122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
/*M///////////////////////////////////////////////////////////////////////////////////////
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//
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// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
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//
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// By downloading, copying, installing or using the software you agree to this license.
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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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//
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//
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// License Agreement
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// For Open Source Computer Vision Library
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//
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// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
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// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
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// Third party copyrights are property of their respective owners.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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//
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// * Redistribution's of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// * Redistribution's in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// * The name of the copyright holders may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// This software is provided by the copyright holders and contributors "as is" and
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// any express or implied warranties, including, but not limited to, the implied
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// warranties of merchantability and fitness for a particular purpose are disclaimed.
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// In no event shall the Intel Corporation or contributors be liable for any direct,
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// indirect, incidental, special, exemplary, or consequential damages
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// (including, but not limited to, procurement of substitute goods or services;
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// loss of use, data, or profits; or business interruption) however caused
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// and on any theory of liability, whether in contract, strict liability,
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// or tort (including negligence or otherwise) arising in any way out of
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// the use of this software, even if advised of the possibility of such damage.
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//
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//M*/
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#ifndef OPENCV_STITCHING_UTIL_HPP
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#define OPENCV_STITCHING_UTIL_HPP
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#include <list>
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#include "opencv2/core.hpp"
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namespace cv {
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namespace detail {
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//! @addtogroup stitching
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//! @{
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class CV_EXPORTS DisjointSets
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{
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public:
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DisjointSets(int elem_count = 0) { createOneElemSets(elem_count); }
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void createOneElemSets(int elem_count);
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int findSetByElem(int elem);
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int mergeSets(int set1, int set2);
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std::vector<int> parent;
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std::vector<int> size;
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private:
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std::vector<int> rank_;
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};
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struct CV_EXPORTS GraphEdge
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{
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GraphEdge(int from, int to, float weight);
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bool operator <(const GraphEdge& other) const { return weight < other.weight; }
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bool operator >(const GraphEdge& other) const { return weight > other.weight; }
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int from, to;
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float weight;
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};
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inline GraphEdge::GraphEdge(int _from, int _to, float _weight) : from(_from), to(_to), weight(_weight) {}
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class CV_EXPORTS Graph
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{
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public:
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Graph(int num_vertices = 0) { create(num_vertices); }
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void create(int num_vertices) { edges_.assign(num_vertices, std::list<GraphEdge>()); }
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int numVertices() const { return static_cast<int>(edges_.size()); }
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void addEdge(int from, int to, float weight);
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template <typename B> B forEach(B body) const;
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template <typename B> B walkBreadthFirst(int from, B body) const;
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private:
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std::vector< std::list<GraphEdge> > edges_;
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};
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//////////////////////////////////////////////////////////////////////////////
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// Auxiliary functions
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CV_EXPORTS bool overlapRoi(Point tl1, Point tl2, Size sz1, Size sz2, Rect &roi);
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CV_EXPORTS Rect resultRoi(const std::vector<Point> &corners, const std::vector<UMat> &images);
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CV_EXPORTS Rect resultRoi(const std::vector<Point> &corners, const std::vector<Size> &sizes);
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CV_EXPORTS Rect resultRoiIntersection(const std::vector<Point> &corners, const std::vector<Size> &sizes);
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CV_EXPORTS Point resultTl(const std::vector<Point> &corners);
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// Returns random 'count' element subset of the {0,1,...,size-1} set
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CV_EXPORTS void selectRandomSubset(int count, int size, std::vector<int> &subset);
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CV_EXPORTS int& stitchingLogLevel();
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//! @}
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} // namespace detail
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} // namespace cv
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#include "util_inl.hpp"
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#endif // OPENCV_STITCHING_UTIL_HPP
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