/*******************************************************************************
* Copyright 2015-2018 Intel Corporation.
*
* This software and the related documents are Intel copyrighted materials, and
* your use of them is governed by the express license under which they were
* provided to you (License). Unless the License provides otherwise, you may not
* use, modify, copy, publish, distribute, disclose or transmit this software or
* the related documents without Intel's prior written permission.
*
* This software and the related documents are provided as is, with no express
* or implied warranties, other than those that are expressly stated in the
* License.
*******************************************************************************/
// A simple example of labelling connected non-zero components with
// different label values using Intel(R) Integrated Primitives (Intel(R) IPP) functions:
// ippiLabelMarkersGetBufferSize_16u_C1R
// ippiLabelMarkers_16u_C1IR
#include <stdio.h>
#include "ipp.h"
#define WIDTH 8 /* source image width */
#define HEIGHT 8 /* source image height */
/* Next two defines are created to simplify code reading and understanding */
#define EXIT_MAIN exitLine: /* Label for Exit */
#define check_sts(st) if((st) != ippStsNoErr) goto exitLine; /* Go to Exit if Intel(R) IPP function returned status different from ippStsNoErr */
static Ipp16u pMarker[WIDTH*HEIGHT] = /* Pointer to source and destination marker image */
{ 0, 12, 13, 0, 0, 0, 0, 0,
0, 22, 23, 24, 0, 0, 0, 0,
0, 32, 33, 34, 0, 0, 0, 0,
0, 42, 43, 44, 0, 0, 0, 0,
0, 0, 53, 54, 0, 56, 57, 58,
0, 0, 0, 0, 0, 66, 0, 68,
0, 0, 0, 57, 0, 76, 77, 78,
0, 0, 0, 0, 68, 0, 0, 0
};
/* Results of ippMalloc() are not validated because Intel(R) IPP functions perform bad arguments check and will return an appropriate status */
int main(void)
{
IppStatus status = ippStsNoErr;
int markerStep = WIDTH*sizeof(Ipp16u); /* Steps, in bytes, through the source images */
IppiSize roiSize = { WIDTH, HEIGHT }; /* Size of source ROI in pixels */
int minLabel = 1; /* Minimal label value */
int maxLabel = 30000; /* Maximal label value */
int markersNum = 0; /* Pointer to number of markers */
Ipp8u* pBuffer = NULL; /* Pointer to the work buffer */
int bufferSize = 0;
/* Calculate size of temporary buffer */
check_sts( status = ippiLabelMarkersGetBufferSize_16u_C1R(roiSize, &bufferSize) )
pBuffer = ippsMalloc_8u(bufferSize);
/* Label connected non-zero components with different label values */
check_sts( status = ippiLabelMarkers_16u_C1IR(pMarker, markerStep, roiSize, minLabel, maxLabel, ippiNormL1, &markersNum, pBuffer) )
EXIT_MAIN
ippsFree(pBuffer);
printf("Exit status %d (%s)\n", (int)status, ippGetStatusString(status));
return (int)status;
}