load_mesh.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
 *                                                                           *
 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
 *                                                                           *
 * All rights reserved.                                                      *
 *                                                                           *
 * This program is free software; you can redistribute it and/or modify      *
 * it under the terms of the Mozilla Public License Version 2.0 as published *
 * by the Mozilla Foundation; either version 2 of the License, or            *
 * (at your option) any later version.                                       *
 *                                                                           *
 * This program is distributed in the hope that it will be useful,           *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the              *
 * Mozilla Public License Version 2.0                                        *
 * (https://www.mozilla.org/en-US/MPL/2.0/) for more details.                *
 ****************************************************************************/
 
#ifndef VCL_IO_MESH_LOAD_MESH_H
#define VCL_IO_MESH_LOAD_MESH_H
 
#include "obj/load.h"
#include "off/load.h"
#include "ply/load.h"
#include "stl/load.h"
 
#ifdef VCLIB_WITH_TINYGLTF
#include "gltf/load.h"
#endif
 
#include "capability.h"
 
namespace vcl {
 
inline std::set<FileFormat> loadMeshFormats()
{
    std::set<FileFormat> ff;
 
    ff.insert(objFileFormat());
    ff.insert(offFileFormat());
    ff.insert(plyFileFormat());
    ff.insert(stlFileFormat());
 
#ifdef VCLIB_WITH_TINYGLTF
    ff.insert(gltfFileFormat());
#endif
 
    return ff;
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMesh(
    MeshType&           m,
    const std::string&  filename,
    MeshInfo&           loadedInfo,
    const LoadSettings& settings,
    LogType&            log = nullLogger)
{
    FileFormat ff = FileInfo::fileFormat(filename);
 
    loadedInfo.clear();
 
    if (ff == objFileFormat()) {
        loadObj(m, filename, loadedInfo, settings, log);
    }
    else if (ff == offFileFormat()) {
        loadOff(m, filename, loadedInfo, settings, log);
    }
    else if (ff == plyFileFormat()) {
        loadPly(m, filename, loadedInfo, settings, log);
    }
    else if (ff == stlFileFormat()) {
        loadStl(m, filename, loadedInfo, settings, log);
    }
#ifdef VCLIB_WITH_TINYGLTF
    else if (ff == gltfFileFormat()) {
        loadGltf(m, filename, loadedInfo, settings, log);
    }
#endif
    else {
        throw UnknownFileFormatException(ff.extensions().front());
    }
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMesh(
    MeshType&           m,
    const std::string&  filename,
    MeshInfo&           loadedInfo,
    LogType&            log      = nullLogger,
    const LoadSettings& settings = LoadSettings())
{
    loadMesh(m, filename, loadedInfo, settings, log);
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMesh(
    MeshType&           m,
    const std::string&  filename,
    const LoadSettings& settings,
    LogType&            log = nullLogger)
{
    MeshInfo loadedInfo;
    loadMesh(m, filename, loadedInfo, settings, log);
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
void loadMesh(
    MeshType&           m,
    const std::string&  filename,
    LogType&            log      = nullLogger,
    const LoadSettings& settings = LoadSettings())
{
    MeshInfo loadedInfo;
    loadMesh(m, filename, loadedInfo, settings, log);
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
MeshType loadMesh(
    const std::string&  filename,
    MeshInfo&           loadedInfo,
    const LoadSettings& settings,
    LogType&            log = nullLogger)
{
    MeshType m;
    loadMesh(m, filename, loadedInfo, settings, log);
    return m;
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
MeshType loadMesh(
    const std::string&  filename,
    MeshInfo&           loadedInfo,
    LogType&            log      = nullLogger,
    const LoadSettings& settings = LoadSettings())
{
    MeshType m;
    loadMesh(m, filename, loadedInfo, settings, log);
    return m;
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
MeshType loadMesh(
    const std::string&  filename,
    const LoadSettings& settings,
    LogType&            log = nullLogger)
{
    MeshInfo loadedInfo;
    return loadMesh<MeshType>(filename, loadedInfo, settings, log);
}
 
template<MeshConcept MeshType, LoggerConcept LogType = NullLogger>
MeshType loadMesh(
    const std::string&  filename,
    LogType&            log      = nullLogger,
    const LoadSettings& settings = LoadSettings())
{
    MeshInfo loadedInfo;
    return loadMesh<MeshType>(filename, loadedInfo, settings, log);
}
 
} // namespace vcl
 
#endif // VCL_IO_MESH_LOAD_MESH_H