Lots of minor improvements
Switched from using bitmap images to png images for images with transparency mask (event, today, weekday). Also, using a custom processing function that processes the generated image so it can be displayed much better on the E-Paper Display.
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@@ -11,14 +11,13 @@ from __future__ import print_function
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import calendar
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from datetime import datetime, date, timedelta
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from time import sleep
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from settings import *
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from icon_positions_locations import *
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from dateutil.rrule import *
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from dateutil.parser import parse
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import re
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from settings import *
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from icon_positions_locations import *
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from PIL import Image, ImageDraw, ImageFont, ImageOps
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import pyowm
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from ics import Calendar
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@@ -63,8 +62,7 @@ def main():
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"""Create a blank white page, for debugging, change mode to
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to 'RGB' and and save the image by uncommenting the image.save
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line at the bottom"""
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image = Image.new('L', (EPD_HEIGHT, EPD_WIDTH), 'white')
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draw = (ImageDraw.Draw(image)).bitmap
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image = Image.new('RGB', (EPD_HEIGHT, EPD_WIDTH), 'white')
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"""Draw the icon with the current month's name"""
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image.paste(im_open(mpath+str(time.strftime("%B")+'.jpeg')), monthplace)
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@@ -77,12 +75,12 @@ def main():
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if (week_starts_on == "Monday"):
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calendar.setfirstweekday(calendar.MONDAY)
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image.paste(weekmon, weekplace)
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draw(weekdaysmon[(time.strftime("%a"))], weekday)
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image.paste(weekday, weekdaysmon[(time.strftime("%a"))], weekday)
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if (week_starts_on == "Sunday"):
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calendar.setfirstweekday(calendar.SUNDAY)
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image.paste(weeksun, weekplace)
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draw(weekdayssun[(time.strftime("%a"))], weekday)
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image.paste(weekday, weekdayssun[(time.strftime("%a"))], weekday)
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"""Using the built-in calendar function, draw icons for each
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number of the month (1,2,3,...28,29,30)"""
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@@ -113,8 +111,8 @@ def main():
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else:
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x = int((box_width / 2) - (text_width / 2))
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y = int((box_height / 2) - (text_height / 2))
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space = Image.new('L', (box_width, box_height), color=255)
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ImageDraw.Draw(space).text((x, y), text, fill=0, font=font)
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space = Image.new('RGB', (box_width, box_height), color='white')
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ImageDraw.Draw(space).text((x, y), text, fill='black', font=font)
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image.paste(space, tuple)
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""" Handling Openweathermap API"""
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@@ -240,14 +238,14 @@ def main():
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text=text[0:-1]
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text_width, text_height = font.getsize(text)
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y = int((box_height / 2) - (text_height / 2))
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space = Image.new('L', (box_width, box_height), color=255)
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ImageDraw.Draw(space).text((0, y), text, fill=0, font=font)
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space = Image.new('RGB', (box_width, box_height), color='white')
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ImageDraw.Draw(space).text((0, y), text, fill='black', font=font)
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image.paste(space, tuple)
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"""Write event dates and names on the E-Paper"""
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if len(cal) == 5:
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del upcoming[6:]
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for dates in range(len(upcoming)):
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readable_date = datetime.strptime(upcoming[dates]['date'], '%Y %m %d').strftime('%-d %b')
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write_text(70, 25, readable_date, date_positions['d'+str(dates+1)])
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@@ -256,7 +254,7 @@ def main():
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if len(cal) == 6:
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del upcoming[4:]
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for dates in range(len(upcoming)):
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readable_date = datetime.strptime(upcoming[dates]['date'], '%Y %m %d').strftime('%-d %b')
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write_text(70, 25, readable_date, date_positions['d'+str(dates+3)])
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@@ -266,49 +264,78 @@ def main():
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"""Draw smaller squares on days with events"""
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for numbers in events_this_month:
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if numbers in cal[0]:
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draw(positions['a'+str(cal[0].index(numbers)+1)], eventicon)
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image.paste(eventicon, positions['a'+str(cal[0].index(numbers)+1)], eventicon)
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if numbers in cal[1]:
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draw(positions['b'+str(cal[1].index(numbers)+1)], eventicon)
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image.paste(eventicon, positions['b'+str(cal[1].index(numbers)+1)], eventicon)
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if numbers in cal[2]:
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draw(positions['c'+str(cal[2].index(numbers)+1)], eventicon)
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image.paste(eventicon, positions['c'+str(cal[2].index(numbers)+1)], eventicon)
