////  The contents of this file are subject to the Mozilla Public License//  Version 1.0 (the "License"); you may not use this file except in//  compliance with the License. You may obtain a copy of the License at//  http://www.mozilla.org/MPL/// //  Software distributed under the License is distributed on an "AS IS"//  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See//  the License for the specific language governing rights and limitations//  under the License.// //  The Original Code is CPhone, a cross platform voip gui.////  The Initial Developer of the Original Code is Derek Smithies.////  Copyright (C) 2002 Indranet Technologies Ltd, //                                  http://www.indranet-technologies.com//  All Rights Reserved.////  Contributor(s): _______________/* * *  $Log: vdisplay.h,v $ *  Revision 1.3  2003/05/09 03:08:24  dereksmithies *  Fix Microtelco handling, and message display * *  Revision 1.2  2003/04/04 04:37:49  dereksmithies *  Major upgrade. *  Ixj & microtelco support added. Fix threading issues. * *  Revision 1.1.1.1  2002/05/12 22:55:03  dereksmithies *  Initial release. * * * * */#ifndef VDISPLAY_H#define VDISPLAY_H#include <ptlib.h>#include <ptlib/vconvert.h>#ifndef QT_H#include "qwidget.h"#endif#include <qframe.h>#include <qimage.h>#include <qthread.h>#include <qlabel.h>#define SWAP_BLANK    1#define SWAP_BUFFER   2#define SWAP_INCOMING 3//This class takes YUV420P data, scales and displays it. class VideoDisplay : public QFrame   //VideoDisplay class{ public:  VideoDisplay( QWidget *parent=0, const char *name=0, WFlags f=0);  ~VideoDisplay();  void drawContents(QPainter *p);  void SetDisplayBuffer(const void *videoFrame, unsigned _width, unsigned _height, BOOL doFlip);  void RemoveVideoImage();  void InitiateRepaint(BOOL doErase); private:  void CreateColourConverter();    void ResizeImage(uchar *dest_data,   unsigned    dest_width,    unsigned  dest_height,		   uchar *source_data, unsigned    source_width,  unsigned  source_height);    void SwapImages(int swapNeeded);    int   width;  int   height;    PColourConverter *converter;  PMutex bufferMutex;  QImage *blankImage;  QImage *incomingImage;  QImage *displayImage;  QImage *bufferImage;  QImage *scaledImage;  BOOL   displayFlipped;  BOOL   newImageData;};//This class is provided so any thread can safely send text to this label,//and have it displayed without thread violations.class LabelDisplay : public QLabel{ public:  LabelDisplay(QWidget *parent=0, const char *name=0, WFlags f=0);  void customEvent(QCustomEvent *e);  void prepareDisplayText(QString s); private:  QString displayText;  PMutex  displayMutex;};//This class is used to generate a RGB32 image of size (X,Y) with//text displayed on it.class Rgb32Image : public QObject{  Q_OBJECT     public:  Rgb32Image(int x, int y, QString newMessage);  ~Rgb32Image();    QString  GetTextMessage() const { return textMessage; }  unsigned Width()  const { return frameWidth ; }  unsigned Height() const { return frameHeight; }  void     RestrictAccess() { access.lock(); }  void     EnableAccess() { access.unlock(); }  BYTE *   GetDataPointer() const;  void     CopyData(u_char *dest);     bool  event(QEvent *e);  void MakeImage(); private:  unsigned frameWidth, frameHeight;  QImage *image;  QString textMessage;  QMutex access;};       #endif // VDISPLAY_H