-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathapi.py
executable file
·212 lines (206 loc) · 8.97 KB
/
api.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import Image,ImageDraw,ImageFont,ImageFilter,ImageEnhance
import os
from string import upper
import hashlib
import random
import time
from math import sqrt
def txt2pic(msg,
font=['c:\Windows\Fonts\simhei.ttf'],
fontsize=32,
background=None,
bgcolor=None,
fgcolor=None,
padding=4,
filters={},
trans=[],
re_size=None,
filename=None):
"""
"函数将msg字符串生成一张图片
"fontsize是字体大小，默认32×32
"font是字体，随机显示每个文字的字体
"filetype文件格式，默认PNG，可自动根据文件后缀名判断类型
"imgfilter变换（可以是多个，如果多个就都做）
加背景
加噪声
文字旋转
文字拉伸/缩小
加模糊
效果（各种滤镜）
"background为背景图片，默认没有
"bgcolor是背景颜色，默认为白色
"fgcolor是文字颜色，默认为黑色
"padding是图片文字的top,right,bottom,left间距，
" 可以接受int类型和tuple类型，
" tuple类型取前4位
"""
#处理函数参数
"msg = msg if isinstance(msg,str) else str(msg)"
"""font_path
Linux: /usr/share/fonts/
Max OS: /Library/Fonts/
Windows: C:\Windows\Fonts\
"""
fontsize = fontsize if isinstance(fontsize,int) else 32
try:
font = [ImageFont.truetype(x,fontsize) for x in font]
except IOError,e:
return '%s' % e
try:
bg = Image.open(background)
except (AttributeError,IOError):
bg = None
if isinstance(bgcolor,tuple) and len(bgcolor) == 4 and (0,0,0,0) <= bgcolor <= (255,255,255,255):
pass
else:
bgcolor = (255,255,255,255)
if isinstance(fgcolor,tuple) and len(fgcolor) == 3 and (0,0,0) <= fgcolor <= (255,255,255):
pass
else:
fgcolor = (0,0,0)
#文字间距
if isinstance(padding,tuple):
pl = len(padding)
padding = [x if isinstance(x,int) and x >= 0 else 3 for x in padding] * 4
padding = padding[:4]
top,right,bottom,left = padding
if pl == 3:
left = right
elif isinstance(padding,int):
top = right = bottom = left = padding
else:
top = right = bottom = left = 3
w,h = font[0].getsize(msg[0])
w = w + right + left
h = h + top + bottom
num_p_l = int(sqrt(len(msg)-1))+1
im = Image.new('RGBA',(h*num_p_l,h*num_p_l),bgcolor)
if bg:
im.paste(bg.crop((0,0,h*num_p_l,h*num_p_l)))
#print text
d = ImageDraw.Draw(im)
cur_left = left + (h-w)/2
cur_top = top
for i in range(len(msg)):
d.text((cur_left,cur_top),msg[i],font=font[random.randint(0,len(font)-1 )],fill=fgcolor)
if i % num_p_l == num_p_l - 1:
cur_top += h
cur_left = left + (h-w)/2
else: cur_left += h
del cur_left
del cur_top
del d
#filters
if isinstance(filters,dict):
#BLUR, CONTOUR, DETAIL, EDGE_ENHANCE, EDGE_ENHANCE_MORE, EMBOSS, FIND_EDGES, SMOOTH, SMOOTH_MORE, SHARPEN, NOISE
for x in filters.keys():
if upper(x) == 'BLUR':
for i in range(filters[x]): im = im.filter( ImageFilter.BLUR )
elif upper(x) == 'CONTOUR':
for i in range(filters[x]): im = im.filter( ImageFilter.CONTOUR )
elif upper(x) == 'DETAIL':
for i in range(filters[x]): im = im.filter( ImageFilter.DETAIL )
elif upper(x) == 'EDGE_ENHANCE':
for i in range(filters[x]): im = im.filter( ImageFilter.EDGE_ENHANCE )
elif upper(x) == 'EDGE_ENHANCE_MORE':
for i in range(filters[x]): im = im.filter( ImageFilter.EDGE_ENHANCE_MORE )
