package com.google.zxing.oned;
-import com.google.zxing.BlackPointEstimationMethod;
+import com.google.zxing.BinaryBitmap;
import com.google.zxing.DecodeHintType;
-import com.google.zxing.MonochromeBitmapSource;
import com.google.zxing.ReaderException;
import com.google.zxing.Result;
import com.google.zxing.ResultMetadataType;
private static final int INTEGER_MATH_SHIFT = 8;
static final int PATTERN_MATCH_RESULT_SCALE_FACTOR = 1 << INTEGER_MATH_SHIFT;
- public final Result decode(MonochromeBitmapSource image) throws ReaderException {
+ public final Result decode(BinaryBitmap image) throws ReaderException {
return decode(image, null);
}
- public final Result decode(MonochromeBitmapSource image, Hashtable hints) throws ReaderException {
+ public final Result decode(BinaryBitmap image, Hashtable hints) throws ReaderException {
try {
return doDecode(image, hints);
} catch (ReaderException re) {
boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
if (tryHarder && image.isRotateSupported()) {
- MonochromeBitmapSource rotatedImage = image.rotateCounterClockwise();
+ BinaryBitmap rotatedImage = image.rotateCounterClockwise();
Result result = doDecode(rotatedImage, hints);
// Record that we found it rotated 90 degrees CCW / 270 degrees CW
Hashtable metadata = result.getResultMetadata();
int orientation = 270;
if (metadata != null && metadata.containsKey(ResultMetadataType.ORIENTATION)) {
// But if we found it reversed in doDecode(), add in that result here:
- orientation = (orientation + ((Integer) metadata.get(ResultMetadataType.ORIENTATION)).intValue()) % 360;
+ orientation = (orientation +
+ ((Integer) metadata.get(ResultMetadataType.ORIENTATION)).intValue()) % 360;
}
result.putMetadata(ResultMetadataType.ORIENTATION, new Integer(orientation));
return result;
* @return The contents of the decoded barcode
* @throws ReaderException Any spontaneous errors which occur
*/
- private Result doDecode(MonochromeBitmapSource image, Hashtable hints) throws ReaderException {
+ private Result doDecode(BinaryBitmap image, Hashtable hints) throws ReaderException {
int width = image.getWidth();
int height = image.getHeight();
BitArray row = new BitArray(width);
// Estimate black point for this row and load it:
try {
- image.estimateBlackPoint(BlackPointEstimationMethod.ROW_SAMPLING, rowNumber);
+ row = image.getBlackRow(rowNumber, row);
} catch (ReaderException re) {
continue;
- }
- row = image.getBlackRow(rowNumber, row, 0, width);
+ }
// While we have the image data in a BitArray, it's fairly cheap to reverse it in place to
// handle decoding upside down barcodes.
* @param row row to count from
* @param start offset into row to start at
* @param counters array into which to record counts
- * @throws ReaderException if counters cannot be filled entirely from row before running out of pixels
+ * @throws ReaderException if counters cannot be filled entirely from row before running out
+ * of pixels
*/
static void recordPattern(BitArray row, int start, int[] counters) throws ReaderException {
int numCounters = counters.length;
// method of an interface it implements, but it is causing NoSuchMethodError
// issues on some Nokia JVMs. So we add this superfluous declaration:
- public abstract Result decodeRow(int rowNumber, BitArray row, Hashtable hints) throws ReaderException;
+ public abstract Result decodeRow(int rowNumber, BitArray row, Hashtable hints)
+ throws ReaderException;
}