X-Git-Url: http://git.maemo.org/git/?p=opencv;a=blobdiff_plain;f=src%2Fcv%2Fcvutils.cpp;fp=src%2Fcv%2Fcvutils.cpp;h=92ce32fe6384dd0bb6930f50f10a20f328fa9375;hp=0000000000000000000000000000000000000000;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hpb=454138ff8a20f6edb9b65a910101403d8b520643

diff --git a/src/cv/cvutils.cpp b/src/cv/cvutils.cpp
new file mode 100644
index 0000000..92ce32f
--- /dev/null
+++ b/src/cv/cvutils.cpp
@@ -0,0 +1,498 @@
+/*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 "_cv.h"
+
+CV_IMPL CvSeq* cvPointSeqFromMat( int seq_kind, const CvArr* arr,
+                                  CvContour* contour_header, CvSeqBlock* block )
+{
+    CvSeq* contour = 0;
+
+    CV_FUNCNAME( "cvPointSeqFromMat" );
+
+    assert( arr != 0 && contour_header != 0 && block != 0 );
+
+    __BEGIN__;
+    
+    int eltype;
+    CvMat* mat = (CvMat*)arr;
+    
+    if( !CV_IS_MAT( mat ))
+        CV_ERROR( CV_StsBadArg, "Input array is not a valid matrix" ); 
+
+    eltype = CV_MAT_TYPE( mat->type );
+    if( eltype != CV_32SC2 && eltype != CV_32FC2 )
+        CV_ERROR( CV_StsUnsupportedFormat,
+        "The matrix can not be converted to point sequence because of "
+        "inappropriate element type" );
+
+    if( (mat->width != 1 && mat->height != 1) || !CV_IS_MAT_CONT(mat->type))
+        CV_ERROR( CV_StsBadArg,
+        "The matrix converted to point sequence must be "
+        "1-dimensional and continuous" );
+
+    CV_CALL( cvMakeSeqHeaderForArray(
+            (seq_kind & (CV_SEQ_KIND_MASK|CV_SEQ_FLAG_CLOSED)) | eltype,
+            sizeof(CvContour), CV_ELEM_SIZE(eltype), mat->data.ptr,
+            mat->width*mat->height, (CvSeq*)contour_header, block ));
+
+    contour = (CvSeq*)contour_header;
+
+    __END__;
+
+    return contour;
+}
+
+
+typedef CvStatus (CV_STDCALL * CvCopyNonConstBorderFunc)(
+    const void*, int, CvSize, void*, int, CvSize, int, int );
+
+typedef CvStatus (CV_STDCALL * CvCopyNonConstBorderFuncI)(
+    const void*, int, CvSize, CvSize, int, int );
+
+CvStatus CV_STDCALL
+icvCopyReplicateBorder_8u( const uchar* src, int srcstep, CvSize srcroi,
+                           uchar* dst, int dststep, CvSize dstroi,
+                           int top, int left, int cn, const uchar* )
+{
+    const int isz = (int)sizeof(int);
+    int i, j;
+
+    if( (cn | srcstep | dststep | (size_t)src | (size_t)dst) % isz == 0 )
+    {
+        const int* isrc = (const int*)src;
+        int* idst = (int*)dst;
+        
+        cn /= isz;
+        srcstep /= isz;
+        dststep /= isz;
+
+        srcroi.width *= cn;
+        dstroi.width *= cn;
+        left *= cn;
+
+        for( i = 0; i < dstroi.height; i++, idst += dststep )
+        {
+            if( idst + left != isrc )
+                memcpy( idst + left, isrc, srcroi.width*sizeof(idst[0]) );
+            for( j = left - 1; j >= 0; j-- )
+                idst[j] = idst[j + cn];
+            for( j = left+srcroi.width; j < dstroi.width; j++ )
+                idst[j] = idst[j - cn];
+            if( i >= top && i < top + srcroi.height - 1 )
+                isrc += srcstep;
+        }
+    }
+    else
+    {
+        srcroi.width *= cn;
+        dstroi.width *= cn;
+        left *= cn;
+
+        for( i = 0; i < dstroi.height; i++, dst += dststep )
+        {
+            if( dst + left != src )
+                memcpy( dst + left, src, srcroi.width );
+            for( j = left - 1; j >= 0; j-- )
+                dst[j] = dst[j + cn];
+            for( j = left+srcroi.width; j < dstroi.width; j++ )
