CubeImage.h

//
//  CubeImage.h
//  avara3d
//
//  Created by Morgan Davis on 4/30/18.
//  Copyright © 2026 Morgan K Davis. All rights reserved.
//
 
#ifndef AVARA3D_CUBEIMAGE_H
#define AVARA3D_CUBEIMAGE_H
 
#include <array>
#include <cstdint>
#include <memory>
 
namespace a3d {
 
    class Image;
 
    class CubeImage {
 
    public:
        // [Public Types]
 
        enum class Face : uint8_t {
            X_Pos, 
            X_Neg, 
            Y_Pos, 
            Y_Neg, 
            Z_Pos, 
            Z_Neg  
        };
 
        // [Public Lifecycle Functions]
 
        explicit CubeImage(std::array<std::unique_ptr<Image>, 6> faces);
 
        CubeImage(const CubeImage&)            = delete;
        CubeImage& operator=(const CubeImage&) = delete;
 
        CubeImage(CubeImage&&) noexcept;
        CubeImage& operator=(CubeImage&&) noexcept;
 
        ~CubeImage();
 
        // [Public Member Functions]
 
        unsigned width() const;
 
        unsigned height() const;
 
        unsigned bytesPerPixel() const;
 
        Image*   face(Face face) const;
 
    private:
        // [Private Member Variables]
 
        std::array<std::unique_ptr<Image>, 6> _faces;
 
        unsigned                              _width;
        unsigned                              _height;
        unsigned                              _bytesPerPixel;
    };
 
}
 
#endif // AVARA3D_CUBEIMAGE_H