ImageViewerWidget.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 <QtWidgets>
 
#include "feature/types.h"
 
namespace colmap {
class Bitmap;
}
 
#include "util/option_manager.h"
 
namespace cloudViewer {
 
using OptionManager = colmap::OptionManager;
class ModelViewerWidget;
 
class ImageViewerGraphicsScene : public QGraphicsScene {
public:
    ImageViewerGraphicsScene();
 
    QGraphicsPixmapItem* ImagePixmapItem() const;
 
private:
    QGraphicsPixmapItem* image_pixmap_item_ = nullptr;
};
 
class ImageViewerWidget : public QWidget {
public:
    explicit ImageViewerWidget(QWidget* parent);
 
    void ShowBitmap(const colmap::Bitmap& bitmap);
    void ShowPixmap(const QPixmap& pixmap);
    void ReadAndShow(const std::string& path);
 
private:
    static const double kZoomFactor;
 
    ImageViewerGraphicsScene graphics_scene_;
    QGraphicsView* graphics_view_;
 
protected:
    void resizeEvent(QResizeEvent* event);
    void closeEvent(QCloseEvent* event);
    void ZoomIn();
    void ZoomOut();
    void Save();
 
    QGridLayout* grid_layout_;
    QHBoxLayout* button_layout_;
};
 
class FeatureImageViewerWidget : public ImageViewerWidget {
public:
    FeatureImageViewerWidget(QWidget* parent, const std::string& switch_text);
 
    void ReadAndShowWithKeypoints(const std::string& path,
                                  const colmap::FeatureKeypoints& keypoints,
                                  const std::vector<char>& tri_mask);
 
    void ReadAndShowWithMatches(const std::string& path1,
                                const std::string& path2,
                                const colmap::FeatureKeypoints& keypoints1,
                                const colmap::FeatureKeypoints& keypoints2,
                                const colmap::FeatureMatches& matches);
 
protected:
    void ShowOrHide();
 
    QPixmap image1_;
    QPixmap image2_;
    bool switch_state_;
    QPushButton* switch_button_;
    const std::string switch_text_;
};
 
class DatabaseImageViewerWidget : public FeatureImageViewerWidget {
public:
    DatabaseImageViewerWidget(QWidget* parent,
                              ModelViewerWidget* ModelViewerWidget,
                              OptionManager* options);
 
    void ShowImageWithId(const colmap::image_t image_id);
 
private:
    void ResizeTable();
    void DeleteImage();
 
    ModelViewerWidget* model_viewer_widget_;
 
    OptionManager* options_;
 
    QPushButton* delete_button_;
 
    colmap::image_t image_id_;
 
    QTableWidget* table_widget_;
    QTableWidgetItem* image_id_item_;
    QTableWidgetItem* camera_id_item_;
    QTableWidgetItem* camera_model_item_;
    QTableWidgetItem* camera_params_item_;
    QTableWidgetItem* qvec_item_;
    QTableWidgetItem* tvec_item_;
    QTableWidgetItem* dimensions_item_;
    QTableWidgetItem* num_points2D_item_;
    QTableWidgetItem* num_points3D_item_;
    QTableWidgetItem* num_obs_item_;
    QTableWidgetItem* name_item_;
};
 
}  // namespace cloudViewer