1  #import <Foundation/NSObject.h>
 2  #import <Onyx2D/O2Geometry.h>
 3  #import <OpenGL/OpenGL.h>
 4  
 5  @class O2Surface, CGWindow;
 6  
 7  @interface CGLPixelSurface : NSObject {
 8      int _width, _height;
 9      BOOL _isOpaque, _validBuffers;
10      int _numberOfBuffers;
11      int _rowsPerBuffer;
12      GLuint *_bufferObjects;
13      void **_readPixels;
14      void **_staticPixels;
15  
16      O2Surface *_surface;
17  }
18  
19  - initWithSize: (O2Size) size;
20  
21  - (void) setFrameSize: (O2Size) value;
22  - (void) setOpaque: (BOOL) value;
23  
24  - (void) readBuffer;
25  
26  - (O2Surface *) validSurface;
27  
28  @end