50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
from pymaging import Image
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from pymaging.colors import RGB
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from pymaging.formats import registry
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from pymaging.shapes import Line
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from pymaging.webcolors import Black, White
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from pymaging_png.png import PNG
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import qrcode.image.base
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class PymagingImage(qrcode.image.base.BaseImage):
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"""
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pymaging image builder, default format is PNG.
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"""
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kind = "PNG"
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allowed_kinds = ("PNG",)
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def __init__(self, *args, **kwargs):
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"""
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Register PNG with pymaging.
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"""
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registry.formats = []
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registry.names = {}
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registry._populate()
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registry.register(PNG)
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super(PymagingImage, self).__init__(*args, **kwargs)
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def new_image(self, **kwargs):
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return Image.new(RGB, self.pixel_size, self.pixel_size, White)
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def drawrect(self, row, col):
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(x, y), (x2, y2) = self.pixel_box(row, col)
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for r in range(self.box_size):
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line_y = y + r
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line = Line(x, line_y, x2, line_y)
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self._img.draw(line, Black)
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def save(self, stream, kind=None):
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self._img.save(stream, self.check_kind(kind))
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def check_kind(self, kind, transform=None, **kwargs):
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"""
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pymaging (pymaging_png at least) uses lower case for the type.
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"""
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if transform is None:
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transform = lambda x: x.lower()
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return super(PymagingImage, self).check_kind(
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kind, transform=transform, **kwargs)
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