Esempio n. 1
0
        public static Point[][] getLogicalCenter(FinderPattern finderPattern)
        {
            int version = finderPattern.Version;

            Point[][] pointArray1 = new Point[1][];
            for (int index = 0; index < 1; ++index)
            {
                pointArray1[index] = new Point[1];
            }
            int[]     numArray    = new int[1];
            int[]     seed        = LogicalSeed.getSeed(version);
            Point[][] pointArray2 = new Point[seed.Length][];
            for (int index = 0; index < seed.Length; ++index)
            {
                pointArray2[index] = new Point[seed.Length];
            }
            for (int index1 = 0; index1 < pointArray2.Length; ++index1)
            {
                for (int index2 = 0; index2 < pointArray2.Length; ++index2)
                {
                    pointArray2[index2][index1] = new Point(seed[index2], seed[index1]);
                }
            }
            return(pointArray2);
        }
Esempio n. 2
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        public static AlignmentPattern findAlignmentPattern(bool[][] image, FinderPattern finderPattern)
        {
            Point[][] logicalCenter   = AlignmentPattern.getLogicalCenter(finderPattern);
            int       patternDistance = logicalCenter[1][0].X - logicalCenter[0][0].X;

            return(new AlignmentPattern(AlignmentPattern.getCenter(image, finderPattern, logicalCenter), patternDistance));
        }
Esempio n. 3
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        public static FinderPattern findFinderPattern(bool[][] image)
        {
            Line[]  lineCross = FinderPattern.FindLineCross(FinderPattern.FindLineAcross(image));
            Point[] center;
            try
            {
                center = FinderPattern.GetCenter(lineCross);
            }
            catch (FinderPatternNotFoundException ex)
            {
                throw ex;
            }
            int[]   angle      = FinderPattern.GetAngle(center);
            Point[] pointArray = FinderPattern.Sort(center, angle);
            int[]   width      = FinderPattern.GetWidth(image, pointArray, angle);
            int[]   moduleSize = new int[3]
            {
                (width[0] << QRCodeImageReader.DECIMAL_POINT) / 7,
                (width[1] << QRCodeImageReader.DECIMAL_POINT) / 7,
                (width[2] << QRCodeImageReader.DECIMAL_POINT) / 7
            };
            int version = FinderPattern.calcRoughVersion(pointArray, width);

            if (version > 6)
            {
                try
                {
                    version = FinderPattern.CalcExactVersion(pointArray, angle, moduleSize, image);
                }
                catch (VersionInformationException ex)
                {
                }
            }
            return(new FinderPattern(pointArray, version, angle, width, moduleSize));
        }
Esempio n. 4
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        //get logical center coordinates of each alignment patterns
        public static Point[][] getLogicalCenter(FinderPattern finderPattern)
        {
            int version = finderPattern.Version;

            Point[][] logicalCenters = new Point[1][];
            for (int i = 0; i < 1; i++)
            {
                logicalCenters[i] = new Point[1];
            }
            int[] logicalSeeds = new int[1];
            //create "column(row)-coordinates" which based on relative coordinates
            //int sqrtCenters = (version / 7) + 2;
            //logicalSeeds = new int[sqrtCenters];
            //for(int i=0 ; i<sqrtCenters ; i++) {
            //	logicalSeeds[i] = 6 + i * (4 + 4 * version) / (sqrtCenters - 1);
            //	logicalSeeds[i] -= (logicalSeeds[i] - 2) % 4;
            //}
            logicalSeeds   = LogicalSeed.getSeed(version);
            logicalCenters = new Point[logicalSeeds.Length][];
            for (int i2 = 0; i2 < logicalSeeds.Length; i2++)
            {
                logicalCenters[i2] = new Point[logicalSeeds.Length];
            }

            //create real relative coordinates
            for (int col = 0; col < logicalCenters.Length; col++)
            {
                for (int row = 0; row < logicalCenters.Length; row++)
                {
                    logicalCenters[row][col] = new Point(logicalSeeds[row], logicalSeeds[col]);
                }
            }
            return(logicalCenters);
        }
Esempio n. 5
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        internal static Point[] Sort(Point[] centers, int[] angle)
        {
            Point[] pointArray = new Point[3];
            switch (FinderPattern.GetURQuadrant(angle))
            {
            case 1:
                pointArray[1] = FinderPattern.GetPointAtSide(centers, 1, 2);
                pointArray[2] = FinderPattern.GetPointAtSide(centers, 2, 4);
                break;

            case 2:
                pointArray[1] = FinderPattern.GetPointAtSide(centers, 2, 4);
                pointArray[2] = FinderPattern.GetPointAtSide(centers, 8, 4);
                break;

            case 3:
                pointArray[1] = FinderPattern.GetPointAtSide(centers, 4, 8);
                pointArray[2] = FinderPattern.GetPointAtSide(centers, 1, 8);
                break;

