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);
}
