Update to 2.0.0 tree from current Fremantle build

[opencv] / src / cvaux / cvcreatehandmask.cpp

diff --git a/src/cvaux/cvcreatehandmask.cpp b/src/cvaux/cvcreatehandmask.cpp
new file mode 100644 (file)
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+++ b/src/cvaux/cvcreatehandmask.cpp
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                        Intel License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000, Intel Corporation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of Intel Corporation may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+#include "_cvaux.h"
+
+#define CV_MAX2( a, b ) ((a)>(b) ? (a) : (b))
+#define CV_MIN2( a, b ) ((a)<(b) ? (a) : (b))
+
+/****************************************************************************************\
+
+   create hand mask
+
+\****************************************************************************************/
+
+static CvStatus icvCreateHandMask8uC1R(CvSeq * numbers,
+                                       uchar * image_mask, int step,
+                                       CvSize size, CvRect * roi )
+{
+
+    CvSeqReader reader;
+    CvPoint pt;
+    int k_point;
+    int i_min, i_max, j_min, j_max;
+
+    if( numbers == NULL )
+        return CV_NULLPTR_ERR;
+
+    if( !CV_IS_SEQ_POINT_SET( numbers ))
+        return CV_BADFLAG_ERR;
+
+    i_max = j_max = 0;
+    i_min = size.height;
+    j_min = size.width;
+
+    cvStartReadSeq( numbers, &reader, 0 );
+
+    k_point = numbers->total;
+    assert( k_point > 0 );
+    if( k_point <= 0 )
+        return CV_BADSIZE_ERR;
+
+    memset( image_mask, 0, step * size.height );
+
+    while( k_point-- > 0 )
+    {
+        CV_READ_SEQ_ELEM( pt, reader );
+
+        i_min = CV_MIN2( i_min, pt.y );
+        i_max = CV_MAX2( i_max, pt.y );
+        j_min = CV_MIN2( j_min, pt.x );
+        j_max = CV_MAX2( j_max, pt.x );
+
+        *(image_mask + pt.y * step + pt.x) = 255;
+    }
+
+    roi->x = j_min;
+    roi->y = i_min;
+    roi->width = j_max - j_min + 1;
+    roi->height = i_max - i_min + 1;
+
+    return CV_OK;
+
+}
+
+
+/*F///////////////////////////////////////////////////////////////////////////////////////
+//    Name:     cvCreateHandMask
+//    Purpose:  creates hand mask image
+//    Context:   
+//    Parameters: 
+//      numbers - pointer to the input sequence of the point's indexes inside
+//                hand region                
+//      img_mask - pointer to the result mask image 
+//      roi      - result hand mask ROI 
+//      
+//    Notes:
+//F*/
+CV_IMPL void
+cvCreateHandMask( CvSeq * numbers, IplImage * img_mask, CvRect * roi )
+{
+    uchar *img_mask_data = 0;
+    int img_mask_step = 0;
+    CvSize img_mask_size;
+
+    CV_FUNCNAME( "cvCreateHandMask" );
+
+    __BEGIN__;
+
+    if( img_mask->depth != IPL_DEPTH_8U )
+        CV_ERROR( CV_BadDepth, cvUnsupportedFormat );
+
+    if( img_mask->nChannels != 1 )
+        CV_ERROR( CV_BadNumChannels, "output image have wrong number of channels" );
+
+    cvGetImageRawData( img_mask, &img_mask_data, &img_mask_step, &img_mask_size );
+
+    IPPI_CALL( icvCreateHandMask8uC1R( numbers, img_mask_data,
+                                        img_mask_step, img_mask_size, roi ));
+
+    __END__;
+}