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c969f7b9f8
Alpha composite support - #29784 closes: https://github.com/opencv/opencv/issues/20780 https://github.com/opencv/opencv/issues/13135 https://github.com/opencv/opencv/issues/23706 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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// Copyright (C) 2026, BigVision LLC, all rights reserved.
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// Third party copyrights are property of their respective owners.
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#include "perf_precomp.hpp"
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namespace opencv_test {
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typedef tuple<Size, int> Size_BgChannels_t;
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typedef perf::TestBaseWithParam<Size_BgChannels_t> Size_BgChannels;
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PERF_TEST_P(Size_BgChannels, alphaComposite,
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testing::Combine(
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testing::Values(szVGA, sz720p, sz1080p),
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testing::Values(3, 4)
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)
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)
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{
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Size size = get<0>(GetParam());
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int bgChannels = get<1>(GetParam());
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Mat overlay(size, CV_8UC4);
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Mat background(size, CV_8UC(bgChannels));
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Mat dst(size, CV_8UC(bgChannels));
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declare.in(overlay, background, WARMUP_RNG).out(dst);
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TEST_CYCLE() alphaComposite(overlay, background, dst, ALPHA_COMPOSITE_OVER);
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SANITY_CHECK_NOTHING();
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}
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} // namespace opencv_test
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