ScreenSource.h

Go to the documentation of this file.

// Copyright (c) 2025 Dave R. Smith.
// Malena Framework — Licensed under PolyForm Noncommercial 1.0.0; commercial use requires a paid license. See LICENSE.
 
#pragma once
#ifndef MALENA_SCREEN_SOURCE_H
#define MALENA_SCREEN_SOURCE_H
 
#include <Malena/Core/malena_export.h>
#include <SFML/Graphics/Image.hpp>
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <vector>
 
namespace ml {

class MALENA_API ScreenSource
{
public:
    ScreenSource();
    ~ScreenSource();
 
    ScreenSource(const ScreenSource&)            = delete;
    ScreenSource& operator=(const ScreenSource&) = delete;

    void setDisplayIndex(int index);
    int  displayIndex() const;

    void setMaxDimension(unsigned int pixels);

    std::optional<sf::Image> grab();

    static bool isSupported();

    const std::string& lastError() const;

    static std::optional<std::vector<std::uint8_t>> encodeJpeg(const sf::Image& frame);

    static std::optional<sf::Image> decode(const std::uint8_t* data, std::size_t size);
 
private:
    struct Impl;
    std::unique_ptr<Impl> _impl;
};
 
} // namespace ml
 
#endif // MALENA_SCREEN_SOURCE_H