qt-everywhere-src-5.15.1/qt3d/src/3rdparty/assimp/code/STLLoader.h

/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

Copyright (c) 2006-2017, assimp team

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  following disclaimer.

* Redistributions in binary form must reproduce the above
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*/

/** @file STLLoader.h
 *  Declaration of the STL importer class.
 */
#ifndef AI_STLLOADER_H_INCLUDED
#define AI_STLLOADER_H_INCLUDED

#include "BaseImporter.h"
#include <assimp/types.h>

// Forward declarations
struct aiNode;

namespace Assimp {


// ---------------------------------------------------------------------------
/**
 * @brief   Importer class for the sterolithography STL file format.
 */
class STLImporter : public BaseImporter {
public:
    /**
     * @brief STLImporter, the class default constructor.
     */
    STLImporter();

    /**
     * @brief   The class destructor.
     */
    ~STLImporter();

    /**
     * @brief   Returns whether the class can handle the format of the given file.
     *  See BaseImporter::CanRead() for details.
     */
    bool CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const;

protected:

    /**
     * @brief   Return importer meta information.
     *  See #BaseImporter::GetInfo for the details
     */
    const aiImporterDesc* GetInfo () const;

    /**
     * @brief   Imports the given file into the given scene structure.
    * See BaseImporter::InternReadFile() for details
    */
    void InternReadFile( const std::string& pFile, aiScene* pScene,
        IOSystem* pIOHandler);

    /**
     * @brief   Loads a binary .stl file
     * @return true if the default vertex color must be used as material color
     */
    bool LoadBinaryFile();

    /**
     * @brief   Loads a ASCII text .stl file
     */
    void LoadASCIIFile( aiNode *root );

    void pushMeshesToNode( std::vector<unsigned int> &meshIndices, aiNode *node );

protected:

    /** Buffer to hold the loaded file */
    const char* mBuffer;

    /** Size of the file, in bytes */
    unsigned int fileSize;

    /** Output scene */
    aiScene* pScene;

    /** Default vertex color */
    aiColor4D clrColorDefault;
};

} // end of namespace Assimp

#endif // AI_3DSIMPORTER_H_IN