+                dst[j] = dst[j - cn];
+            if( i >= top && i < top + srcroi.height - 1 )
+                src += srcstep;
+        }
+    }
+
+    return CV_OK;
+}
+
+
+static CvStatus CV_STDCALL
+icvCopyReflect101Border_8u( const uchar* src, int srcstep, CvSize srcroi,
+                            uchar* dst, int dststep, CvSize dstroi,
+                            int top, int left, int cn )
+{
+    const int isz = (int)sizeof(int);
+    int i, j, k, t, dj, tab_size, int_mode = 0;
+    const int* isrc = (const int*)src;
+    int* idst = (int*)dst, *tab;
+
+    if( (cn | srcstep | dststep | (size_t)src | (size_t)dst) % isz == 0 )
+    {
+        cn /= isz;
+        srcstep /= isz;
+        dststep /= isz;
+
+        int_mode = 1;
+    }
+
+    srcroi.width *= cn;
+    dstroi.width *= cn;
+    left *= cn;
+
+    tab_size = dstroi.width - srcroi.width;
+    tab = (int*)cvStackAlloc( tab_size*sizeof(tab[0]) );
+
+    if( srcroi.width == 1 )
+    {
+        for( k = 0; k < cn; k++ )
+            for( i = 0; i < tab_size; i += cn )
+                tab[i + k] = k + left;
+    }
+    else
+    {
+        j = dj = cn;
+        for( i = left - cn; i >= 0; i -= cn )
+        {
+            for( k = 0; k < cn; k++ )
+                tab[i + k] = j + k + left;
+            if( (unsigned)(j += dj) >= (unsigned)srcroi.width )
+                j -= 2*dj, dj = -dj;
+        }
+        
+        j = srcroi.width - cn*2;
+        dj = -cn;
+        for( i = left; i < tab_size; i += cn )
+        {
+            for( k = 0; k < cn; k++ )
+                tab[i + k] = j + k + left;
+            if( (unsigned)(j += dj) >= (unsigned)srcroi.width )
+                j -= 2*dj, dj = -dj;
+        }
+    }
+
+    if( int_mode )
+    {
+        idst += top*dststep;
+        for( i = 0; i < srcroi.height; i++, isrc += srcstep, idst += dststep )
+        {
+            if( idst + left != isrc )
+                memcpy( idst + left, isrc, srcroi.width*sizeof(idst[0]) );
+            for( j = 0; j < left; j++ )
+            {
+                k = tab[j]; 
+                idst[j] = idst[k];
+            }
+            for( ; j < tab_size; j++ )
+            {
+                k = tab[j];
+                idst[j + srcroi.width] = idst[k];
+            }
+        }
+        isrc -= srcroi.height*srcstep;
+        idst -= (top + srcroi.height)*dststep;
+    }
+    else
+    {
+        dst += top*dststep;
+        for( i = 0; i < srcroi.height; i++, src += srcstep, dst += dststep )
+        {
+            if( dst + left != src )
+                memcpy( dst + left, src, srcroi.width );
+            for( j = 0; j < left; j++ )
+            {
+                k = tab[j]; 
+                dst[j] = dst[k];
+            }
+            for( ; j < tab_size; j++ )
+            {
+                k = tab[j];
+                dst[j + srcroi.width] = dst[k];
+            }
+        }
+        src -= srcroi.height*srcstep;
+        dst -= (top + srcroi.height)*dststep;
+    }
+
+    for( t = 0; t < 2; t++ )
+    {
+        int i1, i2, di;
+        if( t == 0 )
+            i1 = top-1, i2 = 0, di = -1, j = 1, dj = 1;
+        else
+            i1 = top+srcroi.height, i2=dstroi.height, di = 1, j = srcroi.height-2, dj = -1;
+        
+        for( i = i1; i != i2; i += di )
+        {
+            if( int_mode )
+            {
+                const int* s = idst + i*dststep;
+                int* d = idst + (j+top)*dststep;
+                for( k = 0; k < dstroi.width; k++ )
+                    d[k] = s[k];
+            }
