MenuBackdropGeometry.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: 2026 Valentin Eloy
// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include <vector>

 
namespace hmi {

enum class BackdropRole {
    SkyHigh,     
    SkyMid,      
    SkyLow,      
    Star,        
    StarDim,     
    Moon,        
    MoonCrater,  
    Silhouette,  
    Hill,        
    Ground,      
    GroundEdge,  
    Veil,        
};

struct BackdropQuad {
    BackdropRole role;
    int x;
    int y;
    int width;
    int height;
 
    [[nodiscard]] friend bool operator==(const BackdropQuad&,
                                         const BackdropQuad&) noexcept = default;
};

inline constexpr float BACKDROP_VEIL_WIDTH_RATIO = 0.55f;

inline constexpr int BACKDROP_VEIL_STEPS = 6;

[[nodiscard]] std::vector<BackdropQuad> menuBackdropQuads(int width, int height, int scale);
 
}  // namespace hmi