83 lines
2.9 KiB
Python
83 lines
2.9 KiB
Python
|
class inkycal_layout:
|
||
|
|
"""Page layout handling"""
|
||
|
|
|
||
|
|
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' # Move to inkycal_rendering
|
||
|
|
self.text_colour = 'black' # Move to inkycal_rendering
|
||
|
|
|
||
|
|
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)
|
||
|
|
|
||
|
|
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']:
|
||
|
|
print('Invalid section: ', section)
|
||
|
|
raise
|
||
|
|
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
|