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Merge pull request #10493 from RachexCoralie:tiff32FC1Codec

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* Load and save tiff images in CV_32FC1 format (1 channel of floats).

* Add test

* Fix error handling and resources leak. Improve test.
This commit is contained in:
Coralie RACHEX
2018-01-04 13:51:58 +01:00
committed by Alexander Alekhin
parent 45c5f0a549
commit 16821b877c
3 changed files with 113 additions and 6 deletions
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modules/imgcodecs/test/test_tiff.cpp
+17
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@@ -146,6 +146,23 @@ TEST(Imgcodecs_Tiff, decode_infinite_rowsperstrip)
EXPECT_EQ(0, remove(filename.c_str()));
}
TEST(Imgcodecs_Tiff, readWrite_32FC1)
{
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/test32FC1.tiff";
const string filenameOutput = cv::tempfile(".tiff");
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_32FC1,img.type());
ASSERT_TRUE(cv::imwrite(filenameOutput, img));
const Mat img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED);
ASSERT_EQ(img2.type(),img.type());
ASSERT_EQ(img2.size(),img.size());
EXPECT_GE(1e-3, cvtest::norm(img, img2, NORM_INF | NORM_RELATIVE));
EXPECT_EQ(0, remove(filenameOutput.c_str()));
}
//==================================================================================================
typedef testing::TestWithParam<int> Imgcodecs_Tiff_Modes;