| from PIL import Image |
| import numpy as np |
| import potrace |
|
|
|
|
| def png_to_np_array(filename): |
| img = Image.open(filename) |
| data = np.array(img.getdata()).reshape(img.size[0], img.size[1], 3) |
| bindata = np.zeros((img.size[0], img.size[1]), np.uint32) |
| for i, row in enumerate(data): |
| for j, byte in enumerate(row): |
| bindata[i, j] = 1 if sum(byte) < 125*3 else 0 |
| return bindata |
|
|
| def png_to_svg(filename): |
| data = png_to_np_array(filename) |
| bmp = potrace.Bitmap(data) |
| path = bmp.trace() |
| return path |
|
|
| print([curve.segments for curve in png_to_svg('pngs/png500.png').curves]) |
|
|
