remove indirection for RxingResultPoint

Previously, the struct was passed around everywhere as a
reference. It only holds two floats, so there's no real
need for indirection. Now it's being passed as a value.

src/common/bit_matrix.rs

@@ -212,7 +212,7 @@ impl BitMatrix {
         ((self.bits[offset] >> (x & 0x1f)) & 1) != 0
     }
 
-    pub fn get_point(&self, point: &RXingResultPoint) -> bool {
+    pub fn get_point(&self, point: RXingResultPoint) -> bool {
         self.get(point.x as u32, point.y as u32)
         // let offset = self.get_offset(point.y as u32, point.x as u32);
         // ((self.bits[offset] >> (x & 0x1f)) & 1) != 0
@@ -700,7 +700,7 @@ impl BitMatrix {
         new_bm
     }
 
-    pub fn isIn(&self, p: &RXingResultPoint, b: i32) -> bool {
+    pub fn isIn(&self, p: RXingResultPoint, b: i32) -> bool {
         b as f32 <= p.x
             && p.x < self.getWidth() as f32 - b as f32
             && b as f32 <= p.y

src/common/detector/white_rectangle_detector.rs

@@ -280,7 +280,7 @@ impl<'a> WhiteRectangleDetector<'_> {
                 return Err(Exceptions::NotFoundException(None));
             }
 
-            Ok(self.center_edges(&y.unwrap(), &z.unwrap(), &x.unwrap(), &t.unwrap()))
+            Ok(self.center_edges(y.unwrap(), z.unwrap(), x.unwrap(), t.unwrap()))
         } else {
             Err(Exceptions::NotFoundException(None))
         }
@@ -322,10 +322,10 @@ impl<'a> WhiteRectangleDetector<'_> {
      */
     fn center_edges(
         &self,
-        y: &RXingResultPoint,
-        z: &RXingResultPoint,
-        x: &RXingResultPoint,
-        t: &RXingResultPoint,
+        y: RXingResultPoint,
+        z: RXingResultPoint,
+        x: RXingResultPoint,
+        t: RXingResultPoint,
     ) -> [RXingResultPoint; 4] {
         //
         //       t            t