93 lines
2.8 KiB
Python
Executable File
93 lines
2.8 KiB
Python
Executable File
"""
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Inkycal Image Module
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Copyright by aceinnolab
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"""
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from inkycal.custom import *
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from inkycal.modules.inky_image import image_to_palette
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from inkycal.modules.inky_image import Inkyimage as Images
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from inkycal.modules.template import inkycal_module
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logger = logging.getLogger(__name__)
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class Inkyimage(inkycal_module):
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"""Displays an image from URL or local path"""
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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": {"label": "Which palette should be used for converting images?", "options": ["bw", "bwr", "bwy"]},
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}
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optional = {
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"autoflip": {"label": "Should the image be flipped automatically?", "options": [True, False]},
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"orientation": {"label": "Please select the desired orientation", "options": ["vertical", "horizontal"]},
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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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self.dither = True
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if "dither" in config and config["dither"] == False:
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self.dither = False
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# give an OK message
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print(f"{__name__} 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:
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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 = image_to_palette(image=im.image.convert("RGB"), palette=self.palette, dither=self.dither)
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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 {__name__} in standalone/debug mode")
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