X-Git-Url: https://zdv2.bktei.com/gitweb/EVA-2020-02-2.git/blobdiff_plain/0b149bfc6c839dc37b65c31bc7834a1fc59d60cb..4cc6c622eb92bbc223db977e37bd351f84ef2ee5:/examples/all-in-one-no-pm.py?ds=inline

diff --git a/examples/all-in-one-no-pm.py b/examples/all-in-one-no-pm.py
index db1ca8c..de8ab06 100755
--- a/examples/all-in-one-no-pm.py
+++ b/examples/all-in-one-no-pm.py
@@ -54,7 +54,7 @@ img = Image.new('RGB', (WIDTH, HEIGHT), color=(0, 0, 0))
 draw = ImageDraw.Draw(img)
 path = os.path.dirname(os.path.realpath(__file__))
 font_size = 20
-font = ImageFont.truetype(UserFont, FontSize)
+font = ImageFont.truetype(UserFont, font_size)
 
 message = ""
 
@@ -67,8 +67,9 @@ def display_text(variable, data, unit):
     # Maintain length of list
     values[variable] = values[variable][1:] + [data]
     # Scale the values for the variable between 0 and 1
-    colours = [(v - min(values[variable]) + 1) / (max(values[variable])
-               - min(values[variable]) + 1) for v in values[variable]]
+    vmin = min(values[variable])
+    vmax = max(values[variable])
+    colours = [(v - vmin + 1) / (vmax - vmin + 1) for v in values[variable]]
     # Format the variable name and value
     message = "{}: {:.1f} {}".format(variable[:4], data, unit)
     logging.info(message)
@@ -76,14 +77,12 @@ def display_text(variable, data, unit):
     for i in range(len(colours)):
         # Convert the values to colours from red to blue
         colour = (1.0 - colours[i]) * 0.6
-        r, g, b = [int(x * 255.0) for x in colorsys.hsv_to_rgb(colour,
-                   1.0, 1.0)]
+        r, g, b = [int(x * 255.0) for x in colorsys.hsv_to_rgb(colour, 1.0, 1.0)]
         # Draw a 1-pixel wide rectangle of colour
-        draw.rectangle((i, top_pos, i+1, HEIGHT), (r, g, b))
+        draw.rectangle((i, top_pos, i + 1, HEIGHT), (r, g, b))
         # Draw a line graph in black
-        line_y = HEIGHT - (top_pos + (colours[i] * (HEIGHT - top_pos)))\
-                 + top_pos
-        draw.rectangle((i, line_y, i+1, line_y+1), (0, 0, 0))
+        line_y = HEIGHT - (top_pos + (colours[i] * (HEIGHT - top_pos))) + top_pos
+        draw.rectangle((i, line_y, i + 1, line_y + 1), (0, 0, 0))
     # Write the text at the top in black
     draw.text((0, 0), message, font=font, fill=(0, 0, 0))
     st7735.display(img)