internal static int[] getAngle(Point[] centers)
        {
            Line[] array = new Line[3];
            for (int i = 0; i < array.Length; i++)
            {
                array[i] = new Line(centers[i], centers[(i + 1) % array.Length]);
            }
            Line  longest = Line.getLongest(array);
            Point point   = new Point();

            for (int i = 0; i < centers.Length; i++)
            {
                if (!longest.getP1().equals(centers[i]) && !longest.getP2().equals(centers[i]))
                {
                    point = centers[i];
                    break;
                }
            }
            canvas.println("originPoint is: " + point);
            Point point2 = new Point();

            point2 = (((point.Y <= longest.getP1().Y) & (point.Y <= longest.getP2().Y)) ? ((longest.getP1().X >= longest.getP2().X) ? longest.getP1() : longest.getP2()) : (((point.X >= longest.getP1().X) & (point.X >= longest.getP2().X)) ? ((longest.getP1().Y >= longest.getP2().Y) ? longest.getP1() : longest.getP2()) : (((point.Y >= longest.getP1().Y) & (point.Y >= longest.getP2().Y)) ? ((longest.getP1().X >= longest.getP2().X) ? longest.getP2() : longest.getP1()) : ((longest.getP1().Y >= longest.getP2().Y) ? longest.getP2() : longest.getP1()))));
            int length = new Line(point, point2).Length;

            return(new int[2]
            {
                (point2.Y - point.Y << QRCodeImageReader.DECIMAL_POINT) / length,
                (point2.X - point.X << QRCodeImageReader.DECIMAL_POINT) / length
            });
        }
        internal static int calcExactVersion(Point[] centers, int[] angle, int[] moduleSize, bool[][] image)
        {
            Point point;
            int   num2;

            bool[]  target = new bool[0x12];
            Point[] points = new Point[0x12];
            Axis    axis   = new Axis(angle, moduleSize[1])
            {
                Origin = centers[1]
            };
            int num = 0;

            while (num < 6)
            {
                for (num2 = 0; num2 < 3; num2++)
                {
                    point = axis.translate((int)(num2 - 7), (int)(num - 3));
                    target[num2 + (num * 3)] = image[point.X][point.Y];
                    points[num2 + (num * 3)] = point;
                }
                num++;
            }
            canvas.drawPoints(points, Color_Fields.RED);
            int num3 = 0;

            try
            {
                num3 = checkVersionInfo(target);
            }
            catch (InvalidVersionInfoException)
            {
                canvas.println("Version info error. now retry with other place one.");
                axis.Origin      = centers[2];
                axis.ModulePitch = moduleSize[2];
                for (num2 = 0; num2 < 6; num2++)
                {
                    for (num = 0; num < 3; num++)
                    {
                        point = axis.translate((int)(num2 - 3), (int)(num - 7));
                        target[num + (num2 * 3)] = image[point.X][point.Y];
                        points[num2 + (num * 3)] = point;
                    }
                }
                canvas.drawPoints(points, Color_Fields.RED);
                try
                {
                    num3 = checkVersionInfo(target);
                }
                catch (VersionInformationException exception2)
                {
                    throw exception2;
                }
            }
            return(num3);
        }
Exemple #3
0
 public virtual sbyte[] get8bitByteArray(int dataLength)
 {
     int num = dataLength;
     int num2 = 0;
     MemoryStream memoryStream = new MemoryStream();
     do
     {
         canvas.println("Length: " + num);
         num2 = getNextBits(8);
         memoryStream.WriteByte((byte)num2);
         num--;
     }
     while (num > 0);
     return SystemUtils.ToSByteArray(memoryStream.ToArray());
 }
Exemple #4
0
        public virtual sbyte[] get8bitByteArray(int dataLength)
        {
            int          length  = dataLength;
            int          intData = 0;
            MemoryStream output  = new MemoryStream();

