Python API for C++

Question

I have a code on C++, that creates file and writes data to it. Is it possible to use Python's functions to use Python's functionality in my C++ code? For example, I'd like to do this:

# Content of function.py
from PIL import Image
imgObject = Image.open('myfile.jpg') # Create Image object
pixArray = imgObject.load() # Create array of pixels
pixColor = pixArray[25, 25] # Get color of pixel (25,25)

I want to write pixColor to text file using C++ possibilities:

#include <fstream>
#include <iostream>

int main()
{
  ofstream fout('color.txt', ios_base::out | ios_base::binary);
  fout << pixColor;
}

That's only example. My application will really detect color of each pixel and will output it in 'color.txr' file, so I need something faster than Python. Is there a possibility to do it? Thanks a lot!

Use a C++ image library. Calling into Python from C++ to run code that you have already decided is too slow cannot help. That just adds an extra layer and can only be slower still. — David Heffernan
– David Heffernan, Commented Oct 10, 2011 at 18:22
@david-heffernan: I've already asked about using C++ image libraries to get color from image but got no answer: stackoverflow.com/questions/7678511/… and stackoverflow.com/questions/7645168/freeimage-get-pixel-color. So I don't know how to realize it using C++ :-(. — ghostmansd
– ghostmansd, Commented Oct 10, 2011 at 18:42

neodelphi · Accepted Answer · 2011-10-10 18:28:10Z

1

You may have a look to boost::python library which is really great for interfacing python and C++.

answered Oct 10, 2011 at 18:28

neodelphi

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