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