/*========================================================================= Program: Visualization Toolkit Module: $RCSfile: vtkOpenGLFreeTypeTextMapper.h,v $ 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 "vtkTextMapper.h" //BTX class FTFont; //ETX class VTK_RENDERING_EXPORT vtkOpenGLFreeTypeTextMapper : public vtkTextMapper { public: vtkTypeRevisionMacro(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: // What is 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