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converted flood fill, getrectsubpix & cornersubpix to C++

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This commit is contained in:
Vadim Pisarevsky
2013-02-11 23:49:10 +04:00
parent c527340cb6
commit 06f4a56469
8 changed files with 451 additions and 1186 deletions
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381
modules/imgproc/src/floodfill.cpp
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@@ -7,10 +7,11 @@
// copy or use the software.
//
//
// Intel License Agreement
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
@@ -23,7 +24,7 @@
// 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
// * The name of the copyright holders 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
@@ -41,7 +42,10 @@
#include "precomp.hpp"
typedef struct CvFFillSegment
namespace cv
{
struct FFillSegment
{
ushort y;
ushort l;
@@ -49,11 +53,13 @@ typedef struct CvFFillSegment
ushort prevl;
ushort prevr;
short dir;
}
CvFFillSegment;
};
#define UP 1
#define DOWN -1
enum
{
UP = 1,
DOWN = -1
};
#define ICV_PUSH( Y, L, R, PREV_L, PREV_R, DIR ) \
{ \
@@ -65,7 +71,7 @@ CvFFillSegment;
tail->dir = (short)(DIR); \
if( ++tail == buffer_end ) \
{ \
buffer->resize(buffer->size() * 2); \
buffer->resize(buffer->size() * 3/2); \
tail = &buffer->front() + (tail - head); \
head = &buffer->front(); \
buffer_end = head + buffer->size(); \
@@ -83,23 +89,52 @@ CvFFillSegment;
DIR = tail->dir; \
}
/****************************************************************************************\
* Simple Floodfill (repainting single-color connected component) *
\****************************************************************************************/
struct ConnectedComp
{
ConnectedComp();
Rect rect;
Point pt;
int threshold;
int label;
int area;
int harea;
int carea;
int perimeter;
int nholes;
int ninflections;
double mx;
double my;
Scalar avg;
Scalar sdv;
};
ConnectedComp::ConnectedComp()
{
rect = Rect(0, 0, 0, 0);
pt = Point(-1, -1);
threshold = -1;
label = -1;
area = harea = carea = perimeter = nholes = ninflections = 0;
mx = my = 0;
avg = sdv = Scalar::all(0);
}
// Simple Floodfill (repainting single-color connected component)
template<typename _Tp>
static void
icvFloodFill_CnIR( uchar* pImage, int step, CvSize roi, CvPoint seed,
_Tp newVal, CvConnectedComp* region, int flags,
std::vector<CvFFillSegment>* buffer )
floodFill_CnIR( Mat& image, Point seed,
_Tp newVal, ConnectedComp* region, int flags,
std::vector<FFillSegment>* buffer )
{
typedef typename cv::DataType<_Tp>::channel_type _CTp;
_Tp* img = (_Tp*)(pImage + step * seed.y);
typedef typename DataType<_Tp>::channel_type _CTp;
_Tp* img = (_Tp*)(image.data + image.step * seed.y);
Size roi = image.size();
int i, L, R;
int area = 0;
int XMin, XMax, YMin = seed.y, YMax = seed.y;
int _8_connectivity = (flags & 255) == 8;
CvFFillSegment* buffer_end = &buffer->front() + buffer->size(), *head = &buffer->front(), *tail = &buffer->front();
FFillSegment* buffer_end = &buffer->front() + buffer->size(), *head = &buffer->front(), *tail = &buffer->front();
L = R = XMin = XMax = seed.x;