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if numbers in cal[3]:
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draw(positions['d'+str(cal[3].index(numbers)+1)], eventicon)
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image.paste(eventicon, positions['d'+str(cal[3].index(numbers)+1)], eventicon)
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if numbers in cal[4]:
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draw(positions['e'+str(cal[4].index(numbers)+1)], eventicon)
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image.paste(eventicon, positions['e'+str(cal[4].index(numbers)+1)], eventicon)
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if len(cal) == 6:
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if numbers in cal[5]:
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draw(positions['f'+str(cal[5].index(numbers)+1)], eventicon)
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image.paste(eventicon, positions['f'+str(cal[5].index(numbers)+1)], eventicon)
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"""Draw a larger square on today's date"""
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today = time.day
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if today in cal[0]:
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draw(positions['a'+str(cal[0].index(today)+1)], dateicon)
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image.paste(dateicon, positions['a'+str(cal[0].index(today)+1)], dateicon)
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if today in cal[1]:
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draw(positions['b'+str(cal[1].index(today)+1)], dateicon)
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image.paste(dateicon, positions['b'+str(cal[1].index(today)+1)], dateicon)
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if today in cal[2]:
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draw(positions['c'+str(cal[2].index(today)+1)], dateicon)
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image.paste(dateicon, positions['c'+str(cal[2].index(today)+1)], dateicon)
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if today in cal[3]:
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draw(positions['d'+str(cal[3].index(today)+1)], dateicon)
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image.paste(dateicon, positions['d'+str(cal[3].index(today)+1)], dateicon)
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if today in cal[4]:
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draw(positions['e'+str(cal[4].index(today)+1)], dateicon)
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image.paste(dateicon, positions['e'+str(cal[4].index(today)+1)], dateicon)
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if len(cal) == 6:
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if today in cal[5]:
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draw(positions['f'+str(cal[5].index(today)+1)], dateicon)
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image.paste(dateicon, positions['f'+str(cal[5].index(today)+1)], dateicon)
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print('Initialising E-Paper Display')
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epd.init()
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sleep(5)
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print('Converting image to data and sending it to the display')
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print('This will take about a minute...'+'\n')
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epd.display_frame(epd.get_frame_buffer(image.rotate(270, expand=1)))
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# Uncomment following line to save image
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#image.save(path+'test.png')
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"""
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The function below will take care of displaying the image correctly on E-Paper-Displays. It works by analysing
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2 bands of each pixel (for example, red and green) and re-writes the values in a way so the image only contains
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3 colours, without anytyhing in between. As a result, the image looks much more better on E-Paper.
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Currently in beta-phase.
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"""
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def display_corrected_image(image):
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# Uncomment following line to save the unprocessed image
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# image.save(path+'before.bmp')
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width, height = image.size
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pixels = image.load()
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# To-Do: Use lambda instead of double-loop
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for x in range(width):
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for y in range(height):
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pixel = image.getpixel((x, y))
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red = pixel[0]
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green = pixel[1]
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if red > 240 and green > 240: #white
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pixels[x, y] = (255, 255, 255)
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elif red > 250 and green < 180: #red
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pixels[x, y] = (255, 0, 0)
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else:
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pixels[x, y] = (0, 0, 0)
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# Uncomment following line to save the processed image
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image.save(path+'after.bmp')
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print('Initialising E-Paper Display')
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epd.init()
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sleep(5)
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print('Converting image to data and sending it to the display')
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print('This will take about a minute...'+'\n')
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epd.display_frame(epd.get_frame_buffer(image.rotate(270, expand=1)))
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print('Data sent successfully')
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print('______Powering off the E-Paper until the next loop______'+'\n')
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epd.sleep()
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del image
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display_improved_image(image)
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del events_this_month[:]
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del upcoming[:]
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print('Data sent successfully')
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print('______Powering off the E-Paper until the next loop______'+'\n')
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epd.sleep()
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for i in range(1):
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nexthour = ((60 - int(time.strftime("%-M")))*60) - (int(time.strftime("%-S")))
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sleep(nexthour)
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