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/*=========================================================================
Program: Visualization Toolkit
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef vtkAbstractRenderDevice_h
#define vtkAbstractRenderDevice_h
#include "vtkObject.h"
#include "vtkRenderingCoreModule.h" // For export macro
#include <string> // For std::string
VTK_ABI_NAMESPACE_BEGIN
class vtkRecti;
class VTKRENDERINGCORE_EXPORT vtkAbstractRenderDevice : public vtkObject
{
public:
vtkTypeMacro(vtkAbstractRenderDevice, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* @brief Make a new device, this class is abstract and one of its derived
* forms will be returned, or NULL if no override has been provided.
* @return A derived render device, or NULL if no suitable override is set.
*/
static vtkAbstractRenderDevice* New();
/**
* @brief Set the context that should be requested (must be set before the
* widget is rendered for the first time.
* @param major Major GL version, default is 2.
* @param minor Minor GL version, default is 1.
*/
void SetRequestedGLVersion(int major, int minor);
/**
* @brief Create a window with the desired geometry.
* @param geometry The geometry in screen coordinates for the window.
* @param name The name of the window.
* @return True on success, false on failure.
*/
virtual bool CreateNewWindow(const vtkRecti& geometry, const std::string& name) = 0;
/**
* @brief Make the context current so that it can be used by OpenGL. This is
* an expensive call, and so its use should be minimized to once per render
* ideally.
*/
virtual void MakeCurrent() = 0;
protected:
vtkAbstractRenderDevice();
~vtkAbstractRenderDevice() override;
int GLMajor;
int GLMinor;
private:
vtkAbstractRenderDevice(const vtkAbstractRenderDevice&) = delete;
void operator=(const vtkAbstractRenderDevice&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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