virtual vtkIdType GetPickedItem(int x, int y)=0
2D array of ids stored in VRAM.
virtual void Allocate()=0
vtkOpenGLRenderWindow * Context
virtual void ReleaseGraphicsResources()
virtual void SetValues(int srcXmin, int srcYmin)=0
2D array of ids, used for picking.
virtual void PrintSelf(ostream &os, vtkIndent indent)
virtual bool IsAllocated() const =0
vtkTextureObject * Texture