elif upper(x) == 'EMBOSS':
for i in range(filters[x]): im = im.filter( ImageFilter.EMBOSS )
elif upper(x) == 'FIND_EDGES':
for i in range(filters[x]): im = im.filter( ImageFilter.FIND_EDGES )
elif upper(x) == 'SMOOTH':
for i in range(filters[x]): im = im.filter( ImageFilter.SMOOTH )
elif upper(x) == 'SMOOTH_MORE':
for i in range(filters[x]): im = im.filter( ImageFilter.SMOOTH_MORE )
elif upper(x) == 'SHARPEN':
for i in range(filters[x]): im = im.filter( ImageFilter.SHARPEN )
elif upper(x) == 'NOISE':
#散点噪音
d = ImageDraw.Draw(im)
for i in range(im.size[0]):
for j in range(im.size[1]):
flag = random.randint(0,filters[x][0])
if flag > filters[x][1]:
d.point((i,j),fill = fgcolor)
del flag
del d
#transpose
if isinstance(trans,list):
#FLIP_LEFT_RIGHT, FLIP_TOP_BOTTOM, ROTATE_[?]_[METHOD]
#METHOD:
#NEAREST 最近
#BILINEAR 双线型
#BICUBIC 双三次插值
#ANTIALIAS 平滑
for x in trans:
if upper(x) == 'FLIP_LEFT_RIGHT':
im = im.transpose( Image.FLIP_LEFT_RIGHT )
elif upper(x) == 'FLIP_TOP_BOTTOM':
im = im.transpose( Image.FLIP_TOP_BOTTOM )
elif upper(x) == 'STRECH':
#图形扭曲
para = [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
]
#print randStr,para
im = im.transform(im.size, Image.PERSPECTIVE,para)
#旋转
elif upper(x).split('_')[0] == 'ROTATE':
if upper(x).split('_')[-1] == 'NEAREST':
im = im.rotate(int(upper(x).split('_')[1]),Image.BILINEAR,expand=True)
elif upper(x).split('_')[-1] == 'BILINEAR':
im = im.rotate(int(upper(x).split('_')[1]),Image.BILINEAR,expand=True)
elif upper(x).split('_')[-1] == 'BICUBIC':
im = im.rotate(int(upper(x).split('_')[1]),Image.BILINEAR,expand=True)
elif upper(x).split('_')[-1] == 'ANTIALIAS':
im = im.rotate(int(upper(x).split('_')[1]),Image.BILINEAR,expand=True)
elif upper(x).split('_')[-1] == 'NONE':
im = im.rotate(int(upper(x).split('_')[1]),expand=True)
else:
im = im.rotate(int(upper(x).split('_')[1]),Image.BILINEAR,expand=True)
#fix picture size as square
if im.size[0] <> im.size[1]:
im = im.crop((0,0,im.size[1],im.size[1]))
#im = ImageEnhance.Contrast(im).enhance(3.0)
if isinstance(re_size,tuple):
im = im.resize( re_size,Image.BILINEAR )
#save file
if not isinstance(filename,str):
filename = '%s.png' % time.time()
#filename = '%s.png' % hashlib.md5(msg).hexdigest()
filesplit = filename.split('.')[-1]
filetype = 'jpeg' if filesplit == 'jpg' else filesplit
try:
im.save(filename,filetype,quality=100)
except IOError,e:
return '%s' % e
else:
return filename
if __name__ == '__main__':
val = [unichr(random.randint(0x4E00, 0x9FBB)) for i in range(24)]
#val = '文字输入测试文字输入测试'
#val = [ x for x in val.decode('utf-8') ]
txt2pic(
msg=val,
font=['c:\Windows\Fonts\simhei.ttf',
'c:\Windows\Fonts\simkai.ttf',
'c:\Windows\Fonts\simfang.ttf'],
fontsize=32,
fgcolor=(0,100,100),
bgcolor=(100,200,200,255),
background=None,
padding=4,
filters={'DETAIL':2,'NOISE':(39,35)},
trans=['rotate_90_bilinear','flip_top_bottom'],
re_size=(225,225),
filename='test.png',
)