PlyFilter.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#ifndef CC_PLY_FILTER_HEADER
#define CC_PLY_FILTER_HEADER
 
#include "FileIOFilter.h"
#include "rply.h"
 
static const char e_ply_type_names[][12] = {
        "PLY_INT8",   "PLY_UINT8",   "PLY_INT16",   "PLY_UINT16", "PLY_INT32",
        "PLY_UIN32",  "PLY_FLOAT32", "PLY_FLOAT64", "PLY_CHAR",   "PLY_UCHAR",
        "PLY_SHORT",  "PLY_USHORT",  "PLY_INT",     "PLY_UINT",   "PLY_FLOAT",
        "PLY_DOUBLE", "PLY_LIST"};
 
static const char e_ply_storage_mode_names[][24] = {
        "PLY_BIG_ENDIAN", "PLY_LITTLE_ENDIAN", "PLY_ASCII", "PLY_DEFAULT"};
 
struct plyProperty {
    p_ply_property prop;
    const char* propName;
    e_ply_type type;
    e_ply_type length_type;
    e_ply_type value_type;
    int elemIndex;
};
 
struct plyElement {
    p_ply_element elem;
    const char* elementName;
    long elementInstances;
    std::vector<plyProperty> properties;
    int propertiesCount;
    bool isFace;
};
 
class CV_IO_LIB_API PlyFilter : public FileIOFilter {
public:
    PlyFilter();
 
    // static accessors
    static void SetDefaultOutputFormat(e_ply_storage_mode format);
 
    // inherited from FileIOFilter
    CC_FILE_ERROR loadFile(const QString& filename,
                           ccHObject& container,
                           LoadParameters& parameters) override;
 
    bool canSave(CV_CLASS_ENUM type,
                 bool& multiple,
                 bool& exclusive) const override;
    CC_FILE_ERROR saveToFile(ccHObject* entity,
                             const QString& filename,
                             const SaveParameters& parameters) override;
 
    CC_FILE_ERROR loadFile(const QString& filename,
                           const QString& textureFilename,
                           ccHObject& container,
                           LoadParameters& parameters);
 
private:
    CC_FILE_ERROR saveToFile(ccHObject* entity,
                             QString filename,
                             e_ply_storage_mode storageType);
};
 
#endif  // CC_PLY_FILTER_HEADER