@@ -142,7 +177,7 @@ icvFloodFill_CnIR( uchar* pImage, int step, CvSize roi, CvPoint seed,
for( k = 0; k < 3; k++ )
{
dir = data[k][0];
img = (_Tp*)(pImage + (YC + dir) * step);
img = (_Tp*)(image.data + (YC + dir) * image.step);
int left = data[k][1];
int right = data[k][2];
@@ -169,12 +204,12 @@ icvFloodFill_CnIR( uchar* pImage, int step, CvSize roi, CvPoint seed,
if( region )
{
region->pt = seed;
region->area = area;
region->rect.x = XMin;
region->rect.y = YMin;
region->rect.width = XMax - XMin + 1;
region->rect.height = YMax - YMin + 1;
region->value = cv::Scalar(newVal);
}
}
@@ -192,12 +227,12 @@ struct Diff8uC1
struct Diff8uC3
{
Diff8uC3(cv::Vec3b _lo, cv::Vec3b _up)
Diff8uC3(Vec3b _lo, Vec3b _up)
{
for( int k = 0; k < 3; k++ )
lo[k] = _lo[k], interval[k] = _lo[k] + _up[k];
}
bool operator()(const cv::Vec3b* a, const cv::Vec3b* b) const
bool operator()(const Vec3b* a, const Vec3b* b) const
{
return (unsigned)(a[0][0] - b[0][0] + lo[0]) <= interval[0] &&
(unsigned)(a[0][1] - b[0][1] + lo[1]) <= interval[1] &&
@@ -233,37 +268,30 @@ struct DiffC3
};
typedef DiffC1<int> Diff32sC1;
typedef DiffC3<cv::Vec3i> Diff32sC3;
typedef DiffC3<Vec3i> Diff32sC3;
typedef DiffC1<float> Diff32fC1;
typedef DiffC3<cv::Vec3f> Diff32fC3;
typedef DiffC3<Vec3f> Diff32fC3;
static cv::Vec3i& operator += (cv::Vec3i& a, const cv::Vec3b& b)
{
a[0] += b[0];
a[1] += b[1];
a[2] += b[2];
return a;
}
template<typename _Tp, typename _WTp, class Diff>
template<typename _Tp, typename _MTp, typename _WTp, class Diff>
static void
icvFloodFillGrad_CnIR( uchar* pImage, int step, uchar* pMask, int maskStep,
CvSize /*roi*/, CvPoint seed, _Tp newVal, Diff diff,
CvConnectedComp* region, int flags,
std::vector<CvFFillSegment>* buffer )
floodFillGrad_CnIR( Mat& image, Mat& msk,
Point seed, _Tp newVal, _MTp newMaskVal,
Diff diff, ConnectedComp* region, int flags,
std::vector<FFillSegment>* buffer )
{
typedef typename cv::DataType<_Tp>::channel_type _CTp;
typedef typename DataType<_Tp>::channel_type _CTp;
int step = (int)image.step, maskStep = (int)msk.step;
uchar* pImage = image.data;
_Tp* img = (_Tp*)(pImage + step*seed.y);
uchar* mask = (pMask += maskStep + 1) + maskStep*seed.y;
uchar* pMask = msk.data + maskStep + sizeof(_MTp);
_MTp* mask = (_MTp*)(pMask + maskStep*seed.y);
int i, L, R;
int area = 0;
_WTp sum = _WTp((typename cv::DataType<_Tp>::channel_type)0);
int XMin, XMax, YMin = seed.y, YMax = seed.y;
int _8_connectivity = (flags & 255) == 8;
int fixedRange = flags & CV_FLOODFILL_FIXED_RANGE;
int fillImage = (flags & CV_FLOODFILL_MASK_ONLY) == 0;
uchar newMaskVal = (uchar)(flags & 0xff00 ? flags >> 8 : 1);
CvFFillSegment* buffer_end = &buffer->front() + buffer->size(), *head = &buffer->front(), *tail = &buffer->front();
int fixedRange = flags & FLOODFILL_FIXED_RANGE;
int fillImage = (flags & FLOODFILL_MASK_ONLY) == 0;
FFillSegment* buffer_end = &buffer->front() + buffer->size(), *head = &buffer->front(), *tail = &buffer->front();
L = R = seed.x;
if( mask[L] )
@@ -323,7 +351,7 @@ icvFloodFillGrad_CnIR( uchar* pImage, int step, uchar* pMask, int maskStep,
dir = data[k][0];
img = (_Tp*)(pImage + (YC + dir) * step);
