PipelineImage_Page.hpp

// Copyright 2019 Pokitec
// All rights reserved.
 
#pragma once
 
#include <limits>
#include "TTauri/Foundation/required.hpp"
 
namespace tt::PipelineImage {
 
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(); }
};
 
}