aboutEquals method
Determines if this finder pattern "about equals" a finder pattern at the stated position and size -- meaning, it is at nearly the same center with nearly the same size.
Implementation
bool aboutEquals(double moduleSize, double i, double j) {
if ((i - y).abs() <= moduleSize && (j - x).abs() <= moduleSize) {
final moduleSizeDiff = (moduleSize - _estimatedModuleSize).abs();
return moduleSizeDiff <= 1.0 || moduleSizeDiff <= _estimatedModuleSize;
}
return false;
}