resize.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 __RESIZE_H__
#define __RESIZE_H__

#ifndef XSCALE

#include "ippdefs.h"
#include "imagecore.h"


// easy version for 32s with restricted features
void Resize(
    const ImageCoreC<Ipp32s, 1> &src, const RectSize &srcSize,
    const ImageCoreC<Ipp32s, 1> &dst, const RectSize &dstSize);

// dst is point to rectangle itself, function does NOT any correction of pointers by dstRefRect parameter
// BUT there is NO need to have any border data too.
// dstRefRect origin is used only to correct sampling phase (center of source sample in destination).

void ResizeUp(
    const ImageCoreC<Ipp32f, 1> &src, const RectSize &srcSize, const RectSize &srcSampleSize,
    const ImageCoreC<Ipp32f, 1> &dst, const Rect     &dstRefRect);

void ResizeUp(
    const ImageCoreC<Ipp32s, 1> &src, const RectSize &srcSize, const RectSize &srcSampleSize,
    const ImageCoreC<Ipp32s, 1> &dst, const Rect     &dstRefRect);

void ResizeDown(
    const ImageCoreC<Ipp32f, 1> &src, const Rect     &srcRefRect,
    const ImageCoreC<Ipp32f, 1> &dst, const RectSize &dstSize, const RectSize &dstSampleSize);

void ResizeDown(
    const ImageCoreC<Ipp32s, 1> &src, const Rect     &srcRefRect,
    const ImageCoreC<Ipp32s, 1> &dst, const RectSize &dstSize, const RectSize &dstSampleSize);

#endif //#ifndef XSCALE


#endif // __RESIZE_H__