            do
            {
                canvas.println("Length: " + length);
                intData = getNextBits(8);
                output.WriteByte((byte)intData);
                length--;
            }while (length > 0);
            return(SystemUtils.ToSByteArray(output.ToArray()));
        }
Exemple #5
0
        public virtual sbyte[] decodeBytes(QRCodeImage qrCodeImage)
        {
            Point[] adjusts = AdjustPoints;
            System.Collections.ArrayList results = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
            while (numTryDecode < adjusts.Length)
            {
                try
                {
                    DecodeResult result = decode(qrCodeImage, adjusts[numTryDecode]);
                    if (result.CorrectionSucceeded)
                    {
                        return(result.DecodedBytes);
                    }
                    else
                    {
                        results.Add(result);
                        canvas.println("Decoding succeeded but could not correct");
                        canvas.println("all errors. Retrying..");
                    }
                }
                catch (DecodingFailedException dfe)
                {
                    if (dfe.Message.IndexOf("Finder Pattern") >= 0)
                    {
                        throw dfe;
                    }
                }
                finally
                {
                    numTryDecode += 1;
                }
            }

            if (results.Count == 0)
            {
                throw new DecodingFailedException("Give up decoding");
            }

            int lowestErrorIndex = -1;
            int lowestError      = System.Int32.MaxValue;

            for (int i = 0; i < results.Count; i++)
            {
                DecodeResult result = (DecodeResult)results[i];
                if (result.NumErrors < lowestError)
                {
                    lowestError      = result.NumErrors;
                    lowestErrorIndex = i;
                }
            }
            canvas.println("All trials need for correct error");
            canvas.println("Reporting #" + (lowestErrorIndex) + " that,");
            canvas.println("corrected minimum errors (" + lowestError + ")");

            canvas.println("Decoding finished.");
            return(((DecodeResult)results[lowestErrorIndex]).DecodedBytes);
        }
        public virtual QRCodeSymbol getQRCodeSymbol(int[][] image)
        {
            int longSide = (image.Length < image[0].Length)?image[0].Length:image.Length;

            QRCodeImageReader.DECIMAL_POINT = 23 - QRCodeUtility.sqrt(longSide / 256);
            bitmap = filterImage(image);
            canvas.println("Drawing matrix.");
            canvas.drawMatrix(bitmap);

            canvas.println("Scanning Finder Pattern.");
            FinderPattern finderPattern = null;

            try
            {
                finderPattern = FinderPattern.findFinderPattern(bitmap);
            }
            catch (FinderPatternNotFoundException)
            {
                canvas.println("Not found, now retrying...");
                bitmap = applyCrossMaskingMedianFilter(bitmap, 5);
                canvas.drawMatrix(bitmap);
                for (int i = 0; i < 1000000000; i++)
                {
                    ;
                }
                try
                {
                    finderPattern = FinderPattern.findFinderPattern(bitmap);
                }
                catch (FinderPatternNotFoundException e2)
                {
                    throw new SymbolNotFoundException(e2.Message);
                }
                catch (VersionInformationException e2)
                {
                    throw new SymbolNotFoundException(e2.Message);
                }
            }
            catch (VersionInformationException e)
            {
                throw new SymbolNotFoundException(e.Message);
            }


            canvas.println("FinderPattern at");
            String finderPatternCoordinates = finderPattern.getCenter(FinderPattern.UL).ToString() + finderPattern.getCenter(FinderPattern.UR).ToString() + finderPattern.getCenter(FinderPattern.DL).ToString();

            canvas.println(finderPatternCoordinates);
            int[] sincos = finderPattern.getAngle();
            canvas.println("Angle*4098: Sin " + System.Convert.ToString(sincos[0]) + "  " + "Cos " + System.Convert.ToString(sincos[1]));

            int version = finderPattern.Version;

            canvas.println("Version: " + System.Convert.ToString(version));
            if (version < 1 || version > 40)
            {
                throw new InvalidVersionException("Invalid version: " + version);
            }

            AlignmentPattern alignmentPattern = null;

            try
            {
                alignmentPattern = AlignmentPattern.findAlignmentPattern(bitmap, finderPattern);
            }
            catch (AlignmentPatternNotFoundException e)
            {
                throw new SymbolNotFoundException(e.Message);
            }

            int matrixLength = alignmentPattern.getCenter().Length;

            canvas.println("AlignmentPatterns at");
            for (int y = 0; y < matrixLength; y++)
            {
                String alignmentPatternCoordinates = "";
                for (int x = 0; x < matrixLength; x++)
                {
                    alignmentPatternCoordinates += alignmentPattern.getCenter()[x][y].ToString();
                }
                canvas.println(alignmentPatternCoordinates);
            }
            //for(int i = 0; i < 500000; i++) Console.out.println("");

