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Merge pull request #23108 from crackwitz:issue-23107

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Usage of imread(): magic number 0, unchecked result

* docs: rewrite 0/1 to IMREAD_GRAYSCALE/IMREAD_COLOR in imread()

* samples, apps: rewrite 0/1 to IMREAD_GRAYSCALE/IMREAD_COLOR in imread()

* tests: rewrite 0/1 to IMREAD_GRAYSCALE/IMREAD_COLOR in imread()

* doc/py_tutorials: check imread() result
This commit is contained in:
Christoph Rackwitz
2023-01-09 01:55:31 -08:00
committed by GitHub
parent 7b7774476e
commit a64b51dd94
57 changed files with 129 additions and 74 deletions
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modules/imgproc/test/test_connectedcomponents.cpp
+1 -1
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@@ -81,7 +81,7 @@ void CV_ConnectedComponentsTest::run(int /* start_from */)
int ccltype[] = { cv::CCL_DEFAULT, cv::CCL_WU, cv::CCL_GRANA, cv::CCL_BOLELLI, cv::CCL_SAUF, cv::CCL_BBDT, cv::CCL_SPAGHETTI };
string exp_path = string(ts->get_data_path()) + "connectedcomponents/ccomp_exp.png";
Mat exp = imread(exp_path, 0);
Mat exp = imread(exp_path, IMREAD_GRAYSCALE);
Mat orig = imread(string(ts->get_data_path()) + "connectedcomponents/concentric_circles.png", 0);
if (orig.empty())