+            else
+            {
+                const uchar* s = dst + i*dststep;
+                uchar* d = dst + (j+top)*dststep;
+                for( k = 0; k < dstroi.width; k++ )
+                    d[k] = s[k];
+            }
+
+            if( (unsigned)(j += dj) >= (unsigned)srcroi.height )
+                j -= 2*dj, dj = -dj;
+        }
+    }
+
+    return CV_OK;
+}
+
+
+static CvStatus CV_STDCALL
+icvCopyConstBorder_8u( const uchar* src, int srcstep, CvSize srcroi,
+                       uchar* dst, int dststep, CvSize dstroi,
+                       int top, int left, int cn, const uchar* value )
+{
+    const int isz = (int)sizeof(int);
+    int i, j, k;
+    if( (cn | srcstep | dststep | (size_t)src | (size_t)dst | (size_t)value) % isz == 0 )
+    {
+        const int* isrc = (const int*)src;
+        int* idst = (int*)dst;
+        const int* ivalue = (const int*)value;
+        int v0 = ivalue[0];
+        
+        cn /= isz;
+        srcstep /= isz;
+        dststep /= isz;
+
+        srcroi.width *= cn;
+        dstroi.width *= cn;
+        left *= cn;
+
+        for( j = 1; j < cn; j++ )
+            if( ivalue[j] != ivalue[0] )
+                break;
+
+        if( j == cn )
+            cn = 1;
+
+        if( dstroi.width <= 0 )
+            return CV_OK;
+
+        for( i = 0; i < dstroi.height; i++, idst += dststep )
+        {
+            if( i < top || i >= top + srcroi.height )
+            {
+                if( cn == 1 )
+                {
+                    for( j = 0; j < dstroi.width; j++ )
+                        idst[j] = v0;
+                }
+                else
+                {
+                    for( j = 0; j < cn; j++ )
+                        idst[j] = ivalue[j];
+                    for( ; j < dstroi.width; j++ )
+                        idst[j] = idst[j - cn];
+                }
+                continue;
+            }
+
+            if( cn == 1 )
+            {
+                for( j = 0; j < left; j++ )
+                    idst[j] = v0;
+                for( j = srcroi.width + left; j < dstroi.width; j++ )
+                    idst[j] = v0;
+            }
+            else
+            {
+                for( k = 0; k < cn; k++ )
+                {
+                    for( j = 0; j < left; j += cn )
+                        idst[j+k] = ivalue[k];
+                    for( j = srcroi.width + left; j < dstroi.width; j += cn )
+                        idst[j+k] = ivalue[k];
+                }
+            }
+
+            if( idst + left != isrc )
+                for( j = 0; j < srcroi.width; j++ )
+                    idst[j + left] = isrc[j];
+            isrc += srcstep;
+        }
+    }
+    else
+    {
+        uchar v0 = value[0];
+        
+        srcroi.width *= cn;
+        dstroi.width *= cn;
+        left *= cn;
+
+        for( j = 1; j < cn; j++ )
+            if( value[j] != value[0] )
+                break;
+
+        if( j == cn )
+            cn = 1;
+
+        if( dstroi.width <= 0 )
+            return CV_OK;
+
+        for( i = 0; i < dstroi.height; i++, dst += dststep )
+        {
+            if( i < top || i >= top + srcroi.height )
+            {
+                if( cn == 1 )
+                {
+                    for( j = 0; j < dstroi.width; j++ )
+                        dst[j] = v0;
+                }
+                else
+                {
+                    for( j = 0; j < cn; j++ )
+                        dst[j] = value[j];
+                    for( ; j < dstroi.width; j++ )
