GUIImageLoader.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef GUIIMAGELOADER__H_
#define GUIIMAGELOADER__H_
 
#include "eC_Types.h"
#include "eC_String.h"
#include "eC_TList_doubleLinked.h"
 
#include "GUIComponentManager.h"
 
class CGUIImageData;
class CGUIImageDecoder;
 
#define GETIMGLOADER CGUIComponentManager::GetInstance().GetImageLoader()
 
 
class CGUIImageLoader
{
    friend class CGUIComponentManager; 
 
public:
    static void CreateInstance();
 
    static void DeleteInstance();
 
    eC_Bool LoadImg(CGUIImageData &pImageData, const eC_String &kFilePath);
 
    void AddDecoder(CGUIImageDecoder *pImageDecoder);
 
    void AddSupportedFileExtensions(eC_TListDoubleLinked<eC_String>& kExtensions);
 
private:
    struct ImageDecoderEntry_t
    {
        CGUIImageDecoder* m_pkImageDecoder;
 
        eC_UInt m_uiNumCalls;
 
        eC_Bool operator==(const ImageDecoderEntry_t &kSource) const
        {
            return m_uiNumCalls == kSource.m_uiNumCalls;
        }
 
        eC_Bool operator>(const ImageDecoderEntry_t &kSource) const
        {
            return m_uiNumCalls > kSource.m_uiNumCalls;
        }
    };
 
private:
    CGUIImageLoader();
 
    ~CGUIImageLoader();
 
    CGUIImageLoader(const CGUIImageLoader& kSource);
 
    CGUIImageLoader& operator=(const CGUIImageLoader& kSource);
 
    void DeInit();
 
private:
    eC_TListDoubleLinked<ImageDecoderEntry_t> m_kDecoderList;
};
 
#endif