_Tp* img1 = (_Tp*)(pImage + YC * step);
mask = pMask + (YC + dir) * maskStep;
mask = (_MTp*)(pMask + (YC + dir) * maskStep);
int left = data[k][1];
int right = data[k][2];
@@ -354,7 +382,7 @@ icvFloodFillGrad_CnIR( uchar* pImage, int step, uchar* pMask, int maskStep,
mask[j] = newMaskVal;
while( !mask[++i] &&
(diff( img + i, img + (i-1) ) ||
(diff( img + i, img + (i-1) ) ||
(diff( img + i, img1 + i) && i <= R)))
mask[i] = newMaskVal;
@@ -368,13 +396,13 @@ icvFloodFillGrad_CnIR( uchar* pImage, int step, uchar* pMask, int maskStep,
_Tp val;
if( !mask[i] &&
(((val = img[i],
(unsigned)(idx = i-L-1) <= length) &&
diff( &val, img1 + (i-1))) ||
(((val = img[i],
(unsigned)(idx = i-L-1) <= length) &&
diff( &val, img1 + (i-1))) ||
((unsigned)(++idx) <= length &&
diff( &val, img1 + i )) ||
diff( &val, img1 + i )) ||
((unsigned)(++idx) <= length &&
diff( &val, img1 + (i+1) ))))
diff( &val, img1 + (i+1) ))))
{
int j = i;
mask[i] = newMaskVal;
@@ -382,14 +410,14 @@ icvFloodFillGrad_CnIR( uchar* pImage, int step, uchar* pMask, int maskStep,
mask[j] = newMaskVal;
while( !mask[++i] &&
((val = img[i],
diff( &val, img + (i-1) )) ||
((val = img[i],
diff( &val, img + (i-1) )) ||
(((unsigned)(idx = i-L-1) <= length &&
diff( &val, img1 + (i-1) ))) ||
diff( &val, img1 + (i-1) ))) ||
((unsigned)(++idx) <= length &&
diff( &val, img1 + i )) ||
diff( &val, img1 + i )) ||
((unsigned)(++idx) <= length &&
diff( &val, img1 + (i+1) ))))
diff( &val, img1 + (i+1) ))))
mask[i] = newMaskVal;
ICV_PUSH( YC + dir, j+1, i-1, L, R, -dir );
@@ -401,56 +429,40 @@ icvFloodFillGrad_CnIR( uchar* pImage, int step, uchar* pMask, int maskStep,
if( fillImage )
for( i = L; i <= R; i++ )
img[i] = newVal;
else if( region )
for( i = L; i <= R; i++ )
sum += img[i];
/*else if( region )
for( i = L; i <= R; i++ )
sum += img[i];*/
}
if( region )
{
region->pt = seed;
region->label = saturate_cast<int>(newMaskVal);
region->area = area;
region->rect.x = XMin;
region->rect.y = YMin;
region->rect.width = XMax - XMin + 1;
region->rect.height = YMax - YMin + 1;
if( fillImage )
region->value = cv::Scalar(newVal);
else
{
double iarea = area ? 1./area : 0;
region->value = cv::Scalar(sum*iarea);
}
}
}
}
/****************************************************************************************\
* External Functions *
\****************************************************************************************/
typedef void (*CvFloodFillFunc)(
void* img, int step, CvSize size, CvPoint seed, void* newval,
CvConnectedComp* comp, int flags, void* buffer, int cn );
typedef void (*CvFloodFillGradFunc)(
void* img, int step, uchar* mask, int maskStep, CvSize size,
CvPoint seed, void* newval, void* d_lw, void* d_up, void* ccomp,
int flags, void* buffer, int cn );
CV_IMPL void
cvFloodFill( CvArr* arr, CvPoint seed_point,
CvScalar newVal, CvScalar lo_diff, CvScalar up_diff,
CvConnectedComp* comp, int flags, CvArr* maskarr )
int cv::floodFill( InputOutputArray _image, InputOutputArray _mask,
Point seedPoint, Scalar newVal, Rect* rect,
Scalar loDiff, Scalar upDiff, int flags )
{
cv::Ptr<CvMat> tempMask;
std::vector<CvFFillSegment> buffer;
ConnectedComp comp;
vector<FFillSegment> buffer;