            canvas.println("Creating sampling grid.");
            //[TODO] need all-purpose method
            //samplingGrid = getSamplingGrid2_6(finderPattern, alignmentPattern);
            samplingGrid = getSamplingGrid(finderPattern, alignmentPattern);
            canvas.println("Reading grid.");
            bool[][] qRCodeMatrix = null;
            try
            {
                qRCodeMatrix = getQRCodeMatrix(bitmap, samplingGrid);
            }
            catch (System.IndexOutOfRangeException)
            {
                throw new SymbolNotFoundException("Sampling grid exceeded image boundary");
            }
            //canvas.drawMatrix(qRCodeMatrix);
            return(new QRCodeSymbol(qRCodeMatrix));
        }
        internal static Point[][] getCenter(bool[][] image, FinderPattern finderPattern, Point[][] logicalCenters)
        {
            int  modulePitch = finderPattern.getModuleSize();
            Axis axis        = new Axis(finderPattern.getAngle(), modulePitch);
            int  length      = logicalCenters.Length;

            Point[][] pointArray = new Point[length][];
            for (int i = 0; i < length; i++)
            {
                pointArray[i] = new Point[length];
            }
            axis.Origin      = finderPattern.getCenter(0);
            pointArray[0][0] = axis.translate(3, 3);
            canvas.drawCross(pointArray[0][0], Color_Fields.BLUE);
            axis.Origin = finderPattern.getCenter(1);
            pointArray[length - 1][0] = axis.translate(-3, 3);
            canvas.drawCross(pointArray[length - 1][0], Color_Fields.BLUE);
            axis.Origin = finderPattern.getCenter(2);
            pointArray[0][length - 1] = axis.translate(3, -3);
            canvas.drawCross(pointArray[0][length - 1], Color_Fields.BLUE);
            Point point = pointArray[0][0];

            for (int j = 0; j < length; j++)
            {
                for (int k = 0; k < length; k++)
                {
                    if ((((k != 0) || (j != 0)) && ((k != 0) || (j != (length - 1)))) && ((k != (length - 1)) || (j != 0)))
                    {
                        Point point2 = null;
                        if (j == 0)
                        {
                            if ((k > 0) && (k < (length - 1)))
                            {
                                point2 = axis.translate(pointArray[k - 1][j], logicalCenters[k][j].X - logicalCenters[k - 1][j].X, 0);
                            }
                            pointArray[k][j] = new Point(point2.X, point2.Y);
                            canvas.drawCross(pointArray[k][j], Color_Fields.RED);
                        }
                        else if (k == 0)
                        {
                            if ((j > 0) && (j < (length - 1)))
                            {
                                point2 = axis.translate(pointArray[k][j - 1], 0, logicalCenters[k][j].Y - logicalCenters[k][j - 1].Y);
                            }
                            pointArray[k][j] = new Point(point2.X, point2.Y);
                            canvas.drawCross(pointArray[k][j], Color_Fields.RED);
                        }
                        else
                        {
                            Point point3 = axis.translate(pointArray[k - 1][j], logicalCenters[k][j].X - logicalCenters[k - 1][j].X, 0);
                            Point point4 = axis.translate(pointArray[k][j - 1], 0, logicalCenters[k][j].Y - logicalCenters[k][j - 1].Y);
                            pointArray[k][j] = new Point((point3.X + point4.X) / 2, ((point3.Y + point4.Y) / 2) + 1);
                        }
                        if (finderPattern.Version > 1)
                        {
                            Point other = getPrecisionCenter(image, pointArray[k][j]);
                            if (pointArray[k][j].distanceOf(other) < 6)
                            {
                                canvas.drawCross(pointArray[k][j], Color_Fields.RED);
                                int num6 = other.X - pointArray[k][j].X;
                                int num7 = other.Y - pointArray[k][j].Y;
                                canvas.println(string.Concat(new object[] { "Adjust AP(", k, ",", j, ") to d(", num6, ",", num7, ")" }));
                                pointArray[k][j] = other;
                            }
                        }
                        canvas.drawCross(pointArray[k][j], Color_Fields.BLUE);
                        canvas.drawLine(new Line(point, pointArray[k][j]), Color_Fields.LIGHTBLUE);
                        point = pointArray[k][j];
                    }
                }
            }
            return(pointArray);
        }
        internal static Point[][] getCenter(bool[][] image, FinderPattern finderPattern, Point[][] logicalCenters)
        {
            int moduleSize = finderPattern.getModuleSize();

