#!/usr/bin/python3 # -*- coding: utf-8 -*- """ Layout module for Inky-Calendar software. Copyright by aceisace """ import logging class layout: """Page layout handling""" logger = logging.getLogger(__name__) logging.basicConfig(level=logging.DEBUG) def __init__(self, model=None, width=None, height=None, supports_colour=False): """Initialize parameters for specified epaper model Use model parameter to specify display OR Crate a custom display with given width and height""" self.background_colour = 'white' self.text_colour = 'black' if (model != None) and (width == None) and (height == None): display_dimensions = { 'epd_7_in_5_v2_colour': (800, 400), 'epd_7_in_5_v2': (800, 400), 'epd_7_in_5_colour': (640, 384), 'epd_7_in_5': (640, 384), 'epd_5_in_83_colour': (600, 448), 'epd_5_in_83': (600, 448), 'epd_4_in_2_colour': (400, 300), 'epd_4_in_2': (400, 300), } self.display_height, self.display_width = display_dimensions[model] if 'colour' in model: self.three_colour_support = True elif width and height: self.display_height = width self.display_width = height self.supports_colour = supports_colour else: print("Can't create a layout without given sizes") raise self.top_section_width = self.display_width self.middle_section_width = self.display_width self.bottom_section_width = self.display_width self.create_sections() def create_sections(self, top_section=0.10, middle_section=0.65, bottom_section=0.25): """Allocate fixed percentage height for top and middle section e.g. 0.2 = 20% (Leave empty for default values) Set top/bottom_section to 0 to allocate more space for the middle section """ scale = lambda percentage: round(percentage * self.display_height) if top_section == 0 or bottom_section == 0: if top_section == 0: self.top_section_height = 0 if bottom_section == 0: self.bottom_section_height = 0 self.middle_section_height = scale(1 - top_section - bottom_section) else: if top_section + middle_section + bottom_section > 1.0: print('All percentages should add up to max 100%, not more!') raise self.top_section_height = scale(top_section) self.middle_section_height = scale(middle_section) self.bottom_section_height = (self.display_height - self.top_section_height - self.middle_section_height) logging.debug('top-section size: {} x {} px'.format( self.top_section_width, self.top_section_height)) logging.debug('middle-section size: {} x {} px'.format( self.middle_section_width, self.middle_section_height)) logging.debug('bottom-section size: {} x {} px'.format( self.bottom_section_width, self.bottom_section_height)) def get_section_size(self, section): """Enter top/middle/bottom to get the size of the section as a tuple: (width, height)""" if section not in ['top','middle','bottom']: raise Exception('Invalid section: ', section) else: if section == 'top': size = (self.top_section_width, self.top_section_height) elif section == 'middle': size = (self.middle_section_width, self.middle_section_height) elif section == 'bottom': size = (self.bottom_section_width, self.bottom_section_height) return size