png_uint_32 height = info_ptr->height;

int bit_depth = info_ptr->bit_depth;

// Unpack 1, 2, and 4-bit images

if (bit_depth < 8)

png_set_packing(png_ptr);

// Convert palletes to full RGB

if (info_ptr->color_type == PNG_COLOR_TYPE_PALETTE)

png_set_palette_to_rgb(png_ptr);

// If there's an alpha channel convert gray to RGB

if (info_ptr->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)

png_set_gray_to_rgb(png_ptr);

dimensions[2] = 1; //Greyscale images

//For gray, return an x by y array, not an x by y by 1

int num_dims = (info_ptr->color_type & PNG_COLOR_MASK_COLOR) ? 3 : 2;

double max_value = (1 << ((bit_depth < 8) ? 8 : bit_depth)) - 1;

PyArrayObject *A = (PyArrayObject *) PyArray_SimpleNew(num_dims, dimensions, PyArray_FLOAT);

}

}

}

//free the png memory

png_read_end(png_ptr, info_ptr);

png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);