            Axis axis        = new Axis(finderPattern.getAngle(), moduleSize);
            int  sqrtCenters = logicalCenters.Length;

            Point[][] centers = new Point[sqrtCenters][];
            for (int i = 0; i < sqrtCenters; i++)
            {
                centers[i] = new Point[sqrtCenters];
            }

            axis.Origin   = finderPattern.getCenter(FinderPattern.UL);
            centers[0][0] = axis.translate(3, 3);
            canvas.drawCross(centers[0][0], QRStudio.Engine.Codec.Util.Color_Fields.BLUE);

            axis.Origin = finderPattern.getCenter(FinderPattern.UR);
            centers[sqrtCenters - 1][0] = axis.translate(-3, 3);
            canvas.drawCross(centers[sqrtCenters - 1][0], QRStudio.Engine.Codec.Util.Color_Fields.BLUE);

            axis.Origin = finderPattern.getCenter(FinderPattern.DL);
            centers[0][sqrtCenters - 1] = axis.translate(3, -3);
            canvas.drawCross(centers[0][sqrtCenters - 1], QRStudio.Engine.Codec.Util.Color_Fields.BLUE);

            Point tmpPoint = centers[0][0];

            for (int y = 0; y < sqrtCenters; y++)
            {
                for (int x = 0; x < sqrtCenters; x++)
                {
                    if ((x == 0 && y == 0) || (x == 0 && y == sqrtCenters - 1) || (x == sqrtCenters - 1 && y == 0))
                    {
                        continue;
                    }
                    Point target = null;
                    if (y == 0)
                    {
                        if (x > 0 && x < sqrtCenters - 1)
                        {
                            target = axis.translate(centers[x - 1][y], logicalCenters[x][y].X - logicalCenters[x - 1][y].X, 0);
                        }
                        centers[x][y] = new Point(target.X, target.Y);
                        canvas.drawCross(centers[x][y], QRStudio.Engine.Codec.Util.Color_Fields.RED);
                    }
                    else if (x == 0)
                    {
                        if (y > 0 && y < sqrtCenters - 1)
                        {
                            target = axis.translate(centers[x][y - 1], 0, logicalCenters[x][y].Y - logicalCenters[x][y - 1].Y);
                        }
                        centers[x][y] = new Point(target.X, target.Y);
                        canvas.drawCross(centers[x][y], QRStudio.Engine.Codec.Util.Color_Fields.RED);
                    }
                    else
                    {
                        Point t1 = axis.translate(centers[x - 1][y], logicalCenters[x][y].X - logicalCenters[x - 1][y].X, 0);
                        Point t2 = axis.translate(centers[x][y - 1], 0, logicalCenters[x][y].Y - logicalCenters[x][y - 1].Y);
                        centers[x][y] = new Point((t1.X + t2.X) / 2, (t1.Y + t2.Y) / 2 + 1);
                    }
                    if (finderPattern.Version > 1)
                    {
                        Point precisionCenter = getPrecisionCenter(image, centers[x][y]);

                        if (centers[x][y].distanceOf(precisionCenter) < 6)
                        {
                            canvas.drawCross(centers[x][y], QRStudio.Engine.Codec.Util.Color_Fields.RED);
                            int dx = precisionCenter.X - centers[x][y].X;
                            int dy = precisionCenter.Y - centers[x][y].Y;
                            canvas.println("Adjust AP(" + x + "," + y + ") to d(" + dx + "," + dy + ")");

                            centers[x][y] = precisionCenter;
                        }
                    }
                    canvas.drawCross(centers[x][y], QRStudio.Engine.Codec.Util.Color_Fields.BLUE);
                    canvas.drawLine(new Line(tmpPoint, centers[x][y]), QRStudio.Engine.Codec.Util.Color_Fields.LIGHTBLUE);
                    tmpPoint = centers[x][y];
                }
            }
            return(centers);
        }
Exemple #9
0
        internal static int[] getAngle(Point[] centers)
        {
            Line[] additionalLine = new Line[3];

            for (int i = 0; i < additionalLine.Length; i++)
            {
                additionalLine[i] = new Line(centers[i], centers[(i + 1) % additionalLine.Length]);
            }
            Line  remoteLine  = Line.getLongest(additionalLine);
            Point originPoint = new Point();

