chore: import upstream snapshot with attribution

2026-07-13 12:06:04 +08:00
commit 86c9b1c39f
7743 changed files with 3316339 additions and 0 deletions
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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "test_precomp.hpp"
+
+namespace opencv_test { namespace {
+
+class CV_ImgprocUMatTest : public cvtest::BaseTest
+{
+public:
+    CV_ImgprocUMatTest() {}
+    ~CV_ImgprocUMatTest() {}
+protected:
+    void run(int)
+    {
+        string imgpath = string(ts->get_data_path()) + "shared/lena.png";
+        Mat img = imread(imgpath, IMREAD_COLOR), gray, smallimg, result;
+        UMat uimg = img.getUMat(ACCESS_READ), ugray, usmallimg, uresult;
+
+        cvtColor(img, gray, COLOR_BGR2GRAY);
+        resize(gray, smallimg, Size(), 0.75, 0.75, INTER_LINEAR_EXACT);
+        equalizeHist(smallimg, result);
+
+        cvtColor(uimg, ugray, COLOR_BGR2GRAY);
+        resize(ugray, usmallimg, Size(), 0.75, 0.75, INTER_LINEAR_EXACT);
+        equalizeHist(usmallimg, uresult);
+
+#if 0
+        imshow("orig", uimg);
+        imshow("small", usmallimg);
+        imshow("equalized gray", uresult);
+        waitKey();
+        destroyWindow("orig");
+        destroyWindow("small");
+        destroyWindow("equalized gray");
+#endif
+        ts->set_failed_test_info(cvtest::TS::OK);
+
+        (void)uresult.getMat(ACCESS_READ);
+    }
+};
+
+TEST(Imgproc_UMat, regression) { CV_ImgprocUMatTest test; test.safe_run(); }
+
+}} // namespace