def remove_line(giffile,savepath):
(img,pixdata) = open_img(giffile)
for x in range(img.size[0]):
for y in range(img.size[1]):
if pixdata[x,y][0]<8 or pixdata[x,y][1]<6 or pixdata[x,y][2]<8 or (pixdata[x,y][0]+pixdata[x,y][1]+pixdata[x,y][2])<=30:
if y==0:
pixdata[x, y] = (255, 255, 255)
if y>0:
if pixdata[x, y-1][0] > 120 or pixdata[x, y-1][1] > 136 or pixdata[x, y-1][2] > 120:
pixdata[x,y] = (255,255,255)
#?????
for y in range(img.size[1]): # ???????????R=95?G=95?B=95
for x in range(img.size[0]):
if pixdata[x, y][0] < 160 and pixdata[x, y][1] < 160 and pixdata[x, y][2] < 160:
pixdata[x, y] = (0, 0, 0)
else:
pixdata[x, y] = (255, 255, 255)
img.filter(ImageFilter.EDGE_ENHANCE_MORE)#????(????)
img.resize(((img.size[0])*2,(img.size[1])*2),Image.BILINEAR)#Image.BILINEAR??????????????
img.save(savepath)
python类EDGE_ENHANCE_MORE的实例源码
def remove_line(giffile, savepath):
(img, pixdata) = open_img(giffile)
for x in range(img.size[0]): #x??
for y in range(img.size[1]): #y??
if pixdata[x, y][0] < 8 or pixdata[x, y][1] < 6 or pixdata[x, y][2] < 8 or (
pixdata[x, y][0] + pixdata[x, y][1] + pixdata[x, y][2]) <= 30: #??????
if y == 0:
pixdata[x, y] = (255, 255, 255)
if y > 0:
if pixdata[x, y - 1][0] > 120 or pixdata[x, y - 1][1] > 136 or pixdata[x, y - 1][2] > 120:
pixdata[x, y] = (255, 255, 255) #?
# ?????
for y in range(img.size[1]): # ???????????R=95?G=95?B=95
for x in range(img.size[0]):
if pixdata[x, y][0] < 160 and pixdata[x, y][1] < 160 and pixdata[x, y][2] < 160:
pixdata[x, y] = (0, 0, 0)
else:
pixdata[x, y] = (255, 255, 255)
img.filter(ImageFilter.EDGE_ENHANCE_MORE) #?????????????????????????????????????
img.resize(((img.size[0]) * 2, (img.size[1]) * 2), Image.BILINEAR) # Image.BILINEAR??????????????#?
img.save(savepath+'captcha_removeline.gif')
#?????????????????????dot_num?
def get(self):
if self.draw_lines:
self._create_lines()
if self.draw_points:
self._create_points()
code_str = self._create_code_str()
# ??????
params = [1 - float(random.randint(1, 2)) / 100,
0,
0,
0,
1 - float(random.randint(1, 10)) / 100,
float(random.randint(1, 2)) / 500,
0.001,
float(random.randint(1, 2)) / 500
]
img = self.img.transform(self.size, Image.PERSPECTIVE, params) # ????
img = img.filter(ImageFilter.EDGE_ENHANCE_MORE) # ?????????????