            for (int i = 0; i < centers.Length; i++)
            {
                if (!remoteLine.getP1().equals(centers[i]) && !remoteLine.getP2().equals(centers[i]))
                {
                    originPoint = centers[i];
                    break;
                }
            }
            canvas.println("originPoint is: " + originPoint);
            Point remotePoint = new Point();

            if (originPoint.Y <= remoteLine.getP1().Y & originPoint.Y <= remoteLine.getP2().Y)
            {
                if (remoteLine.getP1().X < remoteLine.getP2().X)
                {
                    remotePoint = remoteLine.getP2();
                }
                else
                {
                    remotePoint = remoteLine.getP1();
                }
            }
            else if (originPoint.X >= remoteLine.getP1().X & originPoint.X >= remoteLine.getP2().X)
            {
                if (remoteLine.getP1().Y < remoteLine.getP2().Y)
                {
                    remotePoint = remoteLine.getP2();
                }
                else
                {
                    remotePoint = remoteLine.getP1();
                }
            }
            else if (originPoint.Y >= remoteLine.getP1().Y & originPoint.Y >= remoteLine.getP2().Y)
            {
                if (remoteLine.getP1().X < remoteLine.getP2().X)
                {
                    remotePoint = remoteLine.getP1();
                }
                else
                {
                    remotePoint = remoteLine.getP2();
                }
            }
            else if (remoteLine.getP1().Y < remoteLine.getP2().Y)
            {
                remotePoint = remoteLine.getP1();
            }
            else
            {
                remotePoint = remoteLine.getP2();
            }

            int r = new Line(originPoint, remotePoint).Length;

            int[] angle = new int[2];
            angle[0] = ((remotePoint.Y - originPoint.Y) << QRCodeImageReader.DECIMAL_POINT) / r;
            angle[1] = ((remotePoint.X - originPoint.X) << (QRCodeImageReader.DECIMAL_POINT)) / r;

            return(angle);
        }
Exemple #10
0
        public virtual sbyte[] decodeBytes(QRCodeImage qrCodeImage)
        {
            Point[]   adjustPoints = AdjustPoints;
            ArrayList arrayList    = ArrayList.Synchronized(new ArrayList(10));

            while (numTryDecode < adjustPoints.Length)
            {
                try
                {
                    DecodeResult decodeResult = decode(qrCodeImage, adjustPoints[numTryDecode]);
                    if (decodeResult.CorrectionSucceeded)
                    {
                        return(decodeResult.DecodedBytes);
                    }
                    arrayList.Add(decodeResult);
                    canvas.println("Decoding succeeded but could not correct");
                    canvas.println("all errors. Retrying..");
                }
                catch (DecodingFailedException ex)
                {
                    if (ex.Message.IndexOf("Finder Pattern") >= 0)
                    {
                        throw ex;
                    }
                }
                finally
                {
                    numTryDecode++;
                }
            }
            if (arrayList.Count == 0)
            {
                throw new DecodingFailedException("Give up decoding");
            }
            int num  = -1;
            int num2 = int.MaxValue;

            for (int i = 0; i < arrayList.Count; i++)
            {
                DecodeResult decodeResult = (DecodeResult)arrayList[i];
                if (decodeResult.NumErrors < num2)
                {
                    num2 = decodeResult.NumErrors;
                    num  = i;
                }
            }
            canvas.println("All trials need for correct error");
            canvas.println("Reporting #" + num + " that,");
            canvas.println("corrected minimum errors (" + num2 + ")");
            canvas.println("Decoding finished.");
            return(((DecodeResult)arrayList[num]).DecodedBytes);
        }
Exemple #11
0
        internal virtual int[] correctDataBlocks(int[] blocks)
        {
            ReedSolomon solomon;
            int         num8;
            int         num9;
            int         num10;
            int         num          = 0;
            int         dataCapacity = this.qrCodeSymbol.DataCapacity;

            int[] numArray = new int[dataCapacity];
            int   numErrorCollectionCode = this.qrCodeSymbol.NumErrorCollectionCode;
            int   numRSBlocks            = this.qrCodeSymbol.NumRSBlocks;
            int   nPAR = numErrorCollectionCode / numRSBlocks;

