83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
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from DesignEntity import DesignEntity
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from Assets import path as application_path
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from PIL import Image, ExifTags
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class ImageDesign (DesignEntity):
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"""Creates a TableDesign filled with rss post
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date and title"""
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def __init__ (self, size, path, fill = "none", color="RGBA", dither=None): # fill: "none" : original size, "stretch" : strech to fill, "scale" : scale to fill, "border" : scale until one side touches border
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super(ImageDesign, self).__init__(size)
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self.set_path(path)
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self.fill = fill
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self.color = color
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self.dither = dither
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def set_path (self, path):
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path = path.replace('\\', '/')
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if path[0] != '/' and ':' not in path[0:3]:
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path = application_path + '/' + path
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self.path = path
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def __finish_image__ (self):
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img = Image.open(self.path)
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img = img.convert(self.color, dither=self.dither)
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img = self.__fix_orientation__(img)
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img = self.__resize_image__(img)
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pos = self.__get_centered_position__(img)
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self.__init_image__("#00000000")
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self.draw(img, pos)
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def __resize_image__(self, img):
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if self.fill is "none":
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return img
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if self.fill is "stretch":
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img = img.resize(self.size, resample=Image.LANCZOS)
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if self.fill is "scale":
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size = self.size
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img_proportions = img.width / img.height
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if img_proportions < size[0] / size[1]:
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size = (size[0], int(size[0] * (1 / img_proportions)))
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else:
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size = (int(size[1] * img_proportions), size[1])
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img = img.resize(size, resample=Image.LANCZOS)
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if self.fill is "border":
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size = self.size
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img_proportions = img.width / img.height
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if img_proportions < size[0] / size[1]:
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size = (int(size[1] * img_proportions), size[1])
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else:
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size = (size[0], int(size[0] * (1 / img_proportions)))
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img = img.resize(size, resample=Image.LANCZOS)
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return img
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def __get_centered_position__(self, img):
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screen_size = self.size
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img_size = img.size
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delta_size = [s - i for s, i in zip(screen_size, img_size)]
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delta_center_pos = [s / 2 for s in delta_size]
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return delta_center_pos
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def __fix_orientation__(self, img):
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if "parsed_exif" not in img.info.keys():
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return img
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for orientation in ExifTags.TAGS.keys():
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if ExifTags.TAGS[orientation]=='Orientation':
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break
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exif=img.info["parsed_exif"]
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if exif[orientation] == 3:
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img = img.rotate(180, expand=True)
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elif exif[orientation] == 6:
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img = img.rotate(270, expand=True)
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elif exif[orientation] == 8:
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img = img.rotate(90, expand=True)
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return img
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