ecvGlobalShiftManager.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// CV_CORE_LIB
#include <CVGeom.h>
 
// LOCAL
#include "CV_io.h"
 
// Qt
#include <QString>
 
// STL
#include <vector>
 
class ccHObject;
 
class CV_IO_LIB_API ecvGlobalShiftManager {
public:
    enum Mode {
        NO_DIALOG,
        NO_DIALOG_AUTO_SHIFT,
        DIALOG_IF_NECESSARY,
        ALWAYS_DISPLAY_DIALOG
    };
 
    static bool Handle(const CCVector3d& P,
                       double diagonal,
                       Mode mode,
                       bool useInputCoordinatesShiftIfPossible,
                       CCVector3d& coordinatesShift,
                       bool* preserveCoordinateShift,
                       double* coordinatesScale,
                       bool* applyAll = 0);
 
    static bool NeedShift(const CCVector3d& P);
    static bool NeedShift(double d);
    static bool NeedRescale(double d);
 
    static CCVector3d BestShift(const CCVector3d& P);
    static double BestScale(double d);
 
    static double MaxCoordinateAbsValue() { return MAX_COORDINATE_ABS_VALUE; }
    static void SetMaxCoordinateAbsValue(double value) {
        MAX_COORDINATE_ABS_VALUE = value;
    }
 
    static double MaxBoundgBoxDiagonal() { return MAX_DIAGONAL_LENGTH; }
    static void SetMaxBoundgBoxDiagonal(double value) {
        MAX_DIAGONAL_LENGTH = value;
    }
 
    static void StoreShift(const CCVector3d& shift,
                           double scale,
                           bool preserve = true);
 
public:  // Shift and scale info
    struct ShiftInfo {
        CCVector3d shift;
        double scale;
        QString name;
        bool preserve;
 
        ShiftInfo(QString str = QString("unnamed"))
            : shift(0, 0, 0), scale(1.0), name(str), preserve(true) {}
        ShiftInfo(QString str, const CCVector3d& T, double s = 1.0)
            : shift(T), scale(s), name(str), preserve(true) {}
    };
 
    static bool GetLast(ShiftInfo& info);
    static bool GetLast(std::vector<ShiftInfo>& infos);
 
protected:
    // Max acceptable coordinate value
    static double MAX_COORDINATE_ABS_VALUE;
 
    // Max acceptable diagonal length
    static double MAX_DIAGONAL_LENGTH;
};