if( comp )
memset( comp, 0, sizeof(*comp) );
if( rect )
*rect = Rect();
int i, type, depth, cn, is_simple;
int buffer_size, connectivity = flags & 255;
int i, connectivity = flags & 255;
union {
uchar b[4];
int i[4];
@@ -459,191 +471,176 @@ cvFloodFill( CvArr* arr, CvPoint seed_point,
} nv_buf;
nv_buf._[0] = nv_buf._[1] = nv_buf._[2] = nv_buf._[3] = 0;
struct { cv::Vec3b b; cv::Vec3i i; cv::Vec3f f; } ld_buf, ud_buf;
CvMat stub, *img = cvGetMat(arr, &stub);
CvMat maskstub, *mask = (CvMat*)maskarr;
CvSize size;
struct { Vec3b b; Vec3i i; Vec3f f; } ld_buf, ud_buf;
Mat img = _image.getMat(), mask;
if( !_mask.empty() )
mask = _mask.getMat();
Size size = img.size();
type = CV_MAT_TYPE( img->type );
depth = CV_MAT_DEPTH(type);
cn = CV_MAT_CN(type);
int type = img.type();
int depth = img.depth();
int cn = img.channels();
if( connectivity == 0 )
connectivity = 4;
else if( connectivity != 4 && connectivity != 8 )
CV_Error( CV_StsBadFlag, "Connectivity must be 4, 0(=4) or 8" );
is_simple = mask == 0 && (flags & CV_FLOODFILL_MASK_ONLY) == 0;
bool is_simple = mask.empty() && (flags & FLOODFILL_MASK_ONLY) == 0;
for( i = 0; i < cn; i++ )
{
if( lo_diff.val[i] < 0 || up_diff.val[i] < 0 )
if( loDiff[i] < 0 || upDiff[i] < 0 )
CV_Error( CV_StsBadArg, "lo_diff and up_diff must be non-negative" );
is_simple &= fabs(lo_diff.val[i]) < DBL_EPSILON && fabs(up_diff.val[i]) < DBL_EPSILON;
is_simple = is_simple && fabs(loDiff[i]) < DBL_EPSILON && fabs(upDiff[i]) < DBL_EPSILON;
}
size = cvGetMatSize( img );
if( (unsigned)seed_point.x >= (unsigned)size.width ||
(unsigned)seed_point.y >= (unsigned)size.height )
if( (unsigned)seedPoint.x >= (unsigned)size.width ||
(unsigned)seedPoint.y >= (unsigned)size.height )
CV_Error( CV_StsOutOfRange, "Seed point is outside of image" );
cvScalarToRawData( &newVal, &nv_buf, type, 0 );
buffer_size = MAX( size.width, size.height ) * 2;
scalarToRawData( newVal, &nv_buf, type, 0);
size_t buffer_size = MAX( size.width, size.height ) * 2;
buffer.resize( buffer_size );
if( is_simple )
{
int elem_size = CV_ELEM_SIZE(type);
const uchar* seed_ptr = img->data.ptr + img->step*seed_point.y + elem_size*seed_point.x;
int elem_size = img.elemSize();
const uchar* seed_ptr = img.data + img.step*seedPoint.y + elem_size*seedPoint.x;
for(i = 0; i < elem_size; i++)
if (seed_ptr[i] != nv_buf.b[i])
break;
if (i != elem_size)
if( i != elem_size )
{
if( type == CV_8UC1 )
icvFloodFill_CnIR(img->data.ptr, img->step, size, seed_point, nv_buf.b[0],
comp, flags, &buffer);
floodFill_CnIR(img, seedPoint, nv_buf.b[0], &comp, flags, &buffer);
else if( type == CV_8UC3 )
icvFloodFill_CnIR(img->data.ptr, img->step, size, seed_point, cv::Vec3b(nv_buf.b),
comp, flags, &buffer);
floodFill_CnIR(img, seedPoint, Vec3b(nv_buf.b), &comp, flags, &buffer);
else if( type == CV_32SC1 )
icvFloodFill_CnIR(img->data.ptr, img->step, size, seed_point, nv_buf.i[0],
comp, flags, &buffer);
floodFill_CnIR(img, seedPoint, nv_buf.i[0], &comp, flags, &buffer);
else if( type == CV_32FC1 )
icvFloodFill_CnIR(img->data.ptr, img->step, size, seed_point, nv_buf.f[0],
comp, flags, &buffer);
floodFill_CnIR(img, seedPoint, nv_buf.f[0], &comp, flags, &buffer);