+                        dst[j] = dst[j - cn];
+                }
+                continue;
+            }
+
+            if( cn == 1 )
+            {
+                for( j = 0; j < left; j++ )
+                    dst[j] = v0;
+                for( j = srcroi.width + left; j < dstroi.width; j++ )
+                    dst[j] = v0;
+            }
+            else
+            {
+                for( k = 0; k < cn; k++ )
+                {
+                    for( j = 0; j < left; j += cn )
+                        dst[j+k] = value[k];
+                    for( j = srcroi.width + left; j < dstroi.width; j += cn )
+                        dst[j+k] = value[k];
+                }
+            }
+
+            if( dst + left != src )
+                for( j = 0; j < srcroi.width; j++ )
+                    dst[j + left] = src[j];
+            src += srcstep;
+        }
+    }
+
+    return CV_OK;
+}
+
+
+CV_IMPL void
+cvCopyMakeBorder( const CvArr* srcarr, CvArr* dstarr, CvPoint offset,
+                  int bordertype, CvScalar value )
+{
+    CV_FUNCNAME( "cvCopyMakeBorder" );
+
+    __BEGIN__;
+
+    CvMat srcstub, *src = (CvMat*)srcarr;
+    CvMat dststub, *dst = (CvMat*)dstarr;
+    CvSize srcsize, dstsize;
+    int srcstep, dststep;
+    int pix_size, type;
+
+    if( !CV_IS_MAT(src) )
+        CV_CALL( src = cvGetMat( src, &srcstub ));
+    
+    if( !CV_IS_MAT(dst) )    
+        CV_CALL( dst = cvGetMat( dst, &dststub ));
+
+    if( offset.x < 0 || offset.y < 0 )
+        CV_ERROR( CV_StsOutOfRange, "Offset (left/top border width) is negative" );
+
+    if( src->rows + offset.y > dst->rows || src->cols + offset.x > dst->cols )
+        CV_ERROR( CV_StsBadSize, "Source array is too big or destination array is too small" );
+
+    if( !CV_ARE_TYPES_EQ( src, dst ))
+        CV_ERROR( CV_StsUnmatchedFormats, "" );
+
+    type = CV_MAT_TYPE(src->type);
+    pix_size = CV_ELEM_SIZE(type);
+    srcsize = cvGetMatSize(src);
+    dstsize = cvGetMatSize(dst);
+    srcstep = src->step;
+    dststep = dst->step;
+    if( srcstep == 0 )
+        srcstep = CV_STUB_STEP;
+    if( dststep == 0 )
+        dststep = CV_STUB_STEP;
+
+    if( bordertype == IPL_BORDER_REPLICATE )
+    {
+        icvCopyReplicateBorder_8u( src->data.ptr, srcstep, srcsize,
+                                   dst->data.ptr, dststep, dstsize,
+                                   offset.y, offset.x, pix_size );
+    }
+    else if( bordertype == IPL_BORDER_REFLECT_101 )
+    {
+        icvCopyReflect101Border_8u( src->data.ptr, srcstep, srcsize,
+                                   dst->data.ptr, dststep, dstsize,
+                                   offset.y, offset.x, pix_size );
+    }
+    else if( bordertype == IPL_BORDER_CONSTANT )
+    {
+        double buf[4];
+        cvScalarToRawData( &value, buf, src->type, 0 );
+        icvCopyConstBorder_8u( src->data.ptr, srcstep, srcsize,
+                               dst->data.ptr, dststep, dstsize,
+                               offset.y, offset.x, pix_size, (uchar*)buf );
+    }
+    else
+        CV_ERROR( CV_StsBadFlag, "Unknown/unsupported border type" );
+    
+    __END__;
+}
+
+namespace cv
+{
+
+void copyMakeBorder( const Mat& src, Mat& dst, int top, int bottom,
+                     int left, int right, int borderType, const Scalar& value )
+{
+    dst.create( src.rows + top + bottom, src.cols + left + right, src.type() );
+    CvMat _src = src, _dst = dst;
+    cvCopyMakeBorder( &_src, &_dst, Point(left, top), borderType, value );
+}
+
+}
+
+/* End of file. */