pipeline_image_page.hpp

// Copyright Take Vos 2019.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include "../required.hpp"
#include <limits>
 
namespace tt::pipeline_image {
 
struct Page {
    static constexpr int width = 64;
    static constexpr int height = 64;
    static constexpr int border = 1;
    static constexpr int widthIncludingBorder = width + 2 * border;
    static constexpr int heightIncludingBorder = height + 2 * border;
 
    ssize_t nr;
 
    Page(ssize_t nr) : nr(nr) {}
 
    Page() : nr(std::numeric_limits<ssize_t>::max()) {}
 
    bool isFullyTransparent() const noexcept { return nr == std::numeric_limits<ssize_t>::max(); }
};
 
}