            if (numRSBlocks == 1)
            {
                solomon = new ReedSolomon(blocks, nPAR);
                solomon.correct();
                num += solomon.NumCorrectedErrors;
                if (num > 0)
                {
                    canvas.println(Convert.ToString(num) + " data errors corrected.");
                }
                else
                {
                    canvas.println("No errors found.");
                }
                this.numLastCorrections  = num;
                this.correctionSucceeded = solomon.CorrectionSucceeded;
                return(blocks);
            }
            int num6 = dataCapacity % numRSBlocks;

            if (num6 == 0)
            {
                int     num7      = dataCapacity / numRSBlocks;
                int[][] numArray2 = new int[numRSBlocks][];
                for (num8 = 0; num8 < numRSBlocks; num8++)
                {
                    numArray2[num8] = new int[num7];
                }
                int[][] numArray3 = numArray2;
                for (num8 = 0; num8 < numRSBlocks; num8++)
                {
                    num9 = 0;
                    while (num9 < num7)
                    {
                        numArray3[num8][num9] = blocks[(num9 * numRSBlocks) + num8];
                        num9++;
                    }
                    solomon = new ReedSolomon(numArray3[num8], nPAR);
                    solomon.correct();
                    num += solomon.NumCorrectedErrors;
                    this.correctionSucceeded = solomon.CorrectionSucceeded;
                }
                num10 = 0;
                for (num8 = 0; num8 < numRSBlocks; num8++)
                {
                    num9 = 0;
                    while (num9 < (num7 - nPAR))
                    {
                        numArray[num10++] = numArray3[num8][num9];
                        num9++;
                    }
                }
            }
            else
            {
                int     num11     = dataCapacity / numRSBlocks;
                int     num12     = (dataCapacity / numRSBlocks) + 1;
                int     num13     = numRSBlocks - num6;
                int[][] numArray4 = new int[num13][];
                for (int i = 0; i < num13; i++)
                {
                    numArray4[i] = new int[num11];
                }
                int[][] numArray5 = numArray4;
                int[][] numArray6 = new int[num6][];
                for (int j = 0; j < num6; j++)
                {
                    numArray6[j] = new int[num12];
                }
                int[][] numArray7 = numArray6;
                for (num8 = 0; num8 < numRSBlocks; num8++)
                {
                    int num16;
                    if (num8 < num13)
                    {
                        num16 = 0;
                        num9  = 0;
                        while (num9 < num11)
                        {
                            if (num9 == (num11 - nPAR))
                            {
                                num16 = num6;
                            }
                            numArray5[num8][num9] = blocks[((num9 * numRSBlocks) + num8) + num16];
                            num9++;
                        }
                        solomon = new ReedSolomon(numArray5[num8], nPAR);
                        solomon.correct();
                        num += solomon.NumCorrectedErrors;
                        this.correctionSucceeded = solomon.CorrectionSucceeded;
                    }
                    else
                    {
                        num16 = 0;
                        num9  = 0;
                        while (num9 < num12)
                        {
                            if (num9 == (num11 - nPAR))
                            {
                                num16 = num13;
                            }
                            numArray7[num8 - num13][num9] = blocks[((num9 * numRSBlocks) + num8) - num16];
                            num9++;
                        }
                        solomon = new ReedSolomon(numArray7[num8 - num13], nPAR);
                        solomon.correct();
                        num += solomon.NumCorrectedErrors;
                        this.correctionSucceeded = solomon.CorrectionSucceeded;
                    }
                }
                num10 = 0;
                for (num8 = 0; num8 < numRSBlocks; num8++)
                {
                    if (num8 < num13)
                    {
                        num9 = 0;
                        while (num9 < (num11 - nPAR))
                        {
                            numArray[num10++] = numArray5[num8][num9];
                            num9++;
                        }
                    }
                    else
                    {
                        for (num9 = 0; num9 < (num12 - nPAR); num9++)
                        {
                            numArray[num10++] = numArray7[num8 - num13][num9];
                        }
                    }
                }
            }
            if (num > 0)
            {
                canvas.println(Convert.ToString(num) + " data errors corrected.");
            }
            else
            {
                canvas.println("No errors found.");
            }
            this.numLastCorrections = num;
            return(numArray);
        }
        internal static Point[][] getCenter(bool[][] image, FinderPattern finderPattern, Point[][] logicalCenters)
        {
            int  moduleSize = finderPattern.getModuleSize();
            Axis axis       = new Axis(finderPattern.getAngle(), moduleSize);
            int  num        = logicalCenters.Length;

