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grmDataStructures.h 1.42 KiB
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/*=========================================================================
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  Program: Generic Region Merging Library
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  Language: C++
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  author: Lassalle Pierre
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  contact: lassallepierre34@gmail.com
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  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved
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     This software is distributed WITHOUT ANY WARRANTY; without even
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     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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     PURPOSE.  See the above copyright notices for more information.
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=========================================================================*/
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#ifndef GRM_DATA_STRUCTURES_H
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#define GRM_DATA_STRUCTURES_H
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#include <stdexcept>
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#include <bitset>
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#include <vector>
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namespace grm
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{
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	struct BoundingBox
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	{
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		/* X coordinate of the upper left. */
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		long unsigned int m_UX;
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		/* Y coordinate of the upper left. */
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		long unsigned int m_UY;
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		/* Width */
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		unsigned int m_W;
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		/* Height */
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		unsigned int m_H;
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	};
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	BoundingBox MergeBoundingBoxes(const BoundingBox& bb1,
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								   const BoundingBox& bb2)
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	{
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		long unsigned int min_ux, min_uy, max_xw, max_yh;
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		BoundingBox bb;
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		min_ux = std::min(bb1.m_UX, bb2.m_UX);
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		min_uy = std::min(bb1.m_UY, bb2.m_UY);
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		max_xw = std::max(bb1.m_UX + bb1.m_W, bb2.m_UX + bb2.m_W);
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		max_yh = std::max(bb1.m_UY + bb1.m_H, bb2.m_UY + bb2.m_H);
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		bb.m_UX = min_ux;
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		bb.m_UY = min_uy;
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		bb.m_W = max_xw - min_ux;
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		bb.m_H = max_yh - min_uy;
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		return bb;
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	}
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} // end of namespace grm
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#endif
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