epnm.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/* ////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2004-2005 Intel Corporation. All Rights Reserved.
//
//
//
*/

#ifndef __EPNM_H__
#define __EPNM_H__

#include "epnmimagedata.h"
#include "epnminfo.h"

template<class ByteOutput>
class PNMEncoder
{
public:
    PNMEncoder() : m_stream(0) {}

    // use this function to set up all of parameters
    PNMInfo &Info() { return m_info; }

    void Attach(ByteOutput &stream) { m_stream = &stream; }
    void Detach()                   { m_stream = 0;       }

    unsigned int EstimateFileNOfBytes(const ImageCoreC<Ipp32s,1> *channel) const { return m_info.EstimateFileNOfBytes(channel); }

    void WriteFileHeader()                                    { m_info.Write(Stream()); }
    void WriteImageData (const ImageCoreC<Ipp32s,1> *channel) { WritePNMImageData(Stream(), m_info, channel); }

protected:
    EPNMInfo     m_info;
    ByteOutput *m_stream;

    ByteOutput &Stream() { return *m_stream; }
};

#endif // __EPNM_H__