Merge pull request adafruit#57 from FoamyGuy/fix_anchor_when_text_is_scaled

fix for anchored_position to work correctly with scaled label

Author: makermelissa

adafruit_display_text/label.py

@@ -79,6 +79,10 @@ def __init__(
         padding_right=0,
         **kwargs
     ):
+        if "scale" in kwargs.keys():
+            self._scale = kwargs["scale"]
+        else:
+            self._scale = 1
         if not max_glyphs and not text:
             raise RuntimeError("Please provide a max size, or initial text")
         if not max_glyphs:
@@ -361,13 +365,15 @@ def anchored_position(self):
 
     @anchored_position.setter
     def anchored_position(self, new_position):
-        self.x = int(
+        new_x = int(
             new_position[0]
-            - self._boundingbox[0]
-            - self._anchor_point[0] * self._boundingbox[2]
+            - self._anchor_point[0] * (self._boundingbox[2] * self._scale)
         )
-        self.y = int(
+        new_y = self.y = int(
             new_position[1]
-            - self._boundingbox[1]
-            - self._anchor_point[1] * self._boundingbox[3]
+            - self._anchor_point[1] * (self._boundingbox[3] * self._scale)
+            + (self._boundingbox[3] * self._scale) / 2
         )
+        self._boundingbox = (new_x, new_y, self._boundingbox[2], self._boundingbox[3])
+        self.x = new_x
+        self.y = new_y