IPlatform.hpp

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/*============================================================================*/
#ifndef SHISHGL_IPLATFORM_HPP
#define SHISHGL_IPLATFORM_HPP
/*============================================================================*/
#include <string_view>
 
#include "Frame.hpp"
#include "Color.hpp"
#include "ResourceManager.hpp"
/*============================================================================*/
namespace Sh {
 
    class IPlatform {
    public:
 
        virtual bool isRunning() = 0;
 
        /* Input */
        /*--------------------------------------------------------------------*/
        virtual Vector2<double> getMousePos() = 0;
        /*--------------------------------------------------------------------*/
 
        /* View */
        /*--------------------------------------------------------------------*/
        virtual void setViewport(const Frame& frame) = 0;
 
        virtual const Vector2<double>& getDisplaySize() = 0;
        /*--------------------------------------------------------------------*/
 
        /* Draw */
        /*--------------------------------------------------------------------*/
        class IContext {
        public:
 
            IContext() = default;
 
            virtual void update(const Color* data) = 0;
 
            virtual void updateAt(const Vector2<size_t>& pos,
                                  const Color& color) = 0;
 
            virtual ~IContext() = default;
 
        };
 
        virtual IContext* createContext(const Vector2<size_t>& size,
                                        const Color& color) = 0;
 
        virtual IContext* loadContextFromImage(const std::string_view& filename) = 0;
 
        virtual void saveContextAsImage(IContext* context, const std::string_view& filename) = 0;
 
        /*--------------------------------------------------------------------*/
 
        virtual void setColor(const Color& color) = 0;
 
        virtual void setTexture(const ResourceManager::Resource& texture) = 0;
 
        virtual void drawPoint(const Vector2<double>& pos) = 0;
 
        virtual void drawLine(const Vector2<double>& start,
                             const Vector2<double>& end) = 0;
 
        virtual void drawRectangle(const Vector2<double>& pos,
                                  const Vector2<double>& size) = 0;
 
        virtual void drawCircle(const Vector2<double>& pos,
                                const double& radius) = 0;
        /*--------------------------------------------------------------------*/
 
        /* Image */
        /*--------------------------------------------------------------------*/
        virtual void displayContext(const IContext* context,
                                    const Vector2<double>& position) = 0;
        /*--------------------------------------------------------------------*/
 
        /* Text */
        /*--------------------------------------------------------------------*/
        virtual void setFont(const ResourceManager::Resource& font) = 0;
 
        virtual void setFontSize(const size_t& font_size) = 0;
 
        enum Align {
            LEFT,
            CENTER,
            RIGHT
        };
 
        virtual void displayText(const std::string_view& text,
                                 const Frame& frame,
                                 Align align) = 0;
        /*--------------------------------------------------------------------*/
 
        virtual ~IPlatform() = default;
 
    protected:
 
        friend class RenderSystem;
        friend class WindowManager;
        friend class CoreApplication;
 
        IPlatform() = default;
 
        /* Essential */
        /*--------------------------------------------------------------------*/
        virtual bool initDisplay(int* argc_ptr, char* argv[]) = 0;
 
        virtual bool closeDisplay() = 0;
        /*--------------------------------------------------------------------*/
 
        /* Rendering */
        /*--------------------------------------------------------------------*/
        virtual void clear(const Color& color) = 0;
 
        virtual void display() = 0;
        /*--------------------------------------------------------------------*/
 
        /* Events */
        /*--------------------------------------------------------------------*/
        virtual bool pollEvent() = 0;
        /*--------------------------------------------------------------------*/
 
    };
 
}
 
/*============================================================================*/
#endif //SHISHGL_IPLATFORM_HPP
/*============================================================================*/