ringstripe.h

来自「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」· C头文件 代码 · 共 52 行

/* ////////////////////////////////////////////////////////////////////////
//
//                  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) 2002-2005 Intel Corporation. All Rights Reserved.
//
//
//
*/

#ifndef __RINGSTRIPE_H__
#define __RINGSTRIPE_H__

#include "ringbuffer.h"

template<class T>
class RingStripe
{
public:
    typedef T* TPTR;

    RingStripe() {}

    RingStripe(unsigned int width, unsigned int height) { ReAlloc(width, height); }

    void ReAlloc(unsigned int width, unsigned int height)
    {
        m_stripe.ReAlloc(height, width);

        m_ring.ReAlloc(height);

        for(unsigned int i = 0; i < height; i++)
            m_ring.SetEntry(m_stripe[i], i);
    }

    T*   CurrRow   () const { return m_stripe[m_ring.Position()]; }
    void operator++() { ++m_ring; }
    void operator--() { --m_ring; }

    operator const TPTR*() const { return m_ring; }

protected:
    FixedBuffer2D<T>  m_stripe;
    RingBuffer<TPTR>  m_ring;
};


#endif // __RINGSTRIPE_H__