using namespace spice;

color<float, 3> c1{0.2, 0.47, 1};
auto c2 = c1 * 0.5;
c1 += c2;

std::cout << c1 << ", " << c2 << '\n';

/**
 * Brighten an image contained in a raw buffer. For the sake of this example,
 * we'll assume planar, row-major memory layout.
 */
void brighten(float * data, size_t width, size_t height, size_t nchannels,
    float brightness)
{
    for (size_t y = 0; y < height; ++y) {
        for (size_t x = 0; x < width; ++x) {
            spice::color_view<float> pixel(
                // the offset of the first sample in memory
                data + y * width + x,
                // the stride between samples - in this case one entire plane
                width * height,
                // the number of channels
                nchannels);

            // use color_view's operator*= to adjust brightness
            pixel *= brightness;
        }
    }
}

using namespace spice;

// read an image from a file
auto boat = load_image<float, 3>("./data/testing/boat.jpg");

// print the image to stdout
std::cout << "Printing images to the console is fast and easy!\n";
print::image<float, 3>(boat, 10);

// calculate a histogram with 50 "buckets"
auto hist = statistics::histogram(boat, 50);

// print the histogram to stdout - the peaks will be scaled to a height of 100 characters
print::histogram(hist, 100);