            case 4:
                pointArray[1] = FinderPattern.GetPointAtSide(centers, 8, 1);
                pointArray[2] = FinderPattern.GetPointAtSide(centers, 2, 1);
                break;
            }
            for (int index = 0; index < centers.Length; ++index)
            {
                if (!centers[index].Equals(pointArray[1]) && !centers[index].Equals(pointArray[2]))
                {
                    pointArray[0] = centers[index];
                }
            }
            return(pointArray);
        }
        //get logical center coordinates of each alignment patterns
        public static Point[][] getLogicalCenter(FinderPattern finderPattern)
        {
            int version = finderPattern.Version;
            Point[][] logicalCenters = new Point[1][];
            for (int i = 0; i < 1; i++)
            {
                logicalCenters[i] = new Point[1];
            }
            int[] logicalSeeds = new int[1];
            //create "column(row)-coordinates" which based on relative coordinates
            //int sqrtCenters = (version / 7) + 2;
            //logicalSeeds = new int[sqrtCenters];
            //for(int i=0 ; i<sqrtCenters ; i++) {
            //	logicalSeeds[i] = 6 + i * (4 + 4 * version) / (sqrtCenters - 1);
            //	logicalSeeds[i] -= (logicalSeeds[i] - 2) % 4;
            //}
            logicalSeeds = LogicalSeed.getSeed(version);
            logicalCenters = new Point[logicalSeeds.Length][];
            for (int i2 = 0; i2 < logicalSeeds.Length; i2++)
            {
                logicalCenters[i2] = new Point[logicalSeeds.Length];
            }

            //create real relative coordinates
            for (int col = 0; col < logicalCenters.Length; col++)
            {
                for (int row = 0; row < logicalCenters.Length; row++)
                {
                    logicalCenters[row][col] = new Point(logicalSeeds[row], logicalSeeds[col]);
                }
            }
            return logicalCenters;
        }
 public static AlignmentPattern findAlignmentPattern(bool[][] image, FinderPattern finderPattern)
 {
     Point[][] logicalCenters = getLogicalCenter(finderPattern);
     int logicalDistance = logicalCenters[1][0].X - logicalCenters[0][0].X;
     //With it converts in order to handle in the same way
     Point[][] centers = null;
     centers = getCenter(image, finderPattern, logicalCenters);
     return new AlignmentPattern(centers, logicalDistance);
 }
Esempio n. 8
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        public static AlignmentPattern findAlignmentPattern(bool[][] image, FinderPattern finderPattern)
        {
            Point[][] logicalCenters  = getLogicalCenter(finderPattern);
            int       logicalDistance = logicalCenters[1][0].X - logicalCenters[0][0].X;

            //With it converts in order to handle in the same way
            Point[][] centers = null;
            centers = getCenter(image, finderPattern, logicalCenters);
            return(new AlignmentPattern(centers, logicalDistance));
        }
Esempio n. 9
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        internal static Line[] FindLineCross(Line[] lineAcross)
        {
            ArrayList arrayList1 = ArrayList.Synchronized(new ArrayList(10));
            ArrayList arrayList2 = ArrayList.Synchronized(new ArrayList(10));
            ArrayList arrayList3 = ArrayList.Synchronized(new ArrayList(10));

            for (int index = 0; index < lineAcross.Length; ++index)
            {
                arrayList3.Add((object)lineAcross[index]);
            }
            for (int index1 = 0; index1 < arrayList3.Count - 1; ++index1)
            {
                arrayList2.Clear();
                arrayList2.Add(arrayList3[index1]);
                for (int index2 = index1 + 1; index2 < arrayList3.Count; ++index2)
                {
                    if (Line.IsNeighbor((Line)arrayList2[arrayList2.Count - 1], (Line)arrayList3[index2]))
                    {
                        arrayList2.Add(arrayList3[index2]);
                        Line line = (Line)arrayList2[arrayList2.Count - 1];
                        if (arrayList2.Count * 5 > line.Length && index2 == arrayList3.Count - 1)
                        {
                            arrayList1.Add(arrayList2[arrayList2.Count / 2]);
                            for (int index3 = 0; index3 < arrayList2.Count; ++index3)
                            {
                                arrayList3.Remove(arrayList2[index3]);
                            }
                        }
                    }
                    else if (FinderPattern.cantNeighbor((Line)arrayList2[arrayList2.Count - 1], (Line)arrayList3[index2]) || index2 == arrayList3.Count - 1)
                    {
                        Line line = (Line)arrayList2[arrayList2.Count - 1];
                        if (arrayList2.Count * 6 > line.Length)
                        {
                            arrayList1.Add(arrayList2[arrayList2.Count / 2]);
                            for (int index3 = 0; index3 < arrayList2.Count; ++index3)
                            {
                                arrayList3.Remove(arrayList2[index3]);
                            }
                            break;
                        }
                        break;
                    }
                }
            }
            Line[] lineArray = new Line[arrayList1.Count];
            for (int index = 0; index < lineArray.Length; ++index)
            {
                lineArray[index] = (Line)arrayList1[index];
            }
            return(lineArray);
        }
Esempio n. 10
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        internal static int CalcExactVersion(Point[] centers, int[] angle, int[] moduleSize, bool[][] image)
        {
            bool[]  target = new bool[18];
            Point[] points = new Point[18];
            Axis    axis   = new Axis(angle, moduleSize[1]);

            axis.Origin = centers[1];
            for (int index1 = 0; index1 < 6; ++index1)
            {
                for (int index2 = 0; index2 < 3; ++index2)
                {
                    Point point = axis.translate(index2 - 7, index1 - 3);
                    target[index2 + index1 * 3] = image[point.X][point.Y];
                    points[index2 + index1 * 3] = point;
                }
            }
            FinderPattern.canvas.DrawPoints(points, Color_Fields.RED);
            int num;

