AsciiFilter.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "FileIOFilter.h"
 
// dialogs
#include "AsciiOpenDlg.h"
#include "AsciiSaveDlg.h"
 
// Qt
#include <QByteArray>
#include <QTextStream>
 
class CV_IO_LIB_API AsciiFilter : public FileIOFilter {
public:
    AsciiFilter();
 
    // static accessors
    static inline QString GetFileFilter() {
        return "ASCII cloud (*.txt *.asc *.neu *.xyz *.xyzrgb *.xyzn *.pts "
               "*.csv)";
    }
 
    // 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 loadAsciiData(const QByteArray& data,
                                QString sourceName,
                                ccHObject& container,
                                LoadParameters& parameters);
 
public:  // Default / persistent settings
    static void SetDefaultSkippedLineCount(int count);
 
    static void SetOutputCoordsPrecision(int prec);
    static void SetOutputSFPrecision(int prec);
 
    static void SetOutputSeparatorIndex(int separatorIndex);
    static void SaveSFBeforeColor(bool state);
    static void SaveColumnsNamesHeader(bool state);
    static void SavePointCountHeader(bool state);
 
protected:
    CC_FILE_ERROR loadStream(QTextStream& stream,
                             QString filenameOrTitle,
                             qint64 dataSize,
                             ccHObject& container,
                             LoadParameters& parameters);
 
    CC_FILE_ERROR loadCloudFromFormatedAsciiStream(
            QTextStream& stream,
            QString filenameOrTitle,
            ccHObject& container,
            const AsciiOpenDlg::Sequence& openSequence,
            char separator,
            bool commaAsDecimal,
            unsigned approximateNumberOfLines,
            qint64 fileSize,
            unsigned maxCloudSize,
            unsigned skipLines,
            LoadParameters& parameters,
            bool showLabelsIn2D = false);
};