Java Code Examples for com.google.zxing.BinaryBitmap#getBlackMatrix()
The following examples show how to use
com.google.zxing.BinaryBitmap#getBlackMatrix() .
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Example 1
Source File: Detector.java From ZXing-Orient with Apache License 2.0 | 6 votes |
/** * <p>Detects a PDF417 Code in an image. Only checks 0 and 180 degree rotations.</p> * * @param image barcode image to decode * @param hints optional hints to detector * @param multiple if true, then the image is searched for multiple codes. If false, then at most one code will * be found and returned * @return {@link PDF417DetectorResult} encapsulating results of detecting a PDF417 code * @throws NotFoundException if no PDF417 Code can be found */ public static PDF417DetectorResult detect(BinaryBitmap image, Map<DecodeHintType,?> hints, boolean multiple) throws NotFoundException { // TODO detection improvement, tryHarder could try several different luminance thresholds/blackpoints or even // different binarizers //boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER); BitMatrix bitMatrix = image.getBlackMatrix(); List<ResultPoint[]> barcodeCoordinates = detect(multiple, bitMatrix); if (barcodeCoordinates.isEmpty()) { bitMatrix = bitMatrix.clone(); bitMatrix.rotate180(); barcodeCoordinates = detect(multiple, bitMatrix); } return new PDF417DetectorResult(bitMatrix, barcodeCoordinates); }
Example 2
Source File: Detector.java From analyzer-of-android-for-Apache-Weex with Apache License 2.0 | 6 votes |
/** * <p>Detects a PDF417 Code in an image. Only checks 0 and 180 degree rotations.</p> * * @param image barcode image to decode * @param hints optional hints to detector * @param multiple if true, then the image is searched for multiple codes. If false, then at most one code will * be found and returned * @return {@link PDF417DetectorResult} encapsulating results of detecting a PDF417 code * @throws NotFoundException if no PDF417 Code can be found */ public static PDF417DetectorResult detect(BinaryBitmap image, Map<DecodeHintType,?> hints, boolean multiple) throws NotFoundException { // TODO detection improvement, tryHarder could try several different luminance thresholds/blackpoints or even // different binarizers //boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER); BitMatrix bitMatrix = image.getBlackMatrix(); List<ResultPoint[]> barcodeCoordinates = detect(multiple, bitMatrix); if (barcodeCoordinates.isEmpty()) { bitMatrix = bitMatrix.clone(); bitMatrix.rotate180(); barcodeCoordinates = detect(multiple, bitMatrix); } return new PDF417DetectorResult(bitMatrix, barcodeCoordinates); }
Example 3
Source File: Detector.java From weex with Apache License 2.0 | 6 votes |
/** * <p>Detects a PDF417 Code in an image. Only checks 0 and 180 degree rotations.</p> * * @param image barcode image to decode * @param hints optional hints to detector * @param multiple if true, then the image is searched for multiple codes. If false, then at most one code will * be found and returned * @return {@link PDF417DetectorResult} encapsulating results of detecting a PDF417 code * @throws NotFoundException if no PDF417 Code can be found */ public static PDF417DetectorResult detect(BinaryBitmap image, Map<DecodeHintType,?> hints, boolean multiple) throws NotFoundException { // TODO detection improvement, tryHarder could try several different luminance thresholds/blackpoints or even // different binarizers //boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER); BitMatrix bitMatrix = image.getBlackMatrix(); List<ResultPoint[]> barcodeCoordinates = detect(multiple, bitMatrix); if (barcodeCoordinates.isEmpty()) { bitMatrix = bitMatrix.clone(); bitMatrix.rotate180(); barcodeCoordinates = detect(multiple, bitMatrix); } return new PDF417DetectorResult(bitMatrix, barcodeCoordinates); }
Example 4
Source File: Detector.java From barcodescanner-lib-aar with MIT License | 6 votes |
/** * <p>Detects a PDF417 Code in an image. Only checks 0 and 180 degree rotations.</p> * * @param image barcode image to decode * @param hints optional hints to detector * @param multiple if true, then the image is searched for multiple codes. If false, then at most one code will * be found and returned * @return {@link PDF417DetectorResult} encapsulating results of detecting a PDF417 code * @throws NotFoundException if no PDF417 Code can be found */ public static PDF417DetectorResult detect(BinaryBitmap image, Map<DecodeHintType,?> hints, boolean multiple) throws NotFoundException { // TODO detection improvement, tryHarder could try several different luminance thresholds/blackpoints or even // different binarizers //boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER); BitMatrix bitMatrix = image.getBlackMatrix(); List<ResultPoint[]> barcodeCoordinates = detect(multiple, bitMatrix); if (barcodeCoordinates.isEmpty()) { bitMatrix = bitMatrix.clone(); bitMatrix.rotate180(); barcodeCoordinates = detect(multiple, bitMatrix); } return new PDF417DetectorResult(bitMatrix, barcodeCoordinates); }