            try
            {
                num = FinderPattern.checkVersionInfo(target);
            }
            catch (InvalidVersionInfoException ex1)
            {
                FinderPattern.canvas.Print("Version info error. now retry with other place one.");
                axis.Origin      = centers[2];
                axis.ModulePitch = moduleSize[2];
                for (int index1 = 0; index1 < 6; ++index1)
                {
                    for (int index2 = 0; index2 < 3; ++index2)
                    {
                        Point point = axis.translate(index1 - 3, index2 - 7);
                        target[index2 + index1 * 3] = image[point.X][point.Y];
                        points[index1 + index2 * 3] = point;
                    }
                }
                FinderPattern.canvas.DrawPoints(points, Color_Fields.RED);
                try
                {
                    num = FinderPattern.checkVersionInfo(target);
                }
                catch (VersionInformationException ex2)
                {
                    throw ex2;
                }
            }
            return(num);
        }
        // For only version 1 which has no Alignement Patterns
        /*	SamplingGrid getSamplingGrid1(FinderPattern finderPattern) {
        int sqrtNumArea = 1;
        int sqrtNumModules = finderPattern.getSqrtNumModules(); //get nummber of modules at side
        int sqrtNumAreaModules = sqrtNumModules / sqrtNumArea;
        Point[] centers = finderPattern.getCenter();
        int logicalDistance = 14;
        SamplingGrid samplingGrid = new SamplingGrid(sqrtNumArea);
        Line baseLineX, baseLineY, gridLineX, gridLineY;

        ModulePitch modulePitch = new ModulePitch(); //store (up,left) order
        modulePitch.top = getAreaModulePitch(centers[0], centers[1], logicalDistance);
        modulePitch.left = getAreaModulePitch(centers[0], centers[2], logicalDistance);

        //X軸に垂直の基線(一般に縦)
        baseLineX = new Line(
        finderPattern.getCenter(FinderPattern.UL),
        finderPattern.getCenter(FinderPattern.DL));

        Axis axis = new Axis(finderPattern.getAngle(), modulePitch.top);
        axis.setOrigin(baseLineX.getP1());
        baseLineX.setP1(axis.translate(-3, -3));

        axis.setModulePitch(modulePitch.left);
        axis.setOrigin(baseLineX.getP2());
        baseLineX.setP2(axis.translate(-3, 3));

        //Y軸に垂直の基線(一般に横)
        baseLineY =
        new Line(finderPattern.getCenter(FinderPattern.UL),
        finderPattern.getCenter(FinderPattern.UR));

        axis.setModulePitch(modulePitch.left);
        axis.setOrigin(baseLineY.getP1());
        baseLineY.setP1(axis.translate(-3, -3));

        axis.setModulePitch(modulePitch.left);
        axis.setOrigin(baseLineY.getP2());
        baseLineY.setP2(axis.translate(3, -3));

        //baseLineX.translate(1,1);
        //baseLineY.translate(1,1);

        samplingGrid.initGrid(0, 0, sqrtNumAreaModules, sqrtNumAreaModules);

        for (int i = 0; i < sqrtNumAreaModules; i++) {

        gridLineX = new Line(baseLineX.getP1(), baseLineX.getP2());

        axis.setOrigin(gridLineX.getP1());
        axis.setModulePitch(modulePitch.top);
        gridLineX.setP1(axis.translate(i,0));

        axis.setOrigin(gridLineX.getP2());
        axis.setModulePitch(modulePitch.top);
        gridLineX.setP2(axis.translate(i,0));

        gridLineY = new Line(baseLineY.getP1(), baseLineY.getP2());
        axis.setOrigin(gridLineY.getP1());
        axis.setModulePitch(modulePitch.left);
        gridLineY.setP1(axis.translate(0,i));

        axis.setOrigin(gridLineY.getP2());
        axis.setModulePitch(modulePitch.left);
        gridLineY.setP2(axis.translate(0,i));

        samplingGrid.setXLine(0,0,i,gridLineX);
        samplingGrid.setYLine(0,0,i,gridLineY);
        }
        for (int ay = 0; ay < samplingGrid.getHeight(); ay++) {
        for (int ax = 0; ax < samplingGrid.getWidth();ax++) {
        canvas.drawLines(samplingGrid.getXLines(ax,ay), Color.BLUE);
        canvas.drawLines(samplingGrid.getYLines(ax,ay), Color.BLUE);
        }
        }
        return samplingGrid;
        }*/
        //sampllingGrid[areaX][areaY][direction(x=0,y=1)][EachLines]
        /*	SamplingGrid getSamplingGrid2_6(FinderPattern finderPattern, AlignmentPattern alignmentPattern) {

        Point centers[][] = alignmentPattern.getCenter();
        centers[0][0] = finderPattern.getCenter(FinderPattern.UL);
        centers[1][0] = finderPattern.getCenter(FinderPattern.UR);
        centers[0][1] = finderPattern.getCenter(FinderPattern.DL);
        int sqrtNumModules = finderPattern.getSqrtNumModules(); //一辺当たりのモジュール数を得る

        SamplingGrid samplingGrid = new SamplingGrid(1);
        Line baseLineX, baseLineY, gridLineX, gridLineY;

        int logicalDistance = alignmentPattern.getLogicalDistance();
        Axis axis = new Axis(finderPattern.getAngle(), finderPattern.getModuleSize());

        ModulePitch modulePitch = new ModulePitch(); //top left bottom rightの順に格納

        modulePitch.top = getAreaModulePitch(centers[0][0], centers[1][0], logicalDistance + 6);
        modulePitch.left = getAreaModulePitch(centers[0][0], centers[0][1], logicalDistance + 6);
        axis.setModulePitch(modulePitch.top);
        axis.setOrigin(centers[0][1]);
        modulePitch.bottom = getAreaModulePitch(axis.translate(0, -3), centers[1][1], logicalDistance + 3);
        axis.setModulePitch(modulePitch.left);
        axis.setOrigin(centers[1][0]);
        modulePitch.right = getAreaModulePitch(axis.translate(-3, 0), centers[1][1], logicalDistance + 3);

