = new DmtxVector2(v1.X, v1.Y);
result.X += v2.X;
result.Y += v2.Y;
return result;
}
public static DmtxVector2 operator -(DmtxVector2 v1, DmtxVector2 v2)
{
DmtxVector2 result = new DmtxVector2(v1.X, v1.Y);
result.X -= v2.X;
result.Y -= v2.Y;
return result;
}
public static DmtxVector2 operator *(DmtxVector2 v1, double factor)
{
return new DmtxVector2(v1.X * factor, v1.Y * factor);
}
#endregion
#region Methods
internal double Cross(DmtxVector2 v2)
{
return (this.X * v2.Y - this.Y * v2.X);
}
internal double Norm()
{
double mag = Mag();
if (mag <= DmtxConstants.DmtxAlmostZero)
{
return -1.0; // FIXXXME: This doesn't look clean, as noted in original dmtx source
}
this.X /= mag;
this.Y /= mag;
return mag;
}
internal double Dot(DmtxVector2 v2)
{
return Math.Sqrt(this.X * v2.X + this.Y * v2.Y);
}
internal double Mag()
{
return Math.Sqrt(this.X * this.X + this.Y * this.Y);
}
internal double DistanceFromRay2(DmtxRay2 ray)
{
if (Math.Abs(1.0 - ray.V.Mag()) > DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("DistanceFromRay2: The ray's V vector must be a unit vector");
}
return ray.V.Cross(this - ray.P);
}
internal double DistanceAlongRay2(DmtxRay2 ray)
{
if (Math.Abs(1.0 - ray.V.Mag()) > DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("DistanceAlongRay2: The ray's V vector must be a unit vector");
}
return (this - ray.P).Dot(ray.V);
}
internal bool Intersect(DmtxRay2 p0, DmtxRay2 p1)
{
double denominator = p1.V.Cross(p0.V);
if (Math.Abs(denominator) < DmtxConstants.DmtxAlmostZero)
{
return false;
}
double numerator = p1.V.Cross(p1.P - p0.P);
return PointAlongRay2(p0, numerator / denominator);
}
internal bool PointAlongRay2(DmtxRay2 ray, double t)
{
if (Math.Abs(1.0 - ray.V.Mag()) > DmtxConstants.DmtxAlmostZero)
{
throw new ArgumentException("PointAlongRay: The ray's V vector must be a unit vector");
}
DmtxVector2 tmp = new DmtxVector2(ray.V.X * t, ray.V.Y * t);
this.X = ray.P.X + tmp.X;
this.Y = ray.P.Y + tmp.Y;
return true;
}
#endregion
#region Properties
internal double X { get; set; }
internal double Y { get; set; }
#endregion
}
}

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using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
// Allgemeine Informationen über eine Assembly werden über die folgenden
// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
// die einer Assembly zugeordnet sind.
[assembly: AssemblyTitle("DataMatrix.net")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("HP Inc.")]
[assembly: AssemblyProduct("DataMatrix.net")]
[assembly: AssemblyCopyright("Copyright © HP Inc. 2026")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
// für COM-Komponenten unsichtbar. Wenn Sie auf einen Typ in dieser Assembly von
// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
[assembly: ComVisible(false)]
// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
[assembly: Guid("593309a7-cd71-49cd-8fcb-b4f7be1bffdb")]
// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
//
// Hauptversion
// Nebenversion
// Buildnummer
// Revision
//
// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
// indem Sie "*" wie unten gezeigt eingeben:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]

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// <autogenerated />
using System;
using System.Reflection;
[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.8", FrameworkDisplayName = ".NET Framework 4.8")]

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