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display_pygame_240x320.py
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#!/usr/bin/env python3
# *****************************************
# PiFire Display Interface Library
# *****************************************
#
# Description: This library supports using pygame
# on your development PC for debug and development
# purposes. Likely only works in an desktop
# environment. Tested on Ubuntu 20.04.
#
# Edit the WIDTH / HEIGHT constants below to
# simulate your screen size.
#
# Dependancies:
# sudo pip3 install pygame Pillow
# sudo apt install ttf-mscorefonts-installer
#
# *****************************************
# *****************************************
# Imported Libraries
# *****************************************
import pygame
from PIL import Image, ImageDraw, ImageFont
import time
class Display:
def __init__(self, units='F'):
# Set Display Width and Height. Modify for your needs.
self.WIDTH = 320
self.HEIGHT = 240
self.units = units
# Activate PyGame
pygame.init()
# Create Display Surface
self.display_surface = pygame.display.set_mode((self.WIDTH, self.HEIGHT))
# set the pygame window name
pygame.display.set_caption('PiFire Device Display')
self.DisplaySplash()
time.sleep(0.5) # Keep the splash up for three seconds on boot-up - you can certainly disable this if you want
def DisplayStatus(self, in_data, status_data):
self.units = status_data['units'] # Update units in case there was a change since instantiation
# Create canvas
img = Image.new('RGB', (self.WIDTH, self.HEIGHT), color=(0, 0, 0))
background = Image.open('background.jpg')
# Resize the boot-splash
background = background.resize((self.WIDTH, self.HEIGHT))
# Set the position
position = (0,0)
# Paste the splash screen onto the canvas
img.paste(background, position)
# Create drawing object
draw = ImageDraw.Draw(img)
# Grill Temp Circle
draw.ellipse((80, 10, 240, 170), fill=(50, 50, 50)) # Grey Background Circle
if in_data['GrillTemp'] < 0:
endpoint = 0
elif self.units == 'F':
endpoint = ((360*in_data['GrillTemp']) // 600) + 90
else:
endpoint = ((360*in_data['GrillTemp']) // 300) + 90
draw.pieslice((80, 10, 240, 170), start=90, end=endpoint, fill=(200, 0, 0)) # Red Arc for Temperature
if (in_data['GrillSetPoint'] > 0):
if self.units == 'F':
setpoint = ((360*in_data['GrillSetPoint']) // 600) + 90
else:
setpoint = ((360*in_data['GrillSetPoint']) // 300) + 90
draw.pieslice((80, 10, 240, 170), start=setpoint-2, end=setpoint+2, fill=(255, 255, 0)) # Yellow Arc for SetPoint
draw.ellipse((90, 20, 230, 160), fill=(0, 0, 0)) # Black Circle for Center
# Grill Temp Label
font = ImageFont.truetype("trebuc.ttf", 16)
text = "Grill"
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH//2 - font_width//2,20), text, font=font, fill=(255,255,255))
# Grill Set Point (Small Centered Top)
if (in_data['GrillSetPoint'] > 0):
font = ImageFont.truetype("trebuc.ttf", 16)
text = ">" + str(in_data['GrillSetPoint'])[:5] + "<"
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH//2 - font_width//2, 45 - font_height//2), text, font=font, fill=(0,200,255))
# Grill Temperature (Large Centered)
if(self.units == 'F'):
font = ImageFont.truetype("trebuc.ttf", 80)
text = str(in_data['GrillTemp'])[:5]
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH//2 - font_width//2,40), text, font=font, fill=(255,255,255))
else:
font = ImageFont.truetype("trebuc.ttf", 55)
text = str(in_data['GrillTemp'])[:5]
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH//2 - font_width//2,56), text, font=font, fill=(255,255,255))
# Draw Grill Temp Scale Label
text = "°" + self.units
