CNativeImage.hpp

Go to the documentation of this file.

#ifndef __CNativeImage__
#define __CNativeImage__

#include <MathTools/CDimension.hpp>
#include <MathTools/CRect.hpp>
#include "../Windowing/SWindowHandle.hpp"
#include "../Basics/CColour.hpp"
#include "SGraphicsHandle.hpp"

//  ===========================================================================

using Exponent::MathTools::CDimension;
using Exponent::MathTools::CRect;
using Exponent::GUI::Windowing::SWindowHandle;
using Exponent::GUI::Basics::CColour;
using Exponent::GUI::Graphics::SGraphicsHandle;

//  ===========================================================================

namespace Exponent
{
    namespace GUI
    {
        namespace Graphics
        {
            class CNativeImage
            {
            public:

                CNativeImage();

                virtual ~CNativeImage();

//  ===========================================================================

                SGraphicsHandle *getGraphicsHandle() { return &m_graphicsHandle; }

                SWindowHandle *getWindowHandle() const { return m_windowHandle; }

                #ifdef WIN32

                    HDC getParentContext() const { return m_parentHDC; }
                #endif

//  ===========================================================================

                #ifdef WIN32

                    void initialise(SWindowHandle *windowHandle, HDC drawContext, const CDimension &area);
                #else

                    void initialise(SWindowHandle *windowHandle, const CDimension &area);
                #endif

                void uninitialise();

//  ===========================================================================

                void copyTo(CNativeImage *image);

                void copyFrom(CNativeImage *image);

                void alphaBlendTo(CNativeImage *image, const CRect &where, const CRect &toHere, const double alpha);

//  ===========================================================================

                void setBackgroundColour(const CColour &colour) { m_backgroundColour = colour; }

                const CColour &getBackgroundColour() const { return m_backgroundColour; }

                const CDimension &getDimensions() const { return m_area; }

//  ===========================================================================

            protected:

//  ===========================================================================

                void createNativeImage();

                void destroyNativeImage();

//  ===========================================================================

                #ifdef WIN32

                    HDC m_parentHDC;                
                #endif

                SGraphicsHandle m_graphicsHandle;   
                SWindowHandle *m_windowHandle;      
                CDimension m_area;                  
                CColour m_backgroundColour;         
                bool m_initialised;                 
            };
        }
    }
}
#endif  // End of CNativeImage.hpp

---