147 lines
5.7 KiB
C++
147 lines
5.7 KiB
C++
/* ========================================================================= *
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* *
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* OpenMesh *
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* Copyright (c) 2001-2022, RWTH-Aachen University *
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* Department of Computer Graphics and Multimedia *
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* All rights reserved. *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* This file is part of OpenMesh. *
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*---------------------------------------------------------------------------*
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* 1. Redistributions 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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* 2. Redistributions in binary form must reproduce the above copyright *
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* notice, this list of conditions and the following disclaimer in the *
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* documentation and/or other materials provided with the distribution. *
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* *
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* 3. Neither the name of the copyright holder nor the names of its *
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* contributors may be used to endorse or promote products derived from *
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* 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 *
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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* *
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* ========================================================================= */
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//=============================================================================
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//
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// Implements an reader module for STL files
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//
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//=============================================================================
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#ifndef __STLREADER_HH__
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#define __STLREADER_HH__
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//=== INCLUDES ================================================================
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#include <stdio.h>
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#include <string>
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#include <OpenMesh/Core/System/config.h>
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#include <OpenMesh/Core/Utils/SingletonT.hh>
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#include <OpenMesh/Core/IO/reader/BaseReader.hh>
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace IO {
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//== FORWARDS =================================================================
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class BaseImporter;
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//== IMPLEMENTATION ===========================================================
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/**
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Implementation of the STL format reader. This class is singleton'ed by
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SingletonT to STLReader.
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*/
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class OPENMESHDLLEXPORT _STLReader_ : public BaseReader
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{
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public:
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// constructor
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_STLReader_();
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/// Destructor
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virtual ~_STLReader_() {};
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std::string get_description() const override
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{ return "Stereolithography Interface Format"; }
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std::string get_extensions() const override { return "stl stla stlb"; }
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bool read(const std::string& _filename,
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BaseImporter& _bi,
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Options& _opt) override;
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bool read(std::istream& _in,
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BaseImporter& _bi,
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Options& _opt) override;
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/** Set the threshold to be used for considering two point to be equal.
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Can be used to merge small gaps */
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void set_epsilon(float _eps) { eps_=_eps; }
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/// Returns the threshold to be used for considering two point to be equal.
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float epsilon() const { return eps_; }
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private:
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enum STL_Type { STLA, STLB, NONE };
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STL_Type check_stl_type(const std::string& _filename) const;
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bool read_stla(const std::string& _filename, BaseImporter& _bi, Options& _opt) const;
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bool read_stla(std::istream& _in, BaseImporter& _bi, Options& _opt) const;
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bool read_stlb(const std::string& _filename, BaseImporter& _bi, Options& _opt) const;
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bool read_stlb(std::istream& _in, BaseImporter& _bi, Options& _opt) const;
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private:
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float eps_;
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};
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//== TYPE DEFINITION ==========================================================
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/// Declare the single entity of the STL reader
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extern _STLReader_ __STLReaderInstance;
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OPENMESHDLLEXPORT _STLReader_& STLReader();
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//=============================================================================
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} // namespace IO
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} // namespace OpenMesh
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//=============================================================================
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#endif
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//=============================================================================
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