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Merge pull request #21428 from Harvey-Huang:TIFF

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TiffEncoder write support more depth type

* TiffEncoder write support more depth type

* testing code

* update testing code

* add fallthrough
This commit is contained in:
Harvey
2022-02-01 01:54:27 +08:00
committed by GitHub
parent 6811d3d80b
commit f4a7754cc0
2 changed files with 37 additions and 4 deletions
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modules/imgcodecs/test/test_tiff.cpp
+20
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@@ -147,6 +147,26 @@ TEST(Imgcodecs_Tiff, decode_infinite_rowsperstrip)
EXPECT_EQ(0, remove(filename.c_str()));
}
TEST(Imgcodecs_Tiff, readWrite_unsigned)
{
const string root = cvtest::TS::ptr()->get_data_path();
const string filenameInput = root + "readwrite/gray_8u.tif";
const string filenameOutput = cv::tempfile(".tiff");
const Mat img = cv::imread(filenameInput, IMREAD_UNCHANGED);
ASSERT_FALSE(img.empty());
ASSERT_EQ(CV_8UC1, img.type());
Mat matS8;
img.convertTo(matS8, CV_8SC1);
ASSERT_TRUE(cv::imwrite(filenameOutput, matS8));
const Mat img2 = cv::imread(filenameOutput, IMREAD_UNCHANGED);
ASSERT_EQ(img2.type(), matS8.type());
ASSERT_EQ(img2.size(), matS8.size());
EXPECT_LE(cvtest::norm(matS8, img2, NORM_INF | NORM_RELATIVE), 1e-3);
EXPECT_EQ(0, remove(filenameOutput.c_str()));
}
TEST(Imgcodecs_Tiff, readWrite_32FC1)
{
const string root = cvtest::TS::ptr()->get_data_path();