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display_pygame_64x128.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 = 128
self.HEIGHT = 64
# Set Temperature Units
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(3) # 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']
# Create canvas
img = Image.new('RGB', (self.WIDTH, self.HEIGHT), color=(0, 0, 0))
# Create drawing object
draw = ImageDraw.Draw(img)
# Grill Temperature (Large Centered)
if(self.units == 'F'):
font = ImageFont.truetype("impact.ttf", 42)
else:
font = ImageFont.truetype("impact.ttf", 38)
text = str(in_data['GrillTemp'])[:5]
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH//2 - font_width//2,0), text, font=font, fill=(255,255,255))
# Active Outputs F = Fan, I = Igniter, A = Auger (Upper Left)
font = ImageFont.truetype("FA-Free-Solid.otf", 24)
if(status_data['outpins']['fan']==0):
text = '\uf863'
draw.text((0, 0), text, font=font, fill=(255,255,255))
if(status_data['outpins']['igniter']==0):
text = '\uf46a'
(font_width, font_height) = font.getsize(text)
draw.text((0, 5 + (64//2 - font_height//2)), text, font=font, fill=(255,255,255))
if(status_data['outpins']['auger']==0):
text = '\uf101'
(font_width, font_height) = font.getsize(text)
draw.text((128 - font_width, 5 + (64//2 - font_height//2)), text, font=font, fill=(255,255,255))
# Current Mode (Bottom Left)
font = ImageFont.truetype("trebuc.ttf", 18)
text = status_data['mode'] + ' Mode'
(font_width, font_height) = font.getsize(text)
draw.text((128//2 - font_width//2, 64 - font_height), text, font=font, fill=(255,255,255))
# Notification Indicator (Upper Right)
font = ImageFont.truetype("FA-Free-Solid.otf", 24)
text = ' '
for item in status_data['notify_req']:
if status_data['notify_req'][item] == True:
text = '\uf0f3'
(font_width, font_height) = font.getsize(text)
draw.text((self.WIDTH - font_width, 0), text, font=font, fill=(255,255,255))
# 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 DisplaySplash(self):
# Create canvas
screen = Image.new('RGB', (self.WIDTH, self.HEIGHT), color=0)
splash = Image.open('color-boot-splash.png')
splash = Image.open('color-boot-splash.png') \
.transform((self.WIDTH, self.HEIGHT), Image.AFFINE, (1, 0, 0, 0, 1, 0), Image.BILINEAR) \
.convert("L") \
.convert("1")
(splash_width, splash_height) = splash.size
splash_width *= 2
splash_height *= 2
splashSize = splash.size
screen.paste(splash, (32, 0, splashSize[0]+32, splashSize[1]))
# Convert to PyGame and Display
strFormat = screen.mode
size = screen.size
raw_str = screen.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((128//2 - font_width//2, 64//2 - font_height//2), text, font=font, fill=(255,255,255))
# 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 EventDetect(self):
return()