model = cv2.face.createEigenFaceRecognizer() 行找不到face

1. #-*- coding: utf-8 -*-
2. import cv2
3. import ft2
4. img = cv2.imread('pic/lena.jpg')
5. line = '你好,我是 lena'
6. color = (0, 255, 0) # Green
7. pos = (3, 3)
8. text_size = 24
9. # ft = put_chinese_text('wqy-zenhei.ttc')
10. ft = ft2.put_chinese_text('msyh.ttf')
11. image = ft.draw_text(img, pos, line, text_size, color)
12. name = u'图片展示'
13. cv2.imshow(name, image)
14. cv2.waitKey(0)

1. # -*- coding: utf-8 -*-
2. # http://blog.csdn.net/zizi7/article/details/70145150
3. '''
4. ##################################################
5. # tools #
6. #------------------------------------------------#
7. # draw chinese text using freetype on python2.x # #
8. # 2017.4.12 #
9. ##################################################
10. '''
11. import numpy as np
12. import freetype
13. import copy
14. import pdb
15. class put_chinese_text(object):
16. def __init__(self, ttf):
17. self._face = freetype.Face(ttf)
18. def draw_text(self, image, pos, text, text_size, text_color):
19. '''
20. draw chinese(or not) text with ttf
21. :param image: image(numpy.ndarray) to draw text
22. :param pos: where to draw text
23. :param text: the context, for chinese should be unicode type
24. :param text_size: text size
25. :param text_color:text color
26. :return: image
27. '''
28. self._face.set_char_size(text_size * 64)
29. metrics = self._face.size
30. ascender = metrics.ascender/64.0
31. #descender = metrics.descender/64.0
32. #height = metrics.height/64.0
33. #linegap = height - ascender + descender
34. ypos = int(ascender)
35. if not isinstance(text, unicode):
36. text = text.decode('utf-8')
37. img = self.draw_string(image, pos[0], pos[1]+ypos, text, text_color)
38. return img
39. def draw_string(self, img, x_pos, y_pos, text, color):
40. '''
41. draw string
42. :param x_pos: text x-postion on img
43. :param y_pos: text y-postion on img
44. :param text: text (unicode)
45. :param color: text color
46. :return: image
47. '''
48. prev_char = 0
49. pen = freetype.Vector()
50. pen.x = x_pos << 6 # div 64
51. pen.y = y_pos << 6
52. hscale = 1.0
53. matrix = freetype.Matrix(int(hscale)*0x10000L, int(0.2*0x10000L),\
54. int(0.0*0x10000L), int(1.1*0x10000L))
55. cur_pen = freetype.Vector()
56. pen_translate = freetype.Vector()
57. image = copy.deepcopy(img)
58. for cur_char in text:
59. self._face.set_transform(matrix, pen_translate)
60. self._face.load_char(cur_char)
61. kerning = self._face.get_kerning(prev_char, cur_char)
62. pen.x += kerning.x
63. slot = self._face.glyph
64. bitmap = slot.bitmap
65. cur_pen.x = pen.x
66. cur_pen.y = pen.y - slot.bitmap_top * 64
67. self.draw_ft_bitmap(image, bitmap, cur_pen, color)
68. pen.x += slot.advance.x
69. prev_char = cur_char
70. return image
71. def draw_ft_bitmap(self, img, bitmap, pen, color):
72. '''
73. draw each char
74. :param bitmap: bitmap
75. :param pen: pen
76. :param color: pen color e.g.(0,0,255) - red
77. :return: image
78. '''
79. x_pos = pen.x >> 6
80. y_pos = pen.y >> 6
81. cols = bitmap.width
82. rows = bitmap.rows
83. glyph_pixels = bitmap.buffer
84. for row in range(rows):
85. for col in range(cols):
86. if glyph_pixels[row*cols + col] != 0:
87. img[y_pos + row][x_pos + col][0] = color[0]
88. img[y_pos + row][x_pos + col][1] = color[1]
89. img[y_pos + row][x_pos + col][2] = color[2]
90. if __name__ == '__main__':
91. # just for test
92. import cv2
93. line = '你好'
94. img = np.zeros([300,300,3])
95. color_ = (0,255,0) # Green
96. pos = (3, 3)
97. text_size = 24
98. #ft = put_chinese_text('wqy-zenhei.ttc')
99. ft = put_chinese_text('msyh.ttf')
100. image = ft.draw_text(img, pos, line, text_size, color_)
101. cv2.imshow('ss', image)
102. cv2.waitKey(0)

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