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/*M///////////////////////////////////////////////////////////////////////////////////////
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// If you do not agree to this license, do not download, install,
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// copy or use the software.
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// Intel License Agreement
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// For Open Source Computer Vision Library
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// Copyright (C) 2000, Intel Corporation, all rights reserved.
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#include "test_precomp.hpp"
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TEST(MultiBandBlender, CanBlendTwoImages)
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Mat image1 = imread(string(cvtest::TS::ptr()->get_data_path()) + "cv/shared/baboon.png");
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Mat image2 = imread(string(cvtest::TS::ptr()->get_data_path()) + "cv/shared/lena.png");
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ASSERT_EQ(image1.rows, image2.rows); ASSERT_EQ(image1.cols, image2.cols);
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image1.convertTo(image1s, CV_16S);
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image2.convertTo(image2s, CV_16S);
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Mat mask1(image1s.size(), CV_8U);
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mask1(Rect(0, 0, mask1.cols/2, mask1.rows)).setTo(255);
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mask1(Rect(mask1.cols/2, 0, mask1.cols - mask1.cols/2, mask1.rows)).setTo(0);
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Mat mask2(image2s.size(), CV_8U);
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mask2(Rect(0, 0, mask2.cols/2, mask2.rows)).setTo(0);
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mask2(Rect(mask2.cols/2, 0, mask2.cols - mask2.cols/2, mask2.rows)).setTo(255);
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detail::MultiBandBlender blender(false, 5);
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blender.prepare(Rect(0, 0, max(image1s.cols, image2s.cols), max(image1s.rows, image2s.rows)));
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blender.feed(image1s, mask1, Point(0,0));
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blender.feed(image2s, mask2, Point(0,0));
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Mat result_s, result_mask;
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blender.blend(result_s, result_mask);
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Mat result; result_s.convertTo(result, CV_8U);
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Mat expected = imread(string(cvtest::TS::ptr()->get_data_path()) + "stitching/baboon_lena.png");
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double psnr = cvtest::PSNR(expected, result);