X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=core%2Fsrc%2Fcom%2Fgoogle%2Fzxing%2Fcommon%2FBitMatrix.java;h=5440787480e955464984a77f877770132b3d8376;hb=80ba9706bb9a495fe043e95b0179323060e4786a;hp=74e452d57f9ea6b147e40cd98dd9da75dbe00113;hpb=ef3b5dc1c7cfaadeed6adc10d345c3d6ba3f8e0c;p=zxing.git

diff --git a/core/src/com/google/zxing/common/BitMatrix.java b/core/src/com/google/zxing/common/BitMatrix.java
index 74e452d5..54407874 100755
--- a/core/src/com/google/zxing/common/BitMatrix.java
+++ b/core/src/com/google/zxing/common/BitMatrix.java
@@ -71,6 +71,17 @@ public final class BitMatrix {
     bits[offset >> 5] |= 1 << (offset & 0x1F);
   }
 
+  /**
+   * <p>Flips the given bit.</p>
+   *
+   * @param i row offset
+   * @param j column offset
+   */
+  public void flip(int i, int j) {
+    int offset = i + dimension * j;
+    bits[offset >> 5] ^= 1 << (offset & 0x1F);
+  }
+
   /**
    * <p>Sets a square region of the bit matrix to true.</p>
    *
@@ -108,13 +119,6 @@ public final class BitMatrix {
     return dimension;
   }
 
-  /**
-   * @return array of ints holding internal representation of this matrix's bits
-   */
-  public int[] getBits() {
-    return bits;
-  }
-
   public String toString() {
     StringBuffer result = new StringBuffer(dimension * (dimension + 1));
     for (int i = 0; i < dimension; i++) {