return img, code_str
def create_validate_code(self,
size=(120, 30),
chars=init_chars,
img_type="GIF",
mode="RGB",
bg_color=(255, 255, 255),
fg_color=(0, 0, 255),
font_size=18,
font_type=fontType,
length=4,
draw_lines=True,
n_line=(1, 2),
draw_points=True,
point_chance=2):
width, height = size
img = Image.new(mode, size, bg_color)
draw = ImageDraw.Draw(img)
if draw_lines:
self.create_lines(draw, n_line, width, height)
if draw_points:
self.create_points(draw, point_chance, width, height)
strs = self.create_strs(draw, chars, length, font_type, font_size,
width, height, fg_color)
params = [1 - float(randint(1, 2)) / 100, 0, 0, 0,
1 - float(randint(1, 10)) / 100, float(randint(1, 2)) / 500,
0.001, float(randint(1, 2)) / 500]
img = img.transform(size, Image.PERSPECTIVE, params)
img = img.filter(ImageFilter.EDGE_ENHANCE_MORE)
return img, strs
def code_img(code, size):
r = Random()
code = code
len_code = len(code)
font = ImageFont.truetype("Essence_Sans.ttf", size)
font_width, font_height = font.getsize(code)
font_width += size / 2
print font_width, font_height
img = Image.new("RGBA", (font_width, font_height), (255,) * 4)
draw = ImageDraw.ImageDraw(img)
draw.text((size/10, -size/10), code, font=font, fill=(0, 0, 0))
params = [1,
0,
0,
0,
1 - float(r.randint(1, 10)) / 100,
0,
0.001,
float(r.randint(1, 2)) / 500
]
print params
img = img.transform((font_width, font_height), Image.PERSPECTIVE, params)
img = img.filter(ImageFilter.EDGE_ENHANCE_MORE)
img.save("test.jpg")
def rd_check_code(width=120, height=30, char_length=5, font_file='kumo.ttf', font_size=28):
code = []
img = Image.new(mode='RGB', size=(width, height), color=(255, 255, 255))
draw = ImageDraw.Draw(img, mode='RGB')
def rndChar():
"""
??????
:return:
"""
return chr(random.randint(65, 90))
def rndColor():
"""
??????
:return:
"""
return (random.randint(0, 255), random.randint(10, 255), random.randint(64, 255))
# ???
font = ImageFont.truetype(font_file, font_size)
for i in range(char_length):
char = rndChar()
code.append(char)
h = random.randint(0, 4)
draw.text([i * width / char_length, h], char, font=font, fill=rndColor())
# ????
for i in range(40):
draw.point([random.randint(0, width), random.randint(0, height)], fill=rndColor())
# ?????
for i in range(40):
draw.point([random.randint(0, width), random.randint(0, height)], fill=rndColor())
x = random.randint(0, width)
y = random.randint(0, height)
draw.arc((x, y, x + 4, y + 4), 0, 90, fill=rndColor())
# ????
for i in range(5):
x1 = random.randint(0, width)
y1 = random.randint(0, height)
x2 = random.randint(0, width)
y2 = random.randint(0, height)
draw.line((x1, y1, x2, y2), fill=rndColor())
img = img.filter(ImageFilter.EDGE_ENHANCE_MORE)
return img, ''.join(code)
def create_validate_code(size=(120, 30),
chars=init_chars,
img_type="GIF",
mode="RGB",
bg_color=(245, 245, 245),
fg_color=color_random,
font_size=24,
font_type=fontType,
length=4,
draw_lines=True,
n_line=(1, 2),
draw_points=True,
point_chance=2):
'''
@todo: ???????
@param size: ?????????????????(120, 30)
@param chars: ?????????????
@param img_type: ???????????GIF?????GIF?JPEG?TIFF?PNG
@param mode: ????????RGB
@param bg_color: ??????????
@param fg_color: ?????????????????#0000FF
@param font_size: ???????
@param font_type: ????????? ae_AlArabiya.ttf
@param length: ???????
@param draw_lines: ??????
@param n_lines: ?????????????????(1, 2)???draw_lines?True???
@param draw_points: ??????
@param point_chance: ?????????????[0, 100]
@return: [0]: PIL Image??
@return: [1]: ??????????
'''
width, height = size # ?? ?
img = Image.new(mode, size, bg_color) # ????
draw = ImageDraw.Draw(img) # ????
if draw_lines:
create_lines(draw, n_line, width, height)
if draw_points:
create_points(draw, point_chance, width, height)
strs = create_strs(draw, chars, length, font_type, font_size, width, height, fg_color())
# ??????
params = [1 - float(random.randint(1, 2)) / 100,
0,
0,
0,
1 - float(random.randint(1, 10)) / 100,
float(random.randint(1, 2)) / 500,
0.001,
float(random.randint(1, 2)) / 500
]
img = img.transform(size, Image.PERSPECTIVE, params) # ????
img = img.filter(ImageFilter.EDGE_ENHANCE_MORE) # ?????????????
return img, strs
