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]; logicalSeeds = LogicalSeed.getSeed(version); logicalCenters = new Point[logicalSeeds.Length][]; for (int i2 = 0; i2 < logicalSeeds.Length; i2++) { logicalCenters[i2] = new Point[logicalSeeds.Length]; } 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; Point[][] centers = null; centers = getCenter(image, finderPattern, logicalCenters); return(new AlignmentPattern(centers, logicalDistance)); }
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); }