changing to anchor point

moving to anchor point instead of cx and cy

Author: FoamyGuy

adafruit_display_text/label.py

@@ -174,19 +174,26 @@ def text(self, new_text):
         self._update_text(new_text)
 
     @property
-    def cx(self):
-        """Center X of the Label """
-        return self.x + self._boundingbox[2]/2
-
-    @property 
-    def cy(self):
-         """Center Y of the Label """
-         return self.y + self._boundingbox[3]/2
-
-    @cx.setter
-    def cx(self, new_cx):
-        self.x = int(new_cx-(self._boundingbox[2]/2))
-
-    @cy.setter
-    def cy(self, new_cy):
-        self.y = int(new_cy-(self._boundingbox[3]/2))
+    def anchor_point(self):
+        """Point that anchored_position moves relative to.
+           Tuple with decimal percentage of width and height.
+           (E.g. (0,0) is top left, (1.0, 0.5): is middle right.)"""
+        return self._anchor_point
+
+    @anchor_point.setter
+    def anchor_point(self, new_anchor_point):
+        self._anchor_point = new_anchor_point
+
+    @property
+    def anchored_position(self):
+        """Position relative to the anchor_point. Tuple containing x,y
+           pixel coordinates."""
+        _anchored_position = (
+            self.x-self._boundingbox[2]*self._anchor_point[0],
+            self.y-self._boundingbox[3]*self._anchor_point[1])
+        return _anchored_position
+
+    @anchored_position.setter
+    def anchored_position(self, new_position):
+        self.x = int(new_position[0]-(self._boundingbox[2]*self._anchor_point[0]))
+        self.y = int(new_position[1]-(self._boundingbox[3]*self._anchor_point[1]))