Beispiel #1
0
 /** Sets this bitmap to the contents of the argument. Both bitmaps must be the same size. */
 public void setFrom(BitMap other) {
   if (Assert.ASSERTS_ENABLED) {
     Assert.that(size() == other.size(), "must have same size");
   }
   for (int index = 0; index < sizeInWords(); index++) {
     data[index] = other.data[index];
   }
 }
Beispiel #2
0
 /** Both bitmaps must be the same size. */
 public boolean isSame(BitMap other) {
   if (Assert.ASSERTS_ENABLED) {
     Assert.that(size() == other.size(), "must have same size");
   }
   for (int index = 0; index < sizeInWords(); index++) {
     if (data[index] != (other.data[index])) return false;
   }
   return true;
 }
Beispiel #3
0
 /**
  * Sets this bitmap to the logical union of it and the argument. Both bitmaps must be the same
  * size. Returns true if a change was caused in this bitmap.
  */
 public boolean setUnion(BitMap other) {
   if (Assert.ASSERTS_ENABLED) {
     Assert.that(size() == other.size(), "must have same size");
   }
   boolean changed = false;
   for (int index = 0; index < sizeInWords(); index++) {
     int temp = data[index] | other.data[index];
     changed = changed || (temp != data[index]);
     data[index] = temp;
   }
   return changed;
 }