font = ImageFont.truetype("trebuc.ttf", 24)
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH//2 - font_width//2, self.HEIGHT//2 - font_height//2 + 10), text, font=font, fill=(255, 255, 255))
# PROBE1 Temp Circle
draw.ellipse((10, self.HEIGHT//2 + 10, 110, self.HEIGHT//2 + 110), fill=(50, 50, 50))
if in_data['Probe1Temp'] < 0:
endpoint = 0
elif self.units == 'F':
endpoint = ((360*in_data['Probe1Temp']) // 300) + 90
else:
endpoint = ((360*in_data['Probe1Temp']) // 150) + 90
draw.pieslice((10, self.HEIGHT//2 + 10, 110, self.HEIGHT//2 + 110), start=90, end=endpoint, fill=(3, 161, 252))
if (in_data['Probe1SetPoint'] > 0):
if self.units == 'F':
setpoint = ((360*in_data['Probe1SetPoint']) // 300) + 90
else:
setpoint = ((360*in_data['Probe1SetPoint']) // 150) + 90
draw.pieslice((10, self.HEIGHT//2 + 10, 110, self.HEIGHT//2 + 110), start=setpoint-2, end=setpoint+2, fill=(255, 255, 0)) # Yellow Arc for SetPoint
draw.ellipse((20, self.HEIGHT//2 + 20, 100, self.HEIGHT//2 + 100), fill=(0, 0, 0))
# PROBE1 Temp Label
font = ImageFont.truetype("trebuc.ttf", 16)
text = "Probe-1"
(font_width, font_height) = font.getsize(text)
draw.text((60 - font_width//2, self.HEIGHT//2 + 40 - font_height//2), text, font=font, fill=(255,255,255))
# PROBE1 Temperature (Large Centered)
if(self.units == 'F'):
font = ImageFont.truetype("trebuc.ttf", 36)
else:
font = ImageFont.truetype("trebuc.ttf", 30)
text = str(in_data['Probe1Temp'])[:5]
(font_width, font_height) = font.getsize(text)
draw.text((60 - font_width//2, self.HEIGHT//2 + 60 - font_height//2), text, font=font, fill=(255,255,255))
# PROBE1 Set Point (Small Centered Bottom)
if (in_data['Probe1SetPoint'] > 0):
font = ImageFont.truetype("trebuc.ttf", 16)
text = ">" + str(in_data['Probe1SetPoint'])[:5] + "<"
(font_width, font_height) = font.getsize(text)
draw.text((60 - font_width//2, self.HEIGHT//2 + 85 - font_height//2), text, font=font, fill=(0,200,255))
# PROBE2 Temp Circle
draw.ellipse((self.WIDTH - 110, self.HEIGHT//2 + 10, self.WIDTH - 10, self.HEIGHT//2 + 110), fill=(50, 50, 50))
if in_data['Probe2Temp'] < 0:
endpoint = 0
elif self.units == 'F':
endpoint = ((360*in_data['Probe2Temp']) // 300) + 90
else:
endpoint = ((360*in_data['Probe2Temp']) // 150) + 90
draw.pieslice((self.WIDTH - 110, self.HEIGHT//2 + 10, self.WIDTH - 10, self.HEIGHT//2 + 110), start=90, end=endpoint, fill=(3, 161, 252))
if (in_data['Probe2SetPoint'] > 0):
if self.units == 'F':
setpoint = ((360*in_data['Probe2SetPoint']) // 300) + 90
else:
setpoint = ((360*in_data['Probe2SetPoint']) // 150) + 90
draw.pieslice((self.WIDTH - 110, self.HEIGHT//2 + 10, self.WIDTH - 10, self.HEIGHT//2 + 110), start=setpoint-2, end=setpoint+2, fill=(255, 255, 0)) # Yellow Arc for SetPoint
draw.ellipse((self.WIDTH - 100, self.HEIGHT//2 + 20, self.WIDTH - 20, self.HEIGHT//2 + 100), fill=(0, 0, 0))
# PROBE2 Temp Label
font = ImageFont.truetype("trebuc.ttf", 16)
text = "Probe-2"
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH - 60 - font_width//2, self.HEIGHT//2 + 40 - font_height//2), text, font=font, fill=(255,255,255))
# PROBE2 Temperature (Large Centered)
if(self.units == 'F'):
font = ImageFont.truetype("trebuc.ttf", 36)
else:
font = ImageFont.truetype("trebuc.ttf", 30)
text = str(in_data['Probe2Temp'])[:5]
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH - 60 - font_width//2, self.HEIGHT//2 + 60 - font_height//2), text, font=font, fill=(255,255,255))
# PROBE2 Set Point (Small Centered Bottom)
if (in_data['Probe2SetPoint'] > 0):
font = ImageFont.truetype("trebuc.ttf", 16)
text = ">" + str(in_data['Probe2SetPoint'])[:5] + "<"
