/// <summary> <p>Detects a QR Code in an image, simply.</p>
///
/// </summary>
/// <param name="hints">optional hints to detector
/// </param>
/// <returns> {@link DetectorResult} encapsulating results of detecting a QR Code
/// </returns>
/// <throws> ReaderException if no QR Code can be found </throws>
public virtual DetectorResult detect(System.Collections.Hashtable hints)
{
resultPointCallback = hints == null ? null : (ResultPointCallback)hints[DecodeHintType.NEED_RESULT_POINT_CALLBACK];
FinderPatternFinder finder = new FinderPatternFinder(image, resultPointCallback);
FinderPatternInfo info = finder.find(hints);
return(processFinderPatternInfo(info));
}
protected internal virtual DetectorResult processFinderPatternInfo(FinderPatternInfo info)
{
FinderPattern topLeft = info.TopLeft;
FinderPattern topRight = info.TopRight;
FinderPattern bottomLeft = info.BottomLeft;
float moduleSize = calculateModuleSize(topLeft, topRight, bottomLeft);
if (moduleSize < 1.0f)
{
throw ReaderException.Instance;
}
int dimension = computeDimension(topLeft, topRight, bottomLeft, moduleSize);
Version provisionalVersion = Version.getProvisionalVersionForDimension(dimension);
int modulesBetweenFPCenters = provisionalVersion.DimensionForVersion - 7;
PerspectiveTransform transform = createTransform(topLeft, topRight, bottomLeft, dimension);
BitMatrix bits = sampleGrid(image, transform, dimension);
ResultPoint[] points;
points = new ResultPoint[] { bottomLeft, topLeft, topRight };
return(new DetectorResult(bits, points));
}
protected internal virtual DetectorResult processFinderPatternInfo(FinderPatternInfo info)
{
FinderPattern topLeft = info.TopLeft;
FinderPattern topRight = info.TopRight;
FinderPattern bottomLeft = info.BottomLeft;
float moduleSize = calculateModuleSize(topLeft, topRight, bottomLeft);
if (moduleSize < 1.0f)
{
throw ReaderException.Instance;
}
int dimension = computeDimension(topLeft, topRight, bottomLeft, moduleSize);
Version provisionalVersion = Version.getProvisionalVersionForDimension(dimension);
int modulesBetweenFPCenters = provisionalVersion.DimensionForVersion - 7;
PerspectiveTransform transform = createTransform(topLeft, topRight, bottomLeft, dimension);
BitMatrix bits = sampleGrid(image, transform, dimension);
ResultPoint[] points;
points = new ResultPoint[] { bottomLeft, topLeft, topRight };
return new DetectorResult(bits, points);
}