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Merge pull request #321 from apavlenko:warp_sanity_check

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Andrey Kamaev
2013-01-24 13:05:53 +04:00
committed by OpenCV Buildbot
parent 0773ab4d07 e287dea91b
commit 3c4cfccc88
4 changed files with 114 additions and 48 deletions
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modules/ts/include/opencv2/ts/ts.hpp
+9
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@@ -547,6 +547,15 @@ struct CV_EXPORTS DefaultRngAuto
}
namespace cvtest
{
// test images generation functions
CV_EXPORTS void fillGradient(Mat& img, int delta = 5);
CV_EXPORTS void smoothBorder(Mat& img, const Scalar& color, int delta = 3);
} //namespace cvtest
// fills c with zeros
CV_EXPORTS void cvTsZero( CvMat* c, const CvMat* mask=0 );
modules/ts/src/ts.cpp
+74
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@@ -47,6 +47,7 @@
#include <time.h>
#if defined WIN32 || defined _WIN32 || defined WIN64 || defined _WIN64
#include <io.h>
#define NOMINMAX
#include <windows.h>
#ifdef _MSC_VER
@@ -582,6 +583,79 @@ void TS::printf( int streams, const char* fmt, ... )
TS ts;
TS* TS::ptr() { return &ts; }
void fillGradient(Mat& img, int delta)
{
const int ch = img.channels();
CV_Assert(!img.empty() && img.depth() == CV_8U && ch <= 4);
int n = 255 / delta;
int r, c, i;
for(r=0; r<img.rows; r++)
{
int kR = r % (2*n);
int valR = (kR<=n) ? delta*kR : delta*(2*n-kR);
for(c=0; c<img.cols; c++)
{
int kC = c % (2*n);
int valC = (kC<=n) ? delta*kC : delta*(2*n-kC);
uchar vals[] = {uchar(valR), uchar(valC), uchar(200*r/img.rows), uchar(255)};
uchar *p = img.ptr(r, c);
for(i=0; i<ch; i++) p[i] = vals[i];
}
}
}
void smoothBorder(Mat& img, const Scalar& color, int delta)
{
const int ch = img.channels();
CV_Assert(!img.empty() && img.depth() == CV_8U && ch <= 4);
Scalar s;
uchar *p = NULL;
int n = 100/delta;
int nR = std::min(n, (img.rows+1)/2), nC = std::min(n, (img.cols+1)/2);
int r, c, i;
for(r=0; r<nR; r++)
{
double k1 = r*delta/100., k2 = 1-k1;
for(c=0; c<img.cols; c++)
{
p = img.ptr(r, c);
for(i=0; i<ch; i++) s[i] = p[i];
s = s * k1 + color * k2;
for(i=0; i<ch; i++) p[i] = uchar(s[i]);
}
for(c=0; c<img.cols; c++)
{
p = img.ptr(img.rows-r-1, c);
for(i=0; i<ch; i++) s[i] = p[i];
s = s * k1 + color * k2;
for(i=0; i<ch; i++) p[i] = uchar(s[i]);
}
}
for(r=0; r<img.rows; r++)
{
for(c=0; c<nC; c++)
{
double k1 = c*delta/100., k2 = 1-k1;
p = img.ptr(r, c);
for(i=0; i<ch; i++) s[i] = p[i];
s = s * k1 + color * k2;
for(i=0; i<ch; i++) p[i] = uchar(s[i]);
}
for(c=0; c<n; c++)
{
double k1 = c*delta/100., k2 = 1-k1;
p = img.ptr(r, img.cols-c-1);
for(i=0; i<ch; i++) s[i] = p[i];
s = s * k1 + color * k2;
for(i=0; i<ch; i++) p[i] = uchar(s[i]);
}
}
}
} //namespace cvtest
/* End of file. */