mesh_viewer.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
 *                                                                           *
 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
 *                                                                           *
 * All rights reserved.                                                      *
 *                                                                           *
 * This program is free software; you can redistribute it and/or modify      *
 * it under the terms of the Mozilla Public License Version 2.0 as published *
 * by the Mozilla Foundation; either version 2 of the License, or            *
 * (at your option) any later version.                                       *
 *                                                                           *
 * This program is distributed in the hope that it will be useful,           *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the              *
 * Mozilla Public License Version 2.0                                        *
 * (https://www.mozilla.org/en-US/MPL/2.0/) for more details.                *
 ****************************************************************************/
 
#ifndef VCL_QT_MESH_VIEWER_H
#define VCL_QT_MESH_VIEWER_H
 
#include "gui/drawable_object_vector_tree.h"
 
#include <vclib/qt/gui/text_edit_logger.h>
#include <vclib/qt/mesh_viewer_render_app.h>
#include <vclib/render/drawable/drawable_object_vector.h>
 
#include <QWidget>
 
namespace vcl::qt {
 
namespace Ui {
class MeshViewer;
} // namespace Ui
 
class KeyFilter : public QObject
{
    using QObject::QObject;
 
protected:
    bool eventFilter(QObject* obj, QEvent* event) override;
};
 
class MeshViewer : public QWidget
{
    Q_OBJECT
 
    enum class RenderMode { CLASSIC = 0, PBR = 1 };
 
    Ui::MeshViewer* mUI;
 
    std::shared_ptr<vcl::DrawableObjectVector> mDrawableObjectVector;
 
    std::shared_ptr<vcl::DrawableObjectVector> mListedDrawableObjects;
    std::shared_ptr<vcl::DrawableObjectVector> mUnlistedDrawableObjects;
 
protected:
    MeshViewerRenderApp& viewer() const;
 
    DrawableObjectVectorTree& drawableObjectVectorTree() const;
 
    void keyPressEvent(QKeyEvent* event) override;
 
public:
    explicit MeshViewer(QWidget* parent = nullptr);
    ~MeshViewer();
 
    void setDrawableObjectVector(
        const std::shared_ptr<vcl::DrawableObjectVector>& v);
 
    void setUnlistedDrawableObjectVector(
        const std::shared_ptr<vcl::DrawableObjectVector>& v);
 
    uint selectedDrawableObject() const;
 
    TextEditLogger& logger();
 
    void setDrawVectorIconFunction(
        const DrawableObjectVectorTree::IconFunction& f);
 
    Camera<float> camera() const;
 
    void setCamera(const Camera<float>& c);
 
    void showRenderModeSelector(bool show);
 
    bool isPBREnabled() const;
 
    void setPBR(bool enable);
 
    void enablePBR();
 
    void disablePBR();
 
public slots:
    void visibilityDrawableObjectChanged();
 
    void selectedDrawableObjectChanged(uint i);
 
    void renderSettingsUpdated();
 
    void fitScene();
 
    void fitView();
 
    void updateGUI();
 
private slots:
    void renderModeComboBoxCurrentIndexChanged(int index);
};
 
} // namespace vcl::qt
 
#endif // VCL_QT_MESH_VIEWER_H