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH - 60 - font_width//2, self.HEIGHT//2 + 85 - font_height//2), text, font=font, fill=(0,200,255))
# Active Outputs
font = ImageFont.truetype("FA-Free-Solid.otf", 36)
if(status_data['outpins']['fan']==0):
#F = Fan (Upper Left), 40x40, origin 10,10
text = '\uf863'
(font_width, font_height) = font.getsize(text)
draw = self.rounded_rectangle(draw, (self.WIDTH//8 - 22, self.HEIGHT//6 - 22, self.WIDTH//8 + 22, self.HEIGHT//6 + 22), 5, (0, 100, 255))
draw = self.rounded_rectangle(draw, (self.WIDTH//8 - 20, self.HEIGHT//6 - 20, self.WIDTH//8 + 20, self.HEIGHT//6 + 20), 5, (0, 0, 0))
draw.text((self.WIDTH//8 - font_width//2 + 1, self.HEIGHT//6 - font_height//2), text, font=font, fill=(0,100,255))
if(status_data['outpins']['igniter']==0):
# I = Igniter(Center Right)
text = '\uf46a'
(font_width, font_height) = font.getsize(text)
draw = self.rounded_rectangle(draw, (7*(self.WIDTH//8) - 22, self.HEIGHT//2.5 - 22, 7*(self.WIDTH//8) + 22, self.HEIGHT//2.5 + 22), 5, (255, 200, 0))
draw = self.rounded_rectangle(draw, (7*(self.WIDTH//8) - 20, self.HEIGHT//2.5 - 20, 7*(self.WIDTH//8) + 20, self.HEIGHT//2.5 + 20), 5, (0, 0, 0))
draw.text((7*(self.WIDTH//8) - font_width//2, self.HEIGHT//2.5 - font_height//2), text, font=font, fill=(255,200,0))
if(status_data['outpins']['auger']==0):
# A = Auger (Center Left)
text = '\uf101'
(font_width, font_height) = font.getsize(text)
draw = self.rounded_rectangle(draw, (self.WIDTH//8 - 22, self.HEIGHT//2.5 - 22, self.WIDTH//8 + 22, self.HEIGHT//2.5 + 22), 5, (0, 255, 0))
draw = self.rounded_rectangle(draw, (self.WIDTH//8 - 20, self.HEIGHT//2.5 - 20, self.WIDTH//8 + 20, self.HEIGHT//2.5 + 20), 5, (0, 0, 0))
draw.text((self.WIDTH//8 - font_width//2 + 1, self.HEIGHT//2.5 - font_height//2 - 2), text, font=font, fill=(0,255,0))
# Notification Indicator (Right)
show_notify_indicator = False
for item in status_data['notify_req']:
if status_data['notify_req'][item] == True:
show_notify_indicator = True
if(show_notify_indicator == True):
font = ImageFont.truetype("FA-Free-Solid.otf", 36)
text = '\uf0f3'
(font_width, font_height) = font.getsize(text)
draw = self.rounded_rectangle(draw, (7*(self.WIDTH//8) - 22, self.HEIGHT//6 - 22, 7*(self.WIDTH//8) + 22, self.HEIGHT//6 + 22), 5, (255,255,0))
draw = self.rounded_rectangle(draw, (7*(self.WIDTH//8) - 20, self.HEIGHT//6 - 20, 7*(self.WIDTH//8) + 20, self.HEIGHT//6 + 20), 5, (0, 0, 0))
draw.text((7*(self.WIDTH//8) - font_width//2 + 1, self.HEIGHT//6 - font_height//2), text, font=font, fill=(255,255,0))
# Smoke Plus Inidicator
if(status_data['s_plus'] == True) and ((status_data['mode']=='Smoke') or (status_data['mode']=='Hold')):
draw = self.rounded_rectangle(draw, (7*(self.WIDTH//8) - 22, self.HEIGHT//2.5 - 22, 7*(self.WIDTH//8) + 22, self.HEIGHT//2.5 + 22), 5, (150, 0, 255))
draw = self.rounded_rectangle(draw, (7*(self.WIDTH//8) - 20, self.HEIGHT//2.5 - 20, 7*(self.WIDTH//8) + 20, self.HEIGHT//2.5 + 20), 5, (0, 0, 0))
font = ImageFont.truetype("FA-Free-Solid.otf", 32)
text = '\uf0c2' # FontAwesome Icon for Cloud (Smoke)
(font_width, font_height) = font.getsize(text)
draw.text((7*(self.WIDTH//8) - font_width//2, self.HEIGHT//2.5 - font_height//2), text, font=font, fill=(100,0,255))
font = ImageFont.truetype("FA-Free-Solid.otf", 24)
text = '\uf067' # FontAwesome Icon for PLUS
(font_width, font_height) = font.getsize(text)
draw.text((7*(self.WIDTH//8) - font_width//2, self.HEIGHT//2.5 - font_height//2 + 3), text, font=font, fill=(0,0,0))
# Grill Hopper Level (Lower Center)
font = ImageFont.truetype("trebuc.ttf", 16)
text = "Hopper:" + str(status_data['hopper_level']) + "%"
