9517017365
With the new folder structure, users can now easily clone the repo with git clone. The need for renaming and shifting folders is now gone.
192 lines
6.7 KiB
Python
192 lines
6.7 KiB
Python
#!/usr/bin/python3
|
|
# -*- coding: utf-8 -*-
|
|
"""
|
|
Advanced configuration options for Inky-Calendar software.
|
|
Contains some useful functions for correctly rendering text,
|
|
calibrating (E-Paper display), checking internet connectivity
|
|
|
|
Copyright by aceisace
|
|
"""
|
|
from PIL import Image, ImageDraw, ImageFont, ImageColor
|
|
import numpy
|
|
from urllib.request import urlopen
|
|
from settings import language
|
|
from pytz import timezone
|
|
import os
|
|
from glob import glob
|
|
|
|
"""Set the image background colour and text colour"""
|
|
background_colour = 'white'
|
|
text_colour = 'black'
|
|
|
|
"""Set the display height and width (in pixels)"""
|
|
display_height, display_width = 640, 384
|
|
|
|
"""Create 3 sections of the display, based on percentage"""
|
|
top_section_width = middle_section_width = bottom_section_width = display_width
|
|
|
|
top_section_height = int(display_height*0.11)
|
|
middle_section_height = int(display_height*0.65)
|
|
bottom_section_height = int(display_height - middle_section_height -
|
|
top_section_height)
|
|
|
|
"""Find out the y-axis position of each section"""
|
|
top_section_offset = 0
|
|
middle_section_offset = top_section_height
|
|
bottom_section_offset = display_height - bottom_section_height
|
|
|
|
"""Get the relative path of the Inky-Calendar folder"""
|
|
path = os.path.dirname(os.path.abspath(__file__)).replace("\\", "/")
|
|
if path != "" and path[-1] != "/":
|
|
path += "/"
|
|
while not path.endswith('/Inky-Calendar/'):
|
|
path = ''.join(list(path)[:-1])
|
|
|
|
"""Select path for saving temporary image files"""
|
|
image_path = path + 'images/'
|
|
|
|
"""Fonts handling"""
|
|
fontpath = path+'fonts/'
|
|
NotoSansCJK = fontpath+'NotoSansCJK/NotoSansCJKsc-'
|
|
NotoSans = fontpath+'NotoSans/NotoSans-SemiCondensed'
|
|
weatherfont = fontpath+'WeatherFont/weathericons-regular-webfont.ttf'
|
|
|
|
"""Automatically select correct fonts to support set language"""
|
|
if language in ['ja','zh','zh_tw','ko']:
|
|
default = ImageFont.truetype(NotoSansCJK+'Regular.otf', 18)
|
|
semi = ImageFont.truetype(NotoSansCJK+'Medium.otf', 18)
|
|
bold = ImageFont.truetype(NotoSansCJK+'Bold.otf', 18)
|
|
else:
|
|
default = ImageFont.truetype(NotoSans+'.ttf', 18)
|
|
semi = ImageFont.truetype(NotoSans+'Medium.ttf', 18)
|
|
bold = ImageFont.truetype(NotoSans+'SemiBold.ttf', 18)
|
|
|
|
w_font = ImageFont.truetype(weatherfont, 10)
|
|
|
|
"""Create image with given parameters"""
|
|
image = Image.new('RGB', (display_width, display_height), background_colour)
|
|
draw = ImageDraw.Draw(image)
|
|
|
|
"""Custom function to add text on an image"""
|
|
def write_text(space_width, space_height, text, tuple,
|
|
font=default, alignment='middle', autofit = False, fill_width = 1.0,
|
|
fill_height = 0.8, colour = text_colour, rotation = None):
|
|
|
|
if autofit == True or fill_width != 1.0 or fill_height != 0.8:
|
|
size = 8
|
|
font = ImageFont.truetype(font.path, size)
|
|
text_width, text_height = font.getsize(text)
|
|
while text_width < int(space_width * fill_width) and text_height < int(space_height * fill_height):
|
|
size += 1
|
|
font = ImageFont.truetype(font.path, size)
|
|
text_width, text_height = font.getsize(text)
|
|
|
|
text_width, text_height = font.getsize(text)
|
|
|
|
while (text_width, text_height) > (space_width, space_height):
|
|
text=text[0:-1]
|
|
text_width, text_height = font.getsize(text)
|
|
if alignment is "" or "middle" or None:
|
|
x = int((space_width / 2) - (text_width / 2))