else if( type == CV_32SC3 )
icvFloodFill_CnIR(img->data.ptr, img->step, size, seed_point, cv::Vec3i(nv_buf.i),
comp, flags, &buffer);
floodFill_CnIR(img, seedPoint, Vec3i(nv_buf.i), &comp, flags, &buffer);
else if( type == CV_32FC3 )
icvFloodFill_CnIR(img->data.ptr, img->step, size, seed_point, cv::Vec3f(nv_buf.f),
comp, flags, &buffer);
floodFill_CnIR(img, seedPoint, Vec3f(nv_buf.f), &comp, flags, &buffer);
else
CV_Error( CV_StsUnsupportedFormat, "" );
return;
if( rect )
*rect = comp.rect;
return comp.area;
}
}
if( !mask )
if( mask.empty() )
{
/* created mask will be 8-byte aligned */
tempMask = cvCreateMat( size.height + 2, (size.width + 9) & -8, CV_8UC1 );
Mat tempMask( size.height + 2, size.width + 2, CV_8UC1 );
tempMask.setTo(Scalar::all(0));
mask = tempMask;
}
else
{
mask = cvGetMat( mask, &maskstub );
if( !CV_IS_MASK_ARR( mask ))
CV_Error( CV_StsBadMask, "" );
if( mask->width != size.width + 2 || mask->height != size.height + 2 )
CV_Error( CV_StsUnmatchedSizes, "mask must be 2 pixel wider "
"and 2 pixel taller than filled image" );
CV_Assert( mask.rows == size.height+2 && mask.cols == size.width+2 );
CV_Assert( mask.type() == CV_8U );
}
int width = tempMask ? mask->step : size.width + 2;
uchar* mask_row = mask->data.ptr + mask->step;
memset( mask_row - mask->step, 1, width );
memset( mask.data, 1, mask.cols );
memset( mask.data + mask.step*(mask.rows-1), 1, mask.cols );
for( i = 1; i <= size.height; i++, mask_row += mask->step )
for( i = 1; i <= size.height; i++ )
{
if( tempMask )
memset( mask_row, 0, width );
mask_row[0] = mask_row[size.width+1] = (uchar)1;
mask.at<uchar>(i, 0) = mask.at<uchar>(i, mask.cols-1) = (uchar)1;
}
memset( mask_row, 1, width );
if( depth == CV_8U )
for( i = 0; i < cn; i++ )
{
int t = cvFloor(lo_diff.val[i]);
ld_buf.b[i] = CV_CAST_8U(t);
t = cvFloor(up_diff.val[i]);
ud_buf.b[i] = CV_CAST_8U(t);
ld_buf.b[i] = saturate_cast<uchar>(cvFloor(loDiff[i]));
ud_buf.b[i] = saturate_cast<uchar>(cvFloor(upDiff[i]));
}
else if( depth == CV_32S )
for( i = 0; i < cn; i++ )
{
int t = cvFloor(lo_diff.val[i]);
ld_buf.i[i] = t;
t = cvFloor(up_diff.val[i]);
ud_buf.i[i] = t;
ld_buf.i[i] = cvFloor(loDiff[i]);
ud_buf.i[i] = cvFloor(upDiff[i]);
}
else if( depth == CV_32F )
for( i = 0; i < cn; i++ )
{
ld_buf.f[i] = (float)lo_diff.val[i];
ud_buf.f[i] = (float)up_diff.val[i];
ld_buf.f[i] = (float)loDiff[i];
ud_buf.f[i] = (float)upDiff[i];
}
else
CV_Error( CV_StsUnsupportedFormat, "" );
uchar newMaskVal = (uchar)((flags & ~0xff) == 0 ? 1 : ((flags >> 8) & 255));
if( type == CV_8UC1 )
icvFloodFillGrad_CnIR<uchar, int, Diff8uC1>(
img->data.ptr, img->step, mask->data.ptr, mask->step,
size, seed_point, nv_buf.b[0],
Diff8uC1(ld_buf.b[0], ud_buf.b[0]),
comp, flags, &buffer);
floodFillGrad_CnIR<uchar, uchar, int, Diff8uC1>(
img, mask, seedPoint, nv_buf.b[0], newMaskVal,
Diff8uC1(ld_buf.b[0], ud_buf.b[0]),
&comp, flags, &buffer);
else if( type == CV_8UC3 )
icvFloodFillGrad_CnIR<cv::Vec3b, cv::Vec3i, Diff8uC3>(
img->data.ptr, img->step, mask->data.ptr, mask->step,
size, seed_point, cv::Vec3b(nv_buf.b),
Diff8uC3(ld_buf.b, ud_buf.b),
comp, flags, &buffer);
