Visualization3DView.h

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/*
 * Copyright (C) 2012 by
 *   MetraLabs GmbH (MLAB), GERMANY
 * and
 *   Neuroinformatics and Cognitive Robotics Labs (NICR) at TU Ilmenau, GERMANY
 * All rights reserved.
 *
 * Contact: info@mira-project.org
 *
 * Commercial Usage:
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 *   accordance with the commercial license agreement provided with the
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#ifndef _MIRA_VISUALIZATION3DVIEW_H_
#define _MIRA_VISUALIZATION3DVIEW_H_

#include <geometry/Point.h>

#include <views/VisualizationView.h>
#include <visualization/Visualization3D.h>
#include <visualization/InteractionListener3D.h>

#include <serialization/adapters/OGRE/OgreColourValue.h>

#include <serialization/SetterNotify.h>

class QGLWidget;

namespace mira {


class Visualization3DView : public VisualizationViewTransformable, public IVisualization3DSite
{
MIRA_META_OBJECT(Visualization3DView,
                ("Name", "3D")
                ("Description", "3D view for channel data")
                ("Category"   , "Visualization")
                ("Visualization", "mira::Visualization3D"))
Q_OBJECT

public:
    Visualization3DView();

    virtual ~Visualization3DView()
    {
        // we must make sure that we destroy our tools and visualizations
        // before we destroy ourself to give them the chance to cleanup
        // (during cleanup they may need a fully operational Visualization3DView)
        destroyVisualizations();
        destroyTools();
    }

public:

    template <typename Reflector>
    void reflect(Reflector& r)
    {
        MIRA_REFLECT_BASE(r, VisualizationViewTransformable);
        r.property("Camera Mode", mCameraMode,
                   setter(&Visualization3DView::setCameraMode, this),
                   "The view mode of the camera", PERSPECTIVE,
                   PropertyHints::enumeration("Perspective Orbit;Orthographic Orbit;Bird's-Eye"));

        r.property("Camera", mCameraSettings, "Camera view", Camera());

        r.property("Background", mBackgroundMode, setter(&Visualization3DView::setBackgroundMode, this), "Background mode", BACKGROUND_GRADIENT,
                   PropertyHints::enumeration("Solid;Gradient;White;Black"));
        r.property("Background Color", mBackgroundColor1, setter(&Visualization3DView::setBackgroundColor1, this), "Solid background color / Top gradient color", Ogre::ColourValue(0.78f,0.86f,1.0f) );
        r.property("Background Gradient Color", mBackgroundColor2, setter(&Visualization3DView::setBackgroundColor2, this), "Bottom gradient color", Ogre::ColourValue(0.90f,0.94f,1.0f) );

        r.property("Render Mode", mRenderMode,
                   setter(&Visualization3DView::setRenderMode, this),
                   "The view mode of the camera", NORMAL,
                   PropertyHints::enumeration("Normal;Wireframe;Wireframe (hidden line)"));

        r.property("Stereo Mode", mStereoMode,
                   setter(&Visualization3DView::setStereoMode, this),
                   "The view mode of the camera", NONE,
                   PropertyHints::enumeration("None;Cross-eyed / parallel"));
        r.property("Stereo Eye Distance", mStereoEyeDistance, "in meter, >0 for cross view, <0 for parallel view", 0.2f);

        r.property("Show Bounding Boxes", mShowBoundingBoxes, setter(&Visualization3DView::showBoundingBoxes, this), "Show bounding boxes of all objects (for debugging)", false);

        r.property("Light Color", mLightColor, setterNotify(mLightColor, &Visualization3DView::changeLightColor, this), "The color of the default light", Ogre::ColourValue::White);
        r.property("Light Azimuth", mLightAzimuth, setterNotify(mLightAzimuth, &Visualization3DView::changeLightDirection, this), "The azimuth of the light source [deg]", -135.0f, PropertyHints::limits(-180.0f,180.0f) | PropertyHints::step(5.0f));
        r.property("Light Height", mLightHeight, setterNotify(mLightHeight, &Visualization3DView::changeLightDirection, this), "The height of the light source [deg]", 45.0f, PropertyHints::limits(-90.0f,90.0f) | PropertyHints::step(5.0f));
        r.property("Ambient Light", mLightAmbient, setterNotify(mLightAmbient, &Visualization3DView::changeAmbientLight, this), "The strength of the ambient light", 0.3f, PropertyHints::minimum(0.0f));

        r.property("SaveContentMinPictureSize", mSaveContentMinPictureSize,
                   "Minimum width or height of the image saved by rendering the viewport at an appropriate resolution.", 2048);
    }

public:

    QGLWidget* getGLRenderWidget();

    virtual QImage captureContent();

public: // implementation of VisualizationView

    virtual void addVisualization(Visualization* vis);
    virtual void moveUpVisualization(Visualization* vis);
    virtual void moveDownVisualization(Visualization* vis);

    virtual void addTool(VisualizationTool* tool);

    virtual const Class& supportedVisualizationClass() const;
    virtual const Class& supportedVisualizationToolClass() const;

protected:

    virtual void update(Duration dt);

    void changeLightColor();
    virtual void changeLightDirection();
    void changeAmbientLight();

protected:

    virtual QWidget* createVisualizationPart();

    virtual void resetView();
    virtual void saveContentToFile();

protected: // implementation of VisualizationViewTransformable

    virtual void setCameraFrame(const TransformProperty& frame);

public: // implementation of IVisualization3DSite

    virtual Ogre::SceneManager* getSceneManager();

    virtual void registerInteractionListener(InteractionListener3D* listener);
    virtual void removeInteractionListener(InteractionListener3D* listener);
    virtual std::set<InteractionListener3D*> getInteractionListeners();

    virtual const std::string& getFixedFrame() const {
        return mFixedFrame.getID();
    }

    virtual const std::string& getCameraFrame() const {
        return mCameraFrame.getID();
    }

public:

    virtual const Camera& getCamera() const;
    virtual void setCamera(const Camera& camera);

    virtual Ogre::Camera* acquireCamera(boost::function<void()> lostCameraCallback = boost::function<void()>());
    virtual void releaseCamera();

private:

    class RenderModeTechniqueMod;
    class UI;
    UI* ui;

    class RenderQueueSorter;

private:
    friend class UI;
    friend class RenderModeTechniqueMod;
    friend class RenderQueueSorter;

    void setupVisualizations();
    void setupTools();

    void updateCamera();

private:
    void populateDefaultVisualizations();
    void createDefaultVisualization(const std::string& className, const std::string& displayName);

private:
    enum CameraMode
    {
        PERSPECTIVE=0,
        ORTHOGRAPHIC,
        BIRDS_EYE
    };

    enum StereoMode
    {
        NONE,
        CROSSED_EYE
    };

    enum BackgroundMode
    {
        BACKGROUND_SOLID=0,
        BACKGROUND_GRADIENT,
        BACKGROUND_WHITE,
        BACKGROUND_BLACK
    };

    enum RenderMode
    {
        NORMAL = 0,
        WIREFRAME,
        HIDDEN_LINE
    };

    void setCameraMode(CameraMode mode);

    void setBackgroundMode(BackgroundMode mode);
    void setBackgroundColor1(Ogre::ColourValue color);
    void setBackgroundColor2(Ogre::ColourValue color);
    void showBoundingBoxes(bool show=true);

    void setRenderMode(RenderMode mode);
    void setStereoMode(StereoMode mode);

private:

    ChannelProperty<float> mIntrinsicParamsChannel;

    CameraMode mCameraMode;
    Camera mCameraSettings;

    bool mCameraAcquired;
    boost::function<void()> mLostCameraCallback;

    BackgroundMode mBackgroundMode;
    Ogre::ColourValue mBackgroundColor1;
    Ogre::ColourValue mBackgroundColor2;

    RenderMode mRenderMode;
    StereoMode mStereoMode;
    float mStereoEyeDistance;

    bool mShowBoundingBoxes;

    Ogre::ColourValue mLightColor;
    float mLightAzimuth;
    float mLightHeight;
    float mLightAmbient;
    boost::mutex mListenerMutex;
    std::set<InteractionListener3D*> mListeners;

    uint mSaveContentMinPictureSize;
};


}

#endif