            Point[][] array = new Point[num][];
            for (int i = 0; i < num; i++)
            {
                array[i] = new Point[num];
            }
            axis.Origin = finderPattern.getCenter(0);
            array[0][0] = axis.translate(3, 3);
            canvas.drawCross(array[0][0], Color_Fields.BLUE);
            axis.Origin       = finderPattern.getCenter(1);
            array[num - 1][0] = axis.translate(-3, 3);
            canvas.drawCross(array[num - 1][0], Color_Fields.BLUE);
            axis.Origin       = finderPattern.getCenter(2);
            array[0][num - 1] = axis.translate(3, -3);
            canvas.drawCross(array[0][num - 1], Color_Fields.BLUE);
            Point p = array[0][0];

            for (int j = 0; j < num; j++)
            {
                for (int k = 0; k < num; k++)
                {
                    if ((k == 0 && j == 0) || (k == 0 && j == num - 1) || (k == num - 1 && j == 0))
                    {
                        continue;
                    }
                    Point point = null;
                    if (j == 0)
                    {
                        if (k > 0 && k < num - 1)
                        {
                            point = axis.translate(array[k - 1][j], logicalCenters[k][j].X - logicalCenters[k - 1][j].X, 0);
                        }
                        array[k][j] = new Point(point.X, point.Y);
                        canvas.drawCross(array[k][j], Color_Fields.RED);
                    }
                    else if (k == 0)
                    {
                        if (j > 0 && j < num - 1)
                        {
                            point = axis.translate(array[k][j - 1], 0, logicalCenters[k][j].Y - logicalCenters[k][j - 1].Y);
                        }
                        array[k][j] = new Point(point.X, point.Y);
                        canvas.drawCross(array[k][j], Color_Fields.RED);
                    }
                    else
                    {
                        Point point2 = axis.translate(array[k - 1][j], logicalCenters[k][j].X - logicalCenters[k - 1][j].X, 0);
                        Point point3 = axis.translate(array[k][j - 1], 0, logicalCenters[k][j].Y - logicalCenters[k][j - 1].Y);
                        array[k][j] = new Point((point2.X + point3.X) / 2, (point2.Y + point3.Y) / 2 + 1);
                    }
                    if (finderPattern.Version > 1)
                    {
                        Point precisionCenter = getPrecisionCenter(image, array[k][j]);
                        if (array[k][j].distanceOf(precisionCenter) < 6)
                        {
                            canvas.drawCross(array[k][j], Color_Fields.RED);
                            int num2 = precisionCenter.X - array[k][j].X;
                            int num3 = precisionCenter.Y - array[k][j].Y;
                            canvas.println("Adjust AP(" + k + "," + j + ") to d(" + num2 + "," + num3 + ")");
                            array[k][j] = precisionCenter;
                        }
                    }
                    canvas.drawCross(array[k][j], Color_Fields.BLUE);
                    canvas.drawLine(new Line(p, array[k][j]), Color_Fields.LIGHTBLUE);
                    p = array[k][j];
                }
            }
            return(array);
        }
Exemple #13
0
        //obtain slope of symbol
        internal static int[] getAngle(Point[] centers)
        {
            Line[] additionalLine = new Line[3];

            for (int i = 0; i < additionalLine.Length; i++)
            {
                additionalLine[i] = new Line(centers[i], centers[(i + 1) % additionalLine.Length]);
            }
            // remoteLine - does not contain UL center
            Line  remoteLine  = Line.getLongest(additionalLine);
            Point originPoint = new Point();

            for (int i = 0; i < centers.Length; i++)
            {
                if (!remoteLine.getP1().equals(centers[i]) && !remoteLine.getP2().equals(centers[i]))
                {
                    originPoint = centers[i];
                    break;
                }
            }
            canvas.println("originPoint is: " + originPoint);
            Point remotePoint = new Point();

