going for v0.3.0

Author: trevorwslee

dumbdisplay/_ddlayer.py

@@ -93,8 +93,15 @@ def margin(self, left, top = None, right = None, bottom = None):
       self.dd._sendCommand(self.layer_id, "margin", str(left), str(top), str(right), str(bottom))
   def noMargin(self):
     self.dd._sendCommand(self.layer_id, "margin")
-  def backgroundColor(self, color):
-    self.dd._sendCommand(self.layer_id, "bgcolor", _DD_COLOR_ARG(color))
+  def backgroundColor(self, color, opacity = 100):
+    '''
+    :param opacity: background opacity (0 - 100)
+    :return:
+    '''
+    if opacity < 100:
+      self.dd._sendCommand(self.layer_id, "bgcolor", _DD_COLOR_ARG(color), str(opacity))
+    else:
+      self.dd._sendCommand(self.layer_id, "bgcolor", _DD_COLOR_ARG(color))
   def noBackgroundColor(self):
     self.dd._sendCommand(self.layer_id, "nobgcolor")
   def clear(self):

samples/neopixels/main.py

@@ -109,15 +109,15 @@ def ShowNeoPixels(*pixels):
 
 r_7seg_layer = Layer7SegmentRow(dd,2)
 r_7seg_layer.border(10, "black")
-r_7seg_layer.noBackgroundColor()
+r_7seg_layer.backgroundColor("white", 50)
 
 g_7seg_layer = Layer7SegmentRow(dd,2)
 g_7seg_layer.border(10, "black")
-g_7seg_layer.noBackgroundColor()
+g_7seg_layer.backgroundColor("white", 50)
 
 b_7seg_layer = Layer7SegmentRow(dd,2)
 b_7seg_layer.border(10, "black")
-b_7seg_layer.noBackgroundColor()
+b_7seg_layer.backgroundColor("white", 50)
 
 # create a graphical layer (LayerGraphical) to show the color set using the following sliders
 color_layer = LayerGraphical(dd, 255, 255)