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tinySDLGraphicsWindow.h
00001 // Filename: tinySDLGraphicsWindow.h
00002 // Created by:  drose (24Apr08)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef TINYSDLGRAPHICSWINDOW_H
00016 #define TINYSDLGRAPHICSWINDOW_H
00017 
00018 #include "pandabase.h"
00019 
00020 #ifdef HAVE_SDL
00021 
00022 #include "tinySDLGraphicsPipe.h"
00023 #include "graphicsWindow.h"
00024 #include "buttonHandle.h"
00025 #include "SDL.h"
00026 #include "zbuffer.h"
00027 
00028 ////////////////////////////////////////////////////////////////////
00029 //       Class : TinySDLGraphicsWindow
00030 // Description : This graphics window class is implemented via SDL.
00031 ////////////////////////////////////////////////////////////////////
00032 class EXPCL_TINYDISPLAY TinySDLGraphicsWindow : public GraphicsWindow {
00033 public:
00034   TinySDLGraphicsWindow(GraphicsEngine *engine, GraphicsPipe *pipe, 
00035                         const string &name,
00036                         const FrameBufferProperties &fb_prop,
00037                         const WindowProperties &win_prop,
00038                         int flags,
00039                         GraphicsStateGuardian *gsg,
00040                         GraphicsOutput *host);
00041   virtual ~TinySDLGraphicsWindow();
00042 
00043   virtual bool begin_frame(FrameMode mode, Thread *current_thread);
00044   virtual void end_frame(FrameMode mode, Thread *current_thread);
00045   virtual void end_flip();
00046 
00047   virtual void process_events();
00048   virtual void set_properties_now(WindowProperties &properties);
00049 
00050   virtual bool supports_pixel_zoom() const;
00051 
00052 protected:
00053   virtual void close_window();
00054   virtual bool open_window();
00055 
00056 private:
00057   void create_frame_buffer();
00058   static ButtonHandle get_keyboard_button(SDLKey sym);
00059   static ButtonHandle get_mouse_button(Uint8 button);
00060 
00061 private:
00062   SDL_Surface *_screen;
00063   ZBuffer *_frame_buffer;
00064   unsigned int _flags;
00065   unsigned int _pitch;
00066 
00067 public:
00068   static TypeHandle get_class_type() {
00069     return _type_handle;
00070   }
00071   static void init_type() {
00072     GraphicsWindow::init_type();
00073     register_type(_type_handle, "TinySDLGraphicsWindow",
00074                   GraphicsWindow::get_class_type());
00075   }
00076   virtual TypeHandle get_type() const {
00077     return get_class_type();
00078   }
00079   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00080 
00081 private:
00082   static TypeHandle _type_handle;
00083 };
00084 
00085 #include "tinySDLGraphicsWindow.I"
00086 
00087 #endif  // HAVE_SDL
00088 
00089 #endif
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