changed graph font

raspberry-pi/gui/graph.py

@@ -1,9 +1,9 @@
 import tkinter as tk
 import time, math
-from PIL import Image, ImageDraw, ImageTk
+from PIL import Image, ImageDraw, ImageTk, ImageFont
 
 class Graph(tk.Canvas):
-  def __init__(self, root, scale=(-100, 500), **kwargs):
+  def __init__(self, root, scale=(-100, 550), **kwargs):
     self.root = root
     tk.Canvas.__init__(self, root, **kwargs)
     self.height = self.winfo_reqheight()
@@ -11,6 +11,7 @@ class Graph(tk.Canvas):
     self.lastPoints = [(0, 0)] * 3
     self.scale = scale
     self.colors = [(100, 255, 100, 255), (255, 100, 100, 255) ,(100, 100, 255, 255)]
+    self.font = ImageFont.truetype("gui/SourceSansPro-Semibold.otf", 12)
     self.lineWidth = 1
     
     self.drawBackground()
@@ -36,9 +37,9 @@ class Graph(tk.Canvas):
       draw.line([(tickPosX[0], tickPosX[1]+self.lineWidth*3), (tickPosX[0], tickPosX[1]-self.lineWidth*3)], (60,127,127), int(self.lineWidth/2))
       draw.line([(tickPosY[0]+self.lineWidth*3, tickPosY[1]), (tickPosY[0]-self.lineWidth*3, tickPosY[1])], (60,127,127), int(self.lineWidth/2))
 
-      draw.text((tickPosX[0]+3, tickPosX[1]+self.lineWidth*4), str(p) + " mm")
+      draw.text((tickPosX[0]+3, tickPosX[1]+self.lineWidth*4), str(p) + " mm", font=self.font)
       if p != 0:
-        draw.text((tickPosY[0]-self.lineWidth*4-30, tickPosY[1]), str(p) + " mm")
+        draw.text((tickPosY[0]-self.lineWidth*4-35, tickPosY[1]), str(p) + " mm", font=self.font)
 
   def on_resize(self,event):
     self.width = max(100, event.width-4)