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imaging/vtkMesaImageWindow.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkMesaImageWindow.h,v $
00005   Language:  C++
00006 
00007 
00008 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00009 All rights reserved.
00010 
00011 Redistribution and use in source and binary forms, with or without
00012 modification, are permitted provided that the following conditions are met:
00013 
00014  * Redistributions of source code must retain the above copyright notice,
00015    this list of conditions and the following disclaimer.
00016 
00017  * Redistributions in binary form must reproduce the above copyright notice,
00018    this list of conditions and the following disclaimer in the documentation
00019    and/or other materials provided with the distribution.
00020 
00021  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00022    of any contributors may be used to endorse or promote products derived
00023    from this software without specific prior written permission.
00024 
00025  * Modified source versions must be plainly marked as such, and must not be
00026    misrepresented as being the original software.
00027 
00028 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00029 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00030 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00031 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00032 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00033 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038 
00039 =========================================================================*/
00051 #ifndef __vtkMesaImageWindow_h
00052 #define __vtkMesaImageWindow_h
00053 
00054 #include <stdlib.h>
00055 #include <X11/X.h>
00056 #include <X11/Xlib.h>
00057 #include <X11/Xutil.h>
00058 #include "vtkXImageWindow.h"
00059 
00060 #ifdef VTK_MANGLE_MESA
00061 #define USE_MGL_NAMESPACE
00062 #include "mesaglx.h"
00063 #else
00064 #include "GL/glx.h"
00065 #endif
00066 #include "GL/osmesa.h"
00067 
00068 
00069 class VTK_EXPORT vtkMesaImageWindow : public vtkXImageWindow
00070 {
00071 public:
00072   static vtkMesaImageWindow *New();
00073   vtkTypeMacro(vtkMesaImageWindow,vtkXImageWindow);
00074   void PrintSelf(ostream& os, vtkIndent indent);
00075 
00077   virtual void MakeDefaultWindow();
00078 
00080   void SwapBuffers();
00081 
00083   void Frame();
00084 
00086   void Render();
00087 
00089   virtual void *GetGenericDisplayId() {return (void *)this->DisplayId;};
00090   virtual void *GetGenericWindowId();
00091   virtual void *GetGenericParentId()  {return (void *)this->ParentId;};
00092   virtual void *GetGenericContext();
00093   virtual void *GetGenericDrawable()  {return (void *)this->WindowId;};
00094   
00096   virtual Colormap GetDesiredColormap();
00097   virtual Visual  *GetDesiredVisual();
00098   XVisualInfo     *GetDesiredVisualInfo();
00099   virtual int      GetDesiredDepth();
00100 
00102   virtual unsigned char *GetPixelData(int x,int y,int x2,int y2,int front);
00103   virtual void SetPixelData(int x,int y,int x2,int y2,unsigned char *,
00104              int front);
00105 
00107   virtual float *GetRGBAPixelData(int x,int y,int x2,int y2,int front);
00108   virtual void SetRGBAPixelData(int x,int y,int x2,int y2,float *,int front,
00109                                 int blend=0);
00110 
00112   void MakeCurrent();
00113 
00115   virtual void EraseWindow() {this->vtkImageWindow::EraseWindow();};
00116 
00119   virtual void SetOffScreenRendering(int i);
00120 
00121 protected:
00122   vtkMesaImageWindow();
00123   ~vtkMesaImageWindow();
00124   vtkMesaImageWindow(const vtkMesaImageWindow&) {};
00125   void operator=(const vtkMesaImageWindow&) {};
00126 
00127   GLXContext ContextId;
00128   OSMesaContext OffScreenContextId;
00129   void *OffScreenWindow;
00130   int ScreenDoubleBuffer;
00131   int ScreenMapped;
00132 };
00133 
00134 
00135 #endif
00136 

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