|
|
if alignment is 'left':
|
|
x = 0
|
|
if font != w_font:
|
|
y = int((space_height / 2) - (text_height / 1.7))
|
|
else:
|
|
y = y = int((space_height / 2) - (text_height / 2))
|
|
|
|
space = Image.new('RGBA', (space_width, space_height))
|
|
ImageDraw.Draw(space).text((x, y), text, fill=colour, font=font)
|
|
if rotation != None:
|
|
space.rotate(rotation, expand = True)
|
|
image.paste(space, tuple, space)
|
|
|
|
def clear_image(section, colour = background_colour):
|
|
"""Clear the image"""
|
|
width, height = eval(section+'_width'), eval(section+'_height')
|
|
position = (0, eval(section+'_offset'))
|
|
box = Image.new('RGB', (width, height), colour)
|
|
image.paste(box, position)
|
|
|
|
def crop_image(input_image, section):
|
|
"""Crop an input image to the desired section"""
|
|
x1, y1 = 0, eval(section+'_offset')
|
|
x2, y2 = eval(section+'_width'), y1 + eval(section+'_height')
|
|
image = input_image.crop((x1,y1,x2,y2))
|
|
return image
|
|
|
|
def text_wrap(text, font=default, line_width = display_width):
|
|
"""Split long text into smaller lists"""
|
|
counter, padding = 0, 40
|
|
lines = []
|
|
if font.getsize(text)[0] < line_width:
|
|
lines.append(text)
|
|
else:
|
|
for i in range(1, len(text.split())+1):
|
|
line = ' '.join(text.split()[counter:i])
|
|
if not font.getsize(line)[0] < line_width - padding:
|
|
lines.append(line)
|
|
line, counter = '', i
|
|
if i == len(text.split()) and line != '':
|
|
lines.append(line)
|
|
return lines
|
|
|
|
|
|
def draw_square(tuple, radius, width, height, colour=text_colour, line_width=1):
|
|
"""Draws a square with round corners at position (x,y) from tuple"""
|
|
x, y, diameter = tuple[0], tuple[1], radius*2
|
|
line_length = width - diameter
|
|
|
|
p1, p2 = (x+radius, y), (x+radius+line_length, y)
|
|
p3, p4 = (x+width, y+radius), (x+width, y+radius+line_length)
|
|
p5, p6 = (p2[0], y+height), (p1[0], y+height)
|
|
p7, p8 = (x, p4[1]), (x,p3[1])
|
|
c1, c2 = (x,y), (x+diameter, y+diameter)
|
|
c3, c4 = ((x+width)-diameter, y), (x+width, y+diameter)
|
|
c5, c6 = ((x+width)-diameter, (y+height)-diameter), (x+width, y+height)
|
|
c7, c8 = (x, (y+height)-diameter), (x+diameter, y+height)
|
|
|
|
draw.line( (p1, p2) , fill=colour, width = line_width)
|
|
draw.line( (p3, p4) , fill=colour, width = line_width)
|
|
draw.line( (p5, p6) , fill=colour, width = line_width)
|
|
draw.line( (p7, p8) , fill=colour, width = line_width)
|
|
draw.arc( (c1, c2) , 180, 270, fill=colour, width=line_width)
|
|
draw.arc( (c3, c4) , 270, 360, fill=colour, width=line_width)
|
|
draw.arc( (c5, c6) , 0, 90, fill=colour, width=line_width)
|
|
draw.arc( (c7, c8) , 90, 180, fill=colour, width=line_width)
|
|
|
|
def internet_available():
|
|
"""check if the internet is available"""
|
|
try:
|
|
urlopen('https://google.com',timeout=5)
|
|
return True
|
|
except URLError as err:
|
|
return False
|
|
|
|
|
|
def get_tz():
|
|
"""Get the system timezone"""
|
|
with open('/etc/timezone','r') as file:
|
|
lines = file.readlines()
|
|
system_tz = lines[0].rstrip()
|
|
local_tz = timezone(system_tz)
|
|
return local_tz
|
|
|
|
def fix_ical(ical_url):
|
|
"""Use iCalendars in compatability mode (without alarms)"""
|
|
ical = str(urlopen(ical_url).read().decode())
|
|
beginAlarmIndex = 0
|
|
while beginAlarmIndex >= 0:
|
|
beginAlarmIndex = ical.find('BEGIN:VALARM')
|
|
if beginAlarmIndex >= 0:
|
|
endAlarmIndex = ical.find('END:VALARM')
|
|
ical = ical[:beginAlarmIndex] + ical[endAlarmIndex+12:]
|
|
return ical
|
|
|
|
def image_cleanup():
|
|
"""Delete all files in the image folder"""
|
|
print('Cleanup of previous images...', end = '')
|
|
for temp_files in glob(image_path+'*'):
|
|
os.remove(temp_files)
|
|
print('Done')
|