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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOpenGLFreeTypeTextMapper.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.
=========================================================================*/
// .NAME vtkOpenGLFreeTypeTextMapper - 2D Text annotation support
// .SECTION Description
// vtkOpenGLFreeTypeTextMapper provides 2D text annotation support for VTK
// using the FreeType and FTGL libraries. Normally the user should use
// vtktextMapper which in turn will use this class.
// .SECTION See Also
// vtkTextMapper
#ifndef __vtkOpenGLFreeTypeTextMapper_h
#define __vtkOpenGLFreeTypeTextMapper_h
#include "vtkRenderingFreeTypeOpenGLModule.h" // For export macro
#include "vtkTextMapper.h"
class VTKRENDERINGFREETYPEOPENGL_EXPORT vtkOpenGLFreeTypeTextMapper
: public vtkTextMapper
{
public:
vtkTypeMacro(vtkOpenGLFreeTypeTextMapper, vtkTextMapper);
static vtkOpenGLFreeTypeTextMapper *New();
virtual void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Actally draw the text.
void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor);
// Description:
// Release any graphics resources that are being consumed by this actor.
// The parameter window could be used to determine which graphic
// resources to release.
virtual void ReleaseGraphicsResources(vtkWindow *);
// Description:
// Return the the size of the rectangle required to draw this
// mapper.
virtual void GetSize(vtkViewport* viewport, int size[2]);
protected:
vtkOpenGLFreeTypeTextMapper();
~vtkOpenGLFreeTypeTextMapper();
vtkTimeStamp SizeBuildTime;
int LastSize[2];
int LastLargestDescender;
private:
vtkOpenGLFreeTypeTextMapper(const vtkOpenGLFreeTypeTextMapper&); // Not implemented.
void operator=(const vtkOpenGLFreeTypeTextMapper&); // Not implemented.
};
#endif
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