movie_grabber_widget.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <QtCore>
#include <QtGui>
#include <QtWidgets>
#include <unordered_map>
 
#include "base/reconstruction.h"
 
namespace colmap {
 
class ModelViewerWidget;
 
class MovieGrabberWidget : public QWidget {
public:
    MovieGrabberWidget(QWidget* parent, ModelViewerWidget* model_viewer_widget);
 
    // List of views, used to visualize the movie grabber camera path.
    std::vector<Image> views;
 
    struct ViewData {
        QMatrix4x4 model_view_matrix;
        float point_size = -1.0f;
        float image_size = -1.0f;
    };
 
private:
    // Add, delete, clear viewpoints.
    void Add();
    void Delete();
    void Clear();
 
    // Assemble movie from current viewpoints.
    void Assemble();
 
    // Event slot for time modification.
    void TimeChanged(QTableWidgetItem* item);
 
    // Event slot for changed selection.
    void SelectionChanged(const QItemSelection& selected,
                          const QItemSelection& deselected);
 
    // Update state when viewpoints reordered.
    void UpdateViews();
 
    ModelViewerWidget* model_viewer_widget_;
 
    QPushButton* assemble_button_;
    QPushButton* add_button_;
    QPushButton* delete_button_;
    QPushButton* clear_button_;
    QTableWidget* table_;
 
    QSpinBox* frame_rate_sb_;
    QCheckBox* smooth_cb_;
    QDoubleSpinBox* smoothness_sb_;
 
    std::unordered_map<const QTableWidgetItem*, ViewData> view_data_;
};
 
}  // namespace colmap
 
// EIGEN_DEFINE_STL_VECTOR_SPECIALIZATION_CUSTOM(
//         colmap::MovieGrabberWidget::ViewData)