Function copy_one_patch

examples/mtcnn/mtcnn_utils.cpp:217–249

    padding(img_h, img_w, rects);
}
void copy_one_patch(image img, face_box& input_box, float* data_to, int width, int height)
{
    double w = std::abs(input_box.px0 - input_box.px1);
    double h = std::abs(input_box.py0 - input_box.py1);
    image chop_im = make_image(( int )w, ( int )h, img.c);

    for(int c = 0; c < img.c; c++)
    {
        for(int i = 0; i < ( int )h; i++)
        {
            for(int j = 0; j < ( int )w; j++)
            {
                chop_im.data[c * ( int )h * ( int )w + i * ( int )w + j] =
                    img.data[c * img.h * img.w + (i + ( int )input_box.py0) * img.w + j + ( int )input_box.px0];
            }
        }
    }

    int pad_top = std::abs(input_box.py0 - input_box.y0);
    int pad_left = std::abs(input_box.px0 - input_box.x0);
    int pad_bottom = std::abs(input_box.py1 - input_box.y1);
    int pad_right = std::abs(input_box.px1 - input_box.x1);

    image copyMakerImage = copyMaker(chop_im, pad_top, pad_bottom, pad_left, pad_right, 0);

    image resImg = resize_image(copyMakerImage, width, height);

    for(int i = 0; i < 3 * width * height; i++)
    {
        *data_to = resImg.data[i];
        data_to++;
    }
}