        //X軸に垂直の基線(一般に縦)
        baseLineX = new Line();
        baseLineY = new Line();

        axis.setOrigin(centers[0][0]);
        modulePitch.top = getAreaModulePitch(centers[0][0], centers[1][0], logicalDistance + 6);
        modulePitch.left = getAreaModulePitch(centers[0][0], centers[0][1], logicalDistance + 6);
        axis.setModulePitch(modulePitch.top);
        axis.setOrigin(centers[0][1]);
        modulePitch.bottom = getAreaModulePitch(axis.translate(0,-3), centers[1][1], logicalDistance + 3);
        axis.setModulePitch(modulePitch.left);
        axis.setOrigin(centers[1][0]);
        modulePitch.right = getAreaModulePitch(axis.translate(-3,0), centers[1][1], logicalDistance + 3);

        axis.setOrigin(centers[0][0]);
        axis.setModulePitch(modulePitch.top);
        baseLineX.setP1(axis.translate(-3,-3));

        axis.setModulePitch(modulePitch.left);
        baseLineY.setP1(axis.translate(-3,-3));

        axis.setOrigin(centers[0][1]);
        axis.setModulePitch(modulePitch.bottom);
        baseLineX.setP2(axis.translate(-3,3));

        axis.setOrigin(centers[1][0]);
        axis.setModulePitch(modulePitch.right);
        baseLineY.setP2(axis.translate(3,-3));

        baseLineX.translate(1,1);
        baseLineY.translate(1,1);

        samplingGrid.initGrid(0, 0, sqrtNumModules, sqrtNumModules);

        for (int i = 0; i < sqrtNumModules; i++) {
        gridLineX = new Line(baseLineX.getP1(), baseLineX.getP2());

        axis.setOrigin(gridLineX.getP1());
        axis.setModulePitch(modulePitch.top);
        gridLineX.setP1(axis.translate(i,0));

        axis.setOrigin(gridLineX.getP2());
        axis.setModulePitch(modulePitch.bottom);
        gridLineX.setP2(axis.translate(i,0));

        gridLineY = new Line(baseLineY.getP1(), baseLineY.getP2());

        axis.setOrigin(gridLineY.getP1());
        axis.setModulePitch(modulePitch.left);
        gridLineY.setP1(axis.translate(0,i));

        axis.setOrigin(gridLineY.getP2());
        axis.setModulePitch(modulePitch.right);
        gridLineY.setP2(axis.translate(0,i));

        samplingGrid.setXLine(0,0,i,gridLineX);
        samplingGrid.setYLine(0,0,i,gridLineY);

        }

        for (int ay = 0; ay < samplingGrid.getHeight(); ay++) {
        for (int ax = 0; ax < samplingGrid.getWidth();ax++) {
        canvas.drawLines(samplingGrid.getXLines(ax,ay), java.awt.Color.BLUE);
        canvas.drawLines(samplingGrid.getYLines(ax,ay), java.awt.Color.BLUE);
        }
        }
        return samplingGrid;
        }

        //for version 7-13
        SamplingGrid getSamplingGrid7_13(FinderPattern finderPattern, AlignmentPattern alignmentPattern) {

        Point centers[][] = alignmentPattern.getCenter();
        centers[0][0] = finderPattern.getCenter(FinderPattern.UL);
        centers[2][0] = finderPattern.getCenter(FinderPattern.UR);
        centers[0][2] = finderPattern.getCenter(FinderPattern.DL);
        int sqrtNumModules = finderPattern.getSqrtNumModules(); //一辺当たりのモジュール数を得る
        int sqrtNumArea = 2;
        int sqrtNumAreaModules = sqrtNumModules / sqrtNumArea;
        sqrtNumAreaModules++;
        SamplingGrid samplingGrid = new SamplingGrid(sqrtNumArea);
        Line baseLineX, baseLineY, gridLineX, gridLineY;

        int logicalDistance = alignmentPattern.getLogicalDistance();
        Axis axis = new Axis(finderPattern.getAngle(), finderPattern.getModuleSize());
        ModulePitch modulePitch;
        for (int ay = 0; ay < sqrtNumArea; ay++) {
        for (int ax = 0; ax < sqrtNumArea; ax++) {
        modulePitch = new ModulePitch(); //top left bottom rightの順に格納
        baseLineX = new Line();
        baseLineY = new Line();
        axis.setModulePitch(finderPattern.getModuleSize());
        if (ax == 0 && ay == 0) {
        axis.setOrigin(centers[0][0]);
        modulePitch.top = getAreaModulePitch(axis.translate(0,3), centers[1][0], logicalDistance + 3);
        modulePitch.left = getAreaModulePitch(axis.translate(3,0), centers[0][1], logicalDistance + 3);
        axis.setModulePitch(modulePitch.top);
        modulePitch.bottom = getAreaModulePitch(centers[0][1], centers[1][1], logicalDistance);
        axis.setModulePitch(modulePitch.left);
        modulePitch.right = getAreaModulePitch(centers[1][0], centers[1][1], logicalDistance);

        axis.setModulePitch(modulePitch.top);
        baseLineX.setP1(axis.translate(-3,-3));

        axis.setModulePitch(modulePitch.left);
        baseLineY.setP1(axis.translate(-3,-3));