            //with origin that the center of Left-Up Finder Pattern, determine other two patterns center.
            //then calculate symbols angle
            if (originPoint.Y <= remoteLine.getP1().Y & originPoint.Y <= remoteLine.getP2().Y)
            {
                if (remoteLine.getP1().X < remoteLine.getP2().X)
                {
                    remotePoint = remoteLine.getP2();
                }
                else
                {
                    remotePoint = remoteLine.getP1();
                }
            }
            else if (originPoint.X >= remoteLine.getP1().X & originPoint.X >= remoteLine.getP2().X)
            {
                if (remoteLine.getP1().Y < remoteLine.getP2().Y)
                {
                    remotePoint = remoteLine.getP2();
                }
                else
                {
                    remotePoint = remoteLine.getP1();
                }
            }
            else if (originPoint.Y >= remoteLine.getP1().Y & originPoint.Y >= remoteLine.getP2().Y)
            {
                if (remoteLine.getP1().X < remoteLine.getP2().X)
                {
                    remotePoint = remoteLine.getP1();
                }
                else
                {
                    remotePoint = remoteLine.getP2();
                }
            }
            //1st or 4th quadrant
            else if (remoteLine.getP1().Y < remoteLine.getP2().Y)
            {
                remotePoint = remoteLine.getP1();
            }
            else
            {
                remotePoint = remoteLine.getP2();
            }

            int r = new Line(originPoint, remotePoint).Length;

            //canvas.println(Integer.toString(((remotePoint.getX() - originPoint.getX()) << QRCodeImageReader.DECIMAL_POINT)));
            int[] angle = new int[2];
            angle[0] = ((remotePoint.Y - originPoint.Y) << QRCodeImageReader.DECIMAL_POINT) / r;             //Sin
            angle[1] = ((remotePoint.X - originPoint.X) << (QRCodeImageReader.DECIMAL_POINT)) / r;           //Cos

            return(angle);
        }
        public virtual QRCodeSymbol getQRCodeSymbol(int[][] image)
        {
            int num = ((image.Length < image[0].Length) ? image[0].Length : image.Length);

            DECIMAL_POINT = 23 - QRCodeUtility.sqrt(num / 256);
            bitmap        = filterImage(image);
            canvas.println("Drawing matrix.");
            canvas.drawMatrix(bitmap);
            canvas.println("Scanning Finder Pattern.");
            FinderPattern finderPattern = null;

            try
            {
                finderPattern = FinderPattern.findFinderPattern(bitmap);
            }
            catch (FinderPatternNotFoundException)
            {
                canvas.println("Not found, now retrying...");
                bitmap = applyCrossMaskingMedianFilter(bitmap, 5);
                canvas.drawMatrix(bitmap);
                for (int i = 0; i < 1000000000; i++)
                {
                }
                try
                {
                    finderPattern = FinderPattern.findFinderPattern(bitmap);
                }
                catch (FinderPatternNotFoundException ex)
                {
                    throw new SymbolNotFoundException(ex.Message);
                }
                catch (VersionInformationException ex2)
                {
                    throw new SymbolNotFoundException(ex2.Message);
                }
            }
            catch (VersionInformationException ex4)
            {
                throw new SymbolNotFoundException(ex4.Message);
            }
            canvas.println("FinderPattern at");
            string str = finderPattern.getCenter(0).ToString() + finderPattern.getCenter(1).ToString() + finderPattern.getCenter(2).ToString();

            canvas.println(str);
            int[] angle = finderPattern.getAngle();
            canvas.println("Angle*4098: Sin " + Convert.ToString(angle[0]) + "  Cos " + Convert.ToString(angle[1]));
            int version = finderPattern.Version;

            canvas.println("Version: " + Convert.ToString(version));
            if (version < 1 || version > 40)
            {
                throw new InvalidVersionException("Invalid version: " + version);
            }
            AlignmentPattern alignmentPattern = null;

            try
            {
                alignmentPattern = AlignmentPattern.findAlignmentPattern(bitmap, finderPattern);
            }
            catch (AlignmentPatternNotFoundException ex5)
            {
                throw new SymbolNotFoundException(ex5.Message);
            }
            int num2 = alignmentPattern.getCenter().Length;

            canvas.println("AlignmentPatterns at");
            for (int j = 0; j < num2; j++)
            {
                string text = "";
                for (int k = 0; k < num2; k++)
                {
                    text += alignmentPattern.getCenter()[k][j].ToString();
                }
                canvas.println(text);
            }
            canvas.println("Creating sampling grid.");
            samplingGrid = getSamplingGrid(finderPattern, alignmentPattern);
            canvas.println("Reading grid.");
            bool[][] array = null;
            try
            {
                array = getQRCodeMatrix(bitmap, samplingGrid);
            }
            catch (IndexOutOfRangeException)
            {
                throw new SymbolNotFoundException("Sampling grid exceeded image boundary");
            }
            return(new QRCodeSymbol(array));
        }