(font_width, font_height) = font.getsize(text)
if(status_data['hopper_level'] > 70):
hopper_color = (0,255,0)
elif(status_data['hopper_level'] > 30):
hopper_color = (255,150,0)
else:
hopper_color = (255,0,0)
draw = self.rounded_rectangle(draw, (self.WIDTH//2 - font_width//2 - 7, 156 - font_height//2, self.WIDTH//2 + font_width//2 + 7, 166 + font_height//2), 5, hopper_color)
draw = self.rounded_rectangle(draw, (self.WIDTH//2 - font_width//2 - 5, 158 - font_height//2, self.WIDTH//2 + font_width//2 + 5, 164 + font_height//2), 5, (0,0,0))
draw.text((self.WIDTH//2 - font_width//2, 160 - font_height//2), text, font=font, fill=hopper_color)
# Current Mode (Bottom Center)
font = ImageFont.truetype("trebuc.ttf", 36)
text = status_data['mode'] #+ ' Mode'
(font_width, font_height) = font.getsize(text)
draw = self.rounded_rectangle(draw, (self.WIDTH//2 - font_width//2 - 7, self.HEIGHT - font_height - 2, self.WIDTH//2 + font_width//2 + 7, self.HEIGHT-2), 5, (3, 161, 252))
draw = self.rounded_rectangle(draw, (self.WIDTH//2 - font_width//2 - 5, self.HEIGHT - font_height, self.WIDTH//2 + font_width//2 + 5, self.HEIGHT-4), 5, (255,255,255))
draw.text((self.WIDTH//2 - font_width//2, self.HEIGHT - font_height - 6), text, font=font, fill=(0,0,0))
# Convert to PyGame and Display
strFormat = img.mode
size = img.size
raw_str = img.tobytes("raw", strFormat)
self.display_image = pygame.image.fromstring(raw_str, size, strFormat)
self.display_surface.fill((255,255,255))
self.display_surface.blit(self.display_image, (0, 0))
pygame.display.update()
def DisplaySplash(self):
# Create canvas
img = Image.new('RGB', (self.WIDTH, self.HEIGHT), color=(0, 0, 0))
splash = Image.open('color-boot-splash.png')
(splash_width, splash_height) = splash.size
splash_width *= 2
splash_height *= 2
# Resize the boot-splash
splash = splash.resize((splash_width, splash_height))
# Set the position
position = ((self.WIDTH - splash_width)//2, (self.HEIGHT - splash_height)//2)
# Paste the splash screen onto the canvas
img.paste(splash, position)
# Convert to PyGame and Display
strFormat = img.mode
size = img.size
raw_str = img.tobytes("raw", strFormat)
self.display_image = pygame.image.fromstring(raw_str, size, strFormat)
self.display_surface.fill((255,255,255))
self.display_surface.blit(self.display_image, (0, 0))
pygame.display.update()
def ClearDisplay(self):
# Fill with black
self.display_surface.fill((0,0,0))
pygame.display.update()
def DisplayText(self, text):
# Create canvas
img = Image.new('RGB', (self.WIDTH, self.HEIGHT), color=(0, 0, 0))
# Create drawing object
draw = ImageDraw.Draw(img)
font = ImageFont.truetype("impact.ttf", 42)
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH//2 - font_width//2, self.HEIGHT//2 - font_height//2), text, font=font, fill=255)
# Convert to PyGame and Display
strFormat = img.mode
size = img.size
raw_str = img.tobytes("raw", strFormat)
self.display_image = pygame.image.fromstring(raw_str, size, strFormat)
self.display_surface.fill((255,255,255))
self.display_surface.blit(self.display_image, (0, 0))
pygame.display.update()
def rounded_rectangle(self, draw, xy, rad, fill=None):
x0, y0, x1, y1 = xy
draw.rectangle([ (x0, y0 + rad), (x1, y1 - rad) ], fill=fill)
draw.rectangle([ (x0 + rad, y0), (x1 - rad, y1) ], fill=fill)
draw.pieslice([ (x0, y0), (x0 + rad * 2, y0 + rad * 2) ], 180, 270, fill=fill)
draw.pieslice([ (x1 - rad * 2, y1 - rad * 2), (x1, y1) ], 0, 90, fill=fill)
draw.pieslice([ (x0, y1 - rad * 2), (x0 + rad * 2, y1) ], 90, 180, fill=fill)
draw.pieslice([ (x1 - rad * 2, y0), (x1, y0 + rad * 2) ], 270, 360, fill=fill)
return(draw)
def EventDetect(self):
return()