        axis.setOrigin(centers[0][1]);
        axis.setModulePitch(modulePitch.bottom);
        baseLineX.setP2(axis.translate(-6,0));

        axis.setOrigin(centers[1][0]);
        axis.setModulePitch(modulePitch.right);
        baseLineY.setP2(axis.translate(0,-6));
        }
        else if (ax == 1 && ay == 0) {
        axis.setOrigin(centers[1][0]);
        modulePitch.top = getAreaModulePitch(axis.translate(0,-3), centers[2][0], logicalDistance + 3);
        modulePitch.left = getAreaModulePitch(centers[1][0], centers[1][1], logicalDistance);
        axis.setModulePitch(modulePitch.top);
        modulePitch.bottom = getAreaModulePitch(centers[1][1], centers[2][1], logicalDistance);
        axis.setModulePitch(modulePitch.left);
        axis.setOrigin(centers[2][0]);
        modulePitch.right = getAreaModulePitch(axis.translate(-3,0), centers[2][1], logicalDistance + 3);

        axis.setOrigin(centers[1][0]);
        axis.setModulePitch(modulePitch.left);
        baseLineX.setP1(axis.translate(0,-6));

        baseLineY.setP1(axis.translate(0,-6));

        baseLineX.setP2(centers[1][1]);

        axis.setOrigin(centers[2][0]);
        axis.setModulePitch(modulePitch.right);
        baseLineY.setP2(axis.translate(3,-3));
        }
        else if (ax == 0 && ay == 1) {
        modulePitch.top = getAreaModulePitch(centers[0][1], centers[1][1], logicalDistance);
        axis.setOrigin(centers[0][2]);
        modulePitch.left = getAreaModulePitch(centers[0][1], axis.translate(3,0), logicalDistance + 3);
        axis.setModulePitch(modulePitch.top);
        modulePitch.bottom = getAreaModulePitch(axis.translate(0,-3), centers[1][2], logicalDistance + 3);
        axis.setModulePitch(modulePitch.bottom);
        modulePitch.right = getAreaModulePitch(centers[1][1], centers[1][2], logicalDistance);

        axis.setOrigin(centers[0][1]);
        axis.setModulePitch(modulePitch.top);
        baseLineX.setP1(axis.translate(-6,0));

        baseLineY.setP1(axis.translate(-6,0));

        axis.setOrigin(centers[0][2]);
        axis.setModulePitch(modulePitch.bottom);
        baseLineX.setP2(axis.translate(-3, 3));

        baseLineY.setP2(centers[1][1]);
        }
        else if (ax == 1 && ay == 1) {
        modulePitch.top = getAreaModulePitch(centers[1][1], centers[2][1], logicalDistance);
        modulePitch.left = getAreaModulePitch(centers[1][1], centers[1][2], logicalDistance);
        modulePitch.bottom = getAreaModulePitch(centers[1][2], centers[2][2], logicalDistance);
        modulePitch.right = getAreaModulePitch(centers[2][1], centers[2][2], logicalDistance);

        baseLineX.setP1(centers[1][1]);
        baseLineY.setP1(centers[1][1]);

        axis.setOrigin(centers[1][2]);
        axis.setModulePitch(modulePitch.left);
        baseLineX.setP2(axis.translate(0,6));

        axis.setOrigin(centers[2][1]);
        axis.setModulePitch(modulePitch.top);
        baseLineY.setP2(axis.translate(6,0));
        }

        samplingGrid.initGrid(ax,ay, sqrtNumAreaModules, sqrtNumAreaModules);

        for (int i = 0; i < sqrtNumAreaModules; i++) {
        gridLineX = new Line(baseLineX.getP1(), baseLineX.getP2());

        axis.setOrigin(gridLineX.getP1());
        axis.setModulePitch(modulePitch.top);
        gridLineX.setP1(axis.translate(i,0));

        axis.setOrigin(gridLineX.getP2());
        axis.setModulePitch(modulePitch.bottom);
        gridLineX.setP2(axis.translate(i,0));

        gridLineY = new Line(baseLineY.getP1(), baseLineY.getP2());

        axis.setOrigin(gridLineY.getP1());
        axis.setModulePitch(modulePitch.left);
        gridLineY.setP1(axis.translate(0,i));

        axis.setOrigin(gridLineY.getP2());
        axis.setModulePitch(modulePitch.right);
        gridLineY.setP2(axis.translate(0,i));

        samplingGrid.setXLine(ax,ay,i,gridLineX);
        samplingGrid.setYLine(ax,ay,i,gridLineY);

        }
        }
        }

        for (int ay = 0; ay < samplingGrid.getHeight(); ay++) {
        for (int ax = 0; ax < samplingGrid.getWidth();ax++) {
        canvas.drawLines(samplingGrid.getXLines(ax,ay), java.awt.Color.BLUE);
        canvas.drawLines(samplingGrid.getYLines(ax,ay), java.awt.Color.BLUE);
        }
        }

        return samplingGrid;
        }*/
        /// <summary> Generic Sampling grid method</summary>
        internal virtual SamplingGrid getSamplingGrid(FinderPattern finderPattern, AlignmentPattern alignmentPattern)
        {
            Point[][] centers = alignmentPattern.getCenter();

            int version = finderPattern.Version;
            int sqrtCenters = (version / 7) + 2;

            centers[0][0] = finderPattern.getCenter(FinderPattern.UL);
            centers[sqrtCenters - 1][0] = finderPattern.getCenter(FinderPattern.UR);
            centers[0][sqrtCenters - 1] = finderPattern.getCenter(FinderPattern.DL);
            //int sqrtNumModules = finderPattern.getSqrtNumModules(); /// The number of modules per one side is obtained
            int sqrtNumArea = sqrtCenters - 1;

