xaosdirectscreen.h

另一个分形程序

// The Window 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 XAOSDIRECTSCREEN_H
#define XAOSDIRECTSCREEN_H

#include <View.h>
#include <WindowScreen.h>
#include "XaoSEvent.h"
#include "XaoSAbstractWindow.h"

typedef long (*blit_hook) (long, long, long, long, long, long);
typedef long (*sync_hook) ();
class XaoSDirectScreen:public BWindowScreen, XaoSAbstractWindow
{
public:
  typedef BDirectWindow inherited;

  // Constructor, destructor.
    XaoSDirectScreen (port_id port, BView * v, status_t * error);
    virtual ~ XaoSDirectScreen (void);

  // Hook functions.
  virtual bool QuitRequested (void);

  // Allow quit requests to succeed.
  virtual void AllowQuit (void);

  virtual void KeyDown (const char *pBytes, int32 numBytes);
  virtual void KeyUp (const char *pBytes, int32 numBytes);
  virtual void MessageReceived (BMessage * pMessage);
  virtual void ScreenConnected (bool connected);
  void Blit (char *t, int width, int height, int bpp);
  void DoBlit (void);
  void DoMouse (void);
  void SetColor (rgb_color * c, int start = 0, int last = 255);

  char *fBits;
  int32 fRowBytes;
  int32 fBytesPerPixel;
  int32 fxstart, fystart;
  int32 fWidth, fHeight;
  char rgba_order[4];
  color_space fFormat;
  bool fDirty;			// needs refresh? 
  bool fConnected;
  bool fConnectionDisabled;
  BLocker *locker;
  void UpdateParams (void);
  void SetMode (int x, int y, int depth);
  void SetPointer (const char *pointer);
  void SetMouse (int x, int y);
private:
    XaoSDirectScreen (const XaoSDirectScreen & orig);
    XaoSDirectScreen & operator = (const XaoSDirectScreen & orig);
  const char *mousepointer;
  char *storeddata;
  int mouseX, mouseY;
  int oldMouseX, oldMouseY;
  BView *child;
  blit_hook blit;
  sync_hook sync;
  int mode;
  rgb_color colormap[256];

  int width, height, bpp;
  char *data;
};

#endif // XAOSWINDOW_H