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- import qrcode.image.base
- from PIL import Image, ImageDraw
- class PilImage(qrcode.image.base.BaseImage):
- """
- PIL image builder, default format is PNG.
- """
- kind = "PNG"
- def new_image(self, **kwargs):
- if not Image:
- raise ImportError("PIL library not found.")
- back_color = kwargs.get("back_color", "white")
- fill_color = kwargs.get("fill_color", "black")
- try:
- fill_color = fill_color.lower()
- except AttributeError:
- pass
- try:
- back_color = back_color.lower()
- except AttributeError:
- pass
- # L mode (1 mode) color = (r*299 + g*587 + b*114)//1000
- if fill_color == "black" and back_color == "white":
- mode = "1"
- fill_color = 0
- if back_color == "white":
- back_color = 255
- elif back_color == "transparent":
- mode = "RGBA"
- back_color = None
- else:
- mode = "RGB"
- img = Image.new(mode, (self.pixel_size, self.pixel_size), back_color)
- self.fill_color = fill_color
- self._idr = ImageDraw.Draw(img)
- return img
- def drawrect(self, row, col):
- box = self.pixel_box(row, col)
- self._idr.rectangle(box, fill=self.fill_color)
- def save(self, stream, format=None, **kwargs):
- kind = kwargs.pop("kind", self.kind)
- if format is None:
- format = kind
- self._img.save(stream, format=format, **kwargs)
- def __getattr__(self, name):
- return getattr(self._img, name)
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