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[zxing.git] / core / src / com / google / zxing / LuminanceSource.java

diff --git a/core/src/com/google/zxing/LuminanceSource.java b/core/src/com/google/zxing/LuminanceSource.java
index 34e53a9..4b6d453 100644 (file)
--- a/core/src/com/google/zxing/LuminanceSource.java
+++ b/core/src/com/google/zxing/LuminanceSource.java
@@ -30,7 +30,7 @@ public abstract class LuminanceSource {
   private final int width;
   private final int height;
 
-  public LuminanceSource(int width, int height) {
+  protected LuminanceSource(int width, int height) {
     this.width = width;
     this.height = height;
   }
@@ -38,7 +38,7 @@ public abstract class LuminanceSource {
   /**
    * Fetches one row of luminance data from the underlying platform's bitmap. Values range from
    * 0 (black) to 255 (white). Because Java does not have an unsigned byte type, callers will have
-   * to bitwise and with 0xff for each value. It is preferrable for implementations of this method
+   * to bitwise and with 0xff for each value. It is preferable for implementations of this method
    * to only fetch this row rather than the whole image, since no 2D Readers may be installed and
    * getMatrix() may never be called.
    *