xaosdirectview.h

另一个分形程序

// The View class for XaoS on BeOS.
// Copyright © 1997  Jens Kilian ([e-mail])
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef XAOSDIRECTVIEW_H
#define XAOSDIRECTVIEW_H

#include <Bitmap.h>
#include <Font.h>
#include <OS.h>
#include <Point.h>
#include <Rect.h>
#include <SupportDefs.h>
#include <View.h>
#include "XaoSView.h"

#include "XaoSEvent.h"

class XaoSDirectView:public XaoSView
{
public:
  typedef XaoSView inherited;

  // Constructor, destructor.
    XaoSDirectView (BRect r, port_id p);
  void SetBuffer (char *buffer, int w, int h);
    virtual ~ XaoSDirectView (void);

  // Create thread and call next function
  virtual void Draw (BRect updateRect);
  // Draw that can be called only from non-main thread to avoid deadlocks
  void DoDraw (void);
private:
  char *buffer;
  int bufferwidth, bufferheight;
  thread_id fDrawThreadID;
  BRect Rect;
};

// Inline functions.
inline void
XaoSDirectView::SetBuffer (char *b, int w, int h)
{
  buffer = b;
  bufferwidth = w;
  bufferheight = h;
}


#endif // XAOSVIEW_H