dox/Charts/vtkOpenGLContextDevice2D.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkOpenGLContextDevice2D.h

  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 __vtkOpenGLContextDevice2D_h
#define __vtkOpenGLContextDevice2D_h

#include "vtkContextDevice2D.h"

class vtkWindow;
class vtkViewport;
class vtkRenderer;
class vtkLabelRenderStrategy;
class vtkOpenGLRenderWindow;
class vtkOpenGLExtensionManager;

class VTK_CHARTS_EXPORT vtkOpenGLContextDevice2D : public vtkContextDevice2D
{
public:
  vtkTypeMacro(vtkOpenGLContextDevice2D, vtkContextDevice2D);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  static vtkOpenGLContextDevice2D *New();

  virtual void DrawPoly(float *points, int n);

  virtual void DrawPoints(float *points, int n);

  virtual void DrawPointSprites(vtkImageData *sprite, float *points, int n);

  virtual void DrawQuad(float *points, int n);


  virtual void DrawEllipseWedge(float x, float y, float outRx, float outRy,
                                float inRx, float inRy, float startAngle,
                                float stopAngle);


  virtual void DrawEllipticArc(float x, float y, float rX, float rY,
                               float startAngle, float stopAngle);


//BTX

  virtual void DrawString(float *point, vtkTextProperty *tprop,
                          const vtkStdString &string);


  virtual void ComputeStringBounds(const vtkStdString &string,
                                   vtkTextProperty *tprop,
                                   float bounds[4]);
//ETX

  virtual void DrawImage(float *p, int n, vtkImageData *image);

  virtual void SetColor4(unsigned char *color);

  virtual void SetColor(unsigned char *color);

  virtual void SetPointSize(float size);

  virtual void SetLineWidth(float width);

  virtual void SetLineType(int type);

  virtual void MultiplyMatrix(vtkMatrix3x3 *m);

  virtual void SetMatrix(vtkMatrix3x3 *m);

  virtual void PushMatrix();

  virtual void PopMatrix();

  virtual void SetClipping(int *x);

  virtual void DisableClipping();

  virtual void Begin(vtkViewport* viewport);

  virtual void End();

  virtual void BufferIdModeBegin(vtkAbstractContextBufferId *bufferId);

  virtual void BufferIdModeEnd();

  bool SetStringRendererToFreeType();

  bool SetStringRendererToQt();

  bool HasGLSL();


  vtkGetObjectMacro(RenderWindow, vtkOpenGLRenderWindow);

  virtual void ReleaseGraphicsResources(vtkWindow *window);

//BTX
protected:
  vtkOpenGLContextDevice2D();
  virtual ~vtkOpenGLContextDevice2D();


  int GetNumberOfArcIterations(float rX,
                               float rY,
                               float startAngle,
                               float stopAngle);

  int Geometry[2];

  vtkRenderer *Renderer;

  vtkLabelRenderStrategy *TextRenderer;

  bool IsTextDrawn;

  bool InRender;


  class Private;
  Private *Storage;

  bool LoadExtensions(vtkOpenGLExtensionManager *m);

  vtkOpenGLRenderWindow* RenderWindow;

private:
  vtkOpenGLContextDevice2D(const vtkOpenGLContextDevice2D &); // Not implemented.
  void operator=(const vtkOpenGLContextDevice2D &);   // Not implemented.

//ETX
};

#endif //__vtkOpenGLContextDevice2D_h

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