wip

luma/lcd/device.py

@@ -482,7 +482,7 @@ def display(self, image):
             self.command(0x2B, top >> 8, top & 0xFF, (bottom - 1) >> 8, (bottom - 1) & 0xFF)     # Set row addr
             self.command(0x2C)                                                                   # Memory write
 
-            self.data(image.tobytes())
+            self.data(list(image.tobytes()))
 
     def contrast(self, level):
         """
@@ -1020,16 +1020,16 @@ def display(self, image):
         for image_segment, bounding_box in self.framebuffer.redraw(image):
             self._cleanup_custom(image_segment)
             # Expand bounding box to align to cell boundaries (5,8)
-            x0, y0, x1, y1 = bounding_box
-            x0 = x0 // 5 * 5
-            x1 = x1 // 5 * 5 if not x1 % 5 else (x1 // 5 + 1) * 5
-            y0 = y0 // 8 * 8
-            y1 = y1 // 8 * 8 if not y1 % 8 else (y1 // 8 + 1) * 8
-            bounding_box = (x0, y0, x1, y1)
-
-            for j in range(y0 // 8, y1 // 8):
+            left, top, right, bottom = bounding_box
+            left = left // 5 * 5
+            right = right // 5 * 5 if not right % 5 else (right // 5 + 1) * 5
+            top = top // 8 * 8
+            bottom = bottom // 8 * 8 if not bottom % 8 else (bottom // 8 + 1) * 8
+            bounding_box = (left, top, right, bottom)
+
+            for j in range(top // 8, bottom // 8):
                 buf = []
-                for i in range(x0 // 5, x1 // 5):
+                for i in range(left // 5, right // 5):
                     img = image.crop((i * 5, j * 8, (i + 1) * 5, (j + 1) * 8))
                     bytes = img.tobytes()
                     c = self.glyph_index[bytes] if bytes in self.glyph_index else \
@@ -1038,7 +1038,7 @@ def display(self, image):
                         self._make_custom(img)
                         c = self._custom.get(bytes, ord(self._undefined))
                     buf.append(c)
-                self.command(self._const.DDRAMADDR | (self._const.LINES[j] + (x0 // 5)))
+                self.command(self._const.DDRAMADDR | (self._const.LINES[j] + (left // 5)))
                 self.data(buf)
 
     def _make_custom(self, img):