From ccddec68116fc6403858ebfa13d4a7b1aa3d5278 Mon Sep 17 00:00:00 2001
From: "N.N." <matju@users.sourceforge.net>
Date: Sun, 18 Oct 2009 20:01:19 +0000
Subject: hi gridflow 0.9.5

svn path=/trunk/; revision=12611
---
 externals/gridflow/bundled/Base/GemBase.h | 133 ++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 externals/gridflow/bundled/Base/GemBase.h

(limited to 'externals/gridflow/bundled/Base/GemBase.h')

diff --git a/externals/gridflow/bundled/Base/GemBase.h b/externals/gridflow/bundled/Base/GemBase.h
new file mode 100644
index 00000000..a5ae3d1e
--- /dev/null
+++ b/externals/gridflow/bundled/Base/GemBase.h
@@ -0,0 +1,133 @@
+/*-----------------------------------------------------------------
+  LOG
+  GEM - Graphics Environment for Multimedia
+
+  The base class for all of the gem objects
+
+  Copyright (c) 1997-1999 Mark Danks. mark@danks.org
+  Copyright (c) Günther Geiger.
+  Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM
+  For information on usage and redistribution, and for a DISCLAIMER OF ALL
+  WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+	
+  -----------------------------------------------------------------*/
+
+#ifndef INCLUDE_GEMBASE_H_
+#define INCLUDE_GEMBASE_H_
+
+#include "Base/GemGL.h"
+
+#include "Base/CPPExtern.h"
+#include "Base/GemState.h"
+
+class GemCache;
+
+/*-----------------------------------------------------------------
+  -------------------------------------------------------------------
+  CLASS
+  GemBase
+    
+  Base class for gem objects
+
+  DESCRIPTION
+    
+  -----------------------------------------------------------------*/
+class GEM_EXTERN GemBase : public CPPExtern
+{
+ protected:
+    	
+  //////////
+  // Constructor
+  GemBase();
+    	
+  //////////
+  // Destructor
+  virtual     	~GemBase();
+
+  //////////
+  virtual void 	render(GemState *state) = 0;
+
+  //////////
+  void    continueRender(GemState *state);
+
+  //////////
+  // After objects below you in the chain have finished.
+  // You should reset all GEM/OpenGL states here.
+  virtual void 	postrender(GemState *)              { ; }
+
+  //////////
+  // Called when rendering stops
+
+#if 1/*(jmz) this seems to be for gem2pdp*/
+  virtual void 	stoprender()			{ realStopRendering(); }
+#endif
+
+  //////////
+  // If you care about the start of rendering
+  virtual void	startRendering()                    { ; }
+
+  //////////
+  // If you care about the stop of rendering
+  virtual void	stopRendering()    	                { ; }
+
+
+  //////////
+  // has rendering started ?
+  bool            gem_amRendering;
+    	
+  //////////
+  // If anything in the object has changed
+  virtual void  	setModified();
+
+  //////////
+  // Don't mess with this unless you know what you are doing.
+  GemCache    	*m_cache;
+  //////////
+  // check whether this object has changed
+  bool             m_modified;
+
+  //////////
+  // The outlet
+  t_outlet    	*m_out1;
+
+
+  //////////
+  // this gets called in the before the startRendering() routine
+  // if it returns TRUE, the object's startRendering(), render() and stopRendering() functions will be called
+  // it it returns FALSE, the object will be disabled 
+  // when rendering is restarted, this function get's called again
+  // the default is to enable rendering
+  // this function is important if you want to disable an object because it cannot be used (e.g. missing driver support)
+  virtual bool isRunnable(void);
+
+  //////////
+  // creation callback
+  static void 	real_obj_setupCallback(t_class *classPtr)
+    { CPPExtern::real_obj_setupCallback(classPtr); GemBase::obj_setupCallback(classPtr); }
+
+    	
+ private:
+    
+  void	    	realStopRendering();
+  void            gem_startstopMess(int state);
+  void            gem_renderMess(GemCache* state, GemState* state2);
+  	    	
+  static inline GemBase *GetMyClass(void *data) {return((GemBase *)((Obj_header *)data)->data);}
+
+  friend class    gemhead;
+  static void 	obj_setupCallback(t_class *classPtr);
+  static void 	gem_MessCallback(void *, t_symbol *,int, t_atom*);
+  static void 	renderCallback(GemBase *data, GemState *state);
+  static void 	postrenderCallback(GemBase *data, GemState *state);
+#if 1 /*jmz this seems to be for gem2pdp*/
+  static void	stoprenderCallback(GemBase *data);	//DH
+#endif
+
+  /* whether the object is internally disabled or not 
+   * objects are to be disabled, if the system cannot make use of them, e.g. because of unsupported openGL features
+   */
+  bool  m_enabled;
+
+};
+
+#endif	// for header file
-- 
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