import BitMatrix from '../../common/BitMatrix';
|
import DetectorResult from '../../common/DetectorResult';
|
/**
|
* <p>Encapsulates logic that can detect a Data Matrix Code in an image, even if the Data Matrix Code
|
* is rotated or skewed, or partially obscured.</p>
|
*
|
* @author Sean Owen
|
*/
|
export default class Detector {
|
private image;
|
private rectangleDetector;
|
constructor(image: BitMatrix);
|
/**
|
* <p>Detects a Data Matrix Code in an image.</p>
|
*
|
* @return {@link DetectorResult} encapsulating results of detecting a Data Matrix Code
|
* @throws NotFoundException if no Data Matrix Code can be found
|
*/
|
detect(): DetectorResult;
|
private static shiftPoint;
|
private static moveAway;
|
/**
|
* Detect a solid side which has minimum transition.
|
*/
|
private detectSolid1;
|
/**
|
* Detect a second solid side next to first solid side.
|
*/
|
private detectSolid2;
|
/**
|
* Calculates the corner position of the white top right module.
|
*/
|
private correctTopRight;
|
/**
|
* Shift the edge points to the module center.
|
*/
|
private shiftToModuleCenter;
|
private isValid;
|
private static sampleGrid;
|
/**
|
* Counts the number of black/white transitions between two points, using something like Bresenham's algorithm.
|
*/
|
private transitionsBetween;
|
}
|
