54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
# Needed on case-insensitive filesystems
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from __future__ import absolute_import
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# Try to import PIL in either of the two ways it can be installed.
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try:
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from PIL import Image, ImageDraw
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except ImportError: # pragma: no cover
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import Image
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import ImageDraw
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import qrcode.image.base
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class PilImage(qrcode.image.base.BaseImage):
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"""
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PIL image builder, default format is PNG.
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"""
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kind = "PNG"
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def new_image(self, **kwargs):
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back_color = kwargs.get("back_color", "white")
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fill_color = kwargs.get("fill_color", "black")
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if fill_color.lower() != "black" or back_color.lower() != "white":
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if back_color.lower() == "transparent":
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mode = "RGBA"
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back_color = None
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else:
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mode = "RGB"
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else:
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mode = "1"
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# L mode (1 mode) color = (r*299 + g*587 + b*114)//1000
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if fill_color.lower() == "black": fill_color = 0
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if back_color.lower() == "white": back_color = 255
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img = Image.new(mode, (self.pixel_size, self.pixel_size), back_color)
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self.fill_color = fill_color
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self._idr = ImageDraw.Draw(img)
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return img
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def drawrect(self, row, col):
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box = self.pixel_box(row, col)
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self._idr.rectangle(box, fill=self.fill_color)
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def save(self, stream, format=None, **kwargs):
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if format is None:
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format = kwargs.get("kind", self.kind)
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if "kind" in kwargs:
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del kwargs["kind"]
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self._img.save(stream, format=format, **kwargs)
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def __getattr__(self, name):
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return getattr(self._img, name)
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