FvImageFile.h

[詳解]

//  $Revision: 1.4 $
/*
    @file   FvImageFile.h
    @brief  CFvImageFile class interface
    @author FAST Corporation
*/

#ifndef _FVIMAGEFILE_H_INCLUDED_
#define _FVIMAGEFILE_H_INCLUDED_

#include "Data/FvImage.h"

#pragma pack(push,_FVCL_PACKING)

namespace FVCL
{
namespace File
{

// /////////////////////////////////////////////////////////////////
// DEFINE
//

// /////////////////////////////////////////////////////////////////
// TYPEDEF
//

// /////////////////////////////////////////////////////////////////
// CLASS
//
class FVCL_API CFvImageFile : public CFvObject
{
public:
    CFvImageFile();
    virtual ~CFvImageFile();

    typedef bool (*LPSCANLINEHANDLER)( void* pvParam, CFvImageFile* pInstance );

    // METHOD

    virtual FVCL::ImageSize CheckInfo( LPCTSTR szFileName ) const;
    virtual bool Load( LPCTSTR szFileName, FVCL::Data::CFvImage* pImage ) = 0;
    virtual bool Save( LPCTSTR szFileName, const FVCL::Data::CFvImage& image ) = 0;

    bool SetPixelMode( INT pixel_mode );
    INT GetPixelMode() const;

    static bool SetDefaultPixelMode( INT pixel_mode );
    static INT GetDefaultPixelMode();

    void SetScanLineHandler( LPSCANLINEHANDLER lpHandler, void* pvParam );
    LPSCANLINEHANDLER GetScanLineHandler() const;
    void* GetScanLineHandlerParam() const;

    DOUBLE GetPercentage() const;

    // OPERATOR
    virtual CFvImageFile& operator = ( const CFvImageFile& src );
    virtual bool operator == ( const CFvImageFile& src ) const;
    virtual bool operator != ( const CFvImageFile& src ) const;

protected:
    // FUNCTION
    static BOOL _stdcall ScanLineHandler( void* pvParam, DOUBLE percentage );

    // OBJECTS
    INT                 m_PixelMode;

    // EVENT HANDLER
    LPSCANLINEHANDLER   m_ScanLineHandler;
    void*               m_ScanLineHandlerParam;
    DOUBLE              m_Percentage;
};

}   // File

}   // FVCL

#pragma pack(pop)

#endif // _FVIMAGEFILE_H_INCLUDED_