floodFillGrad_CnIR<Vec3b, uchar, Vec3i, Diff8uC3>(
img, mask, seedPoint, Vec3b(nv_buf.b), newMaskVal,
Diff8uC3(ld_buf.b, ud_buf.b),
&comp, flags, &buffer);
else if( type == CV_32SC1 )
icvFloodFillGrad_CnIR<int, int, Diff32sC1>(
img->data.ptr, img->step, mask->data.ptr, mask->step,
size, seed_point, nv_buf.i[0],
Diff32sC1(ld_buf.i[0], ud_buf.i[0]),
comp, flags, &buffer);
floodFillGrad_CnIR<int, uchar, int, Diff32sC1>(
img, mask, seedPoint, nv_buf.i[0], newMaskVal,
Diff32sC1(ld_buf.i[0], ud_buf.i[0]),
&comp, flags, &buffer);
else if( type == CV_32SC3 )
icvFloodFillGrad_CnIR<cv::Vec3i, cv::Vec3i, Diff32sC3>(
img->data.ptr, img->step, mask->data.ptr, mask->step,
size, seed_point, cv::Vec3i(nv_buf.i),
Diff32sC3(ld_buf.i, ud_buf.i),
comp, flags, &buffer);
floodFillGrad_CnIR<Vec3i, uchar, Vec3i, Diff32sC3>(
img, mask, seedPoint, Vec3i(nv_buf.i), newMaskVal,
Diff32sC3(ld_buf.i, ud_buf.i),
&comp, flags, &buffer);
else if( type == CV_32FC1 )
icvFloodFillGrad_CnIR<float, float, Diff32fC1>(
img->data.ptr, img->step, mask->data.ptr, mask->step,
size, seed_point, nv_buf.f[0],
Diff32fC1(ld_buf.f[0], ud_buf.f[0]),
comp, flags, &buffer);
floodFillGrad_CnIR<float, uchar, float, Diff32fC1>(
img, mask, seedPoint, nv_buf.f[0], newMaskVal,
Diff32fC1(ld_buf.f[0], ud_buf.f[0]),
&comp, flags, &buffer);
else if( type == CV_32FC3 )
icvFloodFillGrad_CnIR<cv::Vec3f, cv::Vec3f, Diff32fC3>(
img->data.ptr, img->step, mask->data.ptr, mask->step,
size, seed_point, cv::Vec3f(nv_buf.f),
Diff32fC3(ld_buf.f, ud_buf.f),
comp, flags, &buffer);
floodFillGrad_CnIR<Vec3f, uchar, Vec3f, Diff32fC3>(
img, mask, seedPoint, Vec3f(nv_buf.f), newMaskVal,
Diff32fC3(ld_buf.f, ud_buf.f),
&comp, flags, &buffer);
else
CV_Error(CV_StsUnsupportedFormat, "");
if( rect )
*rect = comp.rect;
return comp.area;
}
int cv::floodFill( InputOutputArray _image, Point seedPoint,
Scalar newVal, Rect* rect,
Scalar loDiff, Scalar upDiff, int flags )
Scalar newVal, Rect* rect,
Scalar loDiff, Scalar upDiff, int flags )
{
CvConnectedComp ccomp;
CvMat c_image = _image.getMat();
cvFloodFill(&c_image, seedPoint, newVal, loDiff, upDiff, &ccomp, flags, 0);
if( rect )
*rect = ccomp.rect;
return cvRound(ccomp.area);
return floodFill(_image, Mat(), seedPoint, newVal, rect, loDiff, upDiff, flags);
}
int cv::floodFill( InputOutputArray _image, InputOutputArray _mask,
Point seedPoint, Scalar newVal, Rect* rect,
Scalar loDiff, Scalar upDiff, int flags )
CV_IMPL void
cvFloodFill( CvArr* arr, CvPoint seed_point,
CvScalar newVal, CvScalar lo_diff, CvScalar up_diff,
CvConnectedComp* comp, int flags, CvArr* maskarr )
{
CvConnectedComp ccomp;
CvMat c_image = _image.getMat(), c_mask = _mask.getMat();
cvFloodFill(&c_image, seedPoint, newVal, loDiff, upDiff, &ccomp, flags, c_mask.data.ptr ? &c_mask : 0);
if( rect )
*rect = ccomp.rect;
return cvRound(ccomp.area);
if( comp )
memset( comp, 0, sizeof(*comp) );
cv::Mat img = cv::cvarrToMat(arr), mask = cv::cvarrToMat(maskarr);
int area = cv::floodFill(img, mask, seed_point, newVal,
comp ? (cv::Rect*)&comp->rect : 0,
lo_diff, up_diff, flags );
if( comp )
{
comp->area = area;
comp->value = newVal;
}
}
/* End of file. */