def get(self, request):
color_bg = (get_color(), get_color(), get_color())
image = Image.new(mode='RGB', size=(100, 50), color=color_bg)
imagedraw = ImageDraw(image, mode='RGB')
the_code = get_txt()
upper_code = the_code.upper()
request.session["the_code"] = upper_code
font = ImageFont.truetype("C:\Windows\Fonts\simsunb.ttf", 50)
for i in range(4):
fill = (get_color(), get_color(), get_color())
imagedraw.text(xy=(25 * i, 0),
text=the_code[i],
fill=fill,
font=font)
for i in range(1000):
fill = (get_color(), get_color(), get_color())
xy = (random.randrange(201), random.randrange(100))
imagedraw.point(xy=xy, fill=fill)
imagedraw.arc(
(random.randrange(0, 10), 6, 100, random.randrange(70, 100)),
random.randrange(0, 180),
random.randrange(250, 360),
fill=get_color())
fp = BytesIO()
image.save(fp, "png")
return HttpResponse(fp.getvalue(), content_type="image/png")
def getcode(request):
mode = 'RGB'
size = [200, 100]
color_bg = getcolor()
image = Image.new(mode=mode, size=size, color=color_bg)
imagedraw = ImageDraw(image, mode=mode)
iamgefont = ImageFont.truetype(settings.FONT_PATH, 30)
verify_code = 'Come'
for i in range(len(verify_code)):
# file text填充色
fill = getcolor()
imagedraw.text(xy=(30 * i, 30), text=verify_code[i], font=iamgefont, fill=fill)
# 干扰点
for i in range(1000):
xy = (random.randrange(size[0]), random.randrange(size[1]))
fill = getcolor()
imagedraw.point(xy=xy, fill=fill)
# 画圆 xy区域，四元数组 start int end int 圆经过strat和end
start = random.randrange(size[0])
end = random.randrange(size[1])
fill = getcolor()
imagedraw.arc(xy=(0, 0, 200, 100), start=start, end=end, fill=fill)
for i in range(10):
imagedraw.line(xy=(
random.randrange(size[0]), random.randrange(size[1]), (random.randrange(size[0]), random.randrange(size[1]))),
fill=getcolor())
fp = BytesIO()
image.save(fp, 'png')
cache.set('code', verify_code)
return HttpResponse(fp.getvalue(), content_type='image/png')
def draw_arc(draw: ImageDraw.ImageDraw, target, offset=(0, 0), scale=1.0):
# check
# calc
x0 = (target['center']['x'] - target['radius']) * scale + offset[0]
x1 = (target['center']['x'] + target['radius']) * scale + offset[0]
y0 = (target['center']['y'] - target['radius']) * scale + offset[1]
y1 = (target['center']['y'] + target['radius']) * scale + offset[1]
start = target['range']['start']
end = target['range']['end']
# draw
draw.arc([(int(x0), int(y0)), (int(x1), int(y1))], start, end)
def draw_rounded_rectangle(draw: ImageDraw, xy, corner_radius, fill=None, outline=None, width=None):
rad = corner_radius
upper_left = xy[0]
bottom_right = xy[1]
draw.rectangle(
[
(upper_left[0], upper_left[1] + rad),
(bottom_right[0], bottom_right[1] - rad)
],
fill=fill,
)
draw.rectangle(
[
(upper_left[0] + rad, upper_left[1]),
(bottom_right[0] - rad, bottom_right[1])
],
fill=fill,
)
draw.pieslice([upper_left, (upper_left[0] + rad * 2, upper_left[1] + rad * 2)],
180, 270, fill=fill
)
draw.pieslice([(bottom_right[0] - rad * 2, bottom_right[1] - rad * 2), bottom_right],
0, 90, fill=fill
)
draw.pieslice([(upper_left[0], bottom_right[1] - rad * 2), (upper_left[0] + rad * 2, bottom_right[1])],
90, 180, fill=fill
)
draw.pieslice([(bottom_right[0] - rad * 2, upper_left[1]), (bottom_right[0], upper_left[1] + rad * 2)],
270, 360, fill=fill
)
border_delta = width/2 - 1
if width > 0:
draw.line([(upper_left[0] + rad, upper_left[1] + border_delta), (bottom_right[0] - rad, upper_left[1] + border_delta)],
fill=outline, width=width)
draw.line([(bottom_right[0] - border_delta, upper_left[1] + rad), (bottom_right[0] - border_delta, bottom_right[1] - rad)],
fill=outline, width=width)
draw.line([(bottom_right[0] - rad, bottom_right[1] - border_delta), (upper_left[0] + rad, bottom_right[1] - border_delta)],
fill=outline, width=width)
draw.line([(upper_left[0] + border_delta, bottom_right[1] - rad), (upper_left[0] + border_delta, upper_left[1] + rad)],
fill=outline, width=width)
draw.arc([upper_left, (upper_left[0] + rad * 2, upper_left[1] + rad * 2)],
180, 270, fill=outline, width=width)
draw.arc([(bottom_right[0] - rad * 2, upper_left[1]), (bottom_right[0], upper_left[1] + rad * 2)],
270, 360, fill=outline, width=width)
draw.arc([(bottom_right[0] - rad * 2, bottom_right[1] - rad * 2), bottom_right],
0, 90, fill=outline, width=width)
draw.arc([(upper_left[0], bottom_right[1] - rad * 2), (upper_left[0] + rad * 2, bottom_right[1])],
90, 180, fill=outline, width=width)
