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