109 lines
2.8 KiB
Python
109 lines
2.8 KiB
Python
#!python3
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"""
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Image module for Inkycal Project
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Copyright by aceisace
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"""
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from inkycal.modules.template import inkycal_module
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from inkycal.custom import *
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from inkycal.modules.inky_image import Inkyimage as Images
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filename = os.path.basename(__file__).split('.py')[0]
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logger = logging.getLogger(filename)
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class Inkyimage(inkycal_module):
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"""Displays an image from URL or local path
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"""
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name = "Inkycal Image - show an image from a URL or local path"
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requires = {
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"path": {
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"label": "Path to a local folder, e.g. /home/pi/Desktop/images. "
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"Only PNG and JPG/JPEG images are used for the slideshow."
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},
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"palette": {
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"label": "Which palette should be used for converting images?",
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"options": ["bw", "bwr", "bwy"]
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}
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}
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optional = {
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"autoflip": {
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"label": "Should the image be flipped automatically?",
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"options": [True, False]
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},
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"orientation": {
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"label": "Please select the desired orientation",
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"options": ["vertical", "horizontal"]
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}
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}
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def __init__(self, config):
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"""Initialize module"""
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super().__init__(config)
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config = config['config']
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# required parameters
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for param in self.requires:
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if not param in config:
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raise Exception(f'config is missing {param}')
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# optional parameters
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self.path = config['path']
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self.palette = config['palette']
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self.autoflip = config['autoflip']
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self.orientation = config['orientation']
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# give an OK message
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print(f'{filename} loaded')
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def generate_image(self):
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"""Generate image for this module"""
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# Define new image size with respect to padding
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im_width = int(self.width - (2 * self.padding_left))
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im_height = int(self.height - (2 * self.padding_top))
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im_size = im_width, im_height
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logger.info(f'Image size: {im_size}')
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# initialize custom image class
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im = Images()
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# use the image at the first index
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im.load(self.path)
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# Remove background if present
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im.remove_alpha()
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# if autoflip was enabled, flip the image
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if self.autoflip == True:
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im.autoflip(self.orientation)
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# resize the image so it can fit on the epaper
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im.resize(width=im_width, height=im_height)
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# convert images according to specified palette
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im_black, im_colour = im.to_palette(self.palette)
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# with the images now send, clear the current image
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im.clear()
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# return images
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return im_black, im_colour
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if __name__ == '__main__':
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print(f'running {filename} in standalone/debug mode')
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