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imgproc: fixed imread with output image argument, minor refactoring, fixes in HDR

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This commit is contained in:
Maksim Shabunin
2024-06-04 14:44:39 +03:00
parent 2624929ec6
commit b77c74b6fc
4 changed files with 72 additions and 83 deletions
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modules/imgcodecs/test/test_read_write.cpp
+29
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@@ -282,6 +282,35 @@ TEST(Imgcodecs_Image, regression_9376)
EXPECT_EQ(32, m.rows);
}
TEST(Imgcodecs_Image, imread_overload)
{
const string root = cvtest::TS::ptr()->get_data_path();
const string imgName = findDataFile("../highgui/readwrite/ordinary.bmp");
Mat ref = imread(imgName);
ASSERT_FALSE(ref.empty());
{
Mat img(ref.size(), ref.type(), Scalar::all(0)); // existing image
void * ptr = img.data;
imread(imgName, img);
ASSERT_FALSE(img.empty());
EXPECT_EQ(cv::norm(ref, img, NORM_INF), 0);
EXPECT_EQ(img.data, ptr); // no reallocation
}
{
Mat img; // empty image
imread(imgName, img);
ASSERT_FALSE(img.empty());
EXPECT_EQ(cv::norm(ref, img, NORM_INF), 0);
}
{
UMat img; // empty UMat
imread(imgName, img);
ASSERT_FALSE(img.empty());
EXPECT_EQ(cv::norm(ref, img, NORM_INF), 0);
}
}
//==================================================================================================
TEST(Imgcodecs_Image, write_umat)