            //--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//--//
            SamplingGrid samplingGrid = new SamplingGrid(sqrtNumArea);

            Line baseLineX, baseLineY, gridLineX, gridLineY;

            ///???
            //Point[] targetCenters;

            //int logicalDistance = alignmentPattern.getLogicalDistance();
            Axis axis = new Axis(finderPattern.getAngle(), finderPattern.getModuleSize());
            ModulePitch modulePitch;

            // for each area :
            for (int ay = 0; ay < sqrtNumArea; ay++)
            {
                for (int ax = 0; ax < sqrtNumArea; ax++)
                {
                    modulePitch = new ModulePitch(this); /// Housing to order
                    baseLineX = new Line();
                    baseLineY = new Line();
                    axis.ModulePitch = finderPattern.getModuleSize();

                    Point[][] logicalCenters = AlignmentPattern.getLogicalCenter(finderPattern);

                    Point upperLeftPoint = centers[ax][ay];
                    Point upperRightPoint = centers[ax + 1][ay];
                    Point lowerLeftPoint = centers[ax][ay + 1];
                    Point lowerRightPoint = centers[ax + 1][ay + 1];

                    Point logicalUpperLeftPoint = logicalCenters[ax][ay];
                    Point logicalUpperRightPoint = logicalCenters[ax + 1][ay];
                    Point logicalLowerLeftPoint = logicalCenters[ax][ay + 1];
                    Point logicalLowerRightPoint = logicalCenters[ax + 1][ay + 1];

                    if (ax == 0 && ay == 0)
                    // left upper corner
                    {
                        if (sqrtNumArea == 1)
                        {
                            upperLeftPoint = axis.translate(upperLeftPoint, - 3, - 3);
                            upperRightPoint = axis.translate(upperRightPoint, 3, - 3);
                            lowerLeftPoint = axis.translate(lowerLeftPoint, - 3, 3);
                            lowerRightPoint = axis.translate(lowerRightPoint, 6, 6);

                            logicalUpperLeftPoint.translate(- 6, - 6);
                            logicalUpperRightPoint.translate(3, - 3);
                            logicalLowerLeftPoint.translate(- 3, 3);
                            logicalLowerRightPoint.translate(6, 6);
                        }
                        else
                        {
                            upperLeftPoint = axis.translate(upperLeftPoint, - 3, - 3);
                            upperRightPoint = axis.translate(upperRightPoint, 0, - 6);
                            lowerLeftPoint = axis.translate(lowerLeftPoint, - 6, 0);

                            logicalUpperLeftPoint.translate(- 6, - 6);
                            logicalUpperRightPoint.translate(0, - 6);
                            logicalLowerLeftPoint.translate(- 6, 0);
                        }
                    }
                    else if (ax == 0 && ay == sqrtNumArea - 1)
                    // left bottom corner
                    {
                        upperLeftPoint = axis.translate(upperLeftPoint, - 6, 0);
                        lowerLeftPoint = axis.translate(lowerLeftPoint, - 3, 3);
                        lowerRightPoint = axis.translate(lowerRightPoint, 0, 6);

                        logicalUpperLeftPoint.translate(- 6, 0);
                        logicalLowerLeftPoint.translate(- 6, 6);
                        logicalLowerRightPoint.translate(0, 6);
                    }
                    else if (ax == sqrtNumArea - 1 && ay == 0)
                    // right upper corner
                    {
                        upperLeftPoint = axis.translate(upperLeftPoint, 0, - 6);
                        upperRightPoint = axis.translate(upperRightPoint, 3, - 3);
                        lowerRightPoint = axis.translate(lowerRightPoint, 6, 0);

                        logicalUpperLeftPoint.translate(0, - 6);
                        logicalUpperRightPoint.translate(6, - 6);
                        logicalLowerRightPoint.translate(6, 0);
                    }
                    else if (ax == sqrtNumArea - 1 && ay == sqrtNumArea - 1)
                    // right bottom corner
                    {
                        lowerLeftPoint = axis.translate(lowerLeftPoint, 0, 6);
                        upperRightPoint = axis.translate(upperRightPoint, 6, 0);
                        lowerRightPoint = axis.translate(lowerRightPoint, 6, 6);

                        logicalLowerLeftPoint.translate(0, 6);
                        logicalUpperRightPoint.translate(6, 0);
                        logicalLowerRightPoint.translate(6, 6);
                    }
                    else if (ax == 0)
                    // left side
                    {
                        upperLeftPoint = axis.translate(upperLeftPoint, - 6, 0);
                        lowerLeftPoint = axis.translate(lowerLeftPoint, - 6, 0);

                        logicalUpperLeftPoint.translate(- 6, 0);
                        logicalLowerLeftPoint.translate(- 6, 0);
                    }
                    else if (ax == sqrtNumArea - 1)
                    // right
                    {
                        upperRightPoint = axis.translate(upperRightPoint, 6, 0);
                        lowerRightPoint = axis.translate(lowerRightPoint, 6, 0);

                        logicalUpperRightPoint.translate(6, 0);
                        logicalLowerRightPoint.translate(6, 0);
                    }
                    else if (ay == 0)
                    // top
                    {
                        upperLeftPoint = axis.translate(upperLeftPoint, 0, - 6);
                        upperRightPoint = axis.translate(upperRightPoint, 0, - 6);

