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fixed empty image condition in resize

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This commit is contained in:
Ilya Lavrenov 2016-07-12 12:39:49 +03:00
parent 02aabcca87
commit 5bc10ef796
2 changed files with 37 additions and 5 deletions
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5
modules/imgproc/src/imgwarp.cpp
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@ -3477,7 +3477,7 @@ void cv::resize( InputArray _src, OutputArray _dst, Size dsize,
{ {
Size ssize = _src.size(); Size ssize = _src.size();
CV_Assert( ssize.area() > 0 ); CV_Assert( ssize.width > 0 && ssize.height > 0 );
CV_Assert( dsize.area() > 0 || (inv_scale_x > 0 && inv_scale_y > 0) ); CV_Assert( dsize.area() > 0 || (inv_scale_x > 0 && inv_scale_y > 0) );
if( dsize.area() == 0 ) if( dsize.area() == 0 )
{ {
@ -3498,7 +3498,8 @@ void cv::resize( InputArray _src, OutputArray _dst, Size dsize,
_dst.create(dsize, src.type()); _dst.create(dsize, src.type());
Mat dst = _dst.getMat(); Mat dst = _dst.getMat();
if (dsize == ssize) { if (dsize == ssize)
{
// Source and destination are of same size. Use simple copy. // Source and destination are of same size. Use simple copy.
src.copyTo(dst); src.copyTo(dst);
return; return;

31
modules/imgproc/test/test_imgwarp_strict.cpp
View File

@ -1218,3 +1218,34 @@ TEST(Imgproc_Resize_Test, accuracy) { CV_Resize_Test test; test.safe_run(); }
TEST(Imgproc_Remap_Test, accuracy) { CV_Remap_Test test; test.safe_run(); } TEST(Imgproc_Remap_Test, accuracy) { CV_Remap_Test test; test.safe_run(); }
TEST(Imgproc_WarpAffine_Test, accuracy) { CV_WarpAffine_Test test; test.safe_run(); } TEST(Imgproc_WarpAffine_Test, accuracy) { CV_WarpAffine_Test test; test.safe_run(); }
TEST(Imgproc_WarpPerspective_Test, accuracy) { CV_WarpPerspective_Test test; test.safe_run(); } TEST(Imgproc_WarpPerspective_Test, accuracy) { CV_WarpPerspective_Test test; test.safe_run(); }
////////////////////////////////////////////////////////////////////////////////////////////////////////
#ifdef OPENCV_TEST_BIGDATA
CV_ENUM(Interpolation, INTER_NEAREST, INTER_LINEAR, INTER_CUBIC, INTER_AREA)
class Imgproc_Resize :
public ::testing::TestWithParam<Interpolation>
{
public:
virtual void SetUp()
{
inter = GetParam();
}
protected:
int inter;
};
TEST_P(Imgproc_Resize, BigSize)
{
cv::Mat src(46342, 46342, CV_8UC3, cv::Scalar::all(10)), dst;
ASSERT_FALSE(src.empty());
ASSERT_NO_THROW(cv::resize(src, dst, cv::Size(), 0.5, 0.5, inter));
}
INSTANTIATE_TEST_CASE_P(Imgproc, Imgproc_Resize, Interpolation::all());
#endif