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fixed #1373

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This commit is contained in:
Marina Kolpakova 2012-03-29 01:16:33 +00:00
parent d46f44b48a
commit f5152500be
2 changed files with 88 additions and 6 deletions
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17
modules/imgproc/src/contours.cpp
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@ -1984,17 +1984,22 @@ void cv::fitLine( InputArray _points, OutputArray _line, int distType,
double param, double reps, double aeps )
{
Mat points = _points.getMat();
bool is3d = points.checkVector(3) >= 0, is2d = is3d ? false : points.checkVector(2) >= 0;
CV_Assert((is2d || is3d) && (points.depth() == CV_32F || points.depth() == CV_32S));
CvMat _cpoints = points;
bool is3d = points.checkVector(3) >= 0;
bool is2d = points.checkVector(2) >= 0;
CV_Assert( (is2d || is3d) && (points.depth() == CV_32F || points.depth() == CV_32S) );
CvMat _cpoints = points.reshape(2 + is3d);
float line[6];
cvFitLine(&_cpoints, distType, param, reps, aeps, &line[0]);
_line.create(is2d ? 4 : 6, 1, CV_32F, -1, true);
int out_size = (is2d)?( (is3d)? (points.channels() * points.rows * 2) : 4 ): 6;
_line.create(out_size, 1, CV_32F, -1, true);
Mat l = _line.getMat();
CV_Assert( l.isContinuous() );
memcpy( l.data, line, (is2d ? 4 : 6)*sizeof(line[0]) );
memcpy( l.data, line, out_size * sizeof(line[0]) );
}

77
modules/imgproc/test/test_imgwarp.cpp
View File

@ -1385,6 +1385,83 @@ TEST(Imgproc_cvWarpAffine, regression)
cvWarpAffine(src, dst, &M);
}
TEST(Imgproc_fitLine_vector_3d, regression)
{
std::vector<Point3f> points_vector;
Point3f p21(4,4,4);
Point3f p22(8,8,8);
points_vector.push_back(p21);
points_vector.push_back(p22);
std::vector<float> line;
cv::fitLine(points_vector, line, CV_DIST_L2, 0 ,0 ,0);
ASSERT_EQ(line.size(), (size_t)6);
}
TEST(Imgproc_fitLine_vector_2d, regression)
{
std::vector<Point2f> points_vector;
Point2f p21(4,4);
Point2f p22(8,8);
Point2f p23(16,16);
points_vector.push_back(p21);
points_vector.push_back(p22);
points_vector.push_back(p23);
std::vector<float> line;
cv::fitLine(points_vector, line, CV_DIST_L2, 0 ,0 ,0);
ASSERT_EQ(line.size(), (size_t)4);
}
TEST(Imgproc_fitLine_Mat_2dC2, regression)
{
cv::Mat mat1(3, 1, CV_32SC2);
std::vector<float> line1;
cv::fitLine(mat1, line1, CV_DIST_L2, 0 ,0 ,0);
ASSERT_EQ(line1.size(), (size_t)4);
}
TEST(Imgproc_fitLine_Mat_2dC1, regression)
{
cv::Matx<int, 3, 2> mat2;
std::vector<float> line2;
cv::fitLine(mat2, line2, CV_DIST_L2, 0 ,0 ,0);
ASSERT_EQ(line2.size(), (size_t)4);
}
TEST(Imgproc_fitLine_Mat_3dC3, regression)
{
cv::Mat mat1(2, 1, CV_32SC3);
std::vector<float> line1;
cv::fitLine(mat1, line1, CV_DIST_L2, 0 ,0 ,0);
ASSERT_EQ(line1.size(), (size_t)6);
}
TEST(Imgproc_fitLine_Mat_3dC1, regression)
{
cv::Mat mat2(2, 3, CV_32SC1);
std::vector<float> line2;
cv::fitLine(mat2, line2, CV_DIST_L2, 0 ,0 ,0);
ASSERT_EQ(line2.size(), (size_t)6);
}
//////////////////////////////////////////////////////////////////////////
TEST(Imgproc_Resize, accuracy) { CV_ResizeTest test; test.safe_run(); }