                        logicalUpperLeftPoint.translate(0, - 6);
                        logicalUpperRightPoint.translate(0, - 6);
                    }
                    else if (ay == sqrtNumArea - 1)
                    // bottom
                    {
                        lowerLeftPoint = axis.translate(lowerLeftPoint, 0, 6);
                        lowerRightPoint = axis.translate(lowerRightPoint, 0, 6);

                        logicalLowerLeftPoint.translate(0, 6);
                        logicalLowerRightPoint.translate(0, 6);
                    }

                    if (ax == 0)
                    {
                        logicalUpperRightPoint.translate(1, 0);
                        logicalLowerRightPoint.translate(1, 0);
                    }
                    else
                    {
                        logicalUpperLeftPoint.translate(- 1, 0);
                        logicalLowerLeftPoint.translate(- 1, 0);
                    }

                    if (ay == 0)
                    {
                        logicalLowerLeftPoint.translate(0, 1);
                        logicalLowerRightPoint.translate(0, 1);
                    }
                    else
                    {
                        logicalUpperLeftPoint.translate(0, - 1);
                        logicalUpperRightPoint.translate(0, - 1);
                    }

                    int logicalWidth = logicalUpperRightPoint.X - logicalUpperLeftPoint.X;
                    int logicalHeight = logicalLowerLeftPoint.Y - logicalUpperLeftPoint.Y;

                    if (version < 7)
                    {
                        logicalWidth += 3;
                        logicalHeight += 3;
                    }
                    modulePitch.top = getAreaModulePitch(upperLeftPoint, upperRightPoint, logicalWidth - 1);
                    modulePitch.left = getAreaModulePitch(upperLeftPoint, lowerLeftPoint, logicalHeight - 1);
                    modulePitch.bottom = getAreaModulePitch(lowerLeftPoint, lowerRightPoint, logicalWidth - 1);
                    modulePitch.right = getAreaModulePitch(upperRightPoint, lowerRightPoint, logicalHeight - 1);

                    baseLineX.setP1(upperLeftPoint);
                    baseLineY.setP1(upperLeftPoint);
                    baseLineX.setP2(lowerLeftPoint);
                    baseLineY.setP2(upperRightPoint);

                    samplingGrid.initGrid(ax, ay, logicalWidth, logicalHeight);

                    for (int i = 0; i < logicalWidth; i++)
                    {
                        gridLineX = new Line(baseLineX.getP1(), baseLineX.getP2());

                        axis.Origin = gridLineX.getP1();
                        axis.ModulePitch = modulePitch.top;
                        gridLineX.setP1(axis.translate(i, 0));

                        axis.Origin = gridLineX.getP2();
                        axis.ModulePitch = modulePitch.bottom;
                        gridLineX.setP2(axis.translate(i, 0));

                        samplingGrid.setXLine(ax, ay, i, gridLineX);
                    }

                    for (int i = 0; i < logicalHeight; i++)
                    {

                        gridLineY = new Line(baseLineY.getP1(), baseLineY.getP2());

                        axis.Origin = gridLineY.getP1();
                        axis.ModulePitch = modulePitch.left;
                        gridLineY.setP1(axis.translate(0, i));

                        axis.Origin = gridLineY.getP2();
                        axis.ModulePitch = modulePitch.right;
                        gridLineY.setP2(axis.translate(0, i));

                        samplingGrid.setYLine(ax, ay, i, gridLineY);
                    }
                }
            }

            return samplingGrid;
        }
Esempio n. 12
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        internal static Point[][] getCenter(bool[][] image, FinderPattern finderPattern, Point[][] logicalCenters)
        {
            int  moduleSize = finderPattern.GetModuleSize();
            Axis axis       = new Axis(finderPattern.GetAngle(), moduleSize);
            int  length     = logicalCenters.Length;

            Point[][] pointArray = new Point[length][];
            for (int index = 0; index < length; ++index)
            {
                pointArray[index] = new Point[length];
            }
            axis.Origin      = finderPattern.GetCenter(0);
            pointArray[0][0] = axis.translate(3, 3);
            AlignmentPattern.canvas.DrawCross(pointArray[0][0], Color_Fields.BLUE);
            axis.Origin = finderPattern.GetCenter(1);
            pointArray[length - 1][0] = axis.translate(-3, 3);
            AlignmentPattern.canvas.DrawCross(pointArray[length - 1][0], Color_Fields.BLUE);
            axis.Origin = finderPattern.GetCenter(2);
            pointArray[0][length - 1] = axis.translate(3, -3);
            AlignmentPattern.canvas.DrawCross(pointArray[0][length - 1], Color_Fields.BLUE);
            Point p1 = pointArray[0][0];

            for (int index1 = 0; index1 < length; ++index1)
            {
                for (int index2 = 0; index2 < length; ++index2)
                {
                    if ((index2 != 0 || index1 != 0) && (index2 != 0 || index1 != length - 1) && (index2 != length - 1 || index1 != 0))
                    {
                        Point point1 = (Point)null;
                        if (index1 == 0)
                        {
                            if (index2 > 0 && index2 < length - 1)
                            {
                                point1 = axis.translate(pointArray[index2 - 1][index1], logicalCenters[index2][index1].X - logicalCenters[index2 - 1][index1].X, 0);
                            }
                            pointArray[index2][index1] = new Point(point1.X, point1.Y);
                            AlignmentPattern.canvas.DrawCross(pointArray[index2][index1], Color_Fields.RED);
                        }
                        else if (index2 == 0)
                        {
                            if (index1 > 0 && index1 < length - 1)
                            {
                                point1 = axis.translate(pointArray[index2][index1 - 1], 0, logicalCenters[index2][index1].Y - logicalCenters[index2][index1 - 1].Y);
                            }
                            pointArray[index2][index1] = new Point(point1.X, point1.Y);
                            AlignmentPattern.canvas.DrawCross(pointArray[index2][index1], Color_Fields.RED);
                        }
                        else
                        {
                            Point point2 = axis.translate(pointArray[index2 - 1][index1], logicalCenters[index2][index1].X - logicalCenters[index2 - 1][index1].X, 0);
                            Point point3 = axis.translate(pointArray[index2][index1 - 1], 0, logicalCenters[index2][index1].Y - logicalCenters[index2][index1 - 1].Y);
                            pointArray[index2][index1] = new Point((point2.X + point3.X) / 2, (point2.Y + point3.Y) / 2 + 1);
                        }
                        if (finderPattern.Version > 1)
                        {
                            Point precisionCenter = AlignmentPattern.getPrecisionCenter(image, pointArray[index2][index1]);
                            if (pointArray[index2][index1].DistanceOf(precisionCenter) < 6)
                            {
                                AlignmentPattern.canvas.DrawCross(pointArray[index2][index1], Color_Fields.RED);
                                int num1 = precisionCenter.X - pointArray[index2][index1].X;
                                int num2 = precisionCenter.Y - pointArray[index2][index1].Y;
                                AlignmentPattern.canvas.Print("Adjust AP(" + (object)index2 + "," + (object)index1 + ") to d(" + (object)num1 + "," + (object)num2 + ")");
                                pointArray[index2][index1] = precisionCenter;
                            }
                        }
                        AlignmentPattern.canvas.DrawCross(pointArray[index2][index1], Color_Fields.BLUE);
                        AlignmentPattern.canvas.DrawLine(new Line(p1, pointArray[index2][index1]), Color_Fields.LIGHTBLUE);
                        p1 = pointArray[index2][index1];
                    }
                }
            }
            return(pointArray);
        }
Esempio n. 13
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        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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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))
                    {
                        //					canvas.drawCross(centers[x][y], java.awt.Color.MAGENTA);
                        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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.Codec.Util.Color_Fields.BLUE);
                    canvas.drawLine(new Line(tmpPoint, centers[x][y]), MessagingToolkit.QRCode.Codec.Util.Color_Fields.LIGHTBLUE);
                    tmpPoint = centers[x][y];
                }
            }
            return(centers);
        }
Esempio n. 14
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        internal static Line[] FindLineAcross(bool[][] image)
        {
            int       num1      = 0;
            int       num2      = 1;
            int       length1   = image.Length;
            int       length2   = image[0].Length;
            Point     point     = new Point();
            ArrayList arrayList = ArrayList.Synchronized(new ArrayList(10));

            int[] buffer  = new int[5];
            int   pointer = 0;
            int   num3    = num1;
            bool  flag1   = false;

            while (true)
            {
                bool flag2 = image[point.X][point.Y];
                if (flag2 == flag1)
                {
                    ++buffer[pointer];
                }
                else
                {
                    if (!flag2 && FinderPattern.CheckPattern(buffer, pointer))
                    {
                        int x1;
                        int x2;
                        int y2;
                        int y1;
                        if (num3 == num1)
                        {
                            x1 = point.X;
                            for (int index = 0; index < 5; ++index)
                            {
                                x1 -= buffer[index];
                            }
                            x2 = point.X - 1;
                            y1 = y2 = point.Y;
                        }
                        else
                        {
                            x1 = x2 = point.X;
                            y1 = point.Y;
                            for (int index = 0; index < 5; ++index)
                            {
                                y1 -= buffer[index];
                            }
                            y2 = point.Y - 1;
                        }
                        arrayList.Add((object)new Line(x1, y1, x2, y2));
                    }
                    pointer         = (pointer + 1) % 5;
                    buffer[pointer] = 1;
                    flag1           = !flag1;
                }
                if (num3 == num1)
                {
                    if (point.X < length1 - 1)
                    {
                        point.Translate(1, 0);
                    }
                    else if (point.Y < length2 - 1)
                    {
                        point.Set(0, point.Y + 1);
                        buffer = new int[5];
                    }
                    else
                    {
                        point.Set(0, 0);
                        buffer = new int[5];
                        num3   = num2;
                    }
                }
                else if (point.Y < length2 - 1)
                {
                    point.Translate(0, 1);
                }
                else if (point.X < length1 - 1)
                {
                    point.Set(point.X + 1, 0);
                    buffer = new int[5];
                }
                else
                {
                    break;
                }
            }
            Line[] lines = new Line[arrayList.Count];
            for (int index = 0; index < lines.Length; ++index)
            {
                lines[index] = (Line)arrayList[index];
            }
            FinderPattern.canvas.DrawLines(lines, Color_Fields.LIGHTGREEN);
            return(lines);
        }
        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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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))
                    {
                        //					canvas.drawCross(centers[x][y], java.awt.Color.MAGENTA);
                        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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.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], MessagingToolkit.QRCode.Codec.Util.Color_Fields.BLUE);
                    canvas.drawLine(new Line(tmpPoint, centers[x][y]), MessagingToolkit.QRCode.Codec.Util.Color_Fields.LIGHTBLUE);
                    tmpPoint = centers[x][y];
                }
            }
            return centers;
        }