87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
#ifndef PROGRAM_H
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#define PROGRAM_H
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#include <QVTKOpenGLNativeWidget.h>
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#include <vtkRenderWindow.h>
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#include <vtkRenderWindowInteractor.h>
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#include <vtkRenderer.h>
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#include "layers/Layer.h"
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#include "layers/Technique.h"
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/** This class manages the upper levels of the vtk pipeline; it has attributes for the vtkrenderWindow and a vector of Layers to represent a variable number of vtkRenderers.
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* It can also set up a vtkTimer by connecting an instance of TimerCallbackCommand with its contained vtkRenderWindowInteractor.
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*/
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class Program : public QVTKOpenGLNativeWidget {
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Q_OBJECT
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private:
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/** This attribute models a variable number of vtkRenderers, managed through the abstract Technique class.
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*/
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std::vector<Technique *> techniques;
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ActiveTechnique activeTech;
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/** The window this program's layers render to.
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*/
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vtkSmartPointer<vtkGenericOpenGLRenderWindow> win;
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/** The interactor through which the layers can interact with the window.
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*/
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vtkSmartPointer<vtkRenderWindowInteractor> interact;
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/** The camera used by all layers for this program.
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*/
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vtkSmartPointer<vtkCamera> cam;
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/** This function sets some default properties on the vtkRenderWindow. Extracted to its' own function to keep the constructor from becoming cluttered.
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*/
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void setWinProperties();
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/** This function sets up and connects a TimerCallbackCommand with the program.
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*/
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void setupTimer(int dt);
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/** This function sets up the camera's associated movement callbacks..
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*/
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void setupCameraCallback();
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public:
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/** Constructor.
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*/
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Program(QWidget *parent = nullptr);
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~Program() override;
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/** This function adds a new technique to the program.
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* The technique is expected to manage the layers itself in the vtkRenderWindow layer system.
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* @param technique : pointer to the technique to add.
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*/
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void addTechnique(Technique *technique);
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/** This function removes a given layer from the vtkRenderWindow and layers vector.
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* If the given layer is not actually in the program, nothing happens.
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* @param layer : the layer to removeTechnique
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*/
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void removeTechnique(Technique *layer);
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/** This function updates the data for the associated techniques to the given timestamp.
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* Also updates the renderWindow.
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* @param t : the timestamp to update the data to.
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*/
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void updateData(int t);
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// TODO: commenting
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void requestRender();
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void setActiveTechnique(ActiveTechnique tech);
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vtkSmartPointer<vtkCamera> getCamera();
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std::vector